/* ==========================================================================
   BEKA — DESIGN SYSTEM
   --------------------------------------------------------------------------
   01  Tokens
   02  Reset
   03  Typography
   04  Layout primitives
   05  Buttons & links
   06  Header / navigation
   07  Footer
   08  Cards & lists
   09  Section modules (hero, bridge, compare, flow, steps, models...)
   10  Forms, calculator, accordion
   11  Editorial / prose
   12  Motion & accessibility
   ========================================================================== */

/* ---------------------------------------------------------------- 01 Tokens */
:root {
  color-scheme: light;

  /* Colour */
  --ink:            #0B1412;
  --ink-2:          #142220;
  --ink-3:          #1E302C;
  --paper:          #FBFAF7;
  --paper-2:        #F3F1EB;
  --paper-3:        #EAE7DE;
  --brand:          #0F4C43;
  --brand-deep:     #0A332D;
  --brand-bright:   #1B6E60;
  --brand-soft:     #E2EDE9;
  --accent:         #B9663A;
  /* Kucuk punto accent METIN icin koyulastirilmis varyant (WCAG AA >= 4.5). */
  --accent-ink:     #9C4F27;
  /* Koyu zeminde accent metin. */
  --accent-on-dark: #D08A5E;
  --accent-soft:    #F4E5DA;
  --muted:          #4F5B57;
  --muted-2:        #606E69;
  --line:           rgba(11, 20, 18, 0.13);
  --line-strong:    rgba(11, 20, 18, 0.22);
  --line-dark:      rgba(251, 250, 247, 0.16);
  --line-dark-soft: rgba(251, 250, 247, 0.09);
  --white:          #ffffff;
  --danger:         #A4342B;
  --success:        #1F6B4F;

  /* Type */
  /* next/font (derleme aninda self-host edilir) -> --font-inter / --font-newsreader.
     Degiskenler tanimli degilse (statik onizleme veya cevrimdisi derleme)
     asagidaki sistem yedekleri devreye girer; site bozulmaz. */
  --font-sans: var(--font-inter, "Inter"), ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: var(--font-newsreader, "Newsreader"), "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;

  --fs-hero:    clamp(2.65rem, 1.3rem + 5.2vw, 5.1rem);
  --fs-h1:      clamp(2.25rem, 1.3rem + 3.6vw, 3.9rem);
  --fs-h2:      clamp(1.85rem, 1.2rem + 2.4vw, 2.95rem);
  --fs-h3:      clamp(1.28rem, 1.05rem + 0.9vw, 1.7rem);
  --fs-h4:      clamp(1.06rem, 0.98rem + 0.4vw, 1.24rem);
  --fs-lead:    clamp(1.08rem, 1rem + 0.55vw, 1.38rem);
  --fs-body:    1.0625rem;
  --fs-sm:      0.9375rem;
  --fs-xs:      0.8125rem;
  --fs-eyebrow: 0.6875rem;

  /* Space */
  --gutter: clamp(20px, 5vw, 56px);
  --container: 1280px;
  --container-narrow: 860px;
  --section-y: clamp(4.5rem, 9vw, 8.75rem);
  --section-y-sm: clamp(3rem, 6vw, 5.5rem);

  /* Other */
  --radius: 2px;
  --radius-lg: 4px;
  --shadow-sm: 0 1px 2px rgba(11, 20, 18, 0.04), 0 8px 24px -18px rgba(11, 20, 18, 0.3);
  --shadow-md: 0 24px 60px -32px rgba(11, 20, 18, 0.35);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ----------------------------------------------------------------- 02 Reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  font-feature-settings: "cv05" 1, "ss01" 1, "tnum" 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }
::selection { background: var(--brand); color: var(--paper); }

/* ------------------------------------------------------------ 03 Typography */
.display,
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: -0.021em;
  line-height: 1.08;
  text-wrap: balance;
}
h4, h5, h6 { font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.01em; line-height: 1.3; }

.t-hero  { font-size: var(--fs-hero); line-height: 1.02; letter-spacing: -0.03em; }
.t-h1    { font-size: var(--fs-h1); }
.t-h2    { font-size: var(--fs-h2); }
.t-h3    { font-size: var(--fs-h3); line-height: 1.18; }
.t-h4    { font-size: var(--fs-h4); font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.012em; line-height: 1.35; }
.t-lead  { font-size: var(--fs-lead); line-height: 1.55; color: var(--muted); font-weight: 400; text-wrap: pretty; }
.t-body  { font-size: var(--fs-body); }
.t-sm    { font-size: var(--fs-sm); }
.t-xs    { font-size: var(--fs-xs); }
.t-mono-num { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }

.italic-serif { font-family: var(--font-display); font-style: italic; font-weight: 400; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-size: var(--fs-eyebrow);
  font-weight: 600;
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--brand);
  font-family: var(--font-sans);
}
.eyebrow::before {
  content: "";
  width: 1.85rem;
  height: 1px;
  background: currentColor;
  opacity: 0.55;
  flex: none;
}
.eyebrow--plain::before { display: none; }
.eyebrow--accent { color: var(--accent); }
.on-dark .eyebrow { color: #9FC8BE; }

.text-muted { color: var(--muted); }
.text-brand { color: var(--brand); }
.text-accent { color: var(--accent); }
.balance { text-wrap: balance; }
.pretty { text-wrap: pretty; }

/* Accent underline used on key phrases */
.mark {
  background-image: linear-gradient(transparent 62%, var(--accent-soft) 62%);
  padding-inline: 0.06em;
}
.on-dark .mark { background-image: linear-gradient(transparent 62%, rgba(185, 102, 58, 0.45) 62%); }

/* ------------------------------------------------------- 04 Layout primitives */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: 1440px; }

.section { padding-block: var(--section-y); position: relative; }
.section--sm { padding-block: var(--section-y-sm); }
.section--flush-top { padding-top: 0; }
.section--alt { background: var(--paper-2); }
.section--dark { background: var(--ink); color: var(--paper); }
.section--brand { background: var(--brand-deep); color: var(--paper); }
.section--line-top { border-top: 1px solid var(--line); }

.on-dark { color: var(--paper); }
.on-dark .t-lead { color: rgba(251, 250, 247, 0.68); }
.on-dark .text-muted { color: rgba(251, 250, 247, 0.62); }
.section--dark hr, .section--brand hr { border-color: var(--line-dark); }

.stack > * + * { margin-top: var(--stack-gap, 1rem); }
.stack-sm { --stack-gap: 0.5rem; }
.stack-lg { --stack-gap: 1.75rem; }

.grid { display: grid; gap: clamp(1.5rem, 3vw, 2.75rem); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-sidebar { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid-editorial { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-sidebar, .grid-editorial { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 680px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

.section-head { display: grid; gap: 1.25rem; max-width: 62ch; }
.section-head--wide { max-width: 78ch; }
.section-head--split {
  display: grid;
  grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: end;
  max-width: none;
}
@media (max-width: 900px) { .section-head--split { grid-template-columns: 1fr; align-items: start; } }

.rule { height: 1px; background: var(--line); }
.on-dark .rule { background: var(--line-dark); }

.hide { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: 1rem; z-index: 200;
  transform: translateY(-140px);
  background: var(--ink); color: var(--paper); padding: 0.75rem 1.1rem;
  border-radius: var(--radius); font-size: var(--fs-sm); font-weight: 600;
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: none; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --------------------------------------------------------- 05 Buttons/links */
.btn {
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
  --btn-bd: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  padding: 0.95em 1.5em;
  background: var(--btn-bg);
  color: var(--btn-fg);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  font-weight: 550;
  letter-spacing: -0.005em;
  line-height: 1;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0) scale(0.985); transition-duration: 0.08s; }
.btn .btn__arrow { transition: transform 0.28s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }
.btn:active .btn__arrow { transform: translateX(1px); }

.btn--primary { --btn-bg: var(--brand); --btn-bd: var(--brand); --btn-fg: #fff; }
.btn--primary:hover { --btn-bg: var(--brand-deep); --btn-bd: var(--brand-deep); }

.btn--dark:hover { --btn-bg: var(--ink-3); --btn-bd: var(--ink-3); }

.btn--outline { --btn-bg: transparent; --btn-fg: var(--ink); --btn-bd: var(--line-strong); }
.btn--outline:hover { --btn-bd: var(--ink); --btn-bg: rgba(11,20,18,0.03); }

.btn--light { --btn-bg: var(--paper); --btn-fg: var(--ink); --btn-bd: var(--paper); }
.btn--light:hover { --btn-bg: #fff; --btn-bd: #fff; }

