/* TETRAVIBE — SOVEREIGN DESIGN SYSTEM
   Dark · Gold · Medical-Luxury · Futuristic
   Solomon / The Gold Vault */

:root {
  --gold: #C9A84C;
  --gold-light: #E8C97A;
  --gold-dark: #9A7A2E;
  --black: #050507;
  --dark: #0A0A0F;
  --dark2: #0F0F17;
  --dark3: #151520;
  --dark4: #1C1C2A;
  --border: rgba(201, 168, 76, 0.2);
  --border-dim: rgba(255,255,255,0.06);
  --text: #E8E8F0;
  --text-dim: #8888A0;
  --text-muted: #555568;
  --green: #00C87A;
  --red: #FF4060;
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-gold: 0 0 30px rgba(201, 168, 76, 0.15);
  --shadow-card: 0 4px 40px rgba(0,0,0,0.5);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── TYPOGRAPHY ─────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; }
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.4rem; }
.gold { color: var(--gold); }
a { color: inherit; text-decoration: none; }

/* ── LAYOUT ──────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; }
.dark-section { background: var(--dark2); }

.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  display: block;
  margin-bottom: 1rem;
}
.section-header p { color: var(--text-dim); max-width: 500px; margin: 1rem auto 0; }

/* ── NAVIGATION ──────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(5, 5, 7, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dim);
  transition: var(--transition);
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 2rem;
  height: 70px; display: flex; align-items: center; justify-content: space-between;
}
.logo { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; letter-spacing: 0.1em; }
.logo-main { color: var(--text); }
.logo-accent { color: var(--gold); }
.nav-links { display: flex; list-style: none; gap: 2.5rem; align-items: center; }
.nav-links a { font-size: 0.85rem; letter-spacing: 0.05em; color: var(--text-dim); transition: var(--transition); }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: var(--gold); color: var(--black) !important;
  padding: 0.5rem 1.25rem; border-radius: 2px;
  font-weight: 600; font-family: var(--font-display);
  letter-spacing: 0.05em; transition: var(--transition);
}
.nav-cta:hover { background: var(--gold-light) !important; }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

/* ── HERO ────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; overflow: hidden; padding-top: 70px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(201,168,76,0.08) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 80% 60%, rgba(201,168,76,0.04) 0%, transparent 60%);
}
.hero-grid {
  position: absolute; inset: 0; opacity: 0.04;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-content { position: relative; z-index: 2; max-width: 700px; padding: 0 2rem; margin: 0 auto; text-align: center; }
.hero-badge {
  display: inline-block; font-family: var(--font-display);
  font-size: 0.7rem; letter-spacing: 0.4em; color: var(--gold);
  border: 1px solid var(--border); padding: 0.4rem 1.2rem;
  margin-bottom: 2rem; border-radius: 2px;
}
.hero-title { margin-bottom: 1.5rem; }
.hero-sub { color: var(--text-dim); font-size: 1.1rem; max-width: 500px; margin: 0 auto 2.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 4rem; }

.btn-primary {
  background: var(--gold); color: var(--black);
  padding: 0.85rem 2rem; border-radius: 2px;
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.9rem; letter-spacing: 0.1em;
  transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: var(--shadow-gold); }

.btn-ghost {
  background: transparent; color: var(--text);
  padding: 0.85rem 2rem; border-radius: 2px;
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.9rem; letter-spacing: 0.1em;
  border: 1px solid var(--border); transition: var(--transition); cursor: pointer;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

.hero-stats { display: flex; align-items: center; justify-content: center; gap: 2rem; }
.stat { text-align: center; }
.stat-num { display: block; font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--gold); }
.stat-label { font-size: 0.65rem; letter-spacing: 0.2em; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); text-align: center; }
.hero-scroll span { font-size: 0.6rem; letter-spacing: 0.4em; color: var(--text-muted); display: block; margin-bottom: 0.5rem; }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--gold), transparent); margin: 0 auto; animation: scrollPulse 2s infinite; }
@keyframes scrollPulse { 0%,100%{opacity:0.3} 50%{opacity:1} }

