/* =====================================================
   ICD İnşaat — Landing Page Styles
   Premium Design System
   ===================================================== */

/* ============ CSS VARIABLES ============ */
:root {
  /* Primary Palette — ICD Orange */
  --orange-50: #fff7ed;
  --orange-100: #ffedd5;
  --orange-200: #fed7aa;
  --orange-300: #fdba74;
  --orange-400: #fb923c;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --orange-700: #c2410c;
  --orange-800: #9a3412;

  /* Secondary — Deep Navy */
  --navy-50: #eef2ff;
  --navy-100: #e0e7ff;
  --navy-200: #c7d2fe;
  --navy-300: #a5b4fc;
  --navy-400: #6b7fcc;
  --navy-500: #3b5998;
  --navy-600: #1e3a5f;
  --navy-700: #142d4c;
  --navy-800: #0d1f33;
  --navy-900: #080f1a;

  /* Neutrals */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;

  /* Accent */
  --accent: var(--orange-500);
  --accent-dark: var(--orange-600);
  --accent-light: var(--orange-300);
  --accent-glow: rgba(249, 115, 22, 0.35);

  /* Surfaces */
  --bg-primary: #080f1a;
  --bg-secondary: #0d1a2d;
  --bg-card: rgba(14, 26, 45, 0.7);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-hover: rgba(255, 255, 255, 0.08);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: var(--orange-400);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(249, 115, 22, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-xl: 0 16px 64px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-padding: 120px 0;
  --container-max: 1280px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============ RESET & BASE ============ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* Background noise texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  opacity: 0.015;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

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

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

ul { list-style: none; }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-accent);
  margin-bottom: 16px;
  background: rgba(249, 115, 22, 0.08);
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
}

.section-tag i {
  font-size: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.section-title .highlight {
  background: linear-gradient(135deg, var(--orange-400), var(--orange-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 16px;
  line-height: 1.8;
}

.text-center { text-align: center; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 12px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}

.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: #fff;
  box-shadow: 0 4px 24px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 40px rgba(249, 115, 22, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-light);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: var(--orange-400);
  color: var(--orange-400);
  background: rgba(249, 115, 22, 0.05);
  transform: translateY(-2px);
}

/* ============ HEADER ============ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.5s var(--ease-out);
}

.header.scrolled {
  background: rgba(8, 15, 26, 0.85);
  backdrop-filter: blur(24px) saturate(1.5);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.footer-logo-img {
  height: 56px;
  width: auto;
  display: block;
  margin-bottom: 16px;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--orange-500);
  line-height: 1.1;
  max-width: 130px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--orange-500);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange-400);
  padding: 8px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-accent);
  background: rgba(249,115,22,0.06);
  transition: all 0.3s;
}

.header-phone:hover {
  background: rgba(249,115,22,0.12);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 140px 0 100px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(8, 15, 26, 0.95) 0%,
    rgba(8, 15, 26, 0.7) 50%,
    rgba(8, 15, 26, 0.85) 100%
  );
  z-index: 1;
}

/* Animated gradient orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 8s ease-in-out infinite;
  z-index: 1;
}

.hero-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(249,115,22,0.3), transparent 70%);
  top: -15%;
  right: -5%;
  animation-delay: 0s;
}

.hero-orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(30,58,95,0.5), transparent 70%);
  bottom: -10%;
  left: -5%;
  animation-delay: -4s;
}

.hero-orb--3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(249,115,22,0.15), transparent 70%);
  top: 40%;
  left: 30%;
  animation-delay: -2s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text { max-width: 620px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,0.1);
  border: 1px solid var(--border-accent);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange-400);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-badge i { font-size: 0.7rem; }

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--orange-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(249,115,22,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(249,115,22,0); }
  100% { box-shadow: 0 0 0 0 rgba(249,115,22,0); }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -1.5px;
}

.hero-title .line {
  display: block;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--orange-400), var(--orange-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

/* Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--border-subtle);
  padding-top: 32px;
}

