/* ============================================================
   YEŞİLİZ — İzolasyon ve Baca Sistemleri
   Düz HTML/CSS sitesi — tasarım sistemi tokenlarından üretildi
   ============================================================ */

/* ---------- Design tokens ---------- */
:root {
  /* Anthracite / steel-ink ramp */
  --green-950: #0E1419;
  --green-900: #151E25;
  --green-800: #1F2A33;
  --green-700: #2A3742;
  --green-600: #36454F;
  --green-500: #4A5A65;
  --green-400: #7C8C96;
  --green-300: #A6B3BB;
  --green-200: #C7D0D6;
  --green-100: #DEE4E8;
  --green-50:  #EEF2F4;

  /* Steel neutrals */
  --steel-900: #161B20;
  --steel-700: #333D45;
  --steel-500: #6B767E;
  --steel-300: #AEB7BD;
  --steel-200: #CDD4D9;
  --steel-100: #E5EAED;
  --steel-50:  #F3F6F8;
  --white:     #FFFFFF;

  /* Amber / copper accent */
  --amber-700: #9A5412;
  --amber-600: #C2690F;
  --amber-500: #E8821E;
  --amber-400: #F39B33;
  --amber-200: #F8CE9C;
  --amber-100: #FBE6CC;
  --amber-50:  #FDF4E9;

  --status-danger: #C2402B;

  /* Semantic aliases */
  --brand:          #21303A;
  --brand-strong:   #0E1419;
  --bg-page:        var(--steel-50);
  --surface-card:   var(--white);
  --text-strong:    var(--steel-900);
  --text-body:      var(--steel-700);
  --text-muted:     var(--steel-500);
  --text-onbrand:   var(--white);
  --text-oninverse: #D3DBE0;
  --text-link:      var(--amber-700);
  --border-subtle:  var(--steel-200);
  --border-default: var(--steel-300);
  --accent:         var(--amber-500);
  --accent-ink:     var(--amber-700);
  --accent-tint:    var(--amber-50);

  /* Type */
  --font-display: 'Archivo', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Figtree', 'Segoe UI', system-ui, sans-serif;
  --fs-h1: 48px;
  --fs-h2: 36px;
  --fs-h4: 21px;
  --fs-lg: 19px;
  --fs-body: 17px;
  --fs-sm: 15px;
  --fs-xs: 13px;
  --fs-eyebrow: 13px;
  --ls-eyebrow: 0.14em;
  --ls-tight: -0.02em;
  --lh-snug: 1.2;
  --lh-relaxed: 1.65;

  /* Radii & shadows */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-pill: 999px;
  --shadow-xs: 0 1px 2px rgba(22, 27, 32, 0.06);
  --shadow-sm: 0 1px 3px rgba(22, 27, 32, 0.08), 0 1px 2px rgba(22, 27, 32, 0.06);
  --shadow-md: 0 4px 12px rgba(22, 27, 32, 0.10);
  --shadow-lg: 0 12px 28px rgba(22, 27, 32, 0.14);
  --focus-ring: 0 0 0 3px rgba(232, 130, 30, 0.35);

  /* Layout & motion */
  --container-max: 1200px;
  --dur-fast: 140ms;
  --dur-base: 220ms;
  --dur-slow: 380ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-relaxed);
  color: var(--text-body);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-strong);
  margin: 0 0 0.4em;
  line-height: var(--lh-snug);
}

a { color: var(--text-link); text-decoration: none; }
p { margin: 0 0 1em; }
img { max-width: 100%; }
::selection { background: var(--amber-100); color: var(--amber-700); }
:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--radius-sm); }

