/*! Acer İskele Kalıp — üretim stil dosyası. Kaynak: src/css/*.css */

/* ===== 01-fonts.css ===== */
/* ============================================================
   FONTLAR — yerel barındırılır, harici istek yapılmaz
   Inter (metin) ve Archivo (başlık) değişken fontlardır.
   Archivo'nun wdth ekseni sıkışık (condensed) başlıklar için kullanılır.
   ============================================================ */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url('../fonts/archivo-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308,
    U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
    U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url('../fonts/archivo-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===== 02-tokens.css ===== */
/* ============================================================
   TASARIM JETONLARI (design tokens)

   Site TEK TEMALIDIR: koyu (gece) tema.
   Aydınlık tema ve tema değiştirme düğmesi bilinçli olarak yoktur.

   Renk paleti Acer logosundan türetilmiştir:
     lacivert #2A3B58 -> koyu kurumsal zemin
     kırmızı  #CE423E -> vurgu rengi (logodaki dünya ızgarası)
   ============================================================ */

:root {
  color-scheme: dark;

  /* --- Marka --- */
  --brand-navy: #16233d;
  --brand-navy-deep: #070b14;
  --brand-red: #ce423e;
  --brand-red-deep: #a8322f;
  --brand-steel: #8a94a6;

  /* --- Zeminler --- */
  --bg: #0b111f;
  --bg-2: #111a2b;
  --bg-3: #1a2537;
  --bg-inset: #070b14;
  --surface: #121c2f;
  --surface-2: #17233a;

  /* --- Metin --- */
  --ink: #eef2f8;
  --ink-2: #b3bfd2;
  --ink-3: #7d8ba3;
  --ink-on-dark: #eef2f8;
  --ink-on-accent: #ffffff;

  /* --- Çizgiler --- */
  --line: #24314b;
  --line-strong: #3a4a68;

  /* --- Vurgu --- */
  --accent: #e5544f;
  --accent-hover: #f0655f;
  --accent-soft: rgba(229, 84, 79, 0.14);

  /* --- Gölgeler --- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);

  /* Blueprint ızgara dokusu */
  --grid-line: rgba(160, 190, 235, 0.06);
  --grid-line-strong: rgba(160, 190, 235, 0.1);

  --scrim: rgba(3, 6, 12, 0.72);
  --header-bg: rgba(11, 17, 31, 0.9);

  /* --- Tipografi --- */
  --font-display: 'Archivo', 'Arial Narrow', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Mono', 'Consolas', monospace;

  /* Akışkan ölçek — 360px ile 1600px arasında yumuşak büyür */
  --step--1: clamp(0.8rem, 0.76rem + 0.18vw, 0.9rem);
  --step-0: clamp(0.95rem, 0.9rem + 0.22vw, 1.06rem);
  --step-1: clamp(1.12rem, 1.03rem + 0.4vw, 1.35rem);
  --step-2: clamp(1.35rem, 1.17rem + 0.78vw, 1.85rem);
  --step-3: clamp(1.65rem, 1.32rem + 1.4vw, 2.6rem);
  --step-4: clamp(2rem, 1.44rem + 2.4vw, 3.6rem);
  --step-5: clamp(2.5rem, 1.5rem + 4.3vw, 5.2rem);
  --step-6: clamp(2.15rem, 1rem + 6.1vw, 6.6rem);

  /* --- Aralık --- */
  --space-2xs: 0.375rem;
  --space-xs: 0.625rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.25rem;
  --space-xl: 3.5rem;
  --space-2xl: clamp(3.5rem, 2rem + 6vw, 7rem);
  --space-3xl: clamp(5rem, 2.5rem + 9vw, 10rem);

  /* --- Ölçüler --- */
  --container: 78rem;
  --container-wide: 90rem;
  --container-text: 46rem;
  --gutter: clamp(1.15rem, 0.6rem + 2.4vw, 3rem);
  --header-h: 5rem;
  --header-h-scrolled: 4rem;

  /* --- Hareket --- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 160ms;
  --dur: 300ms;
  --dur-slow: 620ms;

  /* Endüstriyel köşe kesimi — yuvarlak köşe yerine pah */
  --cut: 14px;
  --cut-sm: 8px;

  --z-header: 100;
  --z-menu: 110;
  --z-float: 90;
  --z-lightbox: 200;
}

/* ===== 03-base.css ===== */
/* ============================================================
   TEMEL — sıfırlama, tipografi, erişilebilirlik
   ============================================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  /* Tarayıcının kendi yumuşak kaydırması kullanılır — JS kaydırma
     kütüphanesi yoktur (takılmaya sebep oluyordu). */
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h-scrolled) + 1.5rem);
}

body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  font-synthesis-weight: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}
img,
video {
  height: auto;
}

/* Satır içi SVG ikonlarımızda width/height özniteliği yoktur (yalnız viewBox).
   Boyut verilmezse tarayıcı 300x150 varsayar. Varsayılanı metin boyutuna
   sabitliyoruz; kapsayıcı bir ölçü verdiğinde aşağıdaki kurallar devralır.
   :where() kullanılır ki özgüllük 0 kalsın ve her bileşen kuralı bunu ezebilsin. */
svg:where(:not([width]):not([height])) {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}
/* Kapsayıcısını dolduran ikonlar */
.feature-icon svg,
.catalog-icon svg,
.map-pin svg {
  width: 100%;
  height: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

p,
li {
  text-wrap: pretty;
}

/* --- Başlıklar --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.015em;
  text-wrap: balance;
  color: var(--ink);
  /* Dar ekranlarda uzun tek kelimelik başlıklar taşmasın */
  overflow-wrap: break-word;
}

h1 {
  font-size: var(--step-5);
  font-stretch: 82%;
  text-transform: uppercase;
}
h2 {
  font-size: var(--step-3);
  font-stretch: 88%;
}
h3 {
  font-size: var(--step-2);
  font-stretch: 92%;
  font-weight: 700;
}
h4 {
  font-size: var(--step-1);
  font-weight: 700;
}

/* --- Bağlantılar --- */
a {
  color: inherit;
  text-decoration-color: color-mix(in srgb, currentColor 35%, transparent);
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
  transition: color var(--dur-fast) var(--ease-out),
    text-decoration-color var(--dur-fast) var(--ease-out);
}
a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

/* --- Odak halkası: klavye kullanıcıları için net --- */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}
:where(a, button, input, select, textarea, summary):focus:not(:focus-visible) {
  outline: none;
}

/* --- İçeriğe geç bağlantısı --- */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  padding: 0.85rem 1.4rem;
  background: var(--accent);
  color: var(--ink-on-accent);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-110%);
  transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus {
  transform: translateY(0);
  color: var(--ink-on-accent);
}

/* --- Yardımcı sınıflar --- */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: var(--step--1);
  font-weight: 700;
  font-stretch: 88%;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: '';
  width: 2rem;
  height: 2px;
  background: currentColor;
  flex: none;
}

