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

:root {
  --bg: #080c14;
  --bg-card: #0d1520;
  --fg: #e8eaf0;
  --fg-muted: #7a8499;
  --accent: #c9ff3a;
  --accent-dim: rgba(201, 255, 58, 0.12);
  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(201,255,58,0.25);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
}

/* HERO */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 80px;
  overflow: hidden;
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(201,255,58,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,255,58,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,255,58,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-label {
  display: inline-block;
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 4px 10px;
  border-radius: 2px;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(52px, 6vw, 82px);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-headline .line {
  display: block;
}

.hero-headline .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 440px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

/* INBOX CARD */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.inbox-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  box-shadow: 0 0 80px rgba(0,0,0,0.6), 0 0 40px rgba(201,255,58,0.04);
}

.inbox-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: rgba(201,255,58,0.04);
  border-bottom: 1px solid var(--border);
}

.inbox-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.inbox-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  flex: 1;
}

.inbox-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

.email-chain {
  padding: 8px 0;
}

.email-row {
  display: grid;
  grid-template-columns: 20px 1fr 140px 60px;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
}

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

.email-icon {
  color: var(--fg-muted);
  font-size: 13px;
}

.email-row.sent .email-icon { color: #4a9eff; }
.email-row.reply .email-icon { color: var(--accent); }
.email-icon.spin { animation: spin 2s linear infinite; color: var(--accent); }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.email-to { color: var(--fg); }
.email-subject { color: var(--fg-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.email-status {
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 6px;
  border-radius: 2px;
  text-align: center;
}

.email-status.sent { background: rgba(74,158,255,0.12); color: #4a9eff; }
.email-status.reply { background: var(--accent-dim); color: var(--accent); }
.email-status.pending { background: rgba(201,255,58,0.06); color: var(--accent); animation: blink 1.5s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* PROOF SECTION */
.proof {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(201,255,58,0.02) 0%, transparent 100%);
}

.proof-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.quote-mark {
  font-size: 80px;
  line-height: 0.8;
  color: var(--accent);
  font-family: Georgia, serif;
  margin-bottom: 20px;
  opacity: 0.4;
}

.proof-quote blockquote {
  font-size: 19px;
  line-height: 1.55;
  color: var(--fg);
  font-weight: 500;
  margin-bottom: 16px;
}

.quote-context {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--fg-muted);
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  line-height: 1.6;
}

.proof-stat-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.proof-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.proof-stat.vs .proof-num { opacity: 0.35; }

.proof-num {
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}

.proof-stat:not(.vs) .proof-num { color: var(--accent); }

.proof-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.proof-source {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--fg-muted);
  opacity: 0.6;
  margin-top: 8px;
}

/* FEATURES */
.features {
  padding: 100px 0;
}

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 60px;
}

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

.feature-card {
  background: var(--bg);
  padding: 36px 32px;
  transition: background 0.2s;
}

.feature-card:hover {
  background: var(--bg-card);
}

.feature-card.highlight {
  background: var(--accent-dim);
  border: 1px solid var(--border-accent);
  position: relative;
}

.feature-card.highlight::before {
  content: 'MOST POPULAR';
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: 'DM Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--accent);
  opacity: 0.7;
}

.feature-icon {
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* HOW IT WORKS */
.how {
  padding: 80px 0 100px;
  background: linear-gradient(180deg, transparent, rgba(201,255,58,0.02), transparent);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-top: 0;
}

.step {
  flex: 1;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.step-num {
  font-family: 'DM Mono', monospace;
  font-size: 40px;
  font-weight: 500;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.step-content h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-content p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.step-arrow {
  display: flex;
  align-items: center;
  padding-top: 40px;
  flex-shrink: 0;
  opacity: 0.5;
}

/* CLOSER */
.closer {
  padding: 100px 0 120px;
}

.closer-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.closer-inner h2 {
  font-size: clamp(40px, 5vw, 60px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.closer-inner p {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.65;
  margin-bottom: 40px;
}

.cta-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  letter-spacing: 0.08em;
  opacity: 0.6;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.footer-tagline {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
}

.footer-copy {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
}

.footer-copy a {
  color: var(--fg-muted);
  text-decoration: none;
}

.footer-copy a:hover { color: var(--fg); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero {
    min-height: auto;
    padding: 80px 0 60px;
  }
  .proof-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps {
    flex-direction: column;
    gap: 16px;
  }
  .step-arrow {
    display: none;
  }
  .email-chain { display: none; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .stat-divider { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer .container { flex-direction: column; gap: 20px; text-align: center; }
}