/* SaigonAura v2 — layout & theme */
:root {
  --navy: #0f1b2d;
  --navy-soft: #1a2d4a;
  --coral: #ff5c47;
  --coral-hover: #e84a36;
  --mint: #3ecfad;
  --bg: #eef1f6;
  --surface: #ffffff;
  --text: #1a2332;
  --text-soft: #5c6b7f;
  --border: #d8dee8;
  --radius: 14px;
  --radius-pill: 999px;
  --font: "Outfit", system-ui, sans-serif;
  --font-display: "Syne", sans-serif;
  --header-h: 68px;
  --promo-h: 36px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 16px 48px rgba(15, 27, 45, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

a { color: var(--navy-soft); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--coral); }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; }
h1 { font-size: clamp(2rem, 5.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.05rem; font-family: var(--font); font-weight: 600; }

.label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 0.6rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Promo */
.promo-bar {
  background: var(--navy);
  color: #b8c5d9;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  letter-spacing: 0.02em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.6rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s, color 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn--accent {
  background: var(--coral);
  color: #fff;
  border-color: var(--coral);
}
.btn--accent:hover { background: var(--coral-hover); border-color: var(--coral-hover); color: #fff; }

.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.6);
}
.btn--outline-light:hover { background: rgba(255,255,255,0.12); color: #fff; }

.btn--sm { padding: 0.45rem 1rem; font-size: 0.85rem; }

/* Cookie */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%) translateY(140%);
  z-index: 2000;
  width: min(520px, calc(100% - 2rem));
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s;
}
.cookie-banner.is-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.cookie-banner p { flex: 1; font-size: 0.875rem; min-width: 180px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-header--overlay {
  position: absolute;
  top: var(--promo-h);
  left: 0;
  right: 0;
  background: transparent;
  border: none;
}

.site-header--overlay .logo,
.site-header--overlay .main-nav a { color: #fff; }
.site-header--overlay .nav-toggle span { background: #fff; }

.site-header--solid {
  position: sticky;
  top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.site-header--solid .logo,
.site-header--solid .main-nav a { color: var(--text); }
.site-header--solid .nav-toggle span { background: var(--text); }

.header-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: inherit;
}
.logo:hover { color: inherit; opacity: 0.9; }
.logo-icon { color: var(--coral); font-size: 0.9rem; }
.logo--footer { color: #fff; margin-bottom: 0.75rem; }
.logo--footer .logo-icon { color: var(--mint); }

.main-nav {
  display: flex;
  gap: 1.75rem;
}
.main-nav a {
  font-weight: 500;
  font-size: 0.92rem;
  color: inherit;
}
.main-nav a:hover { color: var(--coral); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  transition: transform 0.3s, opacity 0.3s;
}

/* Hero full-bleed */
.hero-banner {
  position: relative;
  min-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 320px;
  align-items: end;
  margin-top: calc(-1 * (var(--promo-h) + var(--header-h)));
  padding-top: calc(var(--promo-h) + var(--header-h) + 2rem);
  overflow: hidden;
}

.hero-banner__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-banner__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(15,27,45,0.92) 0%, rgba(15,27,45,0.55) 55%, rgba(15,27,45,0.25) 100%);
  z-index: 1;
}

.hero-banner__content {
  position: relative;
  z-index: 2;
  padding: 3rem 1.25rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  grid-column: 1;
  color: #fff;
}

.hero-banner__lead {
  max-width: 28rem;
  margin: 1rem 0 1.75rem;
  color: rgba(255,255,255,0.82);
  font-size: 1.05rem;
}

.hero-banner__btns { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.hero-banner__side {
  position: relative;
  z-index: 2;
  grid-column: 2;
  padding: 2rem 1.25rem 2rem 0;
  display: flex;
  align-items: flex-end;
}

.hero-banner__side img {
  width: 100%;
  max-height: 420px;
  border-radius: var(--radius);
  border: 3px solid rgba(255,255,255,0.25);
  box-shadow: var(--shadow);
}

/* Category pills */
.category-strip {
  max-width: 1200px;
  margin: -1.5rem auto 0;
  padding: 0 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  position: relative;
  z-index: 5;
}

.cat-pill {
  padding: 0.55rem 1.15rem;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text-soft);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(15,27,45,0.06);
}
.cat-pill:hover,
.cat-pill.is-active {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

/* Products */
.section-block {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1.25rem;
}

.section-block__head {
  margin-bottom: 2rem;
}
.section-block__head p { color: var(--text-soft); margin-top: 0.35rem; }

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

.product-tile {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s;
}
.product-tile:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.product-tile__media {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--border);
}
.product-tile__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.product-tile:hover .product-tile__media img { transform: scale(1.05); }

.product-tile__info { padding: 1.1rem 1.25rem 1.35rem; }
.product-tile__tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mint);
}
.product-tile__info h3 { margin: 0.35rem 0; }
.product-tile__price {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--coral);
}
.product-tile__note {
  font-size: 0.78rem;
  color: var(--text-soft);
  margin-top: 0.25rem;
}

