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

:root {
  --bg: #0a1628;
  --bg-alt: #0f1f38;
  --fg: #f8f5ef;
  --fg-muted: #8a9bb0;
  --gold: #d4a853;
  --gold-dim: #a07d32;
  --gold-glow: rgba(212,168,83,0.18);
  --navy-mid: #1a2f50;
  --red-warn: #e07050;
  --green-done: #4a9d6e;
  --border: rgba(212,168,83,0.12);
}

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

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

h1, h2, h3 { font-family: 'Playfair Display', Georgia, serif; line-height: 1.2; }

a { color: inherit; text-decoration: none; }

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(12px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo-mark {
  width: 28px; height: 28px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  position: relative;
}
.nav-logo-mark::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 10px; height: 10px;
  background: var(--gold);
  border-radius: 50%;
}

.nav-name {
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: var(--fg);
}

.nav-tagline {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,168,83,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,168,83,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-bg-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212,168,83,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; }

.hero-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 32px;
}

.hero-headline {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.hero-headline em {
  font-style: italic;
  color: var(--gold);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 440px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-proof-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 48px;
}

.hero-stat {}
.hero-stat-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.hero-stat-label {
  display: block;
  font-size: 0.72rem;
  color: var(--fg-muted);
  margin-top: 4px;
  max-width: 120px;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  border-radius: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-primary {
  background: var(--gold);
  color: #0a1628;
  border: 1px solid var(--gold);
}
.btn-primary:hover { background: #e0b65e; border-color: #e0b65e; }
.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* === BOARD MOCK === */
.hero-visual { position: relative; }

.board-mock {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 40px var(--gold-glow);
}

.board-mock-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(212,168,83,0.06);
}

.board-mock-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--gold-dim);
}
.board-mock-dot:first-child { background: var(--red-warn); }
.board-mock-dot:nth-child(2) { background: var(--gold); }
.board-mock-dot:nth-child(3) { background: var(--fg-muted); }

.board-mock-title {
  font-size: 0.72rem;
  color: var(--fg-muted);
  margin-left: 8px;
  letter-spacing: 0.05em;
}

.board-mock-body { padding: 20px; display: flex; flex-direction: column; gap: 16px; }

.bm-item {
  padding: 14px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.bm-item--ai {
  background: rgba(212,168,83,0.07);
  border-color: rgba(212,168,83,0.25);
}
.bm-item--action { background: transparent; }

.bm-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.bm-bar {
  height: 4px;
  background: rgba(212,168,83,0.2);
  border-radius: 2px;
  width: var(--w);
  margin-bottom: 8px;
  position: relative;
}
.bm-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 100%;
  background: linear-gradient(90deg, var(--gold), rgba(212,168,83,0.4));
  border-radius: 2px;
}
.bm-bar--warn::after {
  background: linear-gradient(90deg, var(--red-warn), rgba(224,112,80,0.4));
}

.bm-sub {
  font-size: 0.72rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.bm-actions { display: flex; flex-direction: column; gap: 6px; }
.bm-action {
  font-size: 0.72rem;
  padding: 5px 10px;
  border-radius: 3px;
  border-left: 2px solid;
}
.bm-action--open {
  border-color: var(--gold);
  background: rgba(212,168,83,0.08);
  color: var(--fg);
}
.bm-action--done {
  border-color: var(--green-done);
  background: rgba(74,157,110,0.08);
  color: var(--green-done);
}

.hero-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--gold);
  color: #0a1628;
  padding: 12px 16px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-icon { font-size: 0.9rem; }
.badge-text span { font-weight: 400; opacity: 0.7; }

/* === PROOF === */
.proof {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 64px 48px;
}

.proof-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: center;
}

.proof-quote {}
.proof-text {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  font-style: italic;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.5;
}
.proof-attr { font-size: 0.8rem; color: var(--gold); }

.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.proof-stat {}
.proof-num {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}
.proof-desc { font-size: 0.8rem; color: var(--fg-muted); line-height: 1.5; }

/* === FEATURES === */
.features {
  padding: 96px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.section-headline {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  color: var(--fg);
  max-width: 560px;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--fg-muted);
  max-width: 520px;
  margin-bottom: 56px;
  font-size: 1rem;
}