.stat-item {
  text-align: center;
  position: relative;
  padding: 0 16px;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 40px;
  width: 1px;
  background: var(--border-subtle);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--orange-400);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
}

.hero-image-wrapper img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
}

/* Floating cards on hero image */
.floating-card {
  position: absolute;
  background: rgba(13, 26, 45, 0.85);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: float 6s ease-in-out infinite;
}

.floating-card--1 {
  top: 15%;
  left: -40px;
  animation-delay: 0s;
}

.floating-card--2 {
  bottom: 20%;
  right: -40px;
  animation-delay: -3s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.floating-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  flex-shrink: 0;
}

.floating-card-text {
  display: flex;
  flex-direction: column;
}

.floating-card-text strong {
  font-size: 0.85rem;
  color: var(--text-primary);
  font-weight: 600;
}

.floating-card-text span {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ============ ABOUT / VIZYON ============ */
.about {
  padding: var(--section-padding);
  position: relative;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-stack {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.about-text-row {
  display: flex;
  gap: 40px;
}

.about-text-row .about-text {
  flex: 1;
  margin-bottom: 0;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 20px;
}

.about-text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about-quote {
  position: relative;
  padding: 24px 28px;
  margin: 32px 0;
  background: linear-gradient(135deg, rgba(249,115,22,0.06), rgba(249,115,22,0.02));
  border-left: 3px solid var(--orange-500);
  border-radius: 0 16px 16px 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-quote::before {
  content: '\201C';
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--orange-500);
  opacity: 0.3;
  position: absolute;
  top: -8px;
  left: 12px;
  line-height: 1;
}

.about-visual {
  position: relative;
}

.about-image {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-subtle);
  object-fit: contain;
  background: rgba(255,255,255,0.02);
}

.about-founder-quote {
  position: relative;
  margin-top: 64px;
  padding: 36px 40px 36px 56px;
  border-left: 3px solid var(--orange-500);
  background: rgba(249, 115, 22, 0.04);
  border-radius: 0 12px 12px 0;
}

.about-founder-quote__mark {
  position: absolute;
  top: 10px;
  left: 16px;
  font-family: Georgia, serif;
  font-size: 5rem;
  line-height: 1;
  color: var(--orange-500);
  opacity: 0.25;
}

.about-founder-quote p {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.8;
  margin: 0 0 16px 0;
}

.about-founder-quote cite {
  display: block;
  font-size: 0.85rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--orange-500);
}

.about-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(249,115,22,0.15), transparent 70%);
  border-radius: 50%;
  top: -50px;
  right: -50px;
  filter: blur(60px);
  z-index: -1;
}

/* ============ DIFFERENTIATORS / NEDEN BİZ ============ */
.differentiators {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.diff-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  transition: all 0.5s var(--ease-out);
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-500), var(--orange-600));
  opacity: 0;
  transition: opacity 0.5s;
}

.diff-card:hover {
  background: var(--bg-glass-hover);
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.diff-card:hover::before { opacity: 1; }

.diff-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(249,115,22,0.04));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--orange-400);
  margin-bottom: 24px;
  transition: all 0.4s;
}

.diff-card:hover .diff-icon {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: #fff;
  transform: scale(1.1);
}

.diff-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.diff-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============ EXPERTISE / UZMANLIK ============ */
.expertise {
  padding: var(--section-padding);
  position: relative;
}

.expertise-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 40px 0;
  flex-wrap: wrap;
}

.expertise-tab {
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: all 0.3s;
}

.expertise-tab:hover {
  border-color: var(--border-accent);
  color: var(--text-primary);
}

.expertise-tab.active {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(249,115,22,0.3);
}

.expertise-content {
  display: none;
  animation: fadeIn 0.5s var(--ease-out);
}

.expertise-content.active { display: grid; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.expertise-grid {
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.expertise-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
}

.expertise-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.expertise-image:hover img {
  transform: scale(1.05);
}

