/* =========================================================================
   Green Tech Labz — coming-soon landing
   Brand tokens from brand/brand-guide.md §3. Dark "night" surface throughout.
   ========================================================================= */

:root {
  /* Palette (brand-guide §3) */
  --gtl-emerald: #16A34A;
  --gtl-mint:    #34D17E;
  --gtl-forest:  #08160E;
  --gtl-forest-panel: #0B1F14;
  --gtl-ink:     #0C1A12;
  --gtl-paper:   #F5F8F4;
  --gtl-sage:    #5B6B61;   /* muted on light */
  --gtl-sage-dark: #9FB3A6; /* muted on dark  */
  --gtl-rosin:   #E0A93B;

  /* Derived surfaces / lines */
  --hairline: rgba(159, 179, 166, 0.16);
  --hairline-strong: rgba(159, 179, 166, 0.28);
  --panel-soft: rgba(255, 255, 255, 0.02);

  /* Type */
  --font-display: 'Sora', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Layout */
  --maxw: 1120px;
  --gutter: clamp(20px, 5vw, 56px);
  --radius: 16px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ----------------------------- Reset / base ----------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.6;
  color: var(--gtl-paper);
  background-color: var(--gtl-forest);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--gtl-mint); text-decoration: none; }
h1, h2, h3, p { margin: 0; }
button { font-family: inherit; }

/* Lock scroll while the age gate is up */
html.age-locked, html.age-locked body { overflow: hidden; }

/* ------------------------------- Helpers -------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(10px, 1.1vw, 12px);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gtl-mint);
  margin: 0;
}

/* The wordmark recipe (brand-guide §4) — paper on dark, mint Z on dark */
.gtl-wm {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gtl-paper);
}
.gtl-wm .z { color: var(--gtl-mint); }

.rule {
  width: 56px;
  height: 0;
  border: 0;
  border-top: 1px solid var(--hairline-strong);
  margin: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--gtl-emerald);
  color: #fff;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  font-size: 14px;
}
.skip-link:focus { left: 0; }

/* Visible keyboard focus everywhere */
:focus-visible {
  outline: 2px solid var(--gtl-mint);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ------------------------------- Buttons -------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 13px 24px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease),
              border-color 0.18s var(--ease), box-shadow 0.18s var(--ease), color 0.18s var(--ease);
}
.btn--primary {
  background: var(--gtl-emerald);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, 0 10px 30px -12px rgba(22, 163, 74, 0.7);
}
.btn--primary:hover {
  background: var(--gtl-mint);
  color: var(--gtl-ink);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px -12px rgba(52, 209, 126, 0.65);
}
.btn--ghost {
  background: transparent;
  color: var(--gtl-paper);
  border-color: var(--hairline-strong);
}
.btn--ghost:hover {
  border-color: var(--gtl-mint);
  color: var(--gtl-mint);
  transform: translateY(-2px);
}
.btn--lg { padding: 16px 34px; font-size: 16px; }

/* =============================== AGE GATE =============================== */
#age-gate { display: none; }
html.age-locked #age-gate {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(52, 209, 126, 0.10), transparent 60%),
    rgba(4, 10, 7, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.age-gate__panel {
  width: min(440px, 100%);
  text-align: center;
  background: linear-gradient(180deg, var(--gtl-forest-panel), #07130C);
  border: 1px solid var(--hairline);
  border-radius: 20px;
  padding: clamp(28px, 5vw, 44px) clamp(22px, 5vw, 38px);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8);
}
.age-gate__mark { margin: 0 auto 16px; width: 64px; height: 64px; }
.age-gate__panel .eyebrow { margin-bottom: 14px; }
.age-gate__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 6vw, 34px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.age-gate__title .z { color: var(--gtl-mint); }
.age-gate__copy {
  color: var(--gtl-sage-dark);
  font-size: 15px;
  margin-bottom: 18px;
}
.age-gate__copy strong { color: var(--gtl-paper); font-weight: 600; }
.age-gate__q {
  font-weight: 600;
  font-size: 17px;
  margin-bottom: 18px;
}
.age-gate__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.age-gate__actions .btn { flex: 1 1 150px; }
.age-gate__fine {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gtl-sage-dark);
  opacity: 0.8;
}
/* Exit state */
.age-gate__panel.is-denied .age-gate__actions,
.age-gate__panel.is-denied .age-gate__q { display: none; }

