/* ==========================================================================
   IT GURU GROUP INC. - DESIGN SYSTEM & STYLESHEET
   Theme: Intelligence-Infused Care (Cyber Obsidian & Bio-Electric Cyan)
   ========================================================================== */

/* Design Tokens & Variables */
:root {
  --color-obsidian: #0A0F1D;
  --color-obsidian-alt: #0F1628;
  --color-slate-50: #F8FAFC;
  --color-slate-200: #CBD5E1;
  --color-slate-400: #94A3B8;
  --color-slate-600: #64748B;

  --color-cyan: #00B8D9;
  --color-blue: #2563EB;
  --color-glow-cyan: rgba(0, 184, 217, 0.15);
  --color-glow-blue: rgba(37, 99, 235, 0.15);

  --gradient-primary: linear-gradient(135deg, #00B8D9 0%, #2563EB 100%);
  --gradient-primary-glow: linear-gradient(135deg, rgba(0, 184, 217, 0.2) 0%, rgba(37, 99, 235, 0.2) 100%);
  --gradient-dark: linear-gradient(180deg, rgba(10, 15, 29, 0.8) 0%, #0A0F1D 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.03) 100%);

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-display: 'Syncopate', sans-serif;

  --border-glass: 1px solid rgba(255, 255, 255, 0.08);
  --border-cyan: 1px solid rgba(0, 184, 217, 0.3);
  --border-blue: 1px solid rgba(37, 99, 235, 0.3);

  --shadow-neon: 0 8px 30px rgba(0, 184, 217, 0.2);
  --shadow-neon-large: 0 16px 40px rgba(0, 184, 217, 0.35);
  --shadow-glass: 0 10px 40px -10px rgba(0, 0, 0, 0.5);

  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 130px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-obsidian);
  color: var(--color-slate-200);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-obsidian);
}

::-webkit-scrollbar-thumb {
  background: var(--color-obsidian-alt);
  border: 2px solid var(--color-obsidian);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gradient-primary-glow);
}

/* Typography & Layout Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-slate-50);
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.container-narrow {
  max-width: 800px;
}

.section {
  padding: 8rem 0;
  position: relative;
  z-index: 10;
}

.bg-obsidian-alt {
  background-color: var(--color-obsidian-alt);
}

/* Ambient glow backgrounds */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(160px);
  z-index: 1;
  pointer-events: none;
  opacity: 0.18;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: var(--color-cyan);
  top: -200px;
  left: -200px;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: var(--color-blue);
  bottom: 20%;
  right: -100px;
}

.glow-3 {
  width: 400px;
  height: 400px;
  background: var(--color-cyan);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Badges & Text Styling */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: var(--border-glass);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  margin-bottom: 1.5rem;
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
  animation: pulse-ring 2s infinite;
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-alt {
  background: linear-gradient(135deg, #F8FAFC 30%, #4FACFE 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.selection-cyan ::selection {
  background: rgba(0, 242, 254, 0.2);
  color: var(--color-slate-50);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #050811;
  border: none;
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon-large);
  color: #000;
}

.btn-primary span {
  position: relative;
  z-index: 2;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-slate-50);
  border: var(--border-glass);
  backdrop-filter: blur(12px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-glow::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  animation: shine 5s infinite;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 130px;
  background: rgba(10, 15, 29, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: var(--border-glass);
  z-index: 100;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  height: 90px;
  background: rgba(10, 15, 29, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo-wrapper {
  height: 108px;
  display: flex;
  align-items: center;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.site-header.scrolled .logo-wrapper {
  height: 72px;
}

.brand-logo, .footer-logo {
  height: 100%;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-item {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-slate-400);
  position: relative;
  padding: 0.5rem 0;
}

.nav-item:hover, .nav-item.active {
  color: var(--color-slate-50);
}

.nav-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.mobile-toggle .bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-slate-200);
  transition: var(--transition-fast);
}

/* Hero Section with Split Scroll/Media Parallax Layout */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  padding-top: 130px;
  overflow: hidden;
  z-index: 15;
}

.particle-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

.hero-media-layer {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-banner-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: contrast(1.1) brightness(1.05) saturate(1.1);
  transform: scale(1.05);
}

.hero-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 70% 50%, transparent 0%, var(--color-obsidian) 72%);
  z-index: 2;
}

.hero-content-layer {
  position: relative;
  z-index: 5;
  pointer-events: auto;
}

.hero-content {
  max-width: 680px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  color: var(--color-slate-400);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 10;
  color: var(--color-slate-400);
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-slate-400);
  border-radius: 20px;
  position: relative;
}

.scroll-mouse .wheel {
  width: 4px;
  height: 8px;
  background-color: var(--color-cyan);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.6s infinite;
}

