/* ============================================
   3MPIRE.AI — Black + Empire Gold Design System
   Premium Edition
   ============================================ */

:root {
  --empire-gold: #D4AF37;
  --gold-bright: #F0D060;
  --gold-light: #E8C94A;
  --gold-dark: #A8892A;
  --gold-deep: #8B7320;
  --gold-faint: rgba(212, 175, 55, 0.08);
  --gold-faint-2: rgba(212, 175, 55, 0.15);
  --gold-glow: rgba(212, 175, 55, 0.35);

  --platinum: #F0F0F0;
  --platinum-muted: #C0C0C0;
  --text-heading: #F0F0F0;
  --text-body: #B0B0B0;
  --text-secondary: #909090;
  --text-muted: #686868;

  --onyx: #0A0A0A;
  --charcoal: #141414;
  --slate: #1E1E1E;
  --deep-black: #000000;

  --bg-darkest: #000000;
  --bg-dark: #060606;
  --bg-card: #0A0A0A;
  --bg-card-hover: #101010;

  --border: rgba(212, 175, 55, 0.1);
  --border-hover: rgba(212, 175, 55, 0.45);
  --border-card: rgba(212, 175, 55, 0.08);

  --radius: 8px;
  --radius-sm: 6px;
  --max-width: 1200px;
  --header-h: 80px;

  --glass-bg: rgba(10, 10, 10, 0.8);
  --glass-border: rgba(212, 175, 55, 0.08);
  --glass-blur: blur(16px);
}

/* ============ RESET & BASE ============ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--deep-black);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--header-h);
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ SECTION LABEL ============ */

.section-label {
  text-align: center;
  font-family: 'Raleway', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--empire-gold);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  margin-bottom: 14px;
  text-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

/* ============ SECTION TITLE ============ */

.section-title {
  text-align: center;
  font-family: 'Raleway', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 60px;
  color: var(--text-heading);
  letter-spacing: 0.05em;
  line-height: 1.15;
  text-transform: uppercase;
}

/* ============ GOLD DIVIDERS ============ */

.gold-divider {
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--empire-gold), transparent);
  margin: 0 auto 44px;
}

.gold-divider-wide {
  width: 100%;
  max-width: 400px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.25), transparent);
  margin: 0 auto;
}

/* ============ BUTTONS ============ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 14px 32px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--empire-gold) 0%, var(--gold-dark) 100%);
  color: var(--deep-black);
  box-shadow:
    0 2px 8px rgba(212, 175, 55, 0.3),
    0 0 40px rgba(212, 175, 55, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  animation: pulse-glow 3s ease-in-out infinite;
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--empire-gold) 100%);
  box-shadow:
    0 4px 16px rgba(212, 175, 55, 0.45),
    0 0 60px rgba(212, 175, 55, 0.15);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--platinum);
  border: 1px solid rgba(212, 175, 55, 0.25);
}
.btn-outline:hover {
  border-color: var(--empire-gold);
  color: var(--empire-gold);
  box-shadow: 0 0 30px rgba(212, 175, 55, 0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 17px 44px;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3), 0 0 40px rgba(212, 175, 55, 0.08), inset 0 1px 0 rgba(255,255,255,0.15); }
  50% { box-shadow: 0 4px 12px rgba(212, 175, 55, 0.4), 0 0 60px rgba(212, 175, 55, 0.12), inset 0 1px 0 rgba(255,255,255,0.15); }
}

/* ============ SECTION FADE ============ */

.section-fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.section-fade.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ WAVEFORM BARS ============ */

.waveform-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  height: 32px;
}

.waveform-bars span {
  display: block;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-dark));
  opacity: 0.3;
  animation: waveform-pulse 2s ease-in-out infinite;
}