/* ============================ LAYOUT PRIMITIVES ========================= */
.site-header, .hero__inner, .section, .partners__inner, .site-footer {
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: clamp(64px, 11vw, 128px);
  padding-bottom: clamp(64px, 11vw, 128px);
}

/* ------------------------------- Header --------------------------------- */
.site-header {
  position: relative;
  z-index: 5;
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 22px;
  padding-bottom: 22px;
}
.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark { width: 36px; height: 36px; flex: none; }
.brand__wm { font-size: 17px; letter-spacing: 0.06em; }
.header-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gtl-sage-dark);
  padding: 8px 4px;
  transition: color 0.18s var(--ease);
}
.header-cta:hover { color: var(--gtl-mint); }

/* -------------------------------- Hero ---------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  text-align: center;
}
.hero__glow {
  position: absolute;
  top: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: min(900px, 120%);
  height: 700px;
  background: radial-gradient(closest-side, rgba(52, 209, 126, 0.22), rgba(52, 209, 126, 0.06) 45%, transparent 72%);
  filter: blur(10px);
  pointer-events: none;
  animation: glowPulse 9s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.85; transform: translateX(-50%) scale(1); }
  50%      { opacity: 1;    transform: translateX(-50%) scale(1.06); }
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding-top: clamp(40px, 9vw, 96px);
  padding-bottom: clamp(56px, 11vw, 120px);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__flask {
  width: clamp(96px, 16vw, 128px);
  height: auto;
  filter: drop-shadow(0 10px 40px rgba(52, 209, 126, 0.35));
}
.hero__inner .eyebrow { margin-top: 26px; }
.hero__wm {
  font-size: clamp(34px, 8.5vw, 72px);
  line-height: 1.02;
  letter-spacing: 0.02em;
  margin: 16px 0 22px;
}
.hero__inner .rule { margin: 6px 0 22px; }
.hero__kicker {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(11px, 1.4vw, 13px);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gtl-sage-dark);
  margin-bottom: 6px;
}
.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 6vw, 46px);
  line-height: 1.12;
  letter-spacing: 0.005em;
  color: var(--gtl-paper);
}
.hero__title .accent { font-weight: 600; color: var(--gtl-mint); }
.hero__sub {
  max-width: 56ch;
  margin: 22px auto 0;
  color: var(--gtl-sage-dark);
  font-size: clamp(15px, 1.8vw, 18px);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-top: 34px;
}

/* --------------------------- Section headings --------------------------- */
.section--panel {
  max-width: none;
  background: var(--gtl-forest-panel);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.section--panel > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section__head { max-width: 640px; margin-bottom: clamp(36px, 6vw, 60px); }
.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 4.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin-top: 14px;
}
.section__lead {
  margin-top: 16px;
  color: var(--gtl-sage-dark);
  font-size: clamp(15px, 1.7vw, 17px);
  max-width: 60ch;
}

/* ------------------------------ Product cards --------------------------- */
.cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr; /* 1-up on mobile; 2x2 from 560px (see breakpoints) */
  gap: clamp(16px, 2.2vw, 24px);
}
.card {
  background: var(--panel-soft);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-strong);
  box-shadow: 0 24px 50px -28px rgba(0, 0, 0, 0.9);
}

