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

:root {
  --bg: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #181818;
  --fg: #f7f3ee;
  --fg-muted: #9a9490;
  --fg-subtle: #5a5550;
  --accent: #d4a853;
  --accent-dim: rgba(212, 168, 83, 0.12);
  --border: rgba(247, 243, 238, 0.08);
  --border-accent: rgba(212, 168, 83, 0.25);

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

  --max-w: 1200px;
  --gutter: clamp(24px, 5vw, 80px);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===========================
   NAV
   =========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px var(--gutter);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-brand { display: flex; align-items: center; gap: 10px; }
.nav-logo {
  width: 28px; height: 28px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 6px;
}
.nav-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* ===========================
   HERO
   =========================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(80px + var(--gutter)) var(--gutter) var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 40px;
}

.eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(212, 168, 83, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 48px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* WhatsApp Chat */
.hero-chat {
  display: flex;
  justify-content: center;
}

.chat-window {
  width: 100%;
  max-width: 360px;
  background: #161412;
  border: 1px solid var(--border-accent);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(212,168,83,0.1), inset 0 1px 0 rgba(255,255,255,0.04);
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: #1e1a15;
  border-bottom: 1px solid var(--border);
}

.chat-header-avatar {
  width: 38px; height: 38px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  color: #0a0a0a;
  flex-shrink: 0;
}

.chat-header-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 2px;
}

.chat-header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--fg-muted);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #4caf50;
  box-shadow: 0 0 6px rgba(76, 175, 80, 0.5);
}

.chat-body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 380px;
  overflow-y: auto;
}

.chat-date {
  font-size: 10px;
  color: var(--fg-subtle);
  text-align: center;
  margin: 4px 0;
}

.chat-msg { display: flex; flex-direction: column; }

.msg-incoming { align-items: flex-start; }
.msg-outgoing { align-items: flex-end; }

.msg-bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
}

.msg-bubble.incoming {
  background: #262220;
  border-bottom-left-radius: 4px;
  color: var(--fg);
}

.msg-bubble.outgoing {
  background: var(--accent);
  color: #0a0a0a;
  border-bottom-right-radius: 4px;
}

.msg-meta {
  font-size: 10px;
  color: var(--fg-muted);
  margin-top: 4px;
  padding-right: 4px;
}

.msg-bubble.confirmed {
  background: rgba(212, 168, 83, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 16px;
  border-bottom-left-radius: 4px;
  font-size: 13px;
  color: var(--fg);
}

.confirm-icon {
  font-size: 18px;
  margin-bottom: 6px;
}

.confirm-note {
  font-size: 11px;
  color: var(--fg-muted);
  margin-top: 4px;
  font-style: italic;
}

.chat-input-bar {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: #131210;
}

.chat-input-hint {
  font-size: 12px;
  color: var(--fg-subtle);
  font-style: italic;
}

/* Hero stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}

.stat { padding: 0 32px 0 0; }
.stat:first-child { padding-left: 0; }

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin-right: 32px;
}

/* ===========================
   PROBLEM
   =========================== */
.problem {
  padding: 120px var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem-label, .how-label, .features-label, .diff-label, .pricing-label, .pricing-note {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.problem-headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  max-width: 640px;
}

.problem-body {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 580px;
  margin-bottom: 60px;
}

.problem-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 48px;
}

.pstat {
  background: var(--bg);
  padding: 32px 28px;
}

.pstat-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.04em;
  margin-bottom: 6px;
}

.pstat-label {
  font-size: 13px;
  color: var(--fg-muted);
  line-height: 1.5;
}

.problem-closing {
  font-size: 20px;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent);
}

/* ===========================
   HOW
   =========================== */
.how {
  padding: 100px var(--gutter);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-label { max-width: var(--max-w); margin-left: auto; margin-right: auto; }

.how-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: var(--max-w);
  margin: 0 auto 64px;
}

.how-steps {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.how-step {
  background: var(--bg-secondary);
  padding: 40px 36px;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  color: var(--border-accent);
  margin-bottom: 20px;
  line-height: 1;
}

.step-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step-body {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===========================
   FEATURES
   =========================== */
.features {
  padding: 120px var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
}

.features-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 56px;
  max-width: 500px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: var(--bg);
  padding: 36px 32px;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  opacity: 0.7;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.feature-body {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===========================
   DIFFERENCE
   =========================== */
.difference {
  padding: 100px var(--gutter);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.diff-label { max-width: var(--max-w); margin: 0 auto 20px; }

.diff-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  max-width: var(--max-w);
  margin: 0 auto 48px;
}

.diff-table {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.diff-row {
  display: contents;
}

.diff-col {
  padding: 14px 24px;
  font-size: 14px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  color: var(--fg-muted);
}

.diff-col:last-child { border-right: none; }

.diff-col-left {
  color: var(--fg);
  font-weight: 500;
}

.diff-check::before { content: '✓'; color: var(--accent); font-weight: 600; }
.diff-cross::before { content: '—'; color: var(--fg-subtle); }
.diff-partial::before { content: '~'; color: var(--fg-muted); }

.diff-col.diff-highlight {
  background: var(--accent-dim);
  color: var(--fg);
}

.diff-col.diff-highlight.diff-check { color: #6fcf97; }
.diff-col.diff-highlight.diff-check::before { color: #6fcf97; }

.diff-header-row .diff-col {
  font-weight: 600;
  color: var(--fg);
  font-size: 13px;
  background: #1a1a1a;
  letter-spacing: 0.02em;
}

.diff-header-row .diff-col.diff-highlight {
  background: rgba(212, 168, 83, 0.08);
  color: var(--accent);
}

.diff-row:last-child .diff-col { border-bottom: none; }

/* ===========================
   PRICING
   =========================== */
.pricing {
  padding: 120px var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
}

.pricing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 16px;
  max-width: 560px;
}

.pricing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  margin-bottom: 48px;
}

.pricing-tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 32px;
}

.pricing-tier {
  background: var(--bg);
  padding: 36px 32px;
  position: relative;
}

.tier-featured {
  background: #141410;
  border: 1px solid var(--border-accent);
  box-shadow: 0 0 40px rgba(212, 168, 83, 0.06);
}

.tier-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0a0a0a;
  background: var(--accent);
  padding: 4px 10px;
  border-radius: 20px;
}

.tier-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 8px;
}

.tier-price {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}

.tier-currency {
  font-size: 28px;
  vertical-align: super;
}

.tier-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tier-features li {
  font-size: 14px;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
}

.tier-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.pricing-note {
  max-width: var(--max-w);
  text-align: center;
}

/* ===========================
   CLOSING
   =========================== */
.closing {
  padding: 120px var(--gutter);
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
  border-top: 1px solid var(--border);
}

.closing-ornament {
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 32px;
  opacity: 0.6;
}

.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.closing-body {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 560px;
  margin: 0 auto;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  padding: 48px var(--gutter);
  border-top: 1px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-logo {
  width: 24px; height: 24px;
  background: var(--accent);
  color: #0a0a0a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 5px;
}
.footer-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
}
.footer-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 900px) {
  .hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-chat { display: none; }
  .problem-stats { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .pricing-tiers { grid-template-columns: 1fr; }
  .diff-table { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .nav-tagline { display: none; }
  .hero-headline { font-size: 36px; }
  .stat-divider { display: none; }
  .stat { padding: 0 16px 0 0; }
}