/* ==========================================================================
   1. KURUMSAL TASARIM DEĞİŞKENLERİ
   Marka: Derin Lacivert (güven/teknoloji) + ESSA Turuncusu (vurgu/aksiyon)
   ========================================================================== */
:root {
  --navy-950: #050E1C;
  --navy-900: #071426;
  --navy-800: #0B1F3A;
  --navy-700: #12305A;
  --navy-600: #1B4278;

  --accent: #FF5500;
  --accent-hover: #E64A00;
  --accent-soft: rgba(255, 85, 0, 0.10);
  --accent-glow: rgba(255, 85, 0, 0.35);

  --ink: #0F1B2D;
  --ink-soft: #4A5A72;
  --line: #E1E6EE;
  --bg-light: #F4F6FA;
  --white: #FFFFFF;

  --on-dark: #FFFFFF;
  --on-dark-soft: #A9B8CF;
  --line-dark: rgba(255, 255, 255, 0.12);

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 31, 58, 0.12);
  --shadow-lg: 0 24px 60px rgba(5, 14, 28, 0.35);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --header-h: 72px;
  --bottom-bar-h: 0px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4, .tech { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; letter-spacing: -0.01em; }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 clamp(18px, 4vw, 32px); }
section { scroll-margin-top: var(--header-h); }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 28px; border-radius: 12px;
  font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 0.95rem;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: transform .3s var(--ease), background .3s, border-color .3s, box-shadow .3s, color .3s;
  -webkit-tap-highlight-color: transparent;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 8px 22px var(--accent-glow); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-outline { background: #fff; color: var(--navy-800); border-color: var(--line); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn-sm { min-height: 42px; padding: 8px 20px; font-size: .88rem; }

/* ---------- Başlık Bileşenleri ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: 'Space Grotesk'; font-weight: 600; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--accent); }
.section-title { font-size: clamp(1.9rem, 4.5vw, 3rem); margin: 12px 0 16px; font-weight: 700; }
.section-lead { font-size: clamp(1rem, 1.6vw, 1.12rem); color: var(--ink-soft); max-width: 720px; }
.on-dark .section-lead { color: var(--on-dark-soft); }
.on-dark .section-title { color: #fff; }

.section { padding: clamp(64px, 9vw, 112px) 0; }
.section-light { background: var(--bg-light); }
.section-dark { background: var(--navy-800); color: var(--on-dark); position: relative; overflow: hidden; }

/* ==========================================================================
   2. HEADER & NAVİGASYON
   ========================================================================== */
.header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-h); z-index: 1000;
  background: rgba(7, 20, 38, 0.82); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-dark);
  transition: background .3s, box-shadow .3s;
}
.header.scrolled { background: rgba(7, 20, 38, 0.96); box-shadow: 0 6px 24px rgba(0,0,0,.25); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 10px; background: var(--accent);
  display: grid; place-items: center; font-family: 'Space Grotesk'; font-weight: 700; font-size: 1.3rem;
  box-shadow: 0 6px 18px var(--accent-glow);
}
.brand-icon { height: 44px; width: auto; display: block; border-radius: 10px; box-shadow: 0 0 0 1px rgba(255,255,255,.14); }
.brand-text { line-height: 1; }
.brand-text strong { display: block; font-family: 'Space Grotesk'; font-size: 1.15rem; letter-spacing: .12em; }
.brand-text span { display: block; margin-top: 4px; font-size: .62rem; letter-spacing: .22em; color: var(--on-dark-soft); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; }
.nav-links a {
  display: block; padding: 10px 14px; border-radius: 10px; text-decoration: none;
  font-size: .9rem; font-weight: 500; color: var(--on-dark-soft); transition: color .25s, background .25s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.06); }
.nav-links a.active { color: #fff; box-shadow: inset 0 -2px 0 var(--accent); border-radius: 10px 10px 0 0; }

.header-cta { display: flex; align-items: center; gap: 12px; }
.menu-toggle {
  display: none; width: 46px; height: 46px; border-radius: 12px; cursor: pointer;
  background: rgba(255,255,255,.06); border: 1px solid var(--line-dark); color: #fff; font-size: 1.15rem;
}

