/* ═══════════════════════════════════════════════════════════
   ARTANA — Design System
   Palette: Deep Navy + Cyan + Forest Green + Off-White
   Fonts: Bricolage Grotesque (UI) + DM Serif Display (headings)
═══════════════════════════════════════════════════════════ */

:root {
  --navy:       #0B1628;
  --navy-mid:   #112240;
  --navy-light: #1A3358;
  --cyan:       #00C2D4;
  --cyan-light: #4DD9E8;
  --cyan-dim:   #00C2D420;
  --green:      #1E7A3C;
  --green-light:#2EA84F;
  --green-dim:  #1E7A3C20;
  --off-white:  #F0F4F8;
  --white:      #FFFFFF;
  --text-muted: #8BA3C0;
  --border:     #1E3A5F;

  --font-display: 'DM Serif Display', Georgia, serif;
  --font-ui:      'Bricolage Grotesque', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 12px rgba(0,0,0,0.15);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.25);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.35);
  --shadow-cyan: 0 0 40px rgba(0,194,212,0.15);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-ui);
  background: var(--navy);
  color: var(--off-white);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Typography ── */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.section-label::before {
  content: '';
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 20px;
}
.section-title em {
  font-style: italic;
  color: var(--cyan);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  line-height: 1.7;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-label { justify-content: center; }
.section-header .section-sub { margin: 0 auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan);
  color: var(--navy);
}
.btn-primary:hover {
  background: var(--cyan-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,194,212,0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--off-white);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

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

/* ── Reveal Animation ── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════════════
   NAVBAR
════════════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled {
  background: rgba(11, 22, 40, 0.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

.nav-cta {
  background: var(--cyan);
  color: var(--navy) !important;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-md);
}
.nav-cta:hover {
  background: var(--cyan-light) !important;
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--off-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* ════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,194,212,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,194,212,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,194,212,0.12), transparent 70%);
  top: -100px; left: -100px;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(30,122,60,0.1), transparent 70%);
  bottom: -50px; right: 10%;
}

.hero {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-content { position: relative; z-index: 2; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,194,212,0.1);
  border: 1px solid rgba(0,194,212,0.25);
  color: var(--cyan);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}
.badge-dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 24px;
}
.title-accent {
  color: var(--cyan);
  font-style: italic;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--cyan);
  line-height: 1;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero Visual */
.hero-visual { position: relative; z-index: 2; }

.hero-card-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hero-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
  animation: floatCard 4s ease-in-out infinite;
}
.hero-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-cyan);
}
.hc-1 { animation-delay: 0s; }
.hc-2 { animation-delay: 0.5s; }
.hc-3 { animation-delay: 1s; }
.hc-4 { animation-delay: 1.5s; }

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

.hc-icon { font-size: 1.8rem; flex-shrink: 0; }
.hc-text { display: flex; flex-direction: column; gap: 2px; }
.hc-text strong { font-size: 0.85rem; font-weight: 700; color: var(--white); }
.hc-text span { font-size: 0.75rem; color: var(--text-muted); }

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ════════════════════════════════════════════════
   MARQUEE
════════════════════════════════════════════════ */
.marquee-strip {
  background: var(--cyan);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  gap: 32px;
  animation: marquee 30s linear infinite;
}
.marquee-track span {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy);
}
.marquee-track .sep {
  color: var(--navy-mid);
  font-size: 0.7rem;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ════════════════════════════════════════════════
   ABOUT
════════════════════════════════════════════════ */
.about {
  padding: 100px 0;
  background: var(--navy-mid);
  position: relative;
  overflow: hidden;
}
.about::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-body {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 1rem;
}

.about-pillars {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}
.pillar {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.pillar-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.pillar strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.pillar p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* About Visual */
.about-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: relative;
}

.av-block {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: var(--transition);
}
.av-block:hover {
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
}
.av-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--cyan);
  line-height: 1;
}
.av-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.av-tagline {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--cyan), var(--green-light));
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.av-tagline span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-style: italic;
  color: var(--navy);
  font-weight: 700;
}

