/* ============================================================
   Neptora Exim — Main Stylesheet
   Brand: #00B8D4 (Primary Cyan), #0097A7 (Secondary), #00E5FF (Accent)
   Theme: Light background throughout
   ============================================================ */

/* ─────────────────────────────────────────
   DESIGN TOKENS / CSS VARIABLES
───────────────────────────────────────── */
:root {
  /* Brand Colors */
  --primary:        #00B8D4;
  --primary-dark:   #0097A7;
  --primary-light:  #00E5FF;
  --primary-soft:   #E0F7FA;
  --primary-mid:    #B2EBF2;

  /* Text Colors */
  --text-dark:      #263238;
  --text-body:      #37474F;
  --text-muted:     #607D8B;

  /* Background Colors */
  --bg-white:       #FFFFFF;
  --bg-light:       #F5F8FC;
  --bg-cyan-tint:   #F0FBFC;

  /* UI */
  --border:         #E0F0F2;
  --border-light:   #EEF6F8;
  --shadow-sm:      0 2px 8px rgba(0,184,212,0.08);
  --shadow-md:      0 6px 24px rgba(0,184,212,0.13);
  --shadow-lg:      0 16px 48px rgba(0,184,212,0.18);
  --shadow-dark:    0 4px 16px rgba(38,50,56,0.10);

  /* Radius */
  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      22px;
  --radius-xl:      32px;
  --radius-full:    9999px;

  /* Fonts */
  --font-head:      'Outfit', 'Segoe UI', system-ui, sans-serif;
  --font-body:      'Inter', 'Segoe UI', system-ui, sans-serif;

  /* Spacing scale (8px base) */
  --sp-1:  8px;
  --sp-2:  16px;
  --sp-3:  24px;
  --sp-4:  32px;
  --sp-5:  40px;
  --sp-6:  48px;
  --sp-7:  56px;
  --sp-8:  64px;
  --sp-10: 80px;
  --sp-12: 96px;

  --section-py:     var(--sp-12);  /* 96px */
  --section-gap:    var(--sp-7);   /* 56px — section-header margin-bottom */
  --card-pad:       var(--sp-4);   /* 32px — standard card padding */
  --card-gap:       var(--sp-3);   /* 24px — gap between cards */
  --nav-h:          72px;
  --container-max:  1200px;

  /* Transitions */
  --ease:           cubic-bezier(.22,1,.36,1);
  --dur-fast:       160ms;
  --dur-normal:     280ms;
  --dur-slow:       500ms;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  color: var(--text-dark);
  line-height: 1.2;
  font-weight: 700;
}

a {
  color: var(--primary-dark);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

a:hover { color: var(--primary); }

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

ul { list-style: none; }

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

/* ─────────────────────────────────────────
   UTILITY CLASSES
───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-py) 0;
}

.bg-white      { background: var(--bg-white); }
.bg-light      { background: var(--bg-light); }
.bg-cyan-tint  { background: var(--bg-cyan-tint); }

.text-gradient {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mt-3 { margin-top: 24px; }

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: var(--section-gap);
}

.section-label {
  display: inline-block;
  padding: 6px 18px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.0625rem;
  max-width: 580px;
  margin: 0 auto;
}

/* ─────────────────────────────────────────
   BUTTONS
───────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: transform var(--dur-normal) var(--ease),
              box-shadow var(--dur-normal) var(--ease),
              opacity var(--dur-fast);
  box-shadow: 0 4px 18px rgba(0,184,212,0.30);
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,184,212,0.40);
  color: #fff;
  opacity: 0.95;
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0,184,212,0.25);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--primary-dark);
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}

.btn-outline:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 15px 36px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #25D366;
  color: #fff;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--dur-normal) var(--ease);
  box-shadow: 0 4px 16px rgba(37,211,102,0.28);
  text-decoration: none;
}

.btn-whatsapp:hover {
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.36);
  color: #fff;
}

/* ─────────────────────────────────────────
   SCROLL ANIMATION SYSTEM
───────────────────────────────────────── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity var(--dur-slow) var(--ease),
              transform var(--dur-slow) var(--ease);
}

.animate-on-scroll.from-left {
  transform: translateX(-40px);
}

.animate-on-scroll.from-right {
  transform: translateX(40px);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translate(0);
}

/* Stagger delays */
.stagger-1 { transition-delay: 60ms; }
.stagger-2 { transition-delay: 120ms; }
.stagger-3 { transition-delay: 180ms; }
.stagger-4 { transition-delay: 240ms; }
.stagger-5 { transition-delay: 300ms; }
.stagger-6 { transition-delay: 360ms; }

@media (prefers-reduced-motion: reduce) {
  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ─────────────────────────────────────────
   NAVBAR
───────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-normal) var(--ease),
              border-color var(--dur-normal) var(--ease),
              box-shadow var(--dur-normal) var(--ease);
  height: var(--nav-h);
}

