:root{
  --bg: #F5FAFB;
  --panel: #FFFFFF;
  --ink: #0E2A3B;
  --ink-soft: #4C6B7A;
  --mint: #2FB6A3;
  --mint-dark: #1F8E80;
  --sky: #3FA0D8;
  --coral: #FF7A45;
  --line: #D8E4E8;
  --radius: 10px;
}

*{ box-sizing: border-box; margin:0; padding:0; }
html{ scroll-behavior: smooth; }
body{
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3, .display{
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
a{ color: inherit; text-decoration: none; }
img,svg{ display:block; max-width:100%; }
button{ font-family: inherit; cursor: pointer; border: none; background: none; }
ul{ list-style: none; }
.container{ max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
input, textarea, select{ font-family: inherit; font-size: 0.95rem; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ---------- NAV ---------- */
header{ position: sticky; top:0; z-index: 50; background: rgba(245,250,251,0.9); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav{ display:flex; align-items:center; justify-content:space-between; padding: 18px 32px; max-width: 1180px; margin:0 auto; }
.logo{ display:flex; align-items:center; gap:10px; font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:1.25rem; }
.logo .mark{ width:30px; height:30px; border-radius:8px; background: linear-gradient(135deg, var(--mint), var(--sky)); display:flex; align-items:center; justify-content:center; }
.logo .mark svg{ width:18px; height:18px; }
.nav-links{ display:flex; gap:34px; align-items:center; }
.nav-links a{ font-size: 0.95rem; color: var(--ink-soft); font-weight:500; transition: color .15s ease; }
.nav-links a:hover, .nav-links a:focus-visible{ color: var(--ink); }
.nav-right{ display:flex; align-items:center; gap:16px; }
.account-link{ display:flex; align-items:center; gap:8px; font-weight:600; font-size:0.9rem; }
.avatar-img{ width:26px; height:26px; border-radius:50%; }
.cart-btn{ position:relative; display:flex; align-items:center; gap:6px; color: var(--ink); font-weight:600; font-size:0.9rem; padding: 8px 10px; border-radius: 8px; }
.cart-btn:hover{ background: rgba(47,182,163,0.1); }
.cart-count{ background: var(--coral); color:#fff; font-size:0.7rem; font-weight:700; min-width:18px; height:18px; border-radius:9px; display:flex; align-items:center; justify-content:center; padding:0 4px; }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; padding: 12px 22px; border-radius: 8px; font-weight:600; font-size:0.95rem; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.btn-primary{ background: var(--ink); color:#fff; }
.btn-primary:hover{ background:#183C52; transform: translateY(-1px); }
.btn-primary:disabled{ opacity:0.5; cursor:not-allowed; transform:none; }
.btn-outline{ border: 1.5px solid var(--line); color: var(--ink); }
.btn-outline:hover{ border-color: var(--ink); }
.btn-coral{ background: var(--coral); color:#fff; }
.btn-coral:hover{ background:#F0672F; transform: translateY(-1px); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{ outline: 2px solid var(--sky); outline-offset: 2px; }
.google-btn{ display:inline-flex; align-items:center; gap:10px; }
.nav-toggle{ display:none; }

/* ---------- HERO ---------- */
.hero{ padding: 88px 0 60px; position: relative; overflow: hidden; }
.hero-grid{ display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items:center; }
.eyebrow-line{ display:flex; align-items:center; gap:10px; margin-bottom:22px; color: var(--mint-dark); font-weight:600; font-size:0.9rem; }
.eyebrow-line .dot{ width:7px; height:7px; border-radius:50%; background: var(--mint); }
.hero h1{ font-size: clamp(2.4rem, 4.4vw, 3.4rem); line-height: 1.08; max-width: 12ch; margin-bottom: 22px; }
.hero p.lede{ font-size: 1.1rem; color: var(--ink-soft); max-width: 46ch; margin-bottom: 32px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 44px; }
.stat-row{ display:flex; gap:40px; flex-wrap:wrap; }
.stat b{ display:block; font-family:'Space Grotesk',sans-serif; font-size:1.8rem; font-weight:700; }
.stat span{ color: var(--ink-soft); font-size:0.88rem; }
.hero-visual{ position:relative; height: 420px; }
.breeze-svg{ width:100%; height:100%; overflow: visible; }
.breeze-line{ fill:none; stroke-linecap: round; }
.drift{ animation: drift 5.5s ease-in-out infinite; }
.drift-slow{ animation-duration: 8s; }
.drift-slower{ animation-duration: 10.5s; }
@keyframes drift{ 0%{ transform: translateX(0); opacity:.55; } 50%{ transform: translateX(18px); opacity: 1; } 100%{ transform: translateX(0); opacity:.55; } }
.unit-plate{ fill: var(--panel); stroke: var(--line); }
.unit-vent{ stroke: var(--ink-soft); }

