/* ============================================
   HYDRA — Design System
   ============================================ */

:root {
  --bg: #0a0a0b;
  --surface: #141416;
  --surface-2: #1c1c1f;
  --text: #f5f5f7;
  --text-muted: #8a8a93;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --border: rgba(255,255,255,0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ============================================
   UTILITIES
   ============================================ */

.text-muted { color: var(--text-muted); }

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--transition), transform 0.7s var(--transition);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   HEADER & NAV
   ============================================ */

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,11,0.75);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.5rem; height: 64px;
}

.brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em;
  color: var(--text);
}
.brand svg { stroke: var(--accent); }
.brand .dot { color: var(--accent); }

.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }

.nav-actions { display: flex; align-items: center; gap: 0.5rem; }

.icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.icon-btn:hover { color: var(--text); background: var(--surface-2); }

.cart-badge {
  position: absolute; top: 2px; right: 2px;
  background: var(--accent); color: #fff;
  font-size: 0.625rem; font-weight: 700;
  width: 16px; height: 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}

.mobile-menu-btn { display: none; }

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 1rem 1.5rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}
.mobile-nav a {
  padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.9375rem; font-weight: 500; color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover { background: var(--surface-2); color: var(--text); }

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.5rem; border-radius: var(--radius);
  font-size: 0.9375rem; font-weight: 600;
  transition: all var(--transition);
}

.btn-primary {
  background: var(--accent); color: #fff;
  box-shadow: 0 0 0 0 var(--accent-glow);
}
.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
  transform: translateY(-1px);
}
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-outline {
  border: 1.5px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover { border-color: var(--text-muted); background: var(--surface); }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-block { width: 100%; }

/* ============================================
   HERO
   ============================================ */

.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

.hero-media {
  position: absolute; inset: 0; z-index: 0;
}
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: brightness(0.45) saturate(0.9);
}

.hero-content {
  position: relative; z-index: 1;
  text-align: center; max-width: 680px;
  padding: 0 1.5rem;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.2);
  color: var(--accent);
  font-size: 0.8125rem; font-weight: 600;
  padding: 0.4rem 0.9rem; border-radius: 100px;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}
.hero-title .grad {
  background: linear-gradient(135deg, #60a5fa, #a78bfa);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.125rem; color: var(--text-muted);
  max-width: 520px; margin: 0 auto 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap;
}

.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.15em;
  color: var(--text-muted); opacity: 0.6;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  max-width: 1280px; margin: 0 auto;
  padding: 6rem 1.5rem;
}

.eyebrow {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem;
}

.h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.body-text {
  font-size: 1.0625rem; color: var(--text-muted); line-height: 1.7;
  max-width: 540px;
}

.grid-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}
.grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}

.rounded-media {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface);
}
.rounded-media img { width: 100%; height: 100%; object-fit: cover; }
.aspect-4-5 { aspect-ratio: 4/5; }
.aspect-5-4 { aspect-ratio: 5/4; }
.aspect-21-9 { aspect-ratio: 21/9; }

.media-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface);
}
.media-card img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================
   CHECK LIST
   ============================================ */

.check-list { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 0.75rem; }
.check-list li {
  display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.9375rem; color: var(--text-muted);
}
.bullet {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}

/* ============================================
   FEATURE ROWS
   ============================================ */

.feature-row {
  display: flex; gap: 1rem; align-items: flex-start;
  padding: 1.25rem 0; border-bottom: 1px solid var(--border);
}
.feature-row:last-child { border-bottom: none; }
.feature-row h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }
.feature-row p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

.feature-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--surface-2); color: var(--accent);
}

/* ============================================
   WHY CHOOSE
   ============================================ */

.why-choose { background: var(--surface); border-radius: var(--radius-lg); padding: 2.5rem; }

.why-grid {
  display: grid; grid-template-columns: 220px 1fr; gap: 2rem; margin-top: 1.5rem;
}

.why-list { display: flex; flex-direction: column; gap: 0.5rem; }

.why-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.875rem 1rem; border-radius: var(--radius-sm);
  font-size: 0.9375rem; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
  text-align: left; width: 100%;
}
.why-item:hover { background: var(--surface-2); color: var(--text); }
.why-item.active { background: var(--surface-2); color: var(--text); box-shadow: inset 2px 0 0 var(--accent); }