#navbar.scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-color: var(--border);
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 0;
  height: var(--nav-h);
}

.nav-brand {
  flex-shrink: 0;
  margin-right: auto;
}

.nav-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  object-position: left center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 24px;
}

.nav-link {
  padding: 8px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: all var(--dur-fast) var(--ease);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
  transform: scaleX(0);
  transition: transform var(--dur-normal) var(--ease);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-dark);
}

.nav-link.active::after { transform: scaleX(1); }
.nav-link:hover::after  { transform: scaleX(1); }

.nav-cta {
  flex-shrink: 0;
  padding: 10px 22px;
  font-size: 0.875rem;
}

.nav-cta-mobile { display: none; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
  border: none;
  margin-left: 12px;
  transition: background var(--dur-fast);
}

.menu-toggle:hover { background: var(--primary-soft); }

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-dark);
  border-radius: 1px;
  transition: transform var(--dur-normal) var(--ease),
              opacity var(--dur-fast);
}

/* Open state */
#navbar.mobile-open .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
#navbar.mobile-open .hamburger-line:nth-child(2) {
  opacity: 0;
}
#navbar.mobile-open .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ─────────────────────────────────────────
   HERO SECTION
───────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  background: linear-gradient(160deg, #FFFFFF 0%, #E0F7FA 50%, #F5F8FC 100%);
  overflow: hidden;
}

.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(72px);
  pointer-events: none;
}

.hero-blob-1 {
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(0,184,212,0.14) 0%, transparent 70%);
  top: -100px;
  right: -80px;
}

.hero-blob-2 {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(0,229,255,0.10) 0%, transparent 70%);
  bottom: 20px;
  left: -60px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 80px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
  border: 1px solid rgba(0,184,212,0.20);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.3); opacity: 0.7; }
}

.hero-text h1 {
  font-size: clamp(2rem, 5.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1;
}

.stat-lbl {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Hero visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}

.hero-card-main {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: min(300px, 90vw);
}

.hero-card-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.hero-card-main h3 {
  font-size: 1.25rem;
  color: var(--text-dark);
  margin-bottom: 4px;
}

.hero-card-main p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.hero-cert-row {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.cert-chip {
  padding: 4px 12px;
  background: var(--primary-soft);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,184,212,0.18);
}

.hero-float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  font-size: 0.8125rem;
  z-index: 2;
}

.hero-float-card span:first-child { font-size: 1.5rem; }
.hero-float-card strong { display: block; font-size: 1rem; font-weight: 700; color: var(--text-dark); }
.hero-float-card small  { color: var(--text-muted); font-size: 0.7rem; }

.fc-1 { top: 10%; right: -10px; animation: floatY 4s ease-in-out infinite; }
.fc-2 { bottom: 15%; right: -12px; animation: floatY 4s ease-in-out infinite 1.5s; }
.fc-3 { top: 45%; left: -12px; animation: floatY 4s ease-in-out infinite 0.8s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--primary);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background: var(--primary);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}

@keyframes scrollDown {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* ─────────────────────────────────────────
   CERTIFICATIONS MARQUEE
───────────────────────────────────────── */
.cert-marquee-section {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 0;
  overflow: hidden;
}

.marquee-wrapper {
  overflow: hidden;
  padding: 18px 0;
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 0;
  width: max-content;
  animation: marqueeScroll 28s linear infinite;
}

.marquee-track:hover { animation-play-state: paused; }

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.mq-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 32px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-body);
  white-space: nowrap;
  border-right: 1px solid var(--border);
}

.mq-item svg { color: var(--primary); flex-shrink: 0; }
.mq-item img { border-radius: 4px; object-fit: contain; flex-shrink: 0; }

/* ─────────────────────────────────────────
   ABOUT SECTION
───────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: start;
}

.about-content .section-label { margin-bottom: 12px; }

.about-content .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.75;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  margin-bottom: var(--sp-1);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-dark);
}

.about-feature svg {
  flex-shrink: 0;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 50%;
  padding: 3px;
  width: 26px;
  height: 26px;
}

/* Stat Cards */
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

.stat-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-3);
  text-align: center;
  transition: all var(--dur-normal) var(--ease);
  box-shadow: var(--shadow-sm);
}

.stat-card:hover {
  border-color: var(--primary-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.stat-card-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.stat-card-num {
  font-family: var(--font-head);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-card-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ─────────────────────────────────────────
   PRODUCTS GRID
───────────────────────────────────────── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-mid);
}

.product-card-img {
  height: 180px;
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease);
}

.product-card:hover .product-card-img img {
  transform: scale(1.05);
}

.product-card-body {
  padding: var(--sp-3);
}

.product-icon {
  font-size: 1.75rem;
  margin-bottom: 10px;
  display: block;
}

.product-card-body h3 {
  font-size: 1.0625rem;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.product-card-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-dark);
  transition: gap var(--dur-fast) var(--ease);
}

