@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Share+Tech+Mono&family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   KUMAŞ KOMPANSATÖR — DESIGN SYSTEM
   SEO Satellite for bundletec.com
   ============================================================ */

:root {
  --primary: #0a1628;
  --primary-mid: #132444;
  --secondary: #0077ff;
  --accent: #ff5722;
  --accent-warm: #ff8a50;
  --gold: #f5a623;

  --text-main: #e8edf5;
  --text-muted: #8b99b5;
  --text-dark: #0f172a;

  --bg-body: #060d1b;
  --bg-section: #0a1628;
  --bg-card: rgba(15, 30, 60, 0.6);
  --bg-card-hover: rgba(20, 40, 80, 0.8);

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 119, 255, 0.3);

  --glass-bg: rgba(10, 22, 40, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(0, 119, 255, 0.15);

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

  --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── RESET ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  letter-spacing: -0.03em;
}
h1 { font-size: clamp(2.8rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); letter-spacing: -0.02em; }
h4 { font-size: 1.2rem; }
p { color: var(--text-muted); font-size: 1.1rem; line-height: 1.8; margin-bottom: 1.25rem; }

.tech-font {
  font-family: 'Share Tech Mono', monospace;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, var(--secondary) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent-text { color: var(--accent); }
.blue-text { color: var(--secondary); }

/* ── LAYOUT ── */
.container { width: 100%; max-width: 1300px; margin: 0 auto; padding: 0 2rem; }
section { padding: 7rem 0; position: relative; }
.text-center { text-align: center; }

/* ── HEADER ── */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 10000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.site-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.site-header.hide { transform: translateY(-100%); }
.header-inner {
  display: flex; justify-content: space-between; align-items: center; height: 75px;
}
.logo-link {
  display: flex; align-items: center; gap: 0.5rem;
  text-decoration: none; color: white; font-weight: 800; font-size: 1.3rem;
  font-family: 'Outfit', sans-serif; letter-spacing: -0.02em;
}
.logo-link .logo-icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1rem; color: white;
  box-shadow: 0 4px 15px rgba(0, 119, 255, 0.3);
}
.logo-link .logo-sub {
  font-size: 0.65rem; color: var(--text-muted); font-weight: 400;
  display: block; margin-top: -2px; letter-spacing: 0.05em;
}

nav { display: flex; align-items: center; gap: 2rem; }
nav a {
  color: var(--text-muted); text-decoration: none; font-weight: 500;
  font-size: 0.95rem; transition: var(--transition-fast); position: relative;
}
nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--secondary); transition: width 0.3s ease;
}
nav a:hover { color: #ffffff; }
nav a:hover::after { width: 100%; }

.header-cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 1.5rem; border-radius: 50px;
  background: var(--secondary); color: white !important;
  font-weight: 600; font-size: 0.9rem; text-decoration: none;
  box-shadow: 0 4px 15px rgba(0, 119, 255, 0.3);
  transition: var(--transition-fast);
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 119, 255, 0.4);
}
.header-cta::after { display: none !important; }

/* Mobile Toggle */
.mobile-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: transparent; border: none; cursor: pointer; z-index: 10001;
}
.mobile-toggle span {
  width: 26px; height: 2.5px; background: white;
  border-radius: 3px; transition: all 0.3s ease;
}

/* ── HERO ── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding: 8rem 0 6rem;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, #030712 0%, #0a1628 50%, #0d1f3c 100%);
}
.hero-bg::before {
  content: ''; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 60px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,0.015) 0px, rgba(255,255,255,0.015) 1px, transparent 1px, transparent 60px);
  animation: gridShift 30s linear infinite;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 80%, rgba(0, 119, 255, 0.12) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 20%, rgba(255, 87, 34, 0.08) 0%, transparent 50%);
}
@keyframes gridShift {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1.2rem; border-radius: 50px;
  background: rgba(0, 119, 255, 0.1); border: 1px solid rgba(0, 119, 255, 0.2);
  color: var(--secondary); font-size: 0.85rem; font-weight: 600;
  margin-bottom: 2rem; letter-spacing: 0.05em;
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 { margin-bottom: 1.5rem; }
.hero h1 span { color: var(--accent); }
.hero p.hero-desc {
  font-size: 1.25rem; color: rgba(255,255,255,0.7);
  max-width: 650px; margin-bottom: 2.5rem; line-height: 1.8;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* Floating Stats in Hero */
.hero-stats {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 1.5rem; z-index: 2;
}
.hero-stat {
  background: var(--bg-card); backdrop-filter: blur(20px);
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.5rem 2rem; min-width: 200px;
  transition: var(--transition-fast);
}
.hero-stat:hover {
  border-color: var(--border-hover);
  transform: translateX(-5px);
  box-shadow: var(--shadow-glow);
}
.hero-stat .stat-value {
  font-family: 'Outfit', sans-serif; font-size: 2.2rem;
  font-weight: 800; color: white; line-height: 1;
}
.hero-stat .stat-value .unit {
  font-size: 1rem; color: var(--accent); font-weight: 600;
}
.hero-stat .stat-label {
  font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem;
  font-weight: 500; letter-spacing: 0.05em;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.6rem; padding: 0.9rem 2rem; border-radius: 50px;
  font-weight: 600; font-size: 1rem; text-decoration: none;
  cursor: pointer; border: none; transition: var(--transition);
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%); transition: 0.6s;
}
.btn:hover::before { transform: translateX(100%); }