.btn--ghost-light { --btn-bg: transparent; --btn-fg: var(--paper); --btn-bd: var(--line-dark); }
.btn--ghost-light:hover { --btn-bd: rgba(251,250,247,0.5); --btn-bg: rgba(251,250,247,0.06); }

.btn--sm { padding: 0.7em 1.1em; font-size: var(--fs-xs); }
.btn--lg { padding: 1.05em 1.8em; font-size: var(--fs-body); }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: var(--fs-sm);
  font-weight: 550;
  color: var(--brand);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.link-arrow svg { flex: none; transition: transform 0.28s var(--ease); }
.link-arrow:hover { border-bottom-color: currentColor; }
.link-arrow:hover svg { transform: translateX(3px); }
.on-dark .link-arrow { color: #A8D0C6; }

.link-underline {
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.link-underline:hover { border-bottom-color: var(--accent); color: var(--accent); }

/* ------------------------------------------------------------- 06 Header/nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.site-header:not(.site-header--over).is-stuck { box-shadow: 0 1px 0 var(--line), 0 12px 32px -24px rgba(11,20,18,0.35); }
.site-header--over {
  position: fixed;
  inset-inline: 0;
  background: transparent;
  border-bottom-color: transparent;
  color: var(--paper);
}
.site-header--over.is-stuck {
  background: rgba(11, 20, 18, 0.92);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line-dark-soft);
}
.site-header.is-open { background: var(--paper); color: var(--ink); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 76px;
}
@media (min-width: 1100px) { .header-inner { height: 84px; } }

/* Brand */
.brand { display: inline-flex; align-items: center; gap: 0.7rem; flex: none; }
/* Monogram (PNG, 738:360 ≈ 2.05:1). Yukseklik CSS'te; width:auto oran korur, asla sikistirilmaz.
   Koyu zeminde yalnizca renk cevrilir (invert) — geometri degismez. */
.brand__mark { height: 34px; width: auto; flex: none; display: block; object-fit: contain; }
@media (min-width: 1100px) { .brand__mark { height: 38px; } }
.site-header--over .brand__mark,
.site-footer .brand__mark { filter: invert(1) brightness(0.985); }
.site-header.is-open .brand__mark { filter: none; }
.brand__text { display: grid; line-height: 1; }
.brand__name {
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: 0.005em;
  font-weight: 500;
}
.brand__sub {
  font-size: 0.5625rem;
  letter-spacing: 0.21em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
  font-weight: 550;
}
.site-header--over .brand__sub { color: rgba(251, 250, 247, 0.6); }
/* <=360px: alt yazi harf araligi/daraltma — isaret, dizilim ve metin ayni kalir */
/* Telefon: monogram + iki satirlik yazi + EN + burger ayni satira sigmali. */
@media (max-width: 480px) {
  .brand { gap: 0.5rem; }
  .brand__mark { height: 30px; }
  .brand__name { font-size: 1.08rem; }
  .brand__sub { letter-spacing: 0.1em; font-size: 0.5rem; }
  .header-actions { gap: 0.5rem; }
  .header-inner { gap: 0.75rem; }
}
@media (max-width: 360px) {
  .brand { gap: 0.4rem; }
  .brand__mark { height: 24px; }
  .brand__name { font-size: 1rem; }
  .brand__sub { letter-spacing: 0.02em; margin-top: 3px; }
  .header-actions { gap: 0.3rem; }
  .header-inner { gap: 0.4rem; padding-inline: 12px; }
}
.site-header.is-open .brand__sub { color: var(--muted); }

/* Desktop nav */
.nav { display: none; }
@media (min-width: 1100px) { .nav { display: flex; align-items: center; gap: 0.25rem; } }

.nav__item { position: relative; }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
  border-radius: var(--radius);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}
/* Alt cizgi soldan saga acilir; aktif sayfada sabit kalir. */
.nav__link::after {
  content: "";
  position: absolute;
  left: 0.8rem; right: 0.8rem; bottom: 0.3rem;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.32s var(--ease);
  opacity: 0.85;
}
.nav__link:hover::after, .nav__item.is-open .nav__link::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link:hover, .nav__item.is-open .nav__link { color: var(--brand); }
.site-header--over .nav__link:hover, .site-header--over .nav__item.is-open .nav__link { color: #A8D0C6; }
.nav__link[aria-current="page"] { color: var(--brand); }
.site-header--over .nav__link[aria-current="page"] { color: #A8D0C6; }
.nav__chev { width: 9px; height: 9px; opacity: 0.5; transition: transform 0.25s var(--ease); }
.nav__item.is-open .nav__chev { transform: rotate(180deg); }

/* Mega panel */
.mega {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translate(-50%, 6px);
  width: min(920px, 88vw);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 2rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 250px;
  gap: 2rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease), visibility 0.22s;
}
.mega--sm { grid-template-columns: minmax(0, 1fr); width: min(420px, 88vw); left: auto; right: 0; transform: translate(0, 6px); }
.nav__item.is-open .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.nav__item.is-open .mega--sm { transform: translate(0, 0); }

.mega__title {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.17em;
  text-transform: uppercase;
  color: var(--muted-2);
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}
.mega__link { display: block; padding: 0.6rem 0; border-bottom: 1px solid transparent; }
.mega__link-label { font-size: 0.9375rem; font-weight: 550; letter-spacing: -0.008em; display: flex; align-items: center; gap: 0.4rem; }
.mega__link-desc { font-size: var(--fs-xs); color: var(--muted); line-height: 1.5; margin-top: 3px; }
.mega__link:hover .mega__link-label { color: var(--brand); }
.mega__link:hover .mega__link-label::after { content: "→"; font-size: 0.8em; }

.mega__feature {
  background: var(--brand-deep);
  color: var(--paper);
  padding: 1.5rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
}
.mega__feature h4 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 400; }
.mega__feature p { font-size: var(--fs-xs); color: rgba(251, 250, 247, 0.7); line-height: 1.6; }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.header-actions .btn { display: none; }
@media (min-width: 760px) { .header-actions .btn { display: inline-flex; } }
.site-header--over .btn--outline { --btn-fg: var(--paper); --btn-bd: var(--line-dark); }
.site-header--over .btn--outline:hover { --btn-bd: rgba(251,250,247,0.55); --btn-bg: rgba(251,250,247,0.08); }
.site-header.is-open .btn--outline { --btn-fg: var(--ink); --btn-bd: var(--line-strong); }

/* Burger */
.burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 0 10px;
  background: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  cursor: pointer;
}
@media (min-width: 1100px) { .burger { display: none; } }
.burger span { display: block; height: 1.5px; width: 100%; background: currentColor; transition: transform 0.3s var(--ease), opacity 0.2s var(--ease); }
.site-header--over .burger { border-color: var(--line-dark); }
.site-header.is-open .burger { border-color: var(--line-strong); }
.site-header.is-open .burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.site-header.is-open .burger span:nth-child(2) { opacity: 0; }
.site-header.is-open .burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed;
  inset: 76px 0 0;
  background: var(--paper);
  color: var(--ink);
  z-index: 99;
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease), visibility 0.28s;
  -webkit-overflow-scrolling: touch;
}
.drawer.is-open { opacity: 1; visibility: visible; transform: none; }
@media (min-width: 1100px) { .drawer { display: none; } }
.drawer__inner { padding: 1.5rem var(--gutter) 4rem; }
.drawer__group + .drawer__group { border-top: 1px solid var(--line); }
.drawer__toggle,
.drawer__link {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  letter-spacing: -0.018em;
  cursor: pointer;
}
.drawer__plus { width: 14px; height: 14px; flex: none; color: var(--muted); transition: transform 0.25s var(--ease); }
.drawer__group.is-open .drawer__plus { transform: rotate(45deg); }
.drawer__panel { display: none; padding-bottom: 1.25rem; }
.drawer__group.is-open .drawer__panel { display: block; }
.drawer__sublink {
  display: block;
  padding: 0.6rem 0 0.6rem 1rem;
  border-left: 1px solid var(--line);
  font-size: 0.95rem;
  color: var(--muted);
}
.drawer__sublink:hover { color: var(--brand); border-left-color: var(--brand); }
.drawer__cta { margin-top: 2rem; display: grid; gap: 0.75rem; }
.drawer__meta { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); display: grid; gap: 0.5rem; font-size: var(--fs-sm); color: var(--muted); }
body.no-scroll { overflow: hidden; }

/* WhatsApp floating */
.wa-float {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 90;
  width: 52px; height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  box-shadow: 0 12px 30px -10px rgba(15, 76, 67, 0.6);
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
}
.wa-float:hover { transform: translateY(-3px) scale(1.04); background: var(--brand-deep); }
.wa-float svg { width: 25px; height: 25px; }

