/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'DM Sans', sans-serif; color: #0D1B2A; background: #F5F8FC; }
h1,h2,h3,h4,h5,h6 { font-family: 'Sora', sans-serif; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: 'DM Sans', sans-serif; cursor: pointer; }

/* ── Variables ── */
:root {
  --navy: #0A2C5E;
  --blue-mid: #1A56A8;
  --blue-accent: #2B7FDD;
  --blue-tint: #D6E8FA;
  --white: #FFFFFF;
  --off-white: #F5F8FC;
  --body: #0D1B2A;
  --muted: #6B7A90;
  --wa: #25D366;
  --border: #E8EFF8;
}

/* ── Navbar ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(10,44,94,0.07);
  transition: box-shadow .3s;
}
.nav.scrolled { box-shadow: 0 2px 24px rgba(10,44,94,0.1); }
.nav-inner {
  max-width: 1280px; margin: 0 auto; padding: 0 32px;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
}
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { font-size: 15px; font-weight: 500; color: #0D1B2A; transition: color .2s; }
.nav-links a:hover { color: var(--blue-accent); }
.nav-links a.active { color: var(--blue-accent); }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; border-radius: 100px; border: none; cursor: pointer; transition: opacity .2s, transform .15s; text-decoration: none; white-space: nowrap; }
.btn:hover { opacity: 0.88; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--blue-accent); color: white; padding: 11px 24px; font-size: 14px; }
.btn-navy { background: var(--navy); color: white; padding: 11px 24px; font-size: 14px; }
.btn-wa { background: var(--wa); color: white; padding: 11px 20px; font-size: 14px; }
.btn-outline { background: transparent; color: white; padding: 11px 24px; font-size: 14px; border: 1.5px solid rgba(255,255,255,0.35); }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-sm { padding: 9px 16px; font-size: 13px; }
.btn-full { width: 100%; justify-content: center; }

/* ── Hamburger ── */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: all .3s; }
.mobile-menu { display: none; }

/* ── Hero ── */
.hero { background: var(--navy); padding: 120px 32px 80px; }
.hero-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.eyebrow-pill {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(43,127,221,0.18); color: #90C4F8;
  border: 1px solid rgba(43,127,221,0.28); padding: 7px 16px;
  border-radius: 100px; font-size: 13px; font-weight: 500; margin-bottom: 20px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.9);
  border: 1px solid rgba(255,255,255,0.18); padding: 7px 14px;
  border-radius: 100px; font-size: 13px; font-weight: 500;
}
.stat-chip { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18); border-radius: 14px; padding: 14px; text-align: center; }
.stat-num { font-family: 'Sora',sans-serif; font-size: 28px; font-weight: 800; color: white; line-height: 1; }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 4px; }

/* ── Feature Strip ── */
.feature-strip { background: #0D1F40; padding: 20px 32px; }
.feature-strip-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4,1fr); gap: 16px;
}
.strip-item { display: flex; align-items: center; gap: 12px; color: white; }
.strip-dot { width: 8px; height: 8px; background: var(--blue-accent); border-radius: 50%; flex-shrink: 0; }
.strip-text { font-size: 13px; font-weight: 500; }

/* ── Section shared ── */
.section { padding: 80px 32px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-title { font-size: clamp(26px,3vw,34px); font-weight: 800; color: var(--navy); letter-spacing: -0.5px; margin-bottom: 8px; }
.section-sub { font-size: 16px; color: var(--muted); margin-bottom: 48px; }

/* ── Filter Chips ── */
.filter-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chip {
  padding: 8px 18px; border-radius: 100px;
  border: 1.5px solid var(--border); background: white;
  color: var(--muted); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all .18s;
}
.chip:hover { border-color: var(--blue-accent); color: var(--blue-accent); }
.chip.active { background: var(--navy); color: white; border-color: var(--navy); }

