/* ==========================================================================
   Wang Wang Seafood Distribution — Stylesheet
   ========================================================================== */

:root {
  /* Palette: deep ocean navy + brighter ocean teal accent */
  --color-navy-900: #0a1d2e;
  --color-navy-800: #0f2a40;
  --color-navy-700: #163a55;
  --color-navy-600: #1f4d6e;
  --color-navy-500: #2c6488;

  --color-ink: #10202b;
  --color-body: #45586a;
  --color-muted: #6b7c8c;

  --color-paper: #ffffff;
  --color-mist: #f4f7f9;
  --color-mist-2: #eaf0f4;
  --color-line: #dde5ea;

  --color-teal-300: #7fd6e0;
  --color-teal-400: #45c1d6;
  --color-teal-500: #1ea6bf;
  --color-teal-600: #14839a;

  --color-success: #2f7d5c;

  --font-display: "Fraunces", "Noto Sans SC", Georgia, serif;
  --font-body: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-w: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --shadow-sm: 0 2px 8px rgba(10, 29, 46, 0.06);
  --shadow-md: 0 12px 32px rgba(10, 29, 46, 0.10);
  --shadow-lg: 0 24px 60px rgba(10, 29, 46, 0.16);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

img, svg { display: block; max-width: 100%; }

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

ul { list-style: none; }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

section { position: relative; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Progress bar ---------- */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-teal-500), var(--color-teal-400));
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-teal-500);
  color: var(--color-navy-900);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-teal-400);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-primary-inverse {
  background: var(--color-paper);
  color: var(--color-navy-900);
}
.btn-primary-inverse:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.btn-ghost {
  border: 1.5px solid rgba(255,255,255,0.35);
  color: var(--color-paper);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.btn-small { padding: 11px 22px; font-size: 0.85rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  padding: 22px 0;
  transition: padding 0.35s var(--ease), background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.site-header.scrolled {
  padding: 12px 0;
  background: rgba(10, 29, 46, 0.97);
  box-shadow: 0 6px 24px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: var(--color-paper);
}
.brand-mark {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-teal-400);
  flex-shrink: 0;
}
.brand-mark svg { width: 32px; height: 32px; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand-sub {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-400);
  margin-top: 2px;
}

.main-nav {
  display: flex;
  gap: 34px;
}
.main-nav a {
  color: rgba(255,255,255,0.82);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--color-teal-400);
  transition: width 0.25s var(--ease);
}
.main-nav a:hover { color: var(--color-paper); }
.main-nav a:hover::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.85);
  font-size: 0.88rem;
  font-weight: 500;
}
.header-phone svg { color: var(--color-teal-400); }

.lang-switch {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  padding: 3px;
  flex-shrink: 0;
}
.lang-btn {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  transition: background 0.2s ease, color 0.2s ease;
}
.lang-btn:hover { color: var(--color-paper); }
.lang-btn.active {
  background: var(--color-teal-500);
  color: var(--color-navy-900);
}
.lang-btn.active:hover { color: var(--color-navy-900); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--color-paper);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  margin: 0 auto;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 100px;
  overflow: hidden;
  background-image:
    linear-gradient(100deg, rgba(8,20,32,0.94) 0%, rgba(8,20,32,0.80) 40%, rgba(8,20,32,0.45) 75%, rgba(8,20,32,0.35) 100%),
    linear-gradient(0deg, rgba(10,29,46,0.9) 0%, rgba(10,29,46,0) 40%),
    url("../img/hero-mackerel.jpg");
  background-size: cover, cover, cover;
  background-position: center, center, center 35%;
  background-repeat: no-repeat, no-repeat, no-repeat;
}
.hero-bg {
  position: absolute;
  inset: 0;
  color: var(--color-navy-900);
  pointer-events: none;
}
.hero-waves {
  /* Hero now blends directly into the matching navy "Who We Supply" band below,
     so the wave shape (sized for a hard cut to white) is no longer needed. */
  display: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-copy { max-width: 760px; }
.hero-served {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-teal-500);
  margin-bottom: 18px;
}
.eyebrow.light { color: var(--color-teal-400); }

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.85rem);
  color: var(--color-paper);
  margin-bottom: 24px;
}
.hero-lead {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.72);
  max-width: 620px;
  margin-bottom: 38px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-badges {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-badges span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  padding-left: 20px;
  position: relative;
  letter-spacing: 0.02em;
}
.hero-badges span::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-teal-400);
}


/* ---------- Section head ---------- */
.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); margin-bottom: 16px; }
.section-lead { font-size: 1.05rem; color: var(--color-muted); }

