/* ─────────────────────────────────────────
   components.css — Hidden in Numbers
   Reusable UI components
───────────────────────────────────────── */

/* ════════════════════════════════════════
   NOISE OVERLAY
════════════════════════════════════════ */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.018;
  pointer-events: none;
  z-index: var(--z-noise);
}

/* ════════════════════════════════════════
   CUSTOM CURSOR
════════════════════════════════════════ */
body { cursor: none; }

#cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-cursor);
  transition: transform 0.1s, opacity 0.2s;
  mix-blend-mode: screen;
}

#cursor-ring {
  position: fixed;
  width: 32px;
  height: 32px;
  border: 1px solid var(--color-accent-border);
  border-radius: 50%;
  pointer-events: none;
  z-index: calc(var(--z-cursor) - 1);
  transition: transform 0.3s var(--ease), width 0.3s, height 0.3s, opacity 0.3s, border-color 0.3s;
}

body:has(a:hover) #cursor-ring,
body:has(button:hover) #cursor-ring {
  width: 48px;
  height: 48px;
  border-color: var(--color-accent);
}

/* ════════════════════════════════════════
   NAVIGATION
════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--container-pad);
  z-index: var(--z-nav);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}

nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: var(--color-border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.12em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-logo .dot { color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--color-text-mid);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease);
}

.nav-links a:hover { color: var(--color-white); }
.nav-links a:hover::after { width: 100%; }

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: none;
}
.nav-hamburger span {
  display: block;
  height: 1px;
  background: var(--color-white);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav overlay */
.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--nav-height);
  background: rgba(0, 0, 0, 0.96);
  backdrop-filter: blur(16px);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
}
.nav-mobile-overlay.open { display: flex; }
.nav-mobile-overlay a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color var(--transition-base);
}
.nav-mobile-overlay a:hover { color: var(--color-accent); }

/* ════════════════════════════════════════
   BUTTONS
════════════════════════════════════════ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  background: var(--color-accent);
  color: var(--color-black);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-weight: 700;
  cursor: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.btn-primary:hover {
  background: #00e639;
  transform: translateY(-2px);
}
.btn-primary svg { transition: transform 0.3s; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2rem;
  border: 1px solid var(--color-accent-border);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: color 0.3s, border-color 0.3s;
}
.btn-ghost::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
  z-index: -1;
}
.btn-ghost:hover {
  color: var(--color-black);
  border-color: var(--color-accent);
}
.btn-ghost:hover::before { transform: scaleX(1); }
.btn-ghost svg { transition: transform 0.3s; }
.btn-ghost:hover svg { transform: translateX(5px); }

/* ════════════════════════════════════════
   PRODUCT CARDS
════════════════════════════════════════ */
.product-card {
  background: var(--color-off-black);
  position: relative;
  overflow: hidden;
  cursor: none;
}

.product-image {
  width: 100%;
  height: 100%;
  min-height: 280px;
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.7s var(--ease);
}

.product-card:hover .product-image img:not(.img-hover) {
  transform: scale(1.04);
}

/* ── Hover second image (lookbook swap) ── */
.product-image .img-hover {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.55s var(--ease);
}

.product-card:hover .product-image .img-hover {
  opacity: 1;
}

.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.95) 0%,
    rgba(0, 0, 0, 0.15) 50%,
    transparent 100%
  );
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.product-card:hover .product-overlay {
  opacity: 1;
  transform: translateY(0);
}

.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-accent-border);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.product-card:hover::after { opacity: 1; }

.product-code {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.product-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.product-card-link {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-text-mid);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition-fast);
  cursor: none;
}
.product-card-link:hover { color: var(--color-accent); }

/* ════════════════════════════════════════
   CONCEPT CARDS
════════════════════════════════════════ */
.concept-card {
  padding: 2.5rem;
  border-right: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: background var(--transition-base);
  cursor: default;
}
.concept-card:last-child { border-right: none; }

.concept-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease);
}

.concept-card:hover { background: var(--color-surface); }
.concept-card:hover::before { transform: scaleX(1); }

.concept-num {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.concept-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.concept-body {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-text-mid);
}

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
footer {
  border-top: 1px solid var(--color-border);
  padding: 3rem var(--container-pad);
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 3px;
}
.footer-logo .dot { color: var(--color-accent); }

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--color-text-dim);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-accent); }

.footer-coords {
  text-align: right;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-text-dim);
  line-height: 1.8;
}

.footer-copy {
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  text-transform: uppercase;
}

.footer-copy a {
  color: var(--color-text-mid);
  transition: color var(--transition-fast);
  text-decoration: none;
}
.footer-copy a:hover { color: var(--color-accent); }

/* ── Footer responsive ── */
@media (max-width: 1024px) {
  footer {
    grid-template-columns: 1fr 1fr;
  }
  .footer-coords {
    grid-column: 1 / -1;
    text-align: left;
  }
}

@media (max-width: 640px) {
  footer {
    grid-template-columns: 1fr;
  }
  .footer-links {
    justify-content: flex-start;
  }
  .footer-copy {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

/* ── Nav responsive ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
}