/* =========================================================
   Karat-Boutique — Luxury Gemstone Brand
   Premium dark theme · Gold · Black · White · Soft Beige
   ========================================================= */

/* ---------- Root tokens ---------- */
:root {
  --black: #0a0a0a;
  --black-2: #111111;
  --black-3: #161616;
  --beige: #d8c9aa;
  --beige-soft: #efe6d2;
  --white: #f7f4ee;
  --muted: #9a9388;
  --gold: #d4af37;
  --gold-2: #f1d57a;
  --gold-3: #b8862a;
  --line: rgba(212, 175, 55, 0.18);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.55);
  --shadow-gold: 0 10px 40px rgba(212, 175, 55, 0.18);
  --grad-gold: linear-gradient(135deg, #f1d57a 0%, #d4af37 45%, #b8862a 100%);
  --grad-dark: linear-gradient(180deg, rgba(10,10,10,0.2) 0%, rgba(10,10,10,0.85) 100%);
  --radius: 14px;
  --container: 1240px;
  --serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --sans: 'Jost', 'Inter', system-ui, -apple-system, sans-serif;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  background: var(--black);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: color .3s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0.5px;
  line-height: 1.15;
  color: var(--white);
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
.eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.2rem;
}
.eyebrow::before {
  content: ""; display: inline-block;
  width: 30px; height: 1px; background: var(--gold);
  vertical-align: middle; margin-right: 12px;
}

/* ---------- Layout helpers ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 2rem; }
.section { padding: 7rem 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 4rem; }
.section-head p { color: var(--muted); margin-top: 1rem; }
.text-gold { color: var(--gold); }
.divider { height: 1px; width: 80px; background: var(--grad-gold); margin: 1.5rem auto; }

/* ---------- Loader ---------- */
.loader {
  position: fixed; inset: 0; background: var(--black);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity .8s ease, visibility .8s ease;
}
.loader.hidden { opacity: 0; visibility: hidden; }
.loader-mark {
  font-family: var(--serif); font-size: 2.5rem;
  background: var(--grad-gold); -webkit-background-clip: text;
  background-clip: text; color: transparent;
  letter-spacing: 4px; animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100; padding: 1.4rem 0;
  transition: all .4s ease;
  background: rgba(10, 10, 10, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  padding: 0.9rem 0;
  background: rgba(10, 10, 10, 0.85);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--container); margin: 0 auto; padding: 0 2rem;
}
.logo {
  font-family: var(--serif); font-size: 1.7rem; font-weight: 600;
  letter-spacing: 2px; display: flex; align-items: center; gap: .6rem;
}
.logo .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--grad-gold); box-shadow: 0 0 12px var(--gold);
}
.logo span.brand {
  background: var(--grad-gold); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.nav-links { display: flex; gap: 2.4rem; align-items: center; }
.nav-links a {
  font-size: 0.85rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--white); position: relative; padding: 6px 0;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 1px; background: var(--gold);
  transition: width .35s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--gold); }

.menu-toggle {
  display: none; width: 32px; height: 24px; position: relative; z-index: 110;
}
.menu-toggle span {
  position: absolute; left: 0; height: 2px; width: 100%;
  background: var(--gold); transition: all .35s ease;
}
.menu-toggle span:nth-child(1) { top: 4px; }
.menu-toggle span:nth-child(2) { top: 11px; width: 70%; }
.menu-toggle span:nth-child(3) { top: 18px; }
.menu-toggle.open span:nth-child(1) { top: 11px; transform: rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { top: 11px; transform: rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .7rem;
  padding: 1rem 2.2rem; font-size: 0.78rem; letter-spacing: 3px;
  text-transform: uppercase; border-radius: 2px;
  position: relative; overflow: hidden; transition: all .4s ease;
  font-weight: 500;
}
.btn-primary {
  background: var(--grad-gold); color: var(--black);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 50px rgba(212,175,55,0.35); }
.btn-primary i { transition: transform .35s ease; }
.btn-primary:hover i { transform: translateX(4px); }
.btn-ghost {
  border: 1px solid var(--gold); color: var(--gold); background: transparent;
}
.btn-ghost:hover { background: var(--gold); color: var(--black); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: linear-gradient(115deg, rgba(10,10,10,.85) 0%, rgba(10,10,10,.55) 60%, rgba(10,10,10,.85) 100%),
              url('images/hero.jpg') center/cover no-repeat;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(212,175,55,0.15), transparent 55%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; }
.hero h1 {
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: italic; font-weight: 400;
  background: var(--grad-gold); -webkit-background-clip: text;
  background-clip: text; color: transparent;
}
.hero p {
  color: var(--beige); font-size: 1.1rem; max-width: 540px;
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.scroll-cue {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  color: var(--gold); font-size: .7rem; letter-spacing: 3px; text-transform: uppercase;
  opacity: .8;
}
.scroll-cue::after {
  content: ""; display: block; width: 1px; height: 40px;
  background: var(--gold); margin: .8rem auto 0;
  animation: line 2s ease-in-out infinite;
}
@keyframes line { 0%,100% { transform: scaleY(.4); transform-origin: top; } 50% { transform: scaleY(1); } }

