/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --teal: #1e8276;
  --teal-dark: #177c70;
  --teal-light: #3eb8a8;
  --teal-50: #f0f9f8;
  --teal-100: #d4f0ed;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --gray-950: #030712;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
  --shadow-teal: 0 8px 24px rgba(30,130,118,0.2);
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.dark { color: var(--gray-100); background: var(--gray-950); }
img, video, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea { font-family: inherit; font-size: inherit; }
::selection { background: var(--teal); color: var(--white); }

/* ============ SCROLL PROGRESS ============ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--teal-light));
  z-index: 999; transition: width 0.1s;
}

/* ============ LAYOUT ============ */
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ============ TOP BAR ============ */
.topbar { background: var(--teal); color: var(--white); font-size: 12px; }
.topbar-inner {
  display: flex; flex-direction: column; align-items: center; justify-content: space-between;
  gap: 4px; padding: 8px 16px; max-width: 1200px; margin: 0 auto;
}
@media (min-width: 640px) { .topbar-inner { flex-direction: row; } }
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-link { display: flex; align-items: center; gap: 6px; transition: var(--transition); }
.topbar-link:hover { opacity: 0.8; }
.topbar-link svg { width: 14px; height: 14px; fill: currentColor; }
.topbar-email { display: none; }
@media (min-width: 640px) { .topbar-email { display: flex; align-items: center; gap: 6px; } }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-owner { font-weight: 500; }
.topbar-wa { display: flex; align-items: center; gap: 4px; transition: var(--transition); }
.topbar-wa:hover { opacity: 0.8; }
.topbar-wa svg { width: 14px; height: 14px; }

/* ============ HEADER ============ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition);
}
body.dark .header { background: rgba(3,7,18,0.95); border-bottom-color: var(--gray-800); }
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; max-width: 1200px; margin: 0 auto; gap: 16px;
}
.logo-link { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-img { height: 48px; width: auto; object-fit: contain; }
.logo-text { display: none; }
@media (min-width: 640px) { .logo-text { display: block; } }
.logo-name { font-size: 18px; font-weight: 800; color: var(--teal); line-height: 1.2; letter-spacing: -0.02em; }
body.dark .logo-name { color: var(--teal-light); }
.logo-tag { font-size: 10px; color: var(--gray-500); line-height: 1.2; font-weight: 500; }
body.dark .logo-tag { color: var(--gray-400); }

/* Desktop nav */
.nav-desktop { display: none; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; }
@media (min-width: 1024px) { .nav-desktop { display: flex; } }
.nav-desktop a { transition: var(--transition); position: relative; }
.nav-desktop a:hover { color: var(--teal); }
body.dark .nav-desktop a:hover { color: var(--teal-light); }
.nav-desktop a.active { color: var(--teal); }
body.dark .nav-desktop a.active { color: var(--teal-light); }
.nav-desktop a.active::after {
  content: ''; position: absolute; bottom: -6px; left: 0; right: 0;
  height: 2px; background: var(--teal); border-radius: 2px;
}

/* Header CTAs */
.header-ctas { display: flex; align-items: center; gap: 8px; }
.btn-quote {
  display: none; align-items: center; gap: 6px;
  background: var(--teal); color: var(--white);
  font-size: 12px; font-weight: 700; padding: 8px 16px;
  border-radius: 8px; transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.btn-quote:hover { background: var(--teal-dark); box-shadow: var(--shadow-teal); transform: translateY(-1px); }
.btn-quote svg { width: 14px; height: 14px; }
@media (min-width: 640px) { .btn-quote { display: flex; } }
.btn-partner {
  display: none; border: 2px solid var(--teal); color: var(--teal);
  font-size: 12px; font-weight: 700; padding: 6px 16px;
  border-radius: 8px; transition: var(--transition);
}
body.dark .btn-partner { border-color: var(--teal-light); color: var(--teal-light); }
.btn-partner:hover { background: var(--teal); color: var(--white); }
@media (min-width: 640px) { .btn-partner { display: inline-block; } }

/* Mobile menu */
.menu-toggle { display: block; padding: 8px; color: var(--gray-600); }
body.dark .menu-toggle { color: var(--gray-300); }
@media (min-width: 1024px) { .menu-toggle { display: none; } }
.menu-toggle svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2; }

