/* ============================================================
   VERRE — Designer Eyewear House
   Palette: warm bone · tortoise/cognac · gold accent · espresso text
   Editorial light/dark mix. Fluid type. Clean, considered.
   ============================================================ */

:root {
  /* --- palette --- */
  --bone:     #ece6db;
  --bone-2:   #e3dccf;
  --cognac:   #7a4a2b;
  --gold:     #c2a05a;
  --gold-soft:#d8bd84;
  --espresso: #241c16;
  --espresso-2:#1a140f;
  --line:     rgba(36, 28, 22, 0.16);
  --line-d:   rgba(236, 230, 219, 0.16);

  /* --- contextual (light section default) --- */
  --bg:   var(--bone);
  --text: var(--espresso);
  --muted: rgba(36, 28, 22, 0.62);
  --hair: var(--line);

  /* --- fluid type scale --- */
  --fs-eyebrow: clamp(0.66rem, 0.6rem + 0.3vw, 0.78rem);
  --fs-body:    clamp(1rem, 0.95rem + 0.3vw, 1.12rem);
  --fs-lead:    clamp(1.18rem, 1.05rem + 0.7vw, 1.6rem);
  --fs-h:       clamp(2.1rem, 1.3rem + 3.6vw, 4.6rem);
  --fs-hero:    clamp(4.5rem, 2rem + 16vw, 17rem);
  --fs-stat:    clamp(2.6rem, 1.5rem + 4vw, 5rem);

  /* --- rhythm --- */
  --pad-x: clamp(1.25rem, 5vw, 7rem);
  --sec-y: clamp(5rem, 9vw, 11rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------------- reset ---------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: "Jost", system-ui, sans-serif;
  font-weight: 300;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  cursor: none;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: "Fraunces", Georgia, serif; font-weight: 400; line-height: 1; letter-spacing: -0.01em; }
::selection { background: var(--gold); color: var(--espresso); }

/* touch devices: restore native cursor */
@media (hover: none) {
  body { cursor: auto; }
  .cursor { display: none; }
}

/* ---------------- typography helpers ---------------- */
.eyebrow {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--cognac);
  font-weight: 400;
}
.section--dark .eyebrow { color: var(--gold); }
.h-lg { font-size: var(--fs-h); }
.lead { font-size: var(--fs-lead); font-weight: 300; line-height: 1.35; }
.section--dark .lead, .section--dark p { color: rgba(236,230,219,0.78); }

/* ---------------- layout ---------------- */
.section {
  position: relative;
  padding: var(--sec-y) var(--pad-x);
  z-index: 2;
}
.section--dark {
  --bg: var(--espresso);
  --text: var(--bone);
  --muted: rgba(236,230,219,0.6);
  --hair: var(--line-d);
  background: var(--espresso);
  color: var(--bone);
}
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
}
.grid--reverse > *:first-child { order: 2; }
@media (max-width: 860px) {
  .grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .grid--reverse > *:first-child { order: 0; }
}

/* ============================================================
   WEBGL CANVAS — fixed centerpiece behind overlay
   ============================================================ */
.webgl {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  display: block;
}
/* seamless studio gradient fallback (also shows under canvas) */
.webgl-fallback {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(120% 90% at 50% 18%, #f3ede2 0%, #e7dfd1 38%, #d6c8b2 72%, #b9a382 100%);
}
body.webgl-failed .webgl { display: none; }
body.webgl-failed .webgl-fallback {
  z-index: 1;
  background:
    radial-gradient(110% 80% at 50% 22%, #f3ede2 0%, #ddd2bd 45%, #b89a73 78%, #7a5d3e 100%);
}

/* ============================================================
   PRELOADER
   ============================================================ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--espresso);
  color: var(--bone);
  display: grid;
  place-items: center;
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.preloader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.preloader__inner { text-align: center; width: min(80vw, 420px); }
.preloader__wordmark {
  font-family: "Fraunces", serif;
  font-size: clamp(2.5rem, 8vw, 5rem);
  letter-spacing: 0.18em;
  padding-left: 0.18em;
}
.preloader__line {
  height: 1px;
  background: var(--line-d);
  margin: 1.6rem 0 0.9rem;
  overflow: hidden;
}
.preloader__line-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--gold);
  transition: width 0.2s linear;
}
.preloader__count {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.3em;
  color: var(--gold-soft);
}
.preloader__pct { opacity: 0.6; }