.waveform-bars span:nth-child(1)  { height: 4px; animation-delay: 0s; }
.waveform-bars span:nth-child(2)  { height: 10px; animation-delay: 0.05s; }
.waveform-bars span:nth-child(3)  { height: 18px; animation-delay: 0.1s; }
.waveform-bars span:nth-child(4)  { height: 8px; animation-delay: 0.15s; }
.waveform-bars span:nth-child(5)  { height: 24px; animation-delay: 0.2s; }
.waveform-bars span:nth-child(6)  { height: 14px; animation-delay: 0.25s; }
.waveform-bars span:nth-child(7)  { height: 28px; animation-delay: 0.3s; }
.waveform-bars span:nth-child(8)  { height: 12px; animation-delay: 0.35s; }
.waveform-bars span:nth-child(9)  { height: 20px; animation-delay: 0.4s; }
.waveform-bars span:nth-child(10) { height: 6px; animation-delay: 0.45s; }
.waveform-bars span:nth-child(11) { height: 22px; animation-delay: 0.5s; }
.waveform-bars span:nth-child(12) { height: 16px; animation-delay: 0.55s; }
.waveform-bars span:nth-child(13) { height: 26px; animation-delay: 0.6s; }
.waveform-bars span:nth-child(14) { height: 10px; animation-delay: 0.65s; }
.waveform-bars span:nth-child(15) { height: 30px; animation-delay: 0.7s; }
.waveform-bars span:nth-child(16) { height: 18px; animation-delay: 0.75s; }
.waveform-bars span:nth-child(17) { height: 28px; animation-delay: 0.8s; }
.waveform-bars span:nth-child(18) { height: 14px; animation-delay: 0.85s; }
.waveform-bars span:nth-child(19) { height: 22px; animation-delay: 0.9s; }
.waveform-bars span:nth-child(20) { height: 8px; animation-delay: 0.95s; }
.waveform-bars span:nth-child(21) { height: 24px; animation-delay: 1.0s; }
.waveform-bars span:nth-child(22) { height: 16px; animation-delay: 1.05s; }
.waveform-bars span:nth-child(23) { height: 28px; animation-delay: 1.1s; }
.waveform-bars span:nth-child(24) { height: 12px; animation-delay: 1.15s; }
.waveform-bars span:nth-child(25) { height: 20px; animation-delay: 1.2s; }
.waveform-bars span:nth-child(26) { height: 6px; animation-delay: 1.25s; }
.waveform-bars span:nth-child(27) { height: 18px; animation-delay: 1.3s; }
.waveform-bars span:nth-child(28) { height: 10px; animation-delay: 1.35s; }
.waveform-bars span:nth-child(29) { height: 14px; animation-delay: 1.4s; }
.waveform-bars span:nth-child(30) { height: 4px; animation-delay: 1.45s; }

@keyframes waveform-pulse {
  0%, 100% { opacity: 0.2; transform: scaleY(0.8); }
  50% { opacity: 0.5; transform: scaleY(1.15); }
}

/* ============================================
   HEADER
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(212, 175, 55, 0.1), 0 8px 40px rgba(0, 0, 0, 0.6);
  border-bottom-color: rgba(212, 175, 55, 0.1);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  z-index: 1001;
}
.header-logo-img {
  height: 60px;
  width: auto;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-family: 'Raleway', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.3s ease;
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--empire-gold);
  transition: width 0.3s ease;
}
.nav-link:hover {
  color: var(--empire-gold);
}
.nav-link:hover::after {
  width: 100%;
}

.header-cta {
  padding: 10px 26px;
  font-size: 0.78rem;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--empire-gold);
  margin: 5px 0;
  transition: all 0.3s ease;
  border-radius: 1px;
}
.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative;
  min-height: auto;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--deep-black);
}
.hero-video {
  height: min(80vh, 860px);
  padding: 0;
  overflow: visible;
}


.hero-video::before { display: none; }
.hero-video::after { display: none; }

.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  background: var(--deep-black);
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.35) 40%, rgba(0,0,0,0.25) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-bottom-fade { display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 250px;
  background: linear-gradient(to bottom, transparent, var(--deep-black));
  pointer-events: none;
  z-index: 3;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start; padding-top: calc(45vh - 20px);
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
  padding-bottom: 48px;
  padding-top: 20px;
}

.hero-text {
  max-width: 680px;
}

.hero-headline {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 28px;
  color: var(--platinum);
}
.text-gold {
  background: linear-gradient(135deg, var(--gold-bright) 0%, var(--empire-gold) 50%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 30px rgba(212, 175, 55, 0.2));
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-brand-line {
  font-family: 'Raleway', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--empire-gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  opacity: 0.45;
}

/* ---- Hero Visual / Globe ---- */

.hero-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 32px;
}

/* ---- Stat Cards ---- */

.stat-card {
  position: relative;
  background: rgba(6, 6, 6, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(212, 175, 55, 0.12);
  border-left: 3px solid var(--empire-gold);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow:
    0 4px 30px rgba(0, 0, 0, 0.5),
    0 0 1px rgba(212, 175, 55, 0.15);
  min-width: 175px;
  z-index: 4;
  transition: all 0.4s ease;
}
.stat-card:hover {
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.6),
    0 0 20px rgba(212, 175, 55, 0.06);
}
.stat-label {
  font-family: 'Raleway', sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--empire-gold);
  text-transform: uppercase;
}
.stat-value {
  font-family: 'Raleway', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--platinum);
}

