/* ========================================
   ICERC — Design System & Styles
   ======================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Colors */
  --clr-bg: #060d1f;
  --clr-bg-alt: #0b1530;
  --clr-surface: #101d3a;
  --clr-surface-hover: #152448;
  --clr-primary: #0B1D51;
  --clr-accent: #00D4FF;
  --clr-accent-glow: rgba(0, 212, 255, .25);
  --clr-accent-2: #6C63FF;
  --clr-text: #e8edf5;
  --clr-text-muted: #8b97b5;
  --clr-white: #ffffff;
  --clr-border: rgba(255,255,255,.06);
  --clr-glass: rgba(11,29,81,.45);

  /* Typography */
  --ff: 'Inter', system-ui, -apple-system, sans-serif;
  --fs-xs: clamp(.7rem, 1.5vw, .8rem);
  --fs-sm: clamp(.8rem, 1.8vw, .9rem);
  --fs-base: clamp(.9rem, 2vw, 1rem);
  --fs-md: clamp(1rem, 2.2vw, 1.15rem);
  --fs-lg: clamp(1.15rem, 2.5vw, 1.35rem);
  --fs-xl: clamp(1.5rem, 3.5vw, 2rem);
  --fs-2xl: clamp(2rem, 5vw, 3rem);
  --fs-3xl: clamp(2.5rem, 6vw, 4rem);
  --fs-hero: clamp(2.8rem, 7vw, 5rem);

  /* Spacing */
  --space-xs: .5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Borders */
  --radius-sm: .5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-full: 50%;

  /* Transitions */
  --tr-fast: 200ms ease;
  --tr-base: 350ms cubic-bezier(.4,0,.2,1);
  --tr-slow: 600ms cubic-bezier(.4,0,.2,1);

  /* Shadows */
  --shadow-card: 0 4px 30px rgba(0,0,0,.3);
  --shadow-glow: 0 0 40px var(--clr-accent-glow);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: var(--ff);
  font-size: var(--fs-base);
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ---------- Utility ---------- */
.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: var(--space-3xl) 0; }
.accent-text { color: var(--clr-accent); }
.text-center { text-align: center; }

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.section-header .label {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--clr-accent);
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: 30px;
}
.section-header .label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--clr-accent);
}
.section-header h2 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
}
.section-header p {
  color: var(--clr-text-muted);
  max-width: 560px;
  margin: 0 auto;
  font-size: var(--fs-md);
}

/* ---------- Reveal Animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--tr-slow), transform var(--tr-slow);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity var(--tr-slow), transform var(--tr-slow);
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity var(--tr-slow), transform var(--tr-slow);
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}
.reveal-scale {
  opacity: 0;
  transform: scale(.85);
  transition: opacity var(--tr-slow), transform var(--tr-slow);
}
.reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }
.delay-6 { transition-delay: 600ms; }

