/* =========================================================
   CRETAN GROWTH MARKETING — Modern Growth Agency Design
   ========================================================= */

/* ===== FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --black: #0a0a0a;
  --near-black: #0f0f0f;
  --dark: #1a1a1a;
  --dark-card: #141414;
  --dark-surface: #1e1e1e;

  --cretan-navy: #111a4d;
  --cretan-ink: #111827;
  --cretan-muted: #5f6673;
  --cretan-line: #dfe7ee;
  --cretan-soft: #f6f9fb;
  --cretan-lime: #059669;
  --cretan-teal: #05bfa5;
  --cretan-blue: #2754d8;
  --cretan-coral: #ff7b59;

  --accent: #059669;
  --accent-light: #10b981;
  --accent-dim: rgba(5, 150, 105, 0.15);
  --accent-glow: rgba(5, 150, 105, 0.25);

  --navy-overlay: rgba(17, 26, 77, 0.7);
  --navy-solid: #111a4d;

  --white: #ffffff;
  --off-white: #f5f7f9;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-300: #b0b0b0;
  --gray-400: #808080;
  --gray-500: #606060;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --text-muted: #999;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --shadow-accent: 0 4px 20px rgba(5, 150, 105, 0.3);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
}

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

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

body { font-family: var(--font-sans); background: var(--off-white); color: var(--text-primary); line-height: 1.6; overflow-x: hidden; }

::selection { background: var(--accent); color: var(--black); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--off-white); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; font-family: var(--font-sans); }

/* ===== UTILITY ===== */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 5rem 1.5rem; }
@media (min-width: 768px) { .section { padding: 7rem 2rem; } }

.section-header { text-align: center; max-width: 700px; margin: 0 auto 3.5rem; }

.section-tag {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.4rem 1rem; background: var(--accent-dim);
  border: 1px solid rgba(5, 150, 105, 0.2);
  border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 700;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem;
}

.section-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 800; line-height: 1.12; margin-bottom: 1rem; }
.section-subtitle { font-size: 1.05rem; line-height: 1.7; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.85rem 2rem; font-size: 0.9rem; font-weight: 600;
  border-radius: var(--radius-full); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none; font-family: var(--font-sans); white-space: nowrap; line-height: 1;
}
.btn-primary { background: var(--accent); color: var(--black); box-shadow: var(--shadow-accent); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(5, 150, 105, 0.4); }
.btn-outline { background: transparent; border: 2px solid var(--gray-300); color: var(--text-secondary); }
.btn-outline-dark { border: 2px solid rgba(255,255,255,0.25); color: rgba(255,255,255,0.8); }
.btn-outline:hover, .btn-outline-dark:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--dark); transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--black); }
.btn-white:hover { background: var(--off-white); transform: translateY(-2px); }
.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.8rem; }
.btn-lg { padding: 1.1rem 2.5rem; font-size: 1rem; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0.6rem 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--cretan-navy);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.navbar.scrolled {
  background: rgba(17, 26, 77, 0.96);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  padding: 0.4rem 0;
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 0 1rem;
}
.navbar-logo { display: flex; align-items: center; margin-right: auto; }
.navbar-logo img { height: 50px; width: auto; object-fit: contain; filter: brightness(0) invert(1); }

.navbar-links { display: none; gap: 2rem; align-items: center; }
.navbar-links a {
  font-size: 0.9rem; font-weight: 600;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s; position: relative; padding: 0.25rem 0;
}
.navbar-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width 0.3s; border-radius: 1px;
}
.navbar-links a:hover, .navbar-links a.active { color: var(--accent); }
.navbar-links a:hover::after, .navbar-links a.active::after { width: 100%; }

.navbar-actions { display: flex; align-items: center; gap: 0.75rem; }

.lang-toggle {
  display: flex; align-items: center; gap: 0.3rem;
  padding: 0.4rem 0.85rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px; color: rgba(255,255,255,0.7);
  font-size: 0.75rem; font-weight: 700; cursor: pointer;
  transition: all 0.2s; font-family: var(--font-sans);
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }

.mobile-menu-btn {
  display: flex; align-items: center; justify-content: center;
  width: 2.4rem; height: 2.4rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px; color: rgba(255,255,255,0.7); cursor: pointer; transition: all 0.2s;
}
.mobile-menu-btn:hover { border-color: var(--accent); color: var(--accent); }
.mobile-menu-btn svg { width: 1.2rem; height: 1.2rem; }

@media (min-width: 1024px) { .navbar-links { display: flex; } .mobile-menu-btn { display: none; } }

/* ===== MOBILE MENU ===== */
.mobile-menu {
  position: fixed; top: 0; right: 0; bottom: 0; width: 320px; max-width: 90vw;
  background: var(--near-black); z-index: 2000; transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 2rem; display: flex; flex-direction: column;
  border-left: 1px solid rgba(255,255,255,0.06);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-close {
  align-self: flex-end; background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.6); cursor: pointer; width: 2.4rem; height: 2.4rem;
  display: flex; align-items: center; justify-content: center;
}
.mobile-menu-close svg { width: 1.2rem; height: 1.2rem; }
.mobile-menu-links { margin-top: 2.5rem; display: flex; flex-direction: column; gap: 0.25rem; }
.mobile-menu-links a {
  padding: 0.85rem 1rem; font-size: 1rem; font-weight: 500;
  color: rgba(255,255,255,0.6); border-radius: var(--radius-sm); transition: all 0.2s;
}
.mobile-menu-links a:hover { background: var(--accent-dim); color: var(--accent); }
.mobile-menu-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 1500; opacity: 0; pointer-events: none; transition: opacity 0.4s;
}
.mobile-menu-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-menu hr { border-color: rgba(255,255,255,0.06); margin: 1rem 0; }

/* ===== HERO — MOVING SLIDER ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--cretan-navy); overflow: hidden;
}

.hero-video-bg {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
.hero-video-bg video {
  width: 100%; height: 100%; object-fit: cover;
}

.hero-video-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(17,26,77,0.85) 0%, rgba(17,26,77,0.6) 50%, rgba(17,26,77,0.85) 100%);
}

/* Floating animated shapes */
.hero-shapes {
  position: absolute; inset: 0; z-index: 2; overflow: hidden; pointer-events: none;
}
.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  animation: floatShape 12s ease-in-out infinite;
}
.hero-shape:nth-child(1) {
  width: 120px; height: 120px;
  background: var(--accent);
  top: 15%; left: 10%;
  animation-duration: 14s;
}
.hero-shape:nth-child(2) {
  width: 80px; height: 80px;
  background: var(--accent);
  top: 60%; left: 85%;
  animation-duration: 11s;
  animation-delay: -2s;
}
.hero-shape:nth-child(3) {
  width: 160px; height: 160px;
  background: var(--cretan-teal);
  top: 70%; left: 20%;
  animation-duration: 16s;
  animation-delay: -5s;
  border-radius: 30%;
}
.hero-shape:nth-child(4) {
  width: 60px; height: 60px;
  background: var(--white);
  top: 25%; left: 75%;
  animation-duration: 10s;
  animation-delay: -3s;
  border-radius: 20%;
}
.hero-shape:nth-child(5) {
  width: 200px; height: 200px;
  background: var(--cretan-blue);
  top: 40%; left: 50%;
  animation-duration: 18s;
  animation-delay: -7s;
  opacity: 0.04;
}

@keyframes floatShape {
  0% { transform: translate(0, 0) scale(1) rotate(0deg); }
  25% { transform: translate(30px, -40px) scale(1.1) rotate(90deg); }
  50% { transform: translate(-20px, 20px) scale(0.9) rotate(180deg); }
  75% { transform: translate(40px, -10px) scale(1.05) rotate(270deg); }
  100% { transform: translate(0, 0) scale(1) rotate(360deg); }
}

.hero-bg-pattern {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 96px 96px;
}

