/* ==========================================================================
   ALTUNSU İNŞAAT — Ana Stil Dosyası
   Bölümler: 1) Değişkenler 2) Temel 3) Yardımcılar 4) Butonlar 5) Başlık/Menü
             6) Hero 7) Bölümler 8) Kartlar 9) Projeler 10) Sayaç 11) Süreç
             12) Referanslar 13) SSS 14) CTA 15) Alt Bilgi 16) İç Sayfa
             17) Formlar 18) Animasyon 19) Responsive
   ========================================================================== */

/* ------------------------------ 1. Değişkenler --------------------------- */
:root {
  /* Kurumsal renkler */
  --brand: #f0a500;
  --brand-600: #d18d00;
  --brand-100: #fff4dd;

  --ink: #0d1b2a;
  --ink-2: #16293d;
  --ink-3: #1f3a55;

  --text: #2b3a4a;
  --muted: #64768a;
  --line: #e3e9f0;
  --bg: #ffffff;
  --bg-soft: #f5f7fa;

  --white: #ffffff;

  /* Ölçüler */
  --container: 1200px;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 22px;

  --shadow-sm: 0 2px 8px rgba(13, 27, 42, .06);
  --shadow: 0 10px 30px rgba(13, 27, 42, .08);
  --shadow-lg: 0 24px 60px rgba(13, 27, 42, .14);

  --header-h: 82px;

  /* Tipografi */
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-head: "Archivo", "Inter", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ------------------------------ 2. Temel -------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.18;
  margin: 0 0 .6em;
  font-weight: 700;
  letter-spacing: -.02em;
}

h1 { font-size: clamp(2.1rem, 1.3rem + 3.4vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 1.15rem + 2.2vw, 2.7rem); }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.45rem); }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1rem; }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1rem; padding-left: 1.15rem; }

::selection { background: var(--brand); color: var(--ink); }

:focus-visible {
  outline: 3px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Erişilebilirlik: içeriğe atla */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  background: var(--ink);
  color: #fff;
  padding: 12px 20px;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ------------------------------ 3. Yardımcılar --------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.section { padding: clamp(60px, 7vw, 110px) 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: var(--ink); color: #c8d4e1; }
.section--dark h2,
.section--dark h3 { color: #fff; }

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(34px, 4vw, 60px);
  text-align: center;
}
.section-head--left { margin-inline: 0; text-align: left; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand-600);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--brand);
}
.section--dark .eyebrow { color: var(--brand); }

.lead { font-size: 1.075rem; color: var(--muted); }
.section--dark .lead { color: #a9bacb; }

.text-muted { color: var(--muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li {
  position: relative;
  padding-left: 34px;
  font-weight: 500;
  color: var(--text);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .28em;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23d18d00' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.section--dark .check-list li { color: #d5e0ea; }

/* ------------------------------ 4. Butonlar ------------------------------ */
.btn {
  --btn-bg: var(--brand);
  --btn-color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-head);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--btn-color);
  background: var(--btn-bg);
  border: 2px solid transparent;
  border-radius: 999px;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background-color .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(240, 165, 0, .32); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--dark { --btn-bg: var(--ink); --btn-color: #fff; }
.btn--dark:hover { box-shadow: 0 12px 26px rgba(13, 27, 42, .3); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-color: var(--ink);
  border-color: var(--line);
}
.btn--ghost:hover { border-color: var(--ink); box-shadow: none; }

.btn--light { --btn-bg: #fff; --btn-color: var(--ink); }
.btn--light:hover { box-shadow: 0 12px 26px rgba(0, 0, 0, .25); }

.btn--outline-light {
  --btn-bg: transparent;
  --btn-color: #fff;
  border-color: rgba(255, 255, 255, .35);
}
.btn--outline-light:hover { background: rgba(255, 255, 255, .1); border-color: #fff; box-shadow: none; }

.btn--lg { padding: 17px 36px; font-size: 1rem; }
.btn--block { width: 100%; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  color: var(--ink);
}
.link-arrow svg { width: 16px; height: 16px; transition: transform .25s var(--ease); }
.link-arrow:hover { color: var(--brand-600); }
.link-arrow:hover svg { transform: translateX(5px); }