/* ── Product Cards ── */
.products-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.product-card {
  background: white; border-radius: 16px; overflow: hidden;
  border: 1px solid var(--border); transition: box-shadow .2s, transform .2s;
  position: relative; display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: 0 8px 32px rgba(10,44,94,0.11); transform: translateY(-3px); }
.product-img-wrap { aspect-ratio: 1; background: var(--off-white); overflow: hidden; display: flex; align-items: center; justify-content: center; position: relative; }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.product-card:hover .product-img-wrap img { transform: scale(1.04); }
.product-img-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 8px; padding: 20px; text-align: center;
  background: linear-gradient(135deg,#EEF4FF,#E0EDFF);
}
.product-body { padding: 16px 18px; display: flex; flex-direction: column; }
.product-tag {
  position: absolute; top: 10px; left: 10px;
  display: inline-block; background: var(--blue-tint); color: var(--blue-mid);
  font-size: 11px; font-weight: 700; padding: 3px 9px;
  border-radius: 100px; letter-spacing: 0.3px; z-index: 1;
}
.product-tag.custom { background: #FFF0E0; color: #E25C00; }
.product-tag.terlaris { background: #E8F8EE; color: #0D7A3A; }
.product-name { font-family: 'Sora',sans-serif; font-size: 15px; font-weight: 700; color: var(--body); margin-bottom: 3px; line-height: 1.3; }
.product-dims { font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.product-price { font-family: 'Sora',sans-serif; font-size: 21px; font-weight: 800; color: var(--navy); margin-bottom: 14px; line-height: 1; }
.product-price span { font-size: 12px; font-weight: 500; color: var(--muted); font-family: 'DM Sans',sans-serif; }

/* ── Why Us ── */
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.why-card { background: white; border-radius: 16px; padding: 28px; border: 1px solid var(--border); transition: box-shadow .2s; }
.why-card:hover { box-shadow: 0 4px 20px rgba(10,44,94,0.08); }
.why-icon { width: 50px; height: 50px; background: var(--blue-tint); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 22px; }
.why-title { font-family: 'Sora',sans-serif; font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.why-desc { font-size: 14px; color: var(--muted); line-height: 1.65; }

/* ── Size Comparison ── */
.size-compare-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; align-items: end; }
.size-item { text-align: center; }
.size-bar-wrap { display: flex; align-items: flex-end; justify-content: center; height: 200px; }
.size-bar { background: linear-gradient(180deg,#2B7FDD,#1A56A8); border-radius: 10px 10px 0 0; width: 68px; transition: height .6s cubic-bezier(.4,0,.2,1); }
.size-label { font-family: 'Sora',sans-serif; font-size: 22px; font-weight: 800; color: var(--navy); margin-top: 12px; }
.size-dims { font-size: 12px; color: var(--muted); margin: 4px 0; }
.size-price { font-size: 14px; font-weight: 600; color: var(--blue-accent); margin-top: 2px; }

/* ── Serba Guna ── */
.guna-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.guna-tile {
  background: white; border-radius: 16px; padding: 24px 16px;
  text-align: center; border: 1px solid var(--border); transition: box-shadow .2s, transform .2s;
}
.guna-tile:hover { box-shadow: 0 4px 20px rgba(10,44,94,0.08); transform: translateY(-2px); }
.guna-emoji { font-size: 32px; margin-bottom: 10px; }
.guna-label { font-size: 13px; font-weight: 600; color: var(--body); }

/* ── CTA Banner ── */
.cta-banner { background: linear-gradient(135deg,#0A2C5E 0%,#1A56A8 55%,#2B7FDD 100%); padding: 80px 32px; text-align: center; }

/* ── Footer ── */
.footer { background: var(--navy); color: white; padding: 60px 32px 24px; }
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 56px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-bottom { max-width: 1280px; margin: 0 auto; padding-top: 24px; display: flex; justify-content: space-between; align-items: center; }
.footer-title { font-family: 'Sora',sans-serif; font-size: 14px; font-weight: 700; color: white; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.6); transition: color .2s; }
.footer-links a:hover { color: white; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; color: rgba(255,255,255,0.6); font-size: 14px; margin-bottom: 12px; line-height: 1.5; }
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.4); }