.lead {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--ink-2);
}

.muted {
  color: var(--ink-3);
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* --- Kaydırma çubuğu --- */
@supports selector(::-webkit-scrollbar) {
  ::-webkit-scrollbar {
    width: 11px;
    height: 11px;
  }
  ::-webkit-scrollbar-track {
    background: var(--bg-2);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--line-strong);
    border: 3px solid var(--bg-2);
  }
  ::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
  }
}

/* ===== 04-layout.css ===== */
/* ============================================================
   YERLEŞİM — konteyner, bölüm, ızgara, blueprint dokusu
   ============================================================ */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide {
  max-width: var(--container-wide);
}
.container--text {
  max-width: var(--container-text);
}

.section {
  position: relative;
  padding-block: var(--space-2xl);
}
.section--tight {
  padding-block: var(--space-xl);
}
.section--flush-top {
  padding-top: 0;
}

/* Zemin varyantları — sayfa ritmi için açık/koyu bant değişimi */
.section--alt {
  background: var(--bg-2);
}
.section--dark {
  background: var(--bg-inset);
  color: var(--ink-on-dark);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: #fff;
}
.section--dark .lead,
.section--dark p {
  color: rgba(238, 242, 248, 0.78);
}
.section--dark .eyebrow {
  color: #f0817d;
}

/* Blueprint ızgara dokusu — endüstriyel teknik çizim hissi */
.grid-texture {
  position: relative;
  isolation: isolate;
}
.grid-texture::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, #000 30%, transparent 78%);
}

/* Bölüm başlığı bloğu */
.section-head {
  max-width: 46rem;
  margin-bottom: var(--space-xl);
}
.section-head--center {
  margin-inline: auto;
  text-align: center;
}
.section-head--center .eyebrow {
  justify-content: center;
}
.section-head .eyebrow {
  margin-bottom: var(--space-sm);
}
.section-head h2 {
  margin-bottom: var(--space-sm);
}
.section-head > p {
  color: var(--ink-2);
  font-size: var(--step-1);
  line-height: 1.55;
}

.section-head--split {
  max-width: none;
  display: grid;
  gap: var(--space-md);
  align-items: end;
  grid-template-columns: 1fr;
}
@media (min-width: 62rem) {
  .section-head--split {
    grid-template-columns: 1.4fr 1fr;
    gap: var(--space-xl);
  }
}

/* Genel ızgaralar */
.grid {
  display: grid;
  gap: var(--space-md);
}
.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}
.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}
.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13.5rem), 1fr));
}

/* Zengin metin akışı (makale/kurumsal gövde) */
.prose > * + * {
  margin-top: 1.1em;
}
.prose h2 {
  margin-top: 2.2em;
  margin-bottom: 0.6em;
  padding-top: 0.9em;
  border-top: 2px solid var(--line);
}
.prose h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.prose h3 {
  margin-top: 1.8em;
  margin-bottom: 0.4em;
}
.prose p,
.prose li {
  color: var(--ink-2);
}
.prose strong {
  color: var(--ink);
  font-weight: 650;
}
.prose ul,
.prose ol {
  padding-left: 0;
  list-style: none;
  display: grid;
  gap: 0.7em;
}
.prose ul > li {
  position: relative;
  padding-left: 1.85em;
}
.prose ul > li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.7em;
  height: 2px;
  background: var(--accent);
}
.prose ol {
  counter-reset: n;
}
.prose ol > li {
  position: relative;
  padding-left: 2.4em;
  counter-increment: n;
}
.prose ol > li::before {
  content: counter(n, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.85em;
  color: var(--accent);
}
.prose a {
  color: var(--accent);
  text-decoration: underline;
}

/* Tablo */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--surface);
}
.prose table,
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--step--1);
  min-width: 32rem;
}
.table-wrap th,
.table-wrap td {
  padding: 0.85rem 1.1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.table-wrap thead th {
  background: var(--bg-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 90%;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: var(--step--1);
  color: var(--ink);
  white-space: nowrap;
}
.table-wrap tbody tr:last-child th,
.table-wrap tbody tr:last-child td {
  border-bottom: 0;
}
.table-wrap tbody td:first-child {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

/* Alıntı */
.pull-quote {
  position: relative;
  margin-block: var(--space-lg);
  padding: var(--space-lg) var(--space-md) var(--space-lg) calc(var(--space-lg) + 0.5rem);
  border-left: 4px solid var(--accent);
  background: var(--bg-2);
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-stretch: 92%;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}
.pull-quote cite {
  display: block;
  margin-top: var(--space-sm);
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ===== 05-header.css ===== */
/* ============================================================
   ÜST BAR — logo, gezinme, mega menü, mobil çekmece,
   tema anahtarı, dil değiştirici, kırıntı navigasyonu
   ============================================================ */

.site-header {
  /* Üst bara özel renk değişkenleri.
     ÖNEMLİ: --ink / --line gibi genel değişkenler burada EZİLMEZ.
     Ezilirse açılır menünün içine kadar akar ve beyaz panelde
     beyaz yazı oluşur (menü görünmez olur). */
  --header-ink: var(--ink);
  --header-ink-soft: var(--ink-3);
  --header-line: var(--line);

  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: transform var(--dur) var(--ease-out), height var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--header-bg);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.site-header.is-scrolled {
  height: var(--header-h-scrolled);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.site-header.is-scrolled::before {
  opacity: 1;
}
.site-header.is-hidden {
  transform: translateY(-100%);
}

/* Koyu zeminli hero üzerindeyken üst bar metni beyaz olur.
   Yalnız --header-* değişkenleri değişir. */
.site-header.is-over-hero:not(.is-scrolled) {
  --header-ink: #fff;
  --header-ink-soft: rgba(255, 255, 255, 0.72);
  --header-line: rgba(255, 255, 255, 0.4);
}

.header-inner {
  position: relative;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* --- Logo --- */
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  flex: none;
  margin-right: auto;
}
.brand img {
  height: 2.6rem;
  width: auto;
  transition: height var(--dur) var(--ease-out);
}
.is-scrolled .brand img {
  height: 2.1rem;
}
/* Logo lacivert yazılıdır; koyu zeminde okunması için beyaza çevrilir */
.brand img {
  filter: brightness(0) invert(1);
}
.brand-text {
  display: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: 84%;
  font-size: 0.7rem;
  line-height: 1.15;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--header-ink-soft);
}
@media (min-width: 30rem) {
  .brand-text {
    display: block;
  }
}

/* --- Ana gezinme --- */
.nav {
  display: none;
}
@media (min-width: 68rem) {
  .nav {
    display: flex;
    align-items: center;
    gap: 0.15rem;
  }
}
.nav > li {
  position: relative;
  list-style: none;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.7rem 0.85rem;
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 650;
  font-stretch: 92%;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--header-ink);
  white-space: nowrap;
  background: none;
  border: 0;
  cursor: pointer;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.45rem;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}
.nav-link:hover,
.nav-link[aria-expanded='true'] {
  color: var(--accent);
}
.nav-link:hover::after,
.nav-link[aria-current='page']::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}
.nav-link .chev {
  width: 0.6rem;
  height: 0.6rem;
  transition: transform var(--dur-fast) var(--ease-out);
}
.nav-link[aria-expanded='true'] .chev {
  transform: rotate(180deg);
}