/* Mobile nav */
.nav-mobile { display: none; border-top: 1px solid var(--gray-100); background: var(--white); }
body.dark .nav-mobile { background: var(--gray-950); border-top-color: var(--gray-800); }
.nav-mobile.open { display: block; }
@media (min-width: 1024px) { .nav-mobile { display: none !important; } }
.nav-mobile-inner { padding: 12px 16px; display: flex; flex-direction: column; gap: 12px; font-size: 14px; font-weight: 600; max-width: 1200px; margin: 0 auto; }
.nav-mobile-inner a:hover { color: var(--teal); }
body.dark .nav-mobile-inner a:hover { color: var(--teal-light); }
.nav-mobile-ctas { display: flex; gap: 8px; padding-top: 8px; }
.nav-mobile-ctas button { flex: 1; }

/* ============ HERO ============ */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: var(--white);
}
.hero-bg-pattern {
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 40%);
  pointer-events: none;
}
.hero-inner {
  position: relative; z-index: 1;
  padding: 48px 16px 56px; max-width: 1200px; margin: 0 auto;
  text-align: center;
}
@media (min-width: 768px) { .hero-inner { padding: 72px 16px 80px; } }
.hero-badge {
  display: inline-block; font-size: 11px; font-weight: 600;
  background: rgba(255,255,255,0.15); padding: 6px 16px;
  border-radius: 999px; margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.2);
  animation: fadeInDown 0.6s ease;
}
.hero-title {
  font-size: 32px; font-weight: 900; line-height: 1.15;
  letter-spacing: -0.03em; animation: fadeInUp 0.6s ease 0.1s both;
}
@media (min-width: 640px) { .hero-title { font-size: 44px; } }
@media (min-width: 768px) { .hero-title { font-size: 52px; } }
.hero-highlight {
  background: linear-gradient(135deg, #fff, #a2cac6);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  margin-top: 16px; font-size: 15px; color: rgba(255,255,255,0.85);
  max-width: 640px; margin-left: auto; margin-right: auto; line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}
@media (min-width: 640px) { .hero-subtitle { font-size: 17px; } }
.hero-ctas {
  margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; animation: fadeInUp 0.6s ease 0.3s both;
}
.btn-hero-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); color: var(--teal);
  font-size: 15px; font-weight: 700; padding: 12px 28px;
  border-radius: 10px; transition: var(--transition);
  box-shadow: var(--shadow-md);
}
.btn-hero-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-hero-primary svg { width: 18px; height: 18px; }
.btn-hero-secondary {
  border: 2px solid rgba(255,255,255,0.5); color: var(--white);
  font-size: 15px; font-weight: 700; padding: 10px 28px;
  border-radius: 10px; transition: var(--transition);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

/* Hero stats */
.hero-stats {
  margin-top: 40px; display: flex; align-items: center; justify-content: center;
  gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.6s ease 0.4s both;
}
@media (min-width: 640px) { .hero-stats { gap: 24px; } }
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 28px; font-weight: 900; line-height: 1; }
@media (min-width: 640px) { .hero-stat-num { font-size: 32px; } }
.hero-stat-label { font-size: 11px; color: rgba(255,255,255,0.7); margin-top: 4px; font-weight: 500; }
.hero-stat-divider { width: 1px; height: 32px; background: rgba(255,255,255,0.2); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ============ FEATURES STRIP ============ */
.features-strip {
  background: var(--white); border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100);
  padding: 28px 16px;
}
body.dark .features-strip { background: var(--gray-950); border-color: var(--gray-800); }
.features-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
@media (min-width: 768px) { .features-inner { grid-template-columns: repeat(4, 1fr); } }
.feature-item { display: flex; align-items: center; gap: 12px; }
.feature-icon {
  width: 42px; height: 42px; background: var(--teal-50); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
body.dark .feature-icon { background: rgba(30,130,118,0.15); }
.feature-text { font-size: 12px; color: var(--gray-600); line-height: 1.4; }
body.dark .feature-text { color: var(--gray-300); }
.feature-text strong { color: var(--gray-900); font-size: 13px; display: block; }
body.dark .feature-text strong { color: var(--gray-100); }

