/* ============================================================
   ABS USA Group LLC — Main Stylesheet
   Design: Minimal · Professional · Modern
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:       #0d1b2a;
  --navy-mid:   #162436;
  --navy-light: #1e3552;
  --blue:       #2563eb;
  --blue-hover: #1d4ed8;
  --sky:        #38bdf8;
  --light:      #f8fafc;
  --white:      #ffffff;
  --text:       #1e293b;
  --text-muted: #64748b;
  --border:     #e2e8f0;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow:     0 4px 12px rgba(0,0,0,.10);
  --shadow-lg:  0 12px 32px rgba(0,0,0,.14);
  --radius:     8px;
  --radius-lg:  14px;
  --transition: all .25s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
h1,h2,h3,h4 { line-height: 1.2; letter-spacing: -.02em; }

/* ── Utility ──────────────────────────────────────────────── */
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-block; font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--sky); margin-bottom: 12px;
}
.section-heading {
  font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700;
  color: var(--navy); margin-bottom: 16px;
}
.section-heading.light { color: var(--white); }
.section-sub {
  font-size: 1.05rem; color: var(--text-muted); max-width: 580px; margin-bottom: 48px;
}
.section-sub.light { color: rgba(255,255,255,.7); }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: var(--radius);
  font-size: .95rem; font-weight: 600; cursor: pointer;
  transition: var(--transition); border: 2px solid transparent;
}
.btn-primary {
  background: var(--blue); color: var(--white);
}
.btn-primary:hover { background: var(--blue-hover); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-outline {
  background: transparent; color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--white); }
.btn-outline-dark {
  background: transparent; color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-dark:hover { background: var(--navy); color: var(--white); }

/* ── Navigation ───────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-lg); }
.navbar {
  display: flex; align-items: center; justify-content: space-between;
  height: 90px; max-width: 1180px; margin: 0 auto; padding: 0 24px;
}
.logo img { height: 68px; width: auto; max-width: 300px; object-fit: contain; }
.nav-links {
  display: flex; align-items: center; gap: 8px;
}
.nav-links a {
  color: var(--navy); font-size: .9rem; font-weight: 500;
  padding: 8px 16px; border-radius: 6px;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--blue); background: rgba(37,99,235,.07); }
.nav-cta {
  background: var(--blue) !important; color: var(--white) !important;
  padding: 9px 22px !important; border-radius: var(--radius) !important;
}
.nav-cta:hover { background: var(--blue-hover) !important; }

/* Mobile hamburger */
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--navy); border-radius: 2px; transition: var(--transition);
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1800&q=80') center/cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,27,42,.92) 0%, rgba(22,36,54,.80) 100%);
}
.hero-content {
  position: relative; z-index: 1; max-width: 680px;
  padding: 120px 24px 80px; margin: 0 auto 0 0;
  padding-left: max(24px, calc((100vw - 1180px)/2 + 24px));
}
.hero-eyebrow {
  font-size: .8rem; font-weight: 600; letter-spacing: .15em; text-transform: uppercase;
  color: var(--sky); margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem); font-weight: 800;
  color: var(--white); margin-bottom: 20px; letter-spacing: -.03em;
}
.hero-subtitle {
  font-size: 1.15rem; color: rgba(255,255,255,.75);
  max-width: 480px; margin-bottom: 40px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 48px; margin-top: 72px;
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 36px;
}
.hero-stat .num {
  display: block; font-size: 2rem; font-weight: 800;
  color: var(--white); letter-spacing: -.03em;
}
.hero-stat .label {
  font-size: .8rem; font-weight: 500; letter-spacing: .08em;
  text-transform: uppercase; color: rgba(255,255,255,.5);
}

/* ── Section spacing ──────────────────────────────────────── */
section { padding: 96px 0; }
section.tight { padding: 64px 0; }

