@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700&family=Google+Sans+Text:wght@400;500&family=Roboto:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===================================================================
   Material You (M3) Design Tokens — Dark Theme
   Tonal palette generated from seed: #D0BCFF (primary purple)
   =================================================================== */
:root {
  /* Primary */
  --md-primary: #D0BCFF;
  --md-on-primary: #381E72;
  --md-primary-container: #4F378B;
  --md-on-primary-container: #EADDFF;

  /* Secondary */
  --md-secondary: #CCC2DC;
  --md-on-secondary: #332D41;
  --md-secondary-container: #4A4458;
  --md-on-secondary-container: #E8DEF8;

  /* Tertiary */
  --md-tertiary: #EFB8C8;
  --md-on-tertiary: #492532;
  --md-tertiary-container: #633B48;
  --md-on-tertiary-container: #FFD8E4;

  /* Error */
  --md-error: #F2B8B5;
  --md-on-error: #601410;
  --md-error-container: #8C1D18;
  --md-on-error-container: #F9DEDC;

  /* Surface (tonal elevation) */
  --md-surface: #141218;
  --md-surface-dim: #141218;
  --md-surface-bright: #3B383E;
  --md-surface-container-lowest: #0F0D13;
  --md-surface-container-low: #1D1B20;
  --md-surface-container: #211F26;
  --md-surface-container-high: #2B2930;
  --md-surface-container-highest: #36343B;
  --md-on-surface: #E6E0E9;
  --md-on-surface-variant: #CAC4D0;
  --md-outline: #938F99;
  --md-outline-variant: #49454F;
  --md-inverse-surface: #E6E0E9;
  --md-inverse-on-surface: #322F35;

  /* Extended palette */
  --md-surface-tint: #D0BCFF;
  --md-scrim: #000000;

  /* Elevation overlays (M3 uses tonal elevation, not shadows in dark mode) */
  --md-elevation-1: color-mix(in srgb, var(--md-surface-tint) 5%, var(--md-surface));
  --md-elevation-2: color-mix(in srgb, var(--md-surface-tint) 8%, var(--md-surface));
  --md-elevation-3: color-mix(in srgb, var(--md-surface-tint) 11%, var(--md-surface));

  /* Shape (M3 rounding) */
  --md-shape-none: 0px;
  --md-shape-xs: 4px;
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 28px;
  --md-shape-full: 9999px;

  /* Typography */
  --md-font-brand: 'Google Sans', 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --md-font-plain: 'Roboto', 'Google Sans Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --md-font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Motion (M3 easing) */
  --md-easing-standard: cubic-bezier(0.2, 0, 0, 1);
  --md-easing-standard-decel: cubic-bezier(0, 0, 0, 1);
  --md-easing-standard-accel: cubic-bezier(0.3, 0, 1, 1);
  --md-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
  --md-easing-emphasized-decel: cubic-bezier(0.05, 0.7, 0.1, 1);
  --md-easing-emphasized-accel: cubic-bezier(0.3, 0, 0.8, 0.15);

  --md-duration-short1: 50ms;
  --md-duration-short2: 100ms;
  --md-duration-short3: 150ms;
  --md-duration-short4: 200ms;
  --md-duration-medium1: 250ms;
  --md-duration-medium2: 300ms;
  --md-duration-medium3: 350ms;
  --md-duration-medium4: 400ms;
  --md-duration-long1: 450ms;
  --md-duration-long2: 500ms;
  --md-duration-long3: 550ms;
  --md-duration-long4: 600ms;
}

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

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

body {
  font-family: var(--md-font-plain);
  background: var(--md-surface);
  color: var(--md-on-surface);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

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

/* ===== Subtle Animated Background ===== */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-mesh::before {
  content: '';
  position: absolute;
  top: -30%;
  left: -30%;
  width: 160%;
  height: 160%;
  background:
    radial-gradient(ellipse 500px 500px at 25% 15%, rgba(208, 188, 255, 0.06), transparent),
    radial-gradient(ellipse 400px 400px at 75% 20%, rgba(239, 184, 200, 0.04), transparent),
    radial-gradient(ellipse 350px 350px at 50% 75%, rgba(204, 194, 220, 0.03), transparent);
  animation: meshDrift 25s ease-in-out infinite;
}