/* ---------------------------------------------------------------- 07 Footer */
.site-footer { background: var(--ink); color: var(--paper); padding-block: clamp(3.5rem, 7vw, 6rem) 2rem; }
.footer-top { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 4.5rem); }
@media (max-width: 960px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand__desc { color: rgba(251, 250, 247, 0.62); font-size: var(--fs-sm); max-width: 34ch; margin-top: 1.25rem; line-height: 1.7; }
.footer-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; }
@media (max-width: 760px) { .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 460px) { .footer-nav { grid-template-columns: 1fr; } }
.footer-nav__title {
  font-size: var(--fs-eyebrow); letter-spacing: 0.17em; text-transform: uppercase;
  color: rgba(251, 250, 247, 0.45); font-weight: 600; margin-bottom: 1.1rem;
}
.footer-nav__link { display: block; padding: 0.32rem 0; font-size: var(--fs-sm); color: rgba(251, 250, 247, 0.78); }
@media (pointer: coarse) { .footer-nav__link { padding: 0.6rem 0; } .footer-legal a { padding: 0.5rem 0; display: inline-block; } }
.footer-nav__link:hover { color: var(--paper); }
.footer-contact { display: grid; gap: 0.9rem; margin-top: 1.75rem; font-size: var(--fs-sm); }
.footer-contact a { color: rgba(251, 250, 247, 0.85); }
.footer-contact a:hover { color: #fff; }
.footer-contact__row { display: flex; gap: 0.75rem; align-items: flex-start; }
.footer-contact__row svg { width: 15px; height: 15px; flex: none; margin-top: 5px; opacity: 0.5; }
.footer-bottom {
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--line-dark-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-xs);
  color: rgba(251, 250, 247, 0.5);
}
.footer-bottom a:hover { color: var(--paper); }
.footer-legal { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.footer-disclaimer {
  margin-top: 1.5rem;
  font-size: var(--fs-xs);
  line-height: 1.65;
  color: rgba(251, 250, 247, 0.38);
  max-width: 88ch;
}

/* ------------------------------------------------------- 08 Cards and lists */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.6vw, 2.15rem);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}
.card--link:hover { border-color: var(--line-strong); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.card .card__index { transition: color 0.28s var(--ease); }
.card--link:hover .card__index { color: var(--accent-ink); }
.card .card__foot.link-arrow { align-self: flex-start; }
.card--link:hover .card__foot.link-arrow { border-bottom-color: currentColor; }
.card--link:hover .card__foot.link-arrow svg { transform: translateX(3px); }
.card--link:hover .card__title { color: var(--brand); }
.card .card__title { transition: color 0.28s var(--ease); }
.card--flat { background: transparent; border: 0; padding: 0; }
.card--dark { background: var(--ink-2); border-color: var(--line-dark-soft); color: var(--paper); }
.card--dark:hover { border-color: var(--line-dark); }
.card--brand { background: var(--brand-deep); border-color: transparent; color: var(--paper); }
.card__index {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}
.card__title { font-size: var(--fs-h4); font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.012em; line-height: 1.35; }
.card__body { font-size: var(--fs-sm); color: var(--muted); line-height: 1.65; }
.card--dark .card__body, .card--brand .card__body { color: rgba(251, 250, 247, 0.66); }
.card__foot { margin-top: auto; padding-top: 0.5rem; }

/* Bordered grid: hairline cells, consulting style */
.cell-grid {
  display: grid;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.cell-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cell-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cell-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1000px) { .cell-grid--4, .cell-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .cell-grid { grid-template-columns: minmax(0, 1fr) !important; } }
.cell {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: clamp(1.5rem, 2.8vw, 2.4rem);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: background-color 0.3s var(--ease);
}
/* Hucre kartlari bitisik kenarlikli oldugu icin yukselmez; zemin + ic elemanlar tepki verir. */
.cell--link { position: relative; }
.cell--link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s var(--ease);
}
.cell--link:hover { background: var(--white); }
.cell--link:hover::after { transform: scaleX(1); }
.cell--link .card__title, .cell--link .card__index, .cell--link .insight-card__title { transition: color 0.28s var(--ease), transform 0.35s var(--ease); }
.cell--link:hover .card__title { color: var(--brand); transform: translateX(2px); }
.cell--link:hover .card__index { color: var(--accent-ink); }
.cell--link .link-arrow { align-self: flex-start; }
.cell--link:hover .link-arrow { border-bottom-color: currentColor; }
.cell--link:hover .link-arrow svg { transform: translateX(3px); }
.on-dark .cell-grid, .on-dark .cell { border-color: var(--line-dark-soft); }
.on-dark .cell--link:hover { background: rgba(251, 250, 247, 0.035); }
.on-dark .cell--link::after { background: var(--accent-on-dark); }

/* Tick list */
.ticks { display: grid; gap: 0.7rem; }
.ticks li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: var(--fs-sm); line-height: 1.6; }
.ticks li::before {
  content: "";
  flex: none;
  width: 7px; height: 7px;
  margin-top: 8px;
  border: 1px solid var(--brand);
  background: var(--brand-soft);
  transform: rotate(45deg);
}
.on-dark .ticks li::before { border-color: #79ADA1; background: rgba(121, 173, 161, 0.25); }
.ticks--accent li::before { border-color: var(--accent); background: var(--accent-soft); }

.dash-list { display: grid; gap: 0.55rem; }
.dash-list li { display: flex; gap: 0.7rem; font-size: var(--fs-sm); color: var(--muted); line-height: 1.6; }
.dash-list li::before { content: "—"; color: var(--accent); flex: none; }

/* Stats */
.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat__label { font-size: var(--fs-sm); color: var(--muted); margin-top: 0.65rem; line-height: 1.55; }
.on-dark .stat__label { color: rgba(251, 250, 247, 0.6); }

/* Pill / tag */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.38em 0.75em;
  border: 1px solid var(--line);
  border-radius: 100px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--muted);
  background: var(--white);
}
.tag--brand { border-color: rgba(15, 76, 67, 0.25); color: var(--brand); background: var(--brand-soft); }
.tag--accent { border-color: rgba(185, 102, 58, 0.3); color: var(--accent); background: var(--accent-soft); }
.on-dark .tag { background: rgba(251,250,247,0.06); border-color: var(--line-dark-soft); color: rgba(251,250,247,0.75); }

/* ------------------------------------------------------- 09 Section modules */

/* --- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding-top: clamp(8.5rem, 15vw, 12.5rem);
  padding-bottom: clamp(4rem, 8vw, 7rem);
  isolation: isolate;
}
.hero__grid-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(to right, rgba(251,250,247,0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(251,250,247,0.045) 1px, transparent 1px);
  background-size: clamp(64px, 8vw, 108px) clamp(64px, 8vw, 108px);
  mask-image: radial-gradient(120% 90% at 20% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 20% 0%, #000 20%, transparent 78%);
}
.hero__glow {
  position: absolute;
  z-index: -1;
  width: 70vw; height: 70vw;
  max-width: 900px; max-height: 900px;
  right: -14vw; top: -22vw;
  background: radial-gradient(circle at center, rgba(27, 110, 96, 0.42), transparent 62%);
  filter: blur(10px);
  pointer-events: none;
}
.hero__inner { display: grid; grid-template-columns: minmax(0, 6.5fr) minmax(0, 5.5fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
@media (max-width: 1080px) { .hero__inner { grid-template-columns: 1fr; } }
.hero h1 { margin-top: 1.5rem; }
.hero__lead { margin-top: 1.75rem; max-width: 54ch; font-size: var(--fs-lead); line-height: 1.55; color: rgba(251, 250, 247, 0.72); }
.hero__actions { margin-top: 2.25rem; }
.hero__note { margin-top: 1.5rem; font-size: var(--fs-xs); color: rgba(251, 250, 247, 0.45); }

.hero-strip {
  border-top: 1px solid var(--line-dark-soft);
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem 2rem;
}
@media (max-width: 860px) { .hero-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.hero-strip__item { display: grid; gap: 0.35rem; }
.hero-strip__k { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -0.01em; }
.hero-strip__v { font-size: var(--fs-xs); color: rgba(251, 250, 247, 0.5); line-height: 1.5; }

