/* ============================================================
   EAGLE EYE ARM — Shared Styles
   Design: Dark Sci-Fi · Gold Accents · Glassmorphism
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
  --bg-deep: #060b14;
  --bg: #0a0f1e;
  --bg-card: rgba(15, 23, 42, 0.7);
  --bg-card-hover: rgba(20, 30, 55, 0.85);
  --gold: #f0c040;
  --gold-light: #f8d868;
  --gold-dark: #b8901e;
  --blue: #3b82f6;
  --cyan: #22d3ee;
  --red: #ef4444;
  --green: #10b981;
  --text: #e8ecf2;
  --text2: #8899aa;
  --text3: #556677;
  --border: rgba(255,255,255,0.06);
  --border-gold: rgba(240,192,64,0.2);
  --glass: rgba(255,255,255,0.03);
  --glass-hover: rgba(255,255,255,0.06);
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-gold: 0 0 40px rgba(240,192,64,0.12);
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scrollbar-width: thin; scrollbar-color: #1e293b #060b14; }
body {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== CANVAS BACKGROUND ===== */
#particles {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; opacity: 0.6;
}

/* ===== SCROLL PROGRESS ===== */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--cyan));
  z-index: 9999; transition: width 0.1s linear;
}

/* ===== NAV ===== */
#nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  z-index: 1000; width: calc(100% - 48px); max-width: 1100px;
  padding: 0 4px;
}
.nav-inner {
  background: rgba(10,15,30,0.75); backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.08); border-radius: 20px;
  padding: 12px 24px; display: flex; align-items: center;
  justify-content: space-between;
  transition: all 0.3s var(--transition);
  box-shadow: 0 4px 30px rgba(0,0,0,0.4);
}
.nav-inner.scrolled {
  background: rgba(10,15,30,0.92);
  border-color: rgba(240,192,64,0.15);
  box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(240,192,64,0.05);
}
.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; font-size: 20px; font-weight: 800;
  color: #fff; letter-spacing: -0.3px;
}
.logo-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; box-shadow: 0 4px 15px rgba(240,192,64,0.25);
}
.logo-icon i { color: #000; font-size: 16px; }
.logo-tag {
  font-size: 9px; font-weight: 500; color: var(--text3);
  letter-spacing: 2px; text-transform: uppercase;
  display: block; line-height: 1;
}
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--text2); text-decoration: none; font-size: 13px;
  font-weight: 500; padding: 8px 16px; border-radius: 10px;
  transition: all 0.25s var(--transition); position: relative;
}
.nav-links a:hover { color: #fff; background: var(--glass-hover); }
.nav-links a.active { color: var(--gold); }
.nav-cta {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #000 !important; font-weight: 700 !important;
  padding: 8px 20px !important; border-radius: 10px !important;
  box-shadow: 0 4px 15px rgba(240,192,64,0.2);
  margin-left: 6px;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 25px rgba(240,192,64,0.35) !important;
}
.mobile-toggle {
  display: none; background: none; border: none;
  color: #fff; font-size: 22px; cursor: pointer;
  padding: 8px; border-radius: 8px; transition: background 0.2s;
}
.mobile-toggle:hover { background: var(--glass-hover); }

/* ===== SECTIONS ===== */
.section {
  position: relative; z-index: 1;
  padding: 100px 24px; max-width: 1100px; margin: 0 auto;
}
.section-alt {
  max-width: none; padding: 100px calc((100vw - 1100px)/2 + 24px);
  background: rgba(255,255,255,0.01);
}
.section-header {
  text-align: center; margin-bottom: 64px;
}
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; color: var(--gold);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.section-tag::before, .section-tag::after {
  content: ''; width: 20px; height: 1px; background: var(--border-gold);
}
.section h2 {
  font-size: clamp(28px, 4vw, 40px); font-weight: 900;
  margin-bottom: 12px; color: #fff; letter-spacing: -0.5px;
}
.section h2 em { color: var(--gold); font-style: normal; }
.section-header > p { color: var(--text2); font-size: 16px; max-width: 560px; margin: 0 auto; }

