/* ============================================================
   ARVINE LABS — shared design system
   Fine-wine-estate editorial · serif display + grotesque body
   + technical mono for data labels
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400;1,500&family=Hanken+Grotesk:wght@300;400;500;600;700&family=Spline+Sans+Mono:wght@400;500;600&display=swap');

:root {
  /* surfaces — Noir (baked default) */
  --cream:      #efeae2;
  --cream-deep: #ded7cb;
  --paper:      #f7f3ec;
  --ink:        #1c1a1b;
  --ink-soft:   #48433f33;
  --ink-70:     #48433f;
  --ink-45:     #857d72;

  /* wine + accent — Noir (charcoal-plum + champagne) */
  --wine:        #43343a;
  --wine-deep:   #271d22;
  --wine-night:  #141013;
  --wine-bright: #6a5560;
  --ochre:       #b89a5a;
  --ochre-light: #e2c885;
  --ochre-soft:  #b89a5a33;

  /* lines */
  --line:      rgba(33,30,26,0.14);
  --line-soft: rgba(33,30,26,0.08);
  --line-cream:rgba(243,237,226,0.18);

  /* type */
  --serif: 'Cormorant Garamond', 'Times New Roman', serif;
  --sans:  'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --mono:  'Spline Sans Mono', ui-monospace, monospace;

  /* layout */
  --gutter: clamp(1.25rem, 5vw, 6rem);
  --maxw: 1400px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --atmos: 1; /* texture density (grain + terroir lines), baked full */
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
  line-height: 1.65;
  font-weight: 400;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
::selection { background: var(--wine); color: var(--cream); }

/* ---------- film grain overlay ---------- */
body::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  opacity: calc(0.012 + var(--atmos) * 0.072); mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- typography helpers ---------- */
.serif { font-family: var(--serif); }
.mono  { font-family: var(--mono); }

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ochre);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 2.2em; height: 1px;
  background: currentColor;
  opacity: 0.7;
}
.eyebrow.no-rule::before { display: none; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.02; letter-spacing: -0.01em; }

.display {
  font-size: clamp(3rem, 8.4vw, 8rem);
  line-height: 0.96;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.h2 { font-size: clamp(2.9rem, 8.2vw, 4.5rem); line-height: 0.95; font-weight: 500; letter-spacing: -0.025em; }
.h3 { font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 1.04; }
.lede {
  font-size: clamp(1.12rem, 0.9rem + 1vw, 1.5rem);
  line-height: 1.5;
  color: var(--ink-70);
  font-weight: 400;
  max-width: 36ch;
}
em, .italic { font-style: italic; }
.ink-soft { color: var(--ink-70); }

/* ---------- layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: clamp(5rem, 11vw, 11rem); position: relative; }
.section--tight { padding-block: clamp(3.5rem, 7vw, 7rem); }

.rule { height: 1px; background: var(--line); border: 0; }

/* index marker e.g. "01 — Concept" */
.marker {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-45);
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.7em;
  font-family: var(--mono);
  font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 1.05em 1.7em;
  border-radius: 100px;
  position: relative;
  transition: transform 0.5s var(--ease), background 0.4s var(--ease), color 0.4s var(--ease), border-color 0.4s var(--ease);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn .arrow { transition: transform 0.5s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--solid { background: var(--wine); color: var(--cream); }
.btn--solid:hover { background: var(--wine-deep); transform: translateY(-2px); }
.btn--ghost { border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); transform: translateY(-2px); }
.btn--cream { border-color: var(--line-cream); color: var(--cream); }
.btn--cream:hover { background: var(--cream); color: var(--wine-deep); transform: translateY(-2px); }
.btn--gold { background: var(--ochre); border-color: var(--ochre); color: var(--wine-deep); }
.btn--gold:hover { background: var(--ochre-light); border-color: var(--ochre-light); transform: translateY(-2px); }
.btn--gold-soft { background: var(--ochre-soft); border-color: var(--ochre); color: var(--cream); }
.btn--gold-soft:hover { background: var(--ochre); color: var(--wine-deep); transform: translateY(-2px); }
.btn--lg { padding: 1.2em 2em; font-size: 0.82rem; }
/* attention-drawing pulse + sheen for the contact CTA */
.btn--pulse { position: relative; overflow: hidden; }
@media (prefers-reduced-motion: no-preference) {
  .btn--pulse { animation: ctaGlow 2.6s var(--ease) infinite; }
  .btn--pulse::after { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 55%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.55), transparent);
    transform: translateX(-200%) skewX(-12deg); pointer-events: none;
    animation: ctaSheen 4.6s var(--ease) 1.2s infinite; }
}
@keyframes ctaGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(226,200,133,0); }
  50%      { box-shadow: 0 8px 30px -4px rgba(226,200,133,0.6); }
}
@keyframes ctaSheen {
  0%        { transform: translateX(-200%) skewX(-12deg); }
  38%, 100% { transform: translateX(320%)  skewX(-12deg); }
}