@keyframes meshDrift {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(15px, -10px); }
  66% { transform: translate(-10px, 8px); }
}

/* ===== Layout ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ===== Navigation (M3 Top App Bar) ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 12px 0;
  transition: all var(--md-duration-medium2) var(--md-easing-standard);
}

.nav.scrolled {
  background: var(--md-surface-container);
  border-bottom: 1px solid var(--md-outline-variant);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
}

.nav-logo {
  font-family: var(--md-font-brand);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 2px;
  color: var(--md-on-surface);
}

.nav-logo .logo-accent {
  color: var(--md-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  font-family: var(--md-font-plain);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  padding: 8px 16px;
  border-radius: var(--md-shape-full);
  transition: all var(--md-duration-short4) var(--md-easing-standard);
  position: relative;
  letter-spacing: 0.01em;
}

.nav-links a:hover {
  background: rgba(208, 188, 255, 0.08);
  color: var(--md-on-surface);
}

.nav-links a:active {
  background: rgba(208, 188, 255, 0.12);
}

/* Mobile nav toggle (M3 icon button) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 8px;
  border-radius: var(--md-shape-full);
  transition: background var(--md-duration-short4) var(--md-easing-standard);
}

.nav-toggle:hover {
  background: rgba(208, 188, 255, 0.08);
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--md-on-surface);
  border-radius: var(--md-shape-full);
  transition: all var(--md-duration-medium2) var(--md-easing-emphasized);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 56px;
  width: 100%;
}

.hero-text {
  flex: 1;
  max-width: 620px;
}

/* Profile Picture (M3 large shape) */
.hero-avatar {
  flex-shrink: 0;
  animation: fadeInScale 0.8s var(--md-easing-emphasized-decel) 0.3s both;
}

.hero-avatar img {
  width: 200px;
  height: 200px;
  border-radius: var(--md-shape-xl);
  object-fit: cover;
  border: 3px solid var(--md-outline-variant);
  transition: all var(--md-duration-medium4) var(--md-easing-emphasized);
}

.hero-avatar img:hover {
  border-color: var(--md-primary);
  transform: scale(1.03);
  box-shadow: 0 8px 32px rgba(208, 188, 255, 0.15);
}

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

/* M3 Assist Chip style badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: transparent;
  border: 1px solid var(--md-outline);
  border-radius: var(--md-shape-sm);
  font-family: var(--md-font-plain);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
  animation: fadeInUp 0.6s var(--md-easing-emphasized-decel) 0.2s both;
}

.hero-badge .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4caf50;
  animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-family: var(--md-font-brand);
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--md-on-surface);
  animation: fadeInUp 0.6s var(--md-easing-emphasized-decel) 0.35s both;
}

.hero h1 .gradient-text {
  color: var(--md-primary);
}

.hero-description {
  font-size: 1rem;
  color: var(--md-on-surface-variant);
  line-height: 1.65;
  max-width: 500px;
  margin-bottom: 28px;
  animation: fadeInUp 0.6s var(--md-easing-emphasized-decel) 0.5s both;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--md-easing-emphasized-decel) 0.65s both;
}

/* ===== M3 Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 24px;
  height: 40px;
  border-radius: var(--md-shape-full);
  font-family: var(--md-font-plain);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all var(--md-duration-short4) var(--md-easing-standard);
  border: none;
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

/* M3 Filled Button */
.btn-primary {
  background: var(--md-primary);
  color: var(--md-on-primary);
}

.btn-primary:hover {
  box-shadow: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.3);
  background: color-mix(in srgb, var(--md-on-primary) 8%, var(--md-primary));
}

.btn-primary:active {
  background: color-mix(in srgb, var(--md-on-primary) 12%, var(--md-primary));
}

/* M3 Tonal Button */
.btn-secondary {
  background: var(--md-secondary-container);
  color: var(--md-on-secondary-container);
}

.btn-secondary:hover {
  box-shadow: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.3);
  background: color-mix(in srgb, var(--md-on-secondary-container) 8%, var(--md-secondary-container));
}