/* ------------------------------ 5. Başlık / Menü ------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  transition: box-shadow .3s var(--ease);
}
.site-header.is-stuck { box-shadow: 0 6px 24px rgba(13, 27, 42, .1); }
/* Mobil menü açıkken başlık, karartma katmanının üzerinde kalmalı */
body.nav-open .site-header { z-index: 130; }

.topbar {
  background: var(--ink);
  color: #a9bacb;
  font-size: .86rem;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 44px;
  flex-wrap: wrap;
}
.topbar__items { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.topbar a { display: inline-flex; align-items: center; gap: 8px; transition: color .2s; }
.topbar a:hover { color: var(--brand); }
.topbar svg { width: 15px; height: 15px; color: var(--brand); flex: none; }
.topbar__social { display: flex; gap: 6px; }
.topbar__social a {
  width: 30px;
  height: 30px;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.topbar__social a:hover { background: var(--brand); color: var(--ink); }
.topbar__social svg { width: 14px; height: 14px; color: currentColor; }

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  min-height: var(--header-h);
}
.brand { display: inline-flex; align-items: center; flex: none; }
.brand img { height: 46px; width: auto; }

.nav__menu { margin-left: auto; }
.nav__menu > ul {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__menu a {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .96rem;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color .2s, background-color .2s;
}
.nav__menu a:hover { color: var(--brand-600); background: var(--bg-soft); }
.nav__menu a.is-active { color: var(--brand-600); }
.nav__menu a.is-active::after {
  content: "";
  display: block;
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--brand);
  margin: 3px auto 0;
}

.nav__cta { flex: none; }

.nav__toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
  place-items: center;
  flex: none;
}
.nav__toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav__toggle span + span { margin-top: 5px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------ 6. Hero --------------------------------- */
.hero {
  position: relative;
  color: #fff;
  background: var(--ink);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: url("../img/hero.svg") center / cover no-repeat;
  opacity: .5;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(13, 27, 42, .95) 0%, rgba(13, 27, 42, .82) 45%, rgba(13, 27, 42, .5) 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  padding: clamp(70px, 9vw, 140px) 0 clamp(60px, 7vw, 110px);
  max-width: 760px;
}
.hero h1 { color: #fff; margin-bottom: .35em; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero__text {
  font-size: 1.12rem;
  color: #c5d2df;
  max-width: 600px;
  margin-bottom: 34px;
}
.hero .eyebrow { color: var(--brand); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: -60px;
  box-shadow: var(--shadow-lg);
}
.hero__stat {
  background: rgba(255, 255, 255, .97);
  padding: 26px 24px;
  text-align: center;
}
.hero__stat b {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 800;
  color: var(--ink);
  line-height: 1;
}
.hero__stat > span {
  display: block;
  margin-top: 6px;
  font-size: .88rem;
  color: var(--muted);
  font-weight: 500;
}
.hero + .section { padding-top: clamp(100px, 11vw, 160px); }

/* ------------------------------ 7. Bölüm parçaları ----------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 70px);
  align-items: center;
}
.split__media { position: relative; }
.split__media img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.split__badge {
  position: absolute;
  right: -16px;
  bottom: -22px;
  background: var(--brand);
  color: var(--ink);
  padding: 20px 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  text-align: center;
  max-width: 200px;
}
.split__badge b {
  display: block;
  font-family: var(--font-head);
  font-size: 2.1rem;
  font-weight: 800;
  line-height: 1;
}
.split__badge span { font-size: .85rem; font-weight: 600; }

/* ------------------------------ 8. Kartlar ------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  height: 100%;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.card__icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--brand-100);
  color: var(--brand-600);
  margin-bottom: 20px;
}
.card__icon svg { width: 28px; height: 28px; }
.card h3 { margin-bottom: .45em; }
.card p { color: var(--muted); font-size: .97rem; }
.card__link { margin-top: 18px; display: inline-flex; }