/* ===== REVEAL ===== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== BUTTONS ===== */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 32px; border-radius: 14px; font-size: 15px;
  font-weight: 700; text-decoration: none; transition: all 0.3s var(--transition);
  font-family: inherit; cursor: pointer; border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #000; box-shadow: 0 8px 30px rgba(240,192,64,0.2);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(240,192,64,0.35); }
.btn-ghost {
  background: transparent; border: 1.5px solid rgba(255,255,255,0.12);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); background: rgba(240,192,64,0.05); }

/* ===== HERO (homepage only) ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  justify-content: center; position: relative;
  padding: 140px 24px 80px; z-index: 1;
}
.hero-inner {
  max-width: 1100px; width: 100%; display: grid;
  grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(240,192,64,0.08); border: 1px solid var(--border-gold);
  color: var(--gold); padding: 6px 16px; border-radius: 100px;
  font-size: 12px; font-weight: 600; margin-bottom: 28px; letter-spacing: 0.5px;
}
.hero-badge::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(240,192,64,0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 8px rgba(240,192,64,0); }
}
.hero h1 {
  font-size: clamp(36px, 5vw, 56px); font-weight: 900;
  line-height: 1.15; margin-bottom: 20px; color: #fff;
  letter-spacing: -1px;
}
.hero h1 .gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 16px; color: var(--text2); margin-bottom: 36px;
  line-height: 1.8; max-width: 460px;
}
.hero-desc strong { color: var(--gold); font-weight: 600; }
.hero-cta { display: flex; gap: 14px; margin-bottom: 52px; }
.hero-stats { display: flex; gap: 36px; }
.hero-stat { display: flex; flex-direction: column; }
.stat-num { font-size: 32px; font-weight: 900; color: var(--gold); font-family: 'Inter', sans-serif; letter-spacing: -1px; }
.stat-label { font-size: 12px; color: var(--text3); margin-top: 2px; font-weight: 500; }

/* Hero Visual */
.hero-visual {
  position: relative; height: 420px;
  display: flex; align-items: center; justify-content: center;
}
.hv-building {
  width: 140px; height: 360px; background: linear-gradient(180deg, #1a2540, #0f1a30);
  border-radius: 12px 12px 0 0; position: relative;
  box-shadow: 0 0 60px rgba(59,130,246,0.08);
  overflow: hidden;
}
.hv-building::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 8px, rgba(255,255,255,0.02) 8px, rgba(255,255,255,0.02) 9px
  );
}
.hv-fire {
  position: absolute; left: -20px; right: -20px; top: 35%;
  height: 70px; background: radial-gradient(ellipse at center, rgba(239,68,68,0.5), rgba(239,68,68,0.1) 50%, transparent 70%);
  animation: fireGlow 3s ease-in-out infinite;
}
@keyframes fireGlow {
  0%, 100% { opacity: 0.5; transform: scaleY(1); }
  50% { opacity: 0.9; transform: scaleY(1.15); }
}
.hv-arm {
  position: absolute; top: -100px; left: 50%; transform: translateX(-50%);
  width: 7px; height: 130px; background: linear-gradient(180deg, var(--gold), var(--gold-dark));
  transform-origin: bottom center; animation: armSwing 4s ease-in-out infinite;
  border-radius: 4px;
}
@keyframes armSwing {
  0%, 100% { transform: translateX(-50%) rotate(-5deg); }
  50% { transform: translateX(-50%) rotate(5deg); }
}
.hv-arm::after {
  content: ''; position: absolute; top: -12px; left: -8px;
  width: 22px; height: 22px; background: var(--gold);
  border-radius: 50%; box-shadow: 0 0 20px rgba(240,192,64,0.5);
}
.hv-water {
  position: absolute; top: 30%; left: -60px;
  width: 55px; height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan));
  border-radius: 2px; animation: waterFlow 2s ease-in-out infinite;
}
@keyframes waterFlow {
  0%, 100% { opacity: 0; transform: scaleX(0.3); }
  50% { opacity: 1; transform: scaleX(1); }
}
.hv-glow {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(240,192,64,0.12), transparent 70%);
  filter: blur(40px);
}