.icon-wrap {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); color: var(--accent);
}

.why-detail h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 0.5rem; }
.why-detail p { color: var(--text-muted); line-height: 1.6; margin-bottom: 1rem; }

.included {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; font-weight: 600; color: #22c55e;
  background: rgba(34,197,94,0.08); padding: 0.4rem 0.75rem; border-radius: 100px;
}

/* ============================================
   CHIPS
   ============================================ */

.chip-grid { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1.5rem; }
.chip {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem 1rem; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================
   PRODUCT CARDS
   ============================================ */

.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 2rem;
}
.section-head a {
  font-size: 0.875rem; font-weight: 600; color: var(--accent);
  transition: opacity var(--transition);
}
.section-head a:hover { opacity: 0.8; }

.product-card { display: block; }
.product-card .media {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--surface); aspect-ratio: 1;
  margin-bottom: 1rem;
}
.product-card .media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.6s var(--transition);
}
.product-card:hover .media img { transform: scale(1.05); }

.tag-badge {
  position: absolute; top: 0.75rem; left: 0.75rem;
  background: var(--accent); color: #fff;
  font-size: 0.6875rem; font-weight: 700;
  padding: 0.25rem 0.6rem; border-radius: 100px;
}

.product-meta {
  display: flex; justify-content: space-between; align-items: center;
}
.product-meta p:first-child { font-weight: 600; font-size: 0.9375rem; }
.product-meta p:last-child { color: var(--text-muted); font-weight: 500; }

/* ============================================
   TESTIMONIALS
   ============================================ */

.testi-head { text-align: center; margin-bottom: 3rem; }
.testi-head .stars { justify-content: center; margin-bottom: 1rem; }
.testi-head h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; }

.stars { display: flex; gap: 0.25rem; color: #fbbf24; }
.stars svg { fill: currentColor; }

.testi-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 1.75rem; border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}
.testi-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.2); }
.testi-card .stars { margin-bottom: 1rem; }
.testi-card .quote {
  font-size: 0.9375rem; line-height: 1.7; color: var(--text-muted);
  margin-bottom: 1.25rem;
}
.testi-card .who .name { font-weight: 600; font-size: 0.875rem; }
.testi-card .who .role { font-size: 0.8125rem; color: var(--text-muted); }

/* ============================================
   CTA BOX
   ============================================ */

.cta-box {
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border-radius: var(--radius-lg); padding: 4rem 2rem;
  text-align: center; border: 1px solid var(--border);
}
.cta-box h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem); font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-box p { color: var(--text-muted); margin-bottom: 1.75rem; }

/* ============================================
   QUICK BUY BAR
   ============================================ */

.quick-buy {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: rgba(10,10,11,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  transform: translateY(100%);
  transition: transform 0.4s var(--transition);
}
.quick-buy.show { transform: translateY(0); }
.quick-buy img {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  object-fit: cover; background: var(--surface);
}
.quick-buy .info { flex: 1; }
.quick-buy .info p:first-child { font-weight: 600; font-size: 0.875rem; }
.quick-buy .info p:last-child { font-size: 0.8125rem; color: var(--text-muted); }

/* ============================================
   FOOTER
   ============================================ */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 4rem 1.5rem 2rem;
  max-width: 1280px; margin: 0 auto;
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex; align-items: center; gap: 0.5rem;
  font-weight: 700; font-size: 1.125rem; margin-bottom: 0.75rem;
}
.footer-brand svg { stroke: var(--accent); }

.footer-col h4 {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a {
  font-size: 0.875rem; color: var(--text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--text); }

.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 1.5rem;
  font-size: 0.8125rem; color: var(--text-muted); text-align: center;
}

/* ============================================
   CART DRAWER
   ============================================ */

.overlay {
  position: fixed; inset: 0; z-index: 140;
  background: rgba(0,0,0,0.6);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.overlay.open { opacity: 1; pointer-events: auto; }

.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 150;
  width: 100%; max-width: 420px;
  background: var(--bg);
  border-left: 1px solid var(--border);
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
  display: flex; flex-direction: column;
}
.cart-drawer.open { transform: translateX(0); }

.cart-drawer-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.cart-drawer-head h3 { font-size: 1.125rem; font-weight: 700; }