.stat-card-1 { animation: float 6s ease-in-out infinite; }
.stat-card-2 { animation: float 6s ease-in-out 1.5s infinite; }
.stat-card-3 { animation: float 6s ease-in-out 3s infinite; }
.stat-card-4 { animation: float 6s ease-in-out 4.5s infinite; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ============================================
   FEATURE STRIP
   ============================================ */

.feature-strip {
  padding: 10px 0 100px;
  background: var(--deep-black);
  border-top: 1px solid rgba(212, 175, 55, 0.06);
  position: relative;
}

.feature-strip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.15), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.feature-card:hover {
  border-color: rgba(212, 175, 55, 0.2);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4), 0 0 1px rgba(212, 175, 55, 0.2);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.12);
  color: var(--empire-gold);
  transition: all 0.3s ease;
}
.feature-card:hover .feature-icon {
  background: rgba(212, 175, 55, 0.1);
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.08);
}
.feature-card h3 {
  font-family: 'Raleway', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--platinum);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.feature-card p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}
.feature-card-text {
  flex: 1;
}

/* ============================================
   TAGLINE BANNER
   ============================================ */

.tagline-banner {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--deep-black);
}

.tagline-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin: 28px 0 16px;
}

.tagline-line {
  height: 1px;
  flex: 1;
  max-width: 140px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.25));
}
.tagline-line:last-child {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.25), transparent);
}

.tagline-top {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(0.82rem, 1.8vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  text-transform: uppercase;
}
.tagline-bottom {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-bright) 0%, var(--empire-gold) 50%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}

.tagline-waveform {
  margin: 28px 0;
}

/* ============================================
   HOW IT WORKS
   ============================================ */

.how-it-works {
  padding: 120px 0;
  background: var(--onyx);
  position: relative;
}
.how-it-works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.1), transparent);
}

.steps-pipeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
  padding: 0 16px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--empire-gold) 0%, var(--gold-dark) 100%);
  color: var(--deep-black);
  font-family: 'Raleway', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 28px;
  box-shadow:
    0 0 30px rgba(212, 175, 55, 0.2),
    0 4px 16px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  position: relative;
  z-index: 2;
}

.step-connector {
  position: absolute;
  top: 32px;
  left: calc(50% + 44px);
  width: calc(100% - 44px);
  height: 1px;
  background: linear-gradient(90deg, var(--empire-gold), rgba(212, 175, 55, 0.05));
  z-index: 1;
}
.step:last-child .step-connector { display: none; }

.step h3 {
  font-family: 'Raleway', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--platinum);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.step p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.steps-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 52px;
  font-family: 'Raleway', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.flow-arrow {
  color: var(--empire-gold);
  font-size: 1.3rem;
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.3);
}

/* ============================================
   PLATFORM CAPABILITIES
   ============================================ */

.platform-capabilities {
  padding: 120px 0;
  background: var(--deep-black);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.cap-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--empire-gold), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.cap-card:hover {
  border-color: rgba(212, 175, 55, 0.18);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}
.cap-card:hover::after {
  opacity: 0.5;
}
.cap-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.05);
  border: 1px solid rgba(212, 175, 55, 0.1);
  margin-bottom: 20px;
  color: var(--empire-gold);
  transition: all 0.3s ease;
}
.cap-card:hover .cap-icon {
  background: rgba(212, 175, 55, 0.08);
  box-shadow: 0 0 16px rgba(212, 175, 55, 0.06);
}
.cap-card h3 {
  font-family: 'Raleway', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--platinum);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.cap-card p {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ============================================
   USE CASES
   ============================================ */

.use-cases {
  padding: 120px 0;
  background: var(--onyx);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.use-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.use-card:hover {
  border-color: rgba(212, 175, 55, 0.18);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
  transform: translateY(-4px);
}
.use-card h3 {
  font-family: 'Raleway', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--platinum);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.use-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   CASE STUDIES
   ============================================ */

.case-studies {
  padding: 120px 0;
  background: var(--deep-black);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.case-card:hover {
  border-color: rgba(212, 175, 55, 0.18);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}
.case-card h3 {
  font-family: 'Raleway', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--platinum);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.case-stats {
  margin-bottom: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.06);
}
.case-stat {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.5;
}
.case-number {
  font-family: 'Raleway', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gold-bright), var(--empire-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-right: 6px;
}
.case-card > p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   INTEGRATIONS
   ============================================ */