/* Hero visual: operation panel */
.op-panel {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(251,250,247,0.07), rgba(251,250,247,0.015));
  backdrop-filter: blur(6px);
  padding: 1.35rem;
  display: grid;
  gap: 0.85rem;
  box-shadow: 0 40px 80px -50px rgba(0,0,0,0.9);
}
.op-panel__head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 0.9rem; border-bottom: 1px solid var(--line-dark-soft); }
.op-panel__title { font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase; color: rgba(251,250,247,0.55); font-weight: 600; }
/* Temsili akis etiketi: canlilik iddiasi tasimaz (nokta/pulse yok). */
.op-panel__tag {
  font-size: 0.6875rem;
  color: rgba(251,250,247,0.56);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}
.op-panel__rows { display: grid; gap: 0.15rem; }

/* Satirlar sayfa acilisinda sirayla belirir (yalnizca opacity/transform, CLS yok). */
.op-row {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.45rem;
  border-radius: var(--radius);
  transition: background-color 0.3s var(--ease);
  animation: op-row-in 0.55s var(--ease) both;
  animation-delay: calc(0.25s + var(--i, 0) * 0.09s);
}
@keyframes op-row-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
.op-row:hover { background: rgba(251,250,247,0.045); }
.op-row__no { font-size: 0.6875rem; color: rgba(251,250,247,0.35); font-variant-numeric: tabular-nums; }
.op-row__text { display: block; min-width: 0; transition: transform 0.3s var(--ease); }
.op-row:hover .op-row__text { transform: translateX(2px); }
.op-row__label { display: block; font-size: 0.875rem; font-weight: 500; letter-spacing: -0.006em; }
.op-row__meta { display: block; font-size: 0.6875rem; color: rgba(251,250,247,0.45); margin-top: 2px; }

/* Durum gostergeleri: check (tamamlandi) / nabiz (islemde) / bos nokta (planlandi). */
.op-row__state {
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}
.op-row__state::before {
  content: "";
  flex: none;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.op-row__state--done { color: #8FC9BB; }
.op-row__state--done::before {
  width: 4px; height: 7px;
  border-radius: 1px;
  background: none;
  border: solid currentColor;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg) translate(-1px, -1px);
  animation: op-check-in 0.5s var(--ease) both;
  animation-delay: calc(0.55s + var(--i, 0) * 0.09s);
}
@keyframes op-check-in {
  from { opacity: 0; transform: rotate(45deg) translate(-1px, -1px) scale(0.5); }
  to   { opacity: 1; transform: rotate(45deg) translate(-1px, -1px) scale(1); }
}
.op-row__state--active { color: #D39A6C; }
.op-row__state--active::before {
  box-shadow: 0 0 0 0 rgba(211,154,108,0.5);
  animation: op-pulse 3s var(--ease) infinite;
  animation-delay: calc(0.8s + var(--i, 0) * 0.4s);
}
@keyframes op-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(211,154,108,0.45); }
  60%  { box-shadow: 0 0 0 5px rgba(211,154,108,0); }
  100% { box-shadow: 0 0 0 0 rgba(211,154,108,0); }
}
.op-row__state--planned { color: rgba(251,250,247,0.55); }
.op-row__state--planned::before { background: transparent; box-shadow: inset 0 0 0 1.5px currentColor; }

.op-panel__foot { margin-top: 0.35rem; padding-top: 1rem; border-top: 1px solid var(--line-dark-soft); display: flex; align-items: center; gap: 0.9rem; }
.op-panel__team { display: flex; align-items: center; flex: none; }
.op-panel__avatar {
  width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--brand-bright); color: #04211C;
  font-size: 0.625rem; font-weight: 700; letter-spacing: 0.02em;
  border: 1.5px solid var(--ink);
}
.op-panel__avatar + .op-panel__avatar { margin-left: -8px; }
.op-panel__avatar--more { background: rgba(251,250,247,0.14); color: rgba(251,250,247,0.85); }
.op-panel__foot-text { display: grid; gap: 1px; min-width: 0; }
.op-panel__foot-label { font-size: 0.8125rem; font-weight: 550; letter-spacing: -0.005em; color: rgba(251,250,247,0.92); }
.op-panel__foot-sub { font-size: 0.6875rem; color: rgba(251,250,247,0.5); }

/* --- Page header (inner pages) ------------------------------------------- */
.page-head {
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(7.5rem, 12vw, 10.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  position: relative;
  overflow: hidden;
}
.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(251,250,247,0.04) 1px, transparent 1px);
  background-size: clamp(64px, 8vw, 108px) 100%;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 85%);
  pointer-events: none;
}
.page-head__inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 4rem); align-items: end; }
@media (max-width: 980px) { .page-head__inner { grid-template-columns: 1fr; align-items: start; } }
.page-head h1 { margin-top: 1.25rem; }
.page-head__lead { margin-top: 1.35rem; font-size: var(--fs-lead); color: rgba(251,250,247,0.7); line-height: 1.55; max-width: 56ch; }

.breadcrumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; font-size: var(--fs-xs); color: rgba(251,250,247,0.45); }
.breadcrumbs a:hover { color: var(--paper); }
.breadcrumbs__sep { opacity: 0.45; }

/* --- Bridge diagram ------------------------------------------------------ */
.bridge { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.24fr) minmax(0, 1fr); gap: 0; align-items: stretch; position: relative; }
@media (max-width: 980px) { .bridge { grid-template-columns: 1fr; gap: 0; } }

.bridge__col {
  border: 1px solid var(--line-dark-soft);
  padding: clamp(1.5rem, 2.6vw, 2.1rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: rgba(251,250,247,0.02);
}
.bridge__col--side { margin-block: clamp(1.5rem, 3vw, 2.75rem); }
.bridge__col--center {
  background: linear-gradient(165deg, rgba(27,110,96,0.35), rgba(10,51,45,0.55));
  border-color: rgba(121,173,161,0.4);
  box-shadow: 0 40px 90px -50px rgba(0,0,0,0.9);
  position: relative;
  z-index: 2;
}
.bridge__role { font-size: var(--fs-xs); letter-spacing: 0.14em; text-transform: uppercase; color: rgba(251,250,247,0.45); font-weight: 600; }
.bridge__col--center .bridge__role { color: #9FC8BE; }
.bridge__name { font-family: var(--font-display); font-size: clamp(1.35rem, 2.2vw, 1.85rem); letter-spacing: -0.02em; }
.bridge__items { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.bridge__chip {
  font-size: var(--fs-xs);
  padding: 0.4em 0.7em;
  border: 1px solid var(--line-dark-soft);
  border-radius: 100px;
  color: rgba(251,250,247,0.8);
  background: rgba(251,250,247,0.04);
}
.bridge__col--center .bridge__chip { border-color: rgba(159,200,190,0.35); background: rgba(159,200,190,0.12); color: #E4F2EE; }
.bridge__gain {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--line-dark-soft);
  font-size: var(--fs-sm);
  line-height: 1.55;
  color: rgba(251,250,247,0.72);
}
.bridge__gain strong { display: block; font-size: var(--fs-xs); letter-spacing: 0.12em; text-transform: uppercase; color: rgba(251,250,247,0.42); font-weight: 600; margin-bottom: 0.4rem; }
.bridge__connector { position: relative; }
.bridge__flow { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.bridge__flow path { fill: none; stroke: rgba(159,200,190,0.45); stroke-width: 1; stroke-dasharray: 4 5; }
.bridge__flow .dot { fill: #6FC0AC; }
.bridge-outcome {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--line-dark-soft);
  border-left: 2px solid var(--accent);
  background: rgba(251,250,247,0.03);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  line-height: 1.45;
  letter-spacing: -0.015em;
}

/* --- Comparison ---------------------------------------------------------- */
.compare { border-top: 1px solid var(--line); }
.compare__head, .compare__row {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 4.5fr) minmax(0, 4.5fr);
  gap: 0;
}
.compare__head > *, .compare__row > * { padding: clamp(1rem, 1.9vw, 1.5rem); border-bottom: 1px solid var(--line); }
.compare__head > * { border-bottom: 1px solid var(--line-strong); position: sticky; top: 76px; background: var(--paper); z-index: 2; }
.compare__head-label { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; color: var(--muted-2); }
.compare__head-title { font-size: var(--fs-sm); font-weight: 600; letter-spacing: -0.008em; display: flex; align-items: center; gap: 0.55rem; }
.compare__head-title .dotmark { width: 8px; height: 8px; flex: none; border-radius: 50%; }
.compare__dim { font-weight: 600; font-size: var(--fs-sm); letter-spacing: -0.008em; }
.compare__cell { font-size: var(--fs-sm); color: var(--muted); line-height: 1.6; }
.compare__cell--us { background: var(--brand-soft); color: var(--ink); }
.compare__row:hover .compare__cell:not(.compare__cell--us) { background: rgba(11,20,18,0.02); }
.compare__note { margin-top: 1.5rem; font-size: var(--fs-xs); color: var(--muted-2); line-height: 1.65; max-width: 92ch; }
@media (max-width: 860px) {
  .compare__head { display: none; }
  .compare__row { grid-template-columns: 1fr; border-bottom: 1px solid var(--line-strong); margin-bottom: 1.25rem; }
  .compare__row > * { border-bottom: 0; padding-inline: 0; }
  .compare__cell { position: relative; padding-left: 1rem; border-left: 2px solid var(--line); }
  .compare__cell::before {
    content: attr(data-label);
    display: block;
    font-size: var(--fs-eyebrow);
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--muted-2);
    margin-bottom: 0.4rem;
  }
  .compare__cell--us { border-left-color: var(--brand); padding: 1rem; }
}