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

.cart-item {
  display: flex; gap: 1rem; align-items: center;
  padding: 0.75rem; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--border);
}
.cart-item img {
  width: 56px; height: 56px; border-radius: var(--radius-sm);
  object-fit: cover; background: var(--surface-2);
}
.cart-item-body { flex: 1; min-width: 0; }
.cart-item-body p:first-child { font-weight: 600; font-size: 0.875rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cart-item-body p:last-child { font-size: 0.75rem; color: var(--text-muted); }
.cart-item-qty {
  display: flex; align-items: center; gap: 0.5rem;
}
.cart-item-qty button {
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--surface-2); color: var(--text-muted);
  font-size: 1rem; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.cart-item-qty button:hover { background: var(--accent); color: #fff; }
.cart-item-qty span { font-size: 0.875rem; font-weight: 600; min-width: 20px; text-align: center; }

.cart-item-remove {
  color: var(--text-muted); padding: 0.25rem;
  transition: color var(--transition);
}
.cart-item-remove:hover { color: #ef4444; }

.cart-empty {
  text-align: center; padding: 3rem 1rem; color: var(--text-muted);
}
.cart-empty a { color: var(--accent); font-weight: 600; }

.cart-footer {
  padding: 1.25rem 1.5rem; border-top: 1px solid var(--border);
}

.cart-subtotal {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem; font-weight: 600;
}
.cart-subtotal span:last-child { font-size: 1.125rem; }

/* ============================================
   PRODUCT PAGE (PDP)
   ============================================ */

.product-page { padding-top: 80px; max-width: 1280px; margin: 0 auto; padding: 80px 1.5rem 4rem; }

.product-layout {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem;
}

.gallery-main {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--surface); aspect-ratio: 1;
  margin-bottom: 1rem;
}
.gallery-main img {
  width: 100%; height: 100%; object-fit: cover;
}

.gallery-thumbs {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem;
}
.gallery-thumbs button {
  border-radius: var(--radius-sm); overflow: hidden;
  background: var(--surface); aspect-ratio: 1;
  border: 2px solid transparent;
  transition: border-color var(--transition);
  padding: 0;
}
.gallery-thumbs button.active { border-color: var(--accent); }
.gallery-thumbs button img { width: 100%; height: 100%; object-fit: cover; }

.pdp-rating { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; }
.pdp-title { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 800; margin-bottom: 0.25rem; }
.pdp-tagline { color: var(--text-muted); margin-bottom: 1rem; }
.pdp-price { font-size: 1.75rem; font-weight: 700; margin-bottom: 1.25rem; }
.pdp-price .was {
  font-size: 1.125rem; color: var(--text-muted); text-decoration: line-through;
  margin-left: 0.5rem; font-weight: 500;
}
.pdp-desc { color: var(--text-muted); line-height: 1.7; margin-bottom: 1.5rem; }

.option-group { margin-bottom: 1.25rem; }
.option-label { font-size: 0.8125rem; font-weight: 600; color: var(--text-muted); margin-bottom: 0.5rem; }

.pill-group { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.pill {
  padding: 0.5rem 1rem; border-radius: 100px;
  border: 1.5px solid var(--border); background: transparent;
  font-size: 0.875rem; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.pill:hover { border-color: var(--text-muted); color: var(--text); }
.pill.active { border-color: var(--accent); color: var(--accent); background: rgba(59,130,246,0.08); }

.pdp-add-btn { margin: 1rem 0 1.5rem; }

.perk-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem;
  margin-bottom: 2rem;
}
.perk {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8125rem; color: var(--text-muted);
}
.perk svg { color: var(--accent); flex-shrink: 0; }

/* Specs */
.spec-list { border-top: 1px solid var(--border); }
.spec-item { border-bottom: 1px solid var(--border); }
.spec-trigger {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; padding: 1rem 0;
  font-size: 0.9375rem; font-weight: 600;
  transition: color var(--transition);
}
.spec-trigger:hover { color: var(--accent); }
.spec-trigger svg { transition: transform var(--transition); }
.spec-item.open .spec-trigger svg { transform: rotate(180deg); }

