/* =========================================================
   Tez Yapı Grup — stil dosyası
   Renkler: antrasit, beton, baret sarısı
   Tipografi: Archivo (değişken genişlik)
   ========================================================= */

:root {
  --ink: #22252A;
  --ink-soft: #4A4E55;
  --concrete: #E8E6E1;
  --concrete-deep: #D9D6CF;
  --paper: #F6F5F2;
  --hardhat: #F2B705;
  --hardhat-deep: #C99700;
  --line: rgba(34, 37, 42, 0.16);

  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(64px, 8vw, 112px);
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  font-variation-settings: "wdth" 100;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }
h1, h2, h3 { margin: 0; line-height: 1.1; font-weight: 700; }

.container {
  width: min(var(--container), 100% - 2 * var(--gutter));
  margin-inline: auto;
}

:focus-visible { outline: 3px solid var(--hardhat); outline-offset: 3px; }

.skip-link {
  position: absolute; left: 12px; top: -60px;
  background: var(--ink); color: #fff; padding: 10px 16px; z-index: 100;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 28px;
  font: inherit; font-weight: 600; font-size: 16px;
  text-decoration: none; cursor: pointer;
  border: 2px solid var(--ink);
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--hardhat); border-color: var(--hardhat); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246, 245, 242, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 32px; height: 32px; color: var(--ink); }
.brand-name {
  font-weight: 800; font-size: 20px; letter-spacing: -0.01em;
  font-variation-settings: "wdth" 112;
}
.brand-name em { font-style: normal; font-weight: 400; }

.site-nav { display: flex; align-items: center; gap: 32px; }
.site-nav a {
  text-decoration: none; font-weight: 500; font-size: 15px;
  padding: 6px 0; border-bottom: 2px solid transparent;
  transition: border-color .18s ease;
}
.site-nav a:hover, .site-nav a.active { border-bottom-color: var(--hardhat); }
.site-nav .nav-cta {
  border: 2px solid var(--ink); padding: 10px 18px;
}
.site-nav .nav-cta.active { background: var(--ink); color: #fff; }
.site-nav .nav-cta:hover { background: var(--ink); color: #fff; }

.menu-toggle {
  display: none; width: 44px; height: 44px; padding: 10px;
  background: none; border: 0; cursor: pointer; flex-direction: column; justify-content: center; gap: 6px;
}
.menu-toggle span { display: block; height: 2px; background: var(--ink); transition: transform .2s ease; }
.menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--concrete);
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 90%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 90%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding-top: clamp(64px, 9vw, 128px);
  padding-bottom: clamp(56px, 8vw, 112px);
}
.hero-kicker {
  margin: 0; font-size: 15px; font-weight: 500; color: var(--ink-soft);
}
.hero-title {
  font-size: clamp(44px, 9.5vw, 128px);
  line-height: 0.92;
  overflow-wrap: anywhere;
  letter-spacing: -0.03em;
  font-weight: 800;
  font-variation-settings: "wdth" 118;
  text-wrap: balance;
}
.hero-title .line { display: block; }
@media (max-width: 480px) { .hero-title { font-variation-settings: "wdth" 100; } }
.hero-title .line:last-child {
  color: var(--ink);
  background: linear-gradient(transparent 55%, var(--hardhat) 55%, var(--hardhat) 92%, transparent 92%);
  display: inline-block; padding-right: .08em;
}
.hero-side {
  display: grid; gap: 28px; max-width: 560px;
}
.hero-lead { font-size: clamp(16px, 1.3vw, 18px); line-height: 1.5; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-strip {
  position: relative;
  background: var(--ink); color: var(--paper);
}
.strip-inner {
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.strip-item {
  padding: 22px 0;
  display: flex; flex-direction: column; gap: 2px;
  border-left: 1px solid rgba(255,255,255,.14);
  padding-left: 20px;
}
.strip-item:first-child { border-left: 0; padding-left: 0; }
.strip-item strong {
  font-size: clamp(20px, 2vw, 26px); font-weight: 700; letter-spacing: -0.02em;
  font-variation-settings: "wdth" 110;
}
.strip-item span { font-size: 14px; opacity: .75; }

