/* ==========================================================================
   ÇELİKSAN ENDÜSTRİYEL ÜRETİM A.Ş. — Kurumsal Web Sitesi
   Tasarım Sistemi
   ========================================================================== */

:root {
  /* Renk Paleti */
  --color-navy-950: #060e1c;
  --color-navy-900: #0a1830;
  --color-navy-800: #0e2140;
  --color-navy-700: #14305a;
  --color-navy-600: #1c4173;
  --color-steel-700: #3b4a5a;
  --color-steel-500: #5c6b7a;
  --color-steel-300: #93a1ae;
  --color-steel-200: #c3ccd4;
  --color-steel-100: #e4e8ec;
  --color-accent-700: #b8500a;
  --color-accent-600: #d9600c;
  --color-accent-500: #f2760f;
  --color-accent-400: #ff8c2e;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-bg-alt-2: #eef1f4;
  --color-text: #16212f;
  --color-text-muted: #56636f;
  --color-text-soft: #7a8794;
  --color-border: #e2e7eb;
  --color-white: #ffffff;
  --color-success: #1f8a5f;

  /* Tipografi */
  --font-heading: 'Outfit', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Boşluk / Ölçek */
  --container-width: 1240px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(10, 24, 48, 0.06);
  --shadow-md: 0 8px 30px rgba(10, 24, 48, 0.10);
  --shadow-lg: 0 20px 60px rgba(10, 24, 48, 0.16);
  --shadow-accent: 0 10px 30px rgba(242, 118, 15, 0.28);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --header-height: 88px;
}

.skip-link { position: absolute; left: -999px; top: 0; background: var(--color-accent-500); color: #fff; padding: 14px 24px; z-index: 2000; border-radius: 0 0 10px 0; font-family: var(--font-heading); font-weight: 600; }
.skip-link:focus { left: 0; }

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy-900);
  line-height: 1.18;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.4rem, 4.2vw, 4.2rem); }
h2 { font-size: clamp(1.9rem, 3vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 1.8vw, 1.6rem); }
p { color: var(--color-text-muted); }

/* ---------- Yapı Yardımcıları ---------- */
.container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 120px 0; position: relative; }
.section-tight { padding: 80px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: linear-gradient(160deg, var(--color-navy-900), var(--color-navy-950)); color: var(--color-white); }
.section-navy h2, .section-navy h3 { color: var(--color-white); }
.section-navy p { color: var(--color-steel-200); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-600);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--color-accent-500);
  display: inline-block;
}
.section-navy .eyebrow { color: var(--color-accent-400); }

.section-head { max-width: 680px; margin-bottom: 64px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 18px; font-size: 1.08rem; }

.grid { display: grid; gap: 32px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.text-accent { color: var(--color-accent-500); }
.divider-line { height: 1px; background: var(--color-border); border: none; margin: 0; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.01em;
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out), background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform 0.35s var(--ease-out); }
.btn-primary { background: var(--color-accent-500); color: var(--color-white); box-shadow: var(--shadow-accent); }
.btn-primary:hover { background: var(--color-accent-600); transform: translateY(-3px); box-shadow: 0 16px 40px rgba(242, 118, 15, 0.36); }
.btn-outline { background: transparent; color: var(--color-navy-900); border: 1.5px solid var(--color-border); }
.btn-outline:hover { border-color: var(--color-navy-900); background: var(--color-navy-900); color: var(--color-white); transform: translateY(-3px); }
.btn-ghost-light { background: rgba(255,255,255,0.08); color: var(--color-white); border: 1.5px solid rgba(255,255,255,0.35); backdrop-filter: blur(6px); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.7); transform: translateY(-3px); }
.btn-sm { padding: 12px 24px; font-size: 0.88rem; }
.btn-block { width: 100%; }
.btn:hover svg { transform: translateX(3px); }

/* ---------- Üst Bilgi Şeridi ---------- */
.topbar {
  background: var(--color-navy-950);
  color: var(--color-steel-200);
  font-size: 0.84rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; height: 44px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 26px; }
.topbar a, .topbar span { color: var(--color-steel-200); display: inline-flex; align-items: center; gap: 7px; }
.topbar a:hover { color: var(--color-accent-400); }
.topbar svg { width: 14px; height: 14px; flex-shrink: 0; }
.topbar-badge { color: var(--color-accent-400); font-weight: 600; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.4s var(--ease-out), border-color 0.4s ease, height 0.3s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); border-color: var(--color-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); transition: height 0.3s ease; }
.site-header.is-scrolled .header-inner { height: 74px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 46px; height: 46px; flex-shrink: 0; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-heading); font-weight: 800; font-size: 1.18rem; color: var(--color-navy-900); letter-spacing: -0.01em; }
.brand-sub { font-size: 0.66rem; letter-spacing: 0.12em; color: var(--color-steel-500); text-transform: uppercase; font-weight: 600; }