.expertise-info h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.expertise-info p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.expertise-tag {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--orange-400);
  background: rgba(249,115,22,0.08);
  border: 1px solid var(--border-accent);
}

/* ============ REFERANS PROJELER ============ */
.projects {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.project-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  cursor: pointer;
  group: true;
  border: 1px solid var(--border-subtle);
  transition: all 0.5s var(--ease-out);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.project-card-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.project-card:hover .project-card-img {
  transform: scale(1.08);
}

.project-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,15,26,0.95) 0%, rgba(8,15,26,0.3) 50%, transparent 100%);
  transition: background 0.5s;
}

.project-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 28px;
}

.project-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--orange-400);
  background: rgba(249,115,22,0.12);
  border: 1px solid var(--border-accent);
  margin-bottom: 10px;
}

.project-card-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.project-card-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============ PROCESS (SÜREÇ) ============ */
.process {
  padding: var(--section-padding);
  position: relative;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 60px;
  position: relative;
}

/* Connector line */
.process-steps::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, var(--orange-500), var(--orange-600), var(--orange-500));
  opacity: 0.3;
}

.process-step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(249,115,22,0.3);
  position: relative;
  z-index: 2;
  transition: all 0.4s var(--ease-spring);
}

.process-step:hover .step-number {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: 0 12px 36px rgba(249,115,22,0.5);
}

.process-step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.process-step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 300px;
  margin: 0 auto;
}

/* ============ PARTNERS ============ */
.partners {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.partners-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  margin-top: 56px;
  flex-wrap: wrap;
}

.partner-logo {
  padding: 24px 40px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  transition: all 0.4s var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
}

.partner-logo:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.partner-logo .partner-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color 0.4s;
}

.partner-logo:hover .partner-name {
  color: var(--orange-400);
}

.partner-logo.featured {
  border-color: var(--border-accent);
  background: rgba(249,115,22,0.06);
  padding: 28px 48px;
}

.partner-logo.featured .partner-name {
  font-size: 1.6rem;
  color: var(--orange-400);
}

/* ============ CTA SECTION ============ */
.cta-section {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
}

.cta-wrapper {
  position: relative;
  background: linear-gradient(135deg, rgba(249,115,22,0.08), rgba(249,115,22,0.02));
  border: 1px solid var(--border-accent);
  border-radius: 32px;
  padding: 80px 60px;
  text-align: center;
  overflow: hidden;
}

.cta-wrapper::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 70% 30%, rgba(249,115,22,0.1), transparent 50%);
  animation: ctaGlow 10s ease-in-out infinite;
}

@keyframes ctaGlow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-5%, 5%); }
}

.cta-wrapper h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 20px;
  position: relative;
}

.cta-wrapper p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
  position: relative;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  position: relative;
}

/* ============ CONTACT ============ */
.contact {
  padding: var(--section-padding);
  background: var(--bg-secondary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 56px;
}

.contact-info-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  transition: all 0.4s;
}

.contact-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  transform: translateX(6px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(249,115,22,0.04));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-400);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: block;
}

.contact-item-value {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

.contact-item a.contact-item-value:hover {
  color: var(--orange-400);
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  position: relative;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 16px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.3s;
  outline: none;
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--orange-500);
  box-shadow: 0 0 0 3px rgba(249,115,22,0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ============ FOOTER ============ */
.footer {
  background: rgba(8, 15, 26, 0.95);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.3s;
}

.footer-social a:hover {
  background: var(--orange-500);
  border-color: var(--orange-500);
  color: #fff;
  transform: translateY(-3px);
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: all 0.3s;
}

.footer-links a:hover {
  color: var(--orange-400);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  box-shadow: 0 4px 24px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all 0.3s;
  animation: whatsappPulse 3s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 40px rgba(37,211,102,0.5);
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,0.6); }
}

/* ============ SCROLL REVEAL ============ */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s var(--ease-out);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.8s var(--ease-out);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.8s var(--ease-out);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ============ MARQUEE ============ */
.marquee-section {
  padding: 24px 0;
  background: linear-gradient(90deg, var(--orange-600), var(--orange-500), var(--orange-600));
  overflow: hidden;
  position: relative;
}