.hero::before {
  content: ''; position: absolute; inset: 0; z-index: 4;
  background:
    radial-gradient(ellipse at 75% 25%, rgba(5, 150, 105, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 25% 75%, rgba(5, 191, 165, 0.06) 0%, transparent 50%);
  pointer-events: none;
  animation: pulseGlow 6s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.hero-content { position: relative; z-index: 10; width: 100%; max-width: 1050px; margin: 0 auto; padding: 0 1.5rem; text-align: center; }
.hero-text { max-width: 850px; margin: 0 auto; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.2rem; background: var(--accent-dim);
  border: 1px solid rgba(5, 150, 105, 0.2); border-radius: var(--radius-full);
  color: var(--accent); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
  margin-bottom: 1.5rem; text-transform: uppercase;
  animation: fadeInUp 0.8s ease forwards; opacity: 0;
}
.hero-badge svg { width: 1rem; height: 1rem; }

.hero-text h1 {
  font-family: var(--font-display); font-size: clamp(2.5rem, 5.5vw, 4.75rem);
  font-weight: 800; line-height: 1.06; color: var(--white);
  margin-bottom: 1.25rem; letter-spacing: -0.02em;
  opacity: 0; animation: fadeInUp 0.8s ease 0.15s forwards;
}
.hero-text h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-text p {
  font-size: 1.15rem; color: rgba(255,255,255,0.6); line-height: 1.8;
  max-width: 44rem; margin: 0 auto 2.5rem;
  opacity: 0; animation: fadeInUp 0.8s ease 0.3s forwards;
}
.hero-cta {
  display: flex; flex-direction: column; gap: 0.75rem; justify-content: center;
  opacity: 0; animation: fadeInUp 0.8s ease 0.45s forwards;
}
@media (min-width: 640px) { .hero-cta { flex-direction: row; align-items: center; justify-content: center; } }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(25px); } to { opacity: 1; transform: translateY(0); } }

/* ===== HERO TICKER ===== */
.hero-ticker {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 10;
  overflow: hidden; border-top: 1px solid rgba(255,255,255,0.04);
  background: rgba(10, 10, 10, 0.9); backdrop-filter: blur(10px);
}
.hero-ticker .ticker-row { padding: 0.5rem 0; overflow: hidden; border-bottom: 1px solid rgba(255,255,255,0.03); }
.hero-ticker .ticker-row:last-child { border-bottom: none; }
.hero-ticker .ticker-track {
  display: flex; gap: 2rem; width: max-content;
  animation: tickerScroll var(--dur, 40s) linear infinite;
  animation-direction: normal; padding: 0 1rem;
}
.hero-ticker .ticker-row[style*="--dir:-1"] .ticker-track { animation-direction: reverse; }
.hero-ticker .ticker-item {
  display: flex; align-items: center; gap: 0.625rem; white-space: nowrap;
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700;
  color: #fbbf24; text-transform: uppercase; letter-spacing: 0.08em;
}
.hero-ticker .ticker-item svg { width: 0.9rem; height: 0.9rem; opacity: 0.6; flex-shrink: 0; color: #fbbf24; }
.hero-ticker .ticker-dot { width: 3px; height: 3px; border-radius: 50%; background: #fbbf24; opacity: 0.4; margin-left: 0.3rem; }

@keyframes tickerScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* ===== DARK TRANSITION SECTIONS ===== */
/* Hero: mavi → Stats: beyaz → Services: beyaz → Process: siyah → Why: beyaz → Portfolio: off-white → References: beyaz → FAQ: off-white → CTA: siyah → Footer: near-black */

.stats-banner { background: var(--white); padding: 3rem 1.5rem; border-bottom: 1px solid var(--gray-200); }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; max-width: 1000px; margin: 0 auto; text-align: center; }
@media (min-width: 768px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-item { position: relative; }
.stat-item:not(:last-child)::after {
  display: none; content: ''; position: absolute; right: -1rem; top: 50%;
  transform: translateY(-50%); width: 1px; height: 35px; background: var(--gray-200);
}
@media (min-width: 768px) { .stat-item:not(:last-child)::after { display: block; } }
.stat-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 0.25rem; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 500; }

