/* === BASE === */
:root {
  --bg: #080808;
  --fg: #ffffff;
  --lime: #ccff00;
  --lime-dim: rgba(204, 255, 0, 0.15);
  --lime-mid: rgba(204, 255, 0, 0.4);
  --gray-1: #1a1a1a;
  --gray-2: #2a2a2a;
  --gray-3: #888888;
  --gray-4: #444444;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.5;
  overflow-x: hidden;
}

/* === NAV === */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  border-bottom: 1px solid var(--gray-2);
  backdrop-filter: blur(8px);
}
.nav-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.nav-tag {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-3);
}

/* === SECTION TAG === */
.section-tag {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--lime);
  border: 1px solid var(--lime-mid);
  padding: 4px 10px;
  margin-bottom: 28px;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 140px 40px 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(204,255,0,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204,255,0,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 20%, transparent 80%);
}
.hero-glow {
  position: absolute;
  top: 20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(204,255,0,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1100px;
}
.hero-label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--lime);
  padding: 6px 14px;
  margin-bottom: 40px;
  font-weight: 500;
}
.hero-headline {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(96px, 14vw, 200px);
  line-height: 0.88;
  letter-spacing: -0.01em;
  color: var(--fg);
  display: flex;
  flex-direction: column;
  margin-bottom: 36px;
}
.hero-headline .hero-line-2 { color: var(--lime); }
.hero-headline .hero-line-4 { color: var(--lime); }
.hero-sub {
  max-width: 520px;
  font-size: 18px;
  color: var(--gray-3);
  line-height: 1.6;
  margin-bottom: 56px;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  padding: 0 32px;
}
.hero-stat:first-child { padding-left: 0; }
.hero-stat-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 40px;
  color: var(--lime);
  line-height: 1;
}
.hero-stat-label {
  font-size: 11px;
  color: var(--gray-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}
.hero-stat-div {
  width: 1px;
  height: 40px;
  background: var(--gray-2);
}
.hero-eyebrow {
  position: absolute;
  bottom: 40px;
  right: 40px;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-3);
  writing-mode: vertical-rl;
}

/* === PROBLEM === */
.problem {
  padding: 120px 40px;
  position: relative;
}
.problem::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-2), transparent);
}
.problem-header {
  max-width: 700px;
  margin-bottom: 72px;
}
.problem-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
}
.problem-card {
  background: var(--gray-1);
  padding: 40px;
  position: relative;
  overflow: hidden;
}
.problem-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--lime);
  transition: height 0.4s ease;
}
.problem-card:hover::after { height: 100%; }
.problem-card--accent { background: var(--gray-2); }
.problem-card-icon {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 48px;
  color: var(--lime);
  opacity: 0.5;
  margin-bottom: 20px;
  line-height: 1;
}
.problem-card h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.problem-card p {
  color: var(--gray-3);
  font-size: 15px;
  line-height: 1.6;
}

/* === HOW === */
.how {
  padding: 120px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  position: relative;
}
.how::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-2), transparent);
}
.how-left { }
.how-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.how-body {
  color: var(--gray-3);
  font-size: 16px;
  line-height: 1.7;
  max-width: 420px;
  margin-bottom: 36px;
}
.how-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.how-tag-sep { color: var(--gray-3); }
.how-right {
  padding-top: 80px;
  position: relative;
}
.how-right::before {
  content: '';
  position: absolute;
  top: 80px;
  left: 0;
  width: 1px;
  height: calc(100% - 80px);
  background: linear-gradient(180deg, var(--lime-mid), transparent);
}
.timeline-item {
  display: flex;
  gap: 24px;
  margin-bottom: 40px;
  position: relative;
}
.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lime);
  flex-shrink: 0;
  margin-top: 4px;
  box-shadow: 0 0 12px var(--lime-mid);
  position: relative;
  z-index: 1;
}
.timeline-body h4 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 8px;
}
.timeline-body p {
  color: var(--gray-3);
  font-size: 14px;
  line-height: 1.6;
}

