/* ============================================================
   PantryAtlas marketing — "Gemini in the kitchen"
   Cool Gemini gradient as the intelligence layer over a
   Material-3 neutral surface. Gradients use the design.google
   technique: a near-opaque leading edge that diffuses to a
   transparent tail. Self-hosted DM Sans (no CDN). See
   web/marketing/DESIGN.md for the full brief.
   ============================================================ */

/* ---------- Self-hosted DM Sans (variable, weight via axis) ---------- */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("/assets/fonts/dm-sans-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 100 1000;
  font-display: swap;
  src: url("/assets/fonts/dm-sans-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  /* ---- Gemini gradient stops (cool, brand-true) ---- */
  --gemini-blue: #4285F4;
  --gemini-blue-deep: #1A73E8;
  --gemini-indigo: #5E72E4;
  --gemini-purple: #9B72CB;
  --gemini-magenta: #D96570;

  /* ---- Color roles (Material 3 neutral, faint cool tint) ---- */
  --primary: #1A73E8;
  --on-primary: #FFFFFF;
  --primary-container: #DCE7FF;
  --on-primary-container: #00184A;
  --secondary-container: #E7DEFF;
  --on-secondary-container: #21005D;
  --tertiary-container: #FFD9E1;
  --on-tertiary-container: #3E0021;
  --error: #BA1A1A;

  --surface: #FCFCFF;
  --surface-container-low: #F4F5FB;
  --surface-container: #ECEEF7;
  --surface-container-high: #E6E9F4;
  --on-surface: #1A1B22;
  --on-surface-variant: #44464E;
  --outline: #74767E;
  --outline-variant: #C6C8D3;
  --led-green: #2E9E5B;

  /* ---- Gradients ----
     Fills (opaque, legible text): the flowing brand linear.
     Blooms (vessels, hero): layered radials — each colour opaque at
     its core, fading to transparent, so the composite has the
     "sharp leading edge, diffuse tail" quality rather than a flat band. */
  --gradient-gemini: linear-gradient(102deg, #1A73E8 0%, #4285F4 24%, #6E6AD6 54%, #9B72CB 76%, #D96570 100%);
  --gradient-gemini-soft: linear-gradient(102deg, #4285F4 0%, #8A6FD0 55%, #D96570 100%);

  --bloom-gemini:
    radial-gradient(62% 86% at 26% 24%, var(--gemini-blue) 0%, rgba(66,133,244,0) 62%),
    radial-gradient(54% 74% at 70% 30%, var(--gemini-purple) 0%, rgba(155,114,203,0) 70%),
    radial-gradient(64% 82% at 56% 86%, var(--gemini-magenta) 0%, rgba(217,101,112,0) 78%),
    radial-gradient(120% 120% at 50% 40%, #5E72E4 0%, rgba(94,114,228,0) 60%);

  /* "Thoughtfully imperfect" grain — fractal noise, blended low */
  --noise: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");

  /* ---- Surface backdrop ---- */
  --gradient-page: radial-gradient(140% 90% at 85% -10%, #EEF1FF 0%, rgba(238,241,255,0) 55%),
                   radial-gradient(120% 80% at 0% 0%, #F6ECFB 0%, rgba(246,236,251,0) 50%),
                   var(--surface);

  /* ---- Shadows (light Material elevation, cool ambient) ---- */
  --shadow-rest: 0 1px 2px rgba(26,27,34,0.06), 0 4px 16px rgba(26,27,34,0.06);
  --shadow-active: 0 2px 6px rgba(26,27,34,0.08), 0 16px 38px rgba(66,133,244,0.16);
  --shadow-bloom: 0 0 44px rgba(123,97,202,0.24);

  /* ---- Type ---- */
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* ---- Shape ---- */
  --radius-card: 28px;
  --radius-med: 16px;

