:root {
  --bg: #0a0b10;
  --surface: #15171f;
  --surface-2: #1c1f29;
  --border: #252830;
  --border-strong: #353945;
  --text: #f4f5f7;
  --text-2: #a3a6b0;
  --text-3: #6a6e78;
  --accent: #facc15;
  --accent-hi: #fde047;
  --accent-lo: #a16207;
  --black: #0a0a0a;
  --shadow-accent: 0 8px 32px -8px rgba(250, 204, 21, 0.35);
  --maxw: 1120px;
  --pad: clamp(20px, 4vw, 40px);
  --radius: 14px;
  --radius-lg: 20px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(250, 204, 21, 0.12), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(250, 204, 21, 0.05), transparent 70%);
}

main, .nav, .footer {
  position: relative;
  z-index: 1;
}

h1, h2, h3 {
  font-family: "Space Grotesk", "Inter", system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
}

h1 {
  font-size: clamp(40px, 7vw, 80px);
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
}

h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

p {
  margin: 0;
  color: var(--text-2);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  padding: 4px 10px;
  border: 1px solid rgba(250, 204, 21, 0.25);
  border-radius: 999px;
  background: rgba(250, 204, 21, 0.05);
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 24px var(--pad);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text);
}

.bolt-icon {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 160ms ease;
}

.nav-link:hover {
  color: var(--text);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 10px;
  background: rgba(250, 204, 21, 0.08);
  color: var(--accent);
  border: 1px solid rgba(250, 204, 21, 0.2);
  transition: all 160ms ease;
}

.nav-cta:hover {
  background: rgba(250, 204, 21, 0.15);
  border-color: rgba(250, 204, 21, 0.35);
}

.nav-cta svg {
  width: 14px;
  height: 14px;
}

@media (max-width: 720px) {
  .nav-link {
    display: none;
  }
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 180ms ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
  box-shadow: var(--shadow-accent);
}

.btn-primary:hover {
  background: var(--accent-hi);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--surface);
  border-color: var(--text-3);
}

/* HERO */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 8vh, 80px) var(--pad) clamp(60px, 10vh, 100px);
  text-align: left;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 28px;
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.6);
  animation: pulse 2.2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0.5); }
  70% { box-shadow: 0 0 0 10px rgba(250, 204, 21, 0); }
  100% { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0); }
}

.hero-title {
  margin-bottom: 24px;
  max-width: 14ch;
}

.hero-sub {
  max-width: 56ch;
  font-size: clamp(16px, 1.8vw, 19px);
  color: var(--text-2);
  margin-bottom: 36px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-meta {
  font-size: 13px;
  color: var(--text-3);
}

.hero-meta strong {
  color: var(--text-2);
  font-weight: 600;
}

/* SECTION COMMON */
section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 8vh, 80px) var(--pad);
}

/* TRUST */
.trust {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(to bottom, rgba(255,255,255,0.015), transparent);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}

.trust-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.trust-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: rgba(250, 204, 21, 0.08);
  border: 1px solid rgba(250, 204, 21, 0.2);
  border-radius: 10px;
  color: var(--accent);
}

.trust-icon svg {
  width: 18px;
  height: 18px;
}

.trust-item h3 {
  margin-bottom: 4px;
  font-family: "Inter", sans-serif;
  font-size: 15px;
  font-weight: 600;
}

.trust-item p {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.5;
}

/* HOW */
.how-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.step {
  position: relative;
  padding: 28px 24px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 200ms ease, transform 200ms ease;
}

.step:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.step-num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.step h3 {
  margin-bottom: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 20px;
}

.step p {
  font-size: 14.5px;
  line-height: 1.55;
}

/* SETS */
.sets {
  text-align: left;
}

.sets-sub {
  max-width: 56ch;
  margin-bottom: 28px;
  font-size: 16px;
}

.set-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.set-list li {
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: all 200ms ease;
}

.set-list li:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(250, 204, 21, 0.05);
}

.sets-foot {
  font-size: 14px;
  color: var(--text-3);
  font-style: italic;
}

/* SIGNUP */
.signup {
  padding-top: clamp(64px, 10vh, 100px);
  padding-bottom: clamp(64px, 10vh, 100px);
}

.signup-inner {
  background: linear-gradient(135deg, rgba(250, 204, 21, 0.06), rgba(250, 204, 21, 0.02));
  border: 1px solid rgba(250, 204, 21, 0.15);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 56px);
  position: relative;
  overflow: hidden;
}

.signup-inner::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(250, 204, 21, 0.1), transparent 70%);
  pointer-events: none;
}

.signup-inner > * {
  position: relative;
}

.signup p {
  max-width: 56ch;
  margin-bottom: 28px;
  font-size: 16px;
}

.signup-form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  flex-wrap: wrap;
}

.signup-form input[type="email"] {
  flex: 1;
  min-width: 200px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color 180ms ease;
}

.signup-form input[type="email"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.15);
}

.signup-form input[type="email"]::placeholder {
  color: var(--text-3);
}

.form-status {
  margin-top: 16px;
  font-size: 14px;
  color: var(--accent);
  min-height: 1em;
}

.form-status.error {
  color: #f87171;
}

.form-note {
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-3);
}

.form-note a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(250, 204, 21, 0.4);
  text-underline-offset: 3px;
}

.form-note a:hover {
  text-decoration-color: var(--accent);
}

/* SCHEDULE */
.schedule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 32px;
  margin-bottom: 20px;
}

.schedule-item {
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 200ms ease;
}

.schedule-item:hover {
  border-color: var(--border-strong);
}

.schedule-day {
  font-family: "Space Grotesk", sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.schedule-time {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 12px;
}

.schedule-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 3px 8px;
  background: rgba(250, 204, 21, 0.08);
  border: 1px solid rgba(250, 204, 21, 0.2);
  border-radius: 6px;
}

.schedule-foot {
  font-size: 14px;
  color: var(--text-3);
  margin-top: 16px;
}

/* FOOTER */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px var(--pad);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-2);
  transition: color 160ms ease;
}

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

.footer-meta {
  font-size: 12px;
  color: var(--text-3);
  max-width: 60ch;
}

@media (min-width: 768px) {
  .footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}

/* SCROLL REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}