/* Mobil Menü Çekmecesi */
.drawer {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 999;
  background: var(--navy-900); padding: 24px clamp(18px, 4vw, 32px) 120px;
  transform: translateY(-12px); opacity: 0; visibility: hidden;
  transition: all .35s var(--ease); overflow-y: auto;
}
.drawer.open { transform: none; opacity: 1; visibility: visible; }
.drawer a.drawer-link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 4px; color: #fff; text-decoration: none; font-family: 'Space Grotesk';
  font-size: 1.25rem; font-weight: 600; border-bottom: 1px solid var(--line-dark);
}
.drawer a.drawer-link i { color: var(--accent); font-size: .9rem; }
.drawer-contact { margin-top: 28px; display: grid; gap: 12px; }

/* ==========================================================================
   3. HERO
   ========================================================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 48px) 0 72px;
  background:
    radial-gradient(900px 520px at 85% 15%, rgba(255,85,0,.22), transparent 60%),
    radial-gradient(800px 600px at 5% 95%, rgba(27,66,120,.55), transparent 65%),
    linear-gradient(160deg, var(--navy-900), var(--navy-800) 60%, var(--navy-700));
  color: #fff; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; opacity: .5;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero-pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 100px;
  background: var(--accent-soft); border: 1px solid rgba(255,85,0,.4);
  color: #FFB38F; font-size: .78rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 24px;
}
.hero-title { font-size: clamp(2.3rem, 6.2vw, 4.4rem); font-weight: 700; letter-spacing: -.025em; margin-bottom: 22px; }
.hero-title em { font-style: normal; color: var(--accent); }
.hero-desc { font-size: clamp(1rem, 1.7vw, 1.2rem); color: var(--on-dark-soft); max-width: 600px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-panel {
  background: linear-gradient(160deg, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid var(--line-dark); border-radius: var(--radius-lg); padding: 28px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.hero-panel h3 { font-size: 1rem; color: var(--on-dark-soft); font-weight: 500; margin-bottom: 18px; letter-spacing: .04em; }
.hero-checks { list-style: none; display: grid; gap: 14px; }
.hero-checks li { display: flex; gap: 14px; align-items: flex-start; font-size: .95rem; }
.hero-checks i {
  flex: 0 0 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); font-size: .9rem;
}
.hero-checks strong { display: block; font-family: 'Space Grotesk'; font-size: .98rem; }
.hero-checks span { color: var(--on-dark-soft); font-size: .82rem; }

/* ---------- Marquee ---------- */
.marquee { background: var(--navy-950); border-block: 1px solid var(--line-dark); overflow: hidden; white-space: nowrap; padding: 16px 0; }
.marquee-track { display: inline-flex; animation: marquee 40s linear infinite; }
.marquee-item { display: inline-flex; align-items: center; gap: 12px; margin-right: 48px; font-family: 'Space Grotesk'; font-weight: 600; font-size: .9rem; letter-spacing: .06em; color: var(--on-dark-soft); }
.marquee-item i { color: var(--accent); font-size: .7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- İstatistikler ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: -56px; position: relative; z-index: 3; }
.stat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 20px; text-align: center; box-shadow: var(--shadow-md);
}
.stat-num { font-family: 'Space Grotesk'; font-weight: 700; font-size: clamp(1.7rem, 3.4vw, 2.5rem); color: var(--navy-800); line-height: 1; }
.stat-num b { color: var(--accent); font-weight: 700; }
.stat-label { margin-top: 10px; color: var(--ink-soft); font-size: .85rem; }

/* ==========================================================================
   4. KURUMSAL
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: start; }
.about-copy p + p { margin-top: 16px; }
.pillars { display: grid; gap: 16px; }
.pillar {
  display: flex; gap: 18px; padding: 22px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.pillar:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: rgba(255,85,0,.4); }
.pillar-icon {
  flex: 0 0 52px; height: 52px; border-radius: 12px; display: grid; place-items: center;
  background: var(--navy-800); color: var(--accent); font-size: 1.25rem;
}
.pillar h3 { font-size: 1.15rem; margin-bottom: 6px; color: var(--navy-800); }
.pillar p { color: var(--ink-soft); font-size: .92rem; }

