/* Ice Crest — Navy · Silver · White */
:root {
  --navy: #002147;
  --navy-deep: #00152d;
  --navy-soft: #0a2a4a;
  --silver: #a8b4c0;
  --silver-bright: #c8d0d8;
  --silver-metal: linear-gradient(135deg, #9aa8b5 0%, #e8eef3 45%, #8a96a3 100%);
  --white: #ffffff;
  --off-white: #f4f7fa;
  --mist: #e8eef3;
  --text: #0d1b2a;
  --text-muted: #4a5d73;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --font-display: 'Montserrat', system-ui, sans-serif;
  --font-body: 'Outfit', system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --radius: 4px;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 10000;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2rem);
}

.section { padding: clamp(4rem, 9vw, 6.5rem) 0; }
.section-tint { background: var(--off-white); }
.section-navy { background: var(--navy); color: var(--white); }

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.85rem;
}
.eyebrow.light { color: var(--silver-bright); }

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 1rem;
  text-wrap: balance;
}
.section-title.light { color: var(--white); }

.section-lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 36rem;
}

.section-head {
  margin-bottom: clamp(2rem, 5vw, 3rem);
  max-width: 40rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--navy);
  color: var(--white);
}
.btn-primary:hover { background: var(--navy-soft); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}
.btn-nav {
  background: var(--navy);
  color: var(--white);
  padding: 0.65rem 1.1rem;
}
.btn-nav:hover { background: var(--navy-soft); }
.btn-whatsapp,
.btn-whatsapp-direct {
  background: var(--whatsapp);
  color: var(--white);
  width: 100%;
  border: none;
}
.btn-whatsapp:hover,
.btn-whatsapp-direct:hover { background: var(--whatsapp-dark); }
.btn-whatsapp-direct {
  width: auto;
  margin-top: 1.5rem;
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.header.scrolled {
  border-bottom-color: var(--mist);
  box-shadow: 0 4px 24px rgba(0, 33, 71, 0.06);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  border-radius: 2px;
}
.logo-text-wrap { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy);
}
.logo-tag {
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  font-weight: 500;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-link:hover,
.nav-link.active { color: var(--navy); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.nav-toggle.open span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle.open span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Hero — full-bleed brand first */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transform: scale(1.02);
  animation: heroDrift 18s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  from { transform: scale(1.02) translateY(0); }
  to { transform: scale(1.06) translateY(-1.5%); }
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 21, 45, 0.35) 0%, rgba(0, 33, 71, 0.55) 40%, rgba(0, 21, 45, 0.92) 100%),
    linear-gradient(90deg, rgba(0, 33, 71, 0.5) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 7rem;
  padding-bottom: clamp(3rem, 8vw, 5rem);
  max-width: 40rem;
}
.hero-brand-logo {
  width: clamp(72px, 14vw, 110px);
  height: auto;
  margin-bottom: 1.25rem;
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.35));
  animation: logoRise 1s var(--ease) both;
}
@keyframes logoRise {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-brand { margin-bottom: 1.25rem; }
.hero-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.75rem, 9vw, 5rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.35);
}
.hero-line {
  display: block;
  width: min(100%, 280px);
  height: 1px;
  margin: 0.9rem 0;
  background: var(--silver-metal);
  transform-origin: left;
  animation: lineGrow 1.1s 0.35s var(--ease) both;
}
@keyframes lineGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
.hero-tagline {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 2vw, 0.95rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--silver-bright);
}
.hero-desc {
  font-size: clamp(1rem, 2.2vw, 1.15rem);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.88);
  max-width: 28rem;
  margin-bottom: 1.75rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

/* Features */
.features {
  background: var(--navy);
  color: var(--white);
  padding: 1.75rem 0;
  border-top: 1px solid rgba(168, 180, 192, 0.25);
}
.features-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  text-align: center;
  padding: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--silver-bright);
}
.feature-icon {
  width: 36px;
  height: 36px;
  color: var(--silver-bright);
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.about-copy p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.about-points {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.about-points li {
  position: relative;
  padding-left: 1.25rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--navy);
}
.about-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 8px;
  height: 1px;
  background: var(--silver);
}
.about-figure {
  position: relative;
}
.about-figure img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(0, 33, 71, 0.15);
}
.about-figure figcaption,
.doc-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Products */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
.product {
  background: var(--white);
  border: 1px solid var(--mist);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}
.product:hover {
  border-color: var(--silver);
  box-shadow: 0 16px 40px rgba(0, 33, 71, 0.08);
  transform: translateY(-4px);
}
.product-visual {
  color: var(--navy);
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
}
.product-visual svg { width: 64px; height: 64px; }
.product h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 0.5rem;
}
.product-size {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
}
.product-qty {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Quality / docs */
.docs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.doc-figure img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--mist);
  background: var(--off-white);
}

