/* ===== 4wash — global styles ===== */

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

:root {
  --bg: #ffffff;
  --fg: #111111;
  --muted: #888888;
  --border: #e0e0e0;
  --accent: #111111;
  --radius: 2px;
  --gap: 2rem;
  --font: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  opacity: 0.6;
}

/* ===== NAV ===== */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gap);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
  opacity: 1;
  transition:
    opacity 0.3s ease,
    transform 0.3s ease;
}

nav.nav-offscreen {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-100%);
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  font-weight: 400;
}

.nav-links a.active {
  opacity: 0.4;
  cursor: default;
}

.nav-cart {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  cursor: pointer;
  border: 1px solid var(--fg);
  padding: 0.4rem 0.9rem;
  background: transparent;
  color: var(--fg);
  font-family: var(--font);
  border-radius: var(--radius);
  transition:
    background 0.15s,
    color 0.15s;
  font-weight: 400;
}

.nav-cart:hover {
  background: var(--fg);
  color: var(--bg);
}

/* ===== MAIN ===== */
main {
  flex: 1;
  padding: var(--gap);
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem var(--gap);
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  letter-spacing: 0.04em;
}

/* ===== LANDING — INTRO SECTION ===== */
.page-index body {
  margin: 0;
}

.intro {
  position: relative;
  width: 100%;
  height: 100vh;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-logo {
  font-size: clamp(3rem, 12vw, 8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #111111;
  user-select: none;
}

.intro-scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.1rem;
  color: #aaaaaa;
  animation: bounce 1.8s ease-in-out infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

/* ===== INLINE SHOP (on landing page) ===== */
.inline-shop {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: var(--gap);
}

/* ===== LANDING — legacy hero (kept for reference) ===== */
.hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 70vh;
  gap: 1.5rem;
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-title {
  font-size: clamp(2.8rem, 7vw, 6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1rem;
  color: var(--muted);
  max-width: 36ch;
}

.btn {
  display: inline-block;
  border: 1px solid var(--fg);
  padding: 0.75rem 1.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  border-radius: var(--radius);
  transition:
    background 0.15s,
    color 0.15s;
  font-weight: 400;
}

.btn:hover,
.btn:focus {
  background: var(--fg);
  color: var(--bg);
  opacity: 1;
}

.btn-filled {
  background: var(--fg);
  color: var(--bg);
}

.btn-filled:hover {
  opacity: 0.75;
  background: var(--fg);
  color: var(--bg);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--gap);
  padding-top: var(--gap);
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.feature-item h3 {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.feature-item p {
  font-size: 0.88rem;
  color: var(--muted);
}

/* ===== SHOP ===== */
.page-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  text-transform: lowercase;
}

.page-header p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--gap);
}

.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.product-swatch {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  font-size: 2.5rem;
}

.product-swatch-multi {
  background: linear-gradient(
    135deg,
    #1a1a1a 25%,
    #c0c0c0 25%,
    #c0c0c0 50%,
    #f5f5f5 50%,
    #f5f5f5 75%,
    #d4af6a 75%
  );
}

.product-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-name {
  font-size: 0.95rem;
  font-weight: 400;
  text-transform: lowercase;
}
.product-desc {
  font-size: 0.82rem;
  color: var(--muted);
  flex: 1;
}
.product-price {
  font-size: 1rem;
  font-weight: 400;
}

.product-actions {
  padding: 0 1.25rem 1.25rem;
}

.add-to-cart {
  width: 100%;
  border: 1px solid var(--fg);
  padding: 0.65rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  background: transparent;
  color: var(--fg);
  font-family: var(--font);
  cursor: pointer;
  border-radius: var(--radius);
  transition:
    background 0.15s,
    color 0.15s;
  font-weight: 400;
}

.add-to-cart:hover {
  background: var(--fg);
  color: var(--bg);
}

/* ===== CART DRAWER ===== */
.cart-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 200;
}

.cart-overlay.open {
  display: block;
}

.cart-drawer {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: min(380px, 100vw);
  background: var(--bg);
  border-left: 1px solid var(--border);
  z-index: 201;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.cart-drawer.open {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--gap);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  font-weight: 400;
}

.cart-close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--fg);
  font-family: var(--font);
  line-height: 1;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--gap);
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.cart-item-name {
  font-weight: 400;
}
.cart-item-qty {
  color: var(--muted);
  font-size: 0.8rem;
}

.cart-empty {
  color: var(--muted);
  font-size: 0.88rem;
}

.cart-footer {
  padding: var(--gap);
  border-top: 1px solid var(--border);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(2rem);
  background: var(--fg);
  color: var(--bg);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  opacity: 0;
  transition:
    opacity 0.2s,
    transform 0.2s;
  z-index: 300;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== HISTORY ===== */
.history-content {
  max-width: 640px;
}

.history-content h1 {
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  text-transform: lowercase;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.timeline-entry {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
}

.timeline-year {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  color: var(--muted);
  padding-top: 0.2rem;
  font-weight: 400;
}

.timeline-body h3 {
  font-size: 0.95rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
  text-transform: lowercase;
}

.timeline-body p {
  font-size: 0.88rem;
  color: var(--muted);
}

.history-cta {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* ===== WASHERS HERO ===== */
.washers-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: 1100px;
  margin: 4rem auto;
  padding: 0 var(--gap);
}

.washers-image {
  width: 100%;
  height: auto;
  display: block;
}

.washers-tagline {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.washers-text h2 {
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  text-transform: lowercase;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.washers-text p {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 42ch;
}

@media (max-width: 800px) {
  .washers-hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 2rem auto;
  }

  .washers-text h2 {
    font-size: 1.4rem;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 600px) {
  :root {
    --gap: 1.25rem;
  }
  .nav-links {
    gap: 1.25rem;
  }
}