/* ============ SECTION HEADER ============ */
.section-header { text-align: center; margin-bottom: 32px; }
.section-badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  color: var(--teal); text-transform: uppercase; letter-spacing: 0.1em;
  background: var(--teal-50); padding: 6px 16px; border-radius: 999px; margin-bottom: 12px;
}
body.dark .section-badge { background: rgba(30,130,118,0.15); color: var(--teal-light); }
.section-title { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
@media (min-width: 640px) { .section-title { font-size: 36px; } }
.section-desc { margin-top: 12px; font-size: 14px; color: var(--gray-500); max-width: 560px; margin-left: auto; margin-right: auto; }
body.dark .section-desc { color: var(--gray-400); }

/* ============ PRODUCTS ============ */
.products-section { padding: 56px 16px; max-width: 1200px; margin: 0 auto; }
@media (min-width: 768px) { .products-section { padding: 72px 16px; } }

/* Filter tabs */
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; justify-content: center; }
.filter-tab {
  font-size: 13px; font-weight: 600; padding: 8px 18px; border-radius: 999px;
  border: 1px solid var(--gray-200); color: var(--gray-600); background: var(--white);
  transition: var(--transition);
}
body.dark .filter-tab { border-color: var(--gray-700); color: var(--gray-300); background: var(--gray-900); }
.filter-tab:hover { border-color: var(--teal); color: var(--teal); }
body.dark .filter-tab:hover { color: var(--teal-light); }
.filter-tab.active { background: var(--teal); color: var(--white); border-color: var(--teal); box-shadow: var(--shadow-teal); }

/* Product grid */
.product-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(4, 1fr); } }

/* Product card */
.product-card {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: var(--transition); position: relative;
}
body.dark .product-card { background: var(--gray-900); border-color: var(--gray-800); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--teal-light); }
.product-img-wrap {
  aspect-ratio: 1; background: var(--gray-50); overflow: hidden;
  display: flex; align-items: center; justify-content: center; padding: 20px;
  position: relative;
}
body.dark .product-img-wrap { background: var(--gray-800); }
.product-img-wrap img { width: 100%; height: 100%; object-fit: contain; transition: transform 0.3s ease; }
.product-card:hover .product-img-wrap img { transform: scale(1.08); }
.product-img-placeholder { font-size: 48px; color: var(--gray-300); }
.product-category-tag {
  position: absolute; top: 10px; left: 10px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  background: rgba(30,130,118,0.9); color: var(--white);
  padding: 4px 10px; border-radius: 6px; backdrop-filter: blur(4px);
}
.product-info { padding: 16px; display: flex; flex-direction: column; flex: 1; }
.product-code { font-size: 11px; font-weight: 700; color: var(--teal); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
body.dark .product-code { color: var(--teal-light); }
.product-name { font-size: 14px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; }
.product-desc { font-size: 12px; color: var(--gray-500); line-height: 1.5; margin-bottom: 14px; flex: 1; }
body.dark .product-desc { color: var(--gray-400); }
.btn-enquire {
  width: 100%; background: var(--teal); color: var(--white);
  font-size: 12px; font-weight: 700; padding: 10px 12px; border-radius: 8px;
  transition: var(--transition); display: flex; align-items: center; justify-content: center; gap: 6px;
}
.btn-enquire:hover { background: var(--teal-dark); box-shadow: var(--shadow-teal); }
.btn-enquire svg { width: 14px; height: 14px; }