/* --- Before / after flow ------------------------------------------------- */
.flow-compare { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.5rem, 3vw, 2.5rem); }
@media (max-width: 900px) { .flow-compare { grid-template-columns: 1fr; } }
.flow-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 2.8vw, 2.25rem);
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.flow-panel--after { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.flow-panel__label { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.flow-panel__tag { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; color: var(--muted-2); }
.flow-panel--after .flow-panel__tag { color: rgba(251,250,247,0.5); }
.flow-scatter { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; position: relative; }
@media (max-width: 480px) { .flow-scatter { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.flow-node {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.7rem 0.65rem;
  font-size: var(--fs-xs);
  line-height: 1.35;
  text-align: center;
  background: var(--paper-2);
  color: var(--muted);
  min-height: 56px;
  display: grid;
  place-items: center;
}
.flow-mess { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.flow-mess path { stroke: rgba(164, 52, 43, 0.45); stroke-width: 1; fill: none; }
.flow-chain { display: grid; gap: 0; }
.flow-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  padding: 0.85rem 0;
  position: relative;
}
.flow-step__marker { width: 30px; display: grid; place-items: center; position: relative; }
.flow-step__dot { width: 9px; height: 9px; border-radius: 50%; background: #6FC0AC; }
.flow-step:not(:last-child) .flow-step__marker::after {
  content: "";
  position: absolute;
  top: calc(50% + 9px);
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: calc(100% + 0.85rem);
  background: linear-gradient(to bottom, rgba(111,192,172,0.6), rgba(111,192,172,0.15));
}
.flow-step__label { font-size: var(--fs-sm); font-weight: 500; letter-spacing: -0.006em; }
.flow-step--hero .flow-step__label { font-family: var(--font-display); font-size: 1.2rem; font-weight: 400; letter-spacing: -0.02em; }
.flow-step--hero .flow-step__dot { width: 13px; height: 13px; background: var(--accent); }
.flow-panel__caption { font-size: var(--fs-xs); color: var(--muted); line-height: 1.6; margin-top: auto; padding-top: 0.5rem; }
.flow-panel--after .flow-panel__caption { color: rgba(251,250,247,0.55); }
.flow-count { font-family: var(--font-display); font-size: 2rem; letter-spacing: -0.03em; line-height: 1; }
.flow-count small { font-size: var(--fs-xs); font-family: var(--font-sans); color: var(--muted); letter-spacing: 0; display: block; margin-top: 0.35rem; }
.flow-panel--after .flow-count small { color: rgba(251,250,247,0.55); }

/* --- Steps / process ----------------------------------------------------- */
.steps { display: grid; gap: 0; border-top: 1px solid var(--line); }
.step {
  display: grid;
  grid-template-columns: 72px minmax(0, 4fr) minmax(0, 7fr) auto;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  padding-block: clamp(1.5rem, 2.6vw, 2.1rem);
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background-color 0.3s var(--ease);
}
.step:hover { background: rgba(11,20,18,0.02); }
.step__no { font-family: var(--font-display); font-size: 1.5rem; color: var(--accent); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.step__title { font-size: var(--fs-h4); font-weight: 600; letter-spacing: -0.012em; line-height: 1.35; }
.step__body { font-size: var(--fs-sm); color: var(--muted); line-height: 1.65; }
.step__duration { font-size: var(--fs-xs); color: var(--muted-2); white-space: nowrap; padding-top: 0.3rem; }
@media (max-width: 860px) {
  .step { grid-template-columns: 48px minmax(0, 1fr); gap: 0.75rem 1rem; }
  .step__body { grid-column: 2; }
  .step__duration { grid-column: 2; }
}
.on-dark .steps, .on-dark .step { border-color: var(--line-dark-soft); }
.on-dark .step:hover { background: rgba(251,250,247,0.03); }
.on-dark .step__body { color: rgba(251,250,247,0.62); }
.on-dark .step__duration { color: rgba(251,250,247,0.42); }

/* --- Models -------------------------------------------------------------- */
.models { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border: 1px solid var(--line); }
@media (max-width: 1100px) { .models { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .models { grid-template-columns: 1fr; } }
.model {
  padding: clamp(1.5rem, 2.6vw, 2.1rem);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background: var(--white);
  position: relative;
  transition: background-color 0.3s var(--ease);
}
/* Hover: tabanda soldan saga acilan vurgu cizgisi; kartlar yer degistirmez (bitisik kenarlik). */
.model::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s var(--ease);
}
.model:hover::after { transform: scaleX(1); }
.model:hover { background: var(--paper); }
.model--featured::after { background: var(--accent-on-dark); }
.model--featured:hover { background: var(--ink); }
.model__name { transition: transform 0.35s var(--ease); }
.model:hover .model__name { transform: translateX(2px); }
.models > .model:last-child { border-right: 0; }
@media (max-width: 1100px) {
  .model:nth-child(2n) { border-right: 0; }
  .model:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 620px) {
  .model { border-right: 0; border-bottom: 1px solid var(--line); }
  .models > .model:last-child { border-bottom: 0; }
}
.model--featured { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.model--featured .model__body, .model--featured .model__best { color: rgba(251,250,247,0.66); }
.models__note strong { color: var(--ink); font-weight: 600; }
.model__name { font-family: var(--font-display); font-size: clamp(1.45rem, 2.2vw, 1.85rem); letter-spacing: -0.025em; }
.model__tagline { font-size: var(--fs-xs); color: var(--muted-2); line-height: 1.5; margin-top: -0.5rem; }
.model--featured .model__tagline { color: rgba(251,250,247,0.55); }
.model__body { font-size: var(--fs-sm); color: var(--muted); line-height: 1.6; }
.model__best { font-size: var(--fs-xs); line-height: 1.55; color: var(--muted); padding-top: 1rem; margin-top: auto; border-top: 1px solid var(--line); }
.model--featured .model__best { border-color: var(--line-dark-soft); }
.model__flag {
  position: absolute; top: 0; right: 0;
  background: var(--accent); color: #fff;
  font-size: 0.6875rem; letter-spacing: 0.13em; text-transform: uppercase; font-weight: 600;
  padding: 0.35em 0.7em;
  max-width: 100%;
  white-space: nowrap;
}
/* Etiketin metne binmemesi icin one cikan kartta ust bosluk rezerve edilir. */
.model--featured { padding-top: calc(clamp(1.5rem, 2.6vw, 2.1rem) + 1.1rem); }

/* --- CTA band ------------------------------------------------------------ */
.cta-band { background: var(--brand-deep); color: var(--paper); position: relative; overflow: hidden; }
.cta-band::before {
  content: "";
  position: absolute;
  right: -10%; top: -60%;
  width: 60vw; height: 120%;
  background: radial-gradient(circle at center, rgba(27,110,96,0.55), transparent 62%);
  pointer-events: none;
}
.cta-band__inner { position: relative; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 4rem); align-items: center; }
@media (max-width: 900px) { .cta-band__inner { grid-template-columns: 1fr; } }
.cta-band h2 { font-size: var(--fs-h2); }
.cta-band__lead { color: rgba(251,250,247,0.72); font-size: var(--fs-lead); line-height: 1.55; margin-top: 1.15rem; max-width: 48ch; }
.cta-band__aside { display: grid; gap: 1rem; }
.cta-band__contact { display: grid; gap: 0.6rem; font-size: var(--fs-sm); color: rgba(251,250,247,0.72); padding-top: 1.25rem; border-top: 1px solid var(--line-dark-soft); }
.cta-band__contact a { color: var(--paper); }