/* ===== PAGE HERO (inner pages) ===== */
.page-hero {
  padding: 160px 24px 80px; position: relative; z-index: 1;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(32px, 5vw, 48px); font-weight: 900;
  margin-bottom: 16px; color: #fff; letter-spacing: -1px;
}
.page-hero h1 em { color: var(--gold); font-style: normal; }
.page-hero p { color: var(--text2); font-size: 17px; max-width: 600px; margin: 0 auto; }

/* ===== PROBLEM ===== */
.problem-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.problem-card {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 24px; transition: all 0.4s var(--transition);
  position: relative; overflow: hidden; cursor: default;
}
.problem-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(239,68,68,0.06), transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}
.problem-card:hover { transform: translateY(-6px); border-color: rgba(239,68,68,0.2); }
.problem-card:hover::before { opacity: 1; }
.p-icon { font-size: 32px; margin-bottom: 16px; color: var(--red); }
.problem-card h3 { font-size: 17px; margin-bottom: 8px; color: #fff; font-weight: 700; }
.problem-card p { font-size: 13px; color: var(--text2); line-height: 1.7; }
.p-stat { margin-top: 16px; padding: 8px 14px; background: rgba(239,68,68,0.08);
  border-radius: 8px; font-size: 12px; color: var(--red); text-align: center;
  border: 1px solid rgba(239,68,68,0.1); }
.p-stat strong { font-size: 20px; display: block; font-family: 'Inter', sans-serif; font-weight: 800; }
.solution-line {
  text-align: center; margin-top: 56px; padding: 28px;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.solution-line i { font-size: 28px; display: block; margin-bottom: 8px; color: var(--gold); }
.solution-line p { font-size: 17px; font-weight: 500; }
.solution-line strong { color: var(--gold); }

/* ===== PRODUCT CARDS ===== */
.product-card {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 20px;
  margin-bottom: 24px; overflow: hidden;
  transition: all 0.4s var(--transition);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.tier-header {
  padding: 32px 36px; display: flex; align-items: center; gap: 20px;
  flex-wrap: wrap; position: relative;
}
.tier-header::after {
  content: ''; position: absolute; bottom: 0; left: 36px; right: 36px;
  height: 1px; background: var(--border);
}
.tier-bronze { border-left: 5px solid #cd7f32; }
.tier-silver { border-left: 5px solid #a0a0a0; }
.tier-gold { border-left: 5px solid var(--gold); }
.tier-badge {
  padding: 6px 16px; border-radius: 100px;
  font-size: 11px; font-weight: 800; letter-spacing: 0.5px;
}
.tier-bronze .tier-badge { background: linear-gradient(135deg, #cd7f32, #a0652a); color: #fff; }
.tier-silver .tier-badge { background: linear-gradient(135deg, #a0a0a0, #707070); color: #fff; }
.tier-gold .tier-badge { background: linear-gradient(135deg, var(--gold-light), var(--gold-dark)); color: #000; }
.tier-header h3 { font-size: 22px; color: #fff; font-weight: 800; }
.tier-header h3 span { font-size: 13px; color: var(--text3); font-weight: 400; margin-left: 8px; }
.tier-pos { font-size: 13px; color: var(--text2); }
.tier-body { padding: 28px 36px; }
.tier-models { display: flex; gap: 12px; margin-bottom: 24px; flex-wrap: wrap; }
.tier-model {
  flex: 1; min-width: 100px; background: rgba(0,0,0,0.25);
  border: 1px solid var(--border); border-radius: 14px;
  padding: 18px 14px; text-align: center;
  transition: all 0.3s var(--transition);
}
.tier-model:hover {
  border-color: var(--gold); background: rgba(240,192,64,0.05);
  transform: translateY(-2px);
}
.tier-model strong { display: block; font-size: 15px; margin-bottom: 6px; color: #fff; }
.tier-model span { font-size: 20px; font-weight: 900; color: var(--gold); font-family: 'Inter', sans-serif; }
.tier-features { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.tier-features span {
  font-size: 13px; color: var(--text2);
  display: flex; align-items: center; gap: 6px;
}
.tier-features span i { color: var(--green); font-size: 11px; }