.main-nav { display: flex; align-items: center; height: 100%; }
.main-nav > ul { display: flex; align-items: center; gap: 4px; height: 100%; }
.main-nav > ul > li { position: relative; height: 100%; display: flex; align-items: center; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy-900);
  border-radius: 999px;
  transition: background-color 0.3s ease, color 0.3s ease;
}
.nav-link svg { width: 14px; height: 14px; transition: transform 0.3s ease; }
.nav-link:hover, .nav-link.active { background: var(--color-bg-alt-2); color: var(--color-accent-600); }
li.has-mega:hover .nav-link svg { transform: rotate(180deg); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-cta { display: flex; }
.menu-toggle { display: none; width: 46px; height: 46px; border-radius: 50%; align-items: center; justify-content: center; background: var(--color-bg-alt-2); }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ''; display: block; width: 20px; height: 2px; background: var(--color-navy-900); position: relative; transition: all 0.3s ease; }
.menu-toggle { flex-direction: column; gap: 5px; }

/* Mega Menü */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: 820px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr 0.85fr;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out), visibility 0.3s;
  z-index: 400;
}
li.has-mega:hover .mega-menu, li.has-mega:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(6px); }
.mega-col-title { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-steel-500); font-weight: 700; margin-bottom: 14px; padding: 0 14px; }
.mega-link { display: flex; align-items: flex-start; gap: 14px; padding: 12px 14px; border-radius: var(--radius-md); transition: background-color 0.25s ease; }
.mega-link:hover { background: var(--color-bg-alt); }
.mega-link-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--color-bg-alt-2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; color: var(--color-accent-600); }
.mega-link-icon svg { width: 20px; height: 20px; }
.mega-link-title { display: block; font-family: var(--font-heading); font-weight: 700; font-size: 0.94rem; color: var(--color-navy-900); }
.mega-link-desc { display: block; font-size: 0.82rem; color: var(--color-text-soft); margin-top: 2px; }
.mega-promo { grid-column: 3; grid-row: 1 / 3; background: linear-gradient(150deg, var(--color-navy-900), var(--color-navy-800)); border-radius: var(--radius-md); padding: 24px; color: var(--color-white); display: flex; flex-direction: column; justify-content: space-between; }
.mega-promo h4 { color: var(--color-white); font-size: 1.05rem; margin-bottom: 8px; }
.mega-promo p { color: var(--color-steel-200); font-size: 0.85rem; margin-bottom: 16px; }
.mega-promo a { font-size: 0.85rem; font-weight: 700; color: var(--color-accent-400); display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--color-navy-950);
  color: var(--color-white);
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg .hero-photo {
  position: absolute; inset: 0;
  background: linear-gradient(155deg, #0a1830 0%, #102547 38%, #1c3a63 72%, #0a1830 100%);
}
.hero-bg .hero-photo::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(6,14,28,0.55), rgba(6,14,28,0.78)),
    repeating-linear-gradient(115deg, rgba(255,255,255,0.035) 0px, rgba(255,255,255,0.035) 1px, transparent 1px, transparent 68px),
    repeating-linear-gradient(25deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 68px);
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, black, transparent);
}
.hero-glow { position: absolute; width: 900px; height: 900px; border-radius: 50%; background: radial-gradient(circle, rgba(242,118,15,0.18), transparent 68%); top: -280px; right: -280px; filter: blur(10px); }
.hero-illustration { position: absolute; right: 4%; bottom: 0; width: 46%; max-width: 620px; opacity: 0.92; }
.hero-illustration svg { width: 100%; height: auto; }

.hero-content { position: relative; z-index: 2; max-width: 720px; padding-top: var(--header-height); }
.hero-kicker { display: inline-flex; align-items: center; gap: 10px; padding: 9px 18px 9px 10px; border-radius: 999px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.16); backdrop-filter: blur(8px); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 28px; }
.hero-kicker .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-accent-500); box-shadow: 0 0 0 4px rgba(242,118,15,0.25); }
.hero h1 { color: var(--color-white); margin-bottom: 24px; }
.hero h1 em { font-style: normal; color: var(--color-accent-400); }
.hero-desc { font-size: 1.18rem; color: var(--color-steel-200); max-width: 560px; margin-bottom: 44px; }
.hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-bottom: 64px; }
.hero-meta { display: flex; gap: 40px; flex-wrap: wrap; }
.hero-meta-item { border-left: 2px solid var(--color-accent-500); padding-left: 16px; }
.hero-meta-num { font-family: var(--font-heading); font-size: 1.7rem; font-weight: 800; color: var(--color-white); display: block; }
.hero-meta-label { font-size: 0.8rem; color: var(--color-steel-300); }