.spec-panel {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.spec-item.open .spec-panel { grid-template-rows: 1fr; }
.spec-panel-inner { overflow: hidden; padding-bottom: 1rem; }
.spec-panel-inner ul { display: flex; flex-direction: column; gap: 0.5rem; }
.spec-panel-inner li {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; color: var(--text-muted);
}
.spec-panel-inner li svg { color: #22c55e; flex-shrink: 0; }
.spec-panel-inner dl { display: grid; grid-template-columns: 120px 1fr; gap: 0.5rem 1rem; }
.spec-panel-inner dt { font-size: 0.8125rem; }
.spec-panel-inner dd { font-size: 0.875rem; font-weight: 500; }
.spec-panel-inner p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* Sticky bar */
.sticky-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
  background: rgba(10,10,11,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  transform: translateY(100%);
  transition: transform 0.4s var(--transition);
}
.sticky-bar.show { transform: translateY(0); }
.sticky-bar-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.5rem; gap: 1rem;
}
.sticky-bar-left { display: flex; align-items: center; gap: 0.75rem; }
.sticky-bar-left img { width: 40px; height: 40px; border-radius: var(--radius-sm); object-fit: cover; }
.sticky-bar-left p:first-child { font-weight: 600; font-size: 0.875rem; }
.sticky-bar-left p:last-child { font-size: 0.8125rem; color: var(--text-muted); }

/* ============================================
   ABOUT PAGE
   ============================================ */

.about-hero {
  padding: 140px 1.5rem 4rem; max-width: 720px; margin: 0 auto;
  text-align: center;
}
.about-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem); font-weight: 800;
  line-height: 1.1; margin-bottom: 1rem;
}
.about-hero > p:last-child { color: var(--text-muted); font-size: 1.0625rem; line-height: 1.7; }

.about-banner { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem 4rem; }

.about-split {
  max-width: 1280px; margin: 0 auto; padding: 0 1.5rem 4rem;
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center;
}
.about-split img { border-radius: var(--radius-lg); width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.about-split h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-bottom: 0.75rem; }
.about-split p { color: var(--text-muted); line-height: 1.7; }
.about-split.reverse { direction: rtl; }
.about-split.reverse > * { direction: ltr; }

.promise-section { max-width: 1280px; margin: 0 auto; padding: 4rem 1.5rem; }
.promise-section h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; margin-bottom: 2rem; text-align: center; }

.promise-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.promise-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 2rem; border: 1px solid var(--border);
  transition: transform var(--transition), border-color var(--transition);
}
.promise-card:hover { transform: translateY(-4px); border-color: rgba(59,130,246,0.2); }
.promise-card .num { font-size: 0.75rem; font-weight: 700; color: var(--accent); margin-bottom: 0.75rem; }
.promise-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; }
.promise-card p { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; }

/* ============================================
   ACCOUNT PAGE
   ============================================ */

.account-page { padding: 100px 1.5rem 4rem; max-width: 960px; margin: 0 auto; }

.account-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 2rem;
}
.account-head h1 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; }
.member-since { font-size: 0.8125rem; color: var(--text-muted); }

.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
  margin-bottom: 2.5rem;
}
.stat-card {
  background: var(--surface); border-radius: var(--radius);
  padding: 1.25rem; border: 1px solid var(--border);
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: rgba(59,130,246,0.2); }
.stat-card svg { color: var(--accent); margin-bottom: 0.75rem; }
.stat-card .label { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.stat-card .value { font-size: 1.5rem; font-weight: 700; }

.account-grid {
  display: grid; grid-template-columns: 2fr 1fr; gap: 2rem;
}
.account-grid > div:first-child h2 { font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem; }

.orders-table { display: flex; flex-direction: column; gap: 0.75rem; }
.order-item {
  display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 1rem;
  align-items: center; padding: 1rem 1.25rem;
  background: var(--surface); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.order-item .item-name { font-weight: 600; font-size: 0.875rem; }
.order-item .item-id { font-size: 0.75rem; color: var(--text-muted); }
.order-item .item-date { font-size: 0.8125rem; color: var(--text-muted); }
.order-item .item-status {
  font-size: 0.75rem; font-weight: 600;
  background: rgba(34,197,94,0.1); color: #22c55e;
  padding: 0.25rem 0.6rem; border-radius: 100px; text-align: center;
}
.order-item .item-total { font-weight: 700; font-size: 0.9375rem; text-align: right; }

.hydration-aside {
  background: var(--surface); border-radius: var(--radius);
  padding: 1.5rem; border: 1px solid var(--border);
  position: sticky; top: 100px;
}
.hydration-aside h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.25rem; }
.hydration-aside > p { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 1.25rem; }