.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: 24px; }

.icon { display: block; flex: 0 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  height: 44px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--fs-body);
  line-height: 1;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast) var(--ease-out);
}
.btn:hover { filter: brightness(0.93); }
.btn:active { transform: translateY(1px); }
.btn--lg { padding: 15px 28px; height: 54px; font-size: var(--fs-lg); gap: 10px; }
.btn--full { width: 100%; }
.btn--primary { background: var(--brand); color: var(--text-onbrand); border: 1px solid var(--brand); box-shadow: var(--shadow-sm); }
.btn--secondary { background: var(--surface-card); color: var(--brand-strong); border: 1px solid var(--border-default); box-shadow: var(--shadow-xs); }
.btn--inverse { background: var(--white); color: var(--brand-strong); border: 1px solid var(--white); box-shadow: var(--shadow-md); }
.btn--accent { background: var(--accent); color: var(--green-950); border: 1px solid var(--accent); box-shadow: var(--shadow-sm); }
.btn--whatsapp { background: #25D366; color: #fff; border: 1px solid #25D366; font-weight: 700; }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo__word { display: flex; flex-direction: column; line-height: 1; }
.logo__name { font-family: var(--font-display); font-weight: 800; font-size: 24.8px; letter-spacing: 0.01em; color: #1A2229; }
.logo__name em { font-style: normal; color: #E8821E; }
.logo__tag { font-family: var(--font-body); font-weight: 600; font-size: 8.4px; letter-spacing: 0.18em; text-transform: uppercase; color: #6B767E; margin-top: 3px; }
.logo--light .logo__name { color: #FFFFFF; }
.logo--light .logo__name em { color: #F39B33; }
.logo--light .logo__tag { color: #9AA6AD; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-subtle);
  transition: box-shadow var(--dur-base);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.site-header__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-nav { display: flex; gap: 4px; align-items: center; }
.site-nav a {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  color: var(--text-body);
}
.site-nav a:hover { color: var(--brand-strong); }
.site-nav a.active { color: var(--brand-strong); background: var(--green-50); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-toggle {
  background: none;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  width: 42px;
  height: 42px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-strong);
}
.menu-toggle .icon--close { display: none; }
.mobile-nav {
  display: none;
  border-top: 1px solid var(--border-subtle);
  padding: 8px 16px 16px;
  flex-direction: column;
  gap: 2px;
  background: #fff;
}
.mobile-nav a { padding: 12px 10px; border-radius: var(--radius-sm); font-weight: 600; color: var(--text-body); }
.mobile-nav a.active { color: var(--brand-strong); background: var(--green-50); }
.mobile-nav .btn { margin-top: 8px; }
.mobile-nav a.btn--primary { color: var(--text-onbrand); }
.site-header.menu-open .mobile-nav { display: flex; }
.site-header.menu-open .menu-toggle .icon--open { display: none; }
.site-header.menu-open .menu-toggle .icon--close { display: block; }

/* ---------- Açılır alt menü (Hizmetlerimiz) ---------- */
.site-nav__dd { position: relative; display: flex; align-items: center; }
.site-nav__dd > a { display: inline-flex; align-items: center; gap: 4px; }
.site-nav__dd > a .caret { transition: transform 0.2s ease; }
.site-nav__dd:hover > a .caret { transform: rotate(180deg); }
.site-nav__dd-panel {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 236px;
  background: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md, 12px);
  box-shadow: 0 14px 34px rgba(14, 20, 25, 0.14);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 70;
}
.site-nav__dd:hover .site-nav__dd-panel,
.site-nav__dd:focus-within .site-nav__dd-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.site-nav__dd-panel a {
  padding: 10px 12px;
  font-size: 14.5px;
  font-weight: 600;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  color: var(--text-body);
}
.site-nav__dd-panel a:hover { background: var(--green-50); color: var(--brand-strong); }

/* Mobil menüde alt hizmet linkleri */
.mobile-nav__sub { padding-left: 22px !important; font-size: 14px !important; color: var(--text-muted) !important; }
.mobile-nav__sub.active { color: var(--brand-strong) !important; }

/* ---------- Hizmet detay sayfası ekstra ---------- */
.svc-detail__lead { font-size: 18px; color: var(--text-body); line-height: 1.7; max-width: 760px; }
.svc-detail h2 { margin: 0 0 14px; }
.svc-detail h3 { margin: 28px 0 10px; font-size: 20px; color: var(--text-strong); }
.svc-detail p { color: var(--text-body); line-height: 1.75; margin: 0 0 14px; max-width: 760px; }
.svc-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 22px 0 8px; }
.svc-step { background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md, 12px); padding: 20px; }
.svc-step__no { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--brand); color: #fff; font-weight: 700; margin-bottom: 10px; }
.svc-step h4 { margin: 0 0 6px; font-size: 16px; }
.svc-step p { font-size: 14.5px; margin: 0; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.related-card { display: flex; align-items: center; gap: 10px; padding: 16px; background: var(--surface-card); border: 1px solid var(--border-subtle); border-radius: var(--radius-md, 12px); font-weight: 600; color: var(--text-strong); }
.related-card:hover { border-color: var(--border-default); }
.related-card .icon { color: var(--amber-500); flex: none; }