/* ---------- Bölüm ortak ---------- */
.section { padding-block: var(--section); }
.section-title {
  font-size: clamp(26px, 2.8vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  font-variation-settings: "wdth" 108;
  text-wrap: balance;
  max-width: 20ch;
}
.section-head {
  display: grid; gap: 20px; margin-bottom: clamp(40px, 5vw, 64px);
  grid-template-columns: 1fr;
}
.section-intro { font-size: 16px; color: var(--ink-soft); max-width: 52ch; margin: 0; }
@media (min-width: 900px) {
  .section-head { grid-template-columns: 1fr 1fr; align-items: end; }
  .section-head .section-intro { justify-self: end; }
}

/* ---------- Placeholder fotoğraflar ----------
   Gerçek fotoğraflar eklendiğinde bu div'ler <img> ile değiştirilir. */
.placeholder-photo {
  width: 100%; aspect-ratio: 4 / 3;
  background-color: var(--concrete-deep);
  background-image:
    repeating-linear-gradient(135deg, rgba(34,37,42,.06) 0 2px, transparent 2px 14px);
  position: relative; overflow: hidden;
}
.placeholder-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(34,37,42,.35), transparent 60%);
}
.ph-1 { background-color: #C9C4B8; }
.ph-2 { background-color: #B8B3A7; aspect-ratio: 16 / 10; }
.ph-3 { background-color: #CFCBC2; }
.ph-4 { background-color: #A8ACB0; }
.ph-5 { background-color: #C4BFB3; }
.ph-6 { background-color: #B3B7BA; }

/* ---------- Hakkımızda ---------- */
.about-inner {
  display: grid; gap: 48px; grid-template-columns: 1fr;
}
.about-media { margin: 0; }
.media-caption { font-size: 14px; color: var(--ink-soft); margin-top: 10px; }
.about-text .section-title { margin-bottom: 28px; }
.about-text p { max-width: 60ch; }
.about-facts {
  margin: 36px 0 0; padding: 0;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--line);
}
.about-facts div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.about-facts div:nth-child(odd) { padding-right: 20px; }
.about-facts dt { font-size: 13px; color: var(--ink-soft); margin-bottom: 4px; }
.about-facts dd { margin: 0; font-weight: 600; }
@media (min-width: 900px) {
  .about-inner { grid-template-columns: 5fr 6fr; gap: 80px; align-items: start; }
  .about-media { position: sticky; top: calc(var(--header-h) + 32px); }
}

/* ---------- Hizmetler (satır listesi) ---------- */
.services { background: var(--concrete); }
.service-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.service-row {
  display: grid; gap: 12px;
  grid-template-columns: 1fr;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .2s ease;
}
.service-row h3, .service-row h2 {
  font-size: clamp(19px, 1.7vw, 22px);
  letter-spacing: -0.02em;
  font-variation-settings: "wdth" 106;
}
.service-desc p { margin: 0; color: var(--ink-soft); max-width: 58ch; }
.service-meta { font-size: 14px; color: var(--ink-soft); }
@media (min-width: 900px) {
  .service-row { grid-template-columns: 4fr 6fr 2fr; gap: 40px; align-items: start; }
  .service-meta { text-align: right; padding-top: 6px; }
  .service-row:hover { padding-left: 16px; border-left: 4px solid var(--hardhat); }
}

/* ---------- Projeler ---------- */
.project-grid {
  display: grid; gap: 32px 24px;
  grid-template-columns: 1fr;
}
.project { display: flex; flex-direction: column; gap: 16px; }
.project-info h3 {
  font-size: 19px; letter-spacing: -0.015em; margin-bottom: 6px;
  font-variation-settings: "wdth" 106;
}
.project-info p { margin: 0 0 8px; color: var(--ink-soft); }
.project-tag { font-size: 14px; color: var(--ink-soft); }
@media (min-width: 640px) {
  .project-grid { grid-template-columns: 1fr 1fr; }
  .project-lg { grid-column: 1 / -1; }
}
@media (min-width: 1000px) {
  .project-grid { grid-template-columns: repeat(4, 1fr); }
  .project-lg { grid-column: span 2; grid-row: span 2; }
  .project-lg .placeholder-photo { aspect-ratio: auto; flex: 1; min-height: 360px; }
  .project-lg .project-info h3 { font-size: 24px; }
}