.card-link:hover { gap: 10px; color: var(--primary); }

/* ─────────────────────────────────────────
   PRODUCT DETAILS / TABS
───────────────────────────────────────── */
.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-bottom: var(--sp-5);
  border-bottom: 2px solid var(--border-light);
  padding-bottom: 0;
}

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: all var(--dur-fast) var(--ease);
}

.tab-btn:hover {
  color: var(--primary-dark);
  background: var(--primary-soft);
}

.tab-btn.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
  background: var(--primary-soft);
}

.tab-panels {
  position: relative;
  min-height: 300px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeInUp 0.3s var(--ease);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.tab-header {
  margin-bottom: var(--sp-3);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--border-light);
}

.tab-header h3 {
  font-size: 1.375rem;
  margin-bottom: 6px;
}

.tab-header p {
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  list-style: none;
}

.product-list li {
  padding: 10px 16px;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-body);
  transition: all var(--dur-fast) var(--ease);
}

.product-list li:hover {
  background: var(--primary-soft);
  border-color: var(--primary-mid);
  color: var(--primary-dark);
}

.product-list-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-4);
}

.product-subgroup h4 {
  font-size: 0.9375rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--primary-soft);
}

.tab-cta {
  margin-top: var(--sp-5);
  text-align: center;
  padding: var(--sp-4);
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.tab-cta p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

/* ─────────────────────────────────────────
   MISSION & VISION
───────────────────────────────────────── */
.mv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--card-gap);
}

.mv-card {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease);
  position: relative;
  overflow: hidden;
}

.mv-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

.mv-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.mv-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.mv-card h3 {
  font-size: 1.375rem;
  margin-bottom: 16px;
  color: var(--primary-dark);
}

.mv-card p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.mv-card p:last-child { margin-bottom: 0; }

/* ─────────────────────────────────────────
   VALUES GRID
───────────────────────────────────────── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}

.value-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--card-pad) var(--sp-4);
  text-align: center;
  transition: all var(--dur-normal) var(--ease);
  box-shadow: var(--shadow-sm);
}

.value-card:hover {
  border-color: var(--primary-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.value-icon {
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: var(--radius-lg);
  margin: 0 auto var(--sp-3);
  transition: all var(--dur-normal) var(--ease);
}

.value-card:hover .value-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.value-card h3 {
  font-size: 1.0625rem;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─────────────────────────────────────────
   WHY CHOOSE US — FEATURES GRID
───────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}

.feature-item {
  display: flex;
  gap: var(--sp-2);
  align-items: flex-start;
  padding: var(--sp-3);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease);
}

.feature-item:hover {
  border-color: var(--primary-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: var(--radius-md);
  transition: all var(--dur-normal) var(--ease);
}

.feature-item:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.feature-body h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.feature-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ─────────────────────────────────────────
   CERTIFICATIONS CARDS
───────────────────────────────────────── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--card-gap);
}

.cert-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: var(--card-pad) var(--sp-3);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--dur-normal) var(--ease);
}

.cert-card:hover {
  border-color: var(--primary-mid);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.cert-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  margin-bottom: var(--sp-2);
  color: var(--primary-dark);
}

.cert-card-icon img {
  max-height: 48px;
  width: auto;
  object-fit: contain;
  margin: 0 auto;
}

.cert-card h4 {
  font-size: 1.0625rem;
  margin-bottom: 6px;
  color: var(--primary-dark);
}

.cert-card p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ─────────────────────────────────────────
   FAQ
───────────────────────────────────────── */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
}

.faq-item[open] {
  border-color: var(--primary-mid);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  padding: var(--sp-3) var(--sp-3);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: background var(--dur-fast) var(--ease);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 1.375rem;
  font-weight: 300;
  color: var(--primary);
  flex-shrink: 0;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: '\2212';
}

.faq-item summary:hover {
  background: var(--primary-soft);
  color: var(--primary-dark);
}

.faq-answer {
  padding: 0 var(--sp-3) var(--sp-3);
}

.faq-answer p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ─────────────────────────────────────────
   CONTACT
───────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: start;
}

.contact-form-wrapper h3,
.contact-info h3 {
  font-size: 1.375rem;
  margin-bottom: 8px;
}

.contact-form-wrapper > p,
.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 24px;
}

.contact-form { margin-top: 8px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: 0.7; }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,184,212,0.14);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-feedback {
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  display: none;
}

.form-feedback.show {
  display: block;
  animation: fadeInUp 0.3s var(--ease);
}

.form-feedback.success {
  background: #E8F5E9;
  color: #2E7D32;
  border: 1px solid #C8E6C9;
}

.form-feedback.error {
  background: #FFEBEE;
  color: #C62828;
  border: 1px solid #FFCDD2;
}

/* Contact Info */
.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--dur-fast) var(--ease);
  box-shadow: var(--shadow-sm);
}

.contact-item:hover {
  border-color: var(--primary-mid);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.ci-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary-dark);
  border-radius: var(--radius-sm);
}

.ci-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ci-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.ci-text strong {
  font-size: 0.9375rem;
  color: var(--text-dark);
}

.contact-social {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}

.contact-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--bg-light);
  color: var(--text-body);
  border-radius: 50%;
  border: 1px solid var(--border);
  transition: all var(--dur-fast) var(--ease);
}

.contact-social a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ─────────────────────────────────────────
   FOOTER
───────────────────────────────────────── */
#footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.75);
  padding-top: 64px;
  padding-bottom: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: var(--sp-8);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid rgba(255,255,255,0.10);
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 14px;
  color: rgba(255,255,255,0.6);
}

.footer-logo {
  display: inline-block;
}

.footer-logo img {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border-radius: 50%;
  transition: all var(--dur-fast) var(--ease);
}

.footer-social a:hover {
  background: var(--primary);
  color: #fff;
}

.footer-col h4 {
  font-size: 0.9375rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a,
.footer-col ul li {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.60);
  transition: color var(--dur-fast) var(--ease);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-col ul li a:hover { color: var(--primary-light); }

.footer-contact-list li svg { color: var(--primary); flex-shrink: 0; }

.footer-certs {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.footer-certs img {
  height: 28px;
  width: auto;
  object-fit: contain;
  opacity: 0.75;
  filter: brightness(0) invert(1);
  border-radius: 3px;
}

.cert-badge-sm {
  padding: 3px 10px;
  background: rgba(0,184,212,0.20);
  color: var(--primary-light);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,229,255,0.20);
  letter-spacing: 0.06em;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.40);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  color: rgba(255,255,255,0.45);
  font-size: 0.8125rem;
}

.footer-bottom-links a:hover { color: var(--primary-light); }

/* ─────────────────────────────────────────
   WHATSAPP FLOATING BUTTON
───────────────────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 88px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: #25D366;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  z-index: 900;
  transition: all var(--dur-normal) var(--ease);
  text-decoration: none;
}

.whatsapp-float:hover {
  background: #1ebe57;
  transform: scale(1.1);
  color: #fff;
}

.wa-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--text-dark);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease);
}

.wa-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 5px solid transparent;
  border-left-color: var(--text-dark);
}

.whatsapp-float:hover .wa-tooltip { opacity: 1; }

/* ─────────────────────────────────────────
   BACK TO TOP BUTTON
───────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: all var(--dur-normal) var(--ease);
  box-shadow: 0 4px 16px rgba(0,184,212,0.36);
  border: none;
  cursor: pointer;
}

.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ─────────────────────────────────────────
   RESPONSIVE — TABLET  (≤1024px)
───────────────────────────────────────── */
@media (max-width: 1024px) {
  :root {
    --section-py: var(--sp-10);    /* 80px */
    --section-gap: var(--sp-6);   /* 48px */
    --card-pad:    var(--sp-3);   /* 24px */
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
    text-align: center;
    padding-bottom: var(--sp-8);
  }

  .hero-text h1 { font-size: 2.5rem; }

  .hero-buttons { justify-content: center; }

  .hero-stats { justify-content: center; }

  .hero-visual { min-height: 280px; }

  .hero-float-card { display: none; }

  .hero-card-main { max-width: 340px; margin: 0 auto; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }

  .about-content .section-title { text-align: center; }

  .about-features { align-items: center; }

  .products-grid { grid-template-columns: repeat(3, 1fr); }

  .values-grid   { grid-template-columns: repeat(3, 1fr); }

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

  .certs-grid    { grid-template-columns: repeat(4, 1fr); }

  .mv-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-3);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--sp-5);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-5);
  }

  .footer-brand { grid-column: 1 / -1; }
}

/* ─────────────────────────────────────────
   RESPONSIVE — MOBILE (≤768px)
───────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-py:   var(--sp-8);   /* 64px */
    --section-gap:  var(--sp-4);   /* 32px */
    --card-pad:     var(--sp-3);   /* 24px */
    --card-gap:     var(--sp-2);   /* 16px */
    --nav-h: 64px;
  }

  .container { padding: 0 var(--sp-2); }

  .section-header { margin-bottom: var(--section-gap); }

  .section-label { font-size: 0.75rem; padding: 5px 14px; }

  .section-title { font-size: clamp(1.6rem, 6vw, 2rem); }

  /* ── Nav: full-screen overlay ── */
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    height: 100dvh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    padding: var(--nav-h) 24px 32px;
    margin: 0;
    z-index: 998;
    overflow-y: auto;
  }

  #navbar.mobile-open .nav-links { display: flex; }

  .nav-links li { width: 100%; text-align: center; }

  .nav-link {
    display: block;
    padding: 14px 20px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    border-radius: var(--radius-md);
    letter-spacing: 0.01em;
  }

  .nav-link.active,
  .nav-link:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
  }

  .nav-link::after { display: none; }

  .nav-cta { display: none; }

  .nav-cta-mobile {
    display: block;
    width: 100%;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
  }

  .nav-cta-mobile a {
    display: block;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--radius-full);
    text-align: center;
    box-shadow: 0 6px 20px rgba(0,184,212,0.35);
    letter-spacing: 0.02em;
  }

  .menu-toggle { display: flex; z-index: 1001; position: relative; }

  /* ── Hero ── */
  #hero {
    min-height: auto;
    padding-bottom: 0;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 28px;
    padding-bottom: 48px;
    text-align: center;
  }

  .hero-text { order: 1; }

  .hero-visual { display: none; }

  .hero-badge {
    font-size: 0.75rem;
    padding: 5px 14px;
    margin-bottom: 16px;
  }

  .hero-text h1 {
    font-size: clamp(2rem, 8vw, 2.6rem);
    line-height: 1.1;
    letter-spacing: -0.025em;
    margin-bottom: 16px;
  }

  .hero-desc {
    font-size: 0.9375rem;
    margin-bottom: 28px;
    color: var(--text-muted);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 32px;
  }

  .btn-lg {
    width: 100%;
    justify-content: center;
    padding: 15px 24px;
    font-size: 0.9375rem;
    border-radius: var(--radius-full);
  }

  /* Stats as a pill chip row */
  .hero-stats {
    display: flex;
    justify-content: center;
    gap: 0;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    padding: 12px 20px;
    box-shadow: var(--shadow-sm);
  }

  .hero-stat { flex: 1; text-align: center; }

  .stat-num { font-size: 1.5rem; }

  .stat-lbl { font-size: 0.65rem; }

  .hero-stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
    align-self: center;
  }

  .scroll-indicator { display: none; }

  /* ── About ── */
  .about-grid { gap: 28px; }

  .about-content .section-title { text-align: center; }

  .about-features { align-items: flex-start; }

  /* Stat cards: horizontal scroll snap strip */
  .about-stats {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 14px;
    padding-bottom: 8px;
    scrollbar-width: none;
    grid-template-columns: unset;
  }

  .about-stats::-webkit-scrollbar { display: none; }

  .stat-card {
    flex: 0 0 140px;
    scroll-snap-align: start;
    padding: 22px 16px;
  }

  /* ── Products: horizontal card layout ── */
  .products-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .product-card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    border-radius: var(--radius-md);
  }

  .product-card-img {
    width: 110px;
    min-width: 110px;
    height: auto;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    flex-shrink: 0;
  }

  .product-card-img img {
    height: 100%;
    min-height: 120px;
  }

  .product-card-body {
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
  }

  .product-icon { font-size: 1.25rem; margin-bottom: 4px; }

  .product-card-body h3 { font-size: 0.9375rem; margin-bottom: 4px; }

  .product-card-body p { font-size: 0.8125rem; margin-bottom: 8px; line-height: 1.5; }

  /* ── Tabs — scrollable pill row ── */
  .tab-nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 8px;
    border-bottom: none;
    padding-bottom: 4px;
    margin-bottom: 24px;
  }

  .tab-nav::-webkit-scrollbar { display: none; }

  .tab-btn {
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 0.8125rem;
    white-space: nowrap;
    border-radius: var(--radius-full);
    border-bottom: none;
    background: var(--bg-light);
    color: var(--text-muted);
    border: 1px solid var(--border-light);
    margin-bottom: 0;
  }

  .tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark)) !important;
    color: #fff !important;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(0,184,212,0.30) !important;
  }

  .product-list { grid-template-columns: 1fr 1fr; gap: 8px; }

  .product-list li { font-size: 0.8125rem; padding: 8px 12px; }

  .product-list-group { grid-template-columns: 1fr; }

  /* ── Values: icon-left horizontal cards ── */
  .values-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .value-card {
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    padding: 18px 20px;
  }

  .value-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    margin: 0;
    border-radius: var(--radius-md);
  }

  .value-card h3 { font-size: 0.9375rem; margin-bottom: 4px; }

  .value-card p { font-size: 0.8125rem; line-height: 1.5; }

  /* ── Features ── */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .feature-item { padding: 18px; gap: 14px; }

  .feature-icon { width: 44px; height: 44px; flex-shrink: 0; }

  .feature-body h3 { font-size: 0.9375rem; }

  .feature-body p { font-size: 0.8125rem; }

  /* ── Certs: 3-col compact ── */
  .certs-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }

  .cert-card { padding: 20px 12px; }

  .cert-card h4 { font-size: 0.875rem; }

  .cert-card p { font-size: 0.75rem; }

  /* ── Mission/Vision ── */
  .mv-card {
    padding: 26px 20px;
    border-radius: var(--radius-lg);
  }

  /* ── Contact ── */
  .contact-grid { gap: 32px; }

  .form-row { grid-template-columns: 1fr; }

  .form-group input,
  .form-group textarea,
  .form-group select { font-size: 16px; }

  .contact-item { padding: 14px 16px; }

  /* ── FAQ ── */
  .faq-item summary { padding: 18px 20px; font-size: 0.9375rem; }

  .faq-answer { padding: 0 20px 20px; }

  /* ── Footer ── */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }

  .footer-bottom-links { justify-content: center; }

  /* ── Floating buttons ── */
  .whatsapp-float { bottom: 80px; right: 16px; width: 52px; height: 52px; }

  .back-to-top { bottom: 20px; right: 16px; width: 42px; height: 42px; }
}

/* ─────────────────────────────────────────
   RESPONSIVE — SMALL MOBILE (≤480px)
───────────────────────────────────────── */
@media (max-width: 480px) {
  :root {
    --section-py:  var(--sp-7);   /* 56px */
    --section-gap: var(--sp-4);   /* 32px */
  }

  .container { padding: 0 var(--sp-2); }

  /* ── Hero ── */
  .hero-text h1 { font-size: clamp(1.75rem, 7.5vw, 2.2rem); }

  .hero-stats { padding: 10px 16px; }

  .stat-num { font-size: 1.375rem; }

  .stat-lbl { font-size: 0.6rem; }

  /* ── Products ── */
  .product-card-img { width: 96px; min-width: 96px; }

  .product-card-body { padding: 12px 14px; }

  .product-card-body h3 { font-size: 0.875rem; }

  .product-card-body p { display: none; }

  /* ── Product list ── */
  .product-list { grid-template-columns: 1fr 1fr; gap: 6px; }

  /* ── About stats ── */
  .stat-card { flex: 0 0 128px; }

  .stat-card-num { font-size: 1.75rem; }

  /* ── Tabs ── */
  .tab-btn { padding: 7px 13px; font-size: 0.75rem; }

  /* ── Certs ── */
  .certs-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }

  /* ── Values ── */
  .value-card { padding: 16px; gap: 12px; }

  .value-icon { width: 44px; height: 44px; }

  /* ── Tab CTA ── */
  .tab-cta { padding: 22px 16px; }

  /* ── Marquee ── */
  .mq-item { padding: 0 18px; font-size: 0.8125rem; }
}

/* ─────────────────────────────────────────
   FOCUS VISIBLE (keyboard accessibility)
───────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ─────────────────────────────────────────
   PRINT STYLES
───────────────────────────────────────── */
@media print {
  #navbar, .whatsapp-float, .back-to-top, .scroll-indicator { display: none; }
  body { background: #fff; color: #000; }
  .section { padding: 24px 0; }
}

/* ─────────────────────────────────────────
   PAGE LOADER
───────────────────────────────────────── */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
}

.page-loader.hide {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo img {
  animation: loaderPulse 1s ease-in-out infinite alternate;
}

@keyframes loaderPulse {
  from { opacity: 0.5; transform: scale(0.96); }
  to   { opacity: 1;   transform: scale(1.04); }
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: var(--primary-soft);
  border-radius: 2px;
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 2px;
  animation: loadFill 1.2s var(--ease) forwards;
}

@keyframes loadFill {
  from { width: 0%; }
  to   { width: 100%; }
}

body.js-loading { overflow: hidden; }

/* ─────────────────────────────────────────
   HERO PARTICLES CANVAS
───────────────────────────────────────── */
.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ─────────────────────────────────────────
   TYPEWRITER
───────────────────────────────────────── */
.typewriter-wrap {
  display: inline;
}

.typewriter {
  color: var(--primary-dark);
  font-weight: 700;
}

.typewriter-cursor {
  display: inline-block;
  color: var(--primary);
  font-weight: 300;
  animation: blink 0.75s step-end infinite;
  margin-left: 1px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ─────────────────────────────────────────
   WAVE DIVIDER
───────────────────────────────────────── */
.wave-divider {
  line-height: 0;
  overflow: hidden;
  margin-bottom: -2px;
}

.wave-divider svg {
  display: block;
  width: 100%;
  height: 60px;
}

/* ─────────────────────────────────────────
   ENHANCED HERO ANIMATIONS
───────────────────────────────────────── */

/* Hero text reveal on load */
.hero-text {
  animation: heroReveal 0.9s var(--ease) both;
}

.hero-visual {
  animation: heroReveal 0.9s var(--ease) 0.2s both;
}

@keyframes heroReveal {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Badge shimmer */
.hero-badge {
  position: relative;
  overflow: hidden;
}

.hero-badge::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
  animation: shimmer 3s ease-in-out infinite 2s;
}

@keyframes shimmer {
  0%   { left: -100%; }
  100% { left: 200%; }
}

/* Hero card entrance */
.hero-card-main {
  animation: cardEntrance 1s var(--ease) 0.4s both;
}

@keyframes cardEntrance {
  from { opacity: 0; transform: scale(0.88) translateY(24px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Float cards staggered entrance */
.fc-1 { animation: floatCardIn 0.7s var(--ease) 0.8s both, floatY 4s ease-in-out infinite 1.5s; }
.fc-2 { animation: floatCardIn 0.7s var(--ease) 1.0s both, floatY 4s ease-in-out infinite 2s; }
.fc-3 { animation: floatCardIn 0.7s var(--ease) 1.2s both, floatY 4s ease-in-out infinite 1s; }

@keyframes floatCardIn {
  from { opacity: 0; transform: scale(0.7) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Blob slow drift */
.hero-blob-1 {
  animation: blobDrift1 12s ease-in-out infinite alternate;
}
.hero-blob-2 {
  animation: blobDrift2 15s ease-in-out infinite alternate;
}

@keyframes blobDrift1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-40px, 30px) scale(1.15); }
}
@keyframes blobDrift2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -20px) scale(1.1); }
}

/* Scroll indicator bounce */
.scroll-indicator {
  animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ─────────────────────────────────────────
   BUTTON ANIMATIONS
───────────────────────────────────────── */

/* Ripple effect on primary button click */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transform: scale(0);
  animation: rippleAnim 0.6s linear;
  pointer-events: none;
}

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* WhatsApp pulse ring */
.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid rgba(37,211,102,0.5);
  animation: waPulse 2s ease-out infinite;
}

@keyframes waPulse {
  0%   { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ─────────────────────────────────────────
   STAT CARD POP ON COUNTER COMPLETE
───────────────────────────────────────── */
.stat-card.pop {
  animation: statPop 0.4s var(--ease);
}

@keyframes statPop {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.07); }
  100% { transform: scale(1); }
}

/* ─────────────────────────────────────────
   PRODUCT CARD HOVER GLOW
───────────────────────────────────────── */
.product-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0,184,212,0.07) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease);
  pointer-events: none;
}

.product-card {
  position: relative;
}

.product-card:hover::after { opacity: 1; }

/* ─────────────────────────────────────────
   NAV LINK HOVER SLIDE
───────────────────────────────────────── */
.nav-link {
  overflow: hidden;
}

/* ─────────────────────────────────────────
   SECTION ENTRANCE — stagger children
───────────────────────────────────────── */
.values-grid .value-card,
.features-grid .feature-item,
.certs-grid .cert-card {
  transition: transform var(--dur-normal) var(--ease),
              box-shadow var(--dur-normal) var(--ease),
              border-color var(--dur-normal) var(--ease),
              opacity var(--dur-slow) var(--ease);
}

/* ─────────────────────────────────────────
   MARQUEE GRADIENT FADE EDGES
───────────────────────────────────────── */
.marquee-wrapper {
  position: relative;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-white), transparent);
}

.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-white), transparent);
}

/* ─────────────────────────────────────────
   CONTACT FORM INPUT FOCUS ANIMATION
───────────────────────────────────────── */
.form-group {
  position: relative;
}

.form-group input,
.form-group textarea,
.form-group select {
  transition: border-color var(--dur-fast) var(--ease),
              box-shadow var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  transform: translateY(-1px);
}

/* ─────────────────────────────────────────
   VALUE CARD ICON SPIN ON HOVER
───────────────────────────────────────── */
.value-card:hover .value-icon svg {
  animation: iconSpin 0.5s var(--ease);
}

@keyframes iconSpin {
  from { transform: rotateY(0deg); }
  to   { transform: rotateY(360deg); }
}

/* ─────────────────────────────────────────
   CERT CARD STAMP EFFECT
───────────────────────────────────────── */
.cert-card:hover .cert-card-icon svg {
  animation: stampBounce 0.4s var(--ease);
}

@keyframes stampBounce {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.25) rotate(-8deg); }
  70%  { transform: scale(0.95) rotate(3deg); }
  100% { transform: scale(1) rotate(0deg); }
}

/* ─────────────────────────────────────────
   FOOTER BRAND LOGO GLOW
───────────────────────────────────────── */
.footer-logo img {
  transition: filter var(--dur-normal) var(--ease),
              opacity var(--dur-normal) var(--ease);
}

.footer-logo:hover img {
  filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(0,229,255,0.6));
  opacity: 1;
}

/* ─────────────────────────────────────────
   REDUCED MOTION — disable all extras
───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .hero-badge::after,
  .hero-blob-1, .hero-blob-2,
  .hero-text, .hero-visual,
  .hero-card-main,
  .fc-1, .fc-2, .fc-3,
  .scroll-indicator,
  .typewriter-cursor,
  .whatsapp-float::before,
  .loader-logo img,
  .loader-progress {
    animation: none !important;
    transition: none !important;
  }
}

/* ═══════════════════════════════════════════
   3D LIVE FEEL UPGRADE — Premium 2025 Effects
   (appended block — do not edit above)
═══════════════════════════════════════════ */

/* A. Additional CSS Variables */
:root {
  --glow-primary: 0 0 40px rgba(0,184,212,0.25);
  --glow-strong:  0 0 60px rgba(0,184,212,0.40);
}

/* B. 3D Tilt card utility */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  will-change: transform;
}
.tilt-card .tilt-shine {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.18) 0%, transparent 65%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.12s ease;
  z-index: 3;
}
.tilt-card:hover .tilt-shine { opacity: 1; }

/* C. Glassmorphism hero card */
.hero-card-main {
  background: rgba(255,255,255,0.65) !important;
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.80) !important;
  box-shadow: 0 8px 40px rgba(0,184,212,0.20), inset 0 1px 0 rgba(255,255,255,0.9) !important;
}

/* D. Glassmorphism float cards */
.hero-float-card {
  background: rgba(255,255,255,0.70) !important;
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.75) !important;
  box-shadow: 0 4px 24px rgba(0,184,212,0.18) !important;
}

/* E. 3D depth on section cards */
.stat-card, .product-card, .value-card, .feature-item, .cert-card, .mv-card, .contact-item {
  transform-style: preserve-3d;
  will-change: transform;
}

/* F. Ambient section glows */
#products  { position: relative; overflow: hidden; }
#products::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,184,212,0.07) 0%, transparent 70%);
  top: -100px; right: -150px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
#values { position: relative; overflow: hidden; }
#values::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,229,255,0.06) 0%, transparent 70%);
  bottom: -100px; left: -120px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* G. Enhanced navbar glass on scroll */
#navbar.scrolled {
  background: rgba(255,255,255,0.92) !important;
  box-shadow: 0 4px 32px rgba(0,184,212,0.14), 0 1px 0 rgba(0,184,212,0.08) !important;
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
}

/* H. Glowing primary button */
.btn-primary {
  box-shadow: 0 4px 18px rgba(0,184,212,0.30), inset 0 1px 0 rgba(255,255,255,0.20) !important;
}
.btn-primary:hover {
  box-shadow: 0 8px 32px rgba(0,184,212,0.50), 0 0 0 4px rgba(0,184,212,0.12), inset 0 1px 0 rgba(255,255,255,0.25) !important;
}

/* I. Enhanced hero gradient background */
#hero {
  background: linear-gradient(145deg, #FFFFFF 0%, #E8FBFF 35%, #D0F5FC 60%, #F5F8FC 100%) !important;
}

/* J. Depth tab active */
.tab-btn.active {
  background: linear-gradient(135deg, rgba(0,184,212,0.15), rgba(0,151,167,0.10)) !important;
  box-shadow: 0 2px 12px rgba(0,184,212,0.15), inset 0 1px 0 rgba(255,255,255,0.8);
}

/* K. 3D footer accent line */
#footer {
  box-shadow: inset 0 4px 0 rgba(0,184,212,0.60), inset 0 8px 32px rgba(0,0,0,0.15);
}

/* L. Smooth mouse-tracking glow on hero section */
#hero .hero-cursor-glow {
  position: absolute;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,184,212,0.10) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: left 0.08s ease, top 0.08s ease;
  z-index: 0;
}

/* M. Product card image overlay shimmer on hover */
.product-card-img {
  position: relative;
  overflow: hidden;
}
.product-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.0) 30%, rgba(255,255,255,0.18) 50%, rgba(255,255,255,0.0) 70%);
  transform: translateX(-100%);
  transition: transform 0.55s ease;
}
.product-card:hover .product-card-img::after {
  transform: translateX(100%);
}

/* N. Section title underline gradient */
.section-title {
  position: relative;
  display: inline-block;
}

/* O. Breathing glow on WhatsApp float */
.whatsapp-float {
  box-shadow: 0 4px 20px rgba(37,211,102,0.45), 0 0 0 0 rgba(37,211,102,0.4) !important;
  animation: waGlow 2.5s ease-in-out infinite !important;
}
@keyframes waGlow {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.45), 0 0 0 0   rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 28px rgba(37,211,102,0.65), 0 0 0 10px rgba(37,211,102,0.0); }
}

/* Counter sparkle dots */
.counter-spark {
  position: absolute;
  width: 5px;
  height: 5px;
  background: var(--primary);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10;
}

/* Make stat-card-num a positioning context for sparks */
.stat-card-num {
  position: relative;
}

/* stat-card needs relative positioning for spark containment */
.stat-card {
  position: relative;
}

/* P. Reduce motion guard */
@media (prefers-reduced-motion: reduce) {
  .tilt-card, .stat-card, .product-card, .value-card, .feature-item, .cert-card {
    transform: none !important;
    transition: box-shadow 0.2s ease, border-color 0.2s ease !important;
  }
  .whatsapp-float {
    animation: none !important;
  }
}