:root {
  --ink: #12161F;
  --panel: #1A202C;
  --line: #2C3648;
  --mint: #5FD9A4;
  --mintdim: #2E5C48;
  --coral: #E8604C;
  --amber: #E8B84C;
  --cream: #F7F5F1;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0;
}

p { line-height: 1.65; margin: 0; }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--mintdim);
  margin: 0 0 12px;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 26px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s ease, background 0.15s ease;
}
.btn-primary { background: var(--mintdim); color: white; }
.btn-primary:hover { opacity: 0.9; }
.btn-secondary { background: transparent; color: var(--ink); border: 1px solid rgba(0,0,0,0.15); }
.btn-secondary:hover { background: rgba(0,0,0,0.04); }
.btn-small { padding: 9px 18px; font-size: 0.85rem; }
.btn-full { width: 100%; padding: 14px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 245, 241, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-amp { color: var(--mintdim); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.header-nav a:not(.btn) {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(18,22,31,0.65);
}
.header-nav a:not(.btn):hover { color: var(--ink); }

/* Hero */
.hero { padding: 64px 0 48px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
.hero-copy h1 { font-size: clamp(2.1rem, 4vw, 3.15rem); margin-bottom: 22px; }
.lede { font-size: 1.1rem; color: rgba(18,22,31,0.7); max-width: 46ch; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.hero-note { font-size: 0.85rem; color: rgba(18,22,31,0.5); }
.hero-art svg { width: 100%; height: auto; display: block; }

/* Strip */
.strip { background: var(--ink); color: var(--cream); padding: 22px 0; }
.strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  font-size: 0.9rem;
  color: rgba(247,245,241,0.75);
}
.strip-item strong { color: var(--mint); font-weight: 700; }
.strip-item { text-align: center; }

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: white; border-top: 1px solid rgba(0,0,0,0.08); border-bottom: 1px solid rgba(0,0,0,0.08); }
.section h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin-bottom: 14px; }
.section-sub { color: rgba(18,22,31,0.6); max-width: 60ch; margin-bottom: 36px; }

/* Concept */
.concept-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
}
.concept-body p { color: rgba(18,22,31,0.7); margin-bottom: 18px; max-width: 62ch; }
.concept-body p:last-child { margin-bottom: 0; }

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 36px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--ink);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: rgba(18,22,31,0.6); }

/* Plans */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.plan-card {
  background: white;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 20px;
  padding: 28px;
  position: relative;
}
.plan-card-featured { border-color: var(--mintdim); box-shadow: 0 0 0 1px var(--mintdim); }
.plan-tag {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--mintdim);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
}
.plan-name { font-weight: 700; font-size: 1.1rem; margin-bottom: 6px; }
.plan-price { font-family: var(--font-mono); font-weight: 700; font-size: 1.6rem; margin-bottom: 16px; }
.plan-price span { font-family: var(--font-sans); font-size: 0.85rem; font-weight: 500; color: rgba(18,22,31,0.4); }
.plan-details { list-style: none; margin: 0 0 16px; padding: 0; font-size: 0.9rem; color: rgba(18,22,31,0.65); display: flex; flex-direction: column; gap: 6px; }
.plan-blurb { font-size: 0.8rem; color: rgba(18,22,31,0.5); line-height: 1.5; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 720px; }
.faq-item {
  background: var(--cream);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  padding: 18px 22px;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  color: rgba(18,22,31,0.4);
  transition: transform 0.15s ease;
  margin-left: 12px;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { margin-top: 12px; font-size: 0.9rem; color: rgba(18,22,31,0.65); }

/* Join / form */
.join-section { padding-top: 72px; }
.join-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.join-points { list-style: none; margin: 24px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.join-points li { font-size: 0.9rem; color: rgba(18,22,31,0.65); padding-left: 22px; position: relative; }
.join-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
}

.card {
  background: white;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(18,22,31,0.8);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  color: var(--ink);
  background: white;
}
.field input:focus {
  outline: none;
  border-color: var(--mintdim);
  box-shadow: 0 0 0 3px rgba(46,92,72,0.15);
}
.form-error {
  color: var(--coral);
  font-size: 0.85rem;
  margin: -6px 0 14px;
}
.form-fineprint {
  font-size: 0.75rem;
  color: rgba(18,22,31,0.45);
  margin-top: 12px;
  text-align: center;
}

.success-card { text-align: center; padding: 48px 30px; }
.success-mark {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--mint);
  color: var(--ink);
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.success-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.success-card p { color: rgba(18,22,31,0.6); font-size: 0.9rem; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(247,245,241,0.7); margin-top: 40px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding: 56px 0 40px;
}
.footer-brand .brand { color: white; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 0.9rem; max-width: 34ch; }
.footer-links h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(247,245,241,0.4);
  margin: 0 0 16px;
  font-weight: 700;
}
.footer-links { display: flex; flex-direction: column; }
.footer-links a { display: block; font-size: 0.9rem; margin-bottom: 10px; }
.footer-links a:hover { color: white; }
.footer-bottom { border-top: 1px solid rgba(247,245,241,0.1); }
.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 0.78rem;
  color: rgba(247,245,241,0.4);
}

/* Responsive */
@media (max-width: 860px) {
  .hero-grid, .concept-grid, .join-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 280px; margin: 0 auto; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr; }
  .strip-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-inner { grid-template-columns: 1fr; }
  .header-nav { gap: 16px; }
  .header-nav a:not(.btn) { display: none; }
}