  --max-w: 1080px;
  --col-narrow: 640px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--on-surface);
  background: var(--gradient-page);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- Type scale ---------- */
.headline { font-size: clamp(1.6rem, 4.2vw, 1.95rem); font-weight: 600; line-height: 1.22; letter-spacing: -0.02em; }
.title    { font-size: 1.25rem; font-weight: 600; line-height: 1.36; letter-spacing: -0.01em; }
.body     { font-size: 1rem; font-weight: 400; line-height: 1.62; color: var(--on-surface-variant); }
.label    { font-size: 0.8125rem; font-weight: 500; line-height: 1.4; }
.caption  { font-size: 0.6875rem; font-weight: 400; line-height: 1.45; }
.muted    { color: var(--on-surface-variant); }
.center   { text-align: center; }

/* ---------- Inline icons (Material-style line glyphs) ---------- */
.icon { width: 1.5rem; height: 1.5rem; display: inline-block; flex: 0 0 auto; }
.icon path, .icon circle, .icon rect, .icon line, .icon polyline, .icon ellipse {
  vector-effect: non-scaling-stroke;
}

/* ---------- Sparkle (the only AI motif — surgical use) ---------- */
.sparkle { color: var(--gemini-blue); filter: drop-shadow(0 0 6px rgba(66,133,244,0.45)); }

/* ---------- Wordmark ---------- */
.wordmark {
  position: fixed; top: 0; left: 0; z-index: 100;
  display: flex; flex-direction: column; gap: 1px;
  padding: 16px 20px;
  background: linear-gradient(to bottom, rgba(252,252,255,0.92), rgba(252,252,255,0));
  backdrop-filter: blur(6px);
}
.wordmark__name {
  font-size: 1.125rem; font-weight: 700; letter-spacing: -0.02em;
  background: var(--gradient-gemini); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.wordmark__byline { font-size: 0.6875rem; color: var(--on-surface-variant); }

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font);
  font-size: 0.9375rem; font-weight: 600; text-decoration: none;
  padding: 13px 26px; border-radius: 999px;
  min-height: 48px; cursor: pointer; border: none;
  transition: transform 0.18s cubic-bezier(0.2,0,0,1), box-shadow 0.18s, background 0.18s;
  white-space: nowrap;
}
.btn--sm { padding: 11px 20px; min-height: 44px; font-size: 0.875rem; }
.btn--filled { background: var(--gradient-gemini); color: var(--on-primary); box-shadow: var(--shadow-rest); }
.btn--filled:hover { transform: translateY(-2px); box-shadow: var(--shadow-active); }
.btn--tonal { background: var(--primary-container); color: var(--on-primary-container); }
.btn--tonal:hover { transform: translateY(-2px); box-shadow: var(--shadow-rest); }
.btn--outlined { background: rgba(252,252,255,0.6); color: var(--primary); border: 1.5px solid var(--outline-variant); }
.btn--outlined:hover { background: var(--primary-container); border-color: var(--primary-container); }

.cta-row { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-top: 12px; }
.cta-row--left { justify-content: flex-start; margin-top: 18px; }

.link {
  color: var(--primary); text-decoration: none; font-weight: 500; font-size: 0.9375rem;
  border-bottom: 1.5px solid transparent; transition: border-color 0.15s;
  display: inline-block;
}
.link:hover { border-bottom-color: var(--primary); }

/* ---------- Sections ---------- */
.section { max-width: var(--max-w); margin: 0 auto; padding: 80px 24px; }
.section--narrow { max-width: var(--col-narrow); }
.lead { margin-top: 20px; font-size: 1.0625rem; }
.subhead-narrow { max-width: 560px; margin: 14px auto 0; }

/* ---------- Vessels (circles that contain the gradient) ---------- */
.vessel {
  position: relative; display: grid; place-items: center; border-radius: 50%;
  background: var(--bloom-gemini), #5566d8;
  box-shadow: var(--shadow-bloom);
  color: #fff;
  isolation: isolate;
  overflow: hidden;
}
.vessel::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  background: var(--noise); background-size: 180px 180px;
  mix-blend-mode: soft-light; opacity: 0.5; pointer-events: none;
}
.vessel .icon { width: 44%; height: 44%; color: #fff; z-index: 1; }
.vessel--hero { width: clamp(184px, 42vw, 244px); aspect-ratio: 1; margin: 0 auto 32px; padding: 0; }
.vessel--md { width: 88px; height: 88px; margin-bottom: 16px; }
.vessel--sm { width: 64px; height: 64px; margin-bottom: 14px; }
.vessel--md .icon { width: 40px; height: 40px; }
.vessel--sm .icon { width: 30px; height: 30px; }