/* ---------- About ---------- */
.about { padding: 120px 0; background: var(--color-paper); }
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: center;
}
.about-visual { position: relative; }
.about-card {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-card img { width: 100%; height: 100%; object-fit: cover; }
.about-card-tag {
  position: absolute;
  bottom: -18px; left: -18px;
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-navy-800);
  box-shadow: var(--shadow-md);
}
.about-content h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin: 14px 0 20px; }
.about-content > p { margin-bottom: 26px; }
.check-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  font-size: 0.96rem;
  color: var(--color-body);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--color-mist-2);
  border: 1.5px solid var(--color-teal-500);
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 5px; top: 7px;
  width: 9px; height: 5px;
  border-left: 2px solid var(--color-teal-600);
  border-bottom: 2px solid var(--color-teal-600);
  transform: rotate(-45deg);
}
.text-link {
  font-weight: 600;
  color: var(--color-navy-800);
  border-bottom: 2px solid var(--color-teal-400);
  padding-bottom: 3px;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.text-link:hover { color: var(--color-teal-600); }
.text-link span { display: inline-block; transition: transform 0.2s var(--ease); }
.text-link:hover span { transform: translateX(4px); }

/* ---------- Who We Supply (now nested inside the hero) ---------- */
.served-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.served-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.served-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid var(--color-teal-500);
  color: var(--color-teal-400);
  display: flex;
  align-items: center;
  justify-content: center;
}
.served-icon svg { width: 30px; height: 30px; }
.served-item h4 { font-size: 1rem; color: rgba(255,255,255,0.85); }

/* ---------- Products ---------- */
.products { padding: 120px 0; background: var(--color-mist); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.products-grid-4 { grid-template-columns: repeat(4, 1fr); }
.product-card {
  background: var(--color-paper);
  border-radius: var(--radius-md);
  padding: 38px 32px;
  border: 1px solid var(--color-line);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.product-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  background: var(--color-navy-900);
  color: var(--color-teal-400);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.product-icon svg { width: 28px; height: 28px; }
.product-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 22px;
}
.product-photo img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s var(--ease); }
.product-card:hover .product-photo img { transform: scale(1.05); }
.product-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.product-card p { font-size: 0.94rem; color: var(--color-muted); }

/* ---------- Quality ---------- */
.quality {
  padding: 120px 0 0;
  background: linear-gradient(160deg, var(--color-navy-900), var(--color-navy-800));
  color: rgba(255,255,255,0.85);
  overflow: hidden;
}
.quality-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
}
.quality-content { padding-bottom: 120px; }
.quality h2 { color: var(--color-paper); font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin-bottom: 18px; }
.quality-content > p { color: rgba(255,255,255,0.65); margin-bottom: 40px; max-width: 520px; }
.quality-items { display: flex; flex-direction: column; gap: 28px; }
.quality-item { display: flex; gap: 20px; align-items: flex-start; }
.quality-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-teal-400);
  font-weight: 600;
  min-width: 40px;
}
.quality-item h4 { color: var(--color-paper); font-size: 1.05rem; margin-bottom: 6px; }
.quality-item p { font-size: 0.92rem; color: rgba(255,255,255,0.58); }
.quality-visual {
  grid-column: 2;
  grid-row: 1;
  position: absolute;
  inset: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
}
.boss-card {
  position: relative;
  width: 100%;
  max-width: 400px;
}
.boss-card img {
  width: auto;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}

/* ---------- Process ---------- */
.process { padding: 120px 0; background: var(--color-paper); }
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.process-track-3 { grid-template-columns: repeat(3, 1fr); max-width: 860px; margin: 0 auto; }
.process-line {
  position: absolute;
  top: 26px; left: 0; right: 0;
  height: 2px;
  background: var(--color-line);
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  padding-top: 0;
}
.process-index {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-paper);
  border: 2px solid var(--color-teal-500);
  color: var(--color-navy-800);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { font-size: 0.9rem; color: var(--color-muted); }

/* ---------- Contact ---------- */
.contact { padding: 120px 0; background: var(--color-paper); }
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 80px;
  align-items: center;
}
.contact-info h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin: 14px 0 18px; }
.contact-info > p { margin-bottom: 36px; max-width: 420px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.94rem;
  color: var(--color-body);
}
.contact-details svg { color: var(--color-teal-500); flex-shrink: 0; margin-top: 2px; }
.contact-details a { color: var(--color-body); transition: color 0.2s ease; }
.contact-details a:hover { color: var(--color-teal-600); }

