@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
  /* Luxury Obsidian & Brushed Bronze-Gold Theme (Exact match to ARU metallic emblem) */
  --arutech-obsidian: #0A0A0C;
  --arutech-charcoal: #141418;
  --arutech-elevated: #1E1E24;
  --arutech-gold: #C2962C; /* Authentic brushed bronze-gold matching the logo ARU text exactly */
  --arutech-gold-glow: rgba(194, 150, 44, 0.35);
  --arutech-bronze: #8F6A1A;
  --arutech-silver: #E2E8F0;
  --arutech-gray: #94A3B8;
  --arutech-dark-border: rgba(194, 150, 44, 0.22);
  --arutech-glass-border: rgba(226, 232, 240, 0.12);

  /* Brushed Bronze-Gold Metallic Sheen Gradients */
  --arutech-gradient-gold: linear-gradient(135deg, #DFC16D 0%, #C2962C 50%, #8F6A1A 100%);
  --arutech-gradient-silver: linear-gradient(135deg, #FFFFFF 0%, #E2E8F0 50%, #94A3B8 100%);
  --arutech-gradient-surface: linear-gradient(180deg, rgba(26, 26, 32, 0.88) 0%, rgba(14, 14, 18, 0.96) 100%);
  --arutech-gradient-card: linear-gradient(145deg, rgba(30, 30, 38, 0.6) 0%, rgba(16, 16, 20, 0.9) 100%);

  /* Shadows */
  --arutech-shadow-gold: 0 10px 30px -5px rgba(194, 150, 44, 0.28), 0 0 25px rgba(194, 150, 44, 0.16);
  --arutech-shadow-card: 0 20px 45px rgba(0, 0, 0, 0.75);
  --arutech-shadow-hover: 0 25px 55px rgba(0, 0, 0, 0.9), 0 0 35px rgba(194, 150, 44, 0.2);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--arutech-obsidian);
  color: var(--arutech-silver);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

/* Background Ambient Glows & Interactive Canvas */
.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.bg-orb-1 {
  top: -15%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(194, 150, 44, 0.15) 0%, rgba(10, 10, 12, 0) 70%);
}
.bg-orb-2 {
  bottom: 10%;
  left: -15%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(143, 106, 26, 0.13) 0%, rgba(10, 10, 12, 0) 70%);
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Header & Navigation — Clean, dignified, logo-first */
header {
  padding: 20px 0;
  border-bottom: 1px solid rgba(194, 150, 44, 0.16);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 12, 0.88);
  transition: all 0.3s ease;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}

.logo-container img {
  height: 56px;
  width: auto;
  filter: drop-shadow(0 2px 12px rgba(194, 150, 44, 0.45));
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.logo-container:hover img {
  transform: scale(1.08) rotate(-1deg);
}

.logo-text {
  font-size: 24px;
  font-weight: 800;
  color: var(--arutech-gold);
  letter-spacing: 1.5px;
}

.logo-text span {
  background: var(--arutech-gradient-silver);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 400;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: #CBD5E1;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  position: relative;
  transition: color 0.25s ease;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--arutech-gradient-gold);
  transition: width 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--arutech-gold);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

/* Buttons */
.btn-luxury {
  background: var(--arutech-gradient-gold);
  color: #000000;
  padding: 14px 34px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.35s ease;
  box-shadow: 0 4px 18px rgba(194, 150, 44, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: none;
  cursor: pointer;
  letter-spacing: 0.5px;
}

.btn-luxury:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--arutech-shadow-gold);
}

.btn-outline {
  background: rgba(226, 232, 240, 0.03);
  color: var(--arutech-silver);
  border: 1px solid rgba(226, 232, 240, 0.3);
  padding: 14px 34px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  transition: all 0.35s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-outline:hover {
  border-color: var(--arutech-gold);
  color: var(--arutech-gold);
  background: rgba(194, 150, 44, 0.1);
  transform: translateY(-3px);
}

/* Hero Section */
.hero {
  padding: 110px 0 90px;
  text-align: center;
  max-width: 1020px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(194, 150, 44, 0.12);
  border: 1px solid rgba(194, 150, 44, 0.38);
  padding: 8px 24px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--arutech-gold);
  margin-bottom: 34px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  box-shadow: 0 4px 20px rgba(194, 150, 44, 0.12);
  animation: pulseBadge 3s infinite ease-in-out;
}

@keyframes pulseBadge {
  0%, 100% { border-color: rgba(194, 150, 44, 0.38); box-shadow: 0 4px 20px rgba(194, 150, 44, 0.12); }
  50% { border-color: rgba(194, 150, 44, 0.85); box-shadow: 0 4px 30px rgba(194, 150, 44, 0.38); }
}

.hero h1 {
  font-size: 64px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 28px;
  color: var(--arutech-silver);
}

.hero h1 span {
  background: var(--arutech-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 21px;
  color: var(--arutech-gray);
  max-width: 800px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 80px;
}