/* ---------- Süreç ---------- */
.process { background: var(--ink); color: var(--paper); }
.process-inner { display: grid; gap: 56px; }
.process .section-intro { color: rgba(246,245,242,.7); }
.process-steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 0;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(255,255,255,.18);
}
.process-steps li {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,.18);
  display: grid; grid-template-columns: 56px 1fr; gap: 8px 16px;
}
.step-no {
  grid-row: span 2;
  font-size: 32px; font-weight: 800; line-height: 1;
  color: var(--hardhat);
  font-variation-settings: "wdth" 120;
}
.process-steps h3 { font-size: 18px; letter-spacing: -0.01em; }
.process-steps p { margin: 0; color: rgba(246,245,242,.72); font-size: 16px; max-width: 40ch; }
@media (min-width: 900px) {
  .process-inner { grid-template-columns: 4fr 8fr; gap: 80px; align-items: start; }
  .process-head { position: sticky; top: calc(var(--header-h) + 32px); }
}

/* ---------- İletişim ---------- */
.contact-inner { display: grid; gap: 56px; grid-template-columns: 1fr; }
.contact-text .section-title { margin-bottom: 20px; }
.contact-text > p { color: var(--ink-soft); max-width: 48ch; }
.contact-details {
  font-style: normal; margin-top: 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px 32px;
}
.contact-details > div { display: grid; gap: 4px; }
.contact-details a { text-decoration: none; font-weight: 600; }
.contact-details a:hover { text-decoration: underline; text-decoration-color: var(--hardhat); text-decoration-thickness: 2px; }
.detail-label { font-size: 13px; color: var(--ink-soft); }

.contact-form {
  background: var(--concrete); padding: clamp(24px, 3vw, 40px);
  display: grid; gap: 20px;
  border-top: 4px solid var(--ink);
}
.field { display: grid; gap: 8px; }
.field-row { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 0; width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px var(--hardhat);
}
.field input.invalid { border-color: #B3261E; }
.form-status { margin: 0; font-size: 15px; min-height: 1.5em; }
.form-status.ok { color: #1F6B3A; font-weight: 600; }
.form-status.err { color: #B3261E; }
@media (min-width: 900px) {
  .contact-inner { grid-template-columns: 5fr 6fr; gap: 80px; align-items: start; }
}

/* ---------- Mobil menü ---------- */
@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .site-nav {
    position: absolute; left: 0; right: 0; top: var(--header-h);
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 20px;
    display: none;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
  .site-nav a:hover { border-bottom-color: var(--line); }
  .site-nav .nav-cta { margin-top: 12px; border: 2px solid var(--ink); text-align: center; }
  .strip-inner { grid-template-columns: 1fr 1fr; }
  .strip-item { padding: 18px 0 18px 16px; }
  .strip-item:nth-child(odd) { border-left: 0; padding-left: 0; }
  .strip-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.14); }
}
@media (max-width: 480px) {
  .contact-details, .about-facts { grid-template-columns: 1fr; }
  .about-facts div:nth-child(odd) { padding-right: 0; }
}

/* ---------- Sayfa yüklenme: hero başlığı tek seferlik ---------- */
@keyframes rise {
  from { transform: translateY(0.35em); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}
.hero-title .line { animation: rise .7s cubic-bezier(.2,.7,.2,1) both; }
.hero-title .line:nth-child(2) { animation-delay: .08s; }
.hero-title .line:nth-child(3) { animation-delay: .16s; }