/* === FEATURES === */
.features {
  padding: 120px 40px;
  position: relative;
}
.features::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-2), transparent);
}
.features-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(48px, 5vw, 80px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 72px;
  max-width: 700px;
}
.features-title em {
  color: var(--lime);
  font-style: normal;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--gray-1);
  padding: 32px 28px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  transition: background 0.3s ease;
}
.feature-card:hover { background: var(--gray-2); }
.feature-card-art { margin-bottom: 28px; flex-grow: 1; display: flex; align-items: center; }
.feature-card h3 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature-card p {
  color: var(--gray-3);
  font-size: 13px;
  line-height: 1.5;
}

/* Signal bars */
.signal-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 60px;
}
.bar {
  width: 20px;
  background: var(--gray-3);
  height: calc(var(--h) * 1%);
  border-radius: 2px;
  opacity: 0.4;
}
.bar-active { background: var(--lime); opacity: 1; }

/* Countdown art */
.feature-art-countdown {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.countdown-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 72px;
  color: var(--lime);
  line-height: 1;
}
.countdown-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-3);
  line-height: 1.4;
}

/* Respond art */
.feature-art-respond {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--gray-2);
  border: 1px solid var(--lime-mid);
  padding: 12px 16px;
  border-radius: 4px;
  width: fit-content;
}
.respond-msg { font-size: 13px; color: var(--lime); }
.respond-time { font-size: 11px; color: var(--gray-3); }

/* Report art */
.feature-art-report {
  width: 100%;
}
.report-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-2);
}
.report-key { font-size: 12px; color: var(--gray-3); }
.report-val { font-family: 'Bebas Neue', sans-serif; font-size: 20px; color: var(--lime); }

/* === PLAYBOOK === */
.playbook {
  padding: 120px 40px;
  position: relative;
}
.playbook::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-2), transparent);
}
.playbook-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 600px;
  margin-bottom: 60px;
}
.playbook-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.playbook-brand {
  background: var(--gray-1);
  padding: 32px 24px;
  position: relative;
}
.playbook-brand--yours {
  background: var(--lime-dim);
  border: 1px solid var(--lime-mid);
}
.playbook-brand-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 28px;
  letter-spacing: 0.05em;
  color: var(--gray-3);
  margin-bottom: 12px;
}
.playbook-brand--yours .playbook-brand-name { color: var(--lime); }
.playbook-brand-desc {
  font-size: 13px;
  color: var(--gray-3);
  line-height: 1.5;
  margin-bottom: 20px;
}
.playbook-badge {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-3);
  border: 1px solid var(--gray-2);
  padding: 4px 10px;
}
.playbook-badge--active {
  background: var(--lime);
  color: var(--bg);
  border-color: var(--lime);
}

/* === CLOSING === */
.closing {
  padding: 160px 40px;
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime-mid), transparent);
}
.closing-inner { position: relative; z-index: 1; }
.closing-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-3);
  margin-bottom: 28px;
}
.closing-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(64px, 8vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}
.closing-body {
  max-width: 520px;
  color: var(--gray-3);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.closing-vibe {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  letter-spacing: 0.2em;
  color: var(--lime);
  display: flex;
  gap: 16px;
  align-items: center;
}
.closing-sep { color: var(--gray-3); }

/* === FOOTER === */
.footer {
  border-top: 1px solid var(--gray-2);
  padding: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.footer-tagline {
  font-size: 13px;
  color: var(--gray-3);
  margin-top: 2px;
}
.footer-bottom {
  font-size: 11px;
  color: var(--gray-3);
  letter-spacing: 0.05em;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 16px 20px; }
  .hero { padding: 120px 20px 80px; }
  .hero-headline { font-size: clamp(72px, 20vw, 120px); }
  .hero-sub { font-size: 16px; }
  .hero-stat-row { flex-wrap: wrap; gap: 16px; }
  .hero-stat-div { display: none; }
  .hero-eyebrow { display: none; }
  .problem { padding: 80px 20px; }
  .problem-grid { grid-template-columns: 1fr; }
  .how { grid-template-columns: 1fr; gap: 48px; padding: 80px 20px; }
  .how-right { padding-top: 0; }
  .how-right::before { display: none; }
  .features { padding: 80px 20px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .playbook { padding: 80px 20px; }
  .playbook-grid { grid-template-columns: 1fr 1fr; }
  .closing { padding: 100px 20px; }
  .footer { flex-direction: column; gap: 20px; text-align: center; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .playbook-grid { grid-template-columns: 1fr; }
}