/* ════════════════════════════════════════════════
   PRODUCTS
════════════════════════════════════════════════ */
.products {
  padding: 100px 0;
  background: var(--navy);
}

/* Category Tabs */
.cat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}

.cat-tab {
  padding: 10px 22px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--navy-mid);
  border: 1.5px solid var(--border);
  transition: var(--transition);
}
.cat-tab:hover {
  color: var(--white);
  border-color: var(--cyan);
}
.cat-tab.active {
  background: var(--cyan);
  color: var(--navy);
  border-color: var(--cyan);
}

/* Panels */
.cat-panel { display: none; }
.cat-panel.active { display: block; }

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--green-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.product-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-cyan);
}
.product-card:hover::before { transform: scaleX(1); }

.pc-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.product-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.3;
}
.product-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 20px;
}
.pc-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--cyan);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.pc-link:hover { gap: 8px; }

/* ════════════════════════════════════════════════
   SERVICES
════════════════════════════════════════════════ */
.services {
  padding: 100px 0;
  background: var(--navy-mid);
  position: relative;
}
.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
}
.service-card:hover {
  border-color: var(--green-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(30,122,60,0.15);
}

.sc-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--border);
  line-height: 1;
  margin-bottom: 16px;
  transition: var(--transition);
}
.service-card:hover .sc-num { color: var(--green-light); }

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ════════════════════════════════════════════════
   WHY US
════════════════════════════════════════════════ */
.why-us {
  padding: 100px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}
.why-us::after {
  content: 'ARTANA';
  position: absolute;
  bottom: -40px;
  right: -20px;
  font-family: var(--font-display);
  font-size: 12rem;
  color: rgba(255,255,255,0.02);
  pointer-events: none;
  white-space: nowrap;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.why-body {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
  font-size: 1rem;
}

.why-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.why-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.why-item:first-child { border-top: 1px solid var(--border); }
.why-item:hover { padding-left: 8px; }

.wi-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.wi-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.wi-content p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ════════════════════════════════════════════════
   CONTACT
════════════════════════════════════════════════ */
.contact {
  padding: 100px 0;
  background: var(--navy-mid);
  position: relative;
}
.contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: start;
}

/* Form */
.contact-form-wrap {
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

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

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--navy-mid);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--white);
  transition: var(--transition);
  outline: none;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group select option { background: var(--navy-mid); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,194,212,0.1);
}

.form-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: -8px;
}

/* Contact Info */
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 8px;
}

.ci-block {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--navy);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.ci-block:hover {
  border-color: var(--cyan);
}
.ci-icon { font-size: 1.3rem; flex-shrink: 0; }
.ci-block strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.ci-block p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.ci-tagline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(0,194,212,0.08), rgba(30,122,60,0.08));
  border: 1px solid rgba(0,194,212,0.2);
  border-radius: var(--radius-lg);
  text-align: center;
}
.ci-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}
.ci-tagline p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--cyan);
}

/* Form success state */
.form-success {
  display: none;
  text-align: center;
  padding: 40px;
}
.form-success.show { display: block; }
.form-success h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--cyan);
  margin-bottom: 12px;
}
.form-success p { color: var(--text-muted); }

/* ════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════ */
.footer {
  background: var(--navy);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--cyan); padding-left: 4px; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 120px 24px 60px;
  }
  .hero-sub { margin: 0 auto 36px; }
  .hero-actions { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .hero-scroll-hint { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--navy);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-link { font-size: 1.2rem; padding: 12px 24px; }
  .hamburger { display: flex; z-index: 1001; }

  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-card-stack { grid-template-columns: 1fr; }
  .about-visual { grid-template-columns: 1fr 1fr; }
  .cat-tabs { gap: 6px; }
  .cat-tab { padding: 8px 14px; font-size: 0.8rem; }
  .products-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .section-title { font-size: 1.8rem; }
  .contact-form-wrap { padding: 24px; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 40px; height: 1px; }
}