/* text link with animated underline */
.tlink {
  font-family: var(--mono);
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 0.6em;
  position: relative; padding-bottom: 3px;
}
.tlink::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.5s var(--ease);
}
.tlink:hover::after { transform: scaleX(1); }
.tlink .arrow { transition: transform 0.5s var(--ease); }
.tlink:hover .arrow { transform: translateX(4px); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1.1rem, 2vw, 1.7rem) var(--gutter);
  transition: background 0.5s var(--ease), padding 0.5s var(--ease), box-shadow 0.5s var(--ease);
  mix-blend-mode: normal;
}
.nav__brand {
  font-family: var(--mono);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.28em; text-transform: uppercase;
  display: flex; align-items: center; gap: 0.65em;
  transition: color 0.5s var(--ease);
}
.nav__brand .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--wine-bright);
  transition: background 0.5s var(--ease);
}
.nav__mark { width: 26px; height: 26px; flex: none; display: block; color: currentColor; }
.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.6rem); }
.nav__link {
  font-family: var(--mono);
  font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  position: relative; padding: 0.3em 0;
  transition: color 0.4s var(--ease), opacity 0.4s var(--ease);
  opacity: 0.85;
}
.nav__link:hover { opacity: 1; }
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -1px; width: 100%; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform 0.45s var(--ease);
}
.nav__link:hover::after, .nav__link.is-active::after { transform: scaleX(1); }
.nav__link .num { color: var(--ochre); margin-right: 0.45em; }

/* over-dark hero */
.nav--on-dark { color: var(--cream); }
.nav--on-dark .nav__brand { color: var(--cream); }
/* scrolled state */
.nav.scrolled {
  background: rgba(243,237,226,0.82);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 1px 0 var(--line-soft);
  color: var(--ink);
}
.nav.scrolled .nav__brand { color: var(--ink); }
.nav.scrolled .nav__brand .dot { background: var(--wine); }
.nav.scrolled.nav--on-dark { color: var(--ink); }

/* ============================================================
   CTA STRIP
   ============================================================ */
.cta-strip { background: var(--wine); color: var(--cream); }
.cta-strip .wrap { display:flex; align-items:center; justify-content:space-between; gap:2rem; flex-wrap:wrap;
  padding-block: clamp(3rem,6vw,5rem); }
.cta-strip h2 { color: var(--cream); font-size: clamp(1.8rem,3.6vw,2.8rem); max-width: 18ch; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--wine-night);
  color: var(--cream);
  padding-block: clamp(4rem, 8vw, 7rem) 2.5rem;
  position: relative;
}
.footer a { transition: color 0.3s var(--ease), opacity 0.3s var(--ease); }
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--line-cream);
}
.footer__brand .mark {
  font-family: var(--mono); font-weight: 600;
  letter-spacing: 0.28em; font-size: 0.9rem; text-transform: uppercase;
  margin-bottom: 1.4rem; display: inline-block;
}
.footer__brand p { color: rgba(243,237,226,0.6); max-width: 34ch; font-size: 0.98rem; line-height: 1.6; }
.footer__col h5 {
  font-family: var(--mono); font-weight: 500;
  font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--ochre-light); margin-bottom: 1.3rem;
}
.footer__col ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.footer__col li { color: rgba(243,237,226,0.72); font-size: 0.96rem; }
.footer__col a:hover { color: var(--cream); }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
  padding-top: 2rem;
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em;
  color: rgba(243,237,226,0.5);
}
.footer__legal { display: inline-flex; gap: 0.55em; }
.footer__legal a { color: rgba(243,237,226,0.6); }
.footer__legal a:hover { color: var(--cream); }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
  [data-reveal].in { opacity: 1; transform: none; }
  [data-reveal="fade"] { transform: none; }
  [data-reveal="left"] { transform: translateX(-32px); }
  [data-reveal="scale"] { transform: scale(0.94); }
  [data-reveal].in[data-reveal="scale"] { transform: none; }
  [data-stagger] > * { opacity: 0; transform: translateY(26px); transition: opacity 0.9s var(--ease), transform 1s var(--ease); }
  [data-stagger].in > * { opacity: 1; transform: none; }

