/* ============================================
   TECHMEN.AI - ZEN UI DESIGN SYSTEM
   Simplicity First. Beautiful by Default.
   ============================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
  /* Brand Colors */
  --orange: #ffa345;
  --orange-light: #ffb86c;
  --orange-dark: #e8923d;
  --purple: #472151;
  --purple-light: #5a2a66;
  --purple-dark: #2d1534;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e5e5e5;
  --gray-300: #d4d4d4;
  --gray-400: #a3a3a3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  --black: #0a0a0a;

  /* Semantic */
  --text-primary: var(--gray-900);
  --text-secondary: var(--gray-600);
  --text-muted: var(--gray-400);
  --text-inverse: var(--white);

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  --text-7xl: 4.5rem;

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Borders & Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 40px rgba(255, 163, 69, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--white);
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--purple) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Layout Components --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

.container-wide {
  max-width: var(--max-width-wide);
}

.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-32) 0;
}

/* --- Grid System --- */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  .section { padding: var(--space-16) 0; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.btn-primary {
  background: var(--orange);
  color: var(--purple-dark);
}

.btn-primary:hover {
  background: var(--orange-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--purple);
  border: 2px solid var(--purple);
}

.btn-secondary:hover {
  background: var(--purple);
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: var(--gray-100);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* --- Cards --- */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-dark {
  background: var(--purple);
  border-color: var(--purple-light);
  color: var(--white);
}

.card-dark p {
  color: rgba(255, 255, 255, 0.8);
}

.card-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-brand {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--purple);
}

.nav-brand .typing-text {
  color: var(--orange);
  position: relative;
}

.nav-brand .cursor {
  display: inline-block;
  width: 2px;
  height: 1.1em;
  background: var(--orange);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: cursorBlink 0.7s step-end infinite;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

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

.nav-link:hover {
  color: var(--orange);
}

.nav-cta {
  margin-left: var(--space-4);
}

/* Mobile Nav */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--purple);
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-mobile {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    padding: var(--space-8);
    display: none;
  }

  .nav-mobile.active {
    display: block;
  }

  .nav-mobile a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--text-lg);
    border-bottom: 1px solid var(--gray-200);
  }
}


/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple) 50%, var(--purple-light) 100%);
  color: var(--white);
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
  z-index: 1;
}

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

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(circle, rgba(255, 163, 69, 0.1) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

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

.hero-tagline {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 163, 69, 0.2);
  border: 1px solid rgba(255, 163, 69, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--orange);
  margin-bottom: var(--space-6);
}

.hero h1 {
  font-size: var(--text-7xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  max-width: 800px;
}

.hero h1 span {
  color: var(--orange);
}

.hero-description {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin-bottom: var(--space-10);
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero .btn-primary {
  background: var(--orange);
  color: var(--purple-dark);
}

.hero .btn-secondary {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: var(--text-4xl);
  }

  .hero-description {
    font-size: var(--text-lg);
  }
}

/* --- Section Headers --- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--text-lg);
}

/* --- Service Cards --- */
.service-card {
  text-align: center;
  padding: var(--space-10);
}

.service-icon {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-light) 100%);
  border-radius: var(--radius-xl);
  margin: 0 auto var(--space-6);
  position: relative;
  box-shadow: 0 8px 24px rgba(71, 33, 81, 0.3);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.service-icon svg {
  width: 36px;
  height: 36px;
  color: var(--white);
  stroke-width: 1.5;
}

.service-card:hover .service-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 12px 32px rgba(71, 33, 81, 0.4);
}

a.service-card {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

a.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

a.service-card h3 {
  transition: color var(--transition-base);
}

a.service-card:hover h3 {
  color: var(--purple);
}

.service-features {
  margin-top: var(--space-4);
  text-align: left;
  list-style: none;
  padding: 0;
}

.service-features li {
  color: var(--text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  padding-left: 1.5rem;
  position: relative;
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--orange);
  font-weight: 600;
}

.service-card h3 {
  margin-bottom: var(--space-3);
}

/* --- Stats Section --- */
.stats {
  background: var(--gray-50);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}

.stat-number {
  font-size: var(--text-5xl);
  font-weight: 700;
  color: var(--purple);
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Testimonials --- */
.testimonial-card {
  padding: var(--space-10);
}

.testimonial-text {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
  line-height: var(--leading-relaxed);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--purple);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-weight: 600;
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: var(--text-sm);
  color: var(--text-muted);
}


/* --- CTA Section --- */
.cta {
  background: linear-gradient(135deg, var(--purple-dark) 0%, var(--purple) 100%);
  color: var(--white);
  text-align: center;
}

.cta h2 {
  margin-bottom: var(--space-4);
}

.cta p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  font-size: var(--text-lg);
}

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: var(--white);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.footer-brand span {
  color: var(--orange);
}

.footer-description {
  color: var(--gray-400);
  font-size: var(--text-sm);
  max-width: 300px;
}