/* ------------------------------------------- 10 Forms, calculator, accordion */
.field { display: grid; gap: 0.45rem; }
.field__label { font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.02em; color: var(--ink); }
.field__hint { font-size: var(--fs-xs); color: var(--muted-2); line-height: 1.5; }
.field__req { color: var(--accent); }
.input, .select, .textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  line-height: 1.4;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
  appearance: none;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(15, 76, 67, 0.12);
}
.textarea { min-height: 120px; resize: vertical; }
.select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5l5-5' fill='none' stroke='%235E6C68' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 11px;
  padding-right: 2.5rem;
}
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--danger); }
.field__error { font-size: var(--fs-xs); color: var(--danger); display: none; }
.field.has-error .field__error { display: block; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.1rem; }
@media (max-width: 620px) { .form-grid { grid-template-columns: 1fr; } }
.form-grid .span-2 { grid-column: 1 / -1; }
.checkbox { display: flex; gap: 0.7rem; align-items: flex-start; font-size: var(--fs-xs); color: var(--muted); line-height: 1.55; cursor: pointer; }
.checkbox input { width: 17px; height: 17px; margin-top: 2px; flex: none; accent-color: var(--brand); }
/* Dokunmatikte kutu buyur ve etiketin tamami dokunma alanidir (label sarmalar). */
@media (pointer: coarse) { .checkbox { min-height: 44px; padding-block: 0.25rem; } .checkbox input { width: 22px; height: 22px; margin-top: 0; } }
.form-status { display: none; padding: 1rem 1.15rem; border-radius: var(--radius); font-size: var(--fs-sm); line-height: 1.55; gap: 0.75rem; align-items: flex-start; }
.form-status.is-visible { display: flex; }
.form-status--success { background: rgba(31, 107, 79, 0.1); border: 1px solid rgba(31, 107, 79, 0.3); color: #17543E; }
.form-status--error { background: rgba(164, 52, 43, 0.08); border: 1px solid rgba(164, 52, 43, 0.28); color: var(--danger); }
.btn.is-loading { pointer-events: none; opacity: 0.75; }
.btn.is-loading .btn__label::after {
  content: "";
  display: inline-block;
  width: 12px; height: 12px;
  margin-left: 0.6em;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  vertical-align: -1px;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  box-shadow: var(--shadow-sm);
}

/* Calculator */
.calc { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(1.5rem, 3.5vw, 3rem); align-items: start; }
@media (max-width: 960px) { .calc { grid-template-columns: 1fr; } }
.calc__inputs { display: grid; gap: 1.15rem; }
.calc__field { display: grid; grid-template-columns: minmax(0, 1fr) 170px; gap: 1rem; align-items: center; padding-bottom: 1.05rem; border-bottom: 1px solid var(--line); }
@media (max-width: 520px) { .calc__field { grid-template-columns: 1fr; gap: 0.5rem; } }
.calc__label { font-size: var(--fs-sm); font-weight: 550; letter-spacing: -0.006em; }
.calc__sub { font-size: var(--fs-xs); color: var(--muted-2); margin-top: 2px; line-height: 1.45; }
.calc__input-wrap { position: relative; }
.calc__input-wrap .input { padding-right: 2.6rem; text-align: right; font-variant-numeric: tabular-nums; }
.calc__suffix { position: absolute; right: 0.9rem; top: 50%; transform: translateY(-50%); font-size: var(--fs-xs); color: var(--muted-2); pointer-events: none; }
.calc__result {
  position: sticky;
  top: 100px;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.calc__result-label { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: rgba(251,250,247,0.5); font-weight: 600; }
.calc__big { font-family: var(--font-display); font-size: clamp(2.25rem, 5vw, 3.25rem); line-height: 1; letter-spacing: -0.03em; margin-top: 0.75rem; font-variant-numeric: tabular-nums; }
.calc__big small { font-size: 1rem; font-family: var(--font-sans); color: rgba(251,250,247,0.5); letter-spacing: 0; margin-left: 0.4rem; }
.calc__annual { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--line-dark-soft); display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.calc__annual-label { font-size: var(--fs-sm); color: rgba(251,250,247,0.6); }
.calc__annual-value { font-family: var(--font-display); font-size: clamp(1.4rem, 2.6vw, 1.9rem); letter-spacing: -0.025em; font-variant-numeric: tabular-nums; }
.calc__breakdown { margin-top: 1.5rem; display: grid; gap: 0.5rem; }
.calc__bar-row { display: grid; gap: 0.3rem; }
.calc__bar-head { display: flex; justify-content: space-between; font-size: var(--fs-xs); color: rgba(251,250,247,0.7); }
.calc__bar { height: 5px; background: rgba(251,250,247,0.1); border-radius: 100px; overflow: hidden; }
.calc__bar span { display: block; width: 100%; height: 100%; background: var(--brand-bright); border-radius: 100px; transform-origin: left center; transform: scaleX(0); transition: transform 0.45s var(--ease); }
.calc__bar--alt span { background: var(--accent); }
.calc__note { margin-top: 1.5rem; font-size: var(--fs-xs); color: rgba(251,250,247,0.45); line-height: 1.6; }
.calc__cta { margin-top: 1.5rem; }

/* Accordion (native details) */
.accordion { border-top: 1px solid var(--line); }
.acc-item { border-bottom: 1px solid var(--line); }
.acc-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.1rem, 2vw, 1.5rem) 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-h4);
  font-weight: 550;
  letter-spacing: -0.012em;
  line-height: 1.4;
  transition: color 0.2s var(--ease);
}
.acc-item > summary::-webkit-details-marker { display: none; }
.acc-item > summary:hover { color: var(--brand); }
.acc-item__icon { flex: none; width: 16px; height: 16px; margin-top: 6px; position: relative; }
.acc-item__icon::before, .acc-item__icon::after {
  content: ""; position: absolute; background: currentColor; inset: 0; margin: auto;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.acc-item__icon::before { width: 100%; height: 1.5px; }
.acc-item__icon::after { width: 1.5px; height: 100%; }
.acc-item[open] .acc-item__icon::after { transform: rotate(90deg); opacity: 0; }
.acc-item__body { padding-bottom: clamp(1.1rem, 2vw, 1.5rem); max-width: 82ch; color: var(--muted); font-size: var(--fs-sm); line-height: 1.7; }
.acc-item[open] > summary { color: var(--brand); }
.on-dark .accordion, .on-dark .acc-item { border-color: var(--line-dark-soft); }
.on-dark .acc-item__body { color: rgba(251,250,247,0.62); }
.on-dark .acc-item > summary:hover, .on-dark .acc-item[open] > summary { color: #A8D0C6; }

/* --------------------------------------------------------- 11 Prose / article */
.prose { max-width: 72ch; font-size: 1.09rem; line-height: 1.78; color: #1B2523; }
.prose > * + * { margin-top: 1.35rem; }
.prose h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--line);
  letter-spacing: -0.022em;
}
.prose h3 { font-size: clamp(1.18rem, 1.7vw, 1.4rem); margin-top: 2.25rem; font-family: var(--font-sans); font-weight: 650; letter-spacing: -0.014em; }
.prose ul, .prose ol { display: grid; gap: 0.75rem; padding-left: 0; }
.prose ul li { display: flex; gap: 0.85rem; }
.prose ul li::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: 11px; background: var(--accent); transform: rotate(45deg); }
.prose ol { counter-reset: li; }
.prose ol li { display: flex; gap: 0.9rem; counter-increment: li; }
.prose ol li::before {
  content: counter(li, decimal-leading-zero);
  flex: none;
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.95rem;
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}
.prose blockquote {
  border-left: 2px solid var(--accent);
  padding: 0.4rem 0 0.4rem 1.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.45;
  letter-spacing: -0.018em;
  color: var(--ink);
}
.prose .callout {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--brand);
  padding: 1.35rem 1.5rem;
  font-size: var(--fs-sm);
  line-height: 1.65;
  color: var(--muted);
}
.prose .callout strong { display: block; color: var(--ink); font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 0.5rem; font-weight: 600; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { font-size: var(--fs-sm); min-width: 480px; }
.data-table th, .data-table td { text-align: left; padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; line-height: 1.55; }
.data-table thead th { font-size: var(--fs-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; border-bottom: 1px solid var(--line-strong); }
.data-table tbody td:first-child { font-weight: 550; color: var(--ink); }
.data-table tbody tr:hover { background: rgba(11,20,18,0.02); }

/* Article layout */
.article-head { max-width: 80ch; }
.article-meta { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; align-items: center; font-size: var(--fs-xs); color: rgba(251,250,247,0.55); }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
@media (max-width: 1000px) { .article-layout { grid-template-columns: 1fr; } }
.article-aside { position: sticky; top: 110px; display: grid; gap: 1.5rem; }
.aside-card { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.5rem; background: var(--white); }
.aside-card__title { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; margin-bottom: 1rem; }

/* Insight cards */
.insight-card { display: flex; flex-direction: column; gap: 0.9rem; height: 100%; }
.insight-card__meta { display: flex; gap: 0.75rem; align-items: center; font-size: var(--fs-xs); color: var(--muted-2); }
.insight-card__title { font-family: var(--font-display); font-size: clamp(1.25rem, 1.9vw, 1.5rem); letter-spacing: -0.022em; line-height: 1.2; transition: color 0.2s var(--ease); }
.insight-card:hover .insight-card__title { color: var(--brand); }
.insight-card__excerpt { font-size: var(--fs-sm); color: var(--muted); line-height: 1.6; }

/* --------------------------------------------------- 12 Motion & utilities */
/* Icerik varsayilan olarak GORUNURDUR. JavaScript yalnizca ekranin altinda kalan
   ogeleri "armed" isaretler; boylece JS calismasa bile hicbir icerik gizli kalmaz. */
.reveal { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-armed { opacity: 0; transform: translateY(14px); }
/* Varyantlar: her bolum ayni hareketi tekrar etmesin. Mesafeler kucuk tutulur. */
.reveal--fade.is-armed { transform: none; }
.reveal--scale.is-armed { transform: scale(0.985); }
.reveal--left.is-armed { transform: translateX(-12px); }
.reveal--right.is-armed { transform: translateX(12px); }
.reveal--soft.is-armed { transform: translateY(8px); }
.reveal.is-armed.is-in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: 0.07s; }
.reveal-d2 { transition-delay: 0.14s; }
.reveal-d3 { transition-delay: 0.21s; }
.reveal-d4 { transition-delay: 0.28s; }
.reveal-d5 { transition-delay: 0.35s; }
.reveal-d6 { transition-delay: 0.42s; }

/* Sayfa girisi: route degistiginde <main> yeniden baglanir ve bu animasyon tekrar
   oynar; yalnizca opacity kullanilir (layout/scroll etkilenmez). */
@keyframes page-in { from { opacity: 0; } to { opacity: 1; } }
.site-root > main { animation: page-in 0.45s var(--ease) both; }

/* Hero / sayfa basligi dekoru fareye birkac piksel tepki verir (site.js --mx/--my yazar). */
.hero__glow {
  transform: translate(calc(var(--mx, 0) * 18px), calc(var(--my, 0) * 12px));
  transition: transform 1.1s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.page-head::after {
  inset: -12px;
  transform: translate(calc(var(--mx, 0) * -6px), calc(var(--my, 0) * -4px));
  transition: transform 1.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.hero__grid-bg {
  transform: translate(calc(var(--mx, 0) * -6px), calc(var(--my, 0) * -4px));
  transition: transform 1.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.is-armed { opacity: 1 !important; transform: none !important; transition: none !important; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  /* Giris animasyonlari tamamen kapali: gecikme dahil hicbir sey gizli kalmaz. */
  .op-row, .op-row__state--done::before, .site-root > main { animation: none !important; opacity: 1; }
  /* Hareket iceren hover/dekor efektleri kapatilir; renk degisimleri kalir. */
  .btn:hover, .btn:active, .card--link:hover, .op-row:hover .op-row__text, .model:hover .model__name { transform: none !important; }
  .hero__glow, .page-head::after, .hero__grid-bg { transform: none !important; }
  .op-row__state--active::before { box-shadow: none !important; }
}
/* Dokunmatik cihazlarda hover'a bagli kaldirma yok; icerik hover'siz da tam erisilebilir. */
@media (hover: none) {
  .card--link:hover { transform: none; box-shadow: none; }
  .btn:hover { transform: none; }
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }
.mt-6 { margin-top: 3rem; }
.mt-8 { margin-top: clamp(2.5rem, 5vw, 4rem); }
.mb-3 { margin-bottom: 1.5rem; }
.maxw-prose { max-width: 66ch; }
.maxw-sm { max-width: 48ch; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.flex-wrap { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.full-height { height: 100%; }

@media print {
  .site-header, .drawer, .wa-float, .cta-band, .site-footer { display: none !important; }
  body { background: #fff; }
}

/* --------------------------------------------- 13 Bridge connectors (refined) */
.bridge {
  grid-template-columns:
    minmax(0, 1fr)
    clamp(44px, 5.5vw, 86px)
    minmax(0, 1.25fr)
    clamp(44px, 5.5vw, 86px)
    minmax(0, 1fr);
  align-items: stretch;
}
.bridge__connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  position: relative;
  padding-block: clamp(1.5rem, 3vw, 2.75rem);
}
.bridge__connector-line {
  position: relative;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(159, 200, 190, 0.5) 18%, rgba(159, 200, 190, 0.5) 82%, transparent);
}
.bridge__pulse {
  position: absolute;
  top: 50%;
  left: 0;
  width: 6px; height: 6px;
  margin-top: -3px;
  border-radius: 50%;
  background: #6FC0AC;
  box-shadow: 0 0 10px rgba(111, 192, 172, 0.9);
  animation: bridgeflow 4.2s var(--ease) infinite;
}
.bridge__pulse--2 { animation-delay: 2.1s; }
@keyframes bridgeflow {
  0%   { left: 0%; opacity: 0; }
  12%  { opacity: 1; }
  86%  { opacity: 1; }
  100% { left: calc(100% - 6px); opacity: 0; }
}
.bridge__connector-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(251, 250, 247, 0.42);
  font-weight: 600;
}
@media (max-width: 980px) {
  .bridge { grid-template-columns: minmax(0, 1fr); }
  .bridge__col--side { margin-block: 0; }
  .bridge__connector { padding-block: 0; height: 64px; flex-direction: row; }
  .bridge__connector-line {
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, rgba(159, 200, 190, 0.5) 18%, rgba(159, 200, 190, 0.5) 82%, transparent);
  }
  .bridge__pulse { animation-name: bridgeflowv; left: 50%; margin-left: -3px; margin-top: 0; }
  @keyframes bridgeflowv {
    0%   { top: 0%; opacity: 0; }
    12%  { opacity: 1; }
    86%  { opacity: 1; }
    100% { top: calc(100% - 6px); opacity: 0; }
  }
  .bridge__connector-label { writing-mode: horizontal-tb; }
}

/* ------------------------------------------------------ 14 Misc refinements */
button.tag { cursor: pointer; transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease); }
button.tag:hover { border-color: var(--brand); color: var(--brand); }
.on-dark button.tag:hover { border-color: rgba(251,250,247,0.5); color: var(--paper); }

a.cell { color: inherit; }
a.cell .link-arrow { border-bottom-color: transparent; }
a.cell:hover .link-arrow { border-bottom-color: currentColor; }

.op-panel .calc__bar-row + .calc__bar-row { margin-top: 0.25rem; }

/* Split heads inside dark sections */
.on-dark .section-head--split .t-lead { color: rgba(251, 250, 247, 0.68); }

/* Sticky compare header offset for pages with taller header */
@media (max-width: 860px) { .compare__head > * { position: static; } }

/* Contact / iletisim layout */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-block { display: grid; gap: 1.5rem; }
.contact-item { display: grid; gap: 0.35rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); }
.contact-item__label { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; }
.contact-item__value { font-size: var(--fs-h4); font-weight: 550; letter-spacing: -0.012em; }
.contact-item__value a:hover { color: var(--brand); }
.contact-item__note { font-size: var(--fs-xs); color: var(--muted); }
/* Aksiyon odakli kanal (WhatsApp): kucuk ikon + metin + ok; numara tekrar edilmez. */
.contact-item__cta { display: inline-flex; align-items: center; gap: 0.45em; max-width: 100%; }
.contact-item__cta svg { flex: none; width: 1em; height: 1em; }
.contact-item__cta svg:last-child { transition: transform 0.28s var(--ease); }
.contact-item__cta:hover svg:last-child { transform: translateX(3px); }
.company-details { font-size: var(--fs-sm); color: var(--muted); line-height: 1.8; display: grid; gap: 0.35rem; }
.company-details dt { display: inline; font-weight: 600; }
.company-details dd { display: inline; margin: 0; overflow-wrap: anywhere; }

/* Service page layout helpers */
.service-nav { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.service-nav a { font-size: var(--fs-xs); padding: 0.45em 0.8em; border: 1px solid var(--line); border-radius: 100px; color: var(--muted); transition: all 0.2s var(--ease); }
.service-nav a:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.service-nav a[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.kpi-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.25rem, 3vw, 2.5rem); }
@media (max-width: 760px) { .kpi-row { grid-template-columns: 1fr; gap: 1.5rem; } }
.kpi { padding-top: 1.25rem; border-top: 1px solid var(--line); }
.on-dark .kpi { border-color: var(--line-dark-soft); }
.kpi__label { font-family: var(--font-display); font-size: clamp(1.2rem, 2vw, 1.5rem); letter-spacing: -0.022em; }
.kpi__body { font-size: var(--fs-sm); color: var(--muted); margin-top: 0.5rem; line-height: 1.6; }
.on-dark .kpi__body { color: rgba(251,250,247,0.62); }

