/* Modern Portfolio CSS - Simplified Version Without Build Tools */

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

/* CSS Variables (Design Tokens) */
:root {
  /* Colors - Modern, Professional Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.3rem + 1vw, 1.875rem);
  --text-3xl: clamp(1.875rem, 1.6rem + 1.375vw, 2.25rem);
  --text-4xl: clamp(2.25rem, 1.9rem + 1.75vw, 3rem);
  --text-5xl: clamp(3rem, 2.4rem + 3vw, 4rem);

  /* Spacing */
  --space-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
  --space-sm: clamp(0.75rem, 0.6rem + 0.75vw, 1rem);
  --space-base: clamp(1rem, 0.8rem + 1vw, 1.5rem);
  --space-lg: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --space-xl: clamp(2rem, 1.6rem + 2vw, 3rem);
  --space-2xl: clamp(3rem, 2.4rem + 3vw, 4rem);
  --space-3xl: clamp(4rem, 3.2rem + 4vw, 6rem);

  /* Layout */
  --container-max: 1200px;
  --container-padding: clamp(1rem, 4vw, 2rem);
  --header-height: 4rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --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);

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-base: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

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

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-tooltip: 1060;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--gray-700);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
  appearance: button;
  background-color: transparent;
  background-image: none;
  cursor: pointer;
}

button:focus,
[type="button"]:focus,
[type="reset"]:focus,
[type="submit"]:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

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

a:focus {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

h1 { font-size: var(--text-5xl); font-weight: 700; }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-base);
  max-width: 70ch;
}

/* Container Utility */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* Skip to content for accessibility */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-600);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-base);
  z-index: var(--z-tooltip);
}

.skip-to-content:focus {
  top: 6px;
}

/* Header Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-lg);
  background-color: rgba(255, 255, 255, 0.98);
}

.header__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding-block: 0;
}

.header__logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.header__logo:hover {
  color: var(--primary-600);
}

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

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

.header__link {
  position: relative;
  font-weight: 500;
  color: var(--gray-700);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
}

.header__link::before {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

.header__link:hover,
.header__link.active {
  color: var(--primary-600);
}

.header__link:hover::before,
.header__link.active::before {
  width: 80%;
}

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

.header__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background-color: var(--gray-100);
  color: var(--gray-600);
  transition: all var(--transition-base);
}

.header__social-link:hover {
  background-color: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

.header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: none;
  cursor: pointer;
  color: var(--gray-700);
}

.header__overlay {
  display: none;
}

/* Mobile Navigation */
@media (max-width: 1024px) {
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: white;
    flex-direction: column;
    justify-content: flex-start;
    padding: var(--space-xl);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
  }

  .header__nav.active {
    transform: translateX(0);
  }

  .header__menu {
    flex-direction: column;
    width: 100%;
    gap: var(--space-lg);
  }

  .header__link {
    font-size: var(--text-lg);
    width: 100%;
    text-align: center;
    padding: var(--space-sm);
  }

  .header__social {
    margin-top: var(--space-xl);
  }

  .header__toggle {
    display: flex;
  }

  .header__overlay {
    display: block;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: calc(var(--z-fixed) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .header__overlay.active {
    opacity: 1;
    visibility: visible;
  }
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('./assets/imgs/cv_img.jpg') center/cover no-repeat;
  opacity: 0.1;
  z-index: 1;
}

.hero__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-3xl);
  align-items: center;
  min-height: calc(100vh - var(--header-height));
  padding-top: var(--header-height);
}

@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
}

.hero__content {
  max-width: 600px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--accent-gradient);
  color: white;
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-base);
}

.hero__badge::before {
  content: '🎓';
  font-size: var(--text-base);
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--space-base);
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-base);
  align-items: center;
  margin-bottom: var(--space-xl);
}

@media (max-width: 640px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-base) var(--space-xl);
  background: var(--accent-gradient);
  color: white;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.hero__secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-base) var(--space-xl);
  border: 2px solid var(--gray-300);
  color: var(--gray-700);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.hero__secondary:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  transform: translateY(-2px);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-base);
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
}

@media (max-width: 640px) {
  .hero__stats {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: var(--space-xs);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero__image {
  position: relative;
  max-width: 400px;
}

@media (max-width: 1024px) {
  .hero__image {
    max-width: 300px;
    margin: 0 auto;
  }
}

.hero__image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
}

.hero__image:hover img {
  transform: scale(1.05);
}

.hero__image--padded {
  background: white;
  padding: var(--space-lg);
}

.hero__image--padded img {
  object-fit: contain;
}

.hero__image::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  right: -20px;
  bottom: -20px;
  background: var(--accent-gradient);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.1;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.hero__scroll-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 3rem;
  border: 2px solid var(--gray-400);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero__scroll-indicator:hover {
  border-color: var(--primary-500);
}

.hero__scroll-indicator::before {
  content: '';
  width: 4px;
  height: 8px;
  background-color: var(--gray-400);
  border-radius: var(--radius-full);
  animation: scroll 2s infinite;
}

@keyframes scroll {
  0% {
    opacity: 0;
    transform: translateY(-8px);
  }
  50% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(8px);
  }
}

/* Section Layouts */
.section {
  padding: var(--space-3xl) 0;
}

.section--alt {
  background-color: white;
}

.section__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-inline: auto;
}

.section__badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--primary-100);
  color: var(--primary-700);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-base);
}

