/* ============================================
   ANDREA DI MARTILE — PORTFOLIO
   Design System & Styles
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Colors — Deep dark palette with cyan accent */
  --bg-primary: #06080d;
  --bg-secondary: #0c1017;
  --bg-card: #111620;
  --bg-card-hover: #161d2a;
  --bg-elevated: #1a2233;

  --text-primary: #e8ecf4;
  --text-secondary: #8892a4;
  --text-muted: #505a6e;

  --accent: #38bdf8;
  --accent-hover: #60ccfa;
  --accent-glow: rgba(56, 189, 248, 0.15);
  --accent-gradient: linear-gradient(135deg, #38bdf8, #818cf8);
  --accent-gradient-text: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-card: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(56, 189, 248, 0.3);

  --shadow-sm: 0 1px 2px 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 40px rgba(56, 189, 248, 0.08);

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

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* 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;
  --space-4xl: 6rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

::selection {
  background-color: rgba(56, 189, 248, 0.25);
  color: #fff;
}

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

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

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

/* --- Background Ambient Glow --- */
body::before {
  content: '';
  position: fixed;
  top: -40%;
  left: -20%;
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -30%;
  right: -20%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse at center, rgba(129, 140, 248, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  z-index: 1000;
  background: rgba(6, 8, 13, 0.8);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-base);
}

.nav.scrolled {
  background: rgba(6, 8, 13, 0.95);
  box-shadow: var(--shadow-md);
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav__logo span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

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

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  border-radius: 1px;
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  color: var(--text-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

/* --- Language Toggle --- */
.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: var(--space-md);
}

.lang-toggle:hover {
  background: var(--accent-glow);
}

.lang-toggle__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

/* --- Sections --- */
section {
  position: relative;
  z-index: 1;
  padding: var(--space-4xl) var(--space-xl);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: var(--space-lg);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Hero Section --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.hero__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero__text {
  max-width: 600px;
}

.hero__greeting {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--accent);
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.2s;
}

.hero__name {
  font-size: var(--text-5xl);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.4s;
}

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

.hero__tagline {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.6s;
}

.hero__stats {
  display: flex;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.8s;
}

.hero__stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-mono);
}

.hero__stat-label {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  opacity: 0;
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 1s;
}

.hero__image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  animation: fadeInScale 0.8s ease forwards;
  animation-delay: 0.6s;
}

.hero__image-container {
  position: relative;
  width: 340px;
  height: 340px;
}

.hero__image-container::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--accent-gradient);
  opacity: 0.6;
  z-index: 0;
}

.hero__image-container::after {
  content: '';
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px dashed var(--border-accent);
  animation: spin 30s linear infinite;
  z-index: 0;
}

.hero__image {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  z-index: 1;
  border: 4px solid var(--bg-primary);
}

/* Placeholder when no photo */
.hero__image-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--bg-card);
  border: 4px solid var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  font-size: 6rem;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-mono);
  letter-spacing: -0.05em;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn--primary {
  background: var(--accent-gradient);
  color: #0a0a0f;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56, 189, 248, 0.3);
  color: #0a0a0f;
}

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

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn__icon {
  width: 16px;
  height: 16px;
}

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

.about__text p {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.about__text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.about__info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.about__info-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.about__info-item:hover {
  border-color: var(--border-accent);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.about__info-icon {
  margin-bottom: var(--space-sm);
  color: var(--accent);
  display: flex;
  align-items: center;
}

.about__info-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 500;
}

.about__info-value {
  font-size: var(--text-sm);
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 2px;
}

/* --- Experience Timeline --- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--border-subtle));
  border-radius: 1px;
}

.timeline__item {
  position: relative;
  margin-bottom: var(--space-2xl);
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}

.timeline__item.visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline__dot {
  position: absolute;
  left: -36px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent);
  z-index: 2;
  transition: all var(--transition-base);
}

.timeline__item:hover .timeline__dot {
  background: var(--accent);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
}

.timeline__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.timeline__company {
  font-size: var(--text-sm);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.timeline__description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: var(--accent-glow);
  color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.15);
  font-weight: 500;
}

/* --- Projects Section --- */
.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-slow);
  opacity: 0;
  transform: translateY(30px);
}

.project-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.project-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.project-card.featured {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.project-card__visual {
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  min-height: 280px;
}

.project-card__visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 50%, rgba(56, 189, 248, 0.08), transparent 60%);
}

.project-card__icon {
  font-size: 5rem;
  z-index: 1;
}

.project-card__badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--accent-gradient);
  color: #0a0a0f;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  z-index: 1;
}

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

.project-card__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.project-card__role {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--space-md);
}

.project-card__description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.project-card__highlights {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.project-card__highlights li {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: 4px 0;
  padding-left: 20px;
  position: relative;
}

.project-card__highlights li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* Quenta ecosystem sub-apps */
.project-card__apps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.app-chip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 8px 12px;
  background: rgba(56, 189, 248, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.app-chip:hover {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-glow);
}

.app-chip__icon {
  font-size: 1rem;
}

/* --- Skills Section --- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.skill-category.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-category:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.skill-category__icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--accent);
}

.skill-category__title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.skill-category__items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.skill-tag {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-glow);
}

/* --- Education Section --- */
.education__card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-xl);
  align-items: start;
  transition: all var(--transition-base);
  margin-bottom: var(--space-lg);
}

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

.education__icon {
  width: 64px;
  height: 64px;
  min-width: 64px;
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.education__date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.education__degree {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 2px;
}

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

.education__details {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Beyond Code Section --- */
.beyond__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.beyond__grid--6 {
  grid-template-columns: repeat(3, 1fr);
}

.beyond__card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
}

.beyond__card.visible {
  opacity: 1;
  transform: translateY(0);
}

.beyond__card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.beyond__card-icon {
  margin-bottom: var(--space-md);
  color: var(--accent);
  display: flex;
  justify-content: center;
}

.beyond__card-title {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.beyond__card-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Contact Section --- */
.contact__content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-base);
  text-decoration: none;
}

.contact__link:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.contact__link-icon {
  font-size: 1.2rem;
}

/* --- Footer --- */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: var(--space-2xl) var(--space-xl);
  border-top: 1px solid var(--border-subtle);
}

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

.footer__text span {
  color: var(--accent);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Scroll reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero__content {
    display: flex;
    flex-direction: column-reverse;
    text-align: center;
    padding-top: var(--space-xl);
    gap: var(--space-lg);
  }

  .hero__text {
    max-width: 100%;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__cta {
    justify-content: center;
  }

  .hero__image-wrapper {
    margin-bottom: 0;
  }

  .hero__image-container {
    width: 280px;
    height: 280px;
  }

  .hero__name {
    font-size: var(--text-4xl);
  }

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

  .project-card.featured {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  :root {
    --text-5xl: 2.5rem;
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
  }

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

  .nav__links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(6, 8, 13, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    gap: var(--space-md);
  }

  .nav__links.open {
    display: flex;
  }

  .lang-toggle {
    margin-left: auto;
    margin-right: var(--space-md);
  }

  .nav__toggle {
    display: flex;
  }

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

  .hero__image-container {
    width: 220px;
    height: 220px;
  }

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

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

  .contact__links {
    flex-direction: column;
    align-items: center;
  }

  .project-card__apps {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .hero__name {
    font-size: 2rem;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .hero__cta {
    flex-direction: column;
  }

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