/* ============================================
   CSS Variables & Theme System
   Minimal Modern with Glassmorphism - Red Accent
   ============================================ */
:root {
  /* Light theme (default) */
  --color-bg: #fafafa;
  --color-bg-secondary: rgba(255, 255, 255, 0.7);
  --color-bg-tertiary: rgba(255, 255, 255, 0.5);
  --color-text: #1a1a1a;
  --color-text-secondary: #525252;
  --color-text-muted: #a3a3a3;
  --color-primary: #dc2626;
  --color-primary-hover: #b91c1c;
  --color-primary-light: rgba(220, 38, 38, 0.1);
  --color-accent: #ef4444;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-card-bg: rgba(255, 255, 255, 0.6);
  --color-card-shadow: rgba(0, 0, 0, 0.04);
  --color-overlay: rgba(0, 0, 0, 0.4);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --glass-blur: blur(12px);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography */
  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", monospace;
  --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: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;

  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px 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);

  /* Layout */
  --container-max: 1200px;
  --header-height: 64px;
}

/* Dark theme */
[data-theme="dark"] {
  --color-bg: #0a0a0a;
  --color-bg-secondary: rgba(23, 23, 23, 0.8);
  --color-bg-tertiary: rgba(38, 38, 38, 0.6);
  --color-text: #fafafa;
  --color-text-secondary: #a3a3a3;
  --color-text-muted: #525252;
  --color-primary: #ef4444;
  --color-primary-hover: #f87171;
  --color-primary-light: rgba(239, 68, 68, 0.15);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-card-bg: rgba(23, 23, 23, 0.6);
  --color-card-shadow: rgba(0, 0, 0, 0.3);
  --color-overlay: rgba(0, 0, 0, 0.7);

  /* Glassmorphism Dark */
  --glass-bg: rgba(23, 23, 23, 0.7);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

main {
  flex: 1;
  padding-top: var(--header-height);
}

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

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

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

ul,
ol {
  list-style: none;
}

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

input,
textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ============================================
   Typography
   ============================================ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-base);
}

p {
  margin-bottom: var(--space-md);
}

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

.text-small {
  font-size: var(--font-size-sm);
}

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

/* ============================================
   Layout & Container
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

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

.section-header p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

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

.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(3, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Flex utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

.gap-sm {
  gap: var(--space-sm);
}
.gap-md {
  gap: var(--space-md);
}
.gap-lg {
  gap: var(--space-lg);
}

/* ============================================
   Header & Navigation - Glassmorphism
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

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

.logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
}

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

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

.nav-links {
  display: flex;
  gap: var(--space-md);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

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

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  z-index: 1001;
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  padding: 10px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.mobile-menu-btn:hover {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}

.mobile-menu-btn.active {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
}

.mobile-menu-btn.active span {
  background: var(--color-primary);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Tablet breakpoint */
@media (max-width: 1024px) {
  .nav-links {
    gap: var(--space-xs);
  }

  .nav-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
  }
}

/* Mobile breakpoint */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex !important;
    background: #ffffff;
    border: 2px solid #e5e5e5;
  }

  .mobile-menu-btn span {
    background: #1a1a1a;
  }

  [data-theme="dark"] .mobile-menu-btn {
    background: #1a1a1a;
    border-color: #333333;
  }

  [data-theme="dark"] .mobile-menu-btn span {
    background: #ffffff;
  }

  .nav {
    gap: var(--space-sm);
    position: relative;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: #ffffff;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 8px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border: 1px solid #e5e5e5;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 999;
  }

  [data-theme="dark"] .nav-links {
    background: #1a1a1a;
    border-color: #333333;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }

  .nav-links.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-links li {
    width: 100%;
  }

  .nav-link {
    display: block;
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: 8px;
    color: #1a1a1a;
    background: transparent;
    border: none;
  }

  [data-theme="dark"] .nav-link {
    color: #ffffff;
    background: transparent;
  }

  .nav-link:hover,
  .nav-link.active {
    background: #f5f5f5;
    color: var(--color-primary);
  }

  [data-theme="dark"] .nav-link:hover,
  [data-theme="dark"] .nav-link.active {
    background: #262626;
  }

  /* No need to prevent scroll for dropdown */
  body.menu-open {
    overflow: hidden;
  }
}

