/* ============================================
   AI Spice Blends — design tokens
   ============================================ */
:root {
  --color-ink: #0A0A0B;
  --color-ink-soft: #18181B;
  --color-paper: #FAFAFA;
  --color-white: #FFFFFF;
  --color-gray-100: #F4F4F5;
  --color-gray-200: #E4E4E7;
  --color-gray-400: #A1A1AA;
  --color-gray-600: #52525B;
  --color-gray-800: #27272A;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --maxw: 1120px;
  --maxw-narrow: 680px;

  --radius-sm: 3px;
  --radius-md: 8px;

  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;

  --header-h: 60px;
  --sticky-cta-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.5;
  padding-bottom: var(--sticky-cta-h);
}

h1, h2, h3 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; margin: 0 0 var(--space-3); }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); }
h3 { font-size: 1.05rem; }
p { margin: 0 0 var(--space-4); max-width: 62ch; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--space-4); }
.wrap-narrow { max-width: var(--maxw-narrow); }

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

.skip-link {
  position: absolute; top: -100%; left: var(--space-4);
  background: var(--color-ink); color: var(--color-paper);
  padding: var(--space-3) var(--space-4); z-index: 200;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-weight: 600; text-decoration: none;
  transition: top .15s ease;
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}
.hero :focus-visible,
.trust-strip :focus-visible {
  outline-color: var(--color-paper);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 0.85rem 1.4rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-ink);
  text-decoration: none;
  min-height: 44px;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary { background: var(--color-ink); color: var(--color-paper); }
.btn-primary:hover { background: var(--color-ink-soft); }
.btn-ghost { background: transparent; color: var(--color-ink); }
.btn-ghost:hover { background: var(--color-gray-100); }
.btn-sm { padding: 0.6rem 1rem; font-size: 0.85rem; min-height: 40px; }
.btn-block { width: 100%; }

/* on dark sections */
.hero .btn-primary { background: var(--color-paper); color: var(--color-ink); border-color: var(--color-paper); }
.hero .btn-primary:hover { background: var(--color-gray-200); }
.hero .btn-ghost { color: var(--color-paper); border-color: var(--color-paper); }
.hero .btn-ghost:hover { background: rgba(250,250,250,0.1); }

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250,250,250,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--color-gray-200);
  height: var(--header-h);
  display: flex; align-items: center;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }

.logo { display: flex; align-items: center; gap: var(--space-2); text-decoration: none; color: var(--color-ink); }
.logo-mark { color: var(--color-ink); flex-shrink: 0; }
.logo-word { font-family: var(--font-display); font-weight: 600; font-size: 1rem; }

.nav-toggle { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; }

.site-nav {
  position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--color-paper);
  display: flex; flex-direction: column; gap: var(--space-1);
  padding: var(--space-6) var(--space-4);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
  z-index: 90;
}
.site-nav.is-open { opacity: 1; transform: translateY(0); visibility: visible; }
.site-nav a {
  text-decoration: none; padding: var(--space-3) var(--space-2);
  font-weight: 500; border-bottom: 1px solid var(--color-gray-200);
}
.site-nav .btn { margin-top: var(--space-4); align-self: flex-start; border-bottom: none; }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static; flex-direction: row; align-items: center; gap: var(--space-6);
    padding: 0; transform: none; opacity: 1; visibility: visible; background: transparent;
  }
  .site-nav a { padding: 0; border-bottom: none; font-size: 0.92rem; }
  .site-nav .btn { margin-top: 0; }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: flex-end;
  color: var(--color-paper);
  background: var(--color-ink);
  overflow: hidden;
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(10,10,11,0.35) 0%, rgba(10,10,11,0.55) 55%, rgba(10,10,11,0.92) 100%);
}
.hero-inner { position: relative; z-index: 2; padding-bottom: var(--space-16); padding-top: var(--space-24); }
.hero-mark { color: var(--color-paper); margin-bottom: var(--space-4); opacity: 0.9; }
.hero-title { color: var(--color-paper); }
.hero-sub { color: var(--color-gray-200); max-width: 48ch; font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }

@media (min-width: 860px) {
  .hero-inner { padding-top: var(--space-24); padding-bottom: var(--space-24); }
}

/* ============================================
   Trust strip
   ============================================ */
.trust-strip {
  background: var(--color-ink-soft);
  color: var(--color-paper);
  padding: var(--space-12) 0;
}
.trust-list {
  display: flex; flex-direction: column; gap: var(--space-4);
  margin-bottom: var(--space-8);
}
.trust-list li { display: flex; align-items: flex-start; gap: var(--space-3); }
.trust-list svg { flex-shrink: 0; margin-top: 2px; color: var(--color-paper); }
.trust-list span { font-weight: 500; }