/* ============================================================
   CUSTOM CURSOR
   ============================================================ */
.cursor { position: fixed; top: 0; left: 0; z-index: 90; pointer-events: none; mix-blend-mode: difference; }
.cursor__dot, .cursor__ring {
  position: absolute;
  top: 0; left: 0;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cursor__dot { width: 6px; height: 6px; background: var(--bone); }
.cursor__ring {
  width: 38px; height: 38px;
  border: 1px solid rgba(236,230,219,0.7);
  transition: width 0.15s var(--ease), height 0.15s var(--ease), opacity 0.15s;
}
.cursor.is-hover .cursor__ring { width: 58px; height: 58px; }
.cursor.is-hover .cursor__dot { opacity: 0; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1rem, 2.4vw, 1.8rem) var(--pad-x);
  mix-blend-mode: difference;
  color: #fff;
  transition: transform 0.5s var(--ease);
}
.nav.is-hidden { transform: translateY(-110%); }
.nav__brand {
  font-family: "Fraunces", serif;
  font-size: 1.5rem;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
}
.nav__links { display: flex; gap: clamp(1.4rem, 3vw, 2.8rem); }
.nav__links a, .nav__cta {
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav__cta {
  border: 1px solid currentColor;
  padding: 0.7em 1.3em;
  border-radius: 100px;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.nav__cta:hover { background: #fff; color: #000; }
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: none;
  padding: 6px;
}
.nav__burger span { width: 26px; height: 1.5px; background: currentColor; transition: transform 0.4s var(--ease), opacity 0.3s; }
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(3.75px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { transform: translateY(-3.75px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav { mix-blend-mode: normal; color: var(--espresso); }
  .nav__links, .nav__cta { display: none; }
  .nav__burger { display: flex; }
  .nav.is-open { color: var(--bone); }
}

/* ---------- link wipe underline ---------- */
.link-wipe { position: relative; }
.link-wipe::after {
  content: "";
  position: absolute;
  left: 0; bottom: -3px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.link-wipe:hover::after { transform: scaleX(1); transform-origin: left; }

/* ============================================================
   MOBILE MENU OVERLAY
   ============================================================ */
.menu {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--espresso);
  color: var(--bone);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--pad-x);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 0.7s var(--ease);
  pointer-events: none;
}
.menu.is-open { clip-path: inset(0 0 0% 0); pointer-events: auto; }
.menu__links { display: flex; flex-direction: column; gap: 0.4rem; }
.menu__links a {
  font-family: "Fraunces", serif;
  font-size: clamp(2.2rem, 10vw, 3.4rem);
  overflow: hidden;
  display: block;
}
.menu__links a span {
  display: inline-block;
  transform: translateY(110%);
  transition: transform 0.6s var(--ease);
}
.menu.is-open .menu__links a span { transform: translateY(0); }
.menu.is-open .menu__links a:nth-child(1) span { transition-delay: 0.12s; }
.menu.is-open .menu__links a:nth-child(2) span { transition-delay: 0.18s; }
.menu.is-open .menu__links a:nth-child(3) span { transition-delay: 0.24s; }
.menu.is-open .menu__links a:nth-child(4) span { transition-delay: 0.30s; }
.menu.is-open .menu__links a:nth-child(5) span { transition-delay: 0.36s; }
.menu__foot { margin-top: 3rem; font-size: var(--fs-eyebrow); letter-spacing: 0.18em; color: var(--gold-soft); text-transform: uppercase; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 var(--pad-x);
  z-index: 2;
}
.hero__inner { position: relative; }
.hero .eyebrow { margin-bottom: clamp(1rem, 3vw, 2.2rem); color: var(--cognac); }
.hero__title {
  font-size: var(--fs-hero);
  letter-spacing: 0.04em;
  line-height: 0.86;
  color: var(--espresso);
  mix-blend-mode: multiply;
}
.hero__lede {
  font-family: "Fraunces", serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.4rem, 1rem + 2vw, 2.6rem);
  color: var(--cognac);
  margin-top: clamp(0.5rem, 2vw, 1.5rem);
}
.hero__sub { max-width: 40ch; margin: 1.6rem auto 0; color: var(--muted); }
.hero__scroll {
  position: absolute;
  bottom: clamp(1.5rem, 4vh, 3rem);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero__scroll-line { width: 1px; height: 48px; background: var(--cognac); transform-origin: top; animation: scrollPulse 2.4s var(--ease) infinite; }
@keyframes scrollPulse { 0%,100% { transform: scaleY(0.3); opacity: 0.4; } 50% { transform: scaleY(1); opacity: 1; } }

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.philosophy { background: transparent; }
.philosophy .grid { grid-template-columns: 0.35fr 0.65fr; align-items: start; }
.philosophy__body > * + * { margin-top: 1.4rem; }
.philosophy__body .h-lg { margin-bottom: 2rem; max-width: 16ch; }
@media (max-width: 860px) { .philosophy .grid { grid-template-columns: 1fr; } }