/* ==========================================================================
   5. ÜRÜNLER
   ========================================================================== */
.section-head { display: flex; flex-direction: column; align-items: center; text-align: center; margin-bottom: 36px; }
.filters { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; justify-content: center; }
.filter-btn {
  min-height: 44px; padding: 10px 22px; border-radius: 100px; background: #fff; border: 1px solid var(--line);
  color: var(--ink-soft); font-family: 'Inter'; font-weight: 600; font-size: .88rem; cursor: pointer; transition: all .25s;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active { background: var(--navy-800); border-color: var(--navy-800); color: #fff; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 290px), 1fr)); gap: 24px; }
.product-card {
  display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(255,85,0,.45); }
.product-img { position: relative; aspect-ratio: 4 / 3; background: linear-gradient(135deg, var(--navy-800), var(--navy-600)); overflow: hidden; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.product-card:hover .product-img img { transform: scale(1.07); }
.product-badge {
  position: absolute; top: 14px; left: 14px; padding: 5px 12px; border-radius: 100px;
  background: rgba(7,20,38,.85); color: #fff; font-size: .72rem; font-weight: 600; letter-spacing: .06em; backdrop-filter: blur(6px);
}
.product-body { flex: 1; display: flex; flex-direction: column; padding: 22px; }
.product-body h3 { font-size: 1.15rem; color: var(--navy-800); margin-bottom: 8px; }
.product-body p { color: var(--ink-soft); font-size: .9rem; margin-bottom: 16px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.tag { padding: 4px 10px; border-radius: 6px; background: var(--bg-light); border: 1px solid var(--line); font-size: .74rem; color: var(--ink-soft); font-weight: 500; }
.product-body .btn { margin-top: auto; }

/* ==========================================================================
   6. TEKNOLOJİ (KOYU BÖLÜM)
   ========================================================================== */
.section-dark::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 400px at 100% 0%, rgba(255,85,0,.14), transparent 60%);
}
.section-dark .container { position: relative; }
.tech-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); gap: 20px; margin: 44px 0 56px; }
.tech-card {
  padding: 28px; border-radius: var(--radius); background: rgba(255,255,255,.04);
  border: 1px solid var(--line-dark); transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.tech-card:hover { transform: translateY(-5px); border-color: rgba(255,85,0,.5); background: rgba(255,255,255,.07); }
.tech-card i { font-size: 1.8rem; color: var(--accent); margin-bottom: 16px; }
.tech-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.tech-card p { color: var(--on-dark-soft); font-size: .9rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(255,255,255,.03); -webkit-overflow-scrolling: touch; }
.tech-table { width: 100%; min-width: 620px; border-collapse: collapse; font-size: .9rem; }
.tech-table th, .tech-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line-dark); }
.tech-table th { background: rgba(255,255,255,.05); font-family: 'Space Grotesk'; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.tech-table td { color: var(--on-dark-soft); }
.tech-table td:first-child { color: #fff; font-weight: 600; }
.tech-table tr:last-child td { border-bottom: 0; }
.table-title { font-size: 1.35rem; margin-bottom: 16px; }
.scroll-hint { display: none; margin-top: 10px; font-size: .78rem; color: var(--on-dark-soft); }

/* ==========================================================================
   7. DOKÜMANLAR
   ========================================================================== */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 20px; margin-top: 40px; }
.doc-card {
  display: flex; align-items: center; gap: 18px; padding: 22px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.doc-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(255,85,0,.45); }
.doc-icon { flex: 0 0 56px; height: 56px; border-radius: 14px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 1.5rem; }
.doc-info { flex: 1; min-width: 0; }
.doc-info h3 { font-size: 1.02rem; color: var(--navy-800); margin-bottom: 4px; }
.doc-info p { font-size: .82rem; color: var(--ink-soft); }

/* ==========================================================================
   8. İLETİŞİM
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact-list { display: grid; gap: 18px; margin-top: 32px; }
.contact-item { display: flex; gap: 16px; align-items: center; }
.contact-item .ci-icon { flex: 0 0 50px; height: 50px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(255,85,0,.35); }
.contact-item small { display: block; color: var(--on-dark-soft); font-size: .78rem; }
.contact-item a, .contact-item span.v { font-weight: 600; text-decoration: none; word-break: break-word; }

.form-card { background: #fff; color: var(--ink); border-radius: var(--radius-lg); padding: clamp(22px, 4vw, 36px); box-shadow: var(--shadow-lg); }
.form-card h3 { font-size: 1.5rem; color: var(--navy-800); margin-bottom: 6px; }
.form-card .sub { color: var(--ink-soft); font-size: .9rem; margin-bottom: 22px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 7px; font-weight: 600; font-size: .85rem; color: var(--navy-800); }
.form-control {
  width: 100%; min-height: 50px; padding: 13px 16px; background: var(--bg-light); color: var(--ink);
  border: 1.5px solid var(--line); border-radius: 12px; font-family: 'Inter'; font-size: 1rem; transition: border-color .25s, box-shadow .25s, background .25s;
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-control:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px var(--accent-soft); }
.form-success { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: #E8F7EE; color: #11663A; font-weight: 600; font-size: .92rem; }
.form-success.show { display: flex; gap: 10px; align-items: center; }

