/* Prompt Deck Studio - Static MVP Website */

:root {
  --bg: #f8f5ee;
  --surface: #fffdf8;
  --surface-2: #f0eadf;
  --text: #191714;
  --muted: #5f5a50;
  --border: #d8cfc0;
  --accent: #2b4c3f;
  --accent-2: #b0743f;
  --shadow: 0 16px 40px rgba(25, 23, 20, 0.08);
  --radius: 22px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
}

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(248, 245, 238, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(216, 207, 192, 0.7);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--accent);
  color: #fffdf8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(43, 76, 63, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
}

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

.button,
button.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fffdf8;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(43, 76, 63, 0.18);
}

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.button.secondary:hover {
  background: rgba(43, 76, 63, 0.07);
  box-shadow: none;
}

.hero {
  padding: 82px 0 64px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 54px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-weight: 750;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 0.95;
  letter-spacing: -0.075em;
  margin: 0 0 22px;
}

h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin: 0 0 18px;
}

h3 {
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin: 0 0 8px;
}

.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 650px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.note {
  color: var(--muted);
  font-size: 14px;
  margin-top: 14px;
}

.card-preview {
  position: relative;
  min-height: 430px;
}

.deck-card {
  position: absolute;
  width: 260px;
  min-height: 355px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.deck-card:nth-child(1) {
  top: 10px;
  left: 36px;
  transform: rotate(-8deg);
}

.deck-card:nth-child(2) {
  top: 52px;
  left: 112px;
  transform: rotate(5deg);
}

.deck-card:nth-child(3) {
  top: 118px;
  left: 8px;
  transform: rotate(-2deg);
}

.card-category {
  display: inline-flex;
  border: 1px solid rgba(43, 76, 63, 0.18);
  color: var(--accent);
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

.card-title {
  font-size: 27px;
  line-height: 1;
  font-weight: 850;
  letter-spacing: -0.06em;
  margin-bottom: 14px;
}

.card-text {
  color: var(--muted);
  font-size: 15px;
}

.card-seed {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text);
}

.section {
  padding: 72px 0;
}

.section.tight {
  padding: 44px 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: 34px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 10px 28px rgba(25, 23, 20, 0.045);
}

.panel p {
  color: var(--muted);
  margin: 0;
}

.kicker {
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: start;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--accent);
  color: #fffdf8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.product-card {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 28px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}

.price {
  font-size: 48px;
  line-height: 1;
  font-weight: 850;
  letter-spacing: -0.06em;
  margin: 12px 0 18px;
}

.list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 11px;
}

.list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
}

.list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 900;
  flex: 0 0 auto;
}

.prompt-box {
  background: #191714;
  color: #fffdf8;
  border-radius: 20px;
  padding: 22px;
  font-size: 15px;
  overflow-wrap: anywhere;
}

.prompt-box span {
  color: #d9b88f;
}

.policy {
  max-width: 850px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 36px;
  margin: 36px 0 70px;
}

.policy h1 {
  font-size: clamp(34px, 6vw, 58px);
}

.policy h2 {
  font-size: 25px;
  margin-top: 36px;
}

.policy p,
.policy li {
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 34px 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer a {
  text-decoration: none;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.notice {
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 14px 16px;
  border-radius: 16px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 54px;
  }

  .hero-grid,
  .grid-2,
  .grid-3,
  .product-card {
    grid-template-columns: 1fr;
  }

  .card-preview {
    min-height: 390px;
    margin-top: 20px;
  }

  .deck-card {
    width: 230px;
    min-height: 320px;
  }

  .deck-card:nth-child(1) {
    left: 20px;
  }

  .deck-card:nth-child(2) {
    left: 96px;
  }

  .deck-card:nth-child(3) {
    left: 0;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 24px, var(--max));
  }

  .nav-links {
    gap: 12px;
    font-size: 13px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .card-preview {
    min-height: 340px;
  }

  .deck-card {
    width: 205px;
    min-height: 295px;
    padding: 20px;
  }

  .deck-card:nth-child(1) {
    left: 10px;
  }

  .deck-card:nth-child(2) {
    left: 74px;
  }

  .deck-card:nth-child(3) {
    left: 0;
    top: 104px;
  }

  .policy {
    padding: 24px;
  }
}