.btn-secondary:active {
  background: color-mix(in srgb, var(--md-on-secondary-container) 12%, var(--md-secondary-container));
}

/* M3 Ripple effect */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), currentColor 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--md-duration-medium1) var(--md-easing-standard);
}

.btn:active::after {
  opacity: 0.12;
}

/* ===== Section Styles ===== */
.section {
  padding: 64px 0;
}

.section-header {
  margin-bottom: 32px;
}

.section-label {
  font-family: var(--md-font-plain);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--md-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.section-title {
  font-family: var(--md-font-brand);
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--md-on-surface);
}

.section-subtitle {
  font-size: 0.875rem;
  color: var(--md-on-surface-variant);
  margin-top: 6px;
  max-width: 460px;
}

/* ===== Projects Grid (M3 Cards) ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

/* M3 Filled Card */
.project-card {
  background: var(--md-surface-container-high);
  border-radius: var(--md-shape-md);
  padding: 20px;
  transition: all var(--md-duration-medium2) var(--md-easing-standard);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  display: block;
  border: none;
}

.project-card:hover {
  background: var(--md-surface-container-highest);
  box-shadow:
    0 1px 3px 1px rgba(0,0,0,0.15),
    0 1px 2px 0 rgba(0,0,0,0.3);
  transform: translateY(-2px);
}

.project-card:active {
  transform: translateY(0);
}

/* M3 State layer */
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-primary);
  opacity: 0;
  transition: opacity var(--md-duration-short4) var(--md-easing-standard);
  border-radius: inherit;
}

.project-card:hover::before {
  opacity: 0.05;
}

.project-card > * {
  position: relative;
  z-index: 1;
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--md-shape-md);
  background: var(--md-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.project-external-link {
  color: var(--md-on-surface-variant);
  transition: color var(--md-duration-short4) var(--md-easing-standard);
  padding: 4px;
  border-radius: var(--md-shape-full);
}

.project-card:hover .project-external-link {
  color: var(--md-primary);
}

.project-card h3 {
  font-family: var(--md-font-brand);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--md-on-surface);
  letter-spacing: 0;
}

.project-card p {
  font-size: 0.8125rem;
  color: var(--md-on-surface-variant);
  line-height: 1.55;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.project-language {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
}

.language-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.project-stat {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--md-outline);
}

.project-stat svg {
  width: 14px;
  height: 14px;
}

/* ===== Loading Skeleton (M3 style) ===== */
.loading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.skeleton-card {
  background: var(--md-surface-container-high);
  border-radius: var(--md-shape-md);
  padding: 20px;
  overflow: hidden;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--md-surface-container-highest) 25%,
    rgba(208, 188, 255, 0.06) 50%,
    var(--md-surface-container-highest) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.8s ease-in-out infinite;
  border-radius: var(--md-shape-xs);
}

.skeleton-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--md-shape-md);
  margin-bottom: 16px;
}

.skeleton-title {
  height: 18px;
  width: 55%;
  margin-bottom: 12px;
}

.skeleton-text {
  height: 13px;
  width: 85%;
  margin-bottom: 8px;
}

.skeleton-text-short {
  height: 13px;
  width: 45%;
  margin-bottom: 16px;
}

.skeleton-meta {
  height: 12px;
  width: 35%;
}

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

/* ===== Error State ===== */
.error-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--md-surface-container);
  border-radius: var(--md-shape-xl);
}

.error-state .error-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.error-state h3 {
  font-family: var(--md-font-brand);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--md-on-surface);
}

.error-state p {
  color: var(--md-on-surface-variant);
  font-size: 0.875rem;
  margin-bottom: 20px;
}

/* ===== Links Section (M3 List / Cards) ===== */
.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}

/* M3 Outlined Card style link */
.link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: transparent;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-md);
  transition: all var(--md-duration-medium2) var(--md-easing-standard);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

/* State layer */
.link-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--md-primary);
  opacity: 0;
  transition: opacity var(--md-duration-short4) var(--md-easing-standard);
  border-radius: inherit;
}

.link-card:hover::before {
  opacity: 0.08;
}

.link-card:hover {
  border-color: var(--md-outline);
  box-shadow: 0 1px 3px 1px rgba(0,0,0,0.15), 0 1px 2px 0 rgba(0,0,0,0.3);
}

