/* ============================================================
   BOĞAZİÇİ MÜHENDİSLİK — bogaziciklima.com
   Kurumsal İklimlendirme Sitesi Tasarım Sistemi
   ============================================================ */

:root {
  /* Renk Paleti */
  --navy-900: #071a2b;
  --navy-800: #0a2540;
  --navy-700: #0e3a5f;
  --blue-600: #0e63b8;
  --blue-500: #1478d4;
  --cyan-500: #19a7ce;
  --cyan-400: #35c3e8;
  --ice-100: #eef6fb;
  --ice-50:  #f6fafd;
  --white:   #ffffff;
  --gray-700:#3d4b5c;
  --gray-500:#64748b;
  --gray-300:#cbd8e2;
  --gray-200:#e2ebf2;
  --green:   #25d366;
  --amber:   #f5a623;

  --grad-primary: linear-gradient(135deg, var(--blue-600) 0%, var(--cyan-500) 100%);
  --grad-dark: linear-gradient(160deg, #0a2540 0%, #0e3a5f 55%, #14507e 100%);

  --shadow-sm: 0 2px 8px rgba(10, 37, 64, .08);
  --shadow-md: 0 8px 30px rgba(10, 37, 64, .12);
  --shadow-lg: 0 20px 60px rgba(10, 37, 64, .18);

  --radius: 16px;
  --radius-sm: 10px;

  --font-head: "Sora", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --container: 1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gray-700);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--navy-800);
  line-height: 1.25;
  font-weight: 700;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: 90px 0; }

/* ---------- Bölüm başlıkları ---------- */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.section-tag::before {
  content: "";
  width: 34px; height: 2px;
  background: var(--grad-primary);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 18px;
}
.section-desc {
  font-size: 17px;
  color: var(--gray-500);
  max-width: 640px;
}
.section-head { margin-bottom: 54px; }
.section-head.center { text-align: center; }
.section-head.center .section-tag { justify-content: center; }
.section-head.center .section-tag::before { display: none; }
.section-head.center .section-desc { margin: 0 auto; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15.5px;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  transition: all .3s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; flex-shrink: 0; }

.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(14, 99, 184, .35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(14, 99, 184, .45); }

.btn-outline {
  background: transparent;
  color: var(--navy-800);
  border: 2px solid var(--gray-300);
}
.btn-outline:hover { border-color: var(--blue-600); color: var(--blue-600); }

.btn-light {
  background: #fff;
  color: var(--navy-800);
  box-shadow: var(--shadow-md);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.btn-whatsapp {
  background: var(--green);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, .35);
}
.btn-whatsapp:hover { transform: translateY(-3px); }

/* ---------- Üst Bar ---------- */
.topbar {
  background: var(--navy-900);
  color: #b8cbdc;
  font-size: 13.5px;
  padding: 9px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 22px; }
.topbar a { display: inline-flex; align-items: center; gap: 7px; transition: color .2s; }
.topbar a:hover { color: var(--cyan-400); }
.topbar svg { width: 14px; height: 14px; }
.topbar .highlight { color: var(--cyan-400); font-weight: 600; }

/* ---------- Header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow .3s;
}
.header.scrolled { box-shadow: var(--shadow-md); }
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
  gap: 24px;
}

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 48px; height: 48px;
  border-radius: 13px;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  box-shadow: 0 6px 16px rgba(14, 99, 184, .3);
  flex-shrink: 0;
}
.logo-mark svg { width: 28px; height: 28px; }
.logo-text { line-height: 1.1; }
.logo-text .name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 19px;
  color: var(--navy-800);
  letter-spacing: .3px;
  display: block;
}
.logo-text .sub {
  font-size: 10.5px;
  letter-spacing: 3.2px;
  color: var(--blue-600);
  font-weight: 600;
  text-transform: uppercase;
}

/* Nav */
.nav { display: flex; align-items: center; gap: 34px; }
.nav a {
  font-weight: 500;
  font-size: 15.5px;
  color: var(--navy-800);
  position: relative;
  padding: 6px 0;
  transition: color .2s;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2.5px;
  background: var(--grad-primary);
  border-radius: 2px;
  transition: width .3s;
}
.nav a:hover, .nav a.active { color: var(--blue-600); }
.nav a:hover::after, .nav a.active::after { width: 100%; }