/* ==========================================================================
   9. MODAL (Masaüstü: ortada / Mobil: alttan açılan sayfa)
   ========================================================================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 2000; background: rgba(5,14,28,.78); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-container {
  position: relative; background: #fff; border-radius: var(--radius-lg); width: 100%; max-width: 980px; max-height: 92vh; overflow-y: auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 32px; box-shadow: var(--shadow-lg);
  transform: translateY(20px) scale(.97); transition: transform .4s var(--ease);
}
.modal-overlay.active .modal-container { transform: none; }
.modal-close {
  position: absolute; top: 14px; right: 14px; width: 44px; height: 44px; border-radius: 50%; z-index: 5;
  background: var(--bg-light); border: 1px solid var(--line); color: var(--navy-800); cursor: pointer; font-size: 1rem; transition: all .25s;
}
.modal-close:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.gallery-main { aspect-ratio: 4 / 3; border-radius: 14px; overflow: hidden; background: var(--navy-800); margin-bottom: 12px; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.thumb-img { width: 64px; height: 64px; flex-shrink: 0; border-radius: 10px; object-fit: cover; cursor: pointer; opacity: .55; border: 2px solid transparent; transition: all .25s; }
.thumb-img:hover, .thumb-img.active { opacity: 1; border-color: var(--accent); }
.modal-info { display: flex; flex-direction: column; justify-content: space-between; gap: 24px; }
#modal-cat { color: var(--accent); font-family: 'Space Grotesk'; font-weight: 600; font-size: .78rem; letter-spacing: .12em; }
#modal-title { font-size: clamp(1.4rem, 3vw, 1.9rem); color: var(--navy-800); margin: 8px 0 12px; padding-right: 40px; }
#modal-desc { color: var(--ink-soft); font-size: .95rem; margin-bottom: 22px; }
.modal-info h4 { font-size: .95rem; color: var(--navy-800); margin-bottom: 12px; }
.spec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.spec-item { padding: 12px; border-radius: 10px; background: var(--bg-light); border: 1px solid var(--line); }
.spec-item small { display: block; font-size: .72rem; color: var(--ink-soft); }
.spec-item b { font-size: .88rem; color: var(--navy-800); }
.modal-actions { display: flex; gap: 12px; }
.modal-actions .btn-primary { flex: 1; }

/* ==========================================================================
   10. FOOTER & MOBİL ALT ÇUBUK
   ========================================================================== */
.footer { background: var(--navy-950); color: var(--on-dark-soft); padding: 56px 0 32px; font-size: .88rem; }
.footer-top { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding-bottom: 32px; border-bottom: 1px solid var(--line-dark); }
.footer-top p { max-width: 420px; margin-top: 16px; }
.footer-links { display: flex; gap: 12px; }
.footer-links a { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--line-dark); color: #fff; text-decoration: none; transition: all .25s; }
.footer-links a:hover { background: var(--accent); border-color: var(--accent); }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

.bottom-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 900;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); gap: 10px;
  background: rgba(7,20,38,.96); backdrop-filter: blur(14px); border-top: 1px solid var(--line-dark);
}
.bottom-bar .btn { flex: 1; min-height: 48px; padding: 10px 14px; font-size: .9rem; }

/* ---------- Fare Işık Halesi (yalnızca fare olan cihazlarda) ---------- */
.cursor-aura {
  position: fixed; top: 0; left: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px;
  border-radius: 50%; pointer-events: none; z-index: 1500; opacity: 0;
  background: radial-gradient(circle, rgba(255,85,0,.20) 0%, rgba(255,85,0,.08) 35%, transparent 70%);
  transition: opacity .35s; will-change: transform;
}
.cursor-aura.on { opacity: 1; }
.cursor-dot {
  position: fixed; top: 0; left: 0; width: 10px; height: 10px; margin: -5px 0 0 -5px;
  border-radius: 50%; background: var(--accent); pointer-events: none; z-index: 3000; opacity: 0;
  box-shadow: 0 0 14px var(--accent-glow); transition: opacity .3s, width .25s, height .25s, margin .25s; will-change: transform;
}
.cursor-dot.on { opacity: 1; }
.cursor-dot.hover { width: 36px; height: 36px; margin: -18px 0 0 -18px; background: rgba(255,85,0,.18); border: 1.5px solid var(--accent); box-shadow: none; }
@media (hover: none), (pointer: coarse) { .cursor-aura, .cursor-dot { display: none; } }