/* --- Açılır / mega menü ---
   Genel renk değişkenlerini kullanır; üst barın beyaz metni buraya sızmaz. */
.submenu {
  position: absolute;
  top: calc(100% + 0.1rem);
  left: 0;
  min-width: 15rem;
  padding: 0.5rem;
  margin: 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out),
    visibility var(--dur-fast);
}
.submenu--mega {
  left: auto;
  right: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(14rem, 1fr));
  gap: 0.15rem;
  min-width: 34rem;
}
.nav > li:hover > .submenu,
.nav > li:focus-within > .submenu,
.submenu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.submenu a {
  display: block;
  padding: 0.6rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-2);
  border-left: 2px solid transparent;
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.submenu a:hover,
.submenu a:focus-visible {
  background: var(--bg-2);
  color: var(--accent);
  border-left-color: var(--accent);
}

/* --- Sağ taraf eylemleri --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex: none;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: 1px solid var(--header-line);
  color: var(--header-ink);
  cursor: pointer;
  transition: background-color var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.icon-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.icon-btn svg {
  width: 1.1rem;
  height: 1.1rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  height: 2.5rem;
  padding-inline: 0.8rem;
  border: 1px solid var(--header-line);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  color: var(--header-ink);
  transition: background-color var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.lang-switch:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* .btn kuralı 07-components.css'te aynı özgüllükte tanımlı olduğu için
   yalnız .header-cta yazmak yetmez; .btn.header-cta ile özgüllük artırılır. */
.btn.header-cta {
  display: none;
}
@media (min-width: 78rem) {
  .btn.header-cta {
    display: inline-flex;
  }
}

/* --- Mobil menü düğmesi --- */
.burger {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--header-line);
  background: none;
  cursor: pointer;
  color: var(--header-ink);
}
@media (min-width: 68rem) {
  .burger {
    display: none;
  }
}
.burger span {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast);
}
.burger span + span {
  margin-top: 4px;
}
.burger[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.burger[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.burger[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* --- Mobil çekmece --- */
.drawer {
  position: fixed;
  inset: 0;
  z-index: var(--z-menu);
  display: grid;
  grid-template-columns: 1fr;
  pointer-events: none;
}
.drawer[hidden] {
  display: none;
}
.drawer-scrim {
  position: absolute;
  inset: 0;
  background: var(--scrim);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
}
.drawer-panel {
  position: relative;
  margin-left: auto;
  width: min(24rem, 100%);
  height: 100%;
  padding: calc(var(--header-h) + 1rem) var(--space-md) var(--space-lg);
  background: var(--bg);
  border-left: 1px solid var(--line);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(100%);
  transition: transform var(--dur) var(--ease-out);
  box-shadow: var(--shadow-lg);
}
.drawer.is-open {
  pointer-events: auto;
}
.drawer.is-open .drawer-scrim {
  opacity: 1;
}
.drawer.is-open .drawer-panel {
  transform: translateX(0);
}

.drawer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.1rem;
}
.drawer-nav > li {
  border-bottom: 1px solid var(--line);
}
.drawer-nav a,
.drawer-nav .drawer-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  width: 100%;
  padding: 0.95rem 0.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  font-stretch: 92%;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
}
.drawer-toggle .chev {
  width: 0.75rem;
  height: 0.75rem;
  flex: none;
  transition: transform var(--dur-fast) var(--ease-out);
}
.drawer-toggle[aria-expanded='true'] .chev {
  transform: rotate(180deg);
}
.drawer-sub {
  list-style: none;
  margin: 0;
  padding: 0 0 0.6rem 0.9rem;
  display: grid;
  gap: 0.05rem;
  border-left: 2px solid var(--accent);
}
.drawer-sub[hidden] {
  display: none;
}
.drawer-sub a {
  padding: 0.55rem 0.5rem;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink-2);
}
.drawer-foot {
  margin-top: var(--space-lg);
  display: grid;
  gap: var(--space-sm);
}
.drawer-foot .btn {
  width: 100%;
  justify-content: center;
}
.drawer-contact {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--ink-2);
}
.drawer-contact a {
  text-decoration: none;
}

/* --- Kırıntı navigasyonu --- */
.breadcrumb {
  padding-block: var(--space-sm);
  font-size: var(--step--1);
  color: var(--ink-3);
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.breadcrumb li + li::before {
  content: '/';
  color: var(--line-strong);
}
.breadcrumb a {
  text-decoration: none;
  color: var(--ink-3);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb [aria-current='page'] {
  color: var(--ink-2);
  font-weight: 500;
}

/* Sabit üst bar için boşluğu her sayfanın kendi hero bölümü açar
   (.hero ve .page-hero üst boşluklarına --header-h dahildir).
   Burada tekrar boşluk verilirse üst barın altında boş bir şerit kalır. */
.page-body {
  padding-top: 0;
}

/* Kaydırma ilerleme çubuğu */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  transform-origin: left;
  transform: scaleX(0);
  background: var(--accent);
  z-index: calc(var(--z-header) + 1);
  pointer-events: none;
}

/* ===== 06-hero.css ===== */
/* ============================================================
   KAHRAMAN BÖLÜMÜ (hero) — video arka plan, kinetik tipografi
   ============================================================ */

.hero {
  position: relative;
  min-height: min(100svh, 58rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  background: var(--brand-navy-deep);
  color: #fff;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
/* Görsel sarmalayıcısı (.media) varsayılan olarak içeriğe göre yükseklik alır.
   Arka plan olarak kullanıldığında kapsayıcıyı tam doldurması gerekir. */
.hero-media .media,
.page-hero-bg .media {
  position: absolute;
  inset: 0;
  height: 100%;
  background: none;
}
.hero-media picture,
.page-hero-bg picture {
  display: block;
  width: 100%;
  height: 100%;
}
.hero-media img,
.hero-media video,
.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}
/* Ken Burns — yavaş yakınlaşma */
.hero-media .hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.4s var(--ease-in-out);
}
.hero-media .hero-slide.is-active {
  opacity: 1;
}
.hero-media .hero-slide img {
  animation: kenburns 18s ease-out both;
}
@keyframes kenburns {
  from {
    transform: scale(1.02);
  }
  to {
    transform: scale(1.14);
  }
}
.hero-media video {
  position: absolute;
  inset: 0;
  z-index: 1;
}
/* Video varken alttaki fotoğraf slaytları görünmez; yakınlaşma animasyonu
   boşuna GPU harcamasın diye durdurulur. */
.hero-media:has(.hero-video) .hero-slide img {
  animation: none;
}

/* Katmanlı karartma — metin her koşulda okunur kalsın */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
      180deg,
      rgba(6, 10, 18, 0.46) 0%,
      rgba(6, 10, 18, 0.14) 32%,
      rgba(6, 10, 18, 0.4) 68%,
      rgba(6, 10, 18, 0.86) 100%
    ),
    linear-gradient(90deg, rgba(6, 10, 18, 0.62) 0%, rgba(6, 10, 18, 0.04) 66%);
}
/* Blueprint ızgara kaplaması */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, transparent, #000 40%, #000 70%, transparent);
}