/* Trust band */
.trust-band {
  max-width: 1200px;
  margin: 0 auto 2rem;
  padding: 0 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.trust-card {
  background: var(--navy);
  color: #c5d0e0;
  padding: 1.5rem;
  border-radius: var(--radius);
}
.trust-card h3 { color: #fff; margin-bottom: 0.4rem; }
.trust-card p { font-size: 0.9rem; }
.trust-card a { color: var(--mint); }
.trust-card a:hover { color: #fff; }
.trust-card__icon {
  display: inline-flex;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  background: var(--coral);
  color: #fff;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

/* Showcase */
.showcase {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.showcase__media {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/11;
  background: var(--border);
}
.showcase__media img { width: 100%; height: 100%; }

.showcase__text p:not(.label) {
  color: var(--text-soft);
  margin: 0.75rem 0 1.25rem;
}

/* Gallery row */
.gallery-row {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.gallery-row img {
  border-radius: var(--radius);
  aspect-ratio: 3/4;
  width: 100%;
  background: var(--border);
}

/* CTA */
.cta-panel {
  max-width: 1200px;
  margin: 0 auto 4rem;
  padding: 2.5rem 2rem;
  text-align: center;
  background: linear-gradient(135deg, var(--coral) 0%, #ff8a6b 100%);
  border-radius: var(--radius);
  color: #fff;
  margin-left: 1.25rem;
  margin-right: 1.25rem;
  width: auto;
}
.cta-panel h2 { margin-bottom: 0.5rem; }
.cta-panel p { opacity: 0.92; margin-bottom: 1.25rem; }
.cta-panel .btn--accent {
  background: #fff;
  color: var(--coral);
  border-color: #fff;
}
.cta-panel .btn--accent:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #9aadc4;
  padding: 3rem 1.25rem 2rem;
}

.footer-cols {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.footer-cols h3 {
  color: #fff;
  font-size: 0.85rem;
  font-family: var(--font);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-cols a {
  display: block;
  color: #9aadc4;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}
.footer-cols a:hover { color: var(--mint); }

.footer-meta { font-size: 0.85rem; line-height: 1.55; margin-top: 0.35rem; }

.footer-copy {
  max-width: 1200px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.82rem;
}

/* Inner pages */
.page-top {
  background: var(--navy);
  color: #fff;
  padding: 5rem 1.25rem 3rem;
  margin-top: calc(-1 * var(--promo-h));
}
.page-top--inner { padding-top: calc(5rem + var(--promo-h)); }

.page-top h1 { margin-bottom: 0.5rem; }
.page-top .lead { color: rgba(255,255,255,0.8); max-width: 36rem; }
.page-top .updated { font-size: 0.85rem; opacity: 0.7; margin-top: 0.5rem; }

.breadcrumb {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-size: 0.85rem;
  color: var(--text-soft);
}
.breadcrumb a { color: var(--text-soft); }

.page-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: -1.5rem;
  position: relative;
  z-index: 2;
  width: calc(100% - 2.5rem);
}

.page-body h2 {
  font-family: var(--font);
  font-size: 1.15rem;
  color: var(--navy-soft);
  margin: 1.75rem 0 0.6rem;
}
.page-body p, .page-body li { color: var(--text-soft); margin-bottom: 0.85rem; }
.page-body ul, .page-body ol { margin-left: 1.25rem; margin-bottom: 1rem; }

.about-layout {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
}
.stat-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--coral);
}
.stat-item span { font-size: 0.75rem; color: var(--text-soft); }

.about-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.about-photos img {
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 1;
  background: var(--border);
}
.about-photos img:first-child {
  grid-row: span 2;
  aspect-ratio: auto;
  min-height: 100%;
}

.contact-layout {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2rem;
}

.info-panel, .form-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.info-panel h2, .form-panel h2 {
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.info-row { margin-bottom: 1.25rem; }
.info-row label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral);
  margin-bottom: 0.3rem;
}

.info-panel img {
  margin-top: 1.25rem;
  border-radius: var(--radius);
  width: 100%;
  aspect-ratio: 16/10;
}

.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font);
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: 2px solid var(--mint);
  outline-offset: 0;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-hint { font-size: 0.8rem; color: var(--text-soft); margin-top: 0.75rem; }
.form-success {
  display: none;
  margin-top: 1rem;
  padding: 0.85rem;
  background: rgba(62, 207, 173, 0.15);
  color: #1a7a62;
  border-radius: 10px;
  font-size: 0.9rem;
}
.form-success.is-visible { display: block; }

/* Responsive */
@media (max-width: 960px) {
  .hero-banner {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-banner__side {
    grid-column: 1;
    padding: 0 1.25rem 2rem;
    max-width: 280px;
  }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-band { grid-template-columns: 1fr; }
  .showcase { grid-template-columns: 1fr; }
  .gallery-row { grid-template-columns: 1fr 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
  .about-layout, .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: calc(var(--promo-h) + var(--header-h));
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--surface);
    padding: 1.25rem;
    gap: 0.75rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s, opacity 0.35s;
  }
  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .site-header--overlay .main-nav a { color: var(--text); }
  .nav-toggle.is-active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-toggle.is-active span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .product-grid { grid-template-columns: 1fr; }
  .gallery-row { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr; }
  .about-photos { grid-template-columns: 1fr; }
  .about-photos img:first-child { grid-row: span 1; }
}