.integrations {
  padding: 120px 0;
  background: var(--onyx);
}

.integrations-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.integration-badge {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 3px;
  font-family: 'Raleway', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.35s ease;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.integration-badge:hover {
  border-color: rgba(212, 175, 55, 0.25);
  color: var(--empire-gold);
  box-shadow: 0 0 24px rgba(212, 175, 55, 0.06);
}

/* ============================================
   COMPLIANCE
   ============================================ */

.compliance {
  padding: 120px 0;
  background: var(--deep-black);
}

.compliance-text {
  text-align: center;
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: -20px auto 52px;
  line-height: 1.7;
}

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 64px;
  max-width: 640px;
  margin: 0 auto;
}

.compliance-col {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.compliance-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.92rem;
  color: var(--text-body);
}

.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(212, 175, 55, 0.06);
  border: 1px solid rgba(212, 175, 55, 0.15);
  color: var(--empire-gold);
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   METRICS
   ============================================ */

.metrics {
  padding: 120px 0;
  background: var(--onyx);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 36px 16px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2), transparent);
}
.metric-card:hover {
  border-color: rgba(212, 175, 55, 0.18);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}

.metric-number {
  display: block;
  font-family: 'Raleway', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(180deg, var(--gold-bright) 0%, var(--empire-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  line-height: 1;
}

.metric-label {
  display: block;
  font-family: 'Raleway', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================
   PRICING
   ============================================ */

.pricing {
  padding: 120px 0;
  background: var(--deep-black);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius);
  padding: 44px 32px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 56px rgba(0, 0, 0, 0.5);
  border-color: rgba(212, 175, 55, 0.2);
}

.pricing-featured {
  border-color: rgba(212, 175, 55, 0.3);
  border-top: 2px solid var(--empire-gold);
  box-shadow: 0 8px 60px rgba(0, 0, 0, 0.5), 0 0 1px rgba(212, 175, 55, 0.2);
  transform: scale(1.04);
  background: var(--bg-card-hover);
}
.pricing-featured:hover {
  transform: scale(1.04) translateY(-6px);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.6), 0 0 2px rgba(212, 175, 55, 0.3);
}

.pricing-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--empire-gold) 0%, var(--gold-dark) 100%);
  color: var(--deep-black);
  font-family: 'Raleway', sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  padding: 6px 22px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.2);
}

.pricing-card h3 {
  font-family: 'Raleway', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--platinum);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.pricing-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-amount {
  font-family: 'Raleway', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--platinum);
  margin-bottom: 28px;
}
.pricing-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
}

.pricing-features {
  margin-bottom: 32px;
  text-align: left;
}
.pricing-features li {
  padding: 10px 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  border-bottom: 1px solid rgba(212, 175, 55, 0.04);
  position: relative;
  padding-left: 24px;
}
.pricing-features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--empire-gold);
  font-weight: 700;
  font-size: 0.82rem;
}

/* ============================================
   FINAL CTA
   ============================================ */

.final-cta {
  padding: 140px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--deep-black);
  border-top: 1px solid rgba(212, 175, 55, 0.06);
}

.cta-crown-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 700px;
  background: url('assets/images/logo-full.png') center/contain no-repeat;
  opacity: 0.025;
  pointer-events: none;
}

.final-cta h2 {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--platinum);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.final-cta p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 24px;
  line-height: 1.75;
  position: relative;
}

.cta-waveform {
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  margin-bottom: 52px;
}

.cta-brand-line {
  font-family: 'Raleway', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gold-bright) 0%, var(--empire-gold) 50%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  position: relative;
}

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  padding: 72px 0 0;
  border-top: 1px solid rgba(212, 175, 55, 0.1);
  background: var(--deep-black);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr repeat(4, 1fr);
  gap: 40px;
  padding-bottom: 48px;
}

.footer-logo {
  margin-bottom: 16px;
}

.footer-logo-img {
  height: 50px;
  width: auto;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 240px;
}

.footer-col h4 {
  font-family: 'Raleway', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--empire-gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 20px;
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 5px 0;
  transition: color 0.25s ease;
}
.footer-col a:hover { color: var(--platinum); }

.footer-brand-line {
  text-align: center;
  font-family: 'Raleway', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 28px 0;
  border-top: 1px solid rgba(212, 175, 55, 0.06);
  line-height: 2;
}

.footer-brand-line strong {
  color: var(--empire-gold);
  font-weight: 800;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid rgba(212, 175, 55, 0.06);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.footer-legal {
  display: flex;
  gap: 24px;
}
.footer-legal a {
  color: var(--text-muted);
  transition: color 0.25s ease;
}
.footer-legal a:hover { color: var(--platinum); }