.marquee-track {
  display: flex;
  gap: 60px;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.marquee-item {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.marquee-item .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============ CREDENTIALS BAR ============ */
.credentials {
  padding: 60px 0;
  position: relative;
}

.credentials::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.credentials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.credential-item {
  text-align: center;
  padding: 28px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  transition: all 0.4s;
}

.credential-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.credential-item i {
  font-size: 1.5rem;
  color: var(--orange-400);
  margin-bottom: 12px;
  display: block;
}

.credential-item strong {
  font-size: 0.9rem;
  display: block;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.credential-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .diff-grid {
    grid-template-columns: 1fr 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr 1fr;
  }

  .expertise-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .process-steps::before { display: none; }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .credentials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(8, 15, 26, 0.97);
    backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.5s var(--ease-out);
    z-index: 1000;
  }

  .nav.active {
    transform: translateX(0);
  }

  .nav-link {
    font-size: 1.2rem;
    padding: 12px 24px;
  }

  .hamburger { display: flex; }

  .header-phone span { display: none; }

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

  .hero-title {
    font-size: clamp(2rem, 6vw, 2.8rem);
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .diff-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .cta-wrapper {
    padding: 48px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .credentials-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .stat-item::after { display: none; }

  .stat-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-subtle);
  }


  .credentials-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ ACHIEVEMENTS (BAŞARILARIMIZ) ============ */
.achievements {
  padding: var(--section-padding);
  background: var(--bg-secondary);
  position: relative;
}

.achievements::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.achievement-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  transition: all 0.5s var(--ease-out);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.achievement-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-500), var(--orange-600));
  opacity: 0;
  transition: opacity 0.5s;
}

.achievement-card:hover {
  background: var(--bg-glass-hover);
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.achievement-card:hover::before { opacity: 1; }

.achievement-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(249,115,22,0.04));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--orange-400);
  margin-bottom: 24px;
  transition: all 0.4s;
}

.achievement-card:hover .achievement-icon {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: #fff;
  transform: scale(1.1);
}

.achievement-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.achievement-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.achievement-content p strong {
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .achievements-grid {
    grid-template-columns: 1fr;
  }
}

/* ============ RESIDENTIAL (BİREYSEL ÇELİK KONUT) ============ */
.residential {
  padding: var(--section-padding);
  background: var(--bg-primary);
  position: relative;
}

.residential::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
}

.residential-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.section-tag-new {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-accent);
  margin-bottom: 16px;
  background: rgba(249, 115, 22, 0.08);
  padding: 8px 20px;
  border-radius: 100px;
  border: 1px solid var(--border-accent);
}

.section-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 20px;
}

.section-text strong {
  color: var(--text-primary);
}

.residential-quote {
  position: relative;
  padding: 24px 28px;
  margin: 32px 0 0;
  background: linear-gradient(135deg, rgba(249,115,22,0.06), rgba(249,115,22,0.02));
  border-left: 3px solid var(--orange-500);
  border-radius: 0 16px 16px 0;
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.8;
}

.residential-quote::before {
  content: '\201C';
  font-family: Georgia, serif;
  font-size: 4rem;
  color: var(--orange-500);
  opacity: 0.3;
  position: absolute;
  top: -8px;
  left: 12px;
  line-height: 1;
}

.residential-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feature-box {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  transition: all 0.4s var(--ease-out);
}

.feature-box:hover {
  border-color: var(--border-accent);
  background: var(--bg-glass-hover);
  transform: translateX(8px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(249,115,22,0.12), rgba(249,115,22,0.04));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange-400);
  font-size: 1.1rem;
  flex-shrink: 0;
  transition: all 0.4s;
}

.feature-box:hover .feature-icon {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
  color: #fff;
  transform: scale(1.1);
}

.feature-text h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.feature-text p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .residential-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}