.btn-primary {
  background: var(--secondary); color: white;
  box-shadow: 0 8px 25px rgba(0, 119, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 119, 255, 0.4);
}
.btn-outline {
  background: transparent; color: white;
  border: 1px solid rgba(255,255,255,0.25);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}
.btn-accent {
  background: var(--accent); color: white;
  box-shadow: 0 8px 25px rgba(255, 87, 34, 0.3);
}
.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(255, 87, 34, 0.4);
}

/* ── SECTION TITLES ── */
.section-label {
  display: inline-flex; align-items: center; gap: 0.75rem;
  color: var(--secondary); font-size: 0.85rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem;
  font-family: 'Share Tech Mono', monospace;
}
.section-label .line { width: 40px; height: 2px; background: var(--secondary); }
.section-subtitle {
  color: var(--text-muted); font-size: 1.15rem; max-width: 700px;
  margin: 0 auto 4rem; line-height: 1.8;
}
.accent-bar {
  width: 60px; height: 4px; border-radius: 2px; margin: 1.5rem 0;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
}
.accent-bar.center { margin: 1.5rem auto; }

/* ── CARDS ── */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.5rem;
  transition: var(--transition); position: relative; overflow: hidden;
}
.card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.card:hover::before { transform: scaleX(1); }

.card-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 119, 255, 0.15), rgba(0, 119, 255, 0.05));
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem; color: var(--secondary);
  border: 1px solid rgba(0, 119, 255, 0.15);
}
.card h3 { margin-bottom: 1rem; font-size: 1.3rem; }
.card p { font-size: 1rem; color: var(--text-muted); margin-bottom: 0; }

/* ── PRODUCT SERIES: GRID & CTA Cards ── */
.products-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.product-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); position: relative;
}
.product-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.product-card .product-img {
  height: 200px; overflow: hidden; position: relative;
}
.product-card .product-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-img img { transform: scale(1.08); }
.product-card .product-img .product-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,13,27,0.8) 0%, transparent 60%);
}
.product-body { padding: 1.5rem 2rem 2rem; }
.product-body h3 { font-size: 1.5rem; margin-bottom: 0.5rem; }
.product-body .product-tag {
  display: inline-block; padding: 0.25rem 0.75rem; border-radius: 50px;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em;
  font-family: 'Share Tech Mono', monospace;
  margin-bottom: 1rem;
}
.product-body p { font-size: 0.95rem; line-height: 1.7; }
.product-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--secondary); text-decoration: none; font-weight: 600;
  font-size: 0.9rem; margin-top: 1rem; transition: var(--transition-fast);
}
.product-link:hover { gap: 0.8rem; color: var(--accent); }
.product-link svg { transition: transform 0.3s; }
.product-link:hover svg { transform: translateX(4px); }

/* ── LAYER ANATOMY ── */
.anatomy-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.anatomy-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.5rem 2rem;
  display: flex; align-items: flex-start; gap: 1.25rem;
  transition: var(--transition);
}
.anatomy-item:hover {
  border-color: var(--border-hover); transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.anatomy-num {
  width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--secondary), rgba(0, 119, 255, 0.6));
  display: flex; align-items: center; justify-content: center;
  font-family: 'Share Tech Mono', monospace;
  font-weight: 700; font-size: 1.1rem; color: white; flex-shrink: 0;
}
.anatomy-content h4 { margin-bottom: 0.4rem; color: white; font-size: 1rem; }
.anatomy-content p { font-size: 0.9rem; margin-bottom: 0; line-height: 1.6; }