.link-card > * {
  position: relative;
  z-index: 1;
}

.link-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--md-shape-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.link-card-icon svg {
  width: 22px;
  height: 22px;
}

.link-card-info h3 {
  font-family: var(--md-font-brand);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 2px;
  color: var(--md-on-surface);
}

.link-card-info p {
  font-size: 0.75rem;
  color: var(--md-outline);
  font-family: var(--md-font-mono);
  letter-spacing: -0.01em;
}

.link-card-arrow {
  margin-left: auto;
  color: var(--md-on-surface-variant);
  transition: all var(--md-duration-short4) var(--md-easing-standard);
  flex-shrink: 0;
}

.link-card:hover .link-card-arrow {
  color: var(--md-primary);
  transform: translateX(2px);
}

/* Link icon themes using M3 tonal containers */
.link-card-icon.github {
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface);
}
.link-card-icon.gitlab {
  background: rgba(252, 109, 38, 0.12);
  color: #fc6d26;
}
.link-card-icon.gitea {
  background: rgba(96, 158, 67, 0.12);
  color: #85c76f;
}
.link-card-icon.discord {
  background: rgba(88, 101, 242, 0.12);
  color: #949cf7;
}
.link-card-icon.email {
  background: var(--md-tertiary-container);
  color: var(--md-on-tertiary-container);
}

/* ===== Footer ===== */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--md-outline-variant);
  margin-top: 48px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-text {
  font-size: 0.8125rem;
  color: var(--md-outline);
}

.footer-text a {
  color: var(--md-on-surface-variant);
  transition: color var(--md-duration-short4) var(--md-easing-standard);
}

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

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--md-on-surface-variant);
  padding: 8px;
  border-radius: var(--md-shape-full);
  transition: all var(--md-duration-short4) var(--md-easing-standard);
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-links a:hover {
  background: rgba(208, 188, 255, 0.08);
  color: var(--md-primary);
}

.footer-links a svg {
  width: 20px;
  height: 20px;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--md-duration-long2) var(--md-easing-emphasized-decel),
    transform var(--md-duration-long2) var(--md-easing-emphasized-decel);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--md-duration-medium4) var(--md-easing-emphasized-decel),
    transform var(--md-duration-medium4) var(--md-easing-emphasized-decel);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0.04s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.08s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.12s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.16s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.24s; }
.stagger-children.visible > *:nth-child(n+7) { transition-delay: 0.28s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ===== M3 FAB (Scroll to top) ===== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: var(--md-shape-lg);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 50;
  opacity: 0;
  transform: scale(0.8) translateY(16px);
  pointer-events: none;
  transition: all var(--md-duration-medium2) var(--md-easing-emphasized);
  border: none;
  box-shadow:
    0 3px 5px -1px rgba(0,0,0,0.2),
    0 6px 10px 0 rgba(0,0,0,0.14),
    0 1px 18px 0 rgba(0,0,0,0.12);
}

.scroll-top.visible {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: all;
}

.scroll-top:hover {
  background: color-mix(in srgb, var(--md-on-primary-container) 8%, var(--md-primary-container));
  box-shadow:
    0 4px 8px -2px rgba(0,0,0,0.25),
    0 8px 16px 0 rgba(0,0,0,0.15),
    0 2px 20px 0 rgba(0,0,0,0.12);
}

.scroll-top:active {
  background: color-mix(in srgb, var(--md-on-primary-container) 12%, var(--md-primary-container));
}

.scroll-top svg {
  width: 24px;
  height: 24px;
}

/* ===== Empty state ===== */
.empty-state {
  text-align: center;
  padding: 64px;
  color: var(--md-on-surface-variant);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
    gap: 32px;
  }

  .hero-text {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero-description {
    max-width: 420px;
  }

  .hero-avatar img {
    width: 140px;
    height: 140px;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--md-surface);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    z-index: 99;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    font-size: 1.25rem;
    padding: 14px 32px;
  }

  .nav-toggle {
    display: flex;
    z-index: 101;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

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

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.75rem);
  }

  .projects-grid,
  .loading-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .scroll-top {
    bottom: 16px;
    right: 16px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }
}