*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #111111;
  --white: #ffffff;
  --gray-light: #f4f4f2;
  --gray-mid: #e0e0de;
  --gray-text: #888888;
  --font: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

html { font-size: 16px; }
body { font-family: var(--font); color: var(--black); background: var(--white); -webkit-font-smoothing: antialiased; }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* NAV */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-mid);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 64px;
}
.nav-logo { font-size: 14px; font-weight: 500; letter-spacing: 0.02em; }
.nav-links { display: flex; gap: 32px; font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; }
.nav-links a:hover { opacity: 0.5; transition: opacity 0.2s; }
.nav-cart { font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; cursor: pointer; }
.nav-cart:hover { opacity: 0.5; }

/* HERO */
.hero { position: relative; overflow: hidden; }
.hero-img { width: 100%; height: 85vh; object-fit: cover; object-position: center 30%; filter: brightness(0.92); }
.hero-text {
  position: absolute; bottom: 60px; left: 60px;
  color: var(--white);
}
.hero-text h1 { font-size: clamp(28px, 4vw, 52px); font-weight: 300; letter-spacing: -0.01em; line-height: 1.1; max-width: 500px; }
.hero-text p { margin-top: 16px; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.85; }
.hero-cta {
  margin-top: 28px;
  display: inline-block;
  background: var(--white); color: var(--black);
  padding: 14px 28px;
  font-size: 12px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  transition: background 0.2s, color 0.2s;
}
.hero-cta:hover { background: var(--black); color: var(--white); }

/* SECTION */
section { padding: 80px 40px; }
section.bg-light { background: var(--gray-light); }
.section-label { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-text); margin-bottom: 16px; }
.section-title { font-size: clamp(24px, 3vw, 40px); font-weight: 300; letter-spacing: -0.01em; }

/* PRODUCT GRID */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; margin-top: 40px; }
@media (max-width: 900px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .product-grid { grid-template-columns: 1fr; } }

.product-card { display: block; background: var(--gray-light); }
.product-card-img { width: 100%; aspect-ratio: 1; overflow: hidden; background: var(--gray-light); }
.product-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-img img { transform: scale(1.04); }
.product-card-info { padding: 20px 16px 24px; }
.product-card-name { font-size: 14px; font-weight: 400; }
.product-card-price { margin-top: 6px; font-size: 13px; color: var(--gray-text); }

/* PRODUCT DETAIL */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 60px 60px 80px; }
@media (max-width: 800px) { .product-detail { grid-template-columns: 1fr; gap: 40px; padding: 40px; } }
.product-detail-image { align-self: start; }
@media (min-width: 801px) { .product-detail-image { position: sticky; top: 80px; } }
.product-detail-image img { width: 100%; aspect-ratio: 1; object-fit: cover; background: var(--gray-light); }

.product-detail-info { padding-top: 20px; }
.product-detail-info h1 { font-size: 28px; font-weight: 300; letter-spacing: -0.01em; }
.product-detail-price { margin-top: 12px; font-size: 20px; font-weight: 300; }
.product-detail-tagline { margin-top: 20px; font-size: 14px; color: var(--gray-text); font-style: italic; line-height: 1.6; }

.btn-buy {
  display: block; width: 100%; margin-top: 32px;
  background: var(--black); color: var(--white);
  padding: 18px; text-align: center;
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500;
  cursor: pointer; border: none;
  transition: background 0.2s;
}
.btn-buy:hover { background: #333; }

.product-accordion { margin-top: 40px; border-top: 1px solid var(--gray-mid); }
.accordion-item { border-bottom: 1px solid var(--gray-mid); }
.accordion-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; cursor: pointer;
  font-size: 13px; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase;
}
.accordion-header .icon { font-size: 18px; font-weight: 300; transition: transform 0.2s; }
.accordion-header.open .icon { transform: rotate(45deg); }
.accordion-body { display: none; padding: 0 0 24px; font-size: 14px; line-height: 1.8; color: #444; }
.accordion-body.open { display: block; }
.accordion-body ul { margin-top: 12px; padding-left: 0; list-style: none; }
.accordion-body ul li::before { content: "—  "; color: var(--gray-text); }
.accordion-body ul li { margin-top: 8px; }

/* BREADCRUMB */
.breadcrumb { padding: 20px 60px; font-size: 12px; color: var(--gray-text); letter-spacing: 0.04em; }
.breadcrumb a:hover { text-decoration: underline; }