.footer-title {
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
  color: var(--gray-400);
}

.footer-links a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--gray-300);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-800);
  border-radius: var(--radius-lg);
  color: var(--gray-400);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--orange);
  color: var(--purple-dark);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* --- Blog Cards --- */
.blog-card {
  overflow: hidden;
  padding: 0;
}

.blog-card-image {
  height: 200px;
  background: linear-gradient(135deg, var(--purple) 0%, var(--purple-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
}

.blog-card-content {
  padding: var(--space-6);
}

.blog-card-meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.blog-card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.blog-card h3 a {
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.blog-card h3 a:hover {
  color: var(--orange);
}

/* --- Case Study Cards --- */
a.case-card {
  display: block;
  overflow: hidden;
  padding: 0;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

a.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

a.case-card h3 {
  color: var(--gray-900);
  transition: color var(--transition-base);
}

a.case-card:hover h3 {
  color: var(--orange);
}

.case-card-image {
  height: 240px;
  background: linear-gradient(135deg, var(--purple) 0%, var(--orange) 100%);
  background-size: cover;
  background-position: center;
  position: relative;
  transition: transform var(--transition-base);
}

a.case-card:hover .case-card-image {
  transform: scale(1.05);
}

a.case-card {
  overflow: hidden;
}

.case-card-client {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  background: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--purple);
}

.case-card-content {
  padding: var(--space-6);
}

.case-card h3 {
  margin-bottom: var(--space-3);
}

.case-card-results {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
  flex-wrap: wrap;
}

.case-result {
  font-size: var(--text-sm);
  color: var(--orange);
  font-weight: 500;
}

/* --- About Page --- */
.about-hero {
  background: var(--gray-50);
  padding: var(--space-32) 0;
  text-align: center;
}

.about-hero h1 {
  margin-bottom: var(--space-6);
}

.about-hero p {
  font-size: var(--text-xl);
  max-width: 700px;
  margin: 0 auto;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.value-card {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-8);
}

.value-number {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

@media (max-width: 768px) {
  .values-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.contact-info h2 {
  margin-bottom: var(--space-6);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.contact-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.contact-value {
  font-weight: 500;
  color: var(--text-primary);
}

/* --- Forms --- */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-4);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(255, 163, 69, 0.2);
}

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

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Article/Single Page --- */
.article {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  padding: var(--space-32) var(--space-6);
}

.article-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.article-meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

.article-title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-6);
}

.article-content {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

.article-content h2 {
  margin-top: var(--space-12);
  margin-bottom: var(--space-6);
}

.article-content h3 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.article-content p {
  margin-bottom: var(--space-6);
  color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.article-content li {
  margin-bottom: var(--space-2);
  color: var(--text-secondary);
}

.article-content ul li {
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

.article-content blockquote {
  border-left: 4px solid var(--orange);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  font-style: italic;
  color: var(--text-secondary);
}

.article-content code {
  background: var(--gray-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.article-content pre {
  background: var(--gray-900);
  color: var(--gray-100);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-bottom: var(--space-6);
}

.article-content pre code {
  background: none;
  padding: 0;
}

/* --- Utilities --- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mb-16 { margin-bottom: var(--space-16); }

.hidden { display: none; }

@media (max-width: 768px) {
  .hide-mobile { display: none; }
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* --- Scroll Reveal Animations --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

[data-reveal-stagger].revealed > *:nth-child(1) { transition-delay: 0s; }
[data-reveal-stagger].revealed > *:nth-child(2) { transition-delay: 0.1s; }
[data-reveal-stagger].revealed > *:nth-child(3) { transition-delay: 0.2s; }
[data-reveal-stagger].revealed > *:nth-child(4) { transition-delay: 0.3s; }
[data-reveal-stagger].revealed > *:nth-child(5) { transition-delay: 0.4s; }
[data-reveal-stagger].revealed > *:nth-child(6) { transition-delay: 0.5s; }

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Hero entrance animation */
.hero-content > * {
  opacity: 0;
  transform: translateY(20px);
  animation: heroEntrance 0.7s ease forwards;
}

.hero-content > *:nth-child(1) { animation-delay: 0.1s; }
.hero-content > *:nth-child(2) { animation-delay: 0.2s; }
.hero-content > *:nth-child(3) { animation-delay: 0.3s; }
.hero-content > *:nth-child(4) { animation-delay: 0.4s; }

@keyframes heroEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Button hover enhancements */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 163, 69, 0.4);
}

.btn-secondary:hover {
  transform: translateY(-2px);
}

/* Card hover lift */
.card {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
}

/* Section heading animation */
.section-header {
  position: relative;
}

.section-header::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--purple));
  margin: var(--space-4) auto 0;
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform 0.5s ease;
}

.section-header.revealed::after {
  transform: scaleX(1);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal-stagger] > *,
  .hero-content > *,
  .btn::after {
    transition: none;
    animation: none;
    opacity: 1;
    transform: none;
  }
}