:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #f5f0eb;
  --fg-muted: #a89f96;
  --accent: #d4a574;
  --accent-glow: #e8c49e;
  --accent-deep: #b8845a;
  --rose: #c9878f;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-grain {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  top: -100px;
  right: -150px;
  background: radial-gradient(circle, rgba(212,165,116,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
}

.hero-tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), var(--rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.hero-cta {
  margin-bottom: 2.5rem;
}

.hero-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #1a1a1a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  padding: 0.85rem 2rem;
  border-radius: 12px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
}
.hero-btn:hover { opacity: 0.88; transform: translateY(-1px); }
.hero-btn:active { transform: scale(0.98); }

/* orbit visual */
.hero-visual {
  position: relative;
  z-index: 2;
  width: 260px;
  height: 260px;
  margin: 0 auto;
}

.orbit-ring {
  position: relative;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(212,165,116,0.15);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.orbit-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 56px;
  height: 56px;
  margin: -28px 0 0 -28px;
  background: var(--bg-card);
  border: 1px solid rgba(212,165,116,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--accent);
  transform: rotate(var(--pos)) translateX(130px) rotate(calc(-1 * var(--pos)));
  animation: counter-spin 30s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes counter-spin { to { transform: rotate(var(--pos)) translateX(130px) rotate(calc(-1 * var(--pos) - 360deg)); } }

/* ============ PROBLEM ============ */
.problem {
  padding: 7rem 2rem;
  background: var(--bg);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--fg);
  max-width: 700px;
  margin-bottom: 3rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(212,165,116,0.08);
  border-radius: 16px;
  padding: 2.5rem 2rem;
}

.problem-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 0.75rem;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============ FEATURES ============ */
.features {
  padding: 7rem 2rem;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 3.5rem;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature-item {
  background: var(--bg);
  border: 1px solid rgba(212,165,116,0.06);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  transition: border-color 0.3s;
}

.feature-item:hover {
  border-color: rgba(212,165,116,0.2);
}

.feature-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-item p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

/* ============ HOW (THE LOOP) ============ */
.how {
  padding: 7rem 2rem;
  background: var(--bg);
}

.how-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 3.5rem;
}

.loop-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.loop-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-deep), var(--rose), var(--accent-deep));
  opacity: 0.2;
}

.loop-step {
  position: relative;
}

.step-marker {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  width: 56px;
  height: 56px;
  border: 1px solid rgba(212,165,116,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.loop-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.loop-step p {
  color: var(--fg-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ============ CLOSING ============ */
.closing {
  padding: 8rem 2rem;
  background: var(--bg-elevated);
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 2rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--rose));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============ FOOTER ============ */
.site-footer {
  padding: 3rem 2rem;
  background: var(--bg);
  border-top: 1px solid rgba(212,165,116,0.06);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .loop-steps {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .loop-steps::before {
    display: none;
  }
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
  }
  .hero-visual {
    width: 200px;
    height: 200px;
  }
  .orbit-dot {
    width: 44px;
    height: 44px;
    margin: -22px 0 0 -22px;
    font-size: 0.55rem;
    transform: rotate(var(--pos)) translateX(100px) rotate(calc(-1 * var(--pos)));
  }
  .problem, .features, .how, .closing {
    padding: 4rem 1.5rem;
  }
}