.scroll-cue { position: absolute; left: 50%; bottom: 34px; transform: translateX(-50%); z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 10px; color: var(--color-steel-200); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; }
.scroll-cue-mouse { width: 26px; height: 42px; border-radius: 14px; border: 1.5px solid rgba(255,255,255,0.4); position: relative; }
.scroll-cue-mouse::after { content: ''; position: absolute; top: 8px; left: 50%; width: 4px; height: 8px; background: var(--color-accent-500); border-radius: 2px; transform: translateX(-50%); animation: scrollCue 1.8s infinite; }
@keyframes scrollCue { 0% { opacity: 1; top: 8px; } 70% { opacity: 0; top: 20px; } 100% { opacity: 0; top: 20px; } }

/* Sayfa üstü sayfa başlıkları (iç sayfalar) */
.page-hero {
  position: relative;
  padding: calc(var(--header-height) + 90px) 0 90px;
  background: var(--color-navy-950);
  color: var(--color-white);
  overflow: hidden;
}
.page-hero .hero-grid-overlay { opacity: 0.7; }
.page-hero .hero-glow { top: -320px; left: -220px; right: auto; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--color-steel-300); margin-bottom: 22px; position: relative; z-index: 2; }
.breadcrumb a:hover { color: var(--color-accent-400); }
.breadcrumb svg { width: 12px; height: 12px; opacity: 0.6; }
.page-hero h1 { position: relative; z-index: 2; color: var(--color-white); max-width: 760px; }
.page-hero-desc { position: relative; z-index: 2; color: var(--color-steel-200); max-width: 620px; margin-top: 18px; font-size: 1.06rem; }

/* ---------- İstatistik / Sayaçlar ---------- */
.stats-strip { background: var(--color-navy-900); position: relative; overflow: hidden; }
.stats-strip::before { content:''; position:absolute; inset:0; background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px); background-size: 42px 42px; }
.stats-grid { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); }
.stat-item { padding: 64px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,0.08); }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: var(--font-heading); font-weight: 800; font-size: clamp(2.1rem, 3vw, 3rem); color: var(--color-white); display: flex; align-items: baseline; justify-content: center; gap: 3px; }
.stat-num .suffix { color: var(--color-accent-400); font-size: 0.6em; }
.stat-label { color: var(--color-steel-300); font-size: 0.9rem; margin-top: 8px; }

/* ---------- Kartlar: Hizmetler ---------- */
.service-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out), border-color 0.45s ease;
}
.service-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(160deg, var(--color-navy-900), var(--color-navy-800)); opacity: 0; transition: opacity 0.45s var(--ease-out); z-index: 0; }
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.service-card:hover::after { opacity: 1; }
.service-card > * { position: relative; z-index: 1; }
.service-icon { width: 60px; height: 60px; border-radius: 16px; background: var(--color-bg-alt-2); display: flex; align-items: center; justify-content: center; color: var(--color-accent-600); margin-bottom: 26px; transition: background-color 0.45s ease, transform 0.45s var(--ease-out); }
.service-icon svg { width: 30px; height: 30px; }
.service-card:hover .service-icon { background: rgba(242,118,15,0.16); transform: scale(1.08) rotate(-4deg); }
.service-card h3 { margin-bottom: 12px; transition: color 0.45s ease; }
.service-card p { font-size: 0.95rem; transition: color 0.45s ease; }
.service-card:hover h3, .service-card:hover p { color: var(--color-white); }
.service-num { position: absolute; top: 28px; right: 32px; font-family: var(--font-heading); font-weight: 800; font-size: 2.2rem; color: var(--color-bg-alt-2); z-index: 0; transition: color 0.45s ease; }
.service-card:hover .service-num { color: rgba(255,255,255,0.08); }
.service-link { margin-top: 22px; display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-weight: 700; font-size: 0.88rem; color: var(--color-navy-900); transition: color 0.4s ease, gap 0.3s ease; }
.service-card:hover .service-link { color: var(--color-accent-400); }
.service-link svg { width: 16px; height: 16px; transition: transform 0.35s var(--ease-out); }
.service-card:hover .service-link svg { transform: translateX(4px); }

