:root {
  --bg: #faf6f0;
  --fg: #1a1714;
  --accent: #0057b8;
  --warm: #e8572a;
  --sand: #f0e6d4;
  --sea: #d4e8ef;
  --sea-deep: #0a3d5c;
  --gold: #d4a853;
  --radius: 16px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 24px 60px;
  background: linear-gradient(175deg, #0a3d5c 0%, #0057b8 35%, #38a3d4 65%, #7ecfe0 85%, var(--sand) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: var(--bg);
  clip-path: ellipse(55% 100% at 50% 100%);
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 100px;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: 40px;
  backdrop-filter: blur(4px);
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 1.0;
  color: #fff;
  max-width: 900px;
  letter-spacing: -2px;
}

.hero h1 span {
  display: block;
  background: linear-gradient(90deg, var(--gold), #f5d990);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  margin-top: 28px;
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  line-height: 1.7;
}

/* ─── VIDEO ─── */
.video-section {
  padding: 0 24px 80px;
  margin-top: -40px;
  position: relative;
  z-index: 1;
}

.video-container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.video-label {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.video-wrapper {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  box-shadow: 0 20px 60px rgba(10, 61, 92, 0.25), 0 8px 24px rgba(0,0,0,0.12);
  cursor: pointer;
}

.video-wrapper video {
  display: block;
  width: 100%;
  height: auto;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.92);
  color: var(--sea-deep);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
  transition: transform 0.2s ease, background 0.2s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  z-index: 2;
}

.video-play-btn svg {
  width: 28px;
  height: 28px;
  margin-left: 3px;
}

.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: #fff;
}

.video-mute-btn {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: rgba(0,0,0,0.5);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  transition: background 0.2s ease;
  z-index: 2;
}

.video-mute-btn svg {
  width: 18px;
  height: 18px;
}

.video-mute-btn:hover {
  background: rgba(0,0,0,0.7);
}

.video-caption {
  margin-top: 16px;
  font-size: 0.9rem;
  color: #9c9490;
  font-style: italic;
}

/* ─── HOW IT WORKS ─── */
.how {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.how-label {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.how h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 60px;
  max-width: 680px;
  letter-spacing: -1px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step {
  position: relative;
  padding: 32px 24px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(0,0,0,0.06);
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  color: var(--sea);
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.95rem;
  color: #5c5650;
  line-height: 1.55;
}

/* ─── NUMBERS ─── */
.numbers {
  background: var(--sea-deep);
  padding: 80px 24px;
  color: #fff;
}

.numbers-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-val {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--gold), #f5d990);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.4;
}

/* ─── PROPOSITION ─── */
.proposition {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.prop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.prop-left .prop-label {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 16px;
}

.prop-left h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.prop-left p {
  color: #5c5650;
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.prop-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.prop-card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--sand);
  border-left: 4px solid var(--gold);
}

.prop-card h4 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.prop-card p {
  font-size: 0.9rem;
  color: #5c5650;
  line-height: 1.5;
}

/* ─── CLOSING ─── */
.closing {
  text-align: center;
  padding: 80px 24px 100px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--sand) 100%);
}

.closing h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin-bottom: 20px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: -1px;
}

.closing p {
  color: #5c5650;
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ─── FOOTER ─── */
footer {
  padding: 40px 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #9c9490;
  background: var(--sand);
}

footer a {
  color: var(--accent);
  text-decoration: none;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .steps {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .numbers-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .prop-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .video-section {
    padding: 0 16px 60px;
  }
  .video-play-btn {
    width: 56px;
    height: 56px;
  }
  .video-play-btn svg {
    width: 22px;
    height: 22px;
  }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }
  .numbers-inner {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .video-section {
    padding: 0 12px 48px;
    margin-top: -20px;
  }
  .video-wrapper {
    border-radius: 12px;
  }
  .video-play-btn {
    width: 48px;
    height: 48px;
  }
  .video-play-btn svg {
    width: 20px;
    height: 20px;
  }
  .video-mute-btn {
    bottom: 10px;
    right: 10px;
    width: 34px;
    height: 34px;
  }
}