/* ---------- Metin bağlantısı ---------- */
.text-link {
  display: inline-block; margin-top: 8px;
  font-weight: 600; text-decoration: none;
  border-bottom: 2px solid var(--hardhat); padding-bottom: 2px;
}
.text-link:hover { border-bottom-color: var(--ink); }
.section .text-link { margin-top: 40px; }

/* ---------- Alt sayfa başlık bandı ---------- */
.page-head { position: relative; background: var(--concrete); overflow: hidden; }
.page-head-inner {
  position: relative;
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(48px, 7vw, 96px);
  display: grid; gap: 20px;
}
.breadcrumb { font-size: 14px; color: var(--ink-soft); display: flex; gap: 10px; }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.page-title {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 0.98; letter-spacing: -0.03em; font-weight: 800;
  font-variation-settings: "wdth" 116;
}
.page-intro { font-size: clamp(16px, 1.3vw, 18px); max-width: 60ch; margin: 0; color: var(--ink-soft); }

/* ---------- Alt menü (sayfa içi) ---------- */
.subnav {
  display: flex; flex-wrap: wrap; gap: 8px 28px;
  padding-bottom: 20px; margin-bottom: clamp(40px, 5vw, 72px);
  border-bottom: 2px solid var(--ink);
}
.subnav a { text-decoration: none; font-weight: 600; font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; }
.subnav a:hover { border-bottom-color: var(--hardhat); }

/* ---------- Grup şirketleri: ana sayfa listesi ---------- */
.company-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.company-row {
  display: grid; gap: 8px; grid-template-columns: 1fr;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.company-row h3 { font-size: clamp(19px, 1.7vw, 22px); letter-spacing: -0.02em; font-variation-settings: "wdth" 106; }
.company-row p { margin: 0; color: var(--ink-soft); max-width: 58ch; }
.company-meta { font-size: 14px; color: var(--ink-soft); }
@media (min-width: 900px) {
  .company-row { grid-template-columns: 4fr 6fr 2fr; gap: 40px; align-items: start; }
  .company-meta { text-align: right; padding-top: 6px; }
}

/* ---------- Grup şirketleri: detay ---------- */
.company-detail {
  display: grid; gap: 32px; grid-template-columns: 1fr;
  padding-block: clamp(40px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.company-detail:last-of-type { border-bottom: 0; }
.company-year { font-size: 14px; color: var(--ink-soft); display: block; margin-bottom: 12px; }
.company-body .section-title { margin-bottom: 16px; }
.company-lead { font-size: 17px; font-weight: 500; max-width: 50ch; }
.company-body > p:not(.company-lead) { color: var(--ink-soft); max-width: 60ch; }
.company-foot { display: grid; gap: 24px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.tag-list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tag-list li { font-size: 14px; padding: 6px 12px; border: 1px solid var(--ink); }
.company-stat { display: flex; flex-direction: column; }
.company-stat strong { font-size: 26px; letter-spacing: -0.02em; font-variation-settings: "wdth" 110; line-height: 1; }
.company-stat span { font-size: 14px; color: var(--ink-soft); margin-top: 4px; }
@media (min-width: 900px) {
  .company-detail { grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
  .company-detail.reverse .company-media { order: 2; }
  .company-media { position: sticky; top: calc(var(--header-h) + 32px); }
  .company-foot { grid-template-columns: 1fr auto; align-items: end; }
}

/* ---------- Sinerji (koyu) ---------- */
.synergy { background: var(--ink); color: var(--paper); }
.synergy-inner { display: grid; gap: 56px; }
.synergy .section-intro { color: rgba(246,245,242,.7); }
@media (min-width: 900px) {
  .synergy-inner { grid-template-columns: 4fr 8fr; gap: 80px; align-items: start; }
}

/* ---------- Tarihçe ---------- */
.timeline-section { background: var(--concrete); }
.timeline { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.timeline li {
  display: grid; grid-template-columns: 88px 1fr; gap: 20px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
}
.tl-year { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; font-variation-settings: "wdth" 116; line-height: 1.2; }
.timeline h3 { font-size: 18px; margin-bottom: 6px; }
.timeline p { margin: 0; color: var(--ink-soft); max-width: 60ch; }
@media (min-width: 900px) {
  .timeline li { grid-template-columns: 160px 1fr; gap: 40px; }
  .tl-year { font-size: 28px; }
}