/* ---------- Üretim Süreci Timeline ---------- */
.process-timeline { position: relative; }
.process-line { position: absolute; top: 46px; left: 0; right: 0; height: 2px; background: var(--color-border); z-index: 0; }
.process-grid { grid-template-columns: repeat(5, 1fr); position: relative; z-index: 1; }
.process-step { text-align: center; }
.process-badge { width: 92px; height: 92px; border-radius: 50%; background: var(--color-white); border: 2px solid var(--color-border); display: flex; align-items: center; justify-content: center; margin: 0 auto 26px; position: relative; transition: border-color 0.4s ease, transform 0.4s var(--ease-out), box-shadow 0.4s ease; color: var(--color-navy-800); }
.process-badge svg { width: 34px; height: 34px; }
.process-step:hover .process-badge { border-color: var(--color-accent-500); transform: translateY(-6px); box-shadow: var(--shadow-md); color: var(--color-accent-600); }
.process-index { position: absolute; top: -8px; right: -8px; width: 28px; height: 28px; border-radius: 50%; background: var(--color-accent-500); color: var(--color-white); font-family: var(--font-heading); font-weight: 800; font-size: 0.8rem; display: flex; align-items: center; justify-content: center; }
.process-step h3 { font-size: 1.1rem; margin-bottom: 10px; }
.process-step p { font-size: 0.9rem; padding: 0 8px; }

/* ---------- Makine Parkuru ---------- */
.machine-card { background: var(--color-white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out); }
.machine-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.machine-media { aspect-ratio: 4/3; position: relative; overflow: hidden; background: linear-gradient(150deg, var(--color-navy-800), var(--color-navy-950)); }
.machine-media svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.machine-media .machine-tag { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.14); backdrop-filter: blur(6px); color: var(--color-white); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.2); z-index: 2; }
.machine-card:hover .machine-media svg { transform: scale(1.06); }
.machine-media svg { transition: transform 0.6s var(--ease-out); }
.machine-body { padding: 26px 28px 30px; }
.machine-body h3 { margin-bottom: 6px; }
.machine-body .machine-spec-label { font-size: 0.78rem; color: var(--color-text-soft); margin-bottom: 18px; }
.machine-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding-top: 18px; border-top: 1px solid var(--color-border); }
.machine-spec dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-soft); margin-bottom: 4px; }
.machine-spec dd { font-family: var(--font-heading); font-weight: 700; font-size: 0.95rem; color: var(--color-navy-900); }

/* ---------- Neden Biz ---------- */
.why-card { display: flex; gap: 20px; padding: 30px 0; border-bottom: 1px solid var(--color-border); }
.why-card:last-child { border-bottom: none; }
.why-icon { width: 54px; height: 54px; border-radius: 14px; background: var(--color-bg-alt-2); color: var(--color-accent-600); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.why-icon svg { width: 26px; height: 26px; }
.why-text h3 { font-size: 1.08rem; margin-bottom: 8px; }
.why-text p { font-size: 0.94rem; }

/* ---------- Kalite Belgeleri ---------- */
.cert-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out), border-color 0.3s ease; }
.cert-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--color-accent-500); }
.cert-badge { width: 100px; height: 100px; margin: 0 auto 22px; border-radius: 50%; background: linear-gradient(150deg, var(--color-navy-800), var(--color-navy-950)); display: flex; align-items: center; justify-content: center; color: var(--color-accent-400); position: relative; }
.cert-badge::before { content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 1.5px dashed var(--color-steel-300); opacity: 0.5; }
.cert-badge svg { width: 42px; height: 42px; }
.cert-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.cert-card p { font-size: 0.88rem; }

/* ---------- Referanslar / Logo Slider ---------- */
.logo-marquee { overflow: hidden; position: relative; -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent); }
.logo-track { display: flex; gap: 64px; width: max-content; animation: marquee 32s linear infinite; }
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.logo-item { height: 56px; display: flex; align-items: center; opacity: 0.55; filter: grayscale(1); transition: opacity 0.35s ease, filter 0.35s ease; }
.logo-item:hover { opacity: 1; filter: grayscale(0); }
.logo-item svg { height: 100%; width: auto; }

/* ---------- Projeler ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 48px; }
.filter-btn { padding: 11px 22px; border-radius: 999px; border: 1.5px solid var(--color-border); font-family: var(--font-heading); font-weight: 600; font-size: 0.88rem; color: var(--color-text-muted); transition: all 0.3s ease; }
.filter-btn:hover { border-color: var(--color-navy-900); color: var(--color-navy-900); }
.filter-btn.active { background: var(--color-navy-900); border-color: var(--color-navy-900); color: var(--color-white); }

