/* ============================================================
   AURUMA – Main Stylesheet
   Stack: custom properties + BEM + mobile-first
============================================================ */

/* --- Variables ----------------------------------------- */
:root {
  --gold:   #C09451;
  --black:  #000000;
  --white:  #FFFFFF;
  --off-black: #0a0a0a;
  --dark:   #111111;
  --muted:  #888888;
  --border: rgba(192,148,81,.2);

  --font-serif:  'Cormorant Garamond', Georgia, serif;
  --font-sans:   'Montserrat', sans-serif;

  --ease:     cubic-bezier(.4,0,.2,1);
  --ease-out: cubic-bezier(0,0,.2,1);
  --trans:    .45s var(--ease);
}

/* --- Reset --------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
ul { list-style: none; }

/* --- Typography ---------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: .04em;
  line-height: 1.15;
}
h1 { font-size: clamp(3rem, 8vw, 8rem); }
h2 { font-size: clamp(2rem, 5vw, 4.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: 1.25rem; }

p { font-size: clamp(.875rem, 1vw, 1rem); color: rgba(255,255,255,.7); }

/* --- Utility ------------------------------------------- */
.container { width: min(90%, 1200px); margin: 0 auto; }
.section-gap { padding: clamp(5rem, 10vw, 10rem) 0; }
.gold { color: var(--gold); }
.text-center { text-align: center; }

/* --- Gold divider -------------------------------------- */
.gold-line {
  width: 60px; height: 1px;
  background: var(--gold);
  margin: 2rem auto;
  opacity: .7;
}

/* ============================================================
   NAVIGATION
============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 1.5rem 0;
  transition: background var(--trans), padding var(--trans);
}
.nav.scrolled {
  background: rgba(0,0,0,.92);
  backdrop-filter: blur(12px);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  display: flex; align-items: center; justify-content: space-between;
  width: min(92%, 1200px); margin: 0 auto;
}
.nav__logo img { height: 36px; }
.nav__links {
  display: flex; gap: 2.5rem; align-items: center;
}
.nav__links a {
  font-size: .75rem; letter-spacing: .2em; text-transform: uppercase;
  font-family: var(--font-sans); font-weight: 400;
  color: rgba(255,255,255,.7);
  transition: color var(--trans);
}
.nav__links a:hover { color: var(--gold); }
.nav__toggle {
  display: none; flex-direction: column; gap: 5px; padding: 4px;
}
.nav__toggle span {
  display: block; width: 24px; height: 1px;
  background: var(--white); transition: transform var(--trans), opacity var(--trans);
}

/* ============================================================
   HERO
============================================================ */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background: var(--black);
}
.hero__bg img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: .35; transform: scale(1.05);
  transition: transform 8s var(--ease-out);
}
.hero.loaded .hero__bg img { transform: scale(1); }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,.1) 0%, rgba(0,0,0,.6) 100%);
}
.hero__content {
  position: relative; z-index: 2;
  text-align: center; padding: 0 1.5rem;
}
.hero__eyebrow {
  font-size: .7rem; letter-spacing: .4em; text-transform: uppercase;
  color: var(--gold); font-family: var(--font-sans); font-weight: 400;
  margin-bottom: 1.5rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .8s var(--ease-out) .3s forwards;
}
.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(4rem, 12vw, 11rem);
  font-weight: 300; letter-spacing: .1em;
  line-height: 1;
  opacity: 0; transform: translateY(30px);
  animation: fadeUp 1s var(--ease-out) .5s forwards;
}
.hero__sub {
  margin-top: 1.5rem;
  font-size: clamp(.8rem, 1.5vw, 1rem);
  letter-spacing: .3em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .8s var(--ease-out) .9s forwards;
}
.hero__cta {
  margin-top: 3rem;
  opacity: 0; transform: translateY(20px);
  animation: fadeUp .8s var(--ease-out) 1.1s forwards;
}
.btn-ghost {
  display: inline-block;
  padding: .9rem 2.5rem;
  border: 1px solid rgba(192,148,81,.5);
  font-size: .7rem; letter-spacing: .25em; text-transform: uppercase;
  font-family: var(--font-sans); font-weight: 400;
  color: var(--gold);
  transition: background var(--trans), border-color var(--trans), color var(--trans);
}
.btn-ghost:hover {
  background: var(--gold); color: var(--black); border-color: var(--gold);
}
.btn-solid {
  display: inline-block;
  padding: .9rem 2.5rem;
  background: var(--gold); color: var(--black);
  font-size: .7rem; letter-spacing: .25em; text-transform: uppercase;
  font-family: var(--font-sans); font-weight: 500;
  transition: opacity var(--trans);
}
.btn-solid:hover { opacity: .85; }

.hero__scroll {
  position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  font-size: .6rem; letter-spacing: .25em; text-transform: uppercase;
  color: rgba(255,255,255,.35); z-index: 2;
}
.hero__scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: scrollLine 2s var(--ease-out) infinite;
}

/* ============================================================
   MARQUEE BAND
============================================================ */
.marquee-band {
  background: var(--gold); color: var(--black); overflow: hidden;
  padding: .85rem 0;
}
.marquee-track {
  display: flex; white-space: nowrap;
  animation: marqueeScroll 30s linear infinite;
}
.marquee-track span {
  font-size: .65rem; letter-spacing: .3em; text-transform: uppercase;
  font-family: var(--font-sans); font-weight: 500;
  padding: 0 3rem;
}

/* ============================================================
   ABOUT SECTION
============================================================ */
.about {
  background: var(--off-black);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}
.about__label {
  font-size: .65rem; letter-spacing: .35em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem; font-family: var(--font-sans);
}
.about__title { margin-bottom: 1.5rem; }
.about__text { font-size: clamp(.875rem, 1.2vw, 1.05rem); line-height: 1.9; margin-bottom: 1.25rem; }
.about__pillars {
  display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem;
}
.about__pillar {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.25rem; border: 1px solid var(--border);
}
.about__pillar-num {
  font-family: var(--font-serif); font-size: 1.5rem; color: var(--gold); line-height: 1;
  min-width: 2rem;
}
.about__pillar-text strong {
  display: block; font-family: var(--font-serif); font-size: 1.1rem; margin-bottom: .25rem; color: var(--white);
}
.about__pillar-text p { font-size: .85rem; }

.about__visual {
  position: relative;
}
.about__img {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
  filter: grayscale(20%) contrast(1.05);
}
.about__img-frame {
  position: absolute; bottom: -1.5rem; right: -1.5rem;
  width: 60%; height: 60%;
  border: 1px solid rgba(192,148,81,.3);
  pointer-events: none;
}

/* ============================================================
   COLLECTION SECTION
============================================================ */
.collection {
  background: var(--black);
}
.section-header { text-align: center; margin-bottom: 5rem; }
.section-header__label {
  font-size: .65rem; letter-spacing: .35em; text-transform: uppercase;
  color: var(--gold); font-family: var(--font-sans);
}
.section-header__title { margin-top: .75rem; }
.collection__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: 2px;
}
.product-card {
  position: relative; overflow: hidden; cursor: pointer;
  background: var(--dark);
}
.product-card__img {
  width: 100%; aspect-ratio: 3/4; object-fit: cover;
  transition: transform .8s var(--ease), filter .8s var(--ease);
  filter: grayscale(30%);
}
.product-card:hover .product-card__img {
  transform: scale(1.06); filter: grayscale(0%);
}
.product-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.9) 0%, rgba(0,0,0,.2) 50%, transparent 100%);
  transition: opacity var(--trans);
}
.product-card__body {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 2rem 1.75rem;
}
.product-card__number {
  font-family: var(--font-serif); font-size: 2rem; font-weight: 300;
  color: var(--gold); display: block; letter-spacing: .05em;
}
.product-card__tagline {
  font-size: .8rem; color: rgba(255,255,255,.6); margin-top: .35rem;
  letter-spacing: .05em;
}
.product-card__badge {
  position: absolute; top: 1.25rem; right: 1.25rem;
  font-size: .6rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); border: 1px solid rgba(192,148,81,.4);
  padding: .3rem .75rem;
}
.product-card__cta {
  display: block; margin-top: 1rem;
  font-size: .65rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold);
  opacity: 0; transform: translateY(8px);
  transition: opacity var(--trans), transform var(--trans);
}
.product-card:hover .product-card__cta { opacity: 1; transform: translateY(0); }

/* ============================================================
   SINGLE PRODUCT PAGE
============================================================ */
.product-page { padding-top: 120px; }
.product-page__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
}
.product-gallery__main {
  width: 100%; aspect-ratio: 4/5; object-fit: cover;
}
.product-gallery__thumbs {
  display: flex; gap: .75rem; margin-top: .75rem; overflow-x: auto;
}
.product-gallery__thumb {
  width: 80px; height: 80px; object-fit: cover; cursor: pointer;
  opacity: .5; transition: opacity var(--trans);
  flex-shrink: 0;
}
.product-gallery__thumb.active { opacity: 1; border: 1px solid var(--gold); }
.product-detail__label { font-size: .65rem; letter-spacing: .35em; text-transform: uppercase; color: var(--gold); }
.product-detail__number { margin-top: .5rem; }
.product-detail__tagline { font-size: 1.1rem; color: rgba(255,255,255,.6); margin-top: .5rem; font-family: var(--font-serif); font-style: italic; }
.product-detail__desc { margin-top: 2rem; line-height: 2; }
.product-detail__price {
  margin-top: 2rem; font-family: var(--font-serif);
  font-size: 2rem; color: var(--gold);
}
.product-detail__actions { margin-top: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }

/* ============================================================
   CART
============================================================ */
.cart-page { padding-top: 140px; min-height: 60vh; }
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th, .cart-table td {
  padding: 1.25rem 1rem; border-bottom: 1px solid var(--border);
  text-align: left; font-size: .875rem;
}
.cart-table th { font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.cart-table img { width: 60px; height: 60px; object-fit: cover; }
.cart-qty { display: flex; align-items: center; gap: .75rem; }
.cart-qty button {
  width: 28px; height: 28px; border: 1px solid var(--border);
  font-size: 1.1rem; color: var(--white); display: flex; align-items: center; justify-content: center;
}
.cart-total {
  text-align: right; padding: 2rem 0;
  font-family: var(--font-serif); font-size: 1.5rem;
  color: var(--gold);
}

/* ============================================================
   ACCESS / CONTACT SECTION
============================================================ */
.access {
  background: var(--off-black);
  text-align: center;
}
.access__text { max-width: 540px; margin: 0 auto 3rem; }
.access__form { max-width: 540px; margin: 0 auto; }
.form-field {
  position: relative; margin-bottom: 1.25rem;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%; background: transparent;
  border: none; border-bottom: 1px solid rgba(255,255,255,.2);
  padding: .9rem 0; color: var(--white);
  font-family: var(--font-sans); font-size: .875rem;
  outline: none; transition: border-color var(--trans);
  appearance: none;
}
.form-field input:focus,
.form-field textarea:focus { border-bottom-color: var(--gold); }
.form-field textarea { resize: vertical; min-height: 100px; }
.form-field label {
  position: absolute; top: .9rem; left: 0;
  font-size: .75rem; letter-spacing: .15em; text-transform: uppercase;
  color: rgba(255,255,255,.4);
  transition: top var(--trans), font-size var(--trans), color var(--trans);
  pointer-events: none;
}
.form-field input:focus + label,
.form-field input:not(:placeholder-shown) + label,
.form-field textarea:focus + label,
.form-field textarea:not(:placeholder-shown) + label {
  top: -.75rem; font-size: .6rem; color: var(--gold);
}
.form-msg { padding: .75rem 1rem; margin-bottom: 1rem; font-size: .875rem; }
.form-msg--success { border-left: 2px solid var(--gold); color: var(--gold); background: rgba(192,148,81,.08); }
.form-msg--error   { border-left: 2px solid #e55; color: #e55; background: rgba(220,80,80,.08); }

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: var(--off-black); border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer__inner {
  width: min(90%, 1200px); margin: 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 2rem;
  text-align: center;
}
.footer__name { font-family: var(--font-serif); font-size: 2.5rem; color: var(--white); letter-spacing: .15em; }
.footer__tagline { font-size: .65rem; letter-spacing: .35em; text-transform: uppercase; color: var(--gold); margin-top: .35rem; }
.footer__links { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; }
.footer__links a { font-size: .7rem; letter-spacing: .15em; text-transform: uppercase; color: rgba(255,255,255,.5); transition: color var(--trans); }
.footer__links a:hover { color: var(--gold); }
.footer__social { display: flex; gap: 1.25rem; }
.footer__social-link {
  width: 36px; height: 36px; border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: .6rem; letter-spacing: .05em;
  color: rgba(255,255,255,.5);
  transition: border-color var(--trans), color var(--trans);
}
.footer__social-link:hover { border-color: var(--gold); color: var(--gold); }
.footer__copy { font-size: .7rem; color: rgba(255,255,255,.3); }

/* ============================================================
   ANIMATIONS
============================================================ */
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@keyframes marqueeScroll {
  to { transform: translateX(-50%); }
}

.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   RESPONSIVE — tablet
============================================================ */
@media (min-width: 768px) {
  .about__grid { grid-template-columns: 1fr 1fr; }
  .product-page__inner { grid-template-columns: 1fr 1fr; }
  .about__pillars { flex-direction: row; }
}

/* ============================================================
   RESPONSIVE — mobile
============================================================ */
@media (max-width: 767px) {
  .nav__links {
    position: fixed; inset: 0; top: 70px;
    background: var(--black); flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3rem;
    transform: translateX(100%); transition: transform var(--trans);
    z-index: 999;
  }
  .nav__links.open { transform: translateX(0); }
  .nav__links a { font-size: .9rem; }
  .nav__toggle { display: flex; }
  .about__img-frame { display: none; }
  .product-detail__actions { flex-direction: column; }
  .cart-table { font-size: .8rem; }
}

/* ============================================================
   PAGE LOADER
============================================================ */
.loader {
  position: fixed; inset: 0; background: var(--black);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999; transition: opacity .6s var(--ease-out), visibility .6s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader__text {
  font-family: var(--font-serif); font-size: 2rem; letter-spacing: .3em;
  color: var(--gold); animation: pulse 1.5s ease infinite;
}
@keyframes pulse {
  0%,100% { opacity: .4; } 50% { opacity: 1; }
}