.hero-inner {
  position: relative;
  width: 100%;
  max-width: var(--container-wide);
  margin-inline: auto;
  padding: calc(var(--header-h) + var(--space-2xl)) var(--gutter) var(--space-2xl);
}

.hero .eyebrow {
  color: #fff;
  margin-bottom: var(--space-md);
}
.hero .eyebrow::before {
  background: var(--accent);
  width: 3rem;
  height: 3px;
}

.hero-title {
  font-size: var(--step-6);
  font-weight: 900;
  font-stretch: 74%;
  line-height: 0.86;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-lg);
  max-width: 16ch;
}
/* overflow:hidden satır açılma animasyonu için gerekli. Sıkı satır yüksekliği
   Türkçe büyük harflerin üstünü (İ noktası) ve altını (Ş, Ç çengeli) kırpar;
   dolgu bu payı açar. Negatif kenar boşluğu KULLANILMAZ — son satırınki
   ardından gelen paragrafı başlığın üzerine çekiyordu. */
.hero-title .line {
  display: block;
  overflow: hidden;
  padding-block: 0.1em 0.18em;
}
.hero-title .line > span {
  display: block;
}
.hero-title .line:nth-child(2) > span {
  color: var(--accent);
}

.hero-text {
  max-width: 42ch;
  font-size: var(--step-1);
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: var(--space-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.6rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--step--1);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
}
.hero-badges li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-badges li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  transform: rotate(45deg);
  flex: none;
}

/* Kaydırma göstergesi */
.hero-scroll {
  position: absolute;
  right: var(--gutter);
  bottom: var(--space-lg);
  display: none;
  align-items: center;
  gap: 0.75rem;
  writing-mode: vertical-rl;
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
}
@media (min-width: 62rem) {
  .hero-scroll {
    display: flex;
  }
}
.hero-scroll::after {
  content: '';
  width: 1px;
  height: 3.5rem;
  background: linear-gradient(rgba(255, 255, 255, 0.5), transparent);
  position: relative;
}
.hero-scroll .dot {
  position: absolute;
  bottom: 0;
  right: calc(0.35rem - 2px);
  width: 5px;
  height: 5px;
  background: var(--accent);
  animation: scrollDot 2.2s var(--ease-in-out) infinite;
}
@keyframes scrollDot {
  0% {
    transform: translateY(-3.5rem);
    opacity: 0;
  }
  25% {
    opacity: 1;
  }
  75% {
    opacity: 1;
  }
  100% {
    transform: translateY(0);
    opacity: 0;
  }
}

/* Sağ kenar dikey sosyal medya */
.hero-social {
  position: absolute;
  left: var(--gutter);
  bottom: var(--space-lg);
  display: none;
  flex-direction: column;
  gap: 0.9rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
@media (min-width: 62rem) {
  .hero-social {
    display: flex;
  }
}
.hero-social a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--dur-fast), transform var(--dur-fast);
  display: block;
}
.hero-social a:hover {
  color: #fff;
  transform: translateY(-2px);
}
.hero-social svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* --- İç sayfa başlığı --- */
.page-hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--space-xl));
  padding-bottom: var(--space-xl);
  background: var(--bg-2);
  overflow: hidden;
  isolation: isolate;
}
.page-hero--image {
  background: var(--brand-navy-deep);
  color: #fff;
  padding-top: calc(var(--header-h) + var(--space-2xl));
  padding-bottom: var(--space-2xl);
}
.page-hero--image h1,
.page-hero--image .lead {
  color: #fff;
}
.page-hero--image .lead {
  color: rgba(255, 255, 255, 0.84);
}
.page-hero--image .breadcrumb,
.page-hero--image .breadcrumb a,
.page-hero--image .breadcrumb [aria-current='page'] {
  color: rgba(255, 255, 255, 0.68);
}
.page-hero--image .eyebrow {
  color: #fff;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero--image::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 10, 18, 0.8), rgba(6, 10, 18, 0.62)),
    linear-gradient(90deg, rgba(6, 10, 18, 0.75), rgba(6, 10, 18, 0.25));
}
.page-hero h1 {
  margin-block: var(--space-sm) var(--space-sm);
  max-width: 20ch;
}
.page-hero .lead {
  max-width: 56ch;
}

/* ===== 07-components.css ===== */
/* ============================================================
   BİLEŞENLER — düğmeler, kartlar, görseller, sayaçlar,
   galeri, akordiyon, rozet ve yüzen eylemler
   ============================================================ */

/* ---------- Düğmeler ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  font-stretch: 92%;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  border: 2px solid transparent;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  /* Endüstriyel köşe kesimi */
  clip-path: polygon(var(--cut-sm) 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%, 0 var(--cut-sm));
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  transform: translateY(101%);
  transition: transform var(--dur) var(--ease-out);
}
.btn:hover::before {
  transform: translateY(0);
}
.btn:active {
  transform: translateY(1px);
}
.btn svg {
  width: 1rem;
  height: 1rem;
  flex: none;
  transition: transform var(--dur) var(--ease-out);
}
.btn:hover svg {
  transform: translateX(3px);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--primary::before {
  background: var(--brand-navy);
}
.btn--primary:hover {
  color: #fff;
  border-color: var(--brand-navy);
}

.btn--outline {
  background: transparent;
  color: var(--ink);
  border-color: currentColor;
}
.btn--outline::before {
  background: var(--accent);
}
.btn--outline:hover {
  color: #fff;
  border-color: var(--accent);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.45);
}
.btn--ghost::before {
  background: #fff;
}
.btn--ghost:hover {
  color: var(--brand-navy);
  border-color: #fff;
}

.btn--sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.78rem;
}
.btn--lg {
  padding: 1.15rem 2.1rem;
  font-size: 0.95rem;
}
.btn--block {
  width: 100%;
}

/* Metin bağlantısı — oklu */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  font-stretch: 92%;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--accent);
}
.link-arrow svg {
  width: 1rem;
  height: 1rem;
  transition: transform var(--dur) var(--ease-out);
}
.link-arrow:hover svg {
  transform: translateX(5px);
}

/* ---------- Görsel çerçevesi ---------- */
.media {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
  isolation: isolate;
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease-out);
}
.media--4x3 {
  aspect-ratio: 4 / 3;
}
.media--3x2 {
  aspect-ratio: 3 / 2;
}
.media--16x9 {
  aspect-ratio: 16 / 9;
}
.media--1x1 {
  aspect-ratio: 1;
}
.media--tall {
  aspect-ratio: 3 / 4;
}
/* Bulanık yer tutucu (LQIP).
   Görselin ARKASINDA durur — üstünde değil. Böylece görsel çözüldüğü anda
   yer tutucuyu kendisi örter; kaldırılması için JS gerekmez. JS çalışıyorsa
   .is-loaded ile yumuşakça söner. */
.media::before {
  content: '';
  position: absolute;
  inset: -5%;
  z-index: 0;
  background: var(--lqip) center / cover no-repeat;
  opacity: 1;
  transition: opacity 450ms var(--ease-out);
  pointer-events: none;
}
.media.is-loaded::before {
  opacity: 0;
}
.media > picture,
.media > img {
  position: relative;
  z-index: 1;
}