/* Interactive Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 20px;
}

.stat-card {
  background: rgba(30, 30, 38, 0.45);
  border: 1px solid var(--arutech-glass-border);
  border-radius: 18px;
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.stat-card:hover {
  border-color: var(--arutech-gold);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--arutech-gold);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--arutech-gray);
  font-weight: 500;
}

/* Interactive Simulator Section (Live Interactive Feature) */
.simulator-section {
  padding: 100px 0;
  background: linear-gradient(180deg, rgba(10, 10, 12, 0) 0%, rgba(20, 20, 26, 0.75) 50%, rgba(10, 10, 12, 0) 100%);
  border-top: 1px solid rgba(194, 150, 44, 0.22);
  border-bottom: 1px solid rgba(194, 150, 44, 0.22);
}

.simulator-card {
  background: var(--arutech-gradient-surface);
  border: 1px solid rgba(194, 150, 44, 0.38);
  border-radius: 28px;
  padding: 50px;
  box-shadow: var(--arutech-shadow-gold);
  position: relative;
  overflow: hidden;
}

.sim-controls {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.sim-btn {
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid rgba(226, 232, 240, 0.25);
  background: rgba(30, 30, 38, 0.6);
  color: var(--arutech-silver);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 12px;
}

.sim-btn.active-cloud {
  background: rgba(239, 68, 68, 0.15);
  border-color: #EF4444;
  color: #FCA5A5;
  box-shadow: 0 0 25px rgba(239, 68, 68, 0.25);
}

.sim-btn.active-local {
  background: var(--arutech-gradient-gold);
  border-color: var(--arutech-gold);
  color: #000000;
  box-shadow: var(--arutech-shadow-gold);
}

.sim-stage {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 40px;
}

.sim-node {
  background: rgba(14, 14, 18, 0.9);
  border: 1px solid rgba(226, 232, 240, 0.15);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
}

.sim-node h4 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--arutech-silver);
}

.sim-node p {
  font-size: 14px;
  color: var(--arutech-gray);
  margin-bottom: 16px;
}

.sim-node-icon {
  margin-bottom: 16px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.sim-packet-track {
  width: 180px;
  height: 60px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-line {
  width: 100%;
  height: 3px;
  background: rgba(226, 232, 240, 0.15);
  border-radius: 4px;
  position: absolute;
}

.sim-packet {
  position: absolute;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}

.sim-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  background: rgba(10, 10, 12, 0.8);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.sim-metric-box {
  text-align: center;
}

.sim-metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 4px;
}

.sim-metric-label {
  font-size: 13px;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Section Common Headers */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 64px;
}

.section-header .tag {
  display: inline-block;
  color: var(--arutech-gold);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
}

.section-header h2 {
  font-size: 42px;
  font-weight: 800;
  color: var(--arutech-silver);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-header p {
  font-size: 18px;
  color: var(--arutech-gray);
}

/* Interactive 3D Spotlight Cards (Pillars & Products) */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
}

.spotlight-card {
  background: var(--arutech-gradient-card);
  border: 1px solid var(--arutech-glass-border);
  border-radius: 22px;
  padding: 40px 32px;
  box-shadow: var(--arutech-shadow-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.15s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
  transform-style: preserve-3d;
  will-change: transform;
}

.spotlight-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(800px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(194, 150, 44, 0.18), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

.spotlight-card:hover {
  border-color: rgba(194, 150, 44, 0.5);
  box-shadow: var(--arutech-shadow-hover);
}

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

.spotlight-content {
  position: relative;
  z-index: 1;
}

.pillar-icon {
  width: 64px;
  height: 64px;
  background: rgba(194, 150, 44, 0.12);
  border: 1px solid rgba(194, 150, 44, 0.35);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--arutech-gold);
  margin-bottom: 24px;
  transition: transform 0.3s ease;
}

.spotlight-card:hover .pillar-icon {
  transform: scale(1.1) rotate(5deg);
  background: rgba(194, 150, 44, 0.2);
}

.spotlight-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--arutech-silver);
  margin-bottom: 14px;
}

.spotlight-card p {
  color: var(--arutech-gray);
  font-size: 16px;
  line-height: 1.7;
}

/* Deep Dive: Security & On-Device Architecture Section */
.architecture-section {
  padding: 100px 0;
  border-bottom: 1px solid rgba(194, 150, 44, 0.16);
}

.arch-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.arch-content h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--arutech-silver);
  margin-bottom: 20px;
  line-height: 1.25;
}

.arch-content p {
  color: var(--arutech-gray);
  font-size: 17px;
  margin-bottom: 32px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-check {
  width: 28px;
  height: 28px;
  background: rgba(194, 150, 44, 0.15);
  border: 1px solid var(--arutech-gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--arutech-gold);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item h4 {
  font-size: 18px;
  color: var(--arutech-silver);
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 15px;
  color: #94A3B8;
  margin-bottom: 0;
}

