/* ================================================================
   CHIRAG CHEMICALS — MASTER OF POOLS
   Premium Rebuild v2.0 — Full Fix + Upgrade
   ================================================================ */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* Core Colors */
  --deep-navy:    #020d1a;
  --navy:         #071525;
  --navy-mid:     #0a1e35;
  --navy-card:    #0d2340;
  --navy-light:   #0f2a4a;
  --blue-primary: #0288d1;
  --blue-bright:  #00b4d8;
  --blue-glow:    #0ef;
  --aqua:         #00e5ff;
  --aqua-soft:    #80deea;
  --gold:         #ffd700;
  --gold-warm:    #ffb300;
  --white:        #ffffff;
  --off-white:    #e3f2fd;
  --text-body:    #b0c4de;
  --text-muted:   #6b8cae;
  --green-wa:     #25D366;
  --green-dark:   #128c4a;

  /* Gradients */
  --grad-hero:    linear-gradient(135deg, #020d1a 0%, #071f3b 50%, #0a2a4a 100%);
  --grad-blue:    linear-gradient(135deg, #0288d1, #00b4d8);
  --grad-aqua:    linear-gradient(135deg, #00b4d8, #00e5ff);
  --grad-gold:    linear-gradient(135deg, #ff8f00, #ffd700);
  --grad-card:    linear-gradient(160deg, #0d2340 0%, #0a1e35 100%);
  --grad-glass:   linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));

  /* Typography */
  --font-display: 'Bebas Neue', sans-serif;
  --font-head:    'Syne', 'Poppins', sans-serif;
  --font-body:    'Poppins', sans-serif;

  /* Spacing */
  --space-xs:     8px;
  --space-sm:     16px;
  --space-md:     24px;
  --space-lg:     40px;
  --space-xl:     64px;
  --space-2xl:    96px;

  /* Border Radius */
  --r-sm:         8px;
  --r-md:         14px;
  --r-lg:         20px;
  --r-xl:         28px;
  --r-full:       9999px;

  /* Shadows */
  --shadow-sm:    0 2px 12px rgba(0,0,0,0.3);
  --shadow-md:    0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:    0 16px 56px rgba(0,0,0,0.5);
  --shadow-card:  0 8px 32px rgba(0,0,0,0.45), 0 1px 0 rgba(255,255,255,0.04);
  --shadow-glow:  0 0 40px rgba(0,180,216,0.25);
  --shadow-blue:  0 8px 32px rgba(2,136,209,0.35);

  /* Transitions */
  --ease:         cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:       0.2s var(--ease);
  --t-mid:        0.35s var(--ease);
  --t-slow:       0.6s var(--ease);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  background: var(--deep-navy);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--t-fast);
}

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

/* ===== LAYOUT ===== */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
}

.section {
  padding: var(--space-2xl) 0;
}

.section-dark { background: var(--navy-mid); }
.section-navy { background: var(--navy); }

/* ===== TYPOGRAPHY UTILITIES ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue-bright);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--grad-blue);
  border-radius: 99px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 17px;
  color: var(--text-body);
  max-width: 600px;
  line-height: 1.75;
}

.text-accent { color: var(--blue-bright); }
.text-gold { color: var(--gold); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-label { justify-content: center; }
.section-header .section-subtitle { margin: 0 auto; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--r-full);
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  transition: var(--t-mid);
  white-space: nowrap;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: var(--t-fast);
  border-radius: inherit;
}

.btn:hover::after { background: rgba(255,255,255,0.08); }

.btn-primary {
  background: var(--grad-blue);
  color: #fff;
  box-shadow: var(--shadow-blue);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(2,136,209,0.5);
}

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(0,180,216,0.4);
  transform: translateY(-3px);
  color: var(--blue-bright);
}

.btn-ghost {
  background: transparent;
  color: var(--off-white);
  border: 1.5px solid rgba(255,255,255,0.2);
}

.btn-ghost:hover {
  border-color: var(--blue-bright);
  color: var(--blue-bright);
}

.btn-whatsapp {
  background: var(--green-wa);
  color: #fff;
  box-shadow: 0 8px 28px rgba(37,211,102,0.4);
}

.btn-whatsapp:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 40px rgba(37,211,102,0.55);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.4);
}

.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.7);
}

.btn-lg {
  padding: 17px 36px;
  font-size: 16px;
}

.btn-full { width: 100%; }

/* ===== PRELOADER ===== */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--deep-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.preloader-logo-wrap {
  position: relative;
  width: 110px;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preloader-logo {
  width: 84px;
  height: 84px;
  object-fit: contain;
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

.preloader-ripple {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--aqua);
  animation: rippPulse 1.6s ease-out infinite;
}

.preloader-ripple-2 {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid rgba(0,229,255,0.3);
  animation: rippPulse 1.6s ease-out 0.4s infinite;
}

@keyframes rippPulse {
  0%   { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(2); opacity: 0; }
}

.preloader-brand {
  font-family: var(--font-display);
  font-size: 30px;
  letter-spacing: 5px;
  color: var(--white);
}

.preloader-tagline {
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--aqua);
  text-transform: uppercase;
}

.preloader-bar {
  width: 220px;
  height: 3px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  overflow: hidden;
}

.preloader-fill {
  height: 100%;
  background: var(--grad-aqua);
  border-radius: 99px;
  animation: loadBar 2.4s ease-in-out forwards;
}

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

/* ===== FLOATING WHATSAPP ===== */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--green-wa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: #fff;
  box-shadow: 0 6px 24px rgba(37,211,102,0.55);
  transition: var(--t-mid);
}

.whatsapp-float:hover {
  transform: scale(1.12) translateY(-4px);
  box-shadow: 0 10px 36px rgba(37,211,102,0.7);
}

.wa-pulse {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  border: 2px solid var(--green-wa);
  animation: waPulse 2.2s ease-out infinite;
}

@keyframes waPulse {
  0%   { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.9); opacity: 0; }
}

.wa-tooltip {
  position: absolute;
  right: 74px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--navy);
  color: #fff;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  border: 1px solid rgba(255,255,255,0.1);
}

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

/* ===== NAVIGATION ===== */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 18px 0;
  transition: var(--t-mid);
}

#navbar.scrolled {
  background: rgba(2, 13, 26, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 12px 0;
  border-bottom: 1px solid rgba(0,180,216,0.12);
  box-shadow: 0 4px 32px rgba(0,0,0,0.5);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.nav-logo img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: 50%;
  border: 2px solid rgba(0,180,216,0.3);
}

.nav-brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  gap: 3px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 2.5px;
  color: var(--white);
}

.brand-tagline {
  font-size: 10px;
  letter-spacing: 2.5px;
  color: var(--blue-bright);
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-menu a {
  padding: 8px 16px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--off-white);
  transition: var(--t-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--blue-bright);
  background: rgba(0,180,216,0.1);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--r-full);
  background: var(--green-wa);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: var(--t-mid);
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 4px 18px rgba(37,211,102,0.35);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(37,211,102,0.5);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  margin-left: 8px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.05);
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 99px;
  transition: var(--t-fast);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: translateX(-8px); }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-pool-bg {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(2,136,209,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 20% 70%, rgba(0,180,216,0.1) 0%, transparent 60%),
    var(--grad-hero);
}

.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0,180,216,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,216,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  background: var(--blue-bright);
  border-radius: 50%;
  animation: particleFloat linear infinite;
}

@keyframes particleFloat {
  0%   { transform: translateY(100vh) scale(0); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-20vh) scale(1); opacity: 0; }
}

.hero-waves {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
}

.wave {
  fill: var(--deep-navy);
  width: 100%;
  height: 90px;
}

.wave1 { opacity: 0.7; }
.wave2 { position: absolute; bottom: 0; opacity: 1; }

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 28px;
  width: 100%;
}

.hero-content { max-width: 640px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  border-radius: var(--r-full);
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.25);
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-bright);
  letter-spacing: 0.3px;
  margin-bottom: 28px;
}

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

@keyframes badgePulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.4); opacity: 0.7; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(46px, 7vw, 88px);
  line-height: 1;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 28px;
}

.title-gradient {
  background: linear-gradient(135deg, #00b4d8, #00e5ff, #80deea);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 20px 28px;
  flex: 1;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1;
  color: var(--aqua);
  letter-spacing: 1px;
}

.stat-plus {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--aqua);
}

.stat-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  text-align: center;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.08);
  flex-shrink: 0;
}

/* Hero product showcase */
.hero-showcase {
  position: relative;
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.showcase-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,180,216,0.2);
  animation: ringRotate 20s linear infinite;
}

.showcase-ring-outer {
  inset: 0;
}

.showcase-ring-mid {
  inset: 40px;
  animation-direction: reverse;
  animation-duration: 15s;
  border-color: rgba(0,180,216,0.15);
}

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

.showcase-glow {
  position: absolute;
  inset: 60px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,216,0.2) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%       { opacity: 1; transform: scale(1.1); }
}

.hero-product-img {
  width: 300px;
  height: 300px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 60px rgba(0,180,216,0.4));
  animation: productFloat 4s ease-in-out infinite;
}

@keyframes productFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}

.hero-scroll {
  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: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 1;
  transition: var(--t-fast);
}

.hero-scroll:hover { color: var(--blue-bright); }

.scroll-icon {
  animation: scrollBounce 2s ease-in-out infinite;
}

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

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--navy-mid);
  border-top: 1px solid rgba(0,180,216,0.12);
  border-bottom: 1px solid rgba(0,180,216,0.12);
  padding: 18px 0;
  overflow: hidden;
  position: relative;
}

.trust-track {
  display: flex;
  align-items: center;
  gap: 0;
  white-space: nowrap;
  animation: trustScroll 28s linear infinite;
}

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

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0 32px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-body);
  white-space: nowrap;
}

.trust-item i {
  color: var(--blue-bright);
  font-size: 16px;
}

.trust-sep {
  color: rgba(0,180,216,0.3);
  padding: 0 8px;
  font-size: 10px;
}

/* ===== ABOUT SECTION ===== */
.about-grid {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual-card {
  background: var(--grad-card);
  border: 1px solid rgba(0,180,216,0.12);
  border-radius: var(--r-xl);
  padding: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
}

.about-visual-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-blue);
}

.about-logo-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-logo-ring {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  border: 2px dashed rgba(0,180,216,0.2);
  animation: ringRotate 20s linear infinite;
}

.about-logo-glow {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,180,216,0.15) 0%, transparent 70%);
}

.about-logo-big {
  width: 130px;
  height: 130px;
  object-fit: contain;
  border-radius: 50%;
  position: relative;
  z-index: 1;
  border: 3px solid rgba(0,180,216,0.25);
}

.about-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.about-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--r-full);
  background: rgba(0,180,216,0.08);
  border: 1px solid rgba(0,180,216,0.18);
  font-size: 13px;
  font-weight: 500;
  color: var(--off-white);
  transition: var(--t-fast);
}

.about-pill i { color: var(--blue-bright); }
.about-pill:hover {
  background: rgba(0,180,216,0.15);
  border-color: rgba(0,180,216,0.35);
}

.about-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  width: 100%;
}

.about-num-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--r-md);
  padding: 20px;
  text-align: center;
}

.about-num {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--aqua);
  letter-spacing: 1px;
  line-height: 1;
  display: block;
}

.about-num-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.about-lead {
  font-size: 20px;
  font-weight: 600;
  color: var(--off-white);
  line-height: 1.6;
  margin-bottom: 20px;
}

.about-body {
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: 32px;
}

.about-highlights {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 36px;
}

.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 15px;
  color: var(--text-body);
}

.highlight-item i {
  color: var(--aqua);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== PRODUCTS SECTION ===== */

/* ── THE CORE FIX ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
  align-items: stretch;
}

/* ── PRODUCT CARD: flex column + stretch ensures equal height ── */
.product-card {
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%; /* stretch to fill grid cell */
}

.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(0,180,216,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: var(--t-mid);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0,180,216,0.3);
  box-shadow: 
    0 24px 64px rgba(0,0,0,0.5),
    0 0 40px rgba(0,180,216,0.15),
    0 1px 0 rgba(255,255,255,0.06) inset;
}

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

/* ── IMAGE AREA: fixed height, object-fit: contain, always centered ── */
.product-image-area {
  position: relative;
  width: 100%;
  height: 220px;        /* fixed height on ALL cards */
  flex-shrink: 0;       /* never compress */
  background: linear-gradient(160deg, #f8fbff 0%, #eaf3fb 50%, #dceeff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
}

.product-image-area img {
  width: 100%;
  height: 100%;
  object-fit: contain;    /* ← KEY FIX: no cropping, no stretching */
  object-position: center;
  transition: transform 0.4s var(--ease);
  display: block;
}

.product-card:hover .product-image-area img {
  transform: scale(1.08);
}

/* ── IMAGE OVERLAY (enquire button on hover) ── */
.product-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,18,40,0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--t-mid);
  backdrop-filter: blur(4px);
}

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

.product-enquire-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border-radius: var(--r-full);
  background: var(--green-wa);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.2s var(--ease-bounce);
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
}

.product-enquire-btn:hover { transform: scale(1.06); }

/* ── BADGE ── */
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 5px 12px;
  border-radius: var(--r-full);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 2;
}

.badge-gold { background: var(--grad-gold); color: #1a0500; }
.badge-blue { background: var(--grad-blue); color: #fff; }
.badge-green { background: linear-gradient(135deg, #1b5e20, #43a047); color: #fff; }

/* ── PRODUCT INFO: flex:1 forces all card bodies to fill remaining space ── */
.product-info {
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;             /* ← KEY FIX: expands to fill, equalises card heights */
}

.product-name {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
}

.product-chemical {
  font-size: 12px;
  font-weight: 600;
  color: var(--blue-bright);
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.product-desc {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.7;
  flex: 1;             /* ← makes descs push specs to bottom */
}

.product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;    /* ← pins specs to bottom of card */
  padding-top: 12px;
}

.product-specs span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 500;
  background: rgba(0,180,216,0.07);
  border: 1px solid rgba(0,180,216,0.14);
  color: var(--off-white);
}

.product-specs i {
  color: var(--blue-bright);
  font-size: 10px;
}

.product-footer {
  padding: 0 22px 20px;
  margin-top: auto;
}

.products-cta {
  text-align: center;
  padding: 48px 0 0;
}

.products-cta p {
  font-size: 17px;
  color: var(--text-body);
  margin-bottom: 24px;
}

/* ===== WHY CHOOSE US ===== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  transition: var(--t-mid);
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--t-mid);
}

.why-card:hover {
  border-color: rgba(0,180,216,0.25);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.why-card:hover::before { transform: scaleX(1); }

.why-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--r-md);
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--blue-bright);
  margin-bottom: 22px;
  transition: var(--t-mid);
}

.why-card:hover .why-icon-wrap {
  background: var(--grad-blue);
  border-color: transparent;
  color: #fff;
  box-shadow: var(--shadow-blue);
}

.why-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}

.why-card p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.75;
}

/* ===== INDUSTRIES ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.industry-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--t-mid);
  cursor: default;
}

.industry-card:hover {
  background: rgba(0,180,216,0.07);
  border-color: rgba(0,180,216,0.25);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.industry-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0,180,216,0.1);
  border: 2px solid rgba(0,180,216,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--blue-bright);
  margin: 0 auto 20px;
  transition: var(--t-mid);
}

.industry-card:hover .industry-icon-wrap {
  background: var(--grad-blue);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}

.industry-card h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}

.industry-card p {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.7;
}

/* ===== PROCESS ===== */
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.process-step {
  flex: 1;
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.step-num {
  font-family: var(--font-display);
  font-size: 56px;
  color: rgba(0,180,216,0.12);
  line-height: 1;
  margin-bottom: -8px;
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0,180,216,0.1);
  border: 2px solid rgba(0,180,216,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: var(--blue-bright);
  margin: 0 auto 22px;
}

.process-step h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.75;
}

.process-connector {
  flex-shrink: 0;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, rgba(0,180,216,0.3), rgba(0,180,216,0.1));
  margin-top: 84px;
  position: relative;
}

.process-connector::after {
  content: '';
  position: absolute;
  right: -6px;
  top: -4px;
  width: 10px;
  height: 10px;
  border-top: 2px solid rgba(0,180,216,0.4);
  border-right: 2px solid rgba(0,180,216,0.4);
  transform: rotate(45deg);
}

/* ===== TESTIMONIALS ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  transition: var(--t-mid);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-card:hover {
  border-color: rgba(0,180,216,0.25);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.testimonial-quote {
  font-size: 28px;
  color: var(--blue-bright);
  opacity: 0.5;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  font-style: italic;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

.author-role {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.testimonial-stars {
  color: var(--gold);
  font-size: 16px;
  letter-spacing: 2px;
}

/* ===== CERTIFICATIONS ===== */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cert-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-lg);
  transition: var(--t-mid);
}

.cert-card:hover {
  border-color: rgba(0,180,216,0.25);
  box-shadow: var(--shadow-sm);
}

.cert-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--r-md);
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--blue-bright);
  flex-shrink: 0;
}

.cert-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.cert-card p {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.faq-item.open {
  border-color: rgba(0,180,216,0.25);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  gap: 16px;
  cursor: pointer;
  transition: color 0.25s ease;
}

.faq-question:hover { color: var(--blue-bright); }
.faq-item.open .faq-question { color: var(--blue-bright); }

.faq-icon {
  font-size: 14px;
  color: var(--text-muted);
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
}

.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--blue-bright); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-item.open .faq-answer { max-height: 300px; }

.faq-answer p {
  padding: 0 24px 22px;
  font-size: 15px;
  color: var(--text-body);
  line-height: 1.8;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 18px;
}

/* ===== WHATSAPP CTA SECTION ===== */
.whatsapp-section {
  background: linear-gradient(135deg, #0a1e35, #0d2a44);
  padding: 56px 0;
  border-top: 1px solid rgba(0,180,216,0.12);
  border-bottom: 1px solid rgba(0,180,216,0.12);
}

.wa-cta-box {
  display: flex;
  align-items: center;
  gap: 40px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0,180,216,0.18);
  border-radius: var(--r-xl);
  padding: 48px 56px;
  position: relative;
  overflow: hidden;
}

.wa-cta-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--green-wa);
}

.wa-cta-icon-wrap {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--green-wa);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 42px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 8px 32px rgba(37,211,102,0.4);
}

.wa-cta-content { flex: 1; }
.wa-cta-content h2 {
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 10px;
}
.wa-cta-content p { font-size: 16px; color: var(--text-body); }

.wa-cta-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

/* ===== CONTACT SECTION ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 64px;
  align-items: start;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 24px;
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-md);
  transition: var(--t-mid);
}

.contact-card:hover {
  border-color: rgba(0,180,216,0.2);
  box-shadow: var(--shadow-sm);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--blue-bright);
  flex-shrink: 0;
}

.contact-card h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 5px;
}

.contact-card a {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  transition: var(--t-fast);
  display: block;
}

.contact-card a:hover { color: var(--blue-bright); }
.contact-card p { font-size: 13px; color: var(--text-muted); margin-top: 3px; }

.map-embed {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  margin-top: 20px;
}

.contact-form-wrap {
  background: var(--grad-card);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-xl);
  padding: 44px 48px;
  position: relative;
  overflow: hidden;
}

.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-blue);
}

.contact-form-wrap h3 {
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 32px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--r-md);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--white);
  font-family: var(--font-body);
  transition: var(--t-fast);
  outline: none;
  width: 100%;
}

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

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b8cae' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-group select option { background: var(--navy-mid); color: var(--white); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-bright);
  background: rgba(0,180,216,0.05);
  box-shadow: 0 0 0 3px rgba(0,180,216,0.12);
}

.form-note {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

.form-note a { color: var(--green-wa); font-weight: 600; }
.form-note a:hover { text-decoration: underline; }

/* ===== FOOTER ===== */
.footer { background: var(--navy); }

.footer-top {
  padding: 72px 0 56px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 300px 1fr 1fr 260px;
  gap: 56px;
}

.footer-logo {
  width: 56px;
  height: 56px;
  object-fit: contain;
  border-radius: 50%;
  margin-bottom: 20px;
  border: 2px solid rgba(0,180,216,0.25);
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 24px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 6px;
  display: block;
}

.footer-brand-tagline {
  font-size: 11px;
  letter-spacing: 2.5px;
  color: var(--blue-bright);
  text-transform: uppercase;
  display: block;
  margin-bottom: 18px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  transition: var(--t-fast);
}

.footer-social a:hover {
  background: rgba(0,180,216,0.1);
  border-color: rgba(0,180,216,0.3);
  color: var(--blue-bright);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 22px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--t-fast);
}

.footer-col ul li a::before {
  content: '›';
  color: var(--blue-bright);
  font-size: 16px;
  line-height: 1;
}

.footer-col ul li a:hover { color: var(--blue-bright); padding-left: 4px; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--text-body);
}

.footer-contact-item i {
  color: var(--blue-bright);
  font-size: 15px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: var(--text-body);
  transition: var(--t-fast);
}

.footer-contact-item a:hover { color: var(--blue-bright); }

.footer-wa-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r-full);
  background: rgba(37,211,102,0.12);
  border: 1.5px solid rgba(37,211,102,0.3);
  color: var(--green-wa);
  font-size: 14px;
  font-weight: 600;
  transition: var(--t-mid);
  margin-top: 8px;
}

.footer-wa-btn:hover {
  background: var(--green-wa);
  color: #fff;
  border-color: var(--green-wa);
  box-shadow: 0 6px 24px rgba(37,211,102,0.4);
}

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom-inner p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-keywords {
  font-size: 11px;
  opacity: 0.45;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--navy-card);
  color: var(--white);
  padding: 14px 24px;
  border-radius: var(--r-md);
  border-left: 4px solid var(--green-wa);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s var(--ease-bounce);
  z-index: 9999;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== RESPONSIVE ===== */

/* Large desktop */
@media (max-width: 1280px) {
  .hero-showcase { width: 360px; height: 360px; }
  .hero-product-img { width: 260px; height: 260px; }
  .footer-grid { grid-template-columns: 260px 1fr 1fr 220px; gap: 40px; }
}

/* Laptop */
@media (max-width: 1100px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-showcase { display: none; }
  .hero-content { max-width: 680px; text-align: center; margin: 0 auto; }
  .hero-badge { justify-content: center; }
  .hero-subtitle { margin: 0 auto 40px; }
  .hero-actions { justify-content: center; }
  .hero-stats { max-width: 560px; margin: 0 auto; }

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

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual-card { max-width: 480px; margin: 0 auto; }

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

  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: span 2; }

  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* Tablet */
@media (max-width: 900px) {
  .section { padding: 72px 0; }

  .products-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }

  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }

  .process-steps { flex-direction: column; align-items: center; }
  .process-connector { width: 2px; height: 36px; margin: 0; }
  .process-connector::after { display: none; }
  .process-step { max-width: 400px; }

  .wa-cta-box { flex-direction: column; text-align: center; padding: 36px 32px; }
  .wa-cta-actions { flex-wrap: wrap; justify-content: center; }
}

/* Mobile */
@media (max-width: 768px) {
  .container { padding: 0 20px; }

  /* Hamburger nav */
  .nav-menu {
    display: none;
    position: fixed;
    inset: 0;
    top: 68px;
    background: rgba(2,13,26,0.98);
    backdrop-filter: blur(24px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 32px;
    z-index: 800;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a { font-size: 18px; padding: 14px 28px; width: 100%; text-align: center; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }

  .hero { padding: 110px 0 80px; min-height: 100svh; }
  .hero-title { font-size: clamp(38px, 10vw, 60px); }
  .hero-stats { flex-wrap: wrap; }
  .stat-item { min-width: 80px; padding: 16px 16px; }
  .stat-divider { display: none; }

  /* MOBILE: 2-column product grid */
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-image-area { height: 180px; }
  .product-name { font-size: 15px; }
  .product-desc { font-size: 12px; }

  .why-grid { grid-template-columns: 1fr; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { grid-column: auto; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 24px; }
}

/* Small mobile */
@media (max-width: 480px) {
  .section { padding: 56px 0; }

  /* SMALL: 1-column product grid */
  .products-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .product-image-area { height: 240px; }

  .industries-grid { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
  .wa-cta-actions { flex-direction: column; width: 100%; }
  .wa-cta-actions .btn { width: 100%; justify-content: center; }
}

/* Minimum width safety net — NO horizontal scroll */
@media (max-width: 360px) {
  .container { padding: 0 14px; }
  .hero-title { font-size: 34px; }
  .products-grid { max-width: 100%; }
}