.project-card { display: block; position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; }
.project-media { position: absolute; inset: 0; background: linear-gradient(150deg, var(--color-navy-800), var(--color-navy-950)); }
.project-media svg { width: 100%; height: 100%; transition: transform 0.7s var(--ease-out); }
.project-card:hover .project-media svg { transform: scale(1.08); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(6,14,28,0.92) 0%, rgba(6,14,28,0.35) 55%, rgba(6,14,28,0.05) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 30px; }
.project-cat { display: inline-block; align-self: flex-start; background: var(--color-accent-500); color: var(--color-white); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; margin-bottom: 14px; }
.project-overlay h3 { color: var(--color-white); font-size: 1.2rem; margin-bottom: 8px; }
.project-overlay p { color: var(--color-steel-200); font-size: 0.88rem; margin-bottom: 14px; opacity: 0; transform: translateY(8px); transition: opacity 0.4s ease, transform 0.4s ease; }
.project-card:hover .project-overlay p { opacity: 1; transform: translateY(0); }
.project-more { color: var(--color-accent-400); font-weight: 700; font-size: 0.85rem; display: inline-flex; align-items: center; gap: 6px; }
.project-more svg { width: 15px; height: 15px; transition: transform 0.3s ease; }
.project-card:hover .project-more svg { transform: translateX(4px); }
.project-item { transition: opacity 0.4s ease, transform 0.4s ease; }
.project-item.is-hidden { display: none; }

/* ---------- Blog ---------- */
.blog-card { background: var(--color-white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--color-border); transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out); display: flex; flex-direction: column; height: 100%; }
.blog-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.blog-media { display: block; aspect-ratio: 16/10; position: relative; overflow: hidden; background: linear-gradient(150deg, var(--color-navy-800), var(--color-navy-950)); }
.blog-media svg { width: 100%; height: 100%; transition: transform 0.6s var(--ease-out); }
.blog-card:hover .blog-media svg { transform: scale(1.08); }
.blog-cat { position: absolute; top: 16px; left: 16px; background: rgba(255,255,255,0.92); color: var(--color-navy-900); font-size: 0.7rem; font-weight: 700; padding: 6px 14px; border-radius: 999px; z-index: 2; }
.blog-body { padding: 26px 26px 30px; display: flex; flex-direction: column; flex: 1; }
.blog-meta { display: flex; gap: 16px; font-size: 0.78rem; color: var(--color-text-soft); margin-bottom: 12px; }
.blog-meta span { display: inline-flex; align-items: center; gap: 6px; }
.blog-meta svg { width: 14px; height: 14px; }
.blog-body h3 { font-size: 1.12rem; margin-bottom: 12px; flex: 0; }
.blog-body h3 a:hover { color: var(--color-accent-600); }
.blog-body p { font-size: 0.92rem; margin-bottom: 18px; }
.blog-readmore { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-weight: 700; font-size: 0.86rem; color: var(--color-navy-900); }
.blog-readmore svg { width: 15px; height: 15px; transition: transform 0.3s ease; }
.blog-card:hover .blog-readmore svg { transform: translateX(4px); }

/* ---------- SSS / Accordion ---------- */
.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-item:first-child { border-top: 1px solid var(--color-border); }
.accordion-trigger { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 26px 4px; text-align: left; font-family: var(--font-heading); font-weight: 700; font-size: 1.02rem; color: var(--color-navy-900); }
.accordion-icon { width: 32px; height: 32px; border-radius: 50%; background: var(--color-bg-alt-2); display: flex; align-items: center; justify-content: center; flex-shrink: 0; position: relative; transition: background-color 0.3s ease, transform 0.4s var(--ease-out); }
.accordion-icon::before, .accordion-icon::after { content: ''; position: absolute; background: var(--color-navy-900); border-radius: 2px; transition: transform 0.35s ease, opacity 0.35s ease; }
.accordion-icon::before { width: 12px; height: 2px; }
.accordion-icon::after { width: 2px; height: 12px; }
.accordion-item.is-open .accordion-icon { background: var(--color-accent-500); transform: rotate(180deg); }
.accordion-item.is-open .accordion-icon::before, .accordion-item.is-open .accordion-icon::after { background: var(--color-white); }
.accordion-item.is-open .accordion-icon::after { opacity: 0; }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height 0.45s var(--ease-in-out); }
.accordion-panel-inner { padding: 0 4px 26px; max-width: 90%; }
.accordion-panel-inner p { font-size: 0.96rem; }