/* Hizmet kartı (görselli) */
.service-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  min-height: 340px;
  display: flex;
  align-items: flex-end;
  isolation: isolate;
}
.service-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: transform .6s var(--ease);
}
.service-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to top, rgba(13, 27, 42, .94) 12%, rgba(13, 27, 42, .35) 62%, rgba(13, 27, 42, .1) 100%);
}
.service-card:hover img { transform: scale(1.07); }
.service-card__body { padding: 28px; color: #fff; }
.service-card__body h3 { color: #fff; margin-bottom: .35em; }
.service-card__body p { color: #bfcddb; font-size: .95rem; margin-bottom: 14px; }
.service-card__body .link-arrow { color: var(--brand); }

/* Özellik satırı */
.feature {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.feature__icon {
  flex: none;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--brand);
  color: var(--ink);
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h4 { margin-bottom: .2em; }
.feature p { color: var(--muted); font-size: .95rem; margin: 0; }
.section--dark .feature p { color: #a9bacb; }
.section--dark .feature h4 { color: #fff; }

/* ------------------------------ 9. Projeler ------------------------------ */
.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 38px;
}
.filters button {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .92rem;
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .25s var(--ease);
}
.filters button:hover { border-color: var(--brand); color: var(--brand-600); }
.filters button.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.project {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
  aspect-ratio: 4 / 3;
  isolation: isolate;
}
.project img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .7s var(--ease);
}
.project::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 27, 42, .93) 8%, rgba(13, 27, 42, .25) 55%, transparent 85%);
  transition: opacity .35s;
}
.project:hover img { transform: scale(1.08); }
.project__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 26px;
  color: #fff;
  transform: translateY(8px);
  transition: transform .35s var(--ease);
}
.project:hover .project__body { transform: translateY(0); }
.project__tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--brand);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.project__body h3 { color: #fff; margin: 0 0 4px; font-size: 1.25rem; }
.project__meta { font-size: .88rem; color: #bcccdb; margin: 0; }
.project.is-hidden { display: none; }

/* ------------------------------ 10. Sayaç -------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.stat b {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 1.5rem + 2.4vw, 3.4rem);
  font-weight: 800;
  color: var(--brand);
  line-height: 1;
}
.stat > span { display: block; margin-top: 10px; color: #c8d4e1; font-weight: 500; }

/* ------------------------------ 11. Süreç -------------------------------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.step { position: relative; padding-top: 14px; }
.step__num {
  font-family: var(--font-head);
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1;
  color: var(--brand);
  opacity: .35;
  margin-bottom: 8px;
}
.step h3 { margin-bottom: .35em; }
.step p { color: var(--muted); font-size: .95rem; }
.step::before {
  content: "";
  position: absolute;
  top: 34px;
  left: 78px;
  right: -26px;
  height: 2px;
  background: repeating-linear-gradient(to right, var(--line) 0 8px, transparent 8px 16px);
}
.process .step:last-child::before { display: none; }

/* ------------------------------ 12. Referanslar -------------------------- */
.quote {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.quote__stars { color: var(--brand); letter-spacing: 3px; margin-bottom: 14px; font-size: 1rem; }
.quote p { font-size: 1rem; color: var(--text); flex: 1; }
.quote__author { display: flex; align-items: center; gap: 14px; margin-top: 22px; }
.quote__avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-family: var(--font-head);
  font-weight: 700;
  flex: none;
}
.quote__author b { display: block; font-family: var(--font-head); color: var(--ink); font-size: .98rem; }
.quote__author span { font-size: .85rem; color: var(--muted); }

/* Logo şeridi */
.logos {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  align-items: center;
}
.logos div {
  display: grid;
  place-items: center;
  padding: 18px 10px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--muted);
  font-size: .92rem;
  text-align: center;
  transition: color .25s, border-color .25s;
}
.logos div:hover { color: var(--ink); border-color: var(--brand); }