/* ---------- Google Harita gömme ---------- */
.map-embed { border-radius: var(--radius-md, 12px); overflow: hidden; border: 1px solid var(--border-subtle); box-shadow: var(--shadow-sm); line-height: 0; }
.map-embed iframe { width: 100%; height: 300px; border: 0; display: block; filter: grayscale(0.15); }
@media (max-width: 760px) { .map-embed iframe { height: 260px; } }

/* ---------- Sections ---------- */
.section { padding: 84px 0; }
.section--card { background: var(--surface-card); }
.section--tight { padding: 72px 0; }

.section-heading { display: flex; flex-direction: column; gap: 14px; max-width: 720px; align-items: flex-start; }
.section-heading--center { text-align: center; align-items: center; max-width: 680px; margin-inline: auto; }
.section-heading .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--ls-eyebrow);
  text-transform: uppercase;
  color: var(--accent-ink);
}
.section-heading .eyebrow::before { content: ''; width: 22px; height: 2px; background: currentColor; display: inline-block; }
.section-heading h2 {
  margin: 0;
  font-weight: 700;
  font-size: var(--fs-h2);
  letter-spacing: var(--ls-tight);
}
.section-heading .lead { margin: 0; font-size: var(--fs-lg); line-height: var(--lh-relaxed); color: var(--text-body); }
.section-heading--inverse .eyebrow { color: var(--accent); }
.section-heading--inverse h2 { color: var(--white); }
.section-heading--inverse .lead { color: var(--text-oninverse); }

.heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* ---------- Hero (anasayfa) ---------- */
.hero { position: relative; background: var(--green-950); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.32; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(105deg, var(--green-950) 30%, rgba(14, 20, 25, 0.55) 70%, rgba(14, 20, 25, 0.2) 100%); }
.hero__inner { position: relative; max-width: var(--container-max); margin: 0 auto; padding: 96px 24px 104px; }
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.hero h1 {
  margin: 0;
  max-width: 880px;
  font-weight: 800;
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.04;
  letter-spacing: var(--ls-tight);
  color: #fff;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero__lead { margin-top: 22px; max-width: 600px; font-size: 19px; line-height: 1.65; color: var(--text-oninverse); }
.hero__actions { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Page hero (alt sayfalar) ---------- */
.page-hero { position: relative; background: var(--green-950); overflow: hidden; }
.page-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.26; }
.page-hero__scrim { position: absolute; inset: 0; background: linear-gradient(100deg, var(--green-950) 40%, rgba(14, 20, 25, 0.55)); }
.page-hero__inner { position: relative; max-width: var(--container-max); margin: 0 auto; padding: 64px 24px 70px; }
.page-hero .eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; }
.page-hero h1 {
  margin: 14px 0 0;
  max-width: 760px;
  font-weight: 800;
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.08;
  letter-spacing: var(--ls-tight);
  color: #fff;
}
.page-hero .lead { margin: 18px 0 0; max-width: 620px; font-size: 18px; line-height: 1.65; color: var(--text-oninverse); }

/* ---------- Stat strip ---------- */
.stat-strip { background: var(--green-900); }
.stat-strip__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 28px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-strip--roomy .stat-strip__inner { padding: 40px 24px; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-h1);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  color: var(--white);
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.stat__value .suffix { font-size: 0.5em; color: var(--accent); }
.stat__label { font-size: var(--fs-sm); font-weight: 500; color: var(--text-oninverse); }

/* ---------- Grids ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ---------- Service card ---------- */
.service-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-xs);
  color: inherit;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-card::before {
  content: '';
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  height: 3px;
  width: 46px;
  background: var(--accent);
  transition: width var(--dur-slow) var(--ease-out);
}
.service-card:hover::before { width: 100%; }
.service-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: var(--accent-tint);
  color: var(--accent-ink);
  border: 1px solid var(--amber-200);
}
.service-card h3 { margin: 0 0 8px; font-weight: 700; font-size: var(--fs-h4); letter-spacing: var(--ls-tight); }
.service-card p { margin: 0; font-size: var(--fs-sm); line-height: var(--lh-relaxed); }
.service-card ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 7px; }
.service-card li { display: flex; align-items: center; gap: 9px; font-size: var(--fs-sm); color: var(--text-body); }
.service-card li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex: 0 0 auto; }
.service-card__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--text-link);
}
.service-card__link .icon { transition: transform var(--dur-base) var(--ease-out); }
.service-card:hover .service-card__link .icon { transform: translateX(3px); }

