:root {
  --color-bg: oklch(97% 0.015 80);
  --color-surface: oklch(99% 0.005 80);
  --color-ink: oklch(22% 0.03 30);
  --color-ink-soft: oklch(40% 0.02 30);
  --color-accent: oklch(38% 0.11 20);
  --color-accent-soft: oklch(90% 0.05 30);
  --color-line: oklch(88% 0.02 60);
  --color-gold: oklch(72% 0.12 80);

  --font-display: "Fraunces", "Iowan Old Style", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --text-hero: clamp(2.6rem, 1.6rem + 4.2vw, 4.6rem);
  --text-h2: clamp(1.7rem, 1.3rem + 1.6vw, 2.6rem);
  --text-body: clamp(1rem, 0.94rem + 0.25vw, 1.1rem);

  --space-section: clamp(3.5rem, 2.5rem + 4vw, 7rem);
  --radius-card: 18px;
  --duration-normal: 240ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.wrap {
  max-width: 1080px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklch, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

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

.site-header nav {
  display: flex;
  gap: clamp(1rem, 2vw, 2rem);
  font-size: 0.95rem;
}

.site-header nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
  transition: color var(--duration-normal) var(--ease-out-expo);
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--color-accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo),
    background var(--duration-normal) var(--ease-out-expo);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-surface);
  box-shadow: 0 8px 20px -8px color-mix(in oklch, var(--color-accent) 60%, transparent);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -10px color-mix(in oklch, var(--color-accent) 65%, transparent);
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- Hero ---------- */

.hero {
  padding-block: clamp(3rem, 4vw, 5.5rem) var(--space-section);
  position: relative;
  overflow: clip;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto auto;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--color-accent-soft), transparent 70%);
  opacity: 0.6;
  z-index: -1;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 1.4rem;
  max-width: 15ch;
}

.hero h1 em {
  font-style: italic;
  color: var(--color-accent);
}

.hero p.lede {
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.25rem);
  color: var(--color-ink-soft);
  max-width: 46ch;
  margin: 0 0 2.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-top: 1.75rem;
  border-top: 1px solid var(--color-line);
}

.hero-proof div strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-accent);
}

.hero-proof div span {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

/* ---------- Sections ---------- */

section {
  padding-block: var(--space-section);
}

section.alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-line);
}

.section-head {
  max-width: 56ch;
  margin-bottom: clamp(2rem, 3vw, 3rem);
}

.section-head .eyebrow {
  margin-bottom: 1rem;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  letter-spacing: -0.015em;
  margin: 0 0 0.75rem;
}

.section-head p {
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- Screens showcase ---------- */

.screens {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 860px) {
  .screens {
    grid-template-columns: 1fr;
  }
}

.screen-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  position: relative;
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo);
}

.screen-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -20px color-mix(in oklch, var(--color-ink) 25%, transparent);
}

.screen-card .num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--color-accent-soft);
  -webkit-text-stroke: 1px var(--color-accent);
  color: transparent;
  line-height: 1;
  margin-bottom: 0.75rem;
}

.screen-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 0.5rem;
}

.screen-card p {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- Pricing ---------- */

.pricing-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.85fr 0.85fr;
  gap: 1.25rem;
  align-items: stretch;
}

@media (max-width: 860px) {
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

.price-card {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.price-card.core {
  background: var(--color-accent);
  color: var(--color-surface);
  border-color: var(--color-accent);
}

.price-card.core .price-card-label,
.price-card.core p {
  color: color-mix(in oklch, var(--color-surface) 82%, transparent);
}

.price-card-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-bottom: 0.5rem;
}

.price-card .amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  margin: 0 0 0.25rem;
}

.price-card ul {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  font-size: 0.92rem;
}

.price-card li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
}

.price-card li::before {
  content: "✓";
  font-weight: 700;
  color: var(--color-gold);
  flex-shrink: 0;
}

.price-card.core li::before {
  color: var(--color-gold);
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  gap: 1.25rem;
}

.step {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--color-line);
}

.step:last-child {
  border-bottom: none;
}

.step .idx {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-accent);
}

.step h4 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

/* ---------- CTA ---------- */

.cta {
  text-align: center;
  background: linear-gradient(180deg, var(--color-accent-soft), transparent);
  border-radius: 24px;
  padding: clamp(2.5rem, 5vw, 4.5rem);
}

.cta h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  margin: 0 0 1rem;
}

.cta p {
  color: var(--color-ink-soft);
  max-width: 46ch;
  margin: 0 auto 2rem;
}

.cta .hero-actions {
  justify-content: center;
  margin-bottom: 0;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: 2.5rem;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.pay-box {
  background: var(--color-surface);
  border: 1px dashed var(--color-line);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 0.8rem;
  word-break: break-all;
  color: var(--color-ink-soft);
  margin-top: 1rem;
}