/* ── About Strip ──────────────────────────────────────────── */
.about-strip {
  background: var(--navy); padding: 80px 0;
}
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.about-grid .section-heading { color: var(--white); }
.about-grid p { color: rgba(255,255,255,.7); margin-bottom: 16px; font-size: 1rem; }
.about-grid .btn-primary { margin-top: 12px; }
.about-img {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img img { width: 100%; height: 420px; object-fit: cover; }

/* ── Value Props ──────────────────────────────────────────── */
.values { background: var(--light); }
.values-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 0;
}
.value-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 28px;
  transition: var(--transition);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.value-icon {
  width: 52px; height: 52px; background: rgba(37,99,235,.08);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.value-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.value-card p { font-size: .9rem; color: var(--text-muted); line-height: 1.6; }

/* ── Products Teaser ──────────────────────────────────────── */
.products-teaser { background: var(--white); }
.cat-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px;
}
.cat-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer; transition: var(--transition);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.cat-card:hover img { transform: scale(1.04); }
.cat-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(13,27,42,.85) 0%, rgba(13,27,42,.2) 60%, transparent 100%);
}
.cat-card-label {
  position: absolute; bottom: 20px; left: 20px; color: var(--white);
}
.cat-card-label span { font-size: 1.1rem; display: block; }
.cat-card-label h3 { font-size: 1.1rem; font-weight: 700; }

/* ── Brands Marquee ───────────────────────────────────────── */
.brands-strip { background: var(--light); padding: 56px 0; overflow: hidden; }
.brands-strip h3 {
  text-align: center; font-size: .8rem; font-weight: 600;
  letter-spacing: .15em; text-transform: uppercase;
  color: var(--text-muted); margin-bottom: 36px;
}
.marquee-track {
  display: flex; gap: 48px; align-items: center;
  animation: marquee 30s linear infinite;
  width: max-content;
}
.marquee-track img {
  height: 34px; width: auto;
  filter: grayscale(100%); opacity: .5;
  transition: var(--transition);
}
.marquee-track img:hover { filter: none; opacity: 1; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ── Pool Spa Section ─────────────────────────────────────── */
.pool-spa {
  background: linear-gradient(135deg, #0369a1 0%, #0ea5e9 100%);
  padding: 80px 0;
}
.pool-spa-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.pool-spa .section-heading { color: var(--white); margin-bottom: 12px; }
.pool-spa p { color: rgba(255,255,255,.85); max-width: 480px; margin-bottom: 0; }
.pool-spa .btn-outline { color: var(--white); border-color: rgba(255,255,255,.6); }

/* ── Contact ──────────────────────────────────────────────── */
.contact { background: var(--light); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 64px; align-items: start;
}
.contact-info-card {
  background: var(--navy); border-radius: var(--radius-lg);
  padding: 44px 40px; color: var(--white);
}
.contact-info-card h3 {
  font-size: 1.4rem; font-weight: 700; margin-bottom: 32px;
  padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.1);
}
.contact-item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-item-icon {
  width: 42px; height: 42px; background: rgba(255,255,255,.08);
  border-radius: 10px; display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0; margin-top: 2px;
}
.contact-item-body strong { display: block; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--sky); margin-bottom: 4px; }
.contact-item-body p, .contact-item-body a { color: rgba(255,255,255,.8); font-size: .95rem; line-height: 1.6; }
.contact-item-body a:hover { color: var(--white); }

.contact-form-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 44px 40px;
}
.contact-form-card h3 { font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.contact-form-card p { color: var(--text-muted); margin-bottom: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: .95rem; font-family: inherit;
  color: var(--text); background: var(--white); transition: var(--transition);
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-submit { width: 100%; padding: 14px; font-size: 1rem; font-weight: 600; border: none; margin-top: 8px; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer {
  background: var(--navy); color: rgba(255,255,255,.6);
  padding: 56px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 48px; margin-bottom: 48px;
}
.footer-brand img { height: 72px; margin-bottom: 16px; object-fit: contain; }
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 280px; }
.footer-col h4 {
  color: var(--white); font-size: .8rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px;
}
.footer-col a {
  display: block; font-size: .9rem; color: rgba(255,255,255,.55);
  margin-bottom: 10px; transition: var(--transition);
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 28px; display: flex;
  justify-content: space-between; align-items: center; gap: 16px;
  font-size: .85rem;
}

