/* ASCENDA — Layout */

/* ── Navbar ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-sticky);
  background: rgba(5, 5, 5, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-base);
}
.navbar.scrolled { background: rgba(5, 5, 5, 0.95); box-shadow: var(--shadow-md); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; max-width: 1280px; margin: 0 auto; padding: 0 var(--space-lg); }
.navbar__brand { display: flex; align-items: center; gap: var(--space-sm); text-decoration: none; }
.navbar__logo { font-family: var(--font-display); font-weight: 900; font-size: 1.6rem; letter-spacing: 0.2em; color: var(--text-primary); text-transform: uppercase; background: linear-gradient(135deg, var(--text-primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.navbar__tagline { font-family: var(--font-mono); font-size: 0.55rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.3em; border-left: 1px solid var(--glass-border); padding-left: var(--space-sm); display: none; }
@media (min-width: 768px) { .navbar__tagline { display: block; } }
.navbar__nav { display: flex; align-items: center; gap: var(--space-lg); }
.navbar__link { font-family: var(--font-display); font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.1em; text-decoration: none; transition: color var(--transition-fast); position: relative; }
.navbar__link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background: var(--accent); transition: width var(--transition-base); }
.navbar__link:hover { color: var(--text-primary); }
.navbar__link:hover::after, .navbar__link.active::after { width: 100%; }
.navbar__link.active { color: var(--accent); }
.navbar__actions { display: flex; align-items: center; gap: var(--space-md); }
.navbar__icon-btn { position: relative; width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); color: var(--text-secondary); font-size: 1.2rem; transition: all var(--transition-fast); }
.navbar__icon-btn:hover { color: var(--text-primary); background: var(--glass-bg); }
.navbar__cart-count { position: absolute; top: 2px; right: 2px; width: 18px; height: 18px; display: flex; align-items: center; justify-content: center; background: var(--accent); color: var(--bg-primary); font-size: 0.6rem; font-weight: 700; border-radius: var(--radius-full); font-family: var(--font-display); }
.navbar__cart-count.hidden { display: none; }
.navbar__menu-toggle { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; color: var(--text-secondary); font-size: 1.4rem; }
@media (min-width: 768px) { .navbar__menu-toggle { display: none; } }
.navbar__nav-links { display: none; }
@media (min-width: 768px) { .navbar__nav-links { display: flex; align-items: center; gap: var(--space-xl); } }
.mobile-nav { position: fixed; inset: 0; top: 72px; background: rgba(5,5,5,0.97); backdrop-filter: blur(20px); z-index: var(--z-dropdown); padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-lg); animation: fadeIn var(--transition-base); }
.mobile-nav.hidden { display: none; }
.mobile-nav a { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.1em; padding: var(--space-md) 0; border-bottom: 1px solid var(--glass-border); display: block; transition: color var(--transition-fast); }
.mobile-nav a:hover { color: var(--accent); }

/* ── Hero ── */
.hero { min-height: 90vh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; padding-top: 72px; }
.hero::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 600px; height: 600px; background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%); opacity: 0.3; pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 200px; background: linear-gradient(to top, var(--bg-primary), transparent); pointer-events: none; }
.hero__content { position: relative; z-index: 1; }
.hero__subtitle { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.4em; margin-bottom: var(--space-lg); opacity: 0; animation: fadeUp 0.8s 0.2s forwards; }
.hero__title { font-family: var(--font-display); font-size: clamp(3rem, 10vw, 8rem); font-weight: 900; letter-spacing: 0.15em; line-height: 0.95; margin-bottom: var(--space-lg); background: linear-gradient(180deg, var(--text-primary) 30%, var(--text-tertiary) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; opacity: 0; animation: fadeUp 0.8s 0.4s forwards; }
.hero__description { font-size: 1rem; color: var(--text-secondary); max-width: 500px; margin: 0 auto var(--space-2xl); opacity: 0; animation: fadeUp 0.8s 0.6s forwards; }
.hero__cta { display: flex; gap: var(--space-md); justify-content: center; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.8s 0.8s forwards; }

/* ── Product Grid ── */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-xl); }
@media (max-width: 640px) { .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); } }

/* ── Section ── */
.section-header { text-align: center; margin-bottom: var(--space-3xl); }
.section-header__overline { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.3em; margin-bottom: var(--space-sm); }
.section-header__title { font-size: clamp(1.5rem, 3vw, 2.5rem); margin-bottom: var(--space-md); }
.section-header__description { color: var(--text-secondary); max-width: 600px; margin: 0 auto; font-size: 0.95rem; }
.category-filter { display: flex; justify-content: center; gap: var(--space-sm); margin-bottom: var(--space-2xl); flex-wrap: wrap; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--glass-border); padding: var(--space-3xl) 0; margin-top: var(--space-4xl); }
.footer__inner { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); }
@media (min-width: 768px) { .footer__inner { grid-template-columns: 2fr 1fr 1fr; } }
.footer__brand-name { font-family: var(--font-display); font-weight: 900; font-size: 1.3rem; letter-spacing: 0.15em; color: var(--text-primary); margin-bottom: var(--space-sm); }
.footer__brand-desc { color: var(--text-tertiary); font-size: 0.85rem; line-height: 1.6; }
.footer__section-title { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.2em; margin-bottom: var(--space-md); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer__links a { color: var(--text-tertiary); font-size: 0.85rem; transition: color var(--transition-fast); }
.footer__links a:hover { color: var(--accent); }
.footer__bottom { margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: 1px solid var(--glass-border); text-align: center; font-size: 0.75rem; color: var(--text-muted); font-family: var(--font-mono); }

