/* ===================================
   VULNEX AI - Light Green Theme
   Complete CSS for Cyber Green Design
   =================================== */

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

/* ROOT VARIABLES */
:root {
  /* Colors */
  --color-bg: #fafcfa;
  --color-card-bg: #ffffff;
  --color-card-hover: #f4faf5;
  --color-border: #e2e8e4;
  --color-accent-border: rgba(0, 140, 60, 0.2);
  --color-accent: #008c3c;
  --color-accent-bright: #00a854;
  --color-accent-light: #00c853;
  --color-text-primary: #1a2e1a;
  --color-text-secondary: #4a5a4a;
  --color-text-muted: #7a8a7a;
  --color-header-bg: rgba(250, 252, 250, 0.9);
  --color-footer-bg: #f0f4f0;
  --color-mobile-nav-bg: rgba(250, 252, 250, 0.97);
  --color-grid-pattern: rgba(0, 140, 60, 0.03);
  --color-radial-1: rgba(0, 200, 83, 0.04);
  --color-radial-2: rgba(0, 140, 60, 0.03);
  --color-form-shadow: rgba(0, 140, 60, 0.1);
  --color-card-hover-shadow: rgba(0, 140, 60, 0.08);
  --color-button-shadow: rgba(0, 140, 60, 0.2);

  /* Gradients */
  --gradient-accent: linear-gradient(135deg, #008c3c, #00a854, #00c853);
  --gradient-subtle: linear-gradient(135deg, rgba(0, 168, 84, 0.08), rgba(0, 200, 83, 0.08));

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Line Heights */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 300ms ease-in-out;
  --transition-slow: 500ms ease-in-out;
}

/* RESET & BASE STYLES */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 50%, var(--color-radial-1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, var(--color-radial-2) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: var(--font-size-5xl);
}

h2 {
  font-size: var(--font-size-4xl);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--color-accent-bright);
}

/* GRADIENT TEXT */
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* CONTAINERS & LAYOUT */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* GRID BACKGROUND */
.grid-bg {
  background-image:
    linear-gradient(
      0deg,
      var(--color-grid-pattern) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      var(--color-grid-pattern) 1px,
      transparent 1px
    );
  background-size: 40px 40px;
}

/* HEADER */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 72px;
  background: var(--color-header-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.header-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo-text {
  color: var(--color-accent);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--color-accent);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 700;
}

/* MAIN NAVIGATION */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.main-nav a {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-accent);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 24px;
  height: 24px;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(10px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-10px);
}

/* HERO SECTION */
.hero {
  padding-top: calc(72px + 4rem);
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: var(--gradient-subtle);
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
}

.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: var(--gradient-accent);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.1;
  z-index: -1;
}

.hero-glow:nth-child(2) {
  top: 30%;
  right: 10%;
}

.hero-glow:nth-child(3) {
  bottom: 0;
  left: 20%;
  width: 300px;
  height: 300px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-accent-border);
  border-radius: 50px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  animation: fadeInDown 0.6s ease-out;
}

.hero-tag .dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero h1 {
  font-size: var(--font-size-5xl);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  max-width: 800px;
  animation: fadeInDown 0.6s ease-out 0.1s both;
}

.hero p {
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-secondary);
  animation: fadeInDown 0.6s ease-out 0.2s both;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  animation: fadeInDown 0.6s ease-out 0.3s both;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 15px var(--color-button-shadow);
}

.btn--primary:hover {
  box-shadow: 0 6px 20px var(--color-button-shadow);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-primary);
}

.btn--outline:hover {
  background: rgba(0, 140, 60, 0.04);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text-primary);
}

.btn--glass:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--color-accent);
}

/* SECTIONS */
.section {
  padding: var(--spacing-2xl) 0;
}

.section--bordered {
  border-top: 1px solid var(--color-border);
}

.section-header {
  margin-bottom: var(--spacing-2xl);
  text-align: center;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-header .overline {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
}

.section-header h2 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.section-header p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* CARD GRID */
.card-grid {
  display: grid;
  gap: var(--spacing-lg);
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* GLASS CARD */
.glass-card {
  position: relative;
  padding: var(--spacing-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.glass-card:hover {
  background: var(--color-card-hover);
  border-color: var(--color-accent-border);
  box-shadow: 0 8px 24px var(--color-card-hover-shadow);
  transform: translateY(-4px);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-subtle);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-2xl);
}