.model-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--color-gray-400);
  max-width: 68ch;
  border-top: 1px solid var(--color-gray-800);
  padding-top: var(--space-6);
  margin-bottom: 0;
}
.model-disclaimer strong { color: var(--color-paper); }

@media (min-width: 860px) {
  .trust-list { flex-direction: row; justify-content: space-between; }
  .trust-list li { flex: 1; }
}

/* ============================================
   Shop
   ============================================ */
.shop { padding: var(--space-24) 0; }
.section-lede { color: var(--color-gray-600); max-width: 56ch; }

.product-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--space-6);
  margin-top: var(--space-8);
}
@media (min-width: 640px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}

.product-card {
  border: 1px solid var(--color-gray-200);
  padding: var(--space-6);
  display: flex; flex-direction: column;
}
.product-visual { position: relative; width: 100px; margin-bottom: var(--space-4); color: var(--color-ink); }
.jar-mark { position: absolute; top: 26px; left: 40px; color: var(--color-ink); }
.product-card h3 { margin-bottom: var(--space-2); }
.product-desc { font-size: 0.95rem; }
.product-meta {
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-gray-600);
  border-top: 1px solid var(--color-gray-200); padding-top: var(--space-3);
}
.product-story { font-size: 0.85rem; color: var(--color-gray-600); font-style: italic; }
.product-footer {
  margin-top: auto; padding-top: var(--space-4);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
}
.product-price { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.product-weight { font-family: var(--font-mono); font-weight: 400; font-size: 0.75rem; color: var(--color-gray-600); }

.checkout-status {
  margin-top: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-gray-600);
  min-height: 1.2em;
}

/* ============================================
   Process
   ============================================ */
.process { background: var(--color-gray-100); padding: var(--space-24) 0; }
.process-list { display: flex; flex-direction: column; gap: var(--space-6); margin-top: var(--space-8); }
.process-list li { display: flex; gap: var(--space-4); align-items: flex-start; }
.process-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--color-ink);
  border-radius: 50%;
  font-family: var(--font-mono); font-weight: 500; font-size: 0.9rem;
}
.process-list h3 { margin-bottom: var(--space-1); }
.process-list p { margin-bottom: 0; font-size: 0.95rem; color: var(--color-gray-600); }

@media (min-width: 860px) {
  .process-list { flex-direction: row; }
  .process-list li { flex-direction: column; flex: 1; gap: var(--space-3); }
}

/* ============================================
   Demo section
   ============================================ */
.demo { padding: var(--space-24) 0; background: var(--color-ink); color: var(--color-paper); }
.demo-inner p { color: var(--color-gray-400); }
.demo .btn-primary { background: var(--color-paper); color: var(--color-ink); border-color: var(--color-paper); }
.demo .btn-primary:hover { background: var(--color-gray-200); }

/* ============================================
   Sticky mobile CTA
   ============================================ */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  background: var(--color-paper);
  border-top: 1px solid var(--color-gray-200);
  padding: var(--space-2) var(--space-4);
  padding-bottom: max(var(--space-2), env(safe-area-inset-bottom));
}
@media (min-width: 860px) {
  .sticky-cta { display: none; }
  body { padding-bottom: 0; }
}

/* ============================================
   Modal
   ============================================ */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(10,10,11,0.85);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--color-ink);
  width: 100%; max-width: 860px;
  max-height: 90vh; overflow-y: auto;
}
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4);
  color: var(--color-paper);
}
.modal-head h2 { font-size: 1rem; margin: 0; }
.modal-close { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: var(--color-paper); }
.modal-close:hover { background: var(--color-ink-soft); }

/* ============================================
   Footer
   ============================================ */
.site-footer { background: var(--color-ink); color: var(--color-gray-400); padding: var(--space-16) 0 var(--space-24); }
.footer-inner { display: flex; flex-direction: column; gap: var(--space-6); }
.logo-footer { color: var(--color-paper); }
.logo-footer .logo-mark { color: var(--color-paper); }
.footer-nav { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.footer-nav a { text-decoration: none; font-size: 0.9rem; }
.footer-nav a:hover { color: var(--color-paper); }
.footer-disclaimer { font-family: var(--font-mono); font-size: 0.78rem; max-width: 60ch; }
.footer-copy { font-size: 0.8rem; margin: 0; }

@media (min-width: 860px) {
  .footer-inner { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: space-between; }
  .footer-disclaimer { width: 100%; order: 3; }
}

/* ============================================
   Legal pages
   ============================================ */
.legal { padding: var(--space-16) 0 var(--space-24); }
.legal-stub-note {
  font-family: var(--font-mono); font-size: 0.8rem;
  color: var(--color-gray-600);
  border: 1px dashed var(--color-gray-400);
  padding: var(--space-3);
  display: inline-block;
}
.legal h2 { margin-top: var(--space-8); font-size: 1.2rem; }