.feat-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2px;
}

.feat-card {
  padding: 36px 32px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: background 0.2s;
}
.feat-card:hover { background: rgba(212,168,83,0.05); }
.feat-card--primary {
  background: rgba(212,168,83,0.07);
  border-color: rgba(212,168,83,0.2);
}
.feat-card--primary:hover { background: rgba(212,168,83,0.1); }

.feat-icon {
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}

.feat-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--fg);
  margin-bottom: 12px;
}

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

/* === DIFFERENTIATOR === */
.diff {
  padding: 80px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

.diff-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 96px;
  align-items: center;
}

.diff-headline {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  color: var(--fg);
  margin: 20px 0 24px;
  line-height: 1.3;
}

.diff-body {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 36px;
}

.diff-points { display: flex; flex-direction: column; gap: 20px; }

.diff-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.diff-point-mark {
  width: 20px; height: 20px;
  min-width: 20px;
  background: var(--gold);
  border-radius: 50%;
  margin-top: 2px;
  box-shadow: 0 0 12px rgba(212,168,83,0.4);
}

.diff-point div { font-size: 0.88rem; color: var(--fg-muted); line-height: 1.65; }
.diff-point strong { color: var(--fg); }

/* === DIFF VISUAL === */
.diff-visual { display: flex; justify-content: center; }

.diff-circle {
  position: relative;
  width: 360px; height: 360px;
}

.diff-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(212,168,83,0.15);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.diff-ring--1 { width: 240px; height: 240px; }
.diff-ring--2 { width: 300px; height: 300px; border-color: rgba(212,168,83,0.08); }
.diff-ring--3 { width: 360px; height: 360px; border-color: rgba(212,168,83,0.04); }

.diff-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 2;
}
.diff-center-text {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
}
.diff-center-sub {
  font-size: 0.65rem;
  color: var(--fg-muted);
  line-height: 1.4;
  display: block;
  margin-top: 4px;
}

.diff-node {
  position: absolute;
  background: rgba(212,168,83,0.1);
  border: 1px solid rgba(212,168,83,0.25);
  border-radius: 4px;
  padding: 6px 12px;
  font-size: 0.7rem;
  color: var(--fg-muted);
  white-space: nowrap;
  backdrop-filter: blur(8px);
}

.diff-node--1 { top: 40px; left: 50%; transform: translateX(-50%); }
.diff-node--2 { top: 50%; right: 20px; transform: translateY(-50%); }
.diff-node--3 { bottom: 40px; left: 50%; transform: translateX(-50%); }
.diff-node--4 { top: 50%; left: 20px; transform: translateY(-50%); }

/* === CLOSING === */
.closing {
  padding: 120px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 800px; height: 400px;
  background: radial-gradient(ellipse, rgba(212,168,83,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner { position: relative; max-width: 640px; margin: 0 auto; }

.closing-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 28px;
}

.closing-headline {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--fg);
  margin-bottom: 20px;
  line-height: 1.3;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 36px;
}

.closing-link a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}
.closing-link a:hover { color: #e0b65e; border-color: #e0b65e; }

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--border);
  padding: 24px 48px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-name { font-weight: 600; font-size: 0.85rem; }
.footer-sep { color: var(--border); }
.footer-product { font-size: 0.85rem; color: var(--fg-muted); }
.footer-copy { font-size: 0.72rem; color: var(--fg-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 0.75rem; color: var(--fg-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 100px; }
  .hero-visual { display: none; }
  .proof-inner { grid-template-columns: 1fr; gap: 40px; }
  .proof-stats { grid-template-columns: 1fr 1fr; }
  .feat-grid { grid-template-columns: 1fr; }
  .diff-inner { grid-template-columns: 1fr; }
  .diff-visual { display: none; }
  .nav { padding: 16px 24px; }
  .hero, .proof, .features, .diff, .closing { padding-left: 24px; padding-right: 24px; }
  .footer-inner { flex-wrap: wrap; gap: 12px; }
}

@media (max-width: 480px) {
  .hero-proof-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-stat-divider { display: none; }
  .proof-stats { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .btn { text-align: center; justify-content: center; }
}