/* ========================================
   NAVIGATION
   ======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: background var(--tr-base), padding var(--tr-base), box-shadow var(--tr-base);
}
.navbar.scrolled {
  background: rgba(6,13,31,.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: .6rem 0;
  box-shadow: 0 2px 30px rgba(0,0,0,.4);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.nav-logo img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.nav-logo span {
  font-size: var(--fs-lg);
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--clr-white);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-links a {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color var(--tr-fast);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--clr-accent);
  transition: width var(--tr-base);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--clr-accent);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}
.nav-cta {
  padding: .55rem 1.3rem;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  border-radius: 50px;
  font-weight: 600;
  font-size: var(--fs-sm);
  color: var(--clr-bg) !important;
  transition: transform var(--tr-fast), box-shadow var(--tr-fast);
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: var(--clr-bg) !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: 1001;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: var(--tr-base);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.35);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(6,13,31,.6) 0%,
    rgba(6,13,31,.4) 50%,
    rgba(6,13,31,.95) 100%
  );
  z-index: 1;
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--clr-accent);
  border-radius: 50%;
  opacity: .4;
  animation: float-particle linear infinite;
}
@keyframes float-particle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: .4; }
  90% { opacity: .4; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem 1rem;
  background: var(--clr-glass);
  border: 1px solid var(--clr-border);
  border-radius: 50px;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--clr-accent);
  margin-bottom: var(--space-md);
  backdrop-filter: blur(10px);
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 var(--clr-accent-glow); }
  50% { box-shadow: 0 0 0 8px transparent; }
}
.hero h1 {
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  letter-spacing: -1px;
}
.hero h1 .gradient-text {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: var(--fs-lg);
  color: var(--clr-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 540px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  color: var(--clr-bg);
  font-weight: 700;
  font-size: var(--fs-base);
  border-radius: 50px;
  transition: transform var(--tr-fast), box-shadow var(--tr-fast);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--clr-text);
  font-weight: 600;
  font-size: var(--fs-base);
  border-radius: 50px;
  transition: var(--tr-base);
}
.btn-outline:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: var(--clr-accent-glow);
}
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--clr-text-muted);
  font-size: var(--fs-xs);
  animation: bounce 2s ease infinite;
}
.hero-scroll .mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--clr-text-muted);
  border-radius: 12px;
  position: relative;
}
.hero-scroll .mouse::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: var(--clr-accent);
  border-radius: 3px;
  animation: scroll-wheel 2s ease infinite;
}
@keyframes scroll-wheel {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   SERVICES
   ======================================== */
.services { background: var(--clr-bg); position: relative; }
.services::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--clr-accent-glow), transparent 70%);
  pointer-events: none;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}
.service-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--tr-base);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-accent-2));
  opacity: 0;
  transition: opacity var(--tr-base);
}
.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--clr-accent-glow);
  box-shadow: var(--shadow-glow);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--clr-accent-glow), rgba(108,99,255,.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.6rem;
}
.service-card h3 {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}
.service-card p {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}
.service-card .service-list {
  margin-top: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.service-card .service-list span {
  display: inline-block;
  padding: .25rem .65rem;
  background: rgba(0,212,255,.08);
  border: 1px solid rgba(0,212,255,.15);
  border-radius: 50px;
  font-size: var(--fs-xs);
  color: var(--clr-accent);
}
.service-img {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
}
.service-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tr-slow);
}
.service-card:hover .service-img img {
  transform: scale(1.08);
}

/* ========================================
   ABOUT / STATS
   ======================================== */
.about {
  background: var(--clr-bg-alt);
  position: relative;
  overflow: hidden;
}
.about::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(108,99,255,.12), transparent 70%);
  pointer-events: none;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  pointer-events: none;
}
.about-text h2 {
  font-size: var(--fs-2xl);
  font-weight: 800;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}
.about-text p {
  color: var(--clr-text-muted);
  margin-bottom: var(--space-md);
  font-size: var(--fs-md);
  line-height: 1.8;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.stat-item {
  text-align: center;
  padding: var(--space-md);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
}
.stat-number {
  font-size: var(--fs-xl);
  font-weight: 900;
  color: var(--clr-accent);
  line-height: 1;
  margin-bottom: .25rem;
}
.stat-label {
  font-size: var(--fs-xs);
  color: var(--clr-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ========================================
   PRODUCTS / CATEGORIES
   ======================================== */
.products { background: var(--clr-bg); position: relative; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}
.product-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  border: 1px solid var(--clr-border);
}
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--tr-slow);
}
.product-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6,13,31,.9) 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
  transition: var(--tr-base);
}
.product-card:hover img {
  transform: scale(1.12);
}
.product-card:hover .product-overlay {
  background: linear-gradient(180deg, transparent 20%, rgba(0,212,255,.2) 100%);
}
.product-overlay span {
  font-weight: 700;
  font-size: var(--fs-base);
  letter-spacing: .5px;
}