/* ---------- Değerler ---------- */
.values-grid { display: grid; gap: 40px; grid-template-columns: 1fr; }
.value-block h3 { font-size: 19px; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 2px solid var(--hardhat); display: inline-block; }
.value-block p { color: var(--ink-soft); margin: 0; }
.plain-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.plain-list li { color: var(--ink-soft); }
.plain-list strong { color: var(--ink); }
@media (min-width: 900px) { .values-grid { grid-template-columns: 1fr 1fr 1.4fr; gap: 56px; } }

/* ---------- Yönetim ---------- */
.team { background: var(--concrete); }
.team-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 32px 24px; grid-template-columns: 1fr 1fr; }
.team-grid h3 { font-size: 18px; margin-top: 14px; }
.team-grid span { font-size: 14px; color: var(--ink-soft); display: block; margin-top: 4px; }
.ph-portrait { aspect-ratio: 3 / 4; background-color: #BFBBB2; }
@media (min-width: 900px) { .team-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Belgeler ---------- */
.certs-inner { display: grid; gap: 40px; grid-template-columns: 1fr; }
.cert-list { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.cert-list li { display: grid; gap: 4px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.cert-list span { font-size: 14px; color: var(--ink-soft); }
@media (min-width: 900px) {
  .certs-inner { grid-template-columns: 4fr 8fr; gap: 80px; align-items: start; }
  .cert-list li { grid-template-columns: 1fr 1fr; }
}

/* ---------- Hizmet satırında şirket adı ---------- */
.service-company { font-size: 14px; color: var(--ink-soft); display: block; margin-top: 6px; }

/* ---------- Projeler: filtre ---------- */
.filter-bar { display: grid; gap: 16px; margin-bottom: clamp(32px, 4vw, 48px); }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn {
  font: inherit; font-size: 14px; font-weight: 600;
  padding: 8px 14px; background: transparent; color: var(--ink);
  border: 1px solid var(--line); cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}
.filter-btn:hover { border-color: var(--ink); }
.filter-btn.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }
.project-grid-full { grid-template-columns: 1fr; }
@media (min-width: 640px) { .project-grid-full { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .project-grid-full { grid-template-columns: repeat(3, 1fr); } }
.project.is-hidden { display: none; }
.project-grid-full .placeholder-photo { aspect-ratio: 4 / 3; }
.badge {
  position: absolute; top: 12px; left: 12px; z-index: 1;
  background: var(--hardhat); color: var(--ink);
  font-size: 12px; font-weight: 700; padding: 4px 8px;
}
.empty-note { color: var(--ink-soft); padding: 40px 0; text-align: center; }

/* ---------- Kariyer ---------- */
.benefit-list { margin-top: 28px; gap: 16px; }
.benefit-list li { max-width: 60ch; }

/* ---------- İletişim ek ---------- */
.sub-title { font-size: 20px; margin: 48px 0 16px; }
.office-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.office-list li { display: grid; gap: 2px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.office-list span { color: var(--ink-soft); }
.office-list a { text-decoration: none; font-weight: 500; }
.office-list a:hover { text-decoration: underline; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.map-section { background: var(--concrete); }
.map-placeholder {
  height: 360px; display: grid; place-items: center;
  color: var(--ink-soft); font-size: 14px;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 40px 40px;
}
.map-section iframe { display: block; width: 100%; height: 420px; border: 0; }