/* ---------- FEATURE STRIP ---------- */
.features{ border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--panel); }
.feature-grid{ display:grid; grid-template-columns: repeat(4, 1fr); }
.feature{ padding: 30px 28px; border-right: 1px solid var(--line); display:flex; gap:14px; align-items:flex-start; }
.feature:last-child{ border-right:none; }
.feature .icon{ flex:none; width:38px; height:38px; border-radius:9px; background: rgba(47,182,163,0.12); color: var(--mint-dark); display:flex; align-items:center; justify-content:center; }
.feature .icon svg{ width:19px; height:19px; }
.feature h3{ font-size: 0.98rem; margin-bottom:4px; }
.feature p{ font-size: 0.86rem; color: var(--ink-soft); }

/* ---------- SECTIONS ---------- */
section{ padding: 84px 0; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom: 44px; flex-wrap: wrap; }
.section-head h2{ font-size: clamp(1.7rem, 3vw, 2.2rem); max-width: 20ch; }
.section-head p{ color: var(--ink-soft); max-width: 40ch; }
.section-head p a{ color: var(--mint-dark); font-weight:600; }

/* ---------- FILTERS ---------- */
.filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 34px; }
.filter-btn{ padding: 9px 17px; border-radius: 999px; border: 1.5px solid var(--line); font-size:0.88rem; font-weight:600; color: var(--ink-soft); transition: all .15s ease; text-transform: capitalize; }
.filter-btn.active, .filter-btn:hover{ border-color: var(--ink); color: var(--ink); background: var(--panel); }

/* ---------- PRODUCT GRID / CARD ---------- */
.product-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card{ background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); overflow:hidden; display:flex; flex-direction:column; transition: box-shadow .18s ease, transform .18s ease, border-color .18s ease; }
.card:hover{ box-shadow: 0 14px 30px -18px rgba(14,42,59,0.35); transform: translateY(-3px); border-color: rgba(47,182,163,0.4); }
.card-top{ height: 4px; background: linear-gradient(90deg, var(--mint), var(--sky)); }
.card-media{ height: 150px; background: linear-gradient(160deg, #EAF6F4, #E4F1F8); display:flex; align-items:center; justify-content:center; }
.card-media.large{ height: 340px; border-radius: var(--radius); border: 1px solid var(--line); }
.card-media svg{ width:74px; height:74px; color: var(--mint-dark); opacity:0.85; }
.card-img{ width:100%; height:100%; object-fit: cover; }
.card-body{ padding: 20px 22px 22px; display:flex; flex-direction:column; gap:10px; flex:1; }
.card-tag{ font-size:0.76rem; font-weight:700; color: var(--sky); text-transform: capitalize; }
.card-body h3{ font-size:1.08rem; }
.card-specs{ display:flex; gap:14px; flex-wrap:wrap; font-size:0.8rem; color: var(--ink-soft); }
.stock-flag{ font-size:0.76rem; font-weight:600; color: var(--coral); }
.stock-flag.out{ color: var(--ink-soft); }
.card-foot{ margin-top:auto; display:flex; align-items:center; justify-content:space-between; padding-top:10px; }
.price{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:1.2rem; }
.price small{ font-family:'Inter',sans-serif; font-weight:500; font-size:0.72rem; color: var(--ink-soft); }
.add-btn{ padding: 9px 16px; border-radius:7px; background: var(--ink); color:#fff; font-size:0.85rem; font-weight:600; transition: background .15s ease; }
.add-btn:hover{ background: var(--mint-dark); }
.add-btn:disabled{ opacity:0.5; cursor:not-allowed; }
.card-contact{ display:flex; gap:14px; padding-top:6px; border-top: 1px dashed var(--line); }
.mini-link{ font-size:0.82rem; font-weight:600; color: var(--mint-dark); }
.mini-link.danger{ color:#D64545; }
.inline-form{ display:inline; }