.scroll-text {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  opacity: 0.7;
}

/* Sections Header */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 5rem;
  z-index: 10;
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-slate-400);
}

/* Section B: Revolutionary Healthcare Suite (UnifiedHealthNet) */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 10;
}

.product-card {
  background: var(--gradient-glass);
  border: var(--border-glass);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.card-inner {
  position: relative;
  z-index: 3;
}

.product-icon-container {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  background: rgba(79, 172, 254, 0.08);
  border: var(--border-blue);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
  position: relative;
}

.product-icon-container.text-cyan {
  background: rgba(0, 242, 254, 0.08);
  border: var(--border-cyan);
  color: var(--color-cyan);
}

.product-svg-icon {
  width: 26px;
  height: 26px;
}

.icon-pulse {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 12px;
  border: 1px solid var(--color-blue);
  opacity: 0;
  animation: pulse-ring-large 3s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

.icon-pulse.pulse-cyan {
  border-color: var(--color-cyan);
}

.product-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.product-card-text {
  font-size: 0.925rem;
  color: var(--color-slate-400);
  margin-bottom: 1.75rem;
  line-height: 1.6;
}

.product-card-bullets {
  list-style: none;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-slate-200);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-card-bullets li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-card-bullets li::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background-color: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--color-cyan);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgba(0, 242, 254, 0.02) 50%, rgba(79, 172, 254, 0.05) 100%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 242, 254, 0.25);
  box-shadow: var(--shadow-glass), 0 10px 40px -10px rgba(0, 242, 254, 0.15);
}

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

/* Card Glow Reveal Styles */
.card-glow::after {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--color-glow-cyan) 0%, transparent 70%);
  top: var(--mouse-y, -150px);
  left: var(--mouse-x, -150px);
  transform: translate(-50%, -50%);
  opacity: 0;
  z-index: 1;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.card-glow:hover::after {
  opacity: 1;
}

/* Section C: Enterprise AI Grid */
.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
}

.enterprise-card {
  background: var(--color-obsidian);
  border: var(--border-glass);
  border-radius: 12px;
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.card-visual-element {
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, var(--color-blue), transparent);
  transition: var(--transition-smooth);
}

.card-visual-element.tag-cyan {
  background: linear-gradient(90deg, var(--color-cyan), transparent);
}

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

.enterprise-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.enterprise-description {
  font-size: 0.95rem;
  color: var(--color-slate-400);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.tech-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.tech-tag {
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.02);
  border: var(--border-glass);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  color: var(--color-slate-400);
}

.enterprise-card:hover {
  transform: scale(1.02);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-glass);
}

.enterprise-card:hover .card-visual-element {
  background: var(--gradient-primary);
}

/* Border mouse-tracking reveal effect */
.border-glow {
  position: relative;
}

.border-glow::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 13px;
  background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(0, 242, 254, 0.3) 0%, transparent 60%);
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.border-glow:hover::before {
  opacity: 1;
}

/* Section D: Tech Stack & Operational Assurance */
.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem;
  margin-bottom: 6rem;
}

.glass-panel {
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-glass);
  border-radius: 16px;
  padding: 3rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-glass);
}

.infra-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}

.infra-icon-circle {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(79, 172, 254, 0.1);
  border: var(--border-blue);
  color: var(--color-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.infra-icon-circle.bg-cyan {
  background: rgba(0, 242, 254, 0.1);
  border: var(--border-cyan);
  color: var(--color-cyan);
}

.infra-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.status-indicator {
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--color-slate-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.status-indicator .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-cyan);
  box-shadow: 0 0 6px var(--color-cyan);
}

.infra-text {
  font-size: 0.95rem;
  color: var(--color-slate-400);
  line-height: 1.7;
}

/* Horizontal Interactive Timeline */
.timeline-container {
  position: relative;
  z-index: 10;
}

.timeline-main-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 4rem;
  text-transform: uppercase;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
}

.timeline-track {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.08);
  top: 140px;
  z-index: 1;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
  z-index: 2;
}

.timeline-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.timeline-dot {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-obsidian-alt);
  border: 2px solid rgba(15, 23, 42, 0.08);
  color: var(--color-slate-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 2rem;
  cursor: pointer;
  position: relative;
  z-index: 3;
  transition: var(--transition-smooth);
}

.timeline-item.active .timeline-dot {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
  color: #050811;
  box-shadow: 0 0 20px var(--color-cyan);
}

.timeline-card {
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-glass);
  border-radius: 12px;
  padding: 1.5rem;
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: var(--transition-smooth);
}

.timeline-step-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.timeline-step-desc {
  font-size: 0.825rem;
  color: var(--color-slate-400);
  line-height: 1.5;
}