/* ── Page Hero (inner pages) ──────────────────────────────── */
.page-hero {
  background: var(--navy); padding: 140px 0 64px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  color: var(--white); margin-bottom: 12px;
}
.page-hero p { color: rgba(255,255,255,.65); font-size: 1.05rem; max-width: 520px; }
.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: .8rem; color: rgba(255,255,255,.4); margin-bottom: 20px;
}
.breadcrumb a { color: var(--sky); }
.breadcrumb span { opacity: .4; }

/* ── Products Page ────────────────────────────────────────── */
.cat-filter-bar {
  position: sticky; top: 72px; z-index: 900;
  background: var(--white); border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.cat-filter-inner {
  display: flex; gap: 4px; overflow-x: auto;
  padding: 14px 24px; max-width: 1180px; margin: 0 auto;
  scrollbar-width: none;
}
.cat-filter-inner::-webkit-scrollbar { display: none; }
.cat-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 18px; border-radius: 40px; white-space: nowrap;
  font-size: .88rem; font-weight: 600; cursor: pointer;
  background: transparent; border: 1.5px solid var(--border);
  color: var(--text-muted); transition: var(--transition);
}
.cat-btn:hover { border-color: var(--blue); color: var(--blue); background: rgba(37,99,235,.04); }
.cat-btn.active { background: var(--blue); color: var(--white); border-color: var(--blue); }
.cat-btn .cat-emoji { font-size: 1rem; }

.products-body { padding: 72px 0 96px; }
.cat-section { margin-bottom: 80px; scroll-margin-top: 140px; }
.cat-section-header {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 36px; padding-bottom: 20px;
  border-bottom: 2px solid var(--border);
}
.cat-section-header .emoji { font-size: 1.8rem; }
.cat-section-header h2 { font-size: 1.6rem; font-weight: 800; color: var(--navy); }
.cat-section-header .count {
  font-size: .8rem; font-weight: 600; color: var(--text-muted);
  background: var(--light); border-radius: 20px; padding: 4px 12px;
  margin-left: auto;
}

/* Brand sections */
.brand-section { margin-bottom: 52px; }
.brand-header {
  display: flex; align-items: center; gap: 16px; margin-bottom: 20px;
}
.brand-logo-wrap {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 20px;
  display: flex; align-items: center; justify-content: center;
  height: 56px; min-width: 120px;
}
.brand-logo-wrap img {
  height: 28px; width: auto; max-width: 120px;
  object-fit: contain; filter: grayscale(30%);
}
.brand-name { font-size: 1.05rem; font-weight: 700; color: var(--navy); }

.product-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.product-card {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; background: var(--white);
  transition: var(--transition);
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.product-card-img {
  aspect-ratio: 4/3; overflow: hidden; background: var(--light);
}
.product-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-body { padding: 14px 16px; }
.product-card-body p {
  font-size: .85rem; font-weight: 600; color: var(--text);
  line-height: 1.4;
}
.product-card-body span {
  font-size: .78rem; color: var(--text-muted); margin-top: 4px; display: block;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-img { order: -1; }
  .about-img img { height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
  .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; background: var(--navy); padding: 16px 24px 24px; gap: 4px; border-top: 1px solid rgba(255,255,255,.08); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-stats { gap: 28px; }
  .values-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand { grid-column: 1; }
  .form-row { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .pool-spa-inner { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.4rem; }
  .hero-cta { flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
  .contact-info-card, .contact-form-card { padding: 28px 24px; }
}