/* ---------- CTA Banner ---------- */
.cta-banner { position: relative; overflow: hidden; border-radius: var(--radius-xl); background: linear-gradient(135deg, var(--color-navy-900), var(--color-navy-950)); padding: 90px 60px; text-align: center; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent 90%); }
.cta-banner::after { content: ''; position: absolute; width: 500px; height: 500px; background: radial-gradient(circle, rgba(242,118,15,0.25), transparent 70%); border-radius: 50%; bottom: -220px; right: -120px; }
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--color-white); max-width: 700px; margin: 0 auto 20px; }
.cta-banner p { color: var(--color-steel-200); max-width: 560px; margin: 0 auto 40px; font-size: 1.06rem; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-navy-950); color: var(--color-steel-300); padding-top: 100px; }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 70px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .brand-name, .footer-brand .brand-sub { color: var(--color-white); }
.footer-brand p { color: var(--color-steel-300); margin: 22px 0 26px; font-size: 0.92rem; max-width: 340px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; transition: background-color 0.3s ease, transform 0.3s ease; }
.footer-social a:hover { background: var(--color-accent-500); transform: translateY(-3px); }
.footer-social svg { width: 17px; height: 17px; color: var(--color-white); }
.footer-col h4 { color: var(--color-white); font-size: 0.92rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 24px; }
.footer-col ul li { margin-bottom: 13px; }
.footer-col a { font-size: 0.92rem; color: var(--color-steel-300); transition: color 0.25s ease, padding-left 0.25s ease; }
.footer-col a:hover { color: var(--color-accent-400); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9rem; margin-bottom: 18px; }
.footer-contact svg { width: 17px; height: 17px; color: var(--color-accent-400); flex-shrink: 0; margin-top: 2px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 26px 0; font-size: 0.82rem; flex-wrap: wrap; gap: 12px; }
.footer-legal { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-legal a:hover { color: var(--color-accent-400); }

/* ---------- Form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 9px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-family: var(--font-heading); font-weight: 600; font-size: 0.86rem; color: var(--color-navy-900); }
.form-field input, .form-field select, .form-field textarea {
  padding: 15px 18px; border: 1.5px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg-alt); color: var(--color-text); transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--color-accent-500); background: var(--color-white); box-shadow: 0 0 0 4px rgba(242,118,15,0.12); }
.form-field textarea { resize: vertical; min-height: 140px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--color-text-muted); }
.form-check input { margin-top: 3px; }
.form-note { font-size: 0.82rem; color: var(--color-text-soft); margin-top: 14px; }
.form-success { display: none; align-items: center; gap: 14px; background: rgba(31,138,95,0.1); border: 1px solid rgba(31,138,95,0.3); color: var(--color-success); padding: 20px 22px; border-radius: var(--radius-md); font-weight: 600; margin-top: 20px; }
.form-success.show { display: flex; }
.form-success svg { width: 22px; height: 22px; flex-shrink: 0; }

/* ---------- Sticky Yardımcılar ---------- */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: var(--color-accent-500); width: 0%; z-index: 999; transition: width 0.1s linear; }
.sticky-actions { position: fixed; right: 26px; bottom: 26px; z-index: 480; display: flex; flex-direction: column; gap: 14px; align-items: flex-end; }
.sticky-btn { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-lg); transition: transform 0.3s var(--ease-out); }
.sticky-btn:hover { transform: translateY(-4px) scale(1.05); }
.whatsapp-btn { background: #25d366; color: var(--color-white); }
.whatsapp-btn svg { width: 28px; height: 28px; }
.totop-btn { background: var(--color-navy-900); color: var(--color-white); opacity: 0; pointer-events: none; transform: translateY(10px); transition: opacity 0.3s ease, transform 0.3s ease; }
.totop-btn.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.totop-btn svg { width: 20px; height: 20px; }

.cursor-glow { position: fixed; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(242,118,15,0.10), transparent 70%); pointer-events: none; z-index: 1; transform: translate(-50%, -50%); opacity: 0; transition: opacity 0.4s ease; }
.cursor-glow.active { opacity: 1; }

.preloader { position: fixed; inset: 0; z-index: 3000; background: var(--color-navy-950); display: flex; align-items: center; justify-content: center; transition: opacity 0.6s var(--ease-out), visibility 0.6s; }
.preloader.is-hidden { opacity: 0; visibility: hidden; }
.preloader-mark { width: 64px; height: 64px; animation: preloaderPulse 1.3s ease-in-out infinite; }
@keyframes preloaderPulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(0.85); opacity: 0.6; } }