/* ---------- Kartlar ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  overflow: hidden;
  isolation: isolate;
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.card:hover .media img {
  transform: scale(1.07);
}
.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: var(--space-md);
  flex: 1;
}
.card-title {
  font-size: var(--step-1);
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 92%;
  line-height: 1.2;
}
.card-title a {
  text-decoration: none;
}
.card-title a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
.card-text {
  font-size: var(--step--1);
  color: var(--ink-2);
  line-height: 1.6;
  flex: 1;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: 0.4rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
}
.card-foot svg {
  width: 1.05rem;
  height: 1.05rem;
  transition: transform var(--dur) var(--ease-out);
}
.card:hover .card-foot svg {
  transform: translateX(5px);
}

/* Ürün kartı — kırmızı diyagonal açılma.
   ::before LQIP yer tutucuya ayrıldığı için burada ::after kullanılır. */
.card--product .media::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg, var(--accent) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}
.card--product:hover .media::after {
  opacity: 0.32;
}
.card--product .card-tag {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  padding: 0.4rem 0.85rem;
  background: var(--brand-navy);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.card[hidden] {
  display: none;
}

/* ---------- Filtre çubuğu ---------- */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}
.filter-btn {
  padding: 0.6rem 1.15rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 650;
  font-stretch: 94%;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--line);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn[aria-pressed='true'] {
  background: var(--brand-navy);
  border-color: var(--brand-navy);
  color: #fff;
}
.filter-btn[aria-pressed='true'] {
  background: var(--accent);
  border-color: var(--accent);
}

/* ---------- Sayaçlar ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.stat {
  background: var(--surface);
  padding: var(--space-lg) var(--space-md);
  display: grid;
  gap: 0.3rem;
  align-content: start;
}
.section--dark .stats {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.14);
}
.section--dark .stat {
  background: var(--bg-inset);
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 900;
  font-stretch: 78%;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.stat-label {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}
.section--dark .stat-label {
  color: #fff;
}
.stat-note {
  font-size: var(--step--1);
  color: var(--ink-3);
}

/* ---------- Özellik kutuları ---------- */
.feature {
  position: relative;
  padding: var(--space-lg) var(--space-md);
  background: var(--surface);
  border: 1px solid var(--line);
  display: grid;
  gap: 0.7rem;
  align-content: start;
  transition: border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}
.feature:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  width: 2.75rem;
  height: 2.75rem;
  color: var(--accent);
}
.feature-icon svg {
  width: 100%;
  height: 100%;
  stroke-dasharray: 220;
  stroke-dashoffset: 0;
}
.feature.is-revealed .feature-icon svg {
  animation: drawIcon 1.4s var(--ease-out) both;
}
@keyframes drawIcon {
  from {
    stroke-dashoffset: 220;
  }
  to {
    stroke-dashoffset: 0;
  }
}
.feature h3 {
  font-size: var(--step-1);
}
.feature p {
  font-size: var(--step--1);
  color: var(--ink-2);
  line-height: 1.62;
}
.section--dark .feature {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.12);
}

/* ---------- Süreç şeridi ---------- */
.process {
  position: relative;
  display: grid;
  gap: var(--space-md);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}
.process::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.4rem;
  height: 2px;
  width: 100%;
  background: var(--line);
  display: none;
}
.process::after {
  content: '';
  position: absolute;
  left: 0;
  top: 1.4rem;
  height: 2px;
  width: 100%;
  background: var(--accent);
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
  display: none;
}
@media (min-width: 62rem) {
  .process::before,
  .process::after {
    display: block;
  }
}
.step {
  position: relative;
  padding-top: 0;
  display: grid;
  gap: 0.55rem;
  align-content: start;
}
@media (min-width: 62rem) {
  .step {
    padding-top: 3.6rem;
  }
}
.step-n {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 900;
  font-stretch: 78%;
  line-height: 1;
  color: var(--accent);
}
@media (min-width: 62rem) {
  .step-n {
    position: absolute;
    top: 0;
    left: 0;
    display: grid;
    place-items: center;
    width: 2.8rem;
    height: 2.8rem;
    font-size: 0.95rem;
    background: var(--bg);
    border: 2px solid var(--line);
    color: var(--ink-3);
    transition: border-color var(--dur), color var(--dur), background-color var(--dur);
  }
  .step.is-revealed .step-n {
    border-color: var(--accent);
    color: #fff;
    background: var(--accent);
  }
  .section--alt .step-n {
    background: var(--bg-2);
  }
}
.step h3 {
  font-size: var(--step-1);
}
.step p {
  font-size: var(--step--1);
  color: var(--ink-2);
  line-height: 1.6;
}

/* ---------- Referans logo şeridi ---------- */
.marquee {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-md);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex;
  width: max-content;
  gap: var(--space-xl);
  animation: marquee 42s linear infinite;
}
.marquee:hover .marquee-track {
  animation-play-state: paused;
}
@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}
.marquee img {
  height: 3.4rem;
  width: auto;
  object-fit: contain;
  filter: grayscale(1) contrast(0.9);
  opacity: 0.62;
  transition: filter var(--dur), opacity var(--dur);
}
.marquee a:hover img {
  filter: none;
  opacity: 1;
}
.marquee img {
  filter: grayscale(1) brightness(1.9) contrast(0.8);
}
.marquee a:hover img {
  filter: brightness(1.1);
}

/* Statik logo ızgarası (referanslar sayfası) */
.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.logo-grid > * {
  display: grid;
  place-items: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--surface);
  min-height: 8rem;
}
.logo-grid img {
  max-height: 4rem;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.7;
  transition: filter var(--dur), opacity var(--dur), transform var(--dur);
}
.logo-grid > *:hover img {
  filter: none;
  opacity: 1;
  transform: scale(1.05);
}
.logo-grid img {
  filter: grayscale(1) brightness(1.9) contrast(0.8);
}

/* ---------- Galeri ---------- */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-sm);
}
.gallery-item {
  position: relative;
  display: block;
  border: 0;
  padding: 0;
  background: none;
  cursor: zoom-in;
  overflow: hidden;
}
.gallery-item .media {
  aspect-ratio: 4 / 3;
}
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent);
  opacity: 0;
  mix-blend-mode: multiply;
  transition: opacity var(--dur) var(--ease-out);
  pointer-events: none;
}
.gallery-item:hover::after {
  opacity: 0.22;
}
.gallery-item:hover img {
  transform: scale(1.06);
}
.gallery-hint {
  margin-top: var(--space-sm);
  font-size: var(--step--1);
  color: var(--ink-3);
}