/* Inner page hero (smaller) */
.subhero {
  min-height: 60vh; padding-top: 8rem;
  background: linear-gradient(180deg, rgba(10,10,10,.85), rgba(10,10,10,.7)),
              url('images/gems.jpg') center/cover no-repeat;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
}
.subhero h1 { max-width: 800px; margin: 0 auto; }
.subhero p { color: var(--beige); margin-top: 1rem; max-width: 600px; }
.crumbs { margin-top: 1.4rem; font-size: .75rem; letter-spacing: 3px; text-transform: uppercase; color: var(--muted); }
.crumbs a:hover { color: var(--gold); }

/* ---------- Brand intro ---------- */
.intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center;
}
.intro-img {
  position: relative; aspect-ratio: 4/5; overflow: hidden; border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.intro-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s ease; }
.intro-img:hover img { transform: scale(1.06); }
.intro-img::before {
  content: ""; position: absolute; inset: 0; border: 1px solid var(--line);
  border-radius: var(--radius); pointer-events: none; z-index: 2;
}
.intro h2 { margin-bottom: 1.5rem; }
.intro p { color: var(--muted); margin-bottom: 1rem; }

/* ---------- Collections cards ---------- */
.cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem;
}
.card {
  position: relative; aspect-ratio: 3/4; overflow: hidden;
  border-radius: var(--radius); cursor: pointer;
  background: var(--black-2);
}
.card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1s ease, filter .8s ease;
  filter: brightness(.85);
}
.card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(10,10,10,.92) 100%);
  pointer-events: none;
}
.card-body {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 1.8rem;
  z-index: 2; transition: transform .5s ease;
}
.card-body h3 { margin-bottom: .4rem; }
.card-body span {
  font-size: .7rem; letter-spacing: 3px; text-transform: uppercase; color: var(--gold);
}
.card-body p { color: var(--beige); font-size: .9rem; opacity: 0; transform: translateY(10px); transition: all .5s ease; }
.card:hover img { transform: scale(1.08); filter: brightness(1); }
.card:hover .card-body p { opacity: 1; transform: translateY(0); }
.card-corner {
  position: absolute; top: 1.2rem; right: 1.2rem; z-index: 2;
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(10,10,10,0.6); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); border: 1px solid var(--line);
  transition: all .4s ease;
}
.card:hover .card-corner { background: var(--gold); color: var(--black); transform: rotate(45deg); }

/* ---------- Why ---------- */
.why { background: var(--black-2); }
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
}
.feature {
  padding: 2.4rem 1.8rem; border: 1px solid var(--line);
  border-radius: var(--radius); text-align: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
  transition: all .5s ease;
}
.feature:hover {
  transform: translateY(-6px); border-color: var(--gold);
  box-shadow: var(--shadow-gold);
}
.feature .ico {
  width: 60px; height: 60px; margin: 0 auto 1.4rem;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--grad-gold); color: var(--black); font-size: 1.4rem;
}
.feature h3 { font-size: 1.2rem; margin-bottom: .6rem; }
.feature p { color: var(--muted); font-size: .92rem; }

/* ---------- Showcase strip ---------- */
.showcase {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 1rem; height: 560px;
}
.showcase > div {
  position: relative; overflow: hidden; border-radius: var(--radius);
}
.showcase img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s ease; }
.showcase > div:hover img { transform: scale(1.07); }
.showcase .stack { display: grid; grid-template-rows: 1fr 1fr; gap: 1rem; }
.showcase .stack > div { position: relative; overflow: hidden; border-radius: var(--radius); }

