/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #faf6f0;
  --bg-alt: #f2ede3;
  --fg: #1a1a1a;
  --fg-muted: #6b6458;
  --green: #1a3a2f;
  --amber: #c97b2a;
  --terracotta: #d4593a;
  --warm-gray: #c4b9a8;
  --border: #e2dbd0;
  --white: #ffffff;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  --max-w: 1100px;
  --section-pad: clamp(80px, 10vw, 120px);
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* === NAV === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--green);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 500;
}

/* === SECTION LABELS === */
.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 16px;
}

/* === HERO === */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: var(--section-pad) 32px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-globe {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(400px, 55vw, 700px);
  height: clamp(400px, 55vw, 700px);
  border-radius: 50%;
  background: radial-gradient(ellipse at 40% 40%,
    rgba(26, 58, 47, 0.08) 0%,
    rgba(201, 123, 42, 0.05) 40%,
    transparent 70%
  );
  border: 1px solid rgba(26, 58, 47, 0.08);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26, 58, 47, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 58, 47, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}
.hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--amber);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 28px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--green);
  margin-bottom: 28px;
}
.hero-headline em {
  font-style: italic;
  color: var(--terracotta);
}
.hero-sub {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-interest-block {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.interest-tag {
  display: inline-block;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.82rem;
  color: var(--fg-muted);
  font-weight: 500;
}
.hero-whisper {
  font-size: 0.85rem;
  color: var(--warm-gray);
  font-style: italic;
}

/* === FERRIS WHEEL === */
.hero-visual {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
}
.ferris-wheel {
  position: relative;
  width: clamp(260px, 35vw, 480px);
  height: clamp(260px, 35vw, 480px);
}
.fw-hub {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: var(--green);
  border-radius: 50%;
  border: 4px solid var(--amber);
  z-index: 3;
}
.fw-hub::after {
  content: '';
  position: absolute;
  inset: 8px;
  background: var(--amber);
  border-radius: 50%;
}
.fw-spoke {
  position: absolute;
  width: 2px;
  height: 50%;
  left: 50%;
  bottom: 50%;
  transform-origin: bottom center;
  background: linear-gradient(to top, var(--green), transparent);
}
.fw-spoke-1 { transform: rotate(-90deg); }
.fw-spoke-2 { transform: rotate(-30deg); }
.fw-spoke-3 { transform: rotate(30deg); }
.fw-spoke-4 { transform: rotate(90deg); }
.fw-spoke-5 { transform: rotate(150deg); }
.fw-spoke-6 { transform: rotate(210deg); }
.fw-cabin {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--green);
  box-shadow: 0 4px 16px rgba(26, 58, 47, 0.15);
}

/* === MANIFESTO === */
.manifesto {
  background: var(--green);
  color: var(--bg);
  padding: clamp(60px, 8vw, 90px) 32px;
}
.manifesto-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1px 1fr;
  gap: 48px;
  align-items: center;
}
.manifesto-stat {
  display: flex;
  flex-direction: column;
}
.manifesto-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  font-weight: 300;
  line-height: 1;
  color: var(--amber);
  display: block;
}
.manifesto-label {
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.4;
  color: rgba(250, 246, 240, 0.7);
  margin-top: 8px;
}
.manifesto-divider {
  width: 1px;
  height: 120px;
  background: rgba(250, 246, 240, 0.2);
}
.manifesto-quote {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.manifesto-text {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.5;
  color: var(--bg);
}
.manifesto-attr {
  font-size: 0.78rem;
  color: rgba(250, 246, 240, 0.4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* === FEATURES === */
.features {
  padding: var(--section-pad) 32px;
  background: var(--bg);
}
.features-header {
  max-width: var(--max-w);
  margin: 0 auto 64px;
}
.features-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
  color: var(--green);
  letter-spacing: -0.02em;
}
.features-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 58, 47, 0.08);
}
.feature-card--alt {
  background: var(--green);
  border-color: var(--green);
  color: var(--bg);
}
.feature-card--alt .feature-title { color: var(--bg); }
.feature-card--alt .feature-desc { color: rgba(250, 246, 240, 0.75); }
.feature-icon {
  margin-bottom: 24px;
}
.feature-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 12px;
  line-height: 1.3;
}
.feature-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--fg-muted);
}