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: var(--radius-card);
  padding: 32px;
  box-shadow: var(--shadow-rest);
  backdrop-filter: blur(8px);
}
.card .title { margin-bottom: 4px; }
.card .body { margin-top: 8px; }

/* ---------- HERO ---------- */
.hero {
  position: relative; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 120px 24px 84px; overflow: hidden;
}
.hero__blob {
  position: absolute; top: -16vh; right: -22vw; width: 72vw; height: 72vw;
  background: var(--bloom-gemini);
  opacity: 0.55; filter: blur(72px); border-radius: 50%; z-index: 0;
  will-change: transform; animation: drift 22s ease-in-out infinite alternate;
}
.hero__blob--2 {
  top: auto; bottom: -22vh; right: auto; left: -24vw; width: 60vw; height: 60vw;
  opacity: 0.4; animation-duration: 28s; animation-direction: alternate-reverse;
}
@keyframes drift {
  0%   { transform: translate3d(0,0,0) rotate(0deg) scale(1); }
  100% { transform: translate3d(-4%, 5%, 0) rotate(28deg) scale(1.12); }
}
.hero__content { position: relative; z-index: 1; max-width: 720px; }
.hero__headline {
  font-size: clamp(2.5rem, 8vw, 3.6rem); font-weight: 700;
  line-height: 1.06; letter-spacing: -0.035em; color: var(--on-surface);
}
.hero__subhead {
  margin: 24px auto 0; max-width: 564px;
  font-size: clamp(1.0625rem, 2.4vw, 1.25rem); font-weight: 400;
  line-height: 1.5; color: var(--on-surface-variant);
}
.hero .cta-row { margin-top: 32px; }

/* ---------- "Built with Gemma" honesty badge ---------- */
.gemma-badge {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 22px auto 0; padding: 7px 16px 7px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.7); border: 1px solid var(--outline-variant);
  font-size: 0.8125rem; font-weight: 500; color: var(--on-surface-variant);
  backdrop-filter: blur(6px);
}
.gemma-badge .sparkle { width: 18px; height: 18px; }
.gemma-badge strong { color: var(--on-surface); font-weight: 600; }

.scroll-cue {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: grid; place-items: center; width: 42px; height: 42px;
  border-radius: 999px; background: rgba(255,255,255,0.7); color: var(--primary);
  border: 1px solid var(--outline-variant);
  z-index: 1; animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 5px); } }

/* ---------- Trust row (section 2) ---------- */
.trust-row {
  list-style: none; display: flex; gap: 36px; justify-content: center; flex-wrap: wrap;
  margin-top: 48px;
}
.trust { display: flex; flex-direction: column; align-items: center; text-align: center; max-width: 200px; }
.trust__icon {
  display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%;
  border: 1.5px solid var(--outline-variant); color: var(--primary);
  background: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}
.trust__icon .icon { width: 28px; height: 28px; }
.trust__title { font-weight: 600; font-size: 1rem; }
.trust__desc { font-size: 0.875rem; color: var(--on-surface-variant); margin-top: 4px; }

/* ---------- Layout grids ---------- */
.two-col { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
.three-col { display: grid; grid-template-columns: 1fr; gap: 16px; margin-top: 32px; }
.two-col--tight { margin-top: 16px; gap: 12px; }
@media (min-width: 720px) {
  .two-col { grid-template-columns: 1fr 1fr; }
  .three-col { grid-template-columns: repeat(3, 1fr); }
}

.kitchen-card .title { margin-top: 4px; }
.in-between { max-width: 600px; margin: 24px auto 0; }