/* ============================================
   Footer - Glassmorphism
   ============================================ */
.footer {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  padding: var(--space-2xl) 0;
  margin-top: auto;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-2xl);
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  max-width: 300px;
  font-size: var(--font-size-sm);
}

.footer-links h4,
.footer-social h4 {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
}

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

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

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

.social-links {
  display: flex;
  gap: var(--space-sm);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

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

  .footer-brand p {
    max-width: 100%;
  }

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

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

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

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

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-text-muted);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

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

.btn-ghost:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-size-base);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-size-xs);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
}

.btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   Cards - Glassmorphism
   ============================================ */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.card-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-secondary);
}

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

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

.card-body {
  padding: var(--space-lg);
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-md);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

/* Project Card */
.project-card {
  cursor: pointer;
}

.project-card .card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}

/* Creative Card */
.creative-card {
  cursor: pointer;
}

.creative-card .card-image {
  aspect-ratio: 1;
}

/* Category Card */
.category-card {
  text-align: center;
  padding: var(--space-2xl);
}

.category-card .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.category-card .icon svg {
  width: 32px;
  height: 32px;
}

.category-card h3 {
  margin-bottom: var(--space-sm);
}

.category-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================
   Badges & Tags
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge-success {
  background: #d1fae5;
  color: #059669;
}

.badge-warning {
  background: #fef3c7;
  color: #d97706;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.tag:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.tag.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ============================================
   Forms & Inputs
   ============================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

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

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

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

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

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

/* Search Input */
.search-input-wrapper {
  position: relative;
}

.search-input-wrapper svg {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
}

.search-input {
  padding-left: calc(var(--space-md) * 2 + 18px);
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-card-bg);
  border-radius: var(--radius-xl);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: scale(1);
}

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

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

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--space-lg);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* Lightbox Modal */
.lightbox-modal .modal {
  max-width: 90vw;
  background: transparent;
}

.lightbox-modal .modal-body {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-modal img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: var(--color-card-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.lightbox-nav:hover {
  background: var(--color-primary);
  color: white;
}

.lightbox-prev {
  left: var(--space-lg);
}
.lightbox-next {
  right: var(--space-lg);
}

.lightbox-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  width: 48px;
  height: 48px;
  background: var(--color-card-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  animation: slideIn var(--transition-base) ease;
}

.toast.success {
  border-left: 3px solid var(--color-success);
}

.toast.error {
  border-left: 3px solid var(--color-error);
}

.toast-icon {
  width: 20px;
  height: 20px;
}

.toast.success .toast-icon {
  color: var(--color-success);
}

.toast.error .toast-icon {
  color: var(--color-error);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ============================================
   Hero Section - Modern with Profile Picture
   ============================================ */
.hero {
  padding: var(--space-3xl) 0;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-profile {
  width: 300px;
  height: 300px;
  margin: 0 auto var(--space-xl);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 3px solid var(--color-primary);
  box-shadow:
    0 0 0 4px var(--color-primary-light),
    var(--shadow-lg);
}

.hero-profile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-xs);
  background: linear-gradient(
    135deg,
    var(--color-text) 0%,
    var(--color-primary) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .dev-name {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.hero .tagline {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

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

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: var(--space-2xl) 0;
  }

  .hero-profile {
    width: 120px;
    height: 120px;
  }

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

  .hero .dev-name {
    font-size: var(--font-size-lg);
  }

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

/* ============================================
   Skills Section
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  min-height: 150px; /* Ensures coming-soon overlay has space to display */
}

.skill-category h4 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ============================================
   Coming Soon Overlay
   To remove: Delete this section and remove
   .coming-soon-wrapper and .coming-soon-overlay
   from HTML
   ============================================ */
.coming-soon-wrapper {
  position: relative;
}

.coming-soon-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  z-index: 10;
}

.coming-soon-badge {
  padding: var(--space-md) var(--space-xl);
  background: var(--color-primary);
  color: white;
  font-size: var(--font-size-lg);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: var(--shadow-lg);
}

/* ============================================
   Now Section / Preview
   ============================================ */
.now-preview {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
}

.now-preview .label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.now-preview p {
  font-size: var(--font-size-lg);
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