/* ------------------------------ 13. SSS --------------------------------- */
.faq { max-width: 860px; margin-inline: auto; display: grid; gap: 14px; }
.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow: hidden;
}
.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
  padding: 20px 24px;
  font-family: var(--font-head);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--ink);
  background: none;
  border: 0;
  cursor: pointer;
}
.faq__q::after {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  border-right: 2px solid var(--brand-600);
  border-bottom: 2px solid var(--brand-600);
  transform: rotate(45deg) translate(-3px, -3px);
  transition: transform .3s var(--ease);
}
.faq__item.is-open .faq__q::after { transform: rotate(-135deg) translate(-3px, -3px); }
.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s var(--ease);
}
.faq__item.is-open .faq__a { grid-template-rows: 1fr; }
.faq__a > div { overflow: hidden; }
.faq__a p { padding: 0 24px 22px; color: var(--muted); margin: 0; }

/* ------------------------------ 14. CTA ---------------------------------- */
.cta {
  position: relative;
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: clamp(38px, 5vw, 64px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 165, 0, .28), transparent 65%);
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; margin-bottom: .3em; }
.cta p { color: #b9c7d5; margin: 0; max-width: 560px; }
.cta__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ------------------------------ 15. Alt Bilgi ---------------------------- */
.site-footer { background: var(--ink); color: #a3b4c6; padding-top: 70px; font-size: .95rem; }
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 40px;
  padding-bottom: 50px;
}
.site-footer h4 {
  color: #fff;
  font-size: 1.02rem;
  margin-bottom: 20px;
  letter-spacing: .01em;
}
.footer__brand img { height: 48px; margin-bottom: 20px; }
.footer__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.footer__list a { transition: color .2s, padding-left .2s; }
.footer__list a:hover { color: var(--brand); padding-left: 5px; }
.footer__contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 15px; }
.footer__contact li { display: flex; gap: 12px; align-items: flex-start; }
.footer__contact svg { width: 18px; height: 18px; color: var(--brand); flex: none; margin-top: 4px; }
.footer__contact a:hover { color: var(--brand); }

.social { display: flex; gap: 10px; margin-top: 22px; }
.social a {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, .07);
  transition: background-color .25s, color .25s, transform .25s;
}
.social a:hover { background: var(--brand); color: var(--ink); transform: translateY(-3px); }
.social svg { width: 18px; height: 18px; }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .88rem;
}
.footer__bottom a:hover { color: var(--brand); }

/* Yukarı çık */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 14px;
  background: var(--brand);
  color: var(--ink);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s var(--ease);
  box-shadow: var(--shadow);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top svg { width: 20px; height: 20px; }

/* WhatsApp hızlı erişim */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 82px;
  z-index: 90;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #25d366;
  color: #fff;
  box-shadow: var(--shadow);
  transition: transform .25s var(--ease);
}
.wa-float:hover { transform: translateY(-3px); }
.wa-float svg { width: 24px; height: 24px; }

/* ------------------------------ 16. İç Sayfa ----------------------------- */
.page-hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: clamp(52px, 6vw, 90px) 0;
  overflow: hidden;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  background: url("../img/hero.svg") center / cover no-repeat;
  opacity: .28;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(13, 27, 42, .95), rgba(13, 27, 42, .7));
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-bottom: .25em; }
.page-hero p { color: #bccbd9; max-width: 620px; margin: 0; }

.breadcrumb {
  display: flex;
  gap: 10px;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0 0 18px;
  font-size: .88rem;
  color: #93a6ba;
  flex-wrap: wrap;
}
.breadcrumb li + li::before { content: "/"; margin-right: 10px; color: #64798f; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb [aria-current] { color: var(--brand); }

/* Bilgi kutusu */
.info-box {
  background: var(--bg-soft);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius-sm);
  padding: 24px 26px;
}

/* İletişim kartları */
.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
  height: 100%;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.contact-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.contact-card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--brand);
}
.contact-card__icon svg { width: 24px; height: 24px; }
.contact-card h3 { font-size: 1.08rem; margin-bottom: .35em; }
.contact-card p { color: var(--muted); font-size: .96rem; margin: 0; }
.contact-card a:hover { color: var(--brand-600); }