/* ABOUT / REVEAL */
.about-hero { padding: 100px 60px 80px; max-width: 800px; margin: 0 auto; text-align: center; }
.about-hero h1 { font-size: clamp(32px, 5vw, 60px); font-weight: 300; letter-spacing: -0.02em; line-height: 1.1; }
.about-hero p { margin-top: 24px; font-size: 16px; line-height: 1.8; color: #555; }
.about-section { padding: 60px; max-width: 700px; margin: 0 auto; }
.about-section h2 { font-size: 22px; font-weight: 300; margin-bottom: 20px; }
.about-section p { font-size: 15px; line-height: 1.9; color: #444; margin-bottom: 16px; }
.reveal-box {
  margin: 60px auto; max-width: 700px; padding: 0 60px;
  border-left: 3px solid var(--black); padding-left: 40px;
}
.reveal-box .label { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-text); margin-bottom: 16px; }
.reveal-box h2 { font-size: 28px; font-weight: 300; margin-bottom: 20px; }
.reveal-box p { font-size: 15px; line-height: 1.9; color: #444; }
.reveal-link { display: inline-block; margin-top: 24px; padding: 14px 28px; background: var(--black); color: var(--white); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.reveal-link:hover { background: #333; }

/* CART / CHECKOUT REVEAL */
.checkout-reveal { max-width: 680px; margin: 80px auto; padding: 0 40px; }
.checkout-reveal .emoji { font-size: 48px; margin-bottom: 24px; }
.checkout-reveal h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 300; letter-spacing: -0.01em; margin-bottom: 24px; }
.checkout-reveal .sub { font-size: 16px; line-height: 1.8; color: #555; margin-bottom: 48px; }
.checkout-options { display: grid; gap: 16px; }
.checkout-option {
  display: flex; align-items: flex-start; gap: 24px;
  padding: 28px; border: 1px solid var(--gray-mid);
  transition: border-color 0.2s;
}
.checkout-option:hover { border-color: var(--black); }
.checkout-option .opt-icon { font-size: 28px; flex-shrink: 0; }
.checkout-option h3 { font-size: 15px; font-weight: 500; margin-bottom: 6px; }
.checkout-option p { font-size: 13px; color: #666; line-height: 1.6; }
.checkout-option a { color: var(--black); text-decoration: underline; font-size: 13px; font-weight: 500; display: inline-block; margin-top: 10px; }

/* SHOP PAGE HEADER */
.shop-header { padding: 60px 40px 40px; }
.shop-header h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 300; letter-spacing: -0.02em; }
.shop-header p { margin-top: 12px; font-size: 14px; color: var(--gray-text); }

/* SHOP SIDEBAR */
.shop-layout { display: grid; grid-template-columns: 220px 1fr; gap: 0; min-height: 60vh; }
@media (max-width: 800px) { .shop-layout { grid-template-columns: 1fr; } }
.shop-sidebar { border-right: 1px solid var(--gray-mid); padding: 40px 32px; font-size: 13px; position: sticky; top: 64px; align-self: start; height: calc(100vh - 64px); overflow-y: auto; }
@media (max-width: 800px) { .shop-sidebar { position: static; height: auto; border-right: none; border-bottom: 1px solid var(--gray-mid); } }
.sidebar-link { display: block; padding: 8px 0; color: var(--gray-text); transition: color 0.2s; }
.sidebar-link:hover, .sidebar-link.active { color: var(--black); }
.sidebar-section { margin-top: 24px; }
.sidebar-section-title { font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 8px 0; font-weight: 500; }
.sidebar-toggle { font-size: 14px; }
.sidebar-collection-links { display: none; }
.sidebar-collection-links.open { display: block; }
.sidebar-sublink { display: block; padding: 7px 0 7px 12px; font-size: 12px; color: var(--gray-text); transition: color 0.2s; }
.sidebar-sublink:hover { color: var(--black); }
.shop-products { padding: 40px; }

/* COLLECTIONS STRIP (homepage) */
.collections-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  margin-top: 32px;
}
@media (max-width: 1000px) { .collections-strip { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .collections-strip { grid-template-columns: repeat(2, 1fr); } }
.collection-card { display: block; background: var(--gray-light); aspect-ratio: 2/3; position: relative; overflow: hidden; transition: filter 0.3s; }
.collection-card:hover { filter: brightness(0.95); }
.collection-card-inner { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; padding: 20px; }
.collection-card-title { font-size: 13px; font-weight: 500; line-height: 1.3; }
.collection-card-sub { margin-top: 4px; font-size: 11px; color: var(--gray-text); line-height: 1.4; }