  /* enhanced blur reveal for display headings */
  h1[data-reveal], .hero__lede[data-reveal] {
    filter: blur(8px);
    transition: opacity 1s var(--ease), transform 1.2s var(--ease), filter 1s var(--ease);
  }
  h1[data-reveal].in, .hero__lede[data-reveal].in { filter: blur(0); }

  /* eyebrow rule grows in */
  .eyebrow::before { transform: scaleX(0); transform-origin: left; transition: transform 0.7s var(--ease); }
  .in .eyebrow::before, .eyebrow.in::before { transform: scaleX(1); }

  /* line draw */
  .draw-line { transition: transform 1.4s var(--ease); transform: scaleX(0); transform-origin: left; }
  .in .draw-line, .draw-line.in { transform: scaleX(1); }
}

/* ---- custom cursor (overlay only — native cursor preserved) ---- */
.al-cursor {
  position: fixed; top: 0; left: 0; width: 0; height: 0;
  pointer-events: none; z-index: 99999;
}
.al-cursor__ring {
  position: absolute; width: 32px; height: 32px;
  border: 1px solid rgba(226,200,133,0.55);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.45s var(--ease), height 0.45s var(--ease), border-color 0.3s, opacity 0.3s;
}
.al-cursor__dot {
  position: absolute; width: 5px; height: 5px;
  background: var(--ochre-light); border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: transform 0.2s var(--ease), background 0.3s;
}
.al-cursor.hover .al-cursor__ring { width: 52px; height: 52px; border-color: var(--ochre-light); }
.al-cursor.hover .al-cursor__dot  { transform: translate(-50%,-50%) scale(1.8); background: var(--ochre-light); }
.al-cursor.click .al-cursor__ring { width: 22px; height: 22px; }

/* ---- card tilt + glow ---- */
.track, .fw-card, .step, .tp-tcard {
  position: relative; overflow: hidden;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.al-glow {
  position: absolute; width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(226,200,133,0.13) 0%, transparent 68%);
  transform: translate(-50%,-50%);
  pointer-events: none; opacity: 0;
  transition: opacity 0.5s;
  z-index: 0;
}

/* ---- hero shimmer sweep ---- */
@keyframes shimmer {
  0%   { transform: translateX(-120%) skewX(-18deg); }
  100% { transform: translateX(220%) skewX(-18deg); }
}
.hero__shimmer {
  position: absolute; inset: 0; z-index: 4;
  pointer-events: none; overflow: hidden;
}
.hero__shimmer::after {
  content: "";
  position: absolute; top: 0; left: 0;
  width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.03) 50%, transparent);
  animation: shimmer 4s ease-in-out 0.8s both;
}

/* clip reveal for words */
.clip { display: inline-block; overflow: hidden; vertical-align: top; }
.clip > span { display: inline-block; }
@media (prefers-reduced-motion: no-preference) {
  .clip > span { transform: translateY(110%); transition: transform 1.05s var(--ease); }
  .in .clip > span, .clip.in > span { transform: none; }
}

/* ============================================================
   SHARED: placeholder media treatment
   ============================================================ */
.media {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--wine) 0%, var(--wine-deep) 60%, var(--wine-night) 100%);
  border-radius: 4px;
}
.media__label {
  position: absolute; left: 1.1rem; bottom: 1rem; z-index: 3;
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(243,237,226,0.66);
}
.media__topo { position: absolute; inset: 0; z-index: 1; opacity: 0.5; }
.media__grain { position: absolute; inset: 0; z-index: 2; opacity: 0.4; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* a chip / tag */
.tag {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-45);
  padding: 0.4em 0.85em; border: 1px solid var(--line);
  border-radius: 100px; display: inline-flex; align-items: center; gap: 0.5em;
}

/* score badge */
.score {
  font-family: var(--mono); font-weight: 500;
  display: inline-flex; align-items: baseline; gap: 0.2em;
}
.tier { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; }
.tier--flagship   { color: var(--wine-bright); }
.tier--promising  { color: var(--ochre); }
.tier--exploratory{ color: #6c7a55; }
.tier--longshot   { color: var(--ink-45); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .footer__top { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .footer__top { grid-template-columns: 1fr; }
}