/* Services — white bg */
.services { background: var(--white); }
.services-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 1100px; margin: 0 auto; }
@media (min-width: 768px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }

.service-accordion { background: var(--off-white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); overflow: hidden; transition: all 0.3s; }
.service-accordion:hover { border-color: rgba(5, 150, 105, 0.3); }
.service-accordion-header { width: 100%; padding: 1.5rem 1.75rem; background: none; border: none; display: flex; align-items: center; gap: 1rem; text-align: left; cursor: pointer; font-family: var(--font-sans); transition: background 0.2s; }
.service-accordion-header:hover { background: rgba(5, 150, 105, 0.03); }
.service-accordion-icon { width: 3rem; height: 3rem; display: flex; align-items: center; justify-content: center; background: var(--accent-dim); border-radius: var(--radius-md); color: var(--accent); flex-shrink: 0; transition: all 0.3s; }
.service-accordion.open .service-accordion-icon { background: var(--accent); color: var(--black); }
.service-accordion-icon svg { width: 1.5rem; height: 1.5rem; }
.service-accordion-header-content { flex: 1; }
.service-accordion-header-content h3 { font-size: 1.1rem; font-weight: 700; color: var(--black); margin-bottom: 0.15rem; }
.service-accordion-header-content .service-highlight { font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }
.service-accordion-arrow { color: var(--gray-300); flex-shrink: 0; transition: transform 0.3s; }
.service-accordion.open .service-accordion-arrow { transform: rotate(180deg); color: var(--accent); }
.service-accordion-arrow svg { width: 1.25rem; height: 1.25rem; }
.service-accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.service-accordion-body-inner { padding: 0 1.75rem 1.75rem; }
.service-accordion-body-inner p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 1.25rem; }

/* Innovation — off-white bg */
.innovation { background: var(--off-white); position: relative; overflow: hidden; }
.innovation-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.innovation-shape { position: absolute; width: 300px; height: 300px; border-radius: 50%; opacity: 0.04; }
.innovation-shape:nth-child(1) { background: var(--accent); top: -100px; right: -100px; }
.innovation-shape:nth-child(2) { background: var(--cretan-teal); bottom: -150px; left: -150px; }
.innovation-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; max-width: 1100px; margin: 0 auto; align-items: center; }
@media (min-width: 768px) { .innovation-grid { grid-template-columns: 1fr 1fr; } }
.innovation-text .section-tag { margin-bottom: 1rem; }
.innovation-text .section-title { color: var(--black); }
.innovation-text p { color: var(--text-secondary); font-size: 1rem; line-height: 1.7; }
.innovation-features { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-top: 1.5rem; }
.innovation-feature { display: flex; align-items: center; gap: 0.625rem; padding: 0.6rem 1rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.innovation-feature svg { width: 1.1rem; height: 1.1rem; color: var(--accent); flex-shrink: 0; }
.innovation-card-stack { display: flex; flex-direction: column; gap: 1rem; }
.innovation-card-item { background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 1.5rem; transition: all 0.3s; }
.innovation-card-item:hover { border-color: var(--accent); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.innovation-card-item .card-percent { font-family: var(--font-display); font-size: 2.25rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 0.35rem; }
.innovation-card-item h4 { font-size: 0.95rem; font-weight: 700; color: var(--black); margin-bottom: 0.2rem; }
.innovation-card-item p { font-size: 0.8rem; color: var(--text-muted); }

/* Process — dark bg transition */
.process { background: var(--near-black); color: var(--white); }
.process .section-title { color: var(--white); }
.process .section-subtitle { color: rgba(255,255,255,0.5); }
.process-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 1100px; margin: 0 auto; }
@media (min-width: 768px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
.process-card { background: var(--dark-card); border: 1px solid rgba(255,255,255,0.06); border-radius: var(--radius-lg); padding: 1.75rem; transition: all 0.3s; position: relative; overflow: hidden; }
.process-card:hover { border-color: rgba(5, 150, 105, 0.2); background: rgba(255,255,255,0.03); }
.process-card-number { font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; color: rgba(5, 150, 105, 0.15); line-height: 1; margin-bottom: 0.75rem; }
.process-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 0.5rem; }
.process-card p { font-size: 0.85rem; color: rgba(255,255,255,0.4); line-height: 1.7; }

/* Why — white */
.why { background: var(--white); }
.why-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 1100px; margin: 0 auto; }
@media (min-width: 640px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }
.why-card { padding: 1.75rem 1.5rem; text-align: center; background: var(--off-white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); transition: all 0.3s; }
.why-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.why-card-icon { width: 3rem; height: 3rem; margin: 0 auto 1rem; display: flex; align-items: center; justify-content: center; background: var(--accent-dim); border-radius: var(--radius-md); color: var(--accent); }
.why-card-icon svg { width: 1.4rem; height: 1.4rem; }
.why-card h4 { font-size: 1rem; font-weight: 700; color: var(--black); margin-bottom: 0.4rem; }
.why-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* Platforms — Corporate Logo Grid */
.platforms { background: var(--off-white); padding-bottom: 3rem; }
.platforms-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem;
  max-width: 800px; margin: 0 auto;
}
@media (min-width: 640px) { .platforms-grid { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1024px) { .platforms-grid { grid-template-columns: repeat(6, 1fr); } }

.platform-card {
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  padding: 1.25rem 0.75rem; text-align: center;
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); transition: all 0.25s ease;
  cursor: default;
}
.platform-card:hover {
  border-color: var(--gray-300); box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.platform-icon {
  width: 2rem; height: 2rem; display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
  border-radius: 50%; color: #fff;
  font-size: 0.75rem; font-weight: 700; font-family: var(--font-sans);
  line-height: 1; letter-spacing: 0;
}
.platform-card span {
  font-size: 0.72rem; font-weight: 700; color: var(--text-primary);
  letter-spacing: 0.02em; text-transform: uppercase;
}

/* Portfolio */
.portfolio { background: var(--off-white); }
.portfolio-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 1100px; margin: 0 auto; }
@media (min-width: 640px) { .portfolio-grid { grid-template-columns: repeat(2, 1fr); } }
.portfolio-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--white); border: 1px solid var(--gray-200); transition: all 0.3s; }
.portfolio-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.portfolio-image { width: 100%; height: 180px; background: linear-gradient(135deg, var(--near-black), var(--dark)); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.portfolio-image .grid-overlay { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px); background-size: 20px 20px; }
.portfolio-image .port-icon { width: 2.5rem; height: 2.5rem; color: rgba(5, 150, 105, 0.3); position: relative; z-index: 1; }
.portfolio-body { padding: 1.25rem 1.5rem 1.5rem; }
.portfolio-category { display: inline-block; padding: 0.2rem 0.7rem; background: var(--accent-dim); color: var(--accent); font-size: 0.7rem; font-weight: 600; border-radius: var(--radius-full); margin-bottom: 0.6rem; text-transform: uppercase; letter-spacing: 0.05em; }
.portfolio-body h3 { font-size: 1.05rem; font-weight: 700; color: var(--black); margin-bottom: 0.35rem; }
.portfolio-body p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* References */
.references { background: var(--white); overflow: hidden; }
.ref-marquee { position: relative; overflow: hidden; padding: 2rem 0; }
.ref-marquee-track { display: flex; gap: 3rem; animation: marqueeScroll 35s linear infinite; width: max-content; }
@keyframes marqueeScroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.ref-logo { height: 50px; width: auto; opacity: 0.25; transition: opacity 0.3s; filter: grayscale(1); }
.ref-logo:hover { opacity: 0.6; filter: grayscale(0); }
.ref-testimonials { display: grid; grid-template-columns: 1fr; gap: 1rem; max-width: 1100px; margin: 3rem auto 0; }
@media (min-width: 640px) { .ref-testimonials { grid-template-columns: repeat(2, 1fr); } }
.ref-card { padding: 1.75rem; background: var(--off-white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); transition: all 0.3s; }
.ref-card:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.ref-stars { display: flex; gap: 0.2rem; margin-bottom: 0.75rem; }
.ref-stars svg { width: 0.9rem; height: 0.9rem; color: #f59e0b; }
.ref-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; font-style: italic; margin-bottom: 1.25rem; }
.ref-author { display: flex; align-items: center; gap: 0.75rem; }
.ref-avatar { width: 2.25rem; height: 2.25rem; border-radius: 50%; background: linear-gradient(135deg, var(--accent), var(--accent-light)); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.75rem; color: var(--black); flex-shrink: 0; }
.ref-author-info h4 { font-size: 0.85rem; font-weight: 600; color: var(--black); }
.ref-author-info span { font-size: 0.75rem; color: var(--text-muted); }