/* ---------- Scroll Reveal ---------- */
[data-reveal] { opacity: 0; transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out); }
[data-reveal="fade-up"] { transform: translateY(36px); }
[data-reveal="fade"] { transform: none; }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="slide-right"] { transform: translateX(-44px); }
[data-reveal="slide-left"] { transform: translateX(44px); }
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- Teknik Çizim / Medya Yer Tutucular ---------- */
.media-blueprint {
  position: absolute; inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.055) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.055) 0 1px, transparent 1px 34px);
}
.media-glow { position: absolute; width: 60%; height: 60%; border-radius: 50%; filter: blur(30px); opacity: 0.55; }
.media-variant-1 .media-glow { background: radial-gradient(circle, rgba(242,118,15,0.4), transparent 70%); top: -10%; right: -10%; }
.media-variant-2 .media-glow { background: radial-gradient(circle, rgba(92,107,122,0.5), transparent 70%); bottom: -14%; left: -10%; }
.media-variant-3 .media-glow { background: radial-gradient(circle, rgba(28,65,115,0.6), transparent 70%); top: -12%; left: 10%; }
.media-variant-4 .media-glow { background: radial-gradient(circle, rgba(242,118,15,0.3), transparent 70%); bottom: -12%; right: 6%; }
.media-corner { position: absolute; width: 20px; height: 20px; border-color: rgba(255,255,255,0.4); z-index: 2; }
.media-corner.tl { top: 16px; left: 16px; border-top: 2px solid; border-left: 2px solid; }
.media-corner.tr { top: 16px; right: 16px; border-top: 2px solid; border-right: 2px solid; }
.media-corner.bl { bottom: 16px; left: 16px; border-bottom: 2px solid; border-left: 2px solid; }
.media-corner.br { bottom: 16px; right: 16px; border-bottom: 2px solid; border-right: 2px solid; }
.media-icon-wrap { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1; }
.media-icon-wrap svg { width: 30%; height: 30%; color: rgba(255,255,255,0.92); filter: drop-shadow(0 10px 24px rgba(0,0,0,0.4)); transition: transform 0.6s var(--ease-out); }
.media-spec-tag { position: absolute; bottom: 16px; left: 16px; font-family: var(--font-heading); font-size: 0.68rem; letter-spacing: 0.05em; color: rgba(255,255,255,0.6); z-index: 2; text-transform: uppercase; }

/* ---------- Diğer Bileşenler ---------- */
.value-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 34px 30px; transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out); }
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.value-num { font-family: var(--font-heading); font-weight: 800; color: var(--color-bg-alt-2); font-size: 2.4rem; margin-bottom: 8px; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.service-detail-block:not(:last-child) { margin-bottom: 110px; }
.service-detail-num { font-family: var(--font-heading); font-weight: 800; font-size: 1rem; color: var(--color-accent-600); letter-spacing: 0.08em; margin-bottom: 14px; display: block; }
.split-media { position: relative; }
.media-frame { position: relative; border-radius: var(--radius-xl); overflow: hidden; aspect-ratio: 6/7; background: linear-gradient(150deg, var(--color-navy-800), var(--color-navy-950)); box-shadow: var(--shadow-lg); }
.media-frame svg { width: 100%; height: 100%; }
.media-badge { position: absolute; z-index: 5; bottom: -28px; left: -28px; background: var(--color-white); border-radius: var(--radius-lg); padding: 22px 26px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 16px; }
.media-badge-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--color-accent-500); color: var(--color-white); display: flex; align-items: center; justify-content: center; }
.media-badge-icon svg { width: 24px; height: 24px; }
.media-badge strong { display: block; font-family: var(--font-heading); font-size: 1.3rem; color: var(--color-navy-900); }
.media-badge span { font-size: 0.8rem; color: var(--color-text-soft); }

.check-list li { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; font-size: 0.96rem; color: var(--color-text); }
.check-list svg { width: 20px; height: 20px; color: var(--color-accent-500); flex-shrink: 0; margin-top: 1px; }

.tag-pill { display: inline-block; background: var(--color-bg-alt-2); color: var(--color-navy-800); font-size: 0.78rem; font-weight: 600; padding: 6px 16px; border-radius: 999px; margin: 0 8px 8px 0; }

/* Timeline (vertical - kariyer/blog detay vb.) */
.v-timeline { position: relative; padding-left: 34px; }
.v-timeline::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--color-border); }
.v-timeline-item { position: relative; padding-bottom: 40px; }
.v-timeline-item:last-child { padding-bottom: 0; }
.v-timeline-item::before { content: ''; position: absolute; left: -34px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: var(--color-accent-500); box-shadow: 0 0 0 4px rgba(242,118,15,0.18); }