/* ---------- Testimonials ---------- */
.tests { background: var(--black-2); }
.test-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.test {
  padding: 2.4rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(10px); transition: transform .4s ease;
}
.test:hover { transform: translateY(-4px); border-color: var(--gold); }
.test .stars { color: var(--gold); margin-bottom: 1rem; letter-spacing: 4px; }
.test p { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--white); margin-bottom: 1.5rem; }
.test .who { display: flex; align-items: center; gap: .9rem; }
.test .avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--grad-gold); display: flex; align-items: center; justify-content: center;
  color: var(--black); font-weight: 600; font-family: var(--serif);
}
.test .who h4 { font-size: .95rem; font-family: var(--sans); font-weight: 500; }
.test .who span { font-size: .78rem; color: var(--muted); letter-spacing: 1px; }

/* ---------- Newsletter ---------- */
.newsletter {
  background: linear-gradient(115deg, rgba(212,175,55,0.08), rgba(0,0,0,0)),
              var(--black);
  text-align: center;
}
.news-card {
  max-width: 720px; margin: 0 auto; padding: 4rem 2rem;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,0.02); backdrop-filter: blur(14px);
}
.news-card h2 { margin-bottom: 1rem; }
.news-card p { color: var(--muted); margin-bottom: 2rem; }
.news-form { display: flex; gap: .6rem; max-width: 480px; margin: 0 auto; }
.news-form input {
  flex: 1; padding: 1rem 1.2rem; background: rgba(0,0,0,.4);
  border: 1px solid var(--line); border-radius: 2px; color: var(--white);
  font-size: .9rem; outline: none; transition: border-color .3s;
}
.news-form input:focus { border-color: var(--gold); }
.news-form button { padding: 1rem 1.6rem; }

/* ---------- Social grid ---------- */
.social-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: .6rem;
}
.social-grid a {
  position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 6px;
  background: var(--black-2);
}
.social-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.social-grid a::after {
  content: "\f16d"; font-family: "Font Awesome 6 Brands";
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(10,10,10,0.7); color: var(--gold); font-size: 1.6rem;
  opacity: 0; transition: opacity .4s ease;
}
.social-grid a:hover::after { opacity: 1; }
.social-grid a:hover img { transform: scale(1.15); }

/* ---------- Footer ---------- */
.footer {
  background: #050505; padding: 5rem 0 2rem; border-top: 1px solid var(--line);
}
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 3rem; margin-bottom: 3rem; }
.foot h4 { font-family: var(--sans); font-size: .85rem; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 1.4rem; }
.foot p, .foot a { color: var(--muted); font-size: .92rem; }
.foot a:hover { color: var(--gold); }
.foot ul li { margin-bottom: .7rem; }
.foot .logo { margin-bottom: 1.2rem; font-size: 1.5rem; }
.socials { display: flex; gap: .8rem; margin-top: 1rem; }
.socials a {
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  color: var(--gold); transition: all .35s ease;
}
.socials a:hover { background: var(--gold); color: var(--black); border-color: var(--gold); transform: translateY(-3px); }
.foot-bottom {
  border-top: 1px solid var(--line); padding-top: 2rem;
  display: flex; justify-content: space-between; align-items: center;
  font-size: .82rem; color: var(--muted); flex-wrap: wrap; gap: 1rem;
}

/* ---------- Filters (collections page) ---------- */
.filters { display: flex; justify-content: center; gap: .6rem; flex-wrap: wrap; margin-bottom: 3rem; }
.filter-btn {
  padding: .7rem 1.6rem; border: 1px solid var(--line); border-radius: 2px;
  font-size: .75rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--muted); transition: all .35s ease;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--grad-gold); color: var(--black); border-color: transparent;
}

/* ---------- Gallery (masonry) ---------- */
.masonry {
  column-count: 3; column-gap: 1rem;
}
.masonry-item {
  break-inside: avoid; margin-bottom: 1rem; overflow: hidden;
  border-radius: var(--radius); position: relative; cursor: zoom-in;
}
.masonry-item img { width: 100%; height: auto; display: block; transition: transform 1s ease; filter: brightness(.85); }
.masonry-item:hover img { transform: scale(1.05); filter: brightness(1); }
.masonry-item::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.7));
  opacity: 0; transition: opacity .4s;
}
.masonry-item:hover::after { opacity: 1; }

/* ---------- About specifics ---------- */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.value {
  padding: 2.4rem; border: 1px solid var(--line); border-radius: var(--radius);
  transition: all .5s ease;
}
.value:hover { border-color: var(--gold); transform: translateY(-4px); }
.value .num {
  font-family: var(--serif); font-size: 2.4rem;
  background: var(--grad-gold); -webkit-background-clip: text;
  background-clip: text; color: transparent;
  margin-bottom: 1rem;
}
.value h3 { margin-bottom: .6rem; }
.value p { color: var(--muted); }

.timeline { max-width: 760px; margin: 0 auto; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 80px; top: 0; bottom: 0;
  width: 1px; background: var(--line);
}
.tl-item { display: grid; grid-template-columns: 80px 1fr; gap: 2rem; margin-bottom: 3rem; position: relative; }
.tl-year { font-family: var(--serif); font-size: 1.4rem; color: var(--gold); }
.tl-content { padding-left: 2rem; position: relative; }
.tl-content::before {
  content: ""; position: absolute; left: -6px; top: 8px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--grad-gold);
  box-shadow: 0 0 0 4px rgba(212,175,55,0.15);
}
.tl-content h3 { margin-bottom: .4rem; font-size: 1.2rem; }
.tl-content p { color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.contact-info .info-item {
  display: flex; gap: 1.2rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line);
}
.contact-info .info-item:last-child { border-bottom: none; }
.contact-info .ico {
  width: 48px; height: 48px; flex-shrink: 0;
  border-radius: 50%; background: rgba(212,175,55,0.1);
  border: 1px solid var(--line); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
}
.contact-info h4 { font-family: var(--sans); font-size: .8rem; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: .4rem; }
.contact-info p { color: var(--white); }
.contact-info span { color: var(--muted); font-size: .9rem; }

.contact-form {
  padding: 2.5rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(255,255,255,0.02); backdrop-filter: blur(14px);
}
.contact-form h3 { margin-bottom: 1.5rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 1rem; background: rgba(0,0,0,0.3);
  border: 1px solid var(--line); border-radius: 2px; color: var(--white);
  font-family: var(--sans); font-size: .92rem; outline: none; transition: border-color .3s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--gold); }
.contact-form textarea { min-height: 140px; margin-bottom: 1.5rem; resize: vertical; }

.map {
  height: 380px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); position: relative;
  background: linear-gradient(135deg, var(--black-2), var(--black-3));
  display: flex; align-items: center; justify-content: center;
  margin-top: 4rem;
}
.map::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(212,175,55,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,175,55,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.map .pin {
  position: relative; z-index: 2; text-align: center;
}
.map .pin i { font-size: 2.6rem; color: var(--gold); animation: bounce 2s ease infinite; }
.map .pin p { color: var(--beige); margin-top: .8rem; letter-spacing: 2px; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.hours {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem 2rem;
  padding: 2rem; border: 1px solid var(--line); border-radius: var(--radius);
  margin-top: 2rem;
}
.hours div { display: flex; justify-content: space-between; padding: .6rem 0; border-bottom: 1px solid rgba(255,255,255,0.04); }
.hours strong { color: var(--white); font-weight: 500; }
.hours span { color: var(--muted); font-size: .9rem; }

/* ---------- Modal ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,0.85);
  backdrop-filter: blur(8px); display: none;
  align-items: center; justify-content: center; z-index: 200;
  padding: 2rem; opacity: 0; transition: opacity .4s ease;
}
.modal.show { display: flex; opacity: 1; }
.modal-card {
  max-width: 480px; width: 100%; padding: 3rem 2.5rem;
  background: var(--black-2); border: 1px solid var(--gold);
  border-radius: var(--radius); text-align: center; position: relative;
  transform: scale(.95); transition: transform .4s ease;
}
.modal.show .modal-card { transform: scale(1); }
.modal-close {
  position: absolute; top: 1rem; right: 1.2rem; font-size: 1.4rem; color: var(--muted);
}
.modal-close:hover { color: var(--gold); }
.modal h3 { margin-bottom: .8rem; font-size: 1.8rem; }
.modal p { color: var(--muted); margin-bottom: 1.6rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 1s ease, transform 1s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Hide elements helper */
.hide { display: none !important; }