:root {
  --bg: #060b18;
  --bg-surface: #0d1528;
  --bg-card: #111d35;
  --fg: #e2e6ef;
  --fg-muted: #8892a8;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --purple: #7c5cfc;
  --purple-dim: rgba(124, 92, 252, 0.1);
  --red-muted: #ff6b6b;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1120px;
  --gutter: 24px;
}

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

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px var(--gutter) 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,229,160,0.2);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 6.5vw, 5.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 0.82rem;
  color: var(--fg-muted);
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.08);
}

.hero-glow {
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(0,229,160,0.08) 0%, rgba(124,92,252,0.04) 50%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ========== PROBLEM ========== */
.problem {
  padding: 100px var(--gutter);
  background: var(--bg-surface);
}

.problem-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 16px;
  padding: 36px 28px;
}

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
  opacity: 0.7;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--fg);
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ========== FEATURES ========== */
.features {
  padding: 100px var(--gutter);
}

.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.features h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}

.feature-rows {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.feature-row:last-child {
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.feature-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3.5rem;
  color: rgba(0,229,160,0.15);
  line-height: 1;
  min-width: 80px;
  letter-spacing: -0.03em;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.feature-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 600px;
}

/* ========== SHIFT ========== */
.shift {
  padding: 100px var(--gutter);
  background: var(--bg-surface);
}

.shift-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.shift h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.shift-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.shift-col {
  border-radius: 16px;
  padding: 36px 32px;
}

.shift-col.old {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
}

.shift-col.new {
  background: linear-gradient(135deg, rgba(0,229,160,0.08), rgba(124,92,252,0.06));
  border: 1px solid rgba(0,229,160,0.15);
}

.shift-col-header {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.shift-col.old .shift-col-header { color: var(--fg-muted); }
.shift-col.new .shift-col-header { color: var(--accent); }

.shift-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.shift-col ul li {
  font-size: 0.92rem;
  color: var(--fg-muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.shift-col.old ul li::before {
  content: '\2013';
  position: absolute;
  left: 0;
  color: rgba(255,107,107,0.5);
}

.shift-col.new ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ========== CLOSING ========== */
.closing {
  padding: 120px var(--gutter);
  text-align: center;
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.5vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ========== FOOTER ========== */
.site-footer {
  padding: 48px var(--gutter);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ========== WAITLIST FORM ========== */
.waitlist-form {
  margin-bottom: 48px;
}

.waitlist-row {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin-bottom: 12px;
}

.waitlist-form input[type="email"] {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 14px 18px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--fg);
  outline: none;
  transition: border-color 0.2s;
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--accent);
}

.waitlist-form input[type="email"]::placeholder {
  color: var(--fg-muted);
}

.waitlist-form button {
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: 10px;
  padding: 14px 24px;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s, transform 0.1s;
}

.waitlist-form button:hover { opacity: 0.9; }
.waitlist-form button:active { transform: scale(0.98); }
.waitlist-form button:disabled { opacity: 0.6; cursor: not-allowed; }

.waitlist-msg {
  font-size: 0.88rem;
  min-height: 1.2em;
  margin-bottom: 4px;
}

.waitlist-msg.ok { color: var(--accent); }
.waitlist-msg.err { color: var(--red-muted); }

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

.waitlist-form--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 32px;
}

.waitlist-form--center .waitlist-row {
  max-width: 480px;
  width: 100%;
}

/* ========== HERO ADDITIONS ========== */
.hero-stats {
  margin-top: 32px;
  margin-bottom: 28px;
}

.app-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding-bottom: 2px;
  transition: color 0.2s;
}

.app-link:hover { color: var(--accent); border-color: var(--accent); }

/* ========== COMING SOON BADGE ========== */
.coming-soon {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--purple);
  background: var(--purple-dim);
  border: 1px solid rgba(124,92,252,0.2);
  padding: 3px 8px;
  border-radius: 100px;
  margin-left: 8px;
  vertical-align: middle;
}

/* ========== PRIMARY BUTTON ========== */
.btn-primary {
  display: inline-block;
  background: transparent;
  color: var(--fg);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 14px 28px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.btn-primary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ========== FOOTER NAV ========== */
.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover { color: var(--accent); }

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 100px var(--gutter) 60px; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-row { flex-direction: column; gap: 12px; }
  .feature-number { font-size: 2.5rem; min-width: auto; }
  .shift-comparison { grid-template-columns: 1fr; }
  .hero-glow { width: 400px; height: 400px; top: -10%; right: -20%; }
  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }
  .footer-nav { justify-content: center; flex-wrap: wrap; gap: 16px; }
  .waitlist-row { flex-direction: column; }
  .waitlist-form--center .waitlist-row { flex-direction: column; }
}