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

:root {
  --black: #111;
  --white: #fafafa;
  --accent: #ff3c00;
  --accent2: #ffe600;
  --gray: #888;
  --light: #f2f2f2;
  --radius: 12px;
  --font: 'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--black);
  line-height: 1.5;
  overflow-x: hidden;
}

/* HEADER */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 2px solid var(--black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--black);
  text-decoration: none;
}

.logo span { color: var(--accent); }

nav { display: flex; gap: 1rem; align-items: center; }

nav a {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--black);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s;
}

nav a:hover { opacity: 1; }

#cart-btn {
  background: var(--black);
  color: var(--white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 99px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: transform 0.15s;
}

#cart-btn:hover { transform: scale(1.05); }

#cart-count {
  background: var(--accent);
  color: var(--white);
  border-radius: 99px;
  padding: 0 0.4rem;
  font-size: 0.75rem;
  min-width: 1.25rem;
  text-align: center;
}

/* HERO */
.hero {
  background: var(--black);
  color: var(--white);
  padding: 4rem 1.5rem 3rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12rem;
  opacity: 0.06;
  pointer-events: none;
  user-select: none;
}

.hero h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 1rem;
  position: relative;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent2);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 36ch;
  margin: 0 auto 2rem;
  position: relative;
}

.hero-cta {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  padding: 0.85rem 2rem;
  border-radius: 99px;
  font-weight: 800;
  font-size: 1rem;
  text-decoration: none;
  position: relative;
  transition: transform 0.15s, box-shadow 0.15s;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,60,0,0.4);
}

/* CATALOG */
.catalog {
  padding: 3rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.catalog h2 {
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 2rem;
  letter-spacing: -0.5px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.product-card {
  border: 2px solid var(--black);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, box-shadow 0.15s;
  background: var(--white);
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 var(--black);
}

.product-thumb {
  background: var(--light);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  border-bottom: 2px solid var(--black);
}

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

.product-name {
  font-weight: 800;
  font-size: 1rem;
}

.product-desc {
  font-size: 0.8rem;
  color: var(--gray);
  flex: 1;
}

.product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

.product-price {
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--accent);
}

.size-select {
  font-size: 0.75rem;
  border: 1.5px solid var(--black);
  border-radius: 6px;
  padding: 0.2rem 0.4rem;
  background: var(--white);
  cursor: pointer;
  font-family: var(--font);
  font-weight: 600;
}

.add-btn {
  width: 100%;
  margin-top: 0.75rem;
  padding: 0.6rem;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.15s;
}

.add-btn:hover { background: var(--accent); }

.add-btn.added {
  background: #22c55e;
}

/* CART SIDEBAR */
#cart-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
}

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

#cart-sidebar {
  position: fixed;
  top: 0;
  right: -420px;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: var(--white);
  z-index: 201;
  border-left: 2px solid var(--black);
  display: flex;
  flex-direction: column;
  transition: right 0.3s cubic-bezier(0.4,0,0.2,1);
}

#cart-sidebar.open { right: 0; }

.cart-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 2px solid var(--black);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-header h3 { font-size: 1.1rem; font-weight: 800; }

#cart-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

#cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cart-item {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  border: 1.5px solid var(--light);
  border-radius: 8px;
  padding: 0.75rem;
}

.cart-item-emoji { font-size: 2rem; }

.cart-item-info { flex: 1; }

.cart-item-name { font-weight: 700; font-size: 0.875rem; }

.cart-item-size { font-size: 0.75rem; color: var(--gray); }

.cart-item-price { font-weight: 800; color: var(--accent); }

.cart-item-remove {
  background: none;
  border: none;
  color: var(--gray);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.25rem;
}

.cart-item-remove:hover { color: var(--accent); }

.cart-empty {
  text-align: center;
  color: var(--gray);
  padding: 3rem 1rem;
  font-size: 0.9rem;
}

.cart-footer {
  padding: 1.25rem 1.5rem;
  border-top: 2px solid var(--black);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  font-weight: 800;
  font-size: 1.1rem;
}

#checkout-btn {
  background: var(--accent);
  color: var(--white);
  border: none;
  padding: 0.9rem;
  border-radius: 99px;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s;
}

#checkout-btn:hover { transform: scale(1.02); }

#checkout-btn:disabled {
  background: var(--gray);
  cursor: not-allowed;
  transform: none;
}

/* ABOUT */
.about {
  background: var(--accent2);
  padding: 3rem 1.5rem;
  text-align: center;
}

.about h2 {
  font-size: 1.75rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.about p {
  max-width: 52ch;
  margin: 0 auto;
  font-size: 1rem;
  color: rgba(0,0,0,0.7);
}

/* INFO STRIP */
.info-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--black);
  border-top: 2px solid var(--black);
  border-bottom: 2px solid var(--black);
}

.info-item {
  flex: 1 1 200px;
  background: var(--white);
  padding: 1.5rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.info-icon { font-size: 1.5rem; }

.info-text strong { display: block; font-weight: 700; font-size: 0.875rem; }

.info-text span { font-size: 0.8rem; color: var(--gray); }

/* FOOTER */
footer {
  background: var(--black);
  color: var(--white);
  padding: 2rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: center;
}

footer .logo { color: var(--white); }

.social-links { display: flex; gap: 0.75rem; }

.social-links a {
  color: var(--white);
  opacity: 0.6;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity 0.15s;
}

.social-links a:hover { opacity: 1; }

.footer-copy {
  font-size: 0.75rem;
  opacity: 0.4;
  width: 100%;
}

/* TOAST */
#toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--black);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.875rem;
  z-index: 300;
  transition: transform 0.3s;
  pointer-events: none;
}

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

/* RESPONSIVE */
@media (max-width: 600px) {
  .hero h1 { letter-spacing: -1px; }
  nav a { display: none; }
  .info-item { flex: 1 1 100%; }
}