.whatsapp-card {
  background: var(--color-mist);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  text-align: center;
}
.whatsapp-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: #25d366;
  color: var(--color-paper);
  display: flex;
  align-items: center;
  justify-content: center;
}
.whatsapp-card h3 { font-size: 1.3rem; margin-bottom: 10px; }
.whatsapp-card > p { font-size: 0.94rem; color: var(--color-muted); margin-bottom: 28px; }
.btn-whatsapp {
  background: #25d366;
  color: var(--color-paper);
}
.btn-whatsapp:hover { background: #1ebe5a; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.whatsapp-number {
  display: block;
  margin-top: 16px;
  font-size: 0.86rem;
  color: var(--color-muted);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-navy-900);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand { margin-bottom: 18px; color: var(--color-paper); }
.footer-brand p { font-size: 0.88rem; max-width: 300px; line-height: 1.7; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col h5 {
  font-family: var(--font-body);
  color: var(--color-paper);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.footer-col a { font-size: 0.9rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--color-teal-400); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 26px 0;
  font-size: 0.82rem;
}
.footer-social { display: flex; gap: 16px; }
.footer-social a {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease, color 0.2s ease;
}
.footer-social a:hover { background: var(--color-teal-500); color: var(--color-navy-900); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-navy-900);
  color: var(--color-teal-400);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s;
  z-index: 800;
}
.to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--color-navy-700); }

/* ---------- Mobile sticky CTA bar ---------- */
.mobile-cta-bar { display: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { transition: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1080px) {
  .about-grid, .quality-grid, .contact-grid { grid-template-columns: 1fr; gap: 56px; }
  .quality-visual { grid-column: 1; grid-row: auto; position: static; inset: auto; display: block; }
  .boss-card { max-width: 220px; margin: 0 auto; height: auto; }
  .boss-card img { width: 100%; height: auto; }
  .products-grid, .products-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process-track { grid-template-columns: repeat(3, 1fr); row-gap: 48px; }
  .process-track-3 { max-width: none; }
  .process-line { display: none; }
  .served-grid { grid-template-columns: repeat(2, 1fr); row-gap: 36px; }
  .footer-inner { grid-template-columns: 1fr 1fr; row-gap: 40px; }
}

@media (max-width: 860px) {
  .main-nav, .header-actions { display: none; }
  .nav-toggle { display: flex; }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 80vw);
    height: 100vh;
    background: var(--color-navy-900);
    padding: 100px 36px 40px;
    gap: 26px;
    box-shadow: -20px 0 50px rgba(0,0,0,0.3);
  }
  .main-nav.open a { font-size: 1.05rem; }

  .header-actions.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    position: fixed;
    top: auto;
    bottom: 40px;
    right: 0;
    left: auto;
    width: min(320px, 80vw);
    box-sizing: border-box;
    padding: 0 36px;
  }
  .header-actions.open .header-phone { color: rgba(255,255,255,0.75); }

  .process-track { grid-template-columns: repeat(2, 1fr); }

  /* Tighter section rhythm on mobile so users reach content and CTAs faster */
  .about, .products, .process, .contact { padding: 72px 0; }
  .quality { padding-top: 72px; }
  .quality-content { padding-bottom: 64px; }
  .section-head { margin-bottom: 40px; }
  .site-footer { padding-top: 56px; }
  .footer-inner { padding-bottom: 40px; }
  .footer-bottom { padding: 20px 0; }

  /* Hero: surface the headline + CTA before the long supporting paragraph */
  .hero { padding: 120px 0 72px; }
  .hero-copy { display: flex; flex-direction: column; }
  .hero .eyebrow { order: 1; }
  .hero h1 { order: 2; margin-bottom: 20px; }
  .hero-actions { order: 3; margin-bottom: 28px; }
  .hero-lead { order: 4; margin-bottom: 28px; font-size: 1rem; }
  .hero-badges { order: 5; }
  .hero-served { margin-top: 40px; padding-top: 32px; }

  /* Room at the bottom of the page for the sticky mobile CTA bar */
  body { padding-bottom: 72px; }
  .mobile-cta-bar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 850;
    gap: 10px;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    background: var(--color-paper);
    box-shadow: 0 -8px 24px rgba(10, 29, 46, 0.14);
  }
  .mobile-cta {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 10px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.92rem;
    transition: transform 0.2s var(--ease);
  }
  .mobile-cta:active { transform: scale(0.97); }
  .cta-call { background: var(--color-mist-2); color: var(--color-navy-900); }
  .cta-whatsapp { background: #25d366; color: var(--color-paper); }
  .to-top { bottom: 92px; right: 20px; }

  .hero-badges { gap: 14px 24px; }
}

@media (max-width: 640px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .hero { padding: 130px 0 90px; }
  .products-grid, .products-grid-4 { grid-template-columns: 1fr; }
  .product-card { padding: 28px 24px; }
  .served-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .process-track { grid-template-columns: 1fr; }
  .whatsapp-card { padding: 32px 24px; }
}