/* FAQ */
.faq { background: var(--off-white); }
.faq-list { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.75rem; }
.faq-item { border: 1px solid var(--gray-200); border-radius: var(--radius-md); overflow: hidden; transition: all 0.3s; background: var(--white); }
.faq-item:hover { border-color: var(--accent); }
.faq-question { width: 100%; padding: 1.15rem 1.5rem; background: none; border: none; display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-family: var(--font-sans); font-size: 0.95rem; font-weight: 600; color: var(--black); text-align: left; transition: all 0.2s; }
.faq-question:hover { color: var(--accent); }
.faq-question svg { width: 1.2rem; height: 1.2rem; transition: transform 0.3s; flex-shrink: 0; color: var(--text-muted); }
.faq-item.open .faq-question svg { transform: rotate(180deg); color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.faq-answer-inner { padding: 0 1.5rem 1.25rem; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* CTA — dark */
.cta-section { background: var(--black); color: var(--white); text-align: center; padding: 6rem 1.5rem; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 25% 75%, rgba(5, 150, 105, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 75% 25%, rgba(5, 150, 105, 0.04) 0%, transparent 50%); pointer-events: none; }
.cta-content { position: relative; z-index: 1; max-width: 600px; margin: 0 auto; }
.cta-content h2 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.75rem); font-weight: 800; line-height: 1.12; margin-bottom: 0.75rem; }
.cta-content p { color: rgba(255,255,255,0.5); font-size: 1.05rem; margin-bottom: 2rem; }
.cta-buttons { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

/* Form */
.form-section { background: var(--white); }
.form-wrapper { display: grid; grid-template-columns: 1fr; gap: 3rem; max-width: 1000px; margin: 0 auto; align-items: center; }
@media (min-width: 768px) { .form-wrapper { grid-template-columns: 1fr 1fr; } }
.form-text .section-title { color: var(--black); }
.form-text p { color: var(--text-secondary); font-size: 1rem; line-height: 1.7; }
.form-box { background: var(--off-white); border: 1px solid var(--gray-200); border-radius: var(--radius-lg); padding: 2rem; }
.form-box h3 { font-family: var(--font-display); font-size: 1.35rem; font-weight: 800; color: var(--black); margin-bottom: 1.25rem; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.3rem; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 0.8rem 1rem; background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-sm); color: var(--text-primary); font-size: 0.9rem; font-family: var(--font-sans); transition: all 0.2s; outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1); }
.form-group textarea { min-height: 5rem; resize: vertical; }
.form-success { padding: 0.85rem 1rem; background: rgba(5, 150, 105, 0.1); border: 1px solid rgba(5, 150, 105, 0.3); border-radius: var(--radius-sm); color: #5a8a1a; font-size: 0.85rem; display: none; margin-top: 0.75rem; }
.form-success.show { display: block; animation: fadeInUp 0.3s ease; }

/* Page header — mavi */
.page-header { padding: 7rem 1.5rem 3.5rem; background: var(--cretan-navy); color: var(--white); text-align: center; position: relative; overflow: hidden; }
.page-header::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 70%, rgba(5, 150, 105, 0.06) 0%, transparent 50%), radial-gradient(ellipse at 70% 30%, rgba(5, 150, 105, 0.03) 0%, transparent 50%); }
.page-header-inner { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 0.4rem; margin-bottom: 1.25rem; font-size: 0.8rem; color: rgba(255,255,255,0.3); }
.breadcrumb a { color: rgba(255,255,255,0.5); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.page-header h1 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1.1; margin-bottom: 0.75rem; }
.page-header p { font-size: 1rem; color: rgba(255,255,255,0.45); max-width: 36rem; margin: 0 auto; }