/* ============================================
   RESPONSIVE -- TABLET (900px)
   ============================================ */

@media (max-width: 900px) {
  .feature-strip-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .feature-card {
    flex-direction: column;
    text-align: center;
  }
  .feature-icon {
    margin: 0 auto;
  }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   RESPONSIVE -- TABLET (768px)
   ============================================ */

@media (max-width: 768px) {
  .header-nav { display: none; }
  .header-cta { display: none; }
  .hamburger { display: block; }

  .header-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    justify-content: center;
    align-items: center;
    gap: 28px;
    z-index: 999;
  }
  .header-nav.open .nav-link {
    font-size: 1.2rem;
    color: var(--platinum);
  }
  .header-nav.open .nav-link::after {
    display: none;
  }

  .hero-video-bg {
    height: 50vh;
    min-height: 360px;
  }
  .hero-inner {
    text-align: center;
    padding-bottom: 32px;
  }
  .hero-text {
    max-width: 100%;
    text-align: center;
    margin: 0 auto;
  }
  .hero-headline { font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 16px; }
  .hero-sub { margin: 0 auto 24px; font-size: 0.9rem; }
  .hero-buttons { justify-content: center; gap: 12px; }
  .hero-brand-line { margin: 0 auto; font-size: 0.72rem; }

  .hero-stats {
    justify-content: center;
  }
  .stat-card { min-width: 140px; padding: 12px 16px; }

  .feature-strip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card {
    flex-direction: column;
    text-align: center;
  }
  .feature-icon {
    margin: 0 auto;
  }

  .steps-pipeline {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .step-connector { display: none; }
  .steps-flow { flex-wrap: wrap; }

  .capabilities-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .case-studies-grid {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }
  .pricing-featured {
    order: -1;
    transform: none;
  }
  .pricing-featured:hover {
    transform: translateY(-6px);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .tagline-top {
    white-space: normal;
    letter-spacing: 0.06em;
    font-size: 0.78rem;
  }
}

/* ============================================
   RESPONSIVE -- MOBILE (480px)
   ============================================ */

@media (max-width: 480px) {
  .section-title {
    font-size: 1.4rem;
    margin-bottom: 36px;
    letter-spacing: 0.02em;
  }

  .hero-video {
    height: 45svh;
    min-height: 38.5svh;
    margin-top: 7.2svh;
  }
  .hero-video-bg {
    height: 100%;
    object-position: center center;
  }
  .hero-inner {
    padding: 16px 16px 16px;
    justify-content: flex-start;
    padding-top: 47svh;
  }
  .hero-headline {
    position: absolute;
    top: -5.76svh;
    left: 16px;
    right: 16px;
    margin-bottom: 0;
    font-size: 1.5rem;
    line-height: 1.15;
  }
  .hero-sub {
    display: none;
  }
  .hero-buttons {
    gap: 10px;
    margin-bottom: 1svh;
  }
  .hero-buttons .btn {
    padding: 10px 18px;
    font-size: 0.7rem;
  }
  .hero-brand-line {
    font-size: 0.65rem;
    letter-spacing: 0.1em;
  }
  .hero-stats {
    gap: 6px;
    margin-top: 1svh;
    flex-wrap: wrap;
  }
  .stat-card {
    padding: 8px 12px;
    min-width: auto;
    flex: 1 1 calc(50% - 6px);
    max-width: calc(50% - 3px);
  }
  .stat-value { font-size: 0.9rem; }
  .stat-label { font-size: 0.5rem; letter-spacing: 0.08em; }

  .feature-strip { padding-top: 29svh; }
  .feature-strip-grid {
    grid-template-columns: 1fr;
  }
  .feature-card {
    flex-direction: row;
    text-align: left;
  }
  .feature-icon {
    margin: 0;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .metric-number {
    font-size: 2.2rem;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .integrations-row {
    gap: 8px;
  }
  .integration-badge {
    padding: 10px 18px;
    font-size: 0.75rem;
  }

  .pricing-amount { font-size: 2.2rem; }
  .pricing-card { padding: 32px 24px; }

  .final-cta { padding: 80px 0; }

  .tagline-top {
    font-size: 0.72rem;
    letter-spacing: 0.04em;
  }
  .tagline-bottom {
    font-size: 1.3rem;
  }

  .steps-flow {
    font-size: 0.68rem;
    gap: 8px;
  }
}