/* ============ ABOUT ============ */
.about { background: var(--gray-50); border-top: 1px solid var(--gray-100); }
body.dark .about { background: var(--gray-900); border-top-color: var(--gray-800); }
.about-inner { padding: 56px 16px; max-width: 1200px; margin: 0 auto; }
@media (min-width: 768px) { .about-inner { padding: 72px 16px; } }
.about-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
@media (min-width: 768px) { .about-grid { grid-template-columns: 1.1fr 0.9fr; } }
.about-badge {
  display: inline-block; background: var(--teal-50); color: var(--teal);
  font-size: 12px; font-weight: 700; padding: 6px 16px; border-radius: 999px; margin-bottom: 16px;
}
body.dark .about-badge { background: rgba(30,130,118,0.15); color: var(--teal-light); }
.about-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.02em; }
@media (min-width: 640px) { .about-title { font-size: 34px; } }
.about-lead { font-size: 16px; color: var(--teal); font-weight: 600; margin-bottom: 16px; }
body.dark .about-lead { color: var(--teal-light); }
.about-text { font-size: 14px; color: var(--gray-600); margin-bottom: 14px; line-height: 1.7; }
body.dark .about-text { color: var(--gray-300); }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.stat { text-align: center; padding: 16px 8px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
body.dark .stat { background: var(--gray-800); }
.stat-num { font-size: 24px; font-weight: 900; color: var(--teal); }
body.dark .stat-num { color: var(--teal-light); }
.stat-label { font-size: 11px; color: var(--gray-500); margin-top: 4px; }
body.dark .stat-label { color: var(--gray-400); }

/* About collage */
.about-visual { display: flex; justify-content: center; }
.about-collage-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
  width: 100%; max-width: 500px; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-collage-grid img {
  width: 100%; aspect-ratio: 1; object-fit: contain;
  background: var(--white); transition: transform 0.3s ease;
}
body.dark .about-collage-grid img { background: var(--gray-800); }
.about-collage-grid img:hover { transform: scale(1.05); }

/* ============ TRUST SECTION ============ */
.trust-section { padding: 56px 16px; max-width: 1200px; margin: 0 auto; }
@media (min-width: 768px) { .trust-section { padding: 72px 16px; } }
.trust-inner { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .trust-inner { grid-template-columns: repeat(3, 1fr); } }
.trust-item {
  text-align: center; padding: 32px 20px;
  border: 1px solid var(--gray-100); border-radius: var(--radius-lg);
  transition: var(--transition);
}
body.dark .trust-item { border-color: var(--gray-800); }
.trust-item:hover { border-color: var(--teal-light); box-shadow: var(--shadow-md); transform: translateY(-4px); }
.trust-icon { font-size: 40px; margin-bottom: 16px; }
.trust-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.trust-item p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }
body.dark .trust-item p { color: var(--gray-400); }

/* ============ CONTACT ============ */
.contact { background: var(--teal); color: var(--white); }
.contact-inner { padding: 56px 16px; max-width: 1200px; margin: 0 auto; }
@media (min-width: 768px) { .contact-inner { padding: 72px 16px; } }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 40px; align-items: start; }
@media (min-width: 768px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; letter-spacing: -0.02em; }
@media (min-width: 640px) { .contact-title { font-size: 34px; } }
.contact-subtitle { font-size: 15px; color: rgba(255,255,255,0.85); margin-bottom: 28px; }
.contact-items { display: flex; flex-direction: column; gap: 16px; }
.contact-item { display: flex; align-items: center; gap: 14px; transition: var(--transition); padding: 8px; border-radius: var(--radius); }
.contact-item:hover { background: rgba(255,255,255,0.08); }
.contact-icon {
  width: 44px; height: 44px; background: rgba(255,255,255,0.15); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-icon svg { width: 20px; height: 20px; fill: currentColor; }
.contact-label { font-size: 11px; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 0.05em; }
.contact-value { font-size: 14px; font-weight: 600; }

/* Contact form */
.form-card {
  background: var(--white); border-radius: var(--radius-xl); padding: 32px;
  box-shadow: var(--shadow-lg);
}
body.dark .form-card { background: var(--gray-800); }
.form-title { font-size: 20px; font-weight: 800; margin-bottom: 4px; color: var(--gray-900); }
body.dark .form-title { color: var(--gray-100); }
.form-subtitle { font-size: 13px; color: var(--gray-500); margin-bottom: 20px; }
body.dark .form-subtitle { color: var(--gray-400); }
.form { display: flex; flex-direction: column; gap: 12px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 480px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form input, .form textarea {
  width: 100%; padding: 12px 16px; border-radius: 10px;
  border: 1px solid var(--gray-200); background: var(--gray-50);
  color: var(--gray-900); font-size: 14px; outline: none; transition: var(--transition);
}
.form input:focus, .form textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(30,130,118,0.12); background: var(--white); }
body.dark .form input, body.dark .form textarea { border-color: var(--gray-700); background: var(--gray-900); color: var(--gray-100); }
body.dark .form input:focus, body.dark .form textarea:focus { background: var(--gray-900); }
.form textarea { resize: vertical; }
.btn-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--teal); color: var(--white); font-size: 14px; font-weight: 700;
  padding: 12px 20px; border-radius: 10px; transition: var(--transition); margin-top: 4px;
}
.btn-submit:hover { background: var(--teal-dark); box-shadow: var(--shadow-teal); transform: translateY(-1px); }
.btn-submit svg { width: 16px; height: 16px; }