/* Işık kutusu */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: grid;
  place-items: center;
  padding: var(--space-md);
  background: rgba(4, 7, 13, 0.94);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease-out), visibility var(--dur);
}
.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}
.lightbox figure {
  margin: 0;
  max-width: min(92vw, 78rem);
  max-height: 88vh;
  display: grid;
  gap: var(--space-sm);
}
.lightbox img {
  max-height: 78vh;
  width: auto;
  margin-inline: auto;
  object-fit: contain;
}
.lightbox figcaption {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--step--1);
  text-align: center;
}
.lightbox-close,
.lightbox-nav {
  position: absolute;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  cursor: pointer;
  transition: background-color var(--dur-fast), border-color var(--dur-fast);
}
.lightbox-close:hover,
.lightbox-nav:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.lightbox-close {
  top: var(--space-md);
  right: var(--space-md);
}
.lightbox-nav--prev {
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}
.lightbox-nav--next {
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}
.lightbox svg {
  width: 1.2rem;
  height: 1.2rem;
}
.lightbox-count {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Belge kartları ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  gap: var(--space-sm);
}
.cert {
  position: relative;
  display: grid;
  gap: 0.45rem;
  align-content: start;
  padding: var(--space-md);
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
}
.cert-code {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 800;
  font-stretch: 88%;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.cert-name {
  font-size: var(--step--1);
  color: var(--ink-2);
  line-height: 1.55;
}

/* ---------- Akordiyon / SSS ---------- */
.faq {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  font-stretch: 94%;
  line-height: 1.3;
  color: var(--ink);
  transition: color var(--dur-fast);
}
.faq-q:hover {
  color: var(--accent);
}
.faq-icon {
  position: relative;
  flex: none;
  width: 1.5rem;
  height: 1.5rem;
  margin-top: 0.15rem;
  border: 1px solid var(--line-strong);
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  inset: 50% 25%;
  height: 2px;
  margin-top: -1px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out), opacity var(--dur-fast);
}
.faq-icon::after {
  transform: rotate(90deg);
}
.faq-q[aria-expanded='true'] .faq-icon::after {
  transform: rotate(0);
  opacity: 0;
}
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--dur) var(--ease-out);
}
.faq-q[aria-expanded='true'] + .faq-a {
  grid-template-rows: 1fr;
}
.faq-a > div {
  overflow: hidden;
}
.faq-a p {
  padding-bottom: var(--space-md);
  color: var(--ink-2);
  max-width: 62ch;
}

/* ---------- Rozetler ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.65rem;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  background: var(--bg-3);
  color: var(--ink-2);
}
.badge--demo {
  background: #fde68a;
  color: #713f12;
}
.badge--demo {
  background: #78350f;
  color: #fde68a;
}
.demo-note {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: var(--space-sm) var(--space-md);
  margin-block: var(--space-md);
  background: color-mix(in srgb, #f59e0b 14%, var(--bg));
  border-left: 3px solid #f59e0b;
  font-size: var(--step--1);
  color: var(--ink-2);
}
.demo-note svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: none;
  color: #d97706;
  margin-top: 0.12rem;
}

/* ---------- Yüzen eylemler ---------- */
.floats {
  position: fixed;
  right: var(--gutter);
  bottom: var(--gutter);
  z-index: var(--z-float);
  display: grid;
  gap: 0.6rem;
  justify-items: end;
}
.float-btn {
  display: grid;
  place-items: center;
  width: 3.25rem;
  height: 3.25rem;
  background: var(--brand-navy);
  color: #fff;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: transform var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.float-btn:hover {
  transform: translateY(-3px) scale(1.05);
  color: #fff;
}
.float-btn svg {
  width: 1.4rem;
  height: 1.4rem;
}
.float-btn--wa {
  background: #25d366;
}
.float-btn--quote {
  background: var(--accent);
}
.float-btn--top {
  background: var(--bg-3);
  color: var(--ink);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out);
}
.float-btn--top.is-visible {
  opacity: 1;
  pointer-events: auto;
}


/* ===== 08-sections.css ===== */
/* ============================================================
   BÖLÜM DÜZENLERİ — tanıtım, CTA bandı, ürün detayı,
   blog, referans projeleri, iletişim ve teklif sayfaları
   ============================================================ */

/* ---------- İkili tanıtım bölümü ---------- */
.split {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}
@media (min-width: 62rem) {
  .split {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }
  .split--reverse .split-media {
    order: 2;
  }
}
.split-media {
  position: relative;
}
.split-media .media {
  aspect-ratio: 4 / 3;
}
/* Kırmızı ofset çerçeve — teknik çizim hissi */
.split-media::before {
  content: '';
  position: absolute;
  inset: auto -1rem -1rem auto;
  width: 62%;
  height: 62%;
  border: 2px solid var(--accent);
  z-index: -1;
}
.split-body > * + * {
  margin-top: var(--space-sm);
}
.split-body .eyebrow {
  margin-bottom: var(--space-xs);
}
.split-body h2 {
  margin-bottom: var(--space-sm);
}
.split-body p {
  color: var(--ink-2);
}
.split-body .link-arrow {
  margin-top: var(--space-sm);
}

/* ---------- CTA bandı ---------- */
.cta-band {
  position: relative;
  padding-block: var(--space-2xl);
  background: var(--brand-navy-deep);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 90% at 80% 50%, #000, transparent 75%);
}
.cta-band::after {
  content: '';
  position: absolute;
  right: -6rem;
  top: 50%;
  translate: 0 -50%;
  width: 26rem;
  height: 26rem;
  z-index: -1;
  background: radial-gradient(circle, var(--brand-red) 0%, transparent 68%);
  opacity: 0.22;
}
.cta-inner {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}
@media (min-width: 62rem) {
  .cta-inner {
    grid-template-columns: 1.5fr auto;
    gap: var(--space-2xl);
  }
}
.cta-band h2 {
  color: #fff;
  margin-bottom: var(--space-sm);
  max-width: 22ch;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.76);
  max-width: 52ch;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* ---------- Ürün detay düzeni ---------- */
.product-layout {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}
@media (min-width: 68rem) {
  .product-layout {
    grid-template-columns: minmax(0, 1fr) 20rem;
    gap: var(--space-2xl);
  }
}
.product-aside {
  position: sticky;
  top: calc(var(--header-h-scrolled) + var(--space-md));
  display: grid;
  gap: var(--space-md);
}
.aside-card {
  padding: var(--space-md);
  background: var(--surface);
  border: 1px solid var(--line);
}
.aside-card h3 {
  font-size: var(--step-1);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--accent);
}
.aside-card--accent {
  background: var(--brand-navy);
  border-color: var(--brand-navy);
  color: #fff;
}
.aside-card--accent h3 {
  color: #fff;
}
.aside-card--accent p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--step--1);
  margin-bottom: var(--space-md);
}
.aside-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.15rem;
}
.aside-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  transition: color var(--dur-fast), padding-left var(--dur-fast);
}
.aside-list a svg {
  width: 1rem;
  height: 1rem;
  flex: none;
  opacity: 0.5;
  transition: transform var(--dur-fast), opacity var(--dur-fast);
}
.aside-list a:hover {
  color: var(--accent);
  padding-left: 0.35rem;
}
.aside-list a:hover svg {
  transform: translateX(3px);
  opacity: 1;
}
.aside-list a[aria-current='page'] {
  color: var(--accent);
  font-weight: 600;
}
.aside-list li:last-child a {
  border-bottom: 0;
}