.hydration-value { margin-bottom: 1rem; }
.hydration-value .num { font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.hydration-value .unit { font-size: 0.875rem; color: var(--text-muted); margin-left: 0.25rem; }

.progress-track {
  width: 100%; height: 6px; border-radius: 100px;
  background: var(--surface-2); overflow: hidden; margin-bottom: 0.75rem;
}
.progress-fill {
  height: 100%; width: 72%; border-radius: 100px;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
}
.progress-label { font-size: 0.8125rem; color: var(--text-muted); }

/* ============================================
   CHECKOUT PAGE
   ============================================ */

.checkout-page { padding: 100px 1.5rem 4rem; max-width: 1100px; margin: 0 auto; }

.checkout-layout {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 3rem;
}

.form-section { margin-bottom: 2rem; }
.form-section h2 {
  font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.form-section h2 .lock { color: var(--text-muted); }

.form-grid { display: flex; flex-direction: column; gap: 1rem; }

.field { display: flex; flex-direction: column; gap: 0.375rem; }
.field span { font-size: 0.8125rem; font-weight: 500; color: var(--text-muted); }
.field input {
  padding: 0.75rem 1rem; border-radius: var(--radius-sm);
  border: 1.5px solid var(--border); background: var(--surface);
  color: var(--text); font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.field input::placeholder { color: var(--text-muted); opacity: 0.5; }

.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }

.order-summary {
  background: var(--surface); border-radius: var(--radius);
  padding: 1.5rem; border: 1px solid var(--border);
  position: sticky; top: 100px; height: fit-content;
}
.order-summary h3 { font-size: 1rem; font-weight: 700; margin-bottom: 1rem; }
.order-summary .empty { font-size: 0.875rem; color: var(--text-muted); }
.order-summary .empty a { color: var(--accent); font-weight: 600; }

.order-row {
  display: flex; gap: 0.75rem; align-items: center;
  padding: 0.75rem 0; border-bottom: 1px solid var(--border);
}
.order-row:last-of-type { border-bottom: none; }
.order-row img { width: 48px; height: 48px; border-radius: var(--radius-sm); object-fit: cover; }
.order-row-body { flex: 1; }
.order-row-body p:first-child { font-weight: 600; font-size: 0.875rem; }
.order-row-body p:last-child { font-size: 0.75rem; color: var(--text-muted); }
.order-row-price { font-weight: 700; font-size: 0.9375rem; }

.summary-totals { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.summary-row { display: flex; justify-content: space-between; font-size: 0.875rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.summary-row.bold { font-weight: 700; color: var(--text); font-size: 1rem; margin-top: 0.5rem; padding-top: 0.5rem; border-top: 1px solid var(--border); }

.order-confirmed {
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 6rem 1.5rem;
}
.check-circle {
  width: 72px; height: 72px; border-radius: 50%;
  background: rgba(34,197,94,0.1); color: #22c55e;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.5rem;
}
.order-confirmed h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; margin-bottom: 0.75rem; }
.order-confirmed p { color: var(--text-muted); max-width: 400px; margin-bottom: 2rem; }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
  .product-layout { grid-template-columns: 1fr; }
  .checkout-layout { grid-template-columns: 1fr; }
  .account-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .promise-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .mobile-nav.open { display: flex; }

  .grid-2 { grid-template-columns: 1fr; gap: 2rem; }
  .grid-3 { grid-template-columns: 1fr; }
  .section { padding: 4rem 1rem; }

  .hero-actions { flex-direction: column; align-items: center; }
  .hero-actions .btn { width: 100%; max-width: 280px; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .order-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .form-row-2, .form-row-3 { grid-template-columns: 1fr; }

  .about-split { grid-template-columns: 1fr; }
  .about-split.reverse { direction: ltr; }

  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .cart-drawer { max-width: 100%; }
}

/* Toast notification */
.toast {
  position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--surface-2); color: var(--text);
  padding: 0.875rem 1.5rem; border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  font-size: 0.875rem; font-weight: 500;
  opacity: 0; pointer-events: none;
  transition: all 0.4s cubic-bezier(0.16,1,0.3,1);
  z-index: 200; display: flex; align-items: center; gap: 0.5rem;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast svg { color: #22c55e; }