/* COLLECTION PAGE */
.collection-hero { padding: 80px 60px 48px; border-bottom: 1px solid var(--gray-mid); }
.collection-hero .section-label { margin-bottom: 12px; }
.collection-hero h1 { font-size: clamp(28px, 4vw, 48px); font-weight: 300; letter-spacing: -0.01em; }
.collection-hero p { margin-top: 16px; font-size: 15px; color: #555; line-height: 1.8; max-width: 600px; }
.collection-products { padding: 60px 40px; }
.coming-soon-card { background: var(--gray-light); padding: 40px 28px; display: flex; flex-direction: column; gap: 12px; min-height: 280px; justify-content: flex-end; }
.coming-soon-label { font-size: 10px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gray-text); }
.coming-soon-title { font-size: 15px; font-weight: 400; }
.coming-soon-price { font-size: 13px; color: var(--gray-text); }
.coming-soon-tag { display: inline-block; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 10px; border: 1px solid var(--gray-mid); color: var(--gray-text); }

/* ABOUT TEASER (homepage) */
.about-teaser { padding: 80px 40px; border-top: 1px solid var(--gray-mid); }
.about-teaser-inner { max-width: 600px; }
.about-teaser-inner h2 { font-size: clamp(22px, 3vw, 36px); font-weight: 300; letter-spacing: -0.01em; line-height: 1.2; }
.about-teaser-inner p { margin-top: 16px; font-size: 14px; color: #555; line-height: 1.8; }
.about-teaser-link { display: inline-block; margin-top: 24px; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; border-bottom: 1px solid var(--black); padding-bottom: 2px; }

/* FOOTER */
footer {
  border-top: 1px solid var(--gray-mid);
  padding: 48px 40px;
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 40px; font-size: 13px;
}
@media (max-width: 700px) { footer { grid-template-columns: 1fr; } }
.footer-brand { font-size: 14px; font-weight: 500; margin-bottom: 12px; }
.footer-sub { color: var(--gray-text); font-size: 12px; line-height: 1.8; margin-top: 8px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a:hover { text-decoration: underline; }
.footer-fine { border-top: 1px solid var(--gray-mid); padding: 20px 40px; font-size: 11px; color: var(--gray-text); display: flex; justify-content: space-between; }

/* ================================================
   MOBILE RESPONSIVE PASS — 640px / 375px (iPhone SE)
   ================================================ */

/* NAV HAMBURGER — hidden on desktop, shown on mobile */
.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  font-size: 22px;
  line-height: 1;
  color: var(--black);
}

@media (max-width: 640px) {

  /* NAV */
  nav {
    padding: 0 20px;
    justify-content: flex-start;
  }
  .nav-logo { flex: 1; }
  .nav-cart { margin-right: 18px; font-size: 13px; }
  .nav-hamburger { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-mid);
    flex-direction: column;
    gap: 0;
    padding: 4px 0 8px;
    z-index: 99;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 14px 20px;
    font-size: 14px;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--gray-light);
    text-transform: none;
  }

  /* HERO */
  .hero-img { height: 65vh; }
  .hero-text { bottom: 28px; left: 20px; right: 20px; }
  .hero-cta { padding: 12px 22px; }

  /* SECTIONS */
  section { padding: 48px 20px; }
  .shop-header { padding: 40px 20px 24px; }
  .breadcrumb { padding: 16px 20px; }

  /* COLLECTION HERO IMAGE — override inline height:420px */
  .collection-hero-img { height: 240px !important; }
  .collection-hero { padding: 40px 20px 28px; }
  .collection-products { padding: 32px 20px; }

  /* COLLECTIONS STRIP — tighten overlay text at 2-col */
  .collection-card-inner { padding: 12px; }
  .collection-card-title { font-size: 12px; }
  .collection-card-sub { font-size: 10px; }

  /* ABOUT TEASER */
  .about-teaser { padding: 48px 20px; }

  /* ABOUT PAGE */
  .about-hero { padding: 60px 24px 40px; }
  .about-section { padding: 40px 24px; }
  .reveal-box { padding-right: 24px; padding-left: 20px; margin: 40px auto; }
  .about-cta-inner { padding-left: 20px !important; padding-right: 20px !important; }

  /* CART / CHECKOUT REVEAL */
  .checkout-reveal { margin: 48px auto; padding: 0 20px; }
  .checkout-reveal .emoji { font-size: 36px; margin-bottom: 16px; }
  .checkout-option { padding: 20px 16px; gap: 16px; }
  .checkout-option .opt-icon { font-size: 22px; }

  /* FOOTER */
  .footer-fine { flex-direction: column; gap: 6px; padding: 16px 20px; }
}