/* Language switcher */
.nav__lang {
  display: flex; align-items: center; gap: 0;
  font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase;
  position: relative; z-index: 2;
  opacity: 0.45; transition: opacity 0.3s var(--ease);
}
.nav__lang:hover { opacity: 0.85; }
.nav__lang .lc {
  padding: 0.2em 0.45em; color: inherit;
  border-left: 1px solid rgba(243,237,226,0.15);
  transition: opacity 0.2s var(--ease);
  opacity: 0.7;
}
.nav__lang .lc:first-child { border-left: none; }
.nav__lang .lc:hover { opacity: 1; }
.nav__lang .lc.is-active { opacity: 1; pointer-events: none; cursor: default; }

/* duplicate lang switcher rendered inside the mobile menu (hidden on desktop) */
.nav__links .nav__lang { display: none; }

/* ============================================================
   MOBILE / TABLET NAV  (≤ 760px)
   ============================================================ */
.nav__burger {
  display: none;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 6px; width: 40px; height: 40px;
  background: none; border: none; cursor: pointer; padding: 0;
  color: inherit; flex: none; position: relative; z-index: 2;
  -webkit-tap-highlight-color: transparent;
}
.nav__burger span {
  display: block; width: 22px; height: 1.5px;
  background: currentColor; border-radius: 2px;
  transition: transform 0.38s var(--ease), opacity 0.28s var(--ease);
  transform-origin: center;
}
.nav--open .nav__burger span:first-child { transform: translateY(3.75px) rotate(45deg); }
.nav--open .nav__burger span:last-child  { transform: translateY(-3.75px) rotate(-45deg); }

/* Desktop-only line break (inverse of .mb-br): shown >=761px, collapsed on mobile. */
.dt-br { display: none; }
@media (min-width: 761px) { .dt-br { display: inline; } }

@media (max-width: 760px) {
  .nav__burger { display: flex; }
  .nav__brand  { position: relative; z-index: 2; }

  .nav__links {
    position: fixed; inset: 0; z-index: 1;
    flex-direction: column; justify-content: center; align-items: flex-start;
    gap: 0;
    padding: 0 var(--gutter);
    background: var(--wine-night);
    pointer-events: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.38s var(--ease), transform 0.38s var(--ease);
  }
  .nav--open .nav__links {
    pointer-events: auto; opacity: 1; transform: translateY(0);
  }
  .nav--open { background: var(--wine-night) !important;
    backdrop-filter: none !important; -webkit-backdrop-filter: none !important;
    box-shadow: none !important; color: var(--cream) !important; }

  .nav__links .nav__link {
    font-size: 2rem; letter-spacing: 0.04em; opacity: 0.72;
    padding: 0.7em 0; width: 100%;
    border-bottom: 1px solid rgba(243,237,226,0.07);
    display: flex; align-items: baseline; gap: 0;
  }
  .nav__links .nav__link .num { font-size: 0.8rem; margin-right: 0.6em; }
  .nav__links .nav__link:hover,
  .nav__links .nav__link.is-active { opacity: 1; }
  .nav__links .nav__link::after { display: none; }

  /* hide the floating top-bar lang switcher, show the in-menu one instead */
  .nav > .nav__lang { display: none; }
  .nav__links .nav__lang {
    display: flex; gap: 0;
    margin-top: 1.6rem; padding-top: 1.4rem;
    border-top: 1px solid rgba(243,237,226,0.07);
    font-size: 0.85rem; opacity: 0.55;
  }
}

/* ============================================================
   DISPLAY VOICE (baked default: grotesk via <html data-display>)
   ============================================================ */
html[data-display="grotesk"] { --serif: 'Hanken Grotesk', system-ui, -apple-system, sans-serif; }
html[data-display="grotesk"] h1,
html[data-display="grotesk"] h2,
html[data-display="grotesk"] h3,
html[data-display="grotesk"] h4 { font-weight: 700; letter-spacing: -0.035em; }
html[data-display="grotesk"] .hero h1,
html[data-display="grotesk"] .h2 { font-size: clamp(2.5rem, 6.6vw, 4.5rem); line-height: 1.0; }
html[data-display="grotesk"] .hero h1 .soft,
html[data-display="grotesk"] em,
html[data-display="grotesk"] .italic,
html[data-display="grotesk"] .vin-fr { font-style: normal; }
html[data-display="grotesk"] .vin-fr { font-weight: 700; }
html[data-display="grotesk"] .concept__note p em { font-weight: 600; }