.nutrition-panel {
  background: var(--navy);
  color: var(--white);
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-radius: var(--radius);
}
.nutrition-panel h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.nutrition-panel h3 span {
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--silver);
  text-transform: none;
}
.nutrition-table-wrap { overflow-x: auto; }
.nutrition-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.nutrition-table th,
.nutrition-table td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid rgba(168, 180, 192, 0.2);
}
.nutrition-table th {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-bright);
}
.nutrition-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--silver);
}

/* Enquiry */
.enquiry-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: start;
}
.enquiry-lead {
  color: rgba(255, 255, 255, 0.75);
  max-width: 28rem;
}
.enquiry-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(168, 180, 192, 0.25);
  padding: clamp(1.5rem, 3vw, 2rem);
  border-radius: var(--radius);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-bright);
  margin-bottom: 0.4rem;
}
.req { color: #ff8a8a; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid transparent;
  border-radius: var(--radius);
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--silver);
  box-shadow: 0 0 0 3px rgba(168, 180, 192, 0.25);
}
.form-group input.error,
.form-group textarea.error { border-color: #e05c5c; }
.error-msg {
  display: block;
  min-height: 1.1em;
  font-size: 0.75rem;
  color: #ffb4b4;
  margin-top: 0.25rem;
}
.form-note {
  margin-top: 0.85rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
}
.form-success {
  margin-top: 0.85rem;
  padding: 0.75rem;
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.4);
  color: #b8f5d0;
  font-size: 0.9rem;
  text-align: center;
  border-radius: var(--radius);
}
.btn-whatsapp:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.contact-card {
  display: block;
  padding: 1.75rem;
  border: 1px solid var(--mist);
  background: var(--off-white);
  transition: border-color 0.25s, transform 0.25s var(--ease);
}
a.contact-card:hover {
  border-color: var(--navy);
  transform: translateY(-2px);
}
.contact-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 0.5rem;
}
.contact-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}
.contact-cta {
  font-size: 0.85rem;
  color: var(--text-muted);
}
.contact-address {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Footer */
.footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0 2rem;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
}
.logo-footer .logo-text,
.logo-footer .logo-tag { color: var(--white); }
.logo-footer .logo-tag { color: var(--silver); }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}
.footer-links a {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--silver-bright);
}
.footer-links a:hover { color: var(--white); }
.footer-meta a:hover { color: var(--white); }
.footer-copy { font-size: 0.8rem; color: rgba(255, 255, 255, 0.4); }
.footer-credit {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
  margin-top: -0.35rem;
}
.footer-credit a {
  color: var(--silver-bright);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}
.footer-credit a:hover { color: var(--white); }

.footer-qr {
  margin: 0.25rem 0 0.15rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
}
.footer-qr a {
  display: block;
  padding: 0.55rem;
  background: var(--white);
  border-radius: 6px;
  line-height: 0;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.footer-qr a:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}
.footer-qr img {
  width: 148px;
  height: 148px;
}
.footer-qr figcaption {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver-bright);
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--whatsapp);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
  transition: transform 0.25s var(--ease), background 0.25s;
}
.whatsapp-float svg { width: 28px; height: 28px; }
.whatsapp-float:hover {
  transform: scale(1.06);
  background: var(--whatsapp-dark);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-bg,
  .hero-brand-logo,
  .hero-line { animation: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .features-row { grid-template-columns: repeat(3, 1fr); }
  .about-grid,
  .enquiry-layout,
  .docs-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    inset: 4.25rem 0 auto;
    flex-direction: column;
    background: var(--white);
    padding: 1.5rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--mist);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease), opacity 0.35s;
  }
  .nav-links.open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }
  .form-row,
  .contact-grid { grid-template-columns: 1fr; }
  .features-row { grid-template-columns: repeat(2, 1fr); }
  .feature-item:last-child { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .whatsapp-float { right: 1rem; bottom: 1rem; width: 52px; height: 52px; }
}