/* === CURIOSITY === */
.curiosity {
  padding: var(--section-pad) 32px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.curiosity-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.curiosity-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 600;
  color: var(--green);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.curiosity-body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.curiosity-cite {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.cite-bar {
  width: 3px;
  min-height: 60px;
  background: var(--amber);
  border-radius: 2px;
  flex-shrink: 0;
}
.curiosity-cite p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--fg);
  line-height: 1.6;
}
.cite-source {
  font-style: normal;
  font-size: 0.8rem;
  color: var(--warm-gray);
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
}
.comparison-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.comparison-side { background: var(--bg); padding: 28px 24px; }
.comparison-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-gray);
  display: block;
  margin-bottom: 20px;
}
.comparison-grind { }
.comparison-wander { background: rgba(26, 58, 47, 0.04); }
.comparison-items { display: flex; flex-direction: column; gap: 12px; }
.comp-item {
  font-size: 0.88rem;
  color: var(--warm-gray);
  padding: 10px 14px;
  background: var(--bg-alt);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.comp-item--active {
  color: var(--green);
  font-weight: 500;
  background: rgba(26, 58, 47, 0.06);
  border-color: rgba(26, 58, 47, 0.15);
}

/* === AI COMPANION === */
.ai-companion {
  padding: var(--section-pad) 32px;
  background: var(--bg);
}
.ai-companion-inner { max-width: var(--max-w); margin: 0 auto; }
.ai-header { margin-bottom: 56px; }
.ai-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 600;
  color: var(--green);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.ai-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}
.buddy-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}
.buddy-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.buddy-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(26, 58, 47, 0.1);
}
.buddy-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  margin: 0 auto 14px;
}
.buddy-avatar--luna { background: linear-gradient(135deg, #c97b2a, #e8b050); }
.buddy-avatar--bandit { background: linear-gradient(135deg, #1a3a2f, #2d5c47); }
.buddy-avatar--sophia { background: linear-gradient(135deg, #d4593a, #e88060); }
.buddy-avatar--emma { background: linear-gradient(135deg, #8b7355, #b09870); }
.buddy-avatar--alex { background: linear-gradient(135deg, #6b8e7a, #8fb09e); }
.buddy-info { display: flex; flex-direction: column; gap: 4px; }
.buddy-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--green);
}
.buddy-role {
  font-size: 0.72rem;
  color: var(--fg-muted);
  font-weight: 500;
}
.ai-availability {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 500;
}
.avail-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4caf50;
  display: inline-block;
  box-shadow: 0 0 6px rgba(76, 175, 80, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 6px rgba(76, 175, 80, 0.6); }
  50% { box-shadow: 0 0 12px rgba(76, 175, 80, 0.9); }
}

/* === CLOSING === */
.closing {
  padding: var(--section-pad) 32px;
  background: var(--green);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing-globe {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse at center,
    rgba(201, 123, 42, 0.12) 0%,
    transparent 60%
  );
  pointer-events: none;
}
.closing-inner { position: relative; z-index: 1; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 600;
  color: var(--bg);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.closing-sub {
  font-size: 1.1rem;
  color: rgba(250, 246, 240, 0.6);
}

/* === FOOTER === */
.footer {
  padding: 48px 32px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--green);
  display: block;
  margin-bottom: 8px;
}
.footer-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 280px;
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--warm-gray);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr; gap: 20px; }
  .curiosity-inner { grid-template-columns: 1fr; gap: 48px; }
  .buddy-grid { grid-template-columns: repeat(3, 1fr); }
  .manifesto-inner { grid-template-columns: 1fr; gap: 32px; }
  .manifesto-divider { display: none; }
  .hero-visual { display: none; }
  .footer-inner { flex-direction: column; gap: 24px; align-items: flex-start; }
}

@media (max-width: 600px) {
  .buddy-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-inner { padding: 14px 20px; }
  .hero, .features, .curiosity, .ai-companion, .closing { padding-left: 20px; padding-right: 20px; }
  .manifesto { padding-left: 20px; padding-right: 20px; }
}