/* ---------- PRODUCT DETAIL ---------- */
.product-detail-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items:flex-start; }
.spec-list li{ padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size:0.92rem; }
.qty-form{ display:flex; gap:10px; }
.qty-form input{ width:80px; padding:12px; border-radius:8px; border:1px solid var(--line); }

/* ---------- CART ---------- */
.cart-table{ display:flex; flex-direction:column; gap:14px; margin-bottom: 28px; }
.cart-row{ display:grid; grid-template-columns: 64px 1fr 90px 110px 32px; align-items:center; gap:16px; background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; }
.cart-row-media{ width:56px; height:56px; border-radius:8px; background: linear-gradient(160deg,#EAF6F4,#E4F1F8); display:flex; align-items:center; justify-content:center; overflow:hidden; }
.cart-row-media img{ width:100%; height:100%; object-fit:cover; }
.cart-row-media svg{ width:30px; height:30px; color: var(--mint-dark); }
.cart-row-info h3{ font-size:0.98rem; }
.cart-row-qty input{ width:60px; padding:8px; border-radius:6px; border:1px solid var(--line); }
.cart-row-total{ font-weight:700; text-align:right; }
.remove-btn{ color: var(--ink-soft); font-size:1.1rem; }
.remove-btn:hover{ color:#D64545; }
.cart-summary{ max-width: 340px; margin-left:auto; background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.cart-summary-row{ display:flex; justify-content:space-between; align-items:center; margin-bottom:8px; }

/* ---------- CHECKOUT ---------- */
.checkout-grid{ display:grid; grid-template-columns: 1.3fr 0.9fr; gap: 40px; align-items:flex-start; }
.checkout-form{ display:flex; flex-direction:column; gap:6px; }
.checkout-form label{ font-size:0.85rem; font-weight:600; margin-top:12px; }
.checkout-form input, .checkout-form textarea{ padding:12px 14px; border-radius:8px; border:1px solid var(--line); background: var(--panel); }
.bank-box{ background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); padding:20px; margin-top:22px; }
.bank-details{ display:grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size:0.9rem; margin-bottom:6px; }
.bank-details dt{ color: var(--ink-soft); }
.bank-details dd{ font-weight:600; }
.order-summary{ background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); padding: 22px; position: sticky; top: 100px; }
.summary-line{ display:flex; justify-content:space-between; padding:8px 0; border-bottom:1px solid var(--line); font-size:0.92rem; }
.summary-line.total{ border-bottom:none; font-weight:700; font-size:1.05rem; padding-top:14px; }
.form-error{ background:#FDECEA; color:#B3261E; padding:12px 16px; border-radius:8px; font-size:0.88rem; margin-bottom: 14px; }

/* ---------- CONFIRMATION ---------- */
.confirm-icon{ width:60px; height:60px; border-radius:50%; background: var(--mint); color:#fff; display:flex; align-items:center; justify-content:center; margin: 0 auto 18px; }
.confirm-icon svg{ width:28px; height:28px; }

/* ---------- ORDER LIST ---------- */
.order-list{ display:flex; flex-direction:column; gap:12px; }
.order-row{ display:grid; grid-template-columns: 1.5fr 1fr 1fr 60px; align-items:center; gap:14px; background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; font-size:0.92rem; }
.status-pill{ display:inline-block; margin-left:10px; padding:3px 10px; border-radius:999px; font-size:0.72rem; font-weight:700; text-transform:capitalize; background: var(--line); color: var(--ink-soft); }
.status-pending_payment{ background:#FFF3E0; color:#B96A00; }
.status-paid{ background:#E3F6F1; color: var(--mint-dark); }
.status-shipped{ background:#E4F1F8; color: var(--sky); }
.status-completed{ background:#E9F7E6; color:#2E8B2E; }
.status-cancelled{ background:#FDECEA; color:#B3261E; }