.arch-visual {
  background: var(--arutech-gradient-surface);
  border: 1px solid rgba(194, 150, 44, 0.32);
  border-radius: 24px;
  padding: 48px;
  box-shadow: var(--arutech-shadow-gold);
  position: relative;
  text-align: center;
}

.terminal-mockup {
  background: #0D0D10;
  border: 1px solid rgba(226, 232, 240, 0.15);
  border-radius: 12px;
  padding: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: #10B981;
  text-align: left;
  line-height: 1.8;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.8);
}

.terminal-header {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding-bottom: 10px;
  color: #64748B;
  font-size: 12px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #EF4444; }
.dot-yellow { background: #F59E0B; }
.dot-green { background: #10B981; }

/* Product Portfolio Section */
.portfolio-section {
  padding: 100px 0;
}

.product-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.badge {
  background: rgba(226, 232, 240, 0.08);
  border: 1px solid rgba(226, 232, 240, 0.15);
  color: var(--arutech-silver);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.badge-gold {
  background: rgba(194, 150, 44, 0.14);
  border-color: rgba(194, 150, 44, 0.35);
  color: var(--arutech-gold);
}

.theme-note {
  font-size: 12px;
  color: #64748B;
  background: rgba(10, 10, 12, 0.6);
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 24px;
  border-left: 3px solid var(--arutech-gold);
}

/* Interactive Accordion / FAQ Section */
.faq-section {
  padding: 90px 0;
  border-top: 1px solid rgba(226, 232, 240, 0.08);
}

.accordion-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background: var(--arutech-gradient-card);
  border: 1px solid var(--arutech-glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.accordion-header {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  color: var(--arutech-silver);
  transition: color 0.2s ease;
}

.accordion-header:hover {
  color: var(--arutech-gold);
}

.accordion-icon {
  font-size: 22px;
  color: var(--arutech-gold);
  transition: transform 0.3s ease;
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 28px;
  color: var(--arutech-gray);
  font-size: 15px;
  line-height: 1.7;
}

.accordion-item.active {
  border-color: rgba(194, 150, 44, 0.38);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-item.active .accordion-content {
  padding-bottom: 24px;
}

/* Contact & Studio Hub */
.contact-section {
  padding: 100px 0;
  background: var(--arutech-gradient-surface);
  border-top: 1px solid rgba(194, 150, 44, 0.28);
  text-align: center;
}

.contact-box {
  max-width: 760px;
  margin: 0 auto;
}

.contact-box h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--arutech-silver);
  margin-bottom: 16px;
}

.contact-box p {
  color: var(--arutech-gray);
  font-size: 18px;
  margin-bottom: 36px;
}

/* POP-UP MODAL CONTACT FORM */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 24px;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--arutech-gradient-surface);
  border: 1px solid rgba(194, 150, 44, 0.48);
  border-radius: 26px;
  width: 100%;
  max-width: 600px;
  padding: 42px;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.95), 0 0 40px rgba(194, 150, 44, 0.22);
  transform: translateY(25px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.modal-backdrop.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 18px;
}

.modal-header h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--arutech-silver);
}

.modal-close {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--arutech-gray);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 18px;
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: #EF4444;
  color: #FCA5A5;
}

.form-group {
  margin-bottom: 22px;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--arutech-gray);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(14, 14, 18, 0.9);
  border: 1px solid rgba(226, 232, 240, 0.18);
  border-radius: 12px;
  padding: 14px 18px;
  color: var(--arutech-silver);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  transition: all 0.25s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--arutech-gold);
  box-shadow: 0 0 16px rgba(194, 150, 44, 0.22);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer & Social Media Integrations */
footer {
  border-top: 1px solid rgba(226, 232, 240, 0.1);
  padding: 60px 0 36px;
  background: #08080A;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-logo img {
  height: 48px;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  color: var(--arutech-gray);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--arutech-gold);
}

.footer-socials {
  display: flex;
  gap: 16px;
  align-items: center;
}

.social-icon {
  width: 44px;
  height: 44px;
  background: rgba(226, 232, 240, 0.05);
  border: 1px solid rgba(226, 232, 240, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--arutech-gray);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-icon:hover {
  background: rgba(194, 150, 44, 0.18);
  border-color: var(--arutech-gold);
  color: var(--arutech-gold);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(194, 150, 44, 0.28);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 28px;
  font-size: 13px;
  color: #64748B;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 42px; }
  .arch-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-cta-group { flex-direction: column; max-width: 320px; margin: 0 auto 50px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sim-stage { grid-template-columns: 1fr; gap: 20px; }
  .sim-packet-track { display: none; }
  .sim-metrics { grid-template-columns: 1fr; gap: 16px; }
  .footer-content { flex-direction: column; text-align: center; }
  .modal-content { padding: 28px; }
}