.header-cta { display: flex; align-items: center; gap: 14px; }
.header-cta .btn { padding: 12px 24px; font-size: 14.5px; }

/* Mobil menü butonu */
.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  border: none;
  background: var(--ice-100);
  border-radius: 12px;
  cursor: pointer;
  place-items: center;
}
.nav-toggle svg { width: 24px; height: 24px; stroke: var(--navy-800); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--grad-dark);
  color: #fff;
  padding: 110px 0 130px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 500px at 85% 20%, rgba(25, 167, 206, .22), transparent 60%),
    radial-gradient(ellipse 600px 400px at 10% 90%, rgba(20, 120, 212, .18), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 60px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 13.5px;
  font-weight: 600;
  color: #cfe8f5;
  margin-bottom: 26px;
  backdrop-filter: blur(6px);
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--cyan-400);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(53, 195, 232, .5); }
  50% { box-shadow: 0 0 0 7px rgba(53, 195, 232, 0); }
}
.hero h1 {
  font-size: clamp(34px, 5vw, 56px);
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: -.5px;
}
.hero h1 .accent {
  background: linear-gradient(90deg, var(--cyan-400), #7fd8f0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero p {
  font-size: 18px;
  color: #b8cbdc;
  max-width: 540px;
  margin-bottom: 38px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero görsel kart */
.hero-visual { position: relative; }
.hero-visual .photo {
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.15);
}
.hero-visual .photo img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}
.float-card {
  position: absolute;
  background: rgba(255, 255, 255, .97);
  border-radius: 16px;
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  animation: floaty 5s ease-in-out infinite;
}
.float-card .ic {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.float-card .ic svg { width: 24px; height: 24px; }
.float-card b { display: block; color: var(--navy-800); font-size: 15px; font-family: var(--font-head); }
.float-card span { font-size: 12.5px; color: var(--gray-500); }
.fc-1 { top: 28px; left: -34px; }
.fc-1 .ic { background: #e5f7ee; }
.fc-2 { bottom: 34px; right: -24px; animation-delay: 2.5s; }
.fc-2 .ic { background: #e7f1fb; }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- İstatistik Şeridi ---------- */
.stats {
  margin-top: -62px;
  position: relative;
  z-index: 5;
  padding: 0;
}
.stats-card {
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 38px 20px;
  border: 1px solid var(--gray-200);
}
.stat {
  text-align: center;
  padding: 0 18px;
  border-right: 1px solid var(--gray-200);
}
.stat:last-child { border-right: none; }
.stat .num {
  font-family: var(--font-head);
  font-size: 40px;
  font-weight: 800;
  color: var(--navy-800);
}
.stat .num .plus { color: var(--cyan-500); }
.stat .label { font-size: 14.5px; color: var(--gray-500); margin-top: 4px; }

/* ---------- Hizmet Kartları ---------- */
.services { background: var(--ice-50); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 38px 32px;
  border: 1px solid var(--gray-200);
  transition: all .35s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: var(--grad-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .35s ease;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--ice-100);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  transition: all .35s;
}
.service-icon svg { width: 34px; height: 34px; }
.service-card:hover .service-icon { background: var(--grad-primary); }
.service-card:hover .service-icon svg path,
.service-card:hover .service-icon svg circle,
.service-card:hover .service-icon svg rect,
.service-card:hover .service-icon svg line,
.service-card:hover .service-icon svg polyline { stroke: #fff; }
.service-card h3 { font-size: 20px; margin-bottom: 12px; }
.service-card p { font-size: 15px; color: var(--gray-500); flex: 1; }
.service-card .more {
  margin-top: 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--blue-600);
}
.service-card .more svg { width: 16px; height: 16px; transition: transform .3s; }
.service-card:hover .more svg { transform: translateX(5px); }

/* ---------- Hakkımızda ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-visual { position: relative; }
.about-visual .main-img {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-visual .main-img img { height: 480px; width: 100%; object-fit: cover; }
.exp-badge {
  position: absolute;
  bottom: -28px;
  right: -20px;
  background: var(--grad-primary);
  color: #fff;
  border-radius: 20px;
  padding: 26px 34px;
  text-align: center;
  box-shadow: 0 16px 40px rgba(14, 99, 184, .4);
}
.exp-badge .num {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 800;
  line-height: 1;
}
.exp-badge .txt { font-size: 13.5px; opacity: .92; margin-top: 6px; }