.glass-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.glass-card p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.card-link:hover {
  color: var(--color-accent-bright);
  transform: translateX(4px);
}

/* STATS BAR */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: var(--spacing-xl) 0;
}

.stat-item {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* SERVICE LIST */
.service-list {
  list-style: none;
}

.service-item {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.service-item:hover {
  border-color: var(--color-accent-border);
  box-shadow: 0 8px 24px var(--color-card-hover-shadow);
}

.service-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  color: white;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.service-item h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.service-item p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* PRODUCT HERO */
.product-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  padding: var(--spacing-2xl) 0;
}

.product-hero-content h2 {
  margin-bottom: var(--spacing-md);
}

.product-hero-content p {
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.product-visual {
  background: var(--gradient-subtle);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* FEATURE LIST */
.feature-list {
  list-style: none;
}

.feature-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.feature-item:hover {
  border-color: var(--color-accent-border);
  background: var(--color-card-hover);
}

.feature-check {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-xs);
}

.feature-item h4 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
}

.feature-item p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* PAGE HEADER */
.page-header {
  padding: calc(72px + 2rem) 0 2rem;
  text-align: center;
}

.page-header .overline {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
}

.page-header h1 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.page-header p {
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
  margin-bottom: 0;
}

/* CTA SECTION */
.cta-section {
  padding: var(--spacing-2xl);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 600px;
  height: 600px;
  background: var(--gradient-subtle);
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
}

.cta-box {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 50%;
  margin-bottom: var(--spacing-lg);
}

.cta-box h2 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.cta-box p {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
}

.contact-info-card {
  padding: var(--spacing-lg);
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.contact-info-card:hover {
  background: var(--color-card-hover);
  border-color: var(--color-accent-border);
  box-shadow: 0 8px 24px var(--color-card-hover-shadow);
  transform: translateY(-4px);
}

.contact-info-card h3 {
  margin-bottom: var(--spacing-sm);
}

.contact-info-card p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

.contact-info-card a {
  display: block;
  margin-top: var(--spacing-sm);
  font-weight: 600;
}

/* FORMS */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-form-shadow);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* FOOTER */
.site-footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-col h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--spacing-sm);
}

.footer-col a {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* TABLET (1024px and below) */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  h1 {
    font-size: var(--font-size-4xl);
  }

  h2 {
    font-size: var(--font-size-3xl);
  }

  h3 {
    font-size: var(--font-size-2xl);
  }

  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .product-hero {
    grid-template-columns: 1fr;
  }

  .product-visual {
    order: -1;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* MOBILE (768px and below) */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active + .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--color-mobile-nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-lg);
  }

  .main-nav ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .main-nav a {
    display: block;
    padding: var(--spacing-xs) 0;
  }

  .main-nav a.active::after {
    display: none;
  }

  .hero {
    padding-top: calc(72px + 2rem);
    padding-bottom: 2rem;
  }

  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero p {
    font-size: var(--font-size-base);
  }

  .hero-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .btn {
    width: 100%;
  }

  .card-grid--3,
  .card-grid--4 {
    grid-template-columns: 1fr;
  }

  .stats-bar {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .service-item {
    gap: var(--spacing-md);
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

/* SMALL MOBILE (480px and below) */
@media (max-width: 480px) {
  :root {
    --font-size-5xl: 2.25rem;
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .hero-tag {
    flex-direction: column;
  }

  .hero h1 {
    font-size: var(--font-size-2xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

  h3 {
    font-size: var(--font-size-xl);
  }

  .card-grid {
    gap: var(--spacing-md);
  }

  .glass-card {
    padding: var(--spacing-md);
  }

  .service-item {
    flex-direction: column;
    text-align: center;
  }

  .service-number {
    margin: 0 auto;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .cta-section {
    padding: var(--spacing-lg);
  }

  .contact-grid {
    gap: var(--spacing-md);
  }

  .contact-info-card {
    padding: var(--spacing-md);
  }

  .footer-col {
    text-align: center;
  }

  .social-links {
    justify-content: center;
  }
}

/* UTILITY CLASSES */
.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mb-0 {
  margin-bottom: 0;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.hidden {
  display: none;
}

.invisible {
  visibility: hidden;
}

.inline-block {
  display: inline-block;
}

.flex {
  display: flex;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

.border {
  border: 1px solid var(--color-border);
}

.rounded {
  border-radius: var(--radius-lg);
}

.cursor-pointer {
  cursor: pointer;
}