/* ── Sticky WA ── */
.sticky-wa {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 58px; height: 58px; background: var(--wa); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 24px rgba(37,211,102,0.45); transition: transform .2s;
}
.sticky-wa:hover { transform: scale(1.1); }
.sticky-wa-tip {
  position: absolute; right: 70px; background: white; color: var(--body);
  font-size: 13px; font-weight: 500; padding: 7px 14px; border-radius: 100px;
  white-space: nowrap; box-shadow: 0 2px 16px rgba(0,0,0,0.12);
  opacity: 0; pointer-events: none; transition: opacity .2s;
}
.sticky-wa:hover .sticky-wa-tip { opacity: 1; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #F5F8FC; }
::-webkit-scrollbar-thumb { background: #C5D8F0; border-radius: 3px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3,1fr); }
  .why-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu.open {
    display: block; position: fixed; top: 68px; left: 0; right: 0;
    background: white; padding: 16px 24px 24px; z-index: 99;
    border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(10,44,94,0.08);
  }
  .mobile-menu.open a { display: block; padding: 13px 0; font-size: 16px; font-weight: 500; border-bottom: 1px solid #F0F4FA; color: var(--body); }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 100px 16px 48px; }
  .feature-strip { padding: 14px 16px; }
  .feature-strip-inner { grid-template-columns: 1fr 1fr; gap: 10px; }
  .strip-text { font-size: 12px; }
  .products-grid { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .product-name { font-size: 13px; }
  .product-price { font-size: 17px; }
  .product-body { padding: 12px 14px; }
  .why-grid { grid-template-columns: 1fr; }
  .size-compare-grid { grid-template-columns: repeat(2,1fr); gap: 16px; }
  .size-bar { width: 52px; }
  .size-label { font-size: 18px; }
  .guna-grid { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
  .section { padding: 48px 16px; }
  .section-title { font-size: 22px; }
  .section-sub { font-size: 14px; margin-bottom: 32px; }
  .nav-inner { padding: 0 16px; }
  .cta-banner { padding: 56px 16px; }
  .btn-lg { padding: 13px 24px; font-size: 14px; }
  .stat-num { font-size: 22px; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .product-name { font-size: 12px; }
  .product-dims { font-size: 11px; }
  .product-price { font-size: 15px; }
  .product-body { padding: 10px 12px; }
  .btn-sm { padding: 8px 12px; font-size: 12px; }
  .btn-full { font-size: 12px; padding: 9px 10px; }
  .hero-badge { font-size: 11px; padding: 5px 10px; }
  .eyebrow-pill { font-size: 11px; }
  .stat-chip { padding: 10px 8px; }
  .stat-num { font-size: 20px; }
  .stat-label { font-size: 10px; }
  .guna-emoji { font-size: 26px; }
  .guna-label { font-size: 12px; }
  .guna-tile { padding: 16px 10px; }
  .size-bar-wrap { height: 160px; }
  .size-bar { width: 44px; }
  .size-label { font-size: 16px; }
  .size-dims { font-size: 11px; }
  .size-price { font-size: 12px; }
  .why-card { padding: 20px; }
  .strip-item { gap: 8px; }
  .strip-dot { width: 6px; height: 6px; }
  .feature-strip-inner { grid-template-columns: 1fr 1fr; gap: 8px 12px; }
  .feature-strip { padding: 14px 16px; }
  .strip-text { font-size: 11px; }
  .section-title { font-size: 20px; }
}

/* ── Nav Logo Size ── */
.nav-logo-img { height: 38px; width: auto; }
@media (max-width: 1024px) { .nav-logo-img { height: 30px; } }
@media (max-width: 768px) { .nav-logo-img { height: 26px; } }