/* ---------- Design tokens ---------- */
:root {
  --bg: #0a0d0b;
  --bg-alt: #0f1310;
  --surface: #141915;
  --surface-border: #232a24;
  --text: #f2f4ee;
  --text-dim: #a7b0a4;
  --accent: #c8ff4d;
  --accent-dim: #8fb536;
  --accent-2: #ff6b4a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --max-width: 1100px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ---------- Background texture ---------- */
.grid-backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(200, 255, 77, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 255, 77, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 0%, black 40%, transparent 100%);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 13, 11, 0.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  padding: 13px 28px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #0a0d0b;
}

.btn-primary:hover { background: #d8ff7a; }

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

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

.btn-small { padding: 9px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  z-index: 1;
  padding: 96px 0 88px;
}

.hero-inner { max-width: 780px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: rgba(200, 255, 77, 0.08);
  border: 1px solid rgba(200, 255, 77, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin: 0 0 28px;
}

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
}

h1 .accent { color: var(--accent); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 0 40px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-cta-note {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ---------- Sections ---------- */
.section {
  position: relative;
  z-index: 1;
  padding: 88px 0;
}

.section-alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--surface-border);
  border-bottom: 1px solid var(--surface-border);
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 12px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  letter-spacing: -0.01em;
  margin: 0 0 56px;
  max-width: 560px;
}

/* ---------- How it works ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.step-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 12px;
}

.step-card p {
  color: var(--text-dim);
  font-size: 0.96rem;
  margin: 0;
}

/* ---------- Benefits ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.benefit-card {
  padding: 8px 4px;
}

.benefit-icon {
  width: 30px;
  height: 30px;
  color: var(--accent);
  margin-bottom: 18px;
}

.benefit-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 10px;
}

.benefit-card p {
  color: var(--text-dim);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Waitlist ---------- */
.waitlist-section { padding: 100px 0 120px; }

.waitlist-wrap { max-width: 560px; }

.waitlist-sub {
  color: var(--text-dim);
  font-size: 1.05rem;
  margin: -36px 0 40px;
}

.waitlist-form {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row label {
  font-size: 0.88rem;
  color: var(--text-dim);
}

.optional-tag { color: #5c655a; }

.form-row input,
.form-row select {
  background: var(--bg);
  border: 1px solid var(--surface-border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 14px 16px;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s ease;
  appearance: none;
  -webkit-appearance: none;
}

.form-row select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%23a7b0a4' stroke-width='1.5' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.form-row input:focus,
.form-row select:focus {
  border-color: var(--accent-dim);
}

.form-status {
  margin: 0;
  font-size: 0.9rem;
  min-height: 1.2em;
}

.form-status.success { color: var(--accent); }
.form-status.error { color: var(--accent-2); }

.privacy-note {
  margin: 0;
  font-size: 0.8rem;
  color: #5c655a;
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--surface-border);
  padding: 32px 0;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-note {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.85rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .hero { padding: 64px 0 56px; }
  .section { padding: 64px 0; }
  .waitlist-section { padding: 72px 0 88px; }
  .steps { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .waitlist-form { padding: 26px; }
  .hero-cta { gap: 14px; }
}