/* ============================================================
   THE FRAME
   ============================================================ */
.frame__intro > * + * { margin-top: 1.4rem; }
.frame__media {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border-radius: 2px;
}
.frame__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.frame__media:hover img { transform: scale(1.04); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: clamp(3.5rem, 8vw, 6rem);
  padding-top: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--hair);
}
.stat { display: flex; flex-direction: column; gap: 0.6rem; }
.stat__num { font-family: "Fraunces", serif; font-size: var(--fs-stat); line-height: 1; color: var(--gold); }
.stat__label { font-size: var(--fs-eyebrow); letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); max-width: 18ch; }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   THE LENSES
   ============================================================ */
.lenses__body > * + * { margin-top: 1.4rem; }
.lenses__media { aspect-ratio: 4 / 5; overflow: hidden; border-radius: 2px; }
.lenses__media img { width: 100%; height: 100%; object-fit: cover; }
.spec { list-style: none; margin-top: 2rem; border-top: 1px solid var(--hair); }
.spec li {
  display: flex;
  align-items: baseline;
  gap: 1.2rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--hair);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.spec li span {
  font-family: "Fraunces", serif;
  font-size: 1.5rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--cognac);
  min-width: 4ch;
}

/* ============================================================
   COLLECTION
   ============================================================ */
.collection__head { margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.collection__head .eyebrow { margin-bottom: 1.2rem; }
.collection__head .h-lg { max-width: 14ch; }
.collection__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2.5vw, 2rem);
}
@media (max-width: 980px) { .collection__grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .collection__grid { grid-template-columns: 1fr; } }
.card { display: flex; flex-direction: column; }
.card__media { aspect-ratio: 4 / 5; overflow: hidden; border-radius: 2px; margin-bottom: 1.2rem; }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.card:hover .card__media img { transform: scale(1.05); }
.card__body h3 { font-size: 1.7rem; margin-bottom: 0.5rem; }
.card__body p { font-size: 0.95rem; color: rgba(236,230,219,0.72); }
.card__meta { display: inline-block; margin-top: 0.9rem; font-size: var(--fs-eyebrow); letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); }

/* ============================================================
   ACQUIRE / FORM
   ============================================================ */
.acquire .grid { align-items: start; }
.acquire__intro > * + * { margin-top: 1.4rem; }
.acquire__contact { font-family: "Fraunces", serif; font-style: italic; color: var(--cognac); font-size: 1.25rem; }
.acquire__form { display: flex; flex-direction: column; gap: 1.6rem; }
.field { position: relative; }
.field input, .field select, .field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--hair);
  padding: 0.9rem 0;
  font-family: inherit;
  font-size: 1.05rem;
  color: var(--text);
  cursor: none;
}
.field textarea { resize: vertical; }
.field select { color: var(--text); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-bottom-color: var(--gold);
}
.field label {
  position: absolute;
  left: 0; top: 0.9rem;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  pointer-events: none;
  transition: transform 0.35s var(--ease), color 0.35s var(--ease);
}
.field input:focus + label,
.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,
.field textarea:not(:placeholder-shown) + label,
.field select:focus + label,
.field select:valid + label {
  transform: translateY(-1.5rem) scale(0.86);
  color: var(--cognac);
}
.btn {
  align-self: flex-start;
  margin-top: 0.6rem;
  background: var(--espresso);
  color: var(--bone);
  border: 1px solid var(--espresso);
  padding: 1em 2.2em;
  border-radius: 100px;
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: none;
  transition: background 0.4s var(--ease), color 0.4s var(--ease);
}
.btn:hover { background: var(--gold); border-color: var(--gold); color: var(--espresso); }
.acquire__ok { color: var(--cognac); font-style: italic; font-family: "Fraunces", serif; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { padding: var(--sec-y) var(--pad-x) clamp(2rem, 4vw, 3rem); }
.footer__top { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 0.6rem; padding-bottom: clamp(3rem, 7vw, 5rem); border-bottom: 1px solid var(--hair); }
.footer__brand { font-family: "Fraunces", serif; font-size: clamp(3rem, 14vw, 9rem); letter-spacing: 0.08em; padding-left: 0.08em; }
.footer__tag { font-family: "Fraunces", serif; font-style: italic; color: var(--gold); }
.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}
.footer__cols h4 { font-size: var(--fs-eyebrow); letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.2rem; font-family: "Jost", sans-serif; font-weight: 400; }
.footer__cols a, .footer__addr { display: block; font-size: 0.95rem; color: rgba(236,230,219,0.72); margin-bottom: 0.6rem; }
.footer__base {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hair);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (max-width: 640px) { .footer__cols { grid-template-columns: 1fr 1fr; } }

/* ============================================================
   IMG FAILSAFE
   ============================================================ */
.img-fail { background: linear-gradient(135deg, var(--cognac), var(--gold) 60%, var(--bone-2)) !important; }
.img-fail img { display: none; }

/* ============================================================
   REVEAL / SPLIT (JS-driven, with safe defaults)
   ============================================================ */
[data-reveal] { opacity: 0; transform: translateY(28px); }
.split .line { overflow: hidden; display: block; }
.split .line > span { display: inline-block; }
body.fonts-ready [data-reveal] { /* GSAP takes over once ready */ }

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .hero__scroll-line { animation: none; }
}