/* ---------- Trust cards (Neden YEŞİLİZ) ---------- */
.trust-grid { margin-top: 48px; }
.trust-card { padding: 26px; border-radius: var(--radius-lg); border: 1px solid var(--border-subtle); background: var(--bg-page); }
.trust-card__icon {
  display: inline-flex;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: var(--brand);
  color: #fff;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.trust-card h3 { margin: 0 0 8px; font-size: 19px; font-weight: 700; }
.trust-card p { margin: 0; font-size: 14.5px; line-height: 1.6; }

/* ---------- Project figures ---------- */
.project-grid { margin-top: 40px; }
.project-figure {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.project-figure img { width: 100%; height: 250px; object-fit: cover; display: block; }
.project-figure figcaption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  background: linear-gradient(to top, rgba(13, 17, 21, 0.85) 0%, rgba(13, 17, 21, 0) 56%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

/* ---------- References ---------- */
.ref-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.ref-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 88px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--surface-card);
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--dur-base), transform var(--dur-base);
}
.ref-logo:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.ref-logo img { max-height: 50px; max-width: 88%; object-fit: contain; display: block; }
.ref-logo--scale img { max-height: 66px; max-width: 96%; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--brand); }
.cta-band__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 64px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.cta-band h2 { margin: 0; font-weight: 800; font-size: clamp(26px, 3.4vw, 38px); color: #fff; letter-spacing: var(--ls-tight); }
.cta-band p { margin: 12px 0 0; color: var(--text-oninverse); font-size: 18px; }
.cta-band__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Hizmet satırları ---------- */
.svc-row { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.svc-row--flip { grid-template-columns: 1fr 1.1fr; }
.svc-row--flip .svc-row__text { order: 2; }
.svc-row--flip .svc-row__media { order: 1; }
.svc-row__icon {
  display: inline-flex;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--brand);
  color: #fff;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.svc-row h2 { margin: 0 0 12px; font-weight: 800; font-size: 34px; letter-spacing: var(--ls-tight); }
.svc-row__desc { margin: 0 0 22px; font-size: 17px; line-height: 1.7; max-width: 520px; }
.svc-items { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-bottom: 26px; }
.svc-item { display: flex; gap: 10px; align-items: flex-start; }
.svc-item__check {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-tint);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.svc-item strong { display: block; font-weight: 700; font-size: 15px; color: var(--text-strong); }
.svc-item span { font-size: 13.5px; color: var(--text-muted); line-height: 1.5; }
.svc-row__media > div { border-radius: var(--radius-xl); overflow: hidden; border: 1px solid var(--border-subtle); box-shadow: var(--shadow-lg); }
.svc-row__media img { width: 100%; height: 420px; object-fit: cover; display: block; }

/* ---------- Slider ---------- */
.slider-wrap { position: relative; margin-top: 36px; }
.slider {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 6px;
  scrollbar-width: none;
}
.slider::-webkit-scrollbar { display: none; }
.slider figure {
  flex: 0 0 auto;
  width: min(560px, 84%);
  margin: 0;
  scroll-snap-align: start;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}
.slider img { width: 100%; height: 380px; object-fit: cover; display: block; }
.slider figcaption {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: 22px;
  background: linear-gradient(to top, rgba(13, 17, 21, 0.86) 0%, rgba(13, 17, 21, 0) 52%);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.01em;
}
.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  background: var(--surface-card);
  color: var(--brand);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-arrow--prev { left: 10px; }
.slider-arrow--prev .icon { transform: rotate(180deg); }
.slider-arrow--next { right: 10px; }

/* ---------- Süreç bandı ---------- */
.process-band { background: var(--green-950); padding: 80px 0; }
.process-grid { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.process-step { padding: 24px; border-radius: var(--radius-lg); background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.1); }
.process-step__num { font-family: var(--font-display); font-weight: 800; font-size: 40px; color: var(--accent); line-height: 1; }
.process-step h3 { margin: 14px 0 8px; font-weight: 700; font-size: 19px; color: #fff; }
.process-step p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--green-200); }