/* ---------- Steps (section 4) ---------- */
.steps { list-style: none; display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.step { display: flex; gap: 20px; align-items: flex-start; }
.step--alt { background: rgba(232,235,247,0.66); }
.step__num {
  flex: 0 0 auto; display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient-gemini); color: var(--on-primary);
  font-weight: 700; font-size: 1.25rem; box-shadow: var(--shadow-bloom);
}
.step__body { flex: 1; min-width: 0; }
.step__kicker { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em; color: var(--primary); margin-bottom: 4px; }
.suboption { background: rgba(244,245,251,0.8); border-radius: var(--radius-med); padding: 20px; }
.suboption__head { font-weight: 600; font-size: 0.95rem; margin-bottom: 6px; }
.suboption .body { font-size: 0.9375rem; }
.suboption .link { margin-top: 8px; font-size: 0.875rem; }
.pill-tag {
  display: inline-block; font-size: 0.625rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 2px 9px; border-radius: 999px;
  background: var(--primary-container); color: var(--on-primary-container); vertical-align: middle;
}
.pill-tag--alt { background: var(--secondary-container); color: var(--on-secondary-container); }
.led-dot {
  display: inline-block; width: 9px; height: 9px; border-radius: 50%;
  background: var(--led-green); box-shadow: 0 0 6px var(--led-green); vertical-align: middle;
}
.chip-callout {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 14px; padding: 9px 16px; border-radius: 999px;
  background: var(--secondary-container); color: var(--on-secondary-container); font-size: 0.875rem;
}
.chip-callout .icon { width: 18px; height: 18px; }
.reassure { margin-top: 32px; }

/* ---------- Open source pills (section 6) ---------- */
.trust-pills, .footer__grid { list-style: none; }
.trust-pills {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 28px;
}
.pill-chip {
  padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--outline-variant);
  font-size: 0.8125rem; font-weight: 500; color: var(--on-surface-variant);
  background: rgba(255,255,255,0.5);
}

/* ---------- Get-it cards (section 7) ---------- */
.get-card { position: relative; overflow: hidden; }
.accent-bar { position: absolute; top: 0; left: 0; right: 0; height: 6px; }
.accent-bar--primary { background: var(--gradient-gemini); }
.accent-bar--secondary { background: var(--gradient-gemini-soft); opacity: 0.6; }
.get-card .vessel { margin-top: 8px; }

/* ---------- Photo-feature "scan" ripple ---------- */
.scan { position: relative; }
.scan::before {
  content: ""; position: absolute; inset: 0; border-radius: 50%; z-index: 0;
  border: 2px solid rgba(66,133,244,0.5);
  animation: scan 2.8s cubic-bezier(0.2,0,0,1) infinite;
}
@keyframes scan {
  0%   { transform: scale(0.7); opacity: 0.8; }
  70%  { opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ---------- Footer ---------- */
.footer { background: var(--surface-container-high); margin-top: 40px; padding: 48px 24px 32px; }
.footer__inner { max-width: var(--max-w); margin: 0 auto; text-align: center; }
.footer__brand {
  font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em;
  background: var(--gradient-gemini); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: inline-block;
}
.footer__tagline { margin-top: 4px; }
.footer__grid {
  display: grid; grid-template-columns: 1fr; gap: 24px; margin: 32px 0;
  justify-items: center;
}
@media (min-width: 600px) { .footer__grid { grid-template-columns: repeat(3, 1fr); } }
.footer__col { display: flex; flex-direction: column; gap: 8px; }
.footer__head { font-weight: 600; font-size: 0.875rem; margin-bottom: 2px; }
.footer__col .link { font-size: 0.875rem; }
.footer__legal { margin-top: 16px; }

/* ---------- Reveal-on-scroll ----------
   Gated behind html.js so the page is fully visible without JavaScript.
   JS adds the .js class immediately on load; only then do sections start hidden. */
html.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s cubic-bezier(0.2,0,0,1), transform 0.6s cubic-bezier(0.2,0,0,1); }
html.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { transition: opacity 0.2s; transform: none; }
  .scroll-cue, .hero__blob, .scan::before { animation: none; }
  .hero__blob { will-change: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}