.about-features { display: grid; gap: 18px; margin: 30px 0 36px; }
.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.about-feature .check {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--ice-100);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 3px;
}
.about-feature .check svg { width: 14px; height: 14px; }
.about-feature b { color: var(--navy-800); font-size: 16px; display: block; margin-bottom: 2px; }
.about-feature p { font-size: 14.5px; color: var(--gray-500); }

/* ---------- Süreç ---------- */
.process { background: var(--grad-dark); color: #fff; position: relative; overflow: hidden; }
.process::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 700px 400px at 90% 10%, rgba(25,167,206,.15), transparent 60%);
}
.process .section-title { color: #fff; }
.process .section-desc { color: #b8cbdc; }
.process .section-tag { color: var(--cyan-400); }
.process-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.process-step {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius);
  padding: 34px 28px;
  backdrop-filter: blur(8px);
  transition: all .3s;
  position: relative;
}
.process-step:hover { background: rgba(255,255,255,.1); transform: translateY(-6px); }
.process-step .step-no {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-400);
  letter-spacing: 2px;
  margin-bottom: 16px;
  display: block;
}
.process-step .step-ic {
  width: 58px; height: 58px;
  border-radius: 14px;
  background: rgba(53, 195, 232, .14);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.process-step .step-ic svg { width: 30px; height: 30px; }
.process-step h3 { color: #fff; font-size: 19px; margin-bottom: 10px; }
.process-step p { font-size: 14.5px; color: #a9bfd2; }

/* ---------- Markalar ---------- */
.brands { padding: 70px 0; }
.brands-title {
  text-align: center;
  font-size: 14px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--gray-500);
  font-weight: 600;
  margin-bottom: 40px;
}
.brands-row {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px 56px;
}
.brand-item {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-300);
  letter-spacing: 1px;
  transition: color .3s;
  cursor: default;
}
.brand-item:hover { color: var(--blue-600); }

/* ---------- Projeler / Referanslar ---------- */
.projects { background: var(--ice-50); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.project-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  transition: all .35s;
}
.project-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.project-card .thumb {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.project-card .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.project-card:hover .thumb img { transform: scale(1.07); }
.project-card .thumb .cat {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(10, 37, 64, .82);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 7px 15px;
  border-radius: 50px;
  text-transform: uppercase;
}
.project-card .body { padding: 26px 26px 30px; }
.project-card h3 { font-size: 19px; margin-bottom: 8px; }
.project-card .meta {
  display: flex;
  gap: 18px;
  font-size: 13.5px;
  color: var(--gray-500);
}
.project-card .meta span { display: inline-flex; align-items: center; gap: 6px; }
.project-card .meta svg { width: 14px; height: 14px; }

/* ---------- Neden Biz ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.why-card {
  text-align: center;
  padding: 38px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: all .3s;
}
.why-card:hover { border-color: var(--cyan-500); box-shadow: var(--shadow-md); }
.why-card .ic {
  width: 70px; height: 70px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--ice-100);
  display: grid;
  place-items: center;
}
.why-card .ic svg { width: 34px; height: 34px; }
.why-card h3 { font-size: 18px; margin-bottom: 10px; }
.why-card p { font-size: 14.5px; color: var(--gray-500); }

/* ---------- Yorumlar ---------- */
.testimonials { background: var(--ice-50); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testi-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 34px 30px;
  border: 1px solid var(--gray-200);
  position: relative;
}
.testi-card .stars { display: flex; gap: 3px; margin-bottom: 18px; }
.testi-card .stars svg { width: 18px; height: 18px; fill: var(--amber); }
.testi-card .quote { font-size: 15.5px; color: var(--gray-700); margin-bottom: 24px; font-style: italic; }
.testi-card .person { display: flex; align-items: center; gap: 14px; }
.testi-card .avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-family: var(--font-head);
  font-size: 17px;
}
.testi-card .person b { display: block; color: var(--navy-800); font-size: 15.5px; }
.testi-card .person span { font-size: 13px; color: var(--gray-500); }