/* ========================================
   CONTACT
   ======================================== */
.contact { background: var(--clr-bg-alt); position: relative; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}
.contact-info { display: flex; flex-direction: column; gap: var(--space-md); }
.contact-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}
.contact-item-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.contact-item h4 {
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: .15rem;
}
.contact-item p {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.form-group { position: relative; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .85rem 1.2rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  font-family: var(--ff);
  font-size: var(--fs-base);
  transition: border-color var(--tr-fast);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-accent);
  box-shadow: 0 0 0 3px var(--clr-accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--clr-text-muted);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}
.btn-submit {
  padding: .85rem 2rem;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-2));
  color: var(--clr-bg);
  font-weight: 700;
  font-size: var(--fs-base);
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--tr-fast), box-shadow var(--tr-fast);
  align-self: flex-start;
}
.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* Map */
.map-wrapper {
  margin-top: var(--space-xl);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  height: 300px;
}
.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: brightness(.8) contrast(1.1) saturate(.6) hue-rotate(180deg);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-xl) 0 var(--space-md);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-brand p {
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  margin-top: var(--space-sm);
  max-width: 280px;
  line-height: 1.7;
}
.footer-social {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  transition: var(--tr-base);
}
.footer-social a:hover {
  background: var(--clr-accent);
  color: var(--clr-bg);
  border-color: var(--clr-accent);
}
.footer-col h4 {
  font-size: var(--fs-base);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--clr-white);
}
.footer-col a {
  display: block;
  color: var(--clr-text-muted);
  font-size: var(--fs-sm);
  padding: .25rem 0;
  transition: color var(--tr-fast), padding-left var(--tr-fast);
}
.footer-col a:hover {
  color: var(--clr-accent);
  padding-left: .5rem;
}
.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--clr-text-muted);
  font-size: var(--fs-xs);
}

/* ========================================
   MOBILE MENU
   ======================================== */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(6,13,31,.98);
  backdrop-filter: blur(20px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--tr-base);
}
.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu a {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--clr-text);
  transition: color var(--tr-fast);
}
.mobile-menu a:hover {
  color: var(--clr-accent);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; }
  .about-image img { height: 300px; }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  
  .hero-content { padding-top: 4rem; }
  .hero h1 { font-size: var(--fs-2xl); }
  
  .services-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  
  .stats-row { grid-template-columns: repeat(3, 1fr); gap: .5rem; }
  .stat-item { padding: var(--space-sm); }
  
  .form-row { grid-template-columns: 1fr; }
  
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; gap: .5rem; text-align: center; }
}

@media (max-width: 480px) {
  .container { width: 92%; }
  .section-padding { padding: var(--space-xl) 0; }
  
  .hero { min-height: 100svh; }
  .hero-btns { flex-direction: column; }
  .hero-btns a { text-align: center; justify-content: center; }
  .hero-scroll { display: none; }
  
  .products-grid { grid-template-columns: 1fr 1fr; gap: .5rem; }
  
  .stats-row { grid-template-columns: 1fr; }
  
  .map-wrapper { height: 220px; }
}

/* ========================================
   LOADING SCREEN
   ======================================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--clr-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .5s ease, visibility .5s ease;
}
.loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.loader-content {
  text-align: center;
}
.loader-logo {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-sm);
  animation: loader-pulse 1.5s ease infinite;
  filter: brightness(0) invert(1);
}
@keyframes loader-pulse {
  0%, 100% { opacity: .4; transform: scale(.95); }
  50% { opacity: 1; transform: scale(1); }
}
.loader-bar {
  width: 120px;
  height: 3px;
  background: var(--clr-surface);
  border-radius: 3px;
  margin: 0 auto;
  overflow: hidden;
}
.loader-bar::after {
  content: '';
  display: block;
  width: 40%;
  height: 100%;
  background: var(--clr-accent);
  border-radius: 3px;
  animation: loader-slide 1s ease infinite;
}
@keyframes loader-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}