.section__title {
  margin-bottom: var(--space-base);
}

.section__description {
  font-size: var(--text-lg);
  color: var(--gray-600);
  margin-bottom: 0;
}

/* About Section */
.about__content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

@media (max-width: 1024px) {
  .about__content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: center;
  }
}

.about__image {
  position: relative;
}

.about__image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.about__image::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  right: -15px;
  bottom: -15px;
  background: var(--accent-gradient);
  border-radius: var(--radius-xl);
  z-index: -1;
  opacity: 0.1;
}

.about__text h3 {
  color: var(--gray-900);
  margin-bottom: var(--space-base);
}

.about__text p {
  margin-bottom: var(--space-base);
  color: var(--gray-600);
  line-height: 1.7;
}

/* Skills Section */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
}

.skill-category {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-base);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.skill-category:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.skill-category__header {
  display: flex;
  align-items: center;
  gap: var(--space-base);
  margin-bottom: var(--space-lg);
}

.skill-category__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  background: var(--accent-gradient);
  color: white;
  font-size: var(--text-xl);
}

.skill-category__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0;
}

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

.skill-category__skill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--gray-50);
  color: var(--gray-700);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-base);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.skill-category__skill:hover {
  background-color: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--primary-700);
  transform: translateY(-1px);
}

.skill-category__skill-level {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-left: var(--space-xs);
}

.skill-category__skill-level--expert {
  background-color: var(--success);
}

.skill-category__skill-level--proficient {
  background-color: var(--primary-500);
}

.skill-category__skill-level--intermediate {
  background-color: var(--warning);
}

.skill-category__skill-level--basic {
  background-color: var(--gray-400);
}

/* Languages Grid */
.languages__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-base);
}

.languages__item {
  text-align: center;
  padding: var(--space-lg);
  background: white;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.languages__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.languages__flag {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-sm);
}

.languages__name {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-xs);
}

.languages__level {
  font-size: var(--text-sm);
  color: var(--gray-600);
}

/* Projects Grid */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.project-card {
  position: relative;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
  height: fit-content;
}

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

.project-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--gray-100);
}

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

.project-card__image:hover img {
  transform: scale(1.1);
}

.project-card__image--padded {
  background: white;
  padding: var(--space-lg);
}

.project-card__image--padded img {
  object-fit: contain;
}

.project-card__image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.9) 0%, rgba(147, 51, 234, 0.9) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.project-card__image-actions {
  display: flex;
  gap: var(--space-sm);
}

.project-card__image-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: white;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all var(--transition-base);
}

.project-card__image-action:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.project-card__content {
  padding: var(--space-xl);
}

.project-card__category {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--primary-100);
  color: var(--primary-700);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-base);
  margin-bottom: var(--space-base);
}

.project-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.project-card__title a {
  color: inherit;
  transition: color var(--transition-base);
}

.project-card__title a:hover {
  color: var(--primary-600);
}

.project-card__description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-base);
}

.project-card__features {
  margin-bottom: var(--space-lg);
}

.project-card__features ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.project-card__features li {
  position: relative;
  padding-left: var(--space-base);
  margin-bottom: var(--space-xs);
  color: var(--gray-600);
  font-size: var(--text-sm);
}

.project-card__features li::before {
  content: '→';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--primary-500);
  font-weight: bold;
}

.project-card__technologies {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.project-card__tech {
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--gray-100);
  color: var(--gray-700);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-base);
}

.project-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-base);
  border-top: 1px solid var(--gray-200);
}

.project-card__links {
  display: flex;
  gap: var(--space-sm);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  color: var(--primary-600);
  font-size: var(--text-sm);
  font-weight: 500;
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
}

.project-card__link:hover {
  background-color: var(--primary-50);
  border-color: var(--primary-300);
}

.project-card__date {
  font-size: var(--text-xs);
  color: var(--gray-500);
}

/* Project Card Variants */
.project-card--featured {
  grid-column: span 2;
}

@media (max-width: 1024px) {
  .project-card--featured {
    grid-column: span 1;
  }
}

.project-card--horizontal {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
}

@media (max-width: 640px) {
  .project-card--horizontal {
    grid-template-columns: 1fr;
  }
}

.project-card--horizontal .project-card__image {
  aspect-ratio: 1;
}

@media (max-width: 640px) {
  .project-card--horizontal .project-card__image {
    aspect-ratio: 16/10;
  }
}



/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-xl) 0;
  text-align: center;
  border-top: 1px solid var(--gray-800);
}

.footer__content {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .footer__content {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__email {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-base);
  color: var(--gray-300);
}

.footer__email i {
  color: var(--primary-400);
}

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

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--gray-800);
  color: var(--gray-400);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.footer__social-link:hover {
  background: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

/* Button Component */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-base) var(--space-xl);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  font-size: var(--text-base);
}

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

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

.btn--secondary {
  background: white;
  color: var(--gray-700);
  border: 2px solid var(--gray-300);
}

.btn--secondary:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
}

.btn--outline {
  background: transparent;
  color: var(--primary-600);
  border: 2px solid var(--primary-200);
}

.btn--outline:hover {
  background: var(--primary-50);
  border-color: var(--primary-300);
}

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

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-base { margin-bottom: var(--space-base); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-base { margin-top: var(--space-base); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

/* Accessibility */
@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;
  }
}

/* Loading Animation */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}