/* ==========================================
   AIRMEIZ - Main Stylesheet
   Dark, Elegant, Black-based Theme
   ========================================== */

/* ==========================================
   CSS VARIABLES
   ========================================== */
:root {
  /* Colors */
  --color-primary: #000000;
  --color-secondary: #1a1a1a;
  --color-accent: #00d4ff;
  --color-accent-hover: #00b8e6;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b0b0b0;
  --color-text-muted: #707070;
  --color-border: #2a2a2a;
  --color-overlay: rgba(0, 0, 0, 0.85);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Typography */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-xs: 0.875rem;
  --font-size-sm: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.5rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 3rem;
  --font-size-3xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  
  /* Layout */
  --header-height: 80px;
  --max-width: 1400px;
  --border-radius: 8px;
}

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

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

body {
  font-family: var(--font-family-primary);
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

/* RTL Support - Add [dir="rtl"] to html element when needed */
[dir="rtl"] {
  direction: rtl;
}

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

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

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

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

ul {
  list-style: none;
}

/* ==========================================
   UTILITIES
   ========================================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
  background-color: var(--color-text-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.logo .site-logo {
  max-height: 48px;
  max-width: 140px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.35));
}

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

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: 0.5rem 1rem;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle span {
  width: 28px;
  height: 3px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--header-height);
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  display: none;
}

@keyframes pulse {
  0%, 100% {
    opacity: 0.3;
  }
  50% {
    opacity: 0.6;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease-out;
}

.hero-logo {
  width: min(280px, 55vw);
  height: auto;
  display: block;
  margin: 0 auto var(--spacing-md);
  /* Symbol only – no background; transparent PNG shows page through */
  background: transparent;
}

.hero-logo-text {
  font-size: clamp(2.5rem, 10vw, 4rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  margin: 0 auto var(--spacing-md);
  text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-transform: uppercase;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  color: transparent;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1.5px #ffffff;
  paint-order: stroke fill;
}


.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================
   PROJECTS GRID
   ========================================== */
.projects {
  background-color: var(--color-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.project-tile {
  position: relative;
  background-color: var(--color-primary);
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
}

.project-tile:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border-color: var(--color-accent);
}

.project-tile-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-tile:hover .project-tile-image {
  transform: scale(1.05);
}

.project-tile-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, transparent 100%);
}

.project-tile-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.project-tile-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.project-tile-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-tile:hover .project-tile-overlay {
  opacity: 1;
}

.project-tile-overlay-content {
  text-align: center;
  padding: var(--spacing-md);
}

.project-tile-overlay-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.project-tile-overlay-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}


/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
  background-color: var(--color-primary);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
  background-color: var(--color-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.service-card {
  background-color: var(--color-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.service-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
}

.service-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.service-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ==========================================
   TEAM SECTION
   ========================================== */
.team {
  background-color: var(--color-primary);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.team-member {
  background-color: var(--color-secondary);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  text-align: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
}

.team-member:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.team-member-image {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  margin: 0 auto var(--spacing-md);
  background-color: var(--color-border);
  border: 3px solid var(--color-accent);
}

.team-member-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.team-member-role {
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.team-member-bio {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact {
  background-color: var(--color-secondary);
}

.contact-content {
  max-width: 700px;
  margin: 0 auto;
}

.contact-info {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.contact-email {
  font-size: var(--font-size-lg);
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

/* Placeholder for future contact form */
.contact-form {
  display: grid;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.form-input,
.form-textarea {
  padding: 1rem;
  background-color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

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

.form-submit {
  justify-self: start;
}

/* Note: Form submission will be implemented in future phase */

/* ==========================================
   FOOTER
   ========================================== */
.footer {
  background-color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

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

.footer-link:hover {
  color: var(--color-accent);
  padding-left: 5px;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  transition: all var(--transition-normal);
  font-size: var(--font-size-md);
}