.timeline-item.active .timeline-card {
  border-color: rgba(0, 242, 254, 0.2);
  background: rgba(0, 242, 254, 0.02);
}

.timeline-dot:hover {
  border-color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.5);
  transform: scale(1.1);
}

/* Consultation Form Section */
.consult-form {
  margin-top: 3rem;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.about-card {
  background: rgba(255, 255, 255, 0.04);
  border: var(--border-glass);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.about-card h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
}

.about-card p {
  color: var(--color-slate-400);
  line-height: 1.75;
}

.contact-panel {
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-glass);
  border-radius: 18px;
  padding: 2.5rem;
  box-shadow: var(--shadow-glass);
}

.contact-copy {
  font-size: 1rem;
  color: var(--color-slate-300);
  margin-bottom: 1.75rem;
  line-height: 1.8;
}

.contact-list {
  list-style: none;
  display: grid;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--color-slate-200);
}

.contact-list a {
  color: var(--color-cyan);
}

.contact-list strong {
  color: var(--color-slate-50);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.75rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-400);
  margin-bottom: 0.75rem;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.06);
  border: var(--border-glass);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.925rem;
  color: var(--color-slate-50);
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-cyan);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 184, 217, 0.12);
}

textarea.form-control {
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23CBD5E1'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.25rem center;
  background-size: 1.25rem;
  padding-right: 3rem;
}

.form-feedback-message {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
  text-align: center;
}

.form-feedback-message.success {
  display: block;
  background: rgba(0, 242, 254, 0.05);
  border: 1px solid rgba(0, 242, 254, 0.2);
  color: var(--color-cyan);
}

/* Footer */
.site-footer {
  background: var(--color-obsidian);
  border-top: var(--border-glass);
  padding: 6rem 0 3rem;
  z-index: 10;
  position: relative;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  height: 100px;
  margin-bottom: 1.5rem;
  object-fit: contain;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--color-slate-400);
  line-height: 1.6;
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-heading {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-slate-50);
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.875rem;
  color: var(--color-slate-400);
}

.footer-links a:hover {
  color: var(--color-cyan);
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.copyright-text {
  font-size: 0.8rem;
  color: var(--color-slate-600);
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
  font-size: 0.8rem;
  color: var(--color-slate-600);
}

.footer-bottom-links a:hover {
  color: var(--color-slate-400);
}

/* Animations Definitions */
@keyframes shine {
  0% { left: -50%; }
  100% { left: 150%; }
}

@keyframes scroll-wheel {
  0% { opacity: 0; top: 6px; }
  20% { opacity: 1; }
  80% { opacity: 0; top: 22px; }
  100% { opacity: 0; top: 22px; }
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 242, 254, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 242, 254, 0); }
}

@keyframes pulse-ring-large {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { opacity: 0.2; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* Native CSS Scroll-Driven Animations */
@supports ((animation-timeline: view()) and (animation-range: entry)) {
  
  /* Hero Banner Parallax Drift */
  @keyframes hero-bg-drift {
    from {
      transform: translateY(0) scale(1.05);
    }
    to {
      transform: translateY(120px) scale(1.15);
    }
  }

  .hero-banner-image {
    animation: hero-bg-drift linear both;
    animation-timeline: scroll();
    animation-range: exit 0% exit 100%;
  }

  /* Hero Content Fading and Parallax */
  @keyframes hero-content-fade {
    to {
      opacity: 0;
      transform: translateY(-80px);
    }
  }

  .hero-content {
    animation: hero-content-fade linear both;
    animation-timeline: scroll();
    animation-range: exit 0% exit 80%;
  }
}

/* Scroll reveal system for elements scrolling into viewport */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .timeline-track {
    display: none;
  }
  
  .timeline-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .timeline-item {
    flex-direction: row;
    align-items: flex-start;
    text-align: left;
    gap: 1.5rem;
  }
  
  .timeline-dot {
    margin-bottom: 0;
    flex-shrink: 0;
  }
  
  .timeline-card {
    width: 100%;
    min-height: auto;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 5rem 0;
  }
  
  .mobile-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 130px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-obsidian);
    padding: 3rem 2rem;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    border-top: var(--border-glass);
    transform: translateY(100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    z-index: 99;
  }

  .site-header.scrolled .nav-menu {
    top: 90px;
  }
  
  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-list {
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
  }
  
  .nav-item {
    font-size: 1.25rem;
  }
  
  .header-actions .nav-cta {
    display: none;
  }
  
  .nav-menu.open ~ .header-actions .nav-cta {
    display: inline-flex;
    margin-top: 2rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer-links-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* User preference: prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-banner-image, .hero-content, .scroll-reveal, .product-card, .enterprise-card, .timeline-dot, .timeline-card {
    animation: none !important;
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}