.spec-list {
  border: 1px solid var(--line);
  background: var(--surface);
}
.spec-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-size: var(--step--1);
}
@media (min-width: 40rem) {
  .spec-row {
    grid-template-columns: 13rem 1fr;
    gap: var(--space-sm);
  }
}
.spec-row:last-child {
  border-bottom: 0;
}
.spec-row dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 92%;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  font-size: 0.76rem;
  color: var(--ink);
}
.spec-row dd {
  margin: 0;
  color: var(--ink-2);
}

/* ---------- Blog ---------- */
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  font-size: var(--step--1);
  color: var(--ink-3);
}
.post-meta .badge {
  background: var(--accent-soft);
  color: var(--accent);
}
.post-layout {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}
@media (min-width: 68rem) {
  .post-layout {
    grid-template-columns: 16rem minmax(0, 1fr);
    gap: var(--space-2xl);
  }
}
.toc {
  position: sticky;
  top: calc(var(--header-h-scrolled) + var(--space-md));
  display: none;
}
@media (min-width: 68rem) {
  .toc {
    display: block;
  }
}
.toc h2 {
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: var(--space-sm);
  border: 0;
  padding: 0;
}
.toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.1rem;
  border-left: 2px solid var(--line);
}
.toc a {
  display: block;
  padding: 0.4rem 0 0.4rem 0.9rem;
  margin-left: -2px;
  border-left: 2px solid transparent;
  font-size: 0.86rem;
  line-height: 1.4;
  text-decoration: none;
  color: var(--ink-3);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.toc a:hover,
.toc a.is-active {
  color: var(--accent);
  border-left-color: var(--accent);
}
.post-body {
  max-width: 46rem;
}
.post-body > .media {
  margin-bottom: var(--space-lg);
}

/* ---------- Referans projeleri ---------- */
.project {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}
@media (min-width: 48rem) {
  .project {
    grid-template-columns: 18rem 1fr;
  }
}
.project .media {
  aspect-ratio: 4 / 3;
  height: 100%;
}
.project-body {
  padding: var(--space-md);
  display: grid;
  gap: 0.5rem;
  align-content: center;
}
.project-scope {
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.project h3 {
  font-size: var(--step-1);
}
.project p {
  font-size: var(--step--1);
  color: var(--ink-2);
}
.project-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-3);
}

/* ---------- İletişim ---------- */
.contact-layout {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}
@media (min-width: 62rem) {
  .contact-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: var(--space-2xl);
  }
}
.info-list {
  display: grid;
  gap: var(--space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}
.info-item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-sm);
  align-items: start;
}
.info-item svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--accent);
  margin-top: 0.2rem;
}
.info-item dt {
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.2rem;
}
.info-item dd {
  margin: 0;
  display: grid;
  gap: 0.15rem;
}
.info-item a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}
.info-item a:hover {
  color: var(--accent);
}

.map-embed {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  background: var(--bg-2);
  overflow: hidden;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-lg);
}
.map-embed::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--grid-line-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line-strong) 1px, transparent 1px);
  background-size: 32px 32px;
}
.map-embed > * {
  position: relative;
}
.map-pin {
  width: 2.6rem;
  height: 2.6rem;
  color: var(--accent);
  margin-inline: auto;
  margin-bottom: var(--space-sm);
}

/* ---------- Teklif sayfası ---------- */
.quote-layout {
  display: grid;
  gap: var(--space-xl);
  align-items: start;
}
@media (min-width: 62rem) {
  .quote-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-2xl);
  }
}
.step-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-md);
  counter-reset: qs;
}
.step-list li {
  position: relative;
  padding-left: 3.2rem;
  counter-increment: qs;
}
.step-list li::before {
  content: counter(qs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 2.3rem;
  height: 2.3rem;
  border: 2px solid var(--accent);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent);
}
.step-list h3 {
  font-size: var(--step-1);
  margin-bottom: 0.25rem;
}
.step-list p {
  font-size: var(--step--1);
  color: var(--ink-2);
}

/* ---------- Katalog ---------- */
.catalog-card {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
}
@media (min-width: 48rem) {
  .catalog-card {
    grid-template-columns: auto 1fr auto;
  }
}
.catalog-icon {
  width: 4rem;
  height: 4rem;
  color: var(--accent);
}
.catalog-card h3 {
  font-size: var(--step-2);
  margin-bottom: 0.3rem;
}
.catalog-card p {
  color: var(--ink-2);
  font-size: var(--step--1);
}

/* ===== 09-forms.css ===== */
/* ============================================================
   FORMLAR — teklif ve iletişim formu
   Not: gösterim sürümünde form veri göndermez; doğrulama,
   gönderim animasyonu ve başarı ekranı tam çalışır.
   ============================================================ */

.form {
  display: grid;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--line);
}
.form-grid {
  display: grid;
  gap: var(--space-md);
}
@media (min-width: 40rem) {
  .form-grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: grid;
  gap: 0.35rem;
}
.field label {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.field label .req {
  color: var(--accent);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  background: var(--bg);
  border: 1px solid var(--line-strong);
  color: var(--ink);
  font-size: var(--step-0);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast), background-color var(--dur-fast);
  appearance: none;
}
.field textarea {
  min-height: 8.5rem;
  resize: vertical;
  line-height: 1.6;
}
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2379839a' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1.1rem;
  padding-right: 2.6rem;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field input::placeholder,
.field textarea::placeholder {
  color: var(--ink-3);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.field-error {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  min-height: 0;
}
.field:not(.has-error) .field-error {
  display: none;
}

/* Onay kutusu */
.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  align-items: start;
  font-size: var(--step--1);
  color: var(--ink-2);
  line-height: 1.5;
}
.check input[type='checkbox'] {
  appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.1rem;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  cursor: pointer;
  display: grid;
  place-items: center;
  flex: none;
  transition: background-color var(--dur-fast), border-color var(--dur-fast);
}
.check input[type='checkbox']::after {
  content: '';
  width: 0.6rem;
  height: 0.35rem;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) scale(0);
  transition: transform var(--dur-fast) var(--ease-out);
  margin-top: -0.15rem;
}
.check input[type='checkbox']:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.check input[type='checkbox']:checked::after {
  transform: rotate(-45deg) scale(1);
}
.check a {
  color: var(--accent);
}
.check.has-error input[type='checkbox'] {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Gönder düğmesi durumları */
.form-submit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}
.btn.is-loading {
  pointer-events: none;
  opacity: 0.75;
}
.btn .spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 700ms linear infinite;
  display: none;
}
.btn.is-loading .spinner {
  display: block;
}
.btn.is-loading .btn-label-idle {
  display: none;
}
.btn .btn-label-busy {
  display: none;
}
.btn.is-loading .btn-label-busy {
  display: inline;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Başarı ekranı */
.form-success {
  display: none;
  place-items: center;
  text-align: center;
  gap: var(--space-sm);
  padding: var(--space-2xl) var(--space-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 3px solid #16a34a;
}
.form-success.is-visible {
  display: grid;
}
.form.is-hidden {
  display: none;
}
.success-mark {
  width: 3.5rem;
  height: 3.5rem;
  color: #16a34a;
}
.success-mark circle,
.success-mark path {
  stroke-dasharray: 180;
  stroke-dashoffset: 180;
  animation: drawCheck 800ms var(--ease-out) forwards;
}
.success-mark path {
  animation-delay: 260ms;
}
@keyframes drawCheck {
  to {
    stroke-dashoffset: 0;
  }
}
.form-success h3 {
  font-size: var(--step-2);
}
.form-success p {
  color: var(--ink-2);
  max-width: 40ch;
}