.social-icon:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

/* ==========================================
   PROJECT DETAIL PAGE
   ========================================== */
.project-hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  position: relative;
}

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

.project-hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 900;
  margin-bottom: var(--spacing-md);
}

.project-hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: 0 auto;
}

.project-media {
  margin: var(--spacing-xl) 0;
  background-color: var(--color-secondary);
}

.project-media-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background-color: var(--color-border);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
  overflow: hidden;
}

.project-media-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.project-details {
  background-color: var(--color-primary);
}

.project-section {
  margin-bottom: var(--spacing-xl);
}

/* Collapsible accordion */
.project-accordion .project-section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: color var(--transition-fast);
}

.project-accordion .project-section-title:hover {
  color: var(--color-accent);
}

.project-accordion .accordion-icon {
  flex-shrink: 0;
  margin-left: var(--spacing-sm);
  font-size: 0.75em;
  transition: transform var(--transition-normal);
}

.project-accordion .project-section-title[aria-expanded="false"] .accordion-icon {
  transform: rotate(-90deg);
}

.project-accordion .project-section-content {
  overflow: hidden;
  max-height: 2000px;
  transition: max-height 0.3s ease;
}

.project-accordion .project-section-content.collapsed {
  max-height: 0;
  margin-bottom: 0;
}

.project-accordion .project-section-body {
  padding-top: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.project-section-sub {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Subcontent area - "More details" always visible for collapse option */

.project-section-sub-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.project-section-sub-trigger:hover {
  text-decoration: underline;
}

.project-section-sub-trigger .accordion-icon {
  transition: transform var(--transition-normal);
}

.project-section-sub-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(90deg);
}

.project-section-subcontent {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s ease;
}

.project-section-subcontent.expanded {
  max-height: 2000px;
}

.project-section-subcontent-inner {
  padding-top: var(--spacing-sm);
  padding-bottom: var(--spacing-md);
}

/* Base styles when not in accordion */
.project-section:not(.project-accordion) .project-section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.project-section-content,
.project-accordion .project-section-body {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  line-height: 1.8;
  max-width: 900px;
}

.project-feature-list {
  list-style: none;
  padding-left: 0;
}
.project-feature-list li {
  margin-bottom: var(--spacing-md);
  padding-left: 1.5rem;
  position: relative;
}
.project-feature-list li::before {
  content: '●';
  color: var(--color-accent);
  position: absolute;
  left: 0;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.tech-tag {
  padding: 0.5rem 1rem;
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--border-radius) * 2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.project-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
}

/* ==========================================
   LEGAL PAGES (Privacy, Terms)
   ========================================== */
.legal-page {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + var(--spacing-xl));
  padding-bottom: var(--spacing-xl);
  background-color: var(--color-secondary);
}

.legal-content {
  max-width: 900px;
  margin: 0 auto;
  background-color: var(--color-primary);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.legal-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.legal-section {
  margin-bottom: var(--spacing-lg);
}

.legal-section-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.legal-text {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

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

/* Tablet */
@media (max-width: 1024px) {
  :root {
    --font-size-3xl: 3rem;
    --font-size-2xl: 2.5rem;
  }
  
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --font-size-3xl: 2rem;
    --font-size-2xl: 1.75rem;
    --font-size-xl: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .header .container {
    padding: 0 var(--spacing-sm);
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    padding: var(--spacing-md);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    border-top: 1px solid var(--color-border);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    padding: var(--spacing-sm);
    width: 100%;
    text-align: center;
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-md);
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid,
  .team-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-links {
    align-items: center;
  }
  
  .footer-social {
    justify-content: center;
  }
  
  /* Disable hover effects on mobile */
  .project-tile:hover .project-tile-overlay {
    opacity: 0;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
}

/* ==========================================
   ANIMATIONS & TRANSITIONS
   ========================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Smooth scroll offset for fixed header */
section[id] {
  scroll-margin-top: calc(var(--header-height) + 20px);
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles */
*:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Scroll animation base classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}