/* ---------- CTA bandı ---------- */
.cta-band { background: var(--hardhat); color: var(--ink); padding-block: clamp(40px, 5vw, 64px); }
.cta-inner { display: grid; gap: 24px; align-items: center; }
.cta-inner h2 { font-size: clamp(22px, 2.4vw, 30px); letter-spacing: -0.025em; font-variation-settings: "wdth" 108; max-width: 22ch; }
.cta-band .btn-primary:hover { background: var(--paper); border-color: var(--ink); }
@media (min-width: 800px) { .cta-inner { grid-template-columns: 1fr auto; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: rgba(246,245,242,.72); font-size: 14px; }
.footer-top {
  display: grid; gap: 36px; grid-template-columns: 1fr;
  padding-block: clamp(48px, 6vw, 72px);
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.footer-brand .brand-name { color: var(--paper); font-size: 20px; display: block; margin-bottom: 12px; }
.footer-brand p { margin: 0; max-width: 40ch; }
.footer-col { display: grid; gap: 10px; align-content: start; }
.footer-col h4 { margin: 0 0 4px; color: var(--paper); font-size: 15px; }
.footer-col a { text-decoration: none; }
.footer-col a:hover { color: var(--paper); text-decoration: underline; text-decoration-color: var(--hardhat); }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; padding-block: 24px; }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { text-decoration: none; }
.footer-legal a:hover { color: var(--paper); }
@media (min-width: 900px) { .footer-top { grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; } }

/* ---------- Gerçek fotoğraflar ---------- */
.project-photo { width: 100%; aspect-ratio: 4 / 3; overflow: hidden; background: var(--concrete-deep); }
.project-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-lg .project-photo { aspect-ratio: auto; flex: 1; min-height: 360px; }
.project-info h3 a { text-decoration: none; }
.project-info h3 a:hover { text-decoration: underline; text-decoration-color: var(--hardhat); text-decoration-thickness: 3px; }

/* ---------- Proje detay ---------- */
.case-hero { margin: 0 0 clamp(40px, 5vw, 64px); }
.case-hero img { width: 100%; max-height: 640px; object-fit: cover; object-position: center 40%; display: block; }
.case-hero figcaption { font-size: 14px; color: var(--ink-soft); margin-top: 10px; }
.case-body { display: grid; gap: 40px; grid-template-columns: 1fr; }
.case-facts { margin: 0; padding: 0; border-top: 2px solid var(--ink); align-self: start; }
.case-facts div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.case-facts dt { font-size: 13px; color: var(--ink-soft); margin-bottom: 2px; }
.case-facts dd { margin: 0; font-weight: 600; }
.case-text .section-title { margin-bottom: 20px; }
.case-text p { max-width: 62ch; }
@media (min-width: 900px) {
  .case-body { grid-template-columns: 4fr 8fr; gap: 80px; }
  .case-facts { position: sticky; top: calc(var(--header-h) + 32px); }
}

.gallery-section { padding-block: clamp(40px, 5vw, 64px); }
.gallery-section.alt { background: var(--concrete); }
.gallery { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
.gallery-item { display: block; aspect-ratio: 4 / 3; overflow: hidden; background: var(--concrete-deep); }
.gallery-item img, .gallery-item video { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-item video { background: var(--ink); }
a.gallery-item:hover img { opacity: .9; }
@media (min-width: 900px) { .gallery { grid-template-columns: repeat(3, 1fr); gap: 16px; } }

.lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; }
.lightbox::backdrop { background: rgba(34,37,42,.92); }
.lightbox img { max-width: 96vw; max-height: 96vh; display: block; }
.lightbox-close {
  position: fixed; top: 16px; right: 16px; width: 44px; height: 44px;
  background: var(--hardhat); color: var(--ink); border: 0; font-size: 28px; line-height: 1; cursor: pointer;
}