.map-embed {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  line-height: 0;
  box-shadow: var(--shadow-sm);
}
.map-embed iframe { width: 100%; height: 420px; border: 0; }

/* ------------------------------ 17. Formlar ------------------------------ */
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 3.5vw, 42px);
  box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-head);
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink);
}
.field label .req { color: #d93025; }
.field input,
.field select,
.field textarea {
  font-family: inherit;
  font-size: .98rem;
  color: var(--text);
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 140px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 0;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(240, 165, 0, .16);
}
.field .error-msg { font-size: .84rem; color: #d93025; display: none; }
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #d93025; }
.field.has-error .error-msg { display: block; }

.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: .9rem;
  color: var(--muted);
}
.consent input { width: 18px; height: 18px; margin-top: 3px; flex: none; accent-color: var(--brand); }
.consent a { color: var(--ink); text-decoration: underline; }

/* Bal küpü (spam tuzağı) — ekranda görünmez */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.alert {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: .96rem;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.alert svg { width: 20px; height: 20px; flex: none; margin-top: 2px; }
.alert[hidden] { display: none; }
.alert--success { background: #e8f6ed; color: #14663a; border: 1px solid #b7e2c8; }
.alert--error { background: #fdecea; color: #93231b; border: 1px solid #f5c3bd; }

/* Yasal metin sayfaları */
.prose { max-width: 820px; }
.prose h2 { margin-top: 2em; font-size: 1.5rem; }
.prose h2:first-child { margin-top: 0; }
.prose li { margin-bottom: .5em; }

/* ------------------------------ 18. Animasyon ---------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ------------------------------ 19. Responsive --------------------------- */
@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .logos { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
  .nav__toggle { display: grid; margin-left: auto; position: relative; z-index: 140; }
  .nav__cta { display: none; }

  .nav__menu {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(330px, 86vw);
    background: #fff;
    padding: 90px 24px 30px;
    box-shadow: -12px 0 40px rgba(13, 27, 42, .18);
    transform: translateX(100%);
    transition: transform .35s var(--ease);
    overflow-y: auto;
    z-index: 120;
  }
  .nav__menu.is-open { transform: translateX(0); }
  .nav__menu > ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav__menu a { padding: 14px 16px; font-size: 1.05rem; border-radius: var(--radius-sm); }
  .nav__menu a.is-active::after { display: none; }
  .nav__menu a.is-active { background: var(--brand-100); }

  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(13, 27, 42, .5);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s;
    z-index: 110;
  }
  .nav-backdrop.is-open { opacity: 1; visibility: visible; }

  .grid-3, .grid-4, .process, .stats { grid-template-columns: repeat(2, 1fr); }
  .step::before { display: none; }
  .split { grid-template-columns: 1fr; }
  .split__media { order: -1; }
  .split__badge { right: 12px; bottom: -18px; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 70px; }
  .topbar__items { gap: 16px; }
  .topbar__social { display: none; }
  .brand img { height: 40px; }
  .cta { text-align: center; justify-content: center; }
  .cta p { margin-inline: auto; }
  .cta__actions { justify-content: center; width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .footer__bottom { justify-content: center; text-align: center; }
}

@media (max-width: 560px) {
  .grid-2, .grid-3, .grid-4, .process, .stats, .footer__grid { grid-template-columns: 1fr; }
  .logos { grid-template-columns: repeat(2, 1fr); }
  .hero__stats { grid-template-columns: 1fr 1fr; margin-bottom: -40px; }
  .hero__stat { padding: 20px 14px; }
  .hero__stat b { font-size: 1.5rem; }
  .hero__stat > span { font-size: .8rem; }
  .hero__actions .btn { width: 100%; }
  .topbar__items { justify-content: center; width: 100%; }
  .topbar__inner { justify-content: center; }
}

/* ------------------------------ Yazdırma --------------------------------- */
@media print {
  .site-header, .site-footer, .to-top, .wa-float, .cta, .filters { display: none !important; }
  body { color: #000; }
  .reveal { opacity: 1; transform: none; }
}