/* ---------- CTA Bandı ---------- */
.cta-band { padding: 0; }
.cta-box {
  background: var(--grad-primary);
  border-radius: 26px;
  padding: 64px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(14, 99, 184, .35);
}
.cta-box::before {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
}
.cta-box::after {
  content: "";
  position: absolute;
  right: 60px; bottom: -110px;
  width: 240px; height: 240px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
}
.cta-box h2 { color: #fff; font-size: clamp(24px, 3.2vw, 36px); margin-bottom: 12px; }
.cta-box p { opacity: .92; font-size: 16.5px; max-width: 520px; }
.cta-box .actions { display: flex; gap: 14px; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---------- İletişim ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact-info-card {
  display: grid;
  gap: 20px;
}
.contact-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--ice-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px;
  transition: all .3s;
}
.contact-item:hover { border-color: var(--cyan-500); box-shadow: var(--shadow-sm); }
.contact-item .ic {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.contact-item .ic svg { width: 26px; height: 26px; }
.contact-item b { display: block; color: var(--navy-800); font-size: 16px; margin-bottom: 3px; font-family: var(--font-head); }
.contact-item p, .contact-item a { font-size: 15px; color: var(--gray-500); display: block; }
.contact-item a:hover { color: var(--blue-600); }

/* Form */
.contact-form {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 20px;
  padding: 44px;
  box-shadow: var(--shadow-md);
}
.contact-form h3 { font-size: 24px; margin-bottom: 8px; }
.contact-form .form-sub { font-size: 15px; color: var(--gray-500); margin-bottom: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--navy-800);
  background: var(--ice-50);
  transition: all .25s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-600);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(14, 99, 184, .1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 12.5px; color: var(--gray-500); margin-top: 14px; }

/* Harita */
.map-wrap {
  margin-top: 70px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.map-wrap iframe { width: 100%; height: 420px; border: 0; display: block; }

/* ---------- Sayfa Banner (iç sayfalar) ---------- */
.page-banner {
  background: var(--grad-dark);
  color: #fff;
  padding: 80px 0 90px;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 700px 400px at 85% 30%, rgba(25,167,206,.2), transparent 60%);
}
.page-banner .container { position: relative; }
.page-banner h1 { color: #fff; font-size: clamp(30px, 4.5vw, 46px); margin-bottom: 14px; }
.page-banner p { color: #b8cbdc; font-size: 17px; max-width: 620px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: #8fa9bf;
  margin-bottom: 22px;
}
.breadcrumb a:hover { color: var(--cyan-400); }
.breadcrumb .sep { opacity: .5; }
.breadcrumb .current { color: var(--cyan-400); font-weight: 600; }

/* ---------- Hizmet Detay Satırları ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 70px 0;
  border-bottom: 1px solid var(--gray-200);
}
.service-detail:last-child { border-bottom: none; }
.service-detail .sd-img {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.service-detail .sd-img img { height: 360px; width: 100%; object-fit: cover; }
.service-detail h2 { font-size: 28px; margin-bottom: 16px; }
.service-detail p { color: var(--gray-500); margin-bottom: 20px; }
.sd-list { display: grid; gap: 12px; margin-bottom: 26px; }
.sd-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--gray-700);
}
.sd-list li svg { width: 20px; height: 20px; flex-shrink: 0; margin-top: 2px; }

/* ---------- Değerler (Hakkımızda) ---------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px 30px;
  transition: all .3s;
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.value-card .ic {
  width: 60px; height: 60px;
  border-radius: 15px;
  background: var(--grad-primary);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.value-card .ic svg { width: 30px; height: 30px; }
.value-card h3 { font-size: 19px; margin-bottom: 10px; }
.value-card p { font-size: 14.5px; color: var(--gray-500); }

/* ---------- SSS ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-item.open { box-shadow: var(--shadow-sm); border-color: var(--gray-300); }
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 22px 26px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--navy-800);
  text-align: left;
}
.faq-q .chev {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--ice-100);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: all .3s;
}
.faq-q .chev svg { width: 16px; height: 16px; transition: transform .3s; }
.faq-item.open .faq-q .chev { background: var(--grad-primary); }
.faq-item.open .faq-q .chev svg { transform: rotate(180deg); }
.faq-item.open .faq-q .chev svg path { stroke: #fff; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-a p { padding: 0 26px 24px; font-size: 15px; color: var(--gray-500); }