/* ===== MODULE GRID ===== */
.module-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.module-group {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; transition: all 0.3s var(--transition);
}
.module-group:hover { border-color: rgba(255,255,255,0.1); }
.module-group h4 { font-size: 14px; margin-bottom: 16px; color: var(--gold); font-weight: 700; display: flex; align-items: center; gap: 8px; }
.module-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 14px; border-radius: 10px; margin-bottom: 6px;
  background: rgba(0,0,0,0.15); font-size: 13px;
  transition: all 0.25s var(--transition); cursor: default;
}
.module-item:hover { background: rgba(255,255,255,0.04); }
.module-item strong { color: #fff; font-weight: 600; }
.module-item em { color: var(--gold); font-style: normal; font-weight: 600; font-size: 11px; }
.module-item.premium { border: 1px solid var(--border-gold); background: rgba(240,192,64,0.04); }

/* ===== TECH ===== */
.tech-flow {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-bottom: 56px; flex-wrap: wrap;
}
.tech-step {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px 20px; text-align: center; min-width: 110px;
  transition: all 0.3s var(--transition);
}
.tech-step:hover { border-color: var(--gold); transform: translateY(-4px); }
.tech-step .step-icon { font-size: 28px; margin-bottom: 8px; display: block; color: var(--gold); }
.tech-step .step-text { font-size: 12px; color: var(--text2); font-weight: 500; }
.tech-arrow { color: var(--gold); font-size: 24px; }
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-feature {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all 0.3s var(--transition);
}
.tech-feature:hover { border-color: rgba(240,192,64,0.15); }
.tech-feature h4 { font-size: 16px; margin-bottom: 8px; color: var(--gold); font-weight: 700; display: flex; align-items: center; gap: 8px; }
.tech-feature h4 i { font-size: 20px; }
.tech-feature p { font-size: 14px; color: var(--text2); line-height: 1.7; }

/* ===== CONFIGURATOR ===== */
.configurator {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 36px; max-width: 600px; margin: 0 auto;
}
.config-title { font-size: 18px; font-weight: 700; margin-bottom: 24px; color: #fff; text-align: center; }
.config-group { margin-bottom: 20px; }
.config-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text2); margin-bottom: 8px; }
.config-options { display: flex; gap: 8px; flex-wrap: wrap; }
.config-opt {
  padding: 8px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: rgba(0,0,0,0.2); font-size: 13px; cursor: pointer;
  color: var(--text2); transition: all 0.25s var(--transition);
  font-family: inherit; white-space: nowrap;
}
.config-opt:hover { border-color: var(--text3); color: #fff; }
.config-opt.selected {
  border-color: var(--gold); background: rgba(240,192,64,0.1);
  color: var(--gold); font-weight: 600;
}
.config-result {
  margin-top: 28px; padding: 20px 24px;
  background: rgba(240,192,64,0.06); border: 1px solid var(--border-gold);
  border-radius: 14px; text-align: center;
}
.config-result .total { font-size: 14px; color: var(--text2); }
.config-result .price {
  font-size: 36px; font-weight: 900; color: var(--gold);
  font-family: 'Inter', sans-serif; margin: 4px 0;
}

/* ===== COMPARE TABLE ===== */
.compare-wrap {
  overflow-x: auto; border-radius: 20px;
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border);
}
.compare-table { width: 100%; border-collapse: collapse; min-width: 700px; }
.compare-table th {
  padding: 18px 20px; text-align: left;
  font-size: 14px; font-weight: 700; color: #fff;
  background: rgba(0,0,0,0.2);
}
.compare-table th.hl { color: var(--gold); background: rgba(240,192,64,0.08); }
.compare-table td {
  padding: 16px 20px; font-size: 14px; color: var(--text2);
  border-top: 1px solid var(--border);
}
.compare-table tr:hover td { background: rgba(255,255,255,0.02); }
.compare-table td.hl { color: var(--gold); font-weight: 700; background: rgba(240,192,64,0.03); }