/* ── TICKER ──────────────────────────────────────────────── */
.ticker-wrap {
  background: var(--dark3); border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim); overflow: hidden; padding: 0.75rem 0;
}
.ticker {
  display: flex; gap: 4rem; animation: tickerScroll 30s linear infinite;
  white-space: nowrap; width: max-content;
}
.ticker span { font-family: var(--font-display); font-size: 0.8rem; letter-spacing: 0.1em; color: var(--text-dim); }
.ticker span b { color: var(--gold); margin-left: 0.4rem; }
@keyframes tickerScroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* ── PRODUCT CARDS ───────────────────────────────────────── */
.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.product-card {
  background: var(--dark3); border: 1px solid var(--border-dim);
  padding: 2.5rem; border-radius: 4px; position: relative;
  transition: var(--transition); overflow: hidden;
}
.product-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
  opacity: 0; transition: var(--transition);
}
.product-card:hover { transform: translateY(-6px); border-color: var(--border); box-shadow: var(--shadow-card); }
.product-card:hover::before { opacity: 1; }
.product-card.featured { border-color: var(--border); background: var(--dark4); }
.product-tag {
  display: inline-block; font-size: 0.65rem; letter-spacing: 0.25em;
  padding: 0.25rem 0.75rem; border-radius: 2px; margin-bottom: 1.5rem;
  background: rgba(255,255,255,0.05); color: var(--text-dim);
}
.gold-tag { background: rgba(201,168,76,0.15) !important; color: var(--gold) !important; }
.cosmetic-tag { background: rgba(180,120,200,0.15) !important; color: #C890E0 !important; }
.product-icon { font-size: 2.5rem; margin-bottom: 1.25rem; }
.product-card h3 { margin-bottom: 1rem; }
.product-card p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1.5rem; }
.product-features { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.product-features span {
  font-size: 0.7rem; letter-spacing: 0.1em; padding: 0.3rem 0.75rem;
  border: 1px solid var(--border-dim); border-radius: 2px; color: var(--text-dim);
}
.btn-card {
  font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.1em;
  color: var(--text-dim); transition: var(--transition);
}
.btn-card:hover, .btn-card.gold { color: var(--gold); }

/* ── ABOUT ───────────────────────────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.about-text p { color: var(--text-dim); margin-bottom: 1rem; }
.about-stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; }
.about-stat { text-align: center; }
.big-num { font-size: 2.5rem; font-family: var(--font-display); font-weight: 700; display: block; }
.about-stat span:last-child { font-size: 0.75rem; letter-spacing: 0.1em; color: var(--text-muted); }
.about-box {
  background: var(--dark3); border: 1px solid var(--border);
  padding: 2px; border-radius: 4px; box-shadow: var(--shadow-gold);
}
.about-box-inner { padding: 2.5rem; }
.ab-line { font-family: var(--font-display); font-size: 1rem; letter-spacing: 0.15em; margin-bottom: 1.25rem; }
.ab-item { font-size: 0.9rem; color: var(--text-dim); padding: 0.4rem 0; }
.ab-divider { height: 1px; background: var(--border-dim); margin: 1.5rem 0; }

/* ── INTEL CARDS ─────────────────────────────────────────── */
.intel-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.intel-card {
  background: var(--dark3); border: 1px solid var(--border-dim);
  padding: 2rem; border-radius: 4px; text-align: center; transition: var(--transition);
}
.intel-card:hover { border-color: var(--border); transform: translateY(-4px); }
.intel-label { font-size: 0.7rem; letter-spacing: 0.25em; color: var(--text-muted); margin-bottom: 0.75rem; }
.intel-value { font-family: var(--font-display); font-size: 1.75rem; font-weight: 600; color: var(--gold); margin-bottom: 0.5rem; }
.intel-change { font-size: 0.85rem; }
.intel-change.up { color: var(--green); }
.intel-change.down { color: var(--red); }