/* Now Page */
.now-section {
  margin-bottom: var(--space-2xl);
}

.now-section h3 {
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.now-section h3 svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.now-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.now-list li {
  padding: var(--space-md);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
}

/* ============================================
   Timeline (Achievements)
   ============================================ */
.timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-xl);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--space-2xl) + 2px);
  top: 4px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg);
}

.timeline-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.timeline-content {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.timeline-content h4 {
  margin-bottom: var(--space-xs);
}

.timeline-content .issuer {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.timeline-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* ============================================
   Filter & Search Bar
   ============================================ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  padding: var(--space-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
}

.filter-bar .search-input-wrapper {
  flex: 1;
  min-width: 200px;
}

.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

.filter-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-right: var(--space-sm);
}

/* ============================================
   Project Details Page
   ============================================ */
.project-header {
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.project-header h1 {
  margin-bottom: var(--space-md);
}

.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.project-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.project-meta-item svg {
  width: 16px;
  height: 16px;
}

.project-links {
  display: flex;
  gap: var(--space-md);
}

.project-content {
  padding: var(--space-2xl) 0;
}

.project-section {
  margin-bottom: var(--space-2xl);
}

.project-section h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.project-section ul {
  list-style: disc;
  padding-left: var(--space-xl);
}

.project-section li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

/* Project Gallery */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  aspect-ratio: 16/10;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-item:hover::after {
  opacity: 0.3;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
}

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

  .contact-form {
    padding: var(--space-lg);
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}

.contact-item .icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-item .icon svg {
  width: 24px;
  height: 24px;
}

.contact-item h4 {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.contact-item p,
.contact-item a {
  color: var(--color-text);
}

.contact-form {
  background: var(--color-bg-secondary);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
}

/* ============================================
   About Page
   ============================================ */
.about-hero {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.about-image {
  width: 300px;
  height: 300px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content h1 {
  margin-bottom: var(--space-md);
}

.about-content .tagline {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.about-content p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
}

/* ============================================
   404 Page
   ============================================ */
.error-page {
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-content h1 {
  font-size: 8rem;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-md);
}

.error-content h2 {
  margin-bottom: var(--space-md);
}

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

/* ============================================
   Loading States
   ============================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-secondary) 25%,
    var(--color-bg-tertiary) 50%,
    var(--color-bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-text {
  height: 1em;
  margin-bottom: var(--space-sm);
}

.skeleton-title {
  height: 1.5em;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton-image {
  aspect-ratio: 16/10;
}

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

.hidden {
  display: none !important;
}

.visible {
  visibility: visible !important;
}

.invisible {
  visibility: hidden !important;
}

.mt-sm {
  margin-top: var(--space-sm);
}
.mt-md {
  margin-top: var(--space-md);
}
.mt-lg {
  margin-top: var(--space-lg);
}
.mt-xl {
  margin-top: var(--space-xl);
}

.mb-sm {
  margin-bottom: var(--space-sm);
}
.mb-md {
  margin-bottom: var(--space-md);
}
.mb-lg {
  margin-bottom: var(--space-lg);
}
.mb-xl {
  margin-bottom: var(--space-xl);
}

/* Page Transition */
.page-content {
  animation: fadeIn var(--transition-base) ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Album Section for Photography */
.album-section {
  margin-bottom: var(--space-2xl);
}

.album-section h3 {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

/* Creative Modal Content */
.creative-modal-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

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

.creative-modal-image {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.creative-modal-image img {
  width: 100%;
  height: auto;
}

.creative-modal-info h4 {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  margin-top: var(--space-lg);
}

.creative-modal-info h4:first-child {
  margin-top: 0;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--color-text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-lg);
  color: var(--color-text-muted);
}

.empty-state h3 {
  margin-bottom: var(--space-sm);
}

/* Glass Section Background */
.section-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

/* Subtle background pattern */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(
      circle at 20% 20%,
      rgba(220, 38, 38, 0.03) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(239, 68, 68, 0.03) 0%,
      transparent 50%
    );
  pointer-events: none;
  z-index: -1;
}

/* About page styles */
.about-hero {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

@media (max-width: 768px) {
  .about-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.about-image {
  width: 280px;
  height: 280px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-secondary);
  border: 3px solid var(--color-primary);
  box-shadow:
    0 0 0 4px var(--color-primary-light),
    var(--shadow-lg);
}