/* ── FAQ ── */
.faq-grid { max-width: 850px; margin: 0 auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: var(--transition-fast);
}
.faq-item:hover { border-color: var(--border-hover); }
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  padding: 1.5rem 2rem; font-size: 1.1rem; font-weight: 700;
  color: white; cursor: pointer; display: flex;
  justify-content: space-between; align-items: center;
  font-family: 'Inter', sans-serif; transition: var(--transition-fast);
}
.faq-question:hover { color: var(--secondary); }
.faq-icon {
  width: 24px; height: 24px; position: relative; flex-shrink: 0; margin-left: 1rem;
}
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: var(--secondary);
  transition: transform 0.3s ease, opacity 0.3s ease; border-radius: 2px;
}
.faq-icon::before { top: 11px; left: 4px; width: 16px; height: 2px; }
.faq-icon::after { top: 4px; left: 11px; width: 2px; height: 16px; }
.faq-item.active .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-item.active .faq-question { color: var(--secondary); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.175, 0.885, 0.32, 1); }
.faq-answer-inner {
  padding: 0 2rem 1.5rem; color: var(--text-muted);
  font-size: 1rem; line-height: 1.7;
}

/* ── APPLICATION AREAS ── */
.app-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.app-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2rem; text-align: center;
  transition: var(--transition); position: relative; overflow: hidden;
}
.app-card:hover {
  border-color: var(--border-hover); transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}
.app-card .app-icon {
  font-size: 3rem; margin-bottom: 1rem; display: block;
}
.app-card h4 { color: white; margin-bottom: 0.5rem; font-size: 1.15rem; }
.app-card p { font-size: 0.9rem; margin-bottom: 0; }

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(135deg, var(--secondary) 0%, #0055cc 100%);
  border-radius: var(--radius-xl); padding: 5rem 3rem; text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08), transparent 60%);
}
.cta-banner h2 { color: white; position: relative; z-index: 2; }
.cta-banner p { color: rgba(255,255,255,0.8); position: relative; z-index: 2; max-width: 600px; margin: 0 auto 2rem; }
.cta-banner .btn { position: relative; z-index: 2; }

/* ── BUNDLETEC REFERENCE SECTION ── */
.ref-section {
  background: linear-gradient(180deg, rgba(0, 119, 255, 0.03) 0%, var(--bg-body) 100%);
  border-top: 1px solid var(--border);
}
.ref-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 3rem;
  display: flex; align-items: center; gap: 3rem;
  transition: var(--transition);
}
.ref-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}
.ref-card-content { flex: 1; }
.ref-card-visual {
  flex-shrink: 0; width: 380px; height: 260px;
  border-radius: var(--radius-lg); overflow: hidden;
  background: linear-gradient(135deg, #041f42, #0a2f5e);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(0, 119, 255, 0.1);
  position: relative;
}
.ref-card-visual .ref-logo-text {
  font-family: 'Outfit', sans-serif; font-size: 2.5rem; font-weight: 800;
  color: white; letter-spacing: -0.03em; position: relative; z-index: 2;
}
.ref-card-visual .ref-logo-text span { color: var(--secondary); font-weight: 300; }
.ref-card-visual::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 119, 255, 0.15) 0%, transparent 70%);
}
.ref-stats {
  display: flex; gap: 2rem; margin-top: 2rem;
}
.ref-stat {
  text-align: center; padding: 1rem 1.5rem;
  background: rgba(0, 119, 255, 0.05); border-radius: var(--radius-md);
  border: 1px solid rgba(0, 119, 255, 0.1);
}
.ref-stat .val {
  display: block; font-family: 'Outfit', sans-serif;
  font-size: 1.8rem; font-weight: 800; color: white;
}
.ref-stat .lbl {
  font-size: 0.75rem; color: var(--text-muted); margin-top: 0.2rem;
  font-weight: 500; letter-spacing: 0.05em;
}

/* ── CONTACT FORM ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-info { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-block {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 1.5rem 2rem;
}
.contact-block h4 {
  color: var(--secondary); font-size: 0.85rem; text-transform: uppercase;
  letter-spacing: 0.1em; margin-bottom: 0.5rem;
}
.contact-block a {
  color: white; text-decoration: none; font-size: 1.1rem; font-weight: 600;
  transition: color 0.3s; display: block;
}
.contact-block a:hover { color: var(--secondary); }
.contact-block p { margin-bottom: 0; font-size: 0.95rem; }

.contact-form-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 2.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-input {
  width: 100%; padding: 0.9rem 1.25rem; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: rgba(255,255,255,0.03);
  color: white; font-size: 1rem; font-family: 'Inter', sans-serif;
  transition: border-color 0.3s; outline: none;
}
.form-input:focus { border-color: var(--secondary); }
.form-input::placeholder { color: var(--text-muted); }
textarea.form-input { resize: vertical; min-height: 120px; margin-bottom: 1rem; }
.form-submit {
  width: 100%; padding: 1rem; border-radius: var(--radius-sm);
  background: var(--secondary); color: white; font-weight: 700;
  font-size: 1.05rem; border: none; cursor: pointer;
  transition: var(--transition-fast); font-family: 'Inter', sans-serif;
}
.form-submit:hover {
  background: #0066dd;
  box-shadow: 0 8px 25px rgba(0, 119, 255, 0.3);
}