/* ---------- Footer ---------- */
.footer {
  background: var(--navy-900);
  color: #9db4c8;
  padding: 80px 0 0;
  font-size: 14.5px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 56px;
}
.footer .logo-text .name { color: #fff; }
.footer .logo-text .sub { color: var(--cyan-400); }
.footer-about p { margin: 22px 0 26px; line-height: 1.75; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: rgba(255, 255, 255, .07);
  display: grid;
  place-items: center;
  transition: all .3s;
}
.footer-social a:hover { background: var(--grad-primary); transform: translateY(-3px); }
.footer-social svg { width: 19px; height: 19px; fill: #cfe0ed; }
.footer h4 {
  color: #fff;
  font-size: 16.5px;
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
}
.footer h4::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 36px; height: 2.5px;
  background: var(--grad-primary);
  border-radius: 2px;
}
.footer-links { display: grid; gap: 12px; }
.footer-links a { display: inline-flex; align-items: center; gap: 9px; transition: all .25s; }
.footer-links a:hover { color: var(--cyan-400); transform: translateX(4px); }
.footer-links svg { width: 13px; height: 13px; }
.footer-contact { display: grid; gap: 16px; }
.footer-contact li { display: flex; gap: 13px; align-items: flex-start; }
.footer-contact svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 3px; }
.footer-contact a:hover { color: var(--cyan-400); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13.5px;
}
.footer-bottom a:hover { color: var(--cyan-400); }

/* ---------- WhatsApp Sabit Buton ---------- */
.wa-float {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 62px; height: 62px;
  border-radius: 50%;
  background: var(--green);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 30px rgba(37, 211, 102, .45);
  transition: transform .3s;
  animation: wa-pulse 2.4s infinite;
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
@keyframes wa-pulse {
  0%, 100% { box-shadow: 0 10px 30px rgba(37,211,102,.45), 0 0 0 0 rgba(37,211,102,.4); }
  50% { box-shadow: 0 10px 30px rgba(37,211,102,.45), 0 0 0 14px rgba(37,211,102,0); }
}

/* ---------- Scroll animasyonları ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .services-grid, .projects-grid, .testi-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero-visual .photo img { height: 380px; }
  .fc-1 { left: 0; }
  .fc-2 { right: 0; }
  .about-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { row-gap: 44px; }
  .service-detail { grid-template-columns: 1fr; gap: 34px; }
  .service-detail.reverse .sd-img { order: -1; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .topbar-left span.hide-m, .topbar .hide-m { display: none; }
  .nav {
    position: fixed;
    top: 0; right: -320px;
    width: 300px;
    height: 100vh;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 100px 34px 34px;
    box-shadow: -20px 0 60px rgba(10, 37, 64, .18);
    transition: right .4s cubic-bezier(.4, 0, .2, 1);
    z-index: 200;
  }
  .nav.open { right: 0; }
  .nav a { font-size: 17px; padding: 12px 0; width: 100%; border-bottom: 1px solid var(--gray-200); }
  .nav-toggle { display: grid; z-index: 210; position: relative; }
  .nav-overlay {
    position: fixed; inset: 0;
    background: rgba(7, 26, 43, .5);
    backdrop-filter: blur(4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
    z-index: 150;
  }
  .nav-overlay.show { opacity: 1; pointer-events: auto; }
  .header-cta .btn-primary { display: none; }
  .hero { padding: 70px 0 100px; }
  .stats-card { grid-template-columns: repeat(2, 1fr); gap: 30px 0; }
  .stat:nth-child(2) { border-right: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .exp-badge { right: 10px; bottom: -20px; padding: 20px 26px; }
  .exp-badge .num { font-size: 34px; }
  .cta-box { flex-direction: column; text-align: center; padding: 48px 30px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 30px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { justify-content: center; text-align: center; }
}

@media (max-width: 560px) {
  .services-grid, .projects-grid, .testi-grid, .why-grid,
  .process-grid, .values-grid { grid-template-columns: 1fr; }
  .stats-card { grid-template-columns: 1fr 1fr; padding: 28px 10px; }
  .stat .num { font-size: 30px; }
  .stat { border-right: none; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .float-card { display: none; }
  .logo-text .name { font-size: 16px; }
  .logo-text .sub { font-size: 9px; letter-spacing: 2.4px; }
}