/* ---------- COMPARE / TESTIMONIALS / CTA (marketing sections) ---------- */
.testi-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap:22px; }
.testi{ background: var(--panel); border:1px solid var(--line); border-radius: var(--radius); padding: 26px; display:flex; flex-direction:column; gap:16px; }
.testi p{ color: var(--ink); font-size:0.96rem; }
.testi-who{ display:flex; align-items:center; gap:12px; }
.avatar{ width:38px; height:38px; border-radius:50%; background: linear-gradient(135deg, var(--sky), var(--mint)); display:flex; align-items:center; justify-content:center; color:#fff; font-weight:700; font-size:0.85rem; font-family:'Space Grotesk',sans-serif; }
.testi-who b{ display:block; font-size:0.88rem; }
.testi-who span{ font-size:0.78rem; color: var(--ink-soft); }
.cta-banner{ background: var(--ink); color:#fff; border-radius: 18px; padding: 56px 48px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; position: relative; overflow:hidden; }
.cta-banner::before{ content:''; position:absolute; inset:0; background: radial-gradient(circle at 85% 30%, rgba(47,182,163,0.35), transparent 55%); }
.cta-banner h2{ color:#fff; font-size: clamp(1.5rem,2.6vw,2rem); max-width: 18ch; position:relative; }
.cta-banner p{ color:#B9CBD3; margin-top:8px; position:relative; }
.cta-actions{ position:relative; display:flex; gap:12px; flex-wrap:wrap; }

/* ---------- FOOTER ---------- */
footer{ background: var(--panel); border-top:1px solid var(--line); padding: 64px 0 90px; }
.foot-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap:36px; margin-bottom: 48px; }
.foot-brand p{ color: var(--ink-soft); font-size:0.9rem; margin-top:12px; max-width: 30ch; }
footer h4{ font-size:0.86rem; margin-bottom:14px; color: var(--ink); }
footer ul li{ margin-bottom:9px; }
footer ul li a{ color: var(--ink-soft); font-size:0.88rem; transition: color .15s ease; }
footer ul li a:hover{ color: var(--mint-dark); }
.foot-bottom{ border-top:1px solid var(--line); padding-top:22px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-size:0.8rem; color: var(--ink-soft); }

/* ---------- FLOATING CALL (ikman-style) ---------- */
.floating-call{
  position: fixed; bottom: 22px; right: 22px; z-index: 60;
  display:flex; align-items:center; gap:8px;
  background: var(--coral); color:#fff; font-weight:700; font-size:0.88rem;
  padding: 13px 20px; border-radius: 999px;
  box-shadow: 0 10px 24px -10px rgba(255,122,69,0.6);
  transition: transform .15s ease;
}
.floating-call:hover{ transform: translateY(-2px); }
.floating-call svg{ width:17px; height:17px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-visual{ height: 280px; order:-1; }
  .feature-grid{ grid-template-columns: repeat(2,1fr); }
  .feature{ border-right:none; border-bottom:1px solid var(--line); }
  .product-grid{ grid-template-columns: repeat(2,1fr); }
  .testi-grid{ grid-template-columns: 1fr; }
  .foot-grid{ grid-template-columns: 1fr 1fr; }
  .product-detail-grid{ grid-template-columns: 1fr; }
  .checkout-grid{ grid-template-columns: 1fr; }
  .order-summary{ position:static; }
}
@media (max-width: 640px){
  .container{ padding: 0 20px; }
  .nav-links{ position:fixed; top:66px; left:0; right:0; background: var(--bg); flex-direction:column; align-items:flex-start; gap:0; padding: 8px 20px 18px; border-bottom:1px solid var(--line); transform-origin: top; transform: scaleY(0); opacity:0; transition: transform .18s ease, opacity .18s ease; pointer-events:none; }
  .nav-links.open{ transform: scaleY(1); opacity:1; pointer-events:auto; }
  .nav-links a{ padding: 12px 0; width:100%; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display:flex; flex-direction:column; gap:5px; width:26px; }
  .nav-toggle span{ height:2px; background: var(--ink); border-radius:2px; }
  .hero{ padding-top: 56px; }
  .hero-ctas .btn{ width:100%; }
  .stat-row{ gap:26px; }
  .product-grid{ grid-template-columns: 1fr; }
  .foot-grid{ grid-template-columns: 1fr; gap:28px; }
  .cta-banner{ padding: 36px 26px; }
  .cart-row{ grid-template-columns: 48px 1fr; grid-template-areas: "media info" "media qty" "total total"; row-gap:8px; }
  .order-row{ grid-template-columns: 1fr; text-align:left; }
}