/* ── Page Layout ── */
.page { padding-top: 72px; min-height: 100vh; }
.page-header { padding: var(--space-3xl) 0 var(--space-xl); text-align: center; }
.page-header__title { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--space-sm); }
.page-header__breadcrumb { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.15em; }
.page-header__breadcrumb a { color: var(--text-tertiary); }
.page-header__breadcrumb a:hover { color: var(--accent); }

/* ── Product Detail ── */
.product-detail { display: grid; grid-template-columns: 1fr; gap: var(--space-3xl); padding: var(--space-xl) 0; }
@media (min-width: 768px) { .product-detail { grid-template-columns: 1fr 1fr; } }
.product-gallery { display: flex; flex-direction: column; gap: var(--space-md); }
.product-gallery__main { aspect-ratio: 3/4; border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-tertiary); border: 1px solid var(--glass-border); }
.product-gallery__main img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__thumbs { display: flex; gap: var(--space-sm); }
.product-gallery__thumb { width: 80px; height: 100px; border-radius: var(--radius-sm); overflow: hidden; border: 2px solid transparent; cursor: pointer; transition: border-color var(--transition-fast); background: var(--bg-tertiary); }
.product-gallery__thumb.active, .product-gallery__thumb:hover { border-color: var(--accent); }
.product-gallery__thumb img { width: 100%; height: 100%; object-fit: contain; }
.product-info { display: flex; flex-direction: column; gap: var(--space-lg); }
.product-info__price { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--accent); }
.product-info__price .currency { font-size: 1rem; color: var(--text-secondary); }
.product-info__description { color: var(--text-secondary); line-height: 1.7; font-size: 0.95rem; }

/* ── Auth ── */
.auth-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: var(--space-xl); position: relative; overflow: hidden; }
.auth-page::before { content: ''; position: absolute; top: -20%; left: -10%; width: 500px; height: 500px; background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%); opacity: 0.2; pointer-events: none; }
.auth-card { width: 100%; max-width: 440px; background: var(--glass-bg); backdrop-filter: blur(20px); border: 1px solid var(--glass-border); border-radius: var(--radius-xl); padding: var(--space-3xl); animation: fadeUp 0.6s ease; }
.auth-card__logo { font-family: var(--font-display); font-weight: 900; font-size: 1.8rem; letter-spacing: 0.2em; text-align: center; margin-bottom: var(--space-xs); background: linear-gradient(135deg, var(--text-primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.auth-card__subtitle { text-align: center; color: var(--text-tertiary); font-size: 0.85rem; margin-bottom: var(--space-2xl); }
.auth-card__footer { text-align: center; margin-top: var(--space-xl); font-size: 0.85rem; color: var(--text-tertiary); }

/* ── Cart ── */
.cart-layout { display: grid; grid-template-columns: 1fr; gap: var(--space-2xl); }
@media (min-width: 768px) { .cart-layout { grid-template-columns: 2fr 1fr; } }
.cart-item { display: flex; gap: var(--space-lg); padding: var(--space-lg); background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); transition: all var(--transition-base); }
.cart-item:hover { border-color: var(--glass-border-hover); }
.cart-item__image { width: 100px; height: 130px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; background: var(--bg-tertiary); }
.cart-item__image img { width: 100%; height: 100%; object-fit: contain; }
.cart-item__info { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.cart-item__name { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; }
.cart-item__meta { font-size: 0.8rem; color: var(--text-tertiary); }
.cart-item__actions { display: flex; align-items: center; justify-content: space-between; }
.cart-item__price { font-family: var(--font-display); font-weight: 700; color: var(--accent); }
.cart-item__remove { color: var(--text-tertiary); font-size: 0.8rem; cursor: pointer; transition: color var(--transition-fast); }
.cart-item__remove:hover { color: var(--error); }
.cart-summary { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: var(--space-xl); position: sticky; top: 100px; height: fit-content; }
.cart-summary__title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-lg); padding-bottom: var(--space-md); border-bottom: 1px solid var(--glass-border); }
.cart-summary__row { display: flex; justify-content: space-between; margin-bottom: var(--space-md); font-size: 0.9rem; }
.cart-summary__row .label { color: var(--text-secondary); }
.cart-summary__total { display: flex; justify-content: space-between; padding-top: var(--space-md); border-top: 1px solid var(--glass-border); margin-top: var(--space-md); font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.cart-summary__total .amount { color: var(--accent); }

/* ── Coming Soon ── */
.coming-soon { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); padding: var(--space-3xl); text-align: center; position: relative; overflow: hidden; }
.coming-soon__badge { display: inline-block; padding: 0.3rem 1rem; background: var(--accent-glow); border: 1px solid var(--accent-dark); border-radius: var(--radius-full); font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.2em; margin-bottom: var(--space-lg); }
.coming-soon__title { font-size: 1.5rem; margin-bottom: var(--space-sm); }
.coming-soon__text { color: var(--text-tertiary); font-size: 0.9rem; }

/* ── Keyframes ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }