/* ============================================================
   MARS BIOANALYTICAL PVT. LTD. — Premium Corporate Stylesheet
   Stack: Bootstrap 5.3 (CDN) + custom CSS3 + Vanilla JS
   Structure: modular by section → future Laravel Blade mapping
   ============================================================ */

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Primary navy ramp */
  --navy-50:  #EEF4FB;
  --navy-100: #D6E4F2;
  --navy-200: #ADC9E5;
  --navy-300: #7AA6D2;
  --navy-400: #4A7FB8;
  --navy-500: #1a5496;
  --navy-600: #0B3C6D;   /* primary */
  --navy-700: #08305a;
  --navy-800: #062849;   /* navy dark */
  --navy-900: #041d38;

  /* Accent red ramp */
  --red-50:  #FDECEC;
  --red-100: #FBD5D5;
  --red-300: #ED8A8A;
  --red-500: #D62828;    /* accent */
  --red-600: #c01f1f;
  --red-700: #a31818;

  /* Neutrals */
  --gray-50:  #F8FAFC;   /* page background */
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1F2937;   /* text */
  --gray-900: #0F172A;

  /* Functional */
  --white:    #FFFFFF;
  --sky:      #E8F1FB;
  --wa:       #25D366;
  --wa-dk:    #1da354;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(11,60,109,0.06);
  --shadow-sm: 0 2px 12px rgba(11,60,109,0.07);
  --shadow-md: 0 8px 28px rgba(11,60,109,0.10);
  --shadow-lg: 0 18px 48px rgba(11,60,109,0.14);
  --shadow-xl: 0 28px 70px rgba(11,60,109,0.18);
  --shadow-red: 0 10px 30px rgba(214,40,40,0.28);

  /* Radii */
  --r-sm: 10px;
  --r:    14px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 100px;

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t: 0.3s var(--ease);
  --t-slow: 0.55s var(--ease);

  /* Layout */
  --nav-h: 78px;
  --container-pad: clamp(20px, 5vw, 48px);
}

/* ============================================================
   2. BASE / RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  color: var(--gray-800);
  background: var(--gray-50);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.65;
}
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--navy-800);
  margin: 0;
}
p { margin: 0; color: var(--gray-600); }
a { text-decoration: none; transition: var(--t); color: inherit; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }
section { position: relative; }
button { font-family: inherit; }
::selection { background: var(--navy-600); color: #fff; }

/* Custom scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 100px; border: 3px solid var(--gray-100); }
::-webkit-scrollbar-thumb:hover { background: var(--navy-400); }

/* ============================================================
   3. LAYOUT HELPERS
   ============================================================ */
.section      { padding: clamp(64px, 9vw, 112px) 0; }
.section-sm   { padding: clamp(48px, 6vw, 72px) 0; }
.bg-soft      { background: var(--gray-50); }
.bg-white     { background: var(--white); }
.bg-navy      { background: var(--navy-800); }
.container-x  { width: 100%; max-width: 1240px; margin: 0 auto; padding-inline: var(--container-pad); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--red-500);
  padding: 6px 14px;
  background: var(--red-50);
  border-radius: var(--r-pill);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--red-500);
}
.eyebrow.light { color: #FF9D9D; background: rgba(214,40,40,0.14); }
.eyebrow.light::before { background: #FF8A8A; }

.section-title {
  font-size: clamp(1.85rem, 3.6vw, 2.7rem);
  font-weight: 800;
  color: var(--navy-800);
}
.section-title .accent { color: var(--red-500); }
.section-title.light { color: #fff; }
.section-title.light .accent { color: #7EC8F7; }

.section-lead {
  font-size: 1.06rem; color: var(--gray-500);
  max-width: 560px; line-height: 1.7;
}
.section-lead.light { color: rgba(255,255,255,0.62); }
.section-head { margin-bottom: clamp(36px, 5vw, 56px); }

.divider-bar {
  width: 56px; height: 4px; border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--red-500), var(--red-600));
  margin: 18px 0 24px;
}

/* ============================================================
   4. BUTTONS
   ============================================================ */
.btn-base {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 600; font-size: 0.9rem;
  padding: 14px 28px; border-radius: var(--r-pill);
  border: 2px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: transform var(--t), box-shadow var(--t), background var(--t), color var(--t), border-color var(--t);
}
.btn-base .ripple {
  position: absolute; border-radius: 50%; transform: scale(0);
  background: rgba(255,255,255,0.45); pointer-events: none;
  animation: ripple 0.6s linear;
}
@keyframes ripple { to { transform: scale(2.6); opacity: 0; } }

.btn-primary-x {
  background: var(--navy-600); color: #fff; border-color: var(--navy-600);
}
.btn-primary-x:hover {
  background: var(--navy-800); border-color: var(--navy-800);
  transform: translateY(-3px); box-shadow: var(--shadow-lg); color: #fff;
}
.btn-red-x {
  background: var(--red-500); color: #fff; border-color: var(--red-500);
}
.btn-red-x:hover {
  background: var(--red-600); border-color: var(--red-600);
  transform: translateY(-3px); box-shadow: var(--shadow-red); color: #fff;
}
.btn-outline-navy {
  background: transparent; color: var(--navy-600); border-color: var(--navy-300);
}
.btn-outline-navy:hover {
  background: var(--navy-600); color: #fff; border-color: var(--navy-600);
  transform: translateY(-3px); box-shadow: var(--shadow-md);
}
.btn-outline-white {
  background: transparent; color: #fff; border-color: rgba(255,255,255,0.5);
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.12); border-color: #fff; color: #fff;
  transform: translateY(-3px);
}
.btn-sm-x { padding: 10px 20px; font-size: 0.82rem; }
.btn-wa {
  background: var(--wa); color: #fff; border-color: var(--wa);
}
.btn-wa:hover { background: var(--wa-dk); border-color: var(--wa-dk); transform: translateY(-2px); color: #fff; }

/* ============================================================
   5. HEADER / NAVBAR
   ============================================================ */
#mainNav {
  position: fixed; inset: 0 0 auto 0; z-index: 1000;
  transition: background var(--t), box-shadow var(--t), backdrop-filter var(--t);
  background: rgba(6,40,73,0.32);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
#mainNav.scrolled {
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 1px 0 rgba(11,60,109,0.08), 0 10px 30px rgba(11,60,109,0.07);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: var(--nav-h);
  transition: height var(--t);
}
#mainNav.scrolled .nav-inner { height: 68px; }

/* Logo */
.nav-logo { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.logo-mark {
  width: 54px; height: 54px; border-radius: 14px;
  background: linear-gradient(150deg, var(--navy-600), var(--navy-800));
  display: grid; place-items: center; position: relative; overflow: hidden;
  flex-shrink: 0; box-shadow: 0 6px 18px rgba(6,40,73,0.3);
  transition: transform var(--t);
}
.logo-mark::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 32%;
  background: linear-gradient(90deg, var(--red-500), var(--red-600));
}
.logo-mark svg { position: relative; z-index: 1; }
.nav-logo:hover .logo-mark { transform: rotate(-6deg) scale(1.05); }
#mainNav.scrolled .logo-mark { box-shadow: 0 4px 14px rgba(6,40,73,0.18); }
.logo-text { line-height: 1.12; }
.logo-text .name {
  font-weight: 800; font-size: 1.16rem; letter-spacing: -0.02em;
  color: #fff; display: block;
}
.logo-text .tagline {
  font-size: 0.64rem; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.6);
}
#mainNav.scrolled .logo-text .name { color: var(--navy-800); }
#mainNav.scrolled .logo-text .tagline { color: var(--gray-400); }

/* Desktop nav */
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links > li { position: relative; }
.nav-links > li > a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 15px; border-radius: var(--r-sm);
  font-size: 0.86rem; font-weight: 600; white-space: nowrap;
  color: rgba(255,255,255,0.88); transition: var(--t);
}
.nav-links > li > a .caret { font-size: 0.6rem; transition: transform var(--t); }
.nav-links > li > a:hover,
.nav-links > li > a.active { color: #fff; background: rgba(255,255,255,0.14); }
.nav-links > li:hover > a .caret { transform: rotate(180deg); }
#mainNav.scrolled .nav-links > li > a { color: var(--gray-600); }
#mainNav.scrolled .nav-links > li > a:hover,
#mainNav.scrolled .nav-links > li > a.active { color: var(--navy-700); background: var(--navy-50); }

/* Dropdown */
.dropdown-panel {
  position: absolute; top: calc(100% + 3px); left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 250px; background: #fff;
  border-radius: var(--r-lg); border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-xl); padding: 10px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.nav-links > li:hover .dropdown-panel {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.dropdown-panel::before {
  content: ''; position: absolute; top: -7px; left: 50%;
  width: 14px; height: 14px; background: #fff;
  border-left: 1px solid var(--gray-100); border-top: 1px solid var(--gray-100);
  transform: translateX(-50%) rotate(45deg);
}
.dropdown-panel a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 13px; border-radius: var(--r-sm);
  font-size: 0.86rem; font-weight: 500; color: var(--gray-600);
  transition: var(--t);
}
.dropdown-panel a .dp-icon {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--navy-50); color: var(--navy-600);
  display: grid; place-items: center; font-size: 0.9rem; flex-shrink: 0;
  transition: var(--t);
}
.dropdown-panel a:hover { background: var(--navy-50); color: var(--navy-700); }
.dropdown-panel a:hover .dp-icon { background: var(--navy-600); color: #fff; }
.dropdown-panel a.dp-all { margin-top: 4px; border-top: 1px solid var(--gray-100); padding-top: 12px; color: var(--red-500); font-weight: 600; }
.dropdown-panel a.dp-all .dp-icon { background: var(--red-50); color: var(--red-500); }
.dropdown-panel a.dp-all:hover { background: var(--red-50); color: var(--red-600); }
.dropdown-panel a.dp-all:hover .dp-icon { background: var(--red-500); color: #fff; }

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  padding: 8px; border: none; background: transparent; z-index: 1001;
}
.hamburger span { width: 26px; height: 2.5px; border-radius: 3px; background: #fff; transition: var(--t); }
#mainNav.scrolled .hamburger span { background: var(--navy-800); }
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed; inset: 0; z-index: 999;
  background: #fff; padding: calc(var(--nav-h) + 16px) var(--container-pad) 40px;
  overflow-y: auto; transform: translateX(100%);
  transition: transform 0.4s var(--ease);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav > ul > li { border-bottom: 1px solid var(--gray-100); }
.mobile-nav > ul > li > a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; font-weight: 700; font-size: 1.05rem; color: var(--navy-800);
}
.mobile-nav .mobile-dropdown { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); }
.mobile-nav .mobile-dropdown.open { max-height: 420px; }
.mobile-nav .mobile-dropdown a {
  display: block; padding: 11px 0 11px 14px;
  font-size: 0.92rem; font-weight: 500; color: var(--gray-500);
  border-left: 2px solid var(--gray-200); margin-left: 4px;
}
.mobile-nav .mobile-dropdown a:hover { color: var(--navy-600); border-color: var(--navy-600); }
.mobile-nav .chev { transition: transform var(--t); }
.mobile-nav .open-trigger .chev { transform: rotate(180deg); color: var(--red-500); }
.mobile-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* ============================================================
   6. HERO
   ============================================================ */
#hero {
  position: relative; overflow: hidden;
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center;
  background: var(--navy-800);
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('https://images.pexels.com/photos/8442034/pexels-photo-8442034.jpeg?auto=compress&cs=tinysrgb&w=1600') center/cover no-repeat;
  opacity: 0.16;
}
/* Subtle scientific pattern overlays (hexagon grid + molecule dots) */
.hero-pattern {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='52' viewBox='0 0 60 52'%3E%3Cpath d='M30 1l28 16v18L30 51 2 35V17z' fill='none' stroke='%237EC8F7' stroke-width='1' opacity='0.12'/%3E%3C/svg%3E");
  background-size: 60px 52px;
}
.hero-dots {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image: radial-gradient(rgba(126,200,247,0.18) 1.4px, transparent 1.4px);
  background-size: 28px 28px;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(115deg, rgba(4,29,56,0.96) 38%, rgba(11,60,109,0.74) 100%);
}
.hero-glow {
  position: absolute; width: 620px; height: 620px; border-radius: 50%;
  right: -180px; top: -160px; pointer-events: none;
  background: radial-gradient(circle, rgba(214,40,40,0.16) 0%, transparent 68%);
}
.hero-content { position: relative; z-index: 2; padding: calc(var(--nav-h) + 56px) 0 64px; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--r-pill); padding: 6px 16px 6px 11px;
  font-size: 0.76rem; font-weight: 600; color: rgba(255,255,255,0.82);
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 26px;
}
.hero-eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--red-500);
  box-shadow: 0 0 0 0 rgba(214,40,40,0.6); animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(214,40,40,0.6); }
  70% { box-shadow: 0 0 0 10px rgba(214,40,40,0); }
  100% { box-shadow: 0 0 0 0 rgba(214,40,40,0); }
}
.hero-h1 {
  font-size: clamp(2.3rem, 5.2vw, 3.8rem); font-weight: 800;
  color: #fff; line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 22px;
}
.hero-h1 .accent { color: #7EC8F7; }
.hero-sub {
  font-size: 1.08rem; color: rgba(255,255,255,0.72); line-height: 1.75;
  max-width: 540px; margin-bottom: 36px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Hero visual */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; height: 100%; }
.hero-img-card {
  background: rgba(255,255,255,0.06); backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px); border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--r-xl); overflow: hidden; max-width: 480px; width: 100%;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
  animation: floatCard 6s ease-in-out infinite;
}
@keyframes floatCard { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.hero-img-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: brightness(0.92) saturate(1.08); }
.hero-img-caption { padding: 18px 22px; display: flex; align-items: center; gap: 13px; }
.hic-icon { width: 42px; height: 42px; border-radius: 11px; background: var(--red-500); color: #fff; display: grid; place-items: center; font-size: 1.1rem; flex-shrink: 0; }
.hic-label { font-size: 0.7rem; font-weight: 500; color: rgba(255,255,255,0.5); }
.hic-val { font-size: 0.92rem; font-weight: 700; color: #fff; }
/* Floating accent chip */
.hero-chip {
  position: absolute; z-index: 3; background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.18); border-radius: var(--r);
  padding: 12px 16px; display: flex; align-items: center; gap: 10px;
  box-shadow: 0 14px 40px rgba(0,0,0,0.3);
}
.hero-chip.chip-1 { top: 8%; left: -28px; animation: floatCard 5s ease-in-out infinite; }
.hero-chip.chip-2 { bottom: 14%; right: -24px; animation: floatCard 5s ease-in-out infinite 1.5s; }
.hero-chip .ci { width: 30px; height: 30px; border-radius: 8px; background: rgba(126,200,247,0.2); color: #7EC8F7; display: grid; place-items: center; }
.hero-chip .ct { font-size: 0.74rem; font-weight: 700; color: #fff; line-height: 1.2; }
.hero-chip .cs { font-size: 0.64rem; color: rgba(255,255,255,0.55); }

/* ============================================================
   7. FEATURE / STAT CARDS (premium glass)
   ============================================================ */
#features { margin-top: -56px; position: relative; z-index: 5; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card {
  background: rgba(255,255,255,0.85); backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px); border: 1px solid var(--gray-100);
  border-radius: var(--r-lg); padding: 28px 24px;
  box-shadow: var(--shadow-md); transition: var(--t);
  position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--navy-600), var(--red-500));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease);
}
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.stat-card:hover::before { transform: scaleX(1); }
.stat-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--navy-50); color: var(--navy-600);
  display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 18px;
  transition: var(--t);
}
.stat-card:hover .stat-icon { background: var(--navy-600); color: #fff; transform: rotate(-6deg); }
.stat-val { font-size: 1.3rem; font-weight: 800; color: var(--navy-800); margin-bottom: 4px; letter-spacing: -0.02em; }
.stat-label { font-size: 0.82rem; color: var(--gray-500); font-weight: 500; }

/* ============================================================
   8. ABOUT
   ============================================================ */
.about-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.about-img-wrap { position: relative; border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--shadow-xl); }
.about-img-wrap img { width: 100%; aspect-ratio: 4/3.4; object-fit: cover; }
.about-badge {
  position: absolute; bottom: 22px; left: 22px; right: 22px;
  background: rgba(6,40,73,0.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: #fff; padding: 18px 22px; border-radius: var(--r); border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; gap: 18px; box-shadow: var(--shadow-lg);
}
.ab-stat { line-height: 1; }
.ab-num { font-size: 1.9rem; font-weight: 800; color: #fff; }
.ab-num .plus { font-size: 1.1rem; font-weight: 600; color: var(--red-300); }
.ab-text { font-size: 0.74rem; font-weight: 500; color: rgba(255,255,255,0.7); margin-top: 4px; }
.ab-divider { width: 1px; height: 42px; background: rgba(255,255,255,0.18); }
/* decorative ring */
.about-ring {
  position: absolute; width: 150px; height: 150px; border-radius: 50%;
  border: 2px dashed var(--navy-200); top: -28px; right: -28px; z-index: -1;
  animation: spin 26s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.about-points { display: grid; gap: 4px; }
.about-points li { display: flex; align-items: flex-start; gap: 13px; padding: 9px 0; font-size: 0.95rem; color: var(--gray-700); font-weight: 500; }
.about-points .check {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0; margin-top: 1px;
  background: var(--red-50); color: var(--red-500); display: grid; place-items: center; font-size: 0.72rem;
}
.about-body p { font-size: 0.98rem; line-height: 1.8; }
.about-body p.muted { color: var(--gray-500); }
.about-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ============================================================
   9. CATEGORIES
   ============================================================ */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card {
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm);
  transition: var(--t); display: flex; flex-direction: column; height: 100%;
  position: relative;
}
/* gradient border on hover */
.cat-card::after {
  content: ''; position: absolute; inset: 0; border-radius: var(--r-lg); padding: 2px;
  background: linear-gradient(135deg, var(--navy-600), var(--red-500));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity var(--t); pointer-events: none;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-xl); }
.cat-card:hover::after { opacity: 1; }
.cat-img-wrap { overflow: hidden; position: relative; }
.cat-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; transition: transform 0.5s var(--ease); }
.cat-card:hover .cat-img { transform: scale(1.07); }
.cat-img-wrap::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(6,40,73,0.32), transparent 55%);
}
.cat-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.cat-icon-badge {
  width: 46px; height: 46px; border-radius: 12px; background: var(--navy-50); color: var(--navy-600);
  display: grid; place-items: center; font-size: 1.2rem; margin-bottom: 16px; transition: var(--t);
}
.cat-card:hover .cat-icon-badge { background: var(--navy-600); color: #fff; transform: translateY(-2px) rotate(-6deg); }
.cat-name { font-size: 1.08rem; font-weight: 800; color: var(--navy-800); margin-bottom: 9px; }
.cat-desc { font-size: 0.88rem; color: var(--gray-500); line-height: 1.65; flex: 1; margin-bottom: 20px; }
.btn-cat {
  display: inline-flex; align-items: center; gap: 7px; align-self: flex-start;
  font-size: 0.82rem; font-weight: 700; color: var(--navy-600);
  border: 1.5px solid var(--navy-200); padding: 8px 18px; border-radius: var(--r-pill);
  transition: var(--t);
}
.btn-cat:hover { background: var(--navy-600); color: #fff; border-color: var(--navy-600); gap: 11px; }
.btn-cat i { transition: transform var(--t); }
.btn-cat:hover i { transform: translateX(2px); }

/* ============================================================
   10. PRODUCTS
   ============================================================ */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-card {
  background: #fff; border-radius: var(--r-lg); overflow: hidden;
  border: 1px solid var(--gray-100); box-shadow: var(--shadow-sm);
  transition: var(--t); display: flex; flex-direction: column; height: 100%;
}
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--navy-100); }
.prod-img-wrap { position: relative; overflow: hidden; background: var(--gray-50); }
.prod-img {
  width: 100%; aspect-ratio: 4/3; object-fit: cover; padding: 16px;
  background: var(--gray-50); transition: transform 0.5s var(--ease);
}
.prod-card:hover .prod-img { transform: scale(1.06); }
.prod-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--navy-600); color: #fff; font-size: 0.66rem; font-weight: 700;
  padding: 4px 11px; border-radius: var(--r-pill); letter-spacing: 0.05em; text-transform: uppercase;
}
.prod-badge.new { background: var(--red-500); }
.prod-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.prod-brand { font-size: 0.7rem; font-weight: 700; color: var(--red-500); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 7px; }
.prod-name { font-size: 1rem; font-weight: 800; color: var(--navy-800); margin-bottom: 9px; line-height: 1.3; }
.prod-desc { font-size: 0.84rem; color: var(--gray-500); line-height: 1.6; flex: 1; margin-bottom: 18px; }
.prod-btns { display: flex; gap: 8px; }
.btn-prod-primary {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--navy-600); color: #fff; font-size: 0.78rem; font-weight: 600;
  padding: 10px 14px; border-radius: var(--r-sm); transition: var(--t);
}
.btn-prod-primary:hover { background: var(--navy-800); color: #fff; gap: 9px; }
.btn-prod-wa {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--wa); color: #fff; font-size: 0.78rem; font-weight: 600;
  padding: 10px 14px; border-radius: var(--r-sm); transition: var(--t); white-space: nowrap;
}
.btn-prod-wa:hover { background: var(--wa-dk); color: #fff; }

/* ============================================================
   11. WHY CHOOSE US (dark)
   ============================================================ */
#why { background: var(--navy-800); position: relative; overflow: hidden; }
#why::before {
  content: ''; position: absolute; top: -140px; right: -140px; width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(214,40,40,0.13) 0%, transparent 70%); pointer-events: none;
}
#why::after {
  content: ''; position: absolute; bottom: -180px; left: -120px; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(126,200,247,0.08) 0%, transparent 70%); pointer-events: none;
}
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; z-index: 1; }
.why-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--r-lg); padding: 30px 26px; transition: var(--t); position: relative; overflow: hidden;
}
.why-card::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--red-500), var(--red-300));
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s var(--ease);
}
.why-card:hover { background: rgba(255,255,255,0.09); transform: translateY(-6px); }
.why-card:hover::before { transform: scaleX(1); }
.why-icon {
  width: 54px; height: 54px; border-radius: 14px; background: rgba(214,40,40,0.16); color: #FF9D9D;
  display: grid; place-items: center; font-size: 1.5rem; margin-bottom: 18px; transition: var(--t);
}
.why-card:hover .why-icon { background: var(--red-500); color: #fff; }
.why-title { font-size: 1.06rem; font-weight: 800; color: #fff; margin-bottom: 9px; }
.why-desc { font-size: 0.86rem; color: rgba(255,255,255,0.58); line-height: 1.7; }

/* ============================================================
   12. ASSOCIATES (logo slider)
   ============================================================ */
.logo-track-wrap { overflow: hidden; position: relative; padding: 6px 0; -webkit-mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.logo-track { display: flex; gap: 22px; width: max-content; animation: scrollLogos 34s linear infinite; }
.logo-track:hover { animation-play-state: paused; }
@keyframes scrollLogos { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.logo-item {
  width: 180px; height: 78px; flex-shrink: 0; background: #fff;
  border: 1px solid var(--gray-200); border-radius: var(--r);
  display: flex; align-items: center; justify-content: center; padding: 14px 22px;
  filter: grayscale(1) opacity(0.5); transition: var(--t);
}
.logo-item:hover { filter: grayscale(0) opacity(1); box-shadow: var(--shadow-md); border-color: var(--navy-200); transform: translateY(-3px); }
.brand-name-logo { font-size: 1rem; font-weight: 800; color: var(--navy-800); text-align: center; letter-spacing: -0.02em; line-height: 1.15; }
.brand-name-logo .sub { display: block; font-size: 0.68rem; font-weight: 600; color: var(--gray-400); letter-spacing: 0.04em; text-transform: uppercase; margin-top: 2px; }

/* ============================================================
   13. CTA SECTION
   ============================================================ */
#cta-section {
  background: linear-gradient(130deg, var(--navy-800) 0%, var(--navy-600) 100%);
  position: relative; overflow: hidden;
}
#cta-section::before {
  content: ''; position: absolute; top: -60%; right: -8%; width: 620px; height: 620px;
  border-radius: 50%; border: 80px solid rgba(255,255,255,0.04); pointer-events: none;
}
#cta-section::after {
  content: ''; position: absolute; bottom: -40%; left: -6%; width: 420px; height: 420px;
  border-radius: 50%; border: 60px solid rgba(214,40,40,0.05); pointer-events: none;
}
.cta-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: clamp(28px, 4vw, 52px); align-items: center; position: relative; z-index: 1; }
.cta-title { font-size: clamp(1.7rem, 3.6vw, 2.7rem); font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 16px; }
.cta-title .accent { color: #7EC8F7; }
.cta-sub { color: rgba(255,255,255,0.66); font-size: 1.04rem; margin-bottom: 32px; max-width: 520px; line-height: 1.7; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-stats {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.13);
  border-radius: var(--r-xl); padding: 32px; backdrop-filter: blur(10px);
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px 12px; text-align: center;
}
.cta-stat .num { font-size: 2.1rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.cta-stat .lbl { font-size: 0.8rem; color: rgba(255,255,255,0.52); margin-top: 2px; }

/* ============================================================
   14. FOOTER
   ============================================================ */
#footer { background: var(--navy-900); border-top: 3px solid var(--red-500); }
.footer-top { padding: 68px 0 44px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: clamp(28px, 4vw, 52px); }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo-text { font-size: 1.2rem; font-weight: 800; color: #fff; }
.footer-tagline { font-size: 0.74rem; color: rgba(255,255,255,0.42); margin-top: 2px; }
.footer-about { font-size: 0.88rem; color: rgba(255,255,255,0.52); line-height: 1.75; margin-bottom: 22px; max-width: 320px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.fci-icon { width: 36px; height: 36px; border-radius: 9px; background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.6); display: grid; place-items: center; font-size: 0.9rem; flex-shrink: 0; transition: var(--t); }
.footer-contact-item:hover .fci-icon { background: var(--red-500); color: #fff; }
.fci-label { font-size: 0.68rem; font-weight: 700; color: rgba(255,255,255,0.32); text-transform: uppercase; letter-spacing: 0.08em; }
.fci-text { font-size: 0.85rem; color: rgba(255,255,255,0.58); line-height: 1.5; margin-top: 2px; }
.footer-h { font-size: 0.86rem; font-weight: 800; color: #fff; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 0.1em; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 0.87rem; color: rgba(255,255,255,0.52); display: inline-flex; align-items: center; gap: 8px; transition: var(--t); }
.footer-links a::before { content: '\203A'; color: var(--red-500); font-size: 1.1rem; transition: var(--t); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-links a:hover::before { transform: translateX(2px); }

/* Newsletter */
.newsletter-form { position: relative; margin-top: 14px; }
.newsletter-form input {
  width: 100%; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  color: #fff; font-size: 0.88rem; padding: 13px 52px 13px 16px; border-radius: var(--r-pill);
  transition: var(--t); font-family: inherit;
}
.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { outline: none; border-color: var(--navy-300); background: rgba(255,255,255,0.1); }
.newsletter-form button {
  position: absolute; right: 5px; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%; border: none;
  background: var(--red-500); color: #fff; display: grid; place-items: center; cursor: pointer; transition: var(--t);
}
.newsletter-form button:hover { background: var(--red-600); transform: translateY(-50%) scale(1.06); }
.newsletter-note { font-size: 0.76rem; color: rgba(255,255,255,0.34); margin-top: 12px; }
.newsletter-ok { font-size: 0.82rem; color: #6FD08C; margin-top: 10px; display: none; }
.newsletter-ok.show { display: block; }

.social-row { display: flex; gap: 9px; margin-top: 20px; }
.social-btn { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.07); color: rgba(255,255,255,0.55); display: grid; place-items: center; font-size: 0.95rem; transition: var(--t); }
.social-btn:hover { background: var(--red-500); color: #fff; transform: translateY(-3px); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 22px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-made { font-size: 0.78rem; color: rgba(255,255,255,0.3); }
.footer-bottom-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom-links a { font-size: 0.8rem; color: rgba(255,255,255,0.4); }
.footer-bottom-links a:hover { color: #fff; }

/* ============================================================
   15. WHATSAPP FLOAT
   ============================================================ */
.wa-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 998;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa); color: #fff;
  display: grid; place-items: center; font-size: 1.7rem; box-shadow: 0 6px 24px rgba(37,211,102,0.5);
  transition: var(--t);
}
.wa-float::before { content: ''; position: absolute; inset: 0; border-radius: 50%; background: rgba(37,211,102,0.35); animation: waPulse 2.2s ease-out infinite; }
@keyframes waPulse { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(1.9); opacity: 0; } }
.wa-float:hover { transform: scale(1.1); color: #fff; box-shadow: 0 10px 36px rgba(37,211,102,0.65); }

/* ============================================================
   16. SCROLL REVEAL
   ============================================================ */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-32px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 0; transform: translateX(32px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-right.visible { opacity: 1; transform: none; }
.reveal-zoom { opacity: 0; transform: scale(0.94); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal-zoom.visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }
.delay-4 { transition-delay: 0.32s; }
.delay-5 { transition-delay: 0.4s; }
.delay-6 { transition-delay: 0.48s; }

/* ============================================================
   17. RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 991.98px) {
  .nav-links, .nav-cta-desktop { display: none !important; }
  .hamburger { display: flex; }
  .hero-visual { display: none; }
  .hero-content { padding: calc(var(--nav-h) + 40px) 0 48px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-ring { display: none; }
  .cta-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  #features { margin-top: -40px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767.98px) {
  .hero-chip { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 575.98px) {
  .hero-btns, .cta-btns { flex-direction: column; align-items: stretch; }
  .hero-btns .btn-base, .cta-btns .btn-base { justify-content: center; }
  .cat-grid, .prod-grid, .why-grid { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr; }
  .about-badge { flex-direction: column; align-items: flex-start; gap: 12px; }
  .ab-divider { width: 100%; height: 1px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .hero-img-card, .hero-chip, .about-ring, .logo-track, .wa-float::before { animation: none !important; }
}