@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Sora:wght@400;500;600&display=swap');

:root {
  --bg: #0d1114;
  --surface: #141a1f;
  --surface-2: #1b2228;
  --border: #2c3640;
  --text: #f1f5f7;
  --muted: #9fb0ba;
  --accent: #7dd1df;
  --accent-2: #4fb2c3;
  --shadow: rgba(0, 0, 0, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Sora', system-ui, sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(125, 209, 223, 0.12), transparent 40%),
    radial-gradient(circle at 80% 10%, rgba(79, 178, 195, 0.16), transparent 35%),
    var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: clamp(0.95rem, 0.85rem + 0.4vw, 1.05rem);
}

h1 {
  font-size: clamp(2rem, 1.6rem + 2.5vw, 3.6rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.6rem);
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.05rem, 0.95rem + 0.6vw, 1.25rem);
  line-height: 1.3;
}

p {
  margin: 0 0 1rem;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(1140px, 92%);
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 1rem;
  background: var(--accent);
  color: #0b0f12;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  z-index: 1000;
}

.skip-link:focus {
  left: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(44, 54, 64, 0.6);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0;
}

.brand-logo {
  height: 44px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links .btn-primary {
  color: #0b1114;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  gap: 4px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  display: block;
  background: var(--text);
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
  min-height: 44px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: #7dd1df;
  color: #0b1114;
  border: 2px solid #a6e7f0;
  box-shadow: 0 8px 16px rgba(125, 209, 223, 0.25);
  padding: 0.8rem 1.6rem;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  transform: translateY(-1px);
  background: #9fe3ee;
  color: #0b1114;
  box-shadow: 0 10px 18px rgba(125, 209, 223, 0.3);
}

.btn-ghost {
  background: #1b2329;
  color: var(--text);
  border: 1px solid transparent;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.hero {
  padding: 5rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0.75rem 0 1rem;
  font-family: 'Space Grotesk', sans-serif;
}

.hero-subhead {
  color: var(--muted);
  font-size: clamp(1rem, 0.95rem + 0.4vw, 1.1rem);
  max-width: 520px;
}

.theme-line {
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.85rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1.5rem;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.trust-badges span {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(125, 209, 223, 0.15);
  color: var(--accent);
  border: 1px solid rgba(125, 209, 223, 0.35);
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-media img {
  border-radius: 24px;
  box-shadow: 0 25px 45px var(--shadow);
}

section {
  padding: 4.5rem 0;
}

.section-title {
  margin-bottom: 2rem;
}

.section-title h2 {
  font-family: 'Space Grotesk', sans-serif;
  margin: 0 0 0.5rem;
}

.section-title p {
  color: var(--muted);
  max-width: 640px;
}

.categories-grid,
.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.categories-grid article,
.applications-grid article {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.2);
}

.category-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 150px;
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid rgba(125, 209, 223, 0.18);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-text {
  display: grid;
  gap: 0.4rem;
  max-width: calc(100% - 120px);
}

.category-media {
  width: 96px;
  aspect-ratio: 1 / 1;
  border-radius: 16px;
  border: 1px solid rgba(125, 209, 223, 0.2);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
  background: rgba(15, 20, 24, 0.6);
  padding: 8px;
}

.category-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: filter 0.2s ease;
  max-width: 100%;
  max-height: 100%;
}

.category-card:hover {
  transform: translateY(-2px);
  border-color: rgba(125, 209, 223, 0.35);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.category-card:hover .category-img {
  filter: brightness(1.08);
}

.categories-grid .category-card:nth-child(1) .category-img {
  transform: scale(0.92);
}

.categories-grid .category-card:nth-child(2) .category-img,
.categories-grid .category-card:nth-child(3) .category-img {
  transform: scale(0.94);
}

.categories-grid h3,
.applications-grid h3 {
  margin: 0 0 0.5rem;
}

.categories-grid p,
.applications-grid p {
  color: var(--muted);
  margin: 0;
}

.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  background: var(--surface-2);
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.filters label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.filters input,
.filters select,
.quote-form input,
.quote-form textarea {
  background: #0f1418;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  border-radius: 12px;
  font-size: 0.95rem;
}

.filters input:focus,
.filters select:focus,
.quote-form input:focus,
.quote-form textarea:focus {
  outline: 2px solid rgba(125, 209, 223, 0.6);
  border-color: var(--accent);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.product-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.25);
  display: grid;
  gap: 0.6rem;
}

.product-card h3 {
  margin: 0;
}

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

.product-meta {
  display: grid;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
}

.about-card {
  background: linear-gradient(135deg, rgba(125, 209, 223, 0.12), rgba(27, 34, 40, 0.8));
  border: 1px solid rgba(125, 209, 223, 0.3);
  padding: 2rem;
  border-radius: 20px;
}

.about-card ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.75rem;
  color: var(--muted);
}

.about-card li::before {
  content: '•';
  color: var(--accent);
  display: inline-block;
  margin-right: 0.5rem;
}

.cta-band {
  background: linear-gradient(120deg, rgba(125, 209, 223, 0.2), rgba(79, 178, 195, 0.05));
  border-top: 1px solid rgba(125, 209, 223, 0.3);
  border-bottom: 1px solid rgba(125, 209, 223, 0.3);
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.contact-details p {
  margin: 0.5rem 0;
  color: var(--muted);
}

.quote-form {
  background: var(--surface-2);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border);
}

.form-field {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.form-note {
  color: var(--accent);
  font-size: 0.9rem;
  min-height: 1.2rem;
}

.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid rgba(44, 54, 64, 0.6);
  background: #0b0f12;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  color: var(--muted);
}

.whatsapp-fab {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  background: color-mix(in srgb, #25d366 88%, var(--bg) 12%);
  color: #0b1210;
  border: none;
  padding: 0.75rem 1.05rem;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 12px 22px rgba(37, 211, 102, 0.22);
  cursor: pointer;
  z-index: 200;
}

.whatsapp-fab:hover,
.whatsapp-fab:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 24px rgba(37, 211, 102, 0.26);
}

.whatsapp-fab span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

@media (max-width: 1024px) {
  .container {
    width: min(1140px, 94%);
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: grid;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    right: 0;
    background: #0d1216;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem;
    flex-direction: column;
    align-items: flex-start;
    min-width: 210px;
    display: none;
  }

  .nav-links.open {
    display: flex;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(1140px, 90%);
  }

  .header-inner {
    padding: 1rem 0;
  }

  .brand-logo {
    height: 32px;
  }

  .hero {
    padding: 3.5rem 0 3rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
  }

  .hero-media img {
    margin: 0 auto;
  }

  .filters input,
  .filters select,
  .quote-form input,
  .quote-form textarea,
  .btn {
    font-size: 16px;
  }

  .quote-form button,
  .hero-actions .btn {
    width: 100%;
  }

  .whatsapp-fab {
    right: 1rem;
    bottom: 1rem;
    padding: 0.65rem 0.9rem;
  }
}

@media (max-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .category-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    min-height: auto;
  }

  .category-card h3 {
    font-size: 1rem;
  }

  .category-card p {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .category-media {
    width: 92px;
    margin-top: 0.9rem;
    align-self: center;
  }

  .category-img {
    transform: none;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(1140px, 88%);
  }

  .header-inner {
    padding: 0.9rem 0;
  }

  .trust-badges span {
    font-size: 0.8rem;
  }
}

@media (max-width: 380px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .category-card,
  .category-img,
  .btn,
  .whatsapp-fab {
    transition: none;
  }
}