/* Media slot — branded placeholder now; drop a real <img> / background later.
   ── TO SWAP IN A PHOTO: replace this <div class="media …"> with
      <img src="/assets/product-rosin.jpg" alt="…"> (4:3), or set
      background-image on the matching .media--* rule. Layout stays put. */
.media {
  position: relative;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background:
    radial-gradient(140% 120% at 30% 12%, rgba(52, 209, 126, 0.16), transparent 55%),
    linear-gradient(160deg, #0e2417, #081710 70%);
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}
.media--hash    { background: radial-gradient(140% 120% at 70% 14%, rgba(22, 163, 74, 0.22), transparent 55%), linear-gradient(160deg, #0c2014, #07130d 70%); }
.media--gummies { background: radial-gradient(140% 120% at 30% 10%, rgba(224, 169, 59, 0.16), transparent 55%), linear-gradient(160deg, #11240f, #0a1810 70%); }
.media--carts   { background: radial-gradient(150% 130% at 80% 0%, rgba(52, 209, 126, 0.18), transparent 52%), linear-gradient(160deg, #0a1f16, #06120c 70%); }
.media__leaf {
  width: 44%;
  max-width: 120px;
  opacity: 0.13;
  filter: grayscale(1) brightness(2.4);
}
.media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gtl-sage-dark);
  background: rgba(4, 10, 7, 0.55);
  border: 1px solid var(--hairline);
  padding: 4px 9px;
  border-radius: 999px;
}
.card__body { padding: 22px 22px 26px; }
.card__title { font-family: var(--font-display); font-weight: 600; font-size: 20px; }
.card__copy { margin-top: 9px; color: var(--gtl-sage-dark); font-size: 14.5px; line-height: 1.55; }
.labels { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.labels span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gtl-mint);
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  padding: 4px 10px;
}

/* ------------------------------- Pillars -------------------------------- */
.pillars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr; /* 1-up on mobile; 3-across from 760px (see breakpoints) */
  gap: clamp(20px, 3vw, 40px);
}
.pillar { padding-top: 22px; border-top: 1px solid var(--hairline-strong); }
.pillar__no {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gtl-emerald);
  margin-bottom: 14px;
}
.pillar__no--gold { color: var(--gtl-rosin); }
.pillar__title { font-family: var(--font-display); font-weight: 600; font-size: 22px; }
.pillar__copy { margin-top: 10px; color: var(--gtl-sage-dark); font-size: 15px; }

/* ----------------------------- Partner CTA ------------------------------ */
.partners { text-align: center; }
.partners__inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.partners__copy {
  margin: 18px auto 30px;
  color: var(--gtl-sage-dark);
  font-size: clamp(15px, 1.9vw, 18px);
  max-width: 56ch;
}
.partners__note {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gtl-sage-dark);
}

/* -------------------------------- Footer -------------------------------- */
.site-footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: clamp(40px, 6vw, 64px);
  padding-bottom: 56px;
  border-top: 1px solid var(--hairline);
}
.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.site-footer .brand__mark { width: 30px; height: 30px; }
.site-footer .brand__wm { font-size: 15px; }
.footer-link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gtl-sage-dark);
}
.footer-link:hover { color: var(--gtl-mint); }
.compliance {
  margin-top: 24px;
  max-width: 70ch;
  color: var(--gtl-sage-dark);
  font-size: 12.5px;
  line-height: 1.6;
  opacity: 0.85;
}
.site-footer__legal {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gtl-sage-dark);
}
.site-footer__legal .dot { opacity: 0.5; }

/* ============================ REVEAL ANIMATION ========================== */
/* Hidden state only applies when JS is on (.js set pre-paint). No JS → visible. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* =============================== RESPONSIVE ============================= */
@media (max-width: 560px) {
  .header-cta { display: none; }
  .hero__actions .btn, .age-gate__actions .btn { flex: 1 1 100%; }
}
/* Product cards: clean 2x2 (never an orphaned 3+1) on tablet/desktop. */
@media (min-width: 560px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
/* Three brand pillars: 3-across once there's room. */
@media (min-width: 760px) {
  .pillars { grid-template-columns: repeat(3, 1fr); }
}

/* ========================= REDUCED MOTION / NO-JS ====================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__glow { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .btn, .card, .header-cta { transition: none; }
}