/* ---------- Öncesi / sonrası kaydırıcı ---------- */
.compare {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  overflow: hidden; background: var(--concrete-deep);
  --pos: 50%;
  user-select: none; -webkit-user-select: none; touch-action: pan-y;
}
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.compare-before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.compare-handle {
  position: absolute; top: 0; bottom: 0; left: var(--pos);
  width: 0; pointer-events: none;
}
.compare-line { position: absolute; top: 0; bottom: 0; left: -2px; width: 4px; background: var(--hardhat); }
.compare-knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--hardhat); color: var(--ink);
  display: grid; place-items: center;
  box-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.compare-label {
  position: absolute; top: 16px;
  background: rgba(34,37,42,.85); color: var(--paper);
  font-size: 13px; font-weight: 700; padding: 6px 10px;
  pointer-events: none;
}
.compare-label-before { left: 16px; }
.compare-label-after { right: 16px; }
.compare-range {
  position: absolute; inset: 0; width: 100%; height: 100%;
  margin: 0; opacity: 0; cursor: ew-resize;
  -webkit-appearance: none; appearance: none; background: transparent;
}
.compare-range::-webkit-slider-thumb { -webkit-appearance: none; width: 52px; height: 100%; }
.compare-range::-moz-range-thumb { width: 52px; height: 100%; border: 0; background: transparent; }
.compare:has(.compare-range:focus-visible) { outline: 3px solid var(--hardhat); outline-offset: 3px; }
.compare-section { background: var(--ink); color: var(--paper); }
.compare-section .section-intro { color: rgba(246,245,242,.7); }
.compare-section .text-link { color: var(--paper); border-bottom-color: var(--hardhat); }
.compare-section .text-link:hover { border-bottom-color: var(--paper); }
.case-hero .compare { max-height: 640px; }
@media (max-width: 640px) { .compare { aspect-ratio: 4 / 3; } .compare-knob { width: 44px; height: 44px; } }

/* ---------- Hizmet listesi bağlantıları ---------- */
.service-row h2 a { text-decoration: none; }
.service-row h2 a:hover { text-decoration: underline; text-decoration-color: var(--hardhat); text-decoration-thickness: 3px; }
.service-desc .text-link { margin-top: 10px; font-size: 14px; }

/* ---------- Ana sayfa hizmet ızgarası ---------- */
.home-service-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); grid-template-columns: 1fr; }
.home-service-grid li { background: var(--paper); }
.home-service-grid a { display: flex; flex-direction: column; gap: 8px; height: 100%; padding: 28px 24px; text-decoration: none; border-top: 4px solid transparent; transition: border-color .15s ease, background-color .15s ease; }
.home-service-grid a:hover { border-top-color: var(--hardhat); background: var(--concrete); }
.home-service-grid h3 { font-size: 20px; letter-spacing: -0.015em; font-variation-settings: "wdth" 106; }
.home-service-grid p { margin: 0; color: var(--ink-soft); font-size: 15px; flex: 1; }
.home-service-meta { font-size: 13px; color: var(--ink-soft); }
@media (min-width: 640px) { .home-service-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .home-service-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Hizmet detay ---------- */
.service-detail-inner { display: grid; gap: 48px; grid-template-columns: 1fr; }
.service-main .lead { font-size: 19px; line-height: 1.55; max-width: 62ch; margin-bottom: 40px; }
.service-main h2 { font-size: clamp(22px, 2.2vw, 28px); letter-spacing: -0.02em; font-variation-settings: "wdth" 106; margin: 40px 0 16px; }
.service-main h2:first-of-type { margin-top: 0; }
.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; max-width: 64ch; }
.check-list li { position: relative; padding-left: 26px; color: var(--ink-soft); }
.check-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 12px; height: 12px; background: var(--hardhat); }
.faq { border-top: 2px solid var(--ink); max-width: 68ch; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 16px 32px 16px 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-size: 24px; font-weight: 400; color: var(--ink-soft); }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 0 0 18px; color: var(--ink-soft); max-width: 62ch; }
.service-side { display: grid; gap: 16px; align-content: start; }
.side-card { background: var(--concrete); padding: 24px; display: flex; flex-direction: column; gap: 4px; border-top: 4px solid var(--ink); }
.side-card strong { font-size: 16px; }
.side-links { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; }
.side-links a { text-decoration: none; font-weight: 600; }
.side-links a:hover { text-decoration: underline; text-decoration-color: var(--hardhat); text-decoration-thickness: 2px; }
@media (min-width: 900px) {
  .service-detail-inner { grid-template-columns: 8fr 4fr; gap: 80px; align-items: start; }
  .service-side { position: sticky; top: calc(var(--header-h) + 32px); }
}