/* ---------- Ekip Kartları ---------- */
.team-card { text-align: center; }
.team-avatar { width: 140px; height: 140px; border-radius: 50%; margin: 0 auto 22px; background: linear-gradient(150deg, var(--color-navy-800), var(--color-navy-950)); display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-weight: 800; font-size: 2.1rem; color: var(--color-white); position: relative; box-shadow: var(--shadow-md); transition: transform 0.4s var(--ease-out); }
.team-card:hover .team-avatar { transform: translateY(-6px) scale(1.03); }
.team-avatar::after { content: ''; position: absolute; inset: -6px; border-radius: 50%; border: 1.5px dashed var(--color-steel-200); opacity: 0.6; }
.team-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.team-role { color: var(--color-accent-600); font-weight: 600; font-size: 0.86rem; margin-bottom: 12px; }
.team-card p { font-size: 0.88rem; }

/* ---------- Milestone / Tarihçe ---------- */
.milestone-year { font-family: var(--font-heading); font-weight: 800; color: var(--color-accent-600); font-size: 1.3rem; margin-bottom: 6px; }

/* ---------- Facility / Tesis Kartları ---------- */
.facility-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 34px 30px; text-align: center; transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out); }
.facility-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.facility-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--color-bg-alt-2); color: var(--color-accent-600); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.facility-icon svg { width: 30px; height: 30px; }

/* ---------- 404 ---------- */
.error-page { min-height: 100svh; display: flex; align-items: center; justify-content: center; text-align: center; background: var(--color-navy-950); color: var(--color-white); position: relative; overflow: hidden; padding: 40px 24px; }
.error-code { font-family: var(--font-heading); font-weight: 800; font-size: clamp(6rem, 18vw, 12rem); line-height: 1; background: linear-gradient(135deg, var(--color-white), var(--color-steel-300)); -webkit-background-clip: text; background-clip: text; color: transparent; position: relative; z-index: 1; }
.error-page h1 { color: var(--color-white); position: relative; z-index: 1; margin: 12px 0 16px; font-size: clamp(1.9rem, 3vw, 2.75rem); }
.error-page p { color: var(--color-steel-200); max-width: 460px; margin: 0 auto 36px; position: relative; z-index: 1; }

/* ---------- Kariyer form / iş kartları ---------- */
.job-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 30px 32px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s var(--ease-out); flex-wrap: wrap; }
.job-card:hover { border-color: var(--color-accent-500); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.job-meta { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 10px; }
.job-meta span { display: inline-flex; align-items: center; gap: 6px; font-size: 0.84rem; color: var(--color-text-soft); }
.job-meta svg { width: 15px; height: 15px; color: var(--color-accent-500); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-item:nth-child(3) { border-right: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: repeat(3, 1fr); gap: 40px 20px; }
  .process-line { display: none; }
}
@media (max-width: 900px) {
  .topbar-left span:nth-child(3), .topbar-right .topbar-badge { display: none; }
  .main-nav { position: fixed; inset: 0; top: 0; background: var(--color-white); z-index: 600; flex-direction: column; padding: 110px 28px 40px; transform: translateX(100%); transition: transform 0.4s var(--ease-in-out); overflow-y: auto; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 4px; height: auto; width: 100%; }
  .main-nav > ul > li { height: auto; display: block; }
  .nav-link { padding: 16px 6px; font-size: 1.1rem; border-bottom: 1px solid var(--color-border); border-radius: 0; justify-content: space-between; }
  .mega-menu { position: static; transform: none; width: 100%; box-shadow: none; border: none; opacity: 1; visibility: visible; display: none; padding: 10px 0 10px 16px; grid-template-columns: 1fr; }
  li.has-mega.is-open .mega-menu { display: grid; }
  .mega-promo { display: none; }
  .menu-toggle { display: flex; }
  .header-cta { display: none; }
  .split, .grid-2 { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 44px; }
}
@media (max-width: 640px) {
  .topbar-left a:nth-child(2) { display: none; }
  .topbar .container { justify-content: space-between; }
  .topbar-right a { white-space: nowrap; }
  .section { padding: 80px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-right: 1px solid rgba(255,255,255,0.08); }
  .stat-item:nth-child(2n) { border-right: none; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 60px 26px; }
  .hero-illustration { display: none; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .job-card { flex-direction: column; align-items: flex-start; }
  .media-badge { position: static; margin-top: -40px; margin-left: 20px; margin-right: 20px; }
}