/* ===== ABOUT ===== */
.about-grid {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: start;
}
.about-text p { color: var(--text2); font-size: 15px; margin-bottom: 16px; line-height: 1.8; }
.about-text strong { color: #fff; }
.about-values { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.about-val {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); padding: 14px 20px;
  border-radius: 12px; font-size: 13px; transition: all 0.3s var(--transition);
}
.about-val:hover { border-color: var(--gold); }
.about-val strong { display: block; font-size: 16px; color: var(--gold); margin-bottom: 4px; }
.about-credentials { display: flex; flex-direction: column; gap: 12px; }
.cred {
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); padding: 18px 22px;
  border-radius: 14px; font-size: 14px; transition: all 0.3s var(--transition);
  display: flex; align-items: center; gap: 10px;
}
.cred i { color: var(--gold); font-size: 18px; }
.cred:hover { border-color: var(--gold); transform: translateX(4px); }

/* ===== CONTACT ===== */
.contact-form {
  max-width: 520px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 14px;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 15px 18px; border-radius: 12px;
  background: rgba(0,0,0,0.2); border: 1px solid var(--border);
  color: #fff; font-size: 15px; font-family: inherit;
  outline: none; transition: all 0.25s var(--transition);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  border-color: var(--gold); box-shadow: 0 0 0 3px rgba(240,192,64,0.08);
}
.contact-form textarea { height: 100px; resize: vertical; }
.contact-form .btn-primary { width: 100%; justify-content: center; }

/* ===== CTA BANNER ===== */
.cta-banner {
  text-align: center; padding: 60px 24px;
  background: linear-gradient(180deg, transparent, rgba(240,192,64,0.03), transparent);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  position: relative; z-index: 1;
}
.cta-banner h3 { font-size: 28px; font-weight: 900; color: #fff; margin-bottom: 12px; }
.cta-banner p { color: var(--text2); margin-bottom: 24px; font-size: 16px; }

/* ===== FOOTER ===== */
footer {
  position: relative; z-index: 1;
  background: rgba(255,255,255,0.01); border-top: 1px solid var(--border);
  padding: 64px 24px 32px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 2fr; gap: 48px;
}
.footer-brand h3 { font-size: 22px; color: #fff; margin-bottom: 8px; }
.footer-brand p { color: var(--text2); font-size: 14px; }
.footer-slogan { color: var(--gold) !important; margin-top: 12px; font-style: italic; font-weight: 500; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h4 { color: #fff; font-size: 13px; margin-bottom: 14px; font-weight: 700; }
.footer-links a, .footer-links p { display: block; color: var(--text3); font-size: 13px;
  text-decoration: none; margin-bottom: 8px; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom {
  max-width: 1100px; margin: 40px auto 0; padding-top: 24px;
  border-top: 1px solid var(--border); text-align: center;
}
.footer-bottom p { color: var(--text3); font-size: 12px; }

/* ===== BACK TO TOP ===== */
#back-top {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-card); backdrop-filter: blur(10px);
  border: 1px solid var(--border); color: var(--text);
  font-size: 20px; cursor: pointer; display: flex; align-items: center;
  justify-content: center; opacity: 0; visibility: hidden;
  transition: all 0.3s var(--transition);
}
#back-top.show { opacity: 1; visibility: visible; }
#back-top:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { max-width: none; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .module-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .section-alt { padding: 80px 24px; }
}
@media (max-width: 768px) {
  #nav { top: 8px; width: calc(100% - 16px); }
  .nav-inner { padding: 10px 16px; border-radius: 16px; }
  .nav-links {
    display: none; position: absolute; top: calc(100% + 8px);
    left: 0; right: 0; background: rgba(10,15,30,0.95);
    backdrop-filter: blur(24px); border-radius: 16px;
    flex-direction: column; padding: 16px; gap: 4px;
    border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: block; }
  .hero { padding: 120px 16px 60px; }
  .hero h1 { font-size: 30px; }
  .page-hero { padding: 130px 16px 50px; }
  .page-hero h1 { font-size: 28px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .hero-cta { flex-direction: column; }
  .problem-grid { grid-template-columns: 1fr; }
  .module-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .tech-flow { gap: 4px; }
  .tech-step { padding: 16px 12px; min-width: 70px; font-size: 11px; }
  .tech-arrow { font-size: 20px; }
  .section { padding: 64px 16px; }
  .section h2 { font-size: 26px; }
  .tier-header { padding: 24px; }
  .tier-body { padding: 20px 24px; }
  .tier-models { flex-direction: column; }
  .configurator { padding: 24px; }
}