/* ── FOOTER ── */
.site-footer {
  background: #030a15; border-top: 1px solid var(--border);
  padding: 5rem 0 2rem; margin-top: 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem;
  margin-bottom: 3rem;
}
.footer-brand p { font-size: 0.95rem; margin-top: 1rem; max-width: 300px; }
.footer-col h4 {
  color: white; font-size: 0.95rem; font-weight: 700;
  margin-bottom: 1.25rem; text-transform: uppercase; letter-spacing: 0.08em;
}
.footer-col a {
  display: block; color: var(--text-muted); text-decoration: none;
  font-size: 0.9rem; padding: 0.3rem 0; transition: var(--transition-fast);
}
.footer-col a:hover { color: white; transform: translateX(4px); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 2rem;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text-muted); font-size: 0.85rem;
}
.footer-bottom a { color: var(--secondary); text-decoration: none; font-weight: 600; }
.footer-bottom a:hover { text-decoration: underline; }

/* ── SCROLLBAR – CUSTOM ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--primary-mid); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--secondary); }

/* ── ANIMATIONS ── */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* Floating particles animation */
@keyframes float-particle {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100vh) translateX(30px); opacity: 0; }
}
.particle {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: var(--secondary); pointer-events: none;
}

/* ── COMPARISON TABLE ── */
.comparison-wrap {
  overflow-x: auto; border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.comparison-table {
  width: 100%; border-collapse: collapse; text-align: left;
}
.comparison-table thead th {
  padding: 1.25rem 1.5rem; background: rgba(0, 119, 255, 0.08);
  color: white; font-weight: 700; font-size: 0.95rem;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.comparison-table tbody td {
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--border);
  font-size: 0.95rem; color: var(--text-muted);
}
.comparison-table tbody tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:hover td { background: rgba(0, 119, 255, 0.03); color: white; }
.comparison-table .check { color: #22c55e; font-weight: 700; }
.comparison-table .cross { color: #ef4444; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-stats { display: none; }
  .ref-card { flex-direction: column; }
  .ref-card-visual { width: 100%; height: 200px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  html { font-size: 15px; }
  section, .section { padding: 4.5rem 0; }
  .container { padding: 0 1.25rem; }

  .mobile-toggle { display: flex; }
  nav {
    position: fixed; top: 0; right: -100%; width: 100%; height: 100vh;
    background: rgba(6, 13, 27, 0.98); backdrop-filter: blur(20px);
    flex-direction: column; justify-content: center; align-items: center;
    gap: 2rem; transition: right 0.4s ease; z-index: 10000;
  }
  nav.active { right: 0; display: flex !important; }
  nav a { font-size: 1.4rem !important; color: white; }
  .header-cta { margin-top: 1rem; padding: 0.8rem 2rem; font-size: 1rem; }
  .mobile-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
  .mobile-toggle.active span:nth-child(2) { opacity: 0; }
  .mobile-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

  .hero { min-height: auto; padding: 7rem 0 4rem; }
  .hero h1 { font-size: 2.2rem !important; }
  .hero-actions { flex-direction: column; }

  .products-grid, .anatomy-grid, .app-grid { grid-template-columns: 1fr !important; }

  .contact-grid, .footer-grid { grid-template-columns: 1fr !important; }
  .form-row { grid-template-columns: 1fr; }

  .ref-stats { flex-direction: column; gap: 1rem; }

  .footer-brand p { margin: 1rem auto 0; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}

@media (max-width: 480px) {
  .hero { padding: 6rem 0 3rem; }
  .hero h1 { font-size: 1.9rem !important; }
  .btn { width: 100%; justify-content: center; border-radius: 12px !important; }
}

/* ── ADDITIONAL PREMIUM TOUCHES ── */
.overflow-hidden { overflow: hidden !important; }

/* Scroll Animation Controls */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Effects */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }

/* ── SCROLL SPY & DYNAMIC CLASSES ── */
nav a.active-nav { color: white !important; }
nav a.active-nav::after { width: 100% !important; }

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── UTILITY ── */
img, video, iframe, svg { max-width: 100%; height: auto; }
body, html { overflow-x: hidden; max-width: 100vw; }

/* Section Spacing */
.section { padding: 10rem 0; }