/* Footer — koyu */
.footer { background: var(--near-black); color: rgba(255,255,255,0.7); padding: 4rem 1.5rem 2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; max-width: 1100px; margin: 0 auto; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-brand h3 { font-family: var(--font-display); font-size: 1.35rem; font-weight: 800; color: var(--white); margin-bottom: 0.75rem; }
.footer-brand h3 span { color: var(--accent); }
.footer-brand p { font-size: 0.85rem; color: rgba(255,255,255,0.35); line-height: 1.7; max-width: 22rem; }
.footer-col h4 { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); margin-bottom: 1rem; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a { font-size: 0.85rem; color: rgba(255,255,255,0.35); transition: color 0.2s; }
.footer-col a:hover { color: var(--accent); }
.footer-cta { max-width: 1000px; margin: 2.5rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); display: flex; flex-direction: column; align-items: center; gap: 0.75rem; text-align: center; }
.footer-cta p { color: rgba(255,255,255,0.5); font-size: 0.95rem; font-weight: 500; }
.footer-bottom { max-width: 1100px; margin: 2rem auto 0; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.04); display: flex; flex-direction: column; align-items: center; gap: 0.5rem; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.2); }

/* WhatsApp float */
.whatsapp-float { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999; display: flex; align-items: center; gap: 0.75rem; }
.whatsapp-label { background: var(--near-black); padding: 0.65rem 1.15rem; border-radius: var(--radius-full); box-shadow: var(--shadow-lg); font-size: 0.8rem; font-weight: 500; color: var(--white); border: 1px solid rgba(255,255,255,0.08); opacity: 0; transform: translateX(10px); transition: all 0.3s; pointer-events: none; white-space: nowrap; }
.whatsapp-float:hover .whatsapp-label { opacity: 1; transform: translateX(0); }
.whatsapp-btn { width: 3.25rem; height: 3.25rem; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35); transition: all 0.3s; flex-shrink: 0; }
.whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45); }
.whatsapp-btn svg { width: 1.4rem; height: 1.4rem; color: white; }

/* Spinner */
.spinner { width: 1.2rem; height: 1.2rem; border: 2px solid transparent; border-top-color: currentColor; border-radius: 50%; animation: spin 0.6s linear infinite; display: none; }
.btn-loading { pointer-events: none; opacity: 0.7; }
.btn-loading .spinner { display: inline-block; }
.btn-loading .btn-text { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Animations */
.animate-on-scroll { opacity: 0; transform: translateY(25px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }
.animate-on-scroll[data-delay="1"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="2"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="3"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="4"] { transition-delay: 0.4s; }
.animate-on-scroll[data-delay="5"] { transition-delay: 0.5s; }
.animate-on-scroll[data-delay="6"] { transition-delay: 0.6s; }
.animate-on-scroll[data-delay="7"] { transition-delay: 0.7s; }
.animate-on-scroll[data-delay="8"] { transition-delay: 0.8s; }

/* Responsive */
@media (max-width: 639px) {
  .section { padding: 3.5rem 1rem; }
  .section-header { margin-bottom: 2rem; }
  .stat-number { font-size: 2rem; }
  .form-box { padding: 1.5rem; }
  .process-card { padding: 1.25rem; }
  .service-accordion-header { padding: 1.25rem; }
  .service-accordion-body-inner { padding: 0 1.25rem 1.25rem; }
}

/* Section on dark */
.section-dark { background: var(--near-black); color: var(--white); }
.section-dark .section-title { color: var(--white); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.5); }
.section-dark .section-tag { color: var(--cretan-lime); border-color: rgba(5, 150, 105, 0.3); background: rgba(5, 150, 105, 0.08); }