/* ---------- Hakkımızda ---------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 52px; align-items: center; }
.about-text { margin-top: 18px; font-size: 17px; line-height: 1.75; }
.about-checks { margin-top: 26px; display: flex; flex-direction: column; gap: 14px; }
.about-check { display: flex; gap: 12px; align-items: center; }
.about-check__icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--accent-tint);
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-check span { font-size: 16px; font-weight: 600; color: var(--text-strong); }
.about-collage { display: grid; grid-template-rows: 1fr 1fr; gap: 16px; }
.about-collage__big { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--border-subtle); }
.about-collage__big img { width: 100%; height: 250px; object-fit: cover; display: block; }
.about-collage__pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-collage__pair > div { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-subtle); display: flex; }
.about-collage__pair img { width: 100%; height: 100%; min-height: 160px; object-fit: cover; display: block; }

/* ---------- İletişim ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; }
.contact-info h2 { margin: 0 0 8px; font-weight: 800; font-size: 28px; }
.contact-info > p { margin: 0 0 28px; font-size: 16px; line-height: 1.65; }
.contact-items { display: flex; flex-direction: column; gap: 18px; }
.contact-item { display: inline-flex; align-items: center; gap: 12px; }
.contact-item__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  flex: 0 0 auto;
  background: var(--accent-tint);
  color: var(--accent-ink);
  border: 1px solid var(--amber-200);
}
.contact-item__text { display: flex; flex-direction: column; line-height: 1.3; }
.contact-item__label { font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); }
.contact-item__value { font-size: var(--fs-sm); font-weight: 600; color: var(--text-strong); }
.contact-whatsapp {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #25D366;
  color: #fff;
  font-weight: 700;
  padding: 13px 20px;
  border-radius: var(--radius-sm);
}
.contact-photo { margin-top: 26px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-subtle); }
.contact-photo img { width: 100%; height: 200px; object-fit: cover; display: block; }

.contact-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; width: 100%; }
.field label { font-size: var(--fs-sm); font-weight: 600; color: var(--text-strong); }
.field label .req { color: var(--status-danger); margin-left: 3px; }
.field input, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--text-strong);
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  padding: 0 14px;
  height: 46px;
  outline: none;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.field textarea { padding: 12px 14px; height: auto; line-height: 1.45; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--brand); box-shadow: var(--focus-ring); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--border-default);
  background: var(--surface-card);
  color: var(--text-body);
}
.chip.selected { border-color: var(--brand); background: var(--accent-tint); color: var(--accent-ink); }
.form-note { margin: 0; font-size: 12.5px; color: var(--text-muted); text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: var(--text-oninverse); padding-top: 56px; }
.site-footer__grid {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.3fr;
  gap: 40px;
}
.site-footer__about { margin-top: 18px; color: var(--green-200); font-size: 15px; line-height: 1.7; max-width: 340px; }
.site-footer h4 { font-weight: 700; color: #fff; margin: 0 0 16px; font-family: var(--font-display); font-size: 17px; }
.site-footer__links a { display: block; color: var(--green-200); font-size: 15px; padding: 6px 0; }
.site-footer__links a:hover { color: #fff; }
.site-footer__contact a, .site-footer__contact > span { display: flex; gap: 11px; align-items: center; padding: 6px 0; font-size: 15px; color: var(--green-200); }
.site-footer__contact a.phone { color: #fff; font-weight: 600; }
.site-footer__contact .addr { align-items: flex-start; }
.site-footer__bottom {
  max-width: var(--container-max);
  margin: 36px auto 0;
  padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
  color: var(--green-300);
}

/* ---------- WhatsApp FAB ---------- */
.wa-fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
}

/* ---------- Yukarı çık butonu ---------- */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 90px;
  z-index: 60;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--brand);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(14, 20, 25, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover {
  background: var(--brand-strong);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .ref-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .site-nav, .header-actions .btn { display: none; }
  .menu-toggle { display: flex; }
  .grid-2, .svc-row, .svc-row--flip, .about-grid, .contact-grid, .site-footer__grid { grid-template-columns: 1fr; }
  .svc-row--flip .svc-row__text { order: 0; }
  .svc-row--flip .svc-row__media { order: 0; }
  .svc-row__media img { height: 320px; }
}
@media (max-width: 760px) {
  .grid-3, .grid-4, .stat-strip__inner { grid-template-columns: 1fr 1fr; }
  .ref-grid { grid-template-columns: repeat(3, 1fr); }
  .section { padding: 64px 0; }
  .form-row { grid-template-columns: 1fr; }
  .svc-steps, .related-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .grid-3, .grid-4, .ref-grid { grid-template-columns: 1fr 1fr; }
  .svc-items { grid-template-columns: 1fr; }
}