@media (max-width: 768px) {
  .about-image {
    width: 200px;
    height: 200px;
    margin: 0 auto;
  }
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-content h1 {
  margin-bottom: var(--space-xs);
}

.about-content .dev-name {
  font-size: var(--font-size-lg);
  color: var(--color-primary);
  font-family: var(--font-mono);
  margin-bottom: var(--space-md);
}

.about-content .tagline {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

/* ============================================
   Comprehensive Responsive Styles
   ============================================ */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
  :root {
    --font-size-5xl: 2.5rem;
    --font-size-4xl: 2rem;
    --font-size-3xl: 1.75rem;
  }

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

  .section {
    padding: var(--space-2xl) 0;
  }
}

/* Tablets */
@media (max-width: 768px) {
  :root {
    --font-size-5xl: 2rem;
    --font-size-4xl: 1.75rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
    --header-height: 60px;
  }

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

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

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

  /* Hero adjustments */
  .hero {
    min-height: auto;
    padding: var(--space-xl) 0;
  }

  .hero-profile {
    width: 120px;
    height: 120px;
    margin-bottom: var(--space-lg);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
  }

  .hero-buttons .btn {
    width: 100%;
    max-width: 280px;
  }

  /* Cards grid */
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

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

  /* Timeline */
  .timeline {
    padding-left: var(--space-lg);
  }

  .timeline-dot {
    left: calc(-1 * var(--space-lg) + 2px);
  }

  /* Filter bar */
  .filter-bar {
    flex-direction: column;
    padding: var(--space-md);
  }

  .filter-tags {
    width: 100%;
    justify-content: center;
  }

  /* Buttons */
  .btn-lg {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--font-size-sm);
  }

  /* Skills grid */
  .skills-grid {
    grid-template-columns: 1fr;
  }

  /* Project details */
  .project-meta {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .project-links {
    flex-direction: column;
    width: 100%;
  }

  .project-links .btn {
    width: 100%;
    justify-content: center;
  }
}

/* Small phones */
@media (max-width: 480px) {
  :root {
    --font-size-5xl: 1.75rem;
    --font-size-4xl: 1.5rem;
    --font-size-3xl: 1.25rem;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }

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

  /* Single column for all grids */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Hero */
  .hero-profile {
    width: 100px;
    height: 100px;
  }

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

  /* Cards */
  .card-body {
    padding: var(--space-md);
  }

  /* Footer */
  .footer {
    padding: var(--space-lg) 0;
  }

  .footer-bottom {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
  }

  /* Modal */
  .modal {
    margin: var(--space-sm);
    max-height: calc(100vh - var(--space-md));
  }

  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-md);
  }

  /* About page */
  .about-image {
    width: 150px;
    height: 150px;
  }

  .about-content .tagline {
    font-size: var(--font-size-base);
  }

  /* Creative modal */
  .creative-modal-content {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  /* Project gallery */
  .project-gallery {
    grid-template-columns: 1fr;
  }

  /* Contact items */
  .contact-item {
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
  }

  .contact-item .icon {
    width: 40px;
    height: 40px;
  }

  .contact-item .icon svg {
    width: 20px;
    height: 20px;
  }

  .contact-form {
    padding: var(--space-lg);
  }

  .contact-info {
    gap: var(--space-md);
  }

  /* Category cards */
  .category-card {
    padding: var(--space-lg);
  }

  .category-card .icon {
    width: 48px;
    height: 48px;
  }

  /* Now section */
  .now-list li {
    padding: var(--space-sm);
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .card:hover {
    transform: none;
  }

  .card:active {
    transform: scale(0.98);
  }

  .social-link:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }

  .btn:active {
    transform: scale(0.98);
  }

  /* Larger touch targets */
  .nav-link {
    min-height: 44px;
    display: flex;
    align-items: center;
  }

  .tag,
  .badge {
    min-height: 36px;
    padding: var(--space-sm) var(--space-md);
  }
}

/* Landscape phone orientation */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--space-lg) 0;
  }

  .hero-profile {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-sm);
  }

  .nav-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    padding: var(--space-lg);
  }

  .nav-links .nav-link {
    font-size: var(--font-size-base);
    padding: var(--space-sm) var(--space-md);
  }
}