/* ── CHAT ────────────────────────────────────────────────── */
.chat-launcher {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 200;
  background: var(--gold); color: var(--black);
  padding: 0.85rem 1.5rem; border-radius: 50px;
  display: flex; align-items: center; gap: 0.5rem;
  cursor: pointer; font-family: var(--font-display);
  font-weight: 700; font-size: 0.9rem;
  box-shadow: 0 4px 20px rgba(201,168,76,0.4);
  transition: var(--transition);
}
.chat-launcher:hover { background: var(--gold-light); transform: translateY(-3px); }
.chat-window {
  position: fixed; bottom: 6rem; right: 2rem; z-index: 200;
  width: 380px; height: 520px;
  background: var(--dark3); border: 1px solid var(--border);
  border-radius: 8px; display: none; flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.7);
  overflow: hidden;
}
.chat-window.open { display: flex; }
.chat-header {
  background: var(--dark4); border-bottom: 1px solid var(--border-dim);
  padding: 1rem 1.25rem; display: flex; align-items: center; justify-content: space-between;
}
.chat-header-info { display: flex; align-items: center; gap: 0.75rem; }
.chat-avatar { font-size: 1.5rem; }
.chat-name { font-family: var(--font-display); font-weight: 600; font-size: 1rem; }
.chat-status { font-size: 0.7rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.4rem; }
.status-dot { width: 6px; height: 6px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }
.chat-close { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem; transition: var(--transition); }
.chat-close:hover { color: var(--text); }
.chat-messages { flex: 1; overflow-y: auto; padding: 1.25rem; display: flex; flex-direction: column; gap: 0.75rem; }
.chat-msg { max-width: 85%; }
.chat-msg span { display: block; padding: 0.75rem 1rem; border-radius: 4px; font-size: 0.875rem; line-height: 1.5; }
.chat-msg.bot span { background: var(--dark4); color: var(--text); border: 1px solid var(--border-dim); }
.chat-msg.user { align-self: flex-end; }
.chat-msg.user span { background: var(--gold); color: var(--black); font-weight: 500; }
.chat-input-row {
  padding: 1rem; border-top: 1px solid var(--border-dim);
  display: flex; gap: 0.5rem;
}
.chat-input-row input {
  flex: 1; background: var(--dark4); border: 1px solid var(--border-dim);
  color: var(--text); padding: 0.65rem 1rem; border-radius: 4px;
  font-size: 0.875rem; font-family: var(--font-body); outline: none;
  transition: var(--transition);
}
.chat-input-row input:focus { border-color: var(--border); }
.chat-send {
  background: var(--gold); color: var(--black); border: none;
  padding: 0.65rem 1rem; border-radius: 4px; cursor: pointer;
  font-size: 1rem; font-weight: 700; transition: var(--transition);
}
.chat-send:hover { background: var(--gold-light); }

/* ── FOOTER ──────────────────────────────────────────────── */
.footer { background: var(--dark2); border-top: 1px solid var(--border-dim); padding: 4rem 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; padding-bottom: 3rem; }
.footer-brand .logo { font-size: 1.25rem; margin-bottom: 1rem; }
.footer-brand p { color: var(--text-dim); font-size: 0.875rem; margin-bottom: 1.25rem; }
.footer-contact { display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.8rem; color: var(--text-muted); }
.footer-links h4 { font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.2em; color: var(--gold); margin-bottom: 1.25rem; }
.footer-links a { display: block; color: var(--text-dim); font-size: 0.875rem; padding: 0.3rem 0; transition: var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border-dim); padding: 1.5rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.75rem; color: var(--text-muted); max-width: 1200px; margin: 0 auto;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero-stats { gap: 1rem; }
  .intel-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .chat-window { width: calc(100vw - 2rem); right: 1rem; }
}
@media (max-width: 480px) {
  .intel-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1rem; }
  .stat-divider { display: none; }
}