/* Quote / statement band */
.statement {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.6rem);
  line-height: 1.25;
  letter-spacing: -0.025em;
  max-width: 22ch;
}
.statement--wide { max-width: 32ch; }

/* Article hero meta on dark */
.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

/* Pagination-ish related links */
.related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 700px) { .related-grid { grid-template-columns: 1fr; } }
.related-item { background: var(--paper); padding: clamp(1.25rem, 2.4vw, 1.85rem); display: grid; gap: 0.5rem; transition: background-color 0.25s var(--ease); }
.related-item:hover { background: var(--white); }
.related-item__label { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); font-weight: 600; }
.related-item__title { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: -0.022em; line-height: 1.25; }

/* Nav trigger buttons must inherit type styles */
button.nav__link {
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
  font-family: inherit;
}
.wa-float { bottom: clamp(18px, 3vw, 28px); }
@media (max-width: 640px) { .wa-float { width: 46px; height: 46px; } .wa-float svg { width: 22px; height: 22px; } }

/* Grid cocuklarinin tasmasini engelle (ozellikle icinde tablo olan kolonlar) */
.article-layout > *,
.grid > *,
.grid-editorial > *,
.contact-grid > *,
.calc > * { min-width: 0; }
.prose { min-width: 0; }
.table-wrap { max-width: 100%; }

.header-actions .btn { white-space: nowrap; }

/* --------------------------------------- 15 Mega panel positioning (container) */
@media (min-width: 1100px) {
  .header-inner { position: relative; }
  .nav, .nav__item { position: static; }
  .mega {
    top: calc(100% + 1px);
    left: 0;
    right: auto;
    transform: translateY(8px);
    width: min(940px, calc(100vw - (var(--gutter) * 2)));
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }
  .mega--sm { width: min(420px, calc(100vw - (var(--gutter) * 2))); left: auto; right: 0; transform: translateY(8px); }
  .nav__item.is-open .mega,
  .nav__item.is-open .mega--sm { transform: translateY(0); }
}

/* Honeypot: ekranda ve ekran okuyucuda gorunmez, ancak display:none degil
   (bazi botlar display:none alanlari atlar). */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Maliyet araci: sonuc alani sorumluluk notu */
.calc__disclaimer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-dark-soft);
  font-size: var(--fs-xs);
  line-height: 1.65;
  color: rgba(251, 250, 247, 0.55);
}
.calc__disclaimer-title {
  font-weight: 600;
  color: rgba(251, 250, 247, 0.8);
  margin-bottom: 0.5rem;
}
.calc__disclaimer ul { display: grid; gap: 0.3rem; }
.calc__disclaimer li { display: flex; gap: 0.55rem; }
.calc__disclaimer li::before { content: "—"; opacity: 0.5; flex: none; }
.calc__disclaimer strong { color: rgba(251, 250, 247, 0.85); }

/* --------------------------------------------- 16 Production QA duzeltmeleri */

/* Marka alt yazisi 9px -> 10px (okunabilirlik). */
.brand__sub { font-size: 0.625rem; }

/* Dokunmatik cihazlarda minimum dokunma hedefi (~44px). Masaustu gorunumu
   degismez; yalnizca kaba isaretleyicilerde (parmak) devreye girer. */
@media (pointer: coarse) {
  .btn,
  button.tag,
  .service-nav a,
  .drawer__sublink {
    min-height: 44px;
  }
  .btn, button.tag, .service-nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .drawer__sublink { display: flex; align-items: center; }
}

/* Cok dar ekranlarda (<=360px) hizmet listesi tek kolona iner. */
@media (max-width: 380px) {
  .hizmet-liste-grid {
    grid-template-columns: minmax(0, 1fr) !important;
    gap: 0.75rem !important;
  }
}

/* --------------------------------------- 17 Kontrast (WCAG AA) duzeltmeleri */

/* Acik zeminde kucuk punto accent metinleri koyu varyanti kullanir. */
.card__index,
.model__code,
.step__no,
.prose ol li::before,
.tag--accent { color: var(--accent-ink); }

/* Koyu zeminde accent metin ve ikincil metinler. */
.on-dark .card__index,
.on-dark .model__code,
.on-dark .step__no { color: var(--accent-on-dark); }

.on-dark .card__body,
.on-dark .ticks li,
.on-dark .dash-list li,
.on-dark .insight-card__excerpt,
.on-dark .calc__sub { color: rgba(251, 250, 247, 0.72); }

.on-dark .compare__note,
.on-dark .model__tagline,
.on-dark .bridge__role,
.on-dark .flow-panel__tag,
.on-dark .op-row__meta,
.on-dark .op-panel__foot-label,
.on-dark .calc__note,
.on-dark .hero__note,
.on-dark .hero-strip__v,
.on-dark .article-meta,
.on-dark .breadcrumbs { color: rgba(251, 250, 247, 0.68); }

.on-dark .bridge__gain strong,
.on-dark .op-panel__title,
.on-dark .calc__result-label,
.on-dark .footer-nav__title { color: rgba(251, 250, 247, 0.7); }

/* Footer: sorumluluk reddi ve alt satir okunabilirligi. */
.footer-disclaimer { color: rgba(251, 250, 247, 0.62); }
.footer-bottom { color: rgba(251, 250, 247, 0.68); }
.footer-brand__desc { color: rgba(251, 250, 247, 0.72); }
.site-footer .brand__sub { color: rgba(251, 250, 247, 0.68); }

/* Koyu panellerdeki mikro etiketler. */
.calc__disclaimer { color: rgba(251, 250, 247, 0.7); }
.op-panel__avatar { background: #8FD3C1; color: #062019; }
.bridge__connector-label { color: rgba(251, 250, 247, 0.62); }
.model__flag { background: var(--accent-ink); }

/* Koyu zeminli hucre icindeki ok baglantisi (icgorular CTA hucresi). */
.cell.on-dark .link-arrow,
.cell--invert .link-arrow { color: #A8D0C6; }

/* Koyu yuzeyler .on-dark sinifi tasimadiginda dogrudan hedeflenir. */
.model--featured .dash-list li,
.model--featured .ticks li,
.model--featured .model__body,
.model--featured .model__best { color: rgba(251, 250, 247, 0.72); }
.model--featured .model__code { color: var(--accent-on-dark); }
.op-row__no { color: rgba(251, 250, 247, 0.6); }
.footer-nav__title { color: rgba(251, 250, 247, 0.68); }
.calc__note { color: rgba(251, 250, 247, 0.68); }
.flow-panel--after .flow-panel__tag,
.flow-panel--after .flow-panel__caption,
.flow-panel--after .flow-count small { color: rgba(251, 250, 247, 0.72); }

/* Liste ogesi ici satir ici etiketler (strong vb.) flex ogesi olmamali:
   isaretciyi mutlak konumlandir, metin normal akista kalsin. */
.calc__disclaimer li {
  display: block;
  position: relative;
  padding-left: 1.1rem;
}
.calc__disclaimer li::before { position: absolute; left: 0; top: 0; }

/* --------------------------------------------- 18 Dil degistirici (TR / EN) */
.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  padding: 0.45em 0.6em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-switch:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
@media (max-width: 360px) { .lang-switch { min-width: 34px; padding-inline: 0.4em; } }
.site-header--over .lang-switch { border-color: var(--line-dark); color: var(--paper); }
.site-header--over .lang-switch:hover {
  border-color: rgba(251, 250, 247, 0.55);
  background: rgba(251, 250, 247, 0.08);
  color: var(--paper);
}
.site-header.is-open .lang-switch { border-color: var(--line-strong); color: var(--ink); }
@media (pointer: coarse) { .lang-switch { min-height: 44px; } }

/* Footer marka cumlesi (slogan) */
.footer-slogan {
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  letter-spacing: -0.018em;
  line-height: 1.35;
  color: var(--paper);
  margin-top: 1rem;
}
.footer-legal-info {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-dark-soft);
  display: grid;
  gap: 0.35rem;
  font-size: var(--fs-xs);
  color: rgba(251, 250, 247, 0.6);
  line-height: 1.6;
}
.footer-legal-info dt { display: inline; font-weight: 600; color: rgba(251, 250, 247, 0.7); }
.footer-legal-info dd { display: inline; margin: 0; }