/* ---------- Scroll Reveal ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: .08s; } .d2 { transition-delay: .16s; } .d3 { transition-delay: .24s; } .d4 { transition-delay: .32s; }

/* ==========================================================================
   11. RESPONSIVE
   ========================================================================== */
@media (max-width: 1080px) {
  .nav-links, .header-cta .btn { display: none; }
  .menu-toggle { display: grid; place-items: center; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-panel { max-width: 560px; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  :root { --header-h: 64px; --bottom-bar-h: 72px; }
  body { padding-bottom: var(--bottom-bar-h); }
  .bottom-bar { display: flex; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 36px); padding-bottom: 80px; }
  .hero-actions .btn { width: 100%; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: -44px; }
  .stat { padding: 20px 12px; }
  .scroll-hint { display: block; }
  .tech-table th, .tech-table td { padding: 13px 14px; }
  .doc-card { flex-wrap: wrap; }
  .doc-card .btn { width: 100%; }
  .footer { padding-bottom: calc(32px + var(--bottom-bar-h)); }
  .footer-bottom { flex-direction: column; }

  /* Modal -> alttan açılan sayfa (bottom sheet) */
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal-container {
    grid-template-columns: 1fr; gap: 20px; padding: 56px 18px calc(24px + env(safe-area-inset-bottom));
    max-height: 92vh; border-radius: 22px 22px 0 0; transform: translateY(100%);
  }
  .modal-overlay.active .modal-container { transform: none; }
  .spec-grid { grid-template-columns: 1fr 1fr; }
  .modal-actions { flex-direction: column; }
  .modal-actions .btn { width: 100%; }
}

@media (max-width: 380px) {
  .brand-text span { display: none; }
  .spec-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Form: KVKK onayı, hata mesajı, bot tuzağı ---------- */
.form-check { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 18px; font-size: .85rem; color: var(--ink-soft); }
.form-check input { margin-top: 4px; width: 18px; height: 18px; accent-color: var(--accent); flex: 0 0 auto; }
.form-check a { color: var(--accent); font-weight: 600; }
.form-error { display: none; margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: #FDECEC; color: #9B1C1C; font-weight: 600; font-size: .92rem; }
.form-error.show { display: block; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.load-note { grid-column: 1 / -1; text-align: center; color: var(--ink-soft); padding: 32px 0; }


/* ---------- Ek dosya alanı ---------- */
.optional { font-weight: 400; color: var(--ink-soft); }
.field-help { display: block; margin-top: 6px; font-size: .78rem; color: var(--ink-soft); }
input[type="file"].form-control { padding: 10px 12px; cursor: pointer; }
.file-list { list-style: none; margin-top: 10px; display: grid; gap: 8px; }
.file-list li { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 10px; background: var(--bg-light); border: 1px solid var(--line); font-size: .85rem; }
.file-list .fname { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; color: var(--navy-800); }
.file-list .fsize { color: var(--ink-soft); font-size: .78rem; }
.file-list button { width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--line); background: #fff; cursor: pointer; color: var(--ink-soft); }
.file-list button:hover { border-color: var(--accent); color: var(--accent); }
.form-control[aria-invalid="true"] { border-color: #C62828; }
.field-error { display: block; margin-top: 6px; font-size: .8rem; color: #B3261E; font-weight: 600; }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }
.btn.is-unavailable { opacity: .55; cursor: not-allowed; pointer-events: none; }

/* Klavye kullanıcıları için "İçeriğe atla" bağlantısı: yalnızca odaklanınca görünür */
.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 3000; padding: 10px 16px; border-radius: 8px;
  background: var(--accent); color: #fff; font-weight: 600; text-decoration: none;
  transform: translateY(-150%); transition: transform .2s;
}
.skip-link:focus { transform: none; }
main:focus { outline: none; }

/* hidden özniteliği .btn/.product-card gibi display kurallarını ezebilmeli */
[hidden] { display: none !important; }