/* ===== 10-footer.css ===== */
/* ============================================================
   ALT BİLGİ
   ============================================================ */

.site-footer {
  position: relative;
  background: var(--brand-navy-deep);
  color: rgba(238, 242, 248, 0.72);
  padding-top: var(--space-2xl);
  overflow: hidden;
  isolation: isolate;
}
.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, #000, transparent 60%);
}

.footer-top {
  display: grid;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
}
@media (min-width: 62rem) {
  .footer-top {
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.footer-brand img {
  height: 3rem;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: var(--space-sm);
}
.footer-brand p {
  font-size: var(--step--1);
  line-height: 1.7;
  max-width: 42ch;
  color: rgba(238, 242, 248, 0.68);
  margin-bottom: var(--space-md);
}
.footer-social {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-social a {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.75);
  transition: background-color var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.footer-social svg {
  width: 1.05rem;
  height: 1.05rem;
}

.footer-col h3 {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}
.footer-col a {
  font-size: 0.88rem;
  text-decoration: none;
  color: rgba(238, 242, 248, 0.7);
  transition: color var(--dur-fast), padding-left var(--dur-fast);
  display: inline-block;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 0.3rem;
}

.footer-contact {
  display: grid;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
@media (min-width: 48rem) {
  .footer-contact {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}
.footer-contact dt {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.footer-contact dd {
  margin: 0;
  display: grid;
  gap: 0.2rem;
  font-size: 0.9rem;
  color: rgba(238, 242, 248, 0.82);
}
.footer-contact a {
  text-decoration: none;
  color: inherit;
}
.footer-contact a:hover {
  color: #fff;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-md);
  font-size: 0.8rem;
  color: rgba(238, 242, 248, 0.55);
}
.footer-bottom a {
  color: inherit;
  text-decoration: none;
}
.footer-bottom a:hover {
  color: #fff;
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* ===== 11-motion.css ===== */
/* ============================================================
   HAREKET — ortaya çıkma durumları ve erişilebilirlik
   Tüm animasyonlar transform/opacity üzerinden çalışır (GPU).
   prefers-reduced-motion açıkken tamamı devre dışı kalır.
   ============================================================ */

/* Başlangıç durumları — JS yoksa görünür kalır (no-js güvenliği) */
.js [data-reveal] {
  opacity: 0;
}
.js [data-reveal='up'] {
  transform: translateY(28px);
}
.js [data-reveal='down'] {
  transform: translateY(-24px);
}
.js [data-reveal='left'] {
  transform: translateX(-32px);
}
.js [data-reveal='right'] {
  transform: translateX(32px);
}
.js [data-reveal='scale'] {
  transform: scale(0.94);
}
.js [data-reveal='clip'] {
  opacity: 1;
  clip-path: inset(0 100% 0 0);
}

/* Dar ekranda yatay açılma kullanılmaz: 32px'lik başlangıç kayması
   kapsayıcının dışına taşıyor ve içeriği kırpıyordu. Dikeye çevrilir.
   (main.js'teki GSAP tarafı da aynı eşiği uygular.) */
@media (max-width: 61.99rem) {
  .js [data-reveal='left'],
  .js [data-reveal='right'] {
    transform: translateY(26px);
  }
}

/* GSAP yoksa (yükleme hatası) IntersectionObserver yedeği devreye girer */
.js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
  clip-path: inset(0 0 0 0);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out),
    clip-path 900ms var(--ease-out);
}

/* Kinetik başlık satırları */
.js .hero-title .line > span {
  transform: translateY(135%);
}
.hero-title.is-revealed .line > span {
  transform: translateY(0);
  transition: transform 900ms var(--ease-out);
}
.hero-title.is-revealed .line:nth-child(2) > span {
  transition-delay: 90ms;
}
.hero-title.is-revealed .line:nth-child(3) > span {
  transition-delay: 180ms;
}

/* ============================================================
   HAREKET AZALTMA — kullanıcı tercihi mutlak önceliklidir
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  html {
    scroll-behavior: auto !important;
  }
  .js [data-reveal],
  .js .hero-title .line > span {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
  }
  .marquee-track {
    animation: none !important;
    transform: none !important;
  }
  .hero-media .hero-slide img {
    animation: none !important;
    transform: none !important;
  }
  .hero-scroll .dot {
    animation: none !important;
  }
  .feature.is-revealed .feature-icon svg {
    animation: none !important;
    stroke-dashoffset: 0 !important;
  }
  .success-mark circle,
  .success-mark path {
    stroke-dashoffset: 0 !important;
    animation: none !important;
  }
}

/* Mobilde ağır efektler kapalı */
@media (max-width: 47.99rem) {
  .split-media::before {
    display: none;
  }
}

/* ============================================================
   DAR EKRAN DÜZELTMELERİ (≤ 480px)
   Bu genişliklerde nowrap düğmeler ve geniş dolgular yatay
   taşmaya sebep oluyordu.
   ============================================================ */
@media (max-width: 30rem) {
  .btn {
    white-space: normal;
    text-align: center;
  }
  .btn--lg {
    padding: 1rem 1.15rem;
    font-size: 0.85rem;
  }
  .form {
    padding: var(--space-md);
  }
  .step-list li {
    padding-left: 2.7rem;
  }
  .info-item dd a,
  .footer-contact a,
  .drawer-contact a {
    overflow-wrap: anywhere;
  }
  .hero-badges {
    gap: 0.45rem 1rem;
  }
}

/* Ofset kırmızı çerçeve kapsayıcının dışına taşar; yalnız geniş
   ekranlarda, kenar boşluğu yeterliyken gösterilir. */
@media (max-width: 61.99rem) {
  .split-media::before {
    display: none;
  }
}

/* ============================================================
   YAZDIRMA
   ============================================================ */
@media print {
  .site-header,
  .drawer,
  .floats,
  .scroll-progress,
  .hero-scroll,
  .hero-social,
  .lightbox,
  .toc,
  .marquee,
  .form,
  .cta-band {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }
  .page-body {
    padding-top: 0;
  }
  .hero,
  .page-hero {
    min-height: 0;
    padding-top: 1rem;
    background: #fff !important;
    color: #000 !important;
  }
  .hero-media,
  .page-hero-bg {
    display: none;
  }
  .hero-title,
  .hero-text,
  .page-hero h1,
  .page-hero .lead {
    color: #000 !important;
  }
  a[href^='http']::after {
    content: ' (' attr(href) ')';
    font-size: 9pt;
    color: #555;
  }
  .card,
  .feature,
  .cert,
  .project {
    break-inside: avoid;
    border: 1px solid #ccc;
  }
  h2,
  h3 {
    break-after: avoid;
  }
}