/* ============ FOOTER ============ */
.footer { background: var(--gray-900); color: var(--gray-300); }
.footer-inner { padding: 48px 16px; max-width: 1200px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 640px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-col-brand { }
.footer-desc { font-size: 13px; color: var(--gray-400); line-height: 1.7; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social-btn {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center; color: var(--gray-300);
  transition: var(--transition);
}
.footer-social-btn:hover { background: var(--teal); color: var(--white); transform: translateY(-2px); }
.footer-social-btn svg { width: 18px; height: 18px; }
.footer-col h4 { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a, .footer-col ul li { font-size: 13px; color: var(--gray-400); transition: var(--transition); }
.footer-col ul a:hover { color: var(--teal-light); }
.footer-certified { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--gray-800); }
.footer-cert-badge {
  font-size: 11px; font-weight: 600; color: var(--teal-light);
  background: rgba(62,184,168,0.1); padding: 6px 14px; border-radius: 999px;
}
.footer-bottom { border-top: 1px solid var(--gray-800); margin-top: 24px; padding-top: 24px; text-align: center; font-size: 12px; color: var(--gray-500); }

/* ============ FLOATING WHATSAPP ============ */
.float-wa {
  position: fixed; bottom: 24px; left: 24px; z-index: 90;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366; color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  transition: var(--transition); animation: pulse 2s infinite;
}
.float-wa:hover { transform: scale(1.1); }
.float-wa svg { width: 28px; height: 28px; }
@keyframes pulse { 0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); } 50% { box-shadow: 0 4px 24px rgba(37,211,102,0.6); } }

/* ============ BACK TO TOP ============ */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--teal); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md); transition: var(--transition);
  opacity: 0; pointer-events: none;
}
.back-to-top.show { opacity: 1; pointer-events: auto; }
.back-to-top:hover { background: var(--teal-dark); transform: translateY(-2px); }
.back-to-top svg { width: 22px; height: 22px; }

/* ============ MODAL ============ */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
  align-items: center; justify-content: center; padding: 16px;
}
.modal-overlay.open { display: flex; animation: fadeIn 0.2s ease; }
.modal {
  background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg);
  width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto;
  animation: modalIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
body.dark .modal { background: var(--gray-800); }
@keyframes modalIn { from { opacity: 0; transform: scale(0.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.modal-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 24px; border-bottom: 1px solid var(--gray-100);
}
body.dark .modal-header { border-bottom-color: var(--gray-700); }
.modal-header h3 { font-size: 20px; font-weight: 800; color: var(--gray-900); }
body.dark .modal-header h3 { color: var(--gray-100); }
.modal-subtitle { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
body.dark .modal-subtitle { color: var(--gray-400); }
.modal-close { color: var(--gray-400); padding: 4px; transition: var(--transition); }
.modal-close:hover { color: var(--gray-600); }
.modal-close svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; }
.modal-body { padding: 24px; }

/* ============ TOAST ============ */
.toast {
  display: none; position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 300; background: var(--gray-900); color: var(--white);
  padding: 14px 24px; border-radius: 12px; box-shadow: var(--shadow-lg);
  font-size: 14px; font-weight: 600; align-items: center; gap: 10px;
}
body.dark .toast { background: var(--gray-800); }
.toast.show { display: flex; animation: toastIn 0.3s ease; }
.toast svg { width: 20px; height: 20px; color: var(--teal-light); }
@keyframes toastIn { from { opacity: 0; transform: translateX(-50%) translateY(20px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ============ UTILITIES ============ */
.hidden { display: none !important; }