:root {
  --font-stack: "Roboto", system-ui, -apple-system, "Segoe UI", "Helvetica Neue",
    Arial, sans-serif;
  --transition-fast: 150ms;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --radius-sm: 4px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 4px -2px rgb(0 0 0 / 30%);

  /* New color palette based on provided colors */
  --cream: 45 36% 95%; /* #F5F2E9 */
  --light-gray: 0 0% 79%; /* #C9C9C9 */
  --dark-gray: 60 2% 31%; /* #4F4F4D */
  --purple: 287 72% 66%; /* #CB6BEB */
  --medium-gray: 0 0% 44%; /* #707070 */
}

[data-theme="light"] {
  --bg: var(--cream);
  --bg-alt: 45 20% 92%;
  --bg-elev: 45 30% 96%;
  --border: var(--light-gray);
  --text: var(--dark-gray);
  --text-muted: var(--medium-gray);
  --accent: var(--purple);
  --accent-contrast: var(--cream);
}

[data-theme="dark"] {
  --bg: 60 2% 8%;
  --bg-alt: 60 2% 12%;
  --bg-elev: 60 2% 16%;
  --border: 0 0% 25%;
  --text: var(--cream);
  --text-muted: var(--light-gray);
  --accent: var(--purple);
  --accent-contrast: var(--dark-gray);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: var(--font-stack);
  background: hsl(var(--bg));
  color: hsl(var(--text));
  -webkit-font-smoothing: antialiased;
  overflow: hidden; /* single viewport */
  visibility: hidden; /* Hide until GSAP initializes */
  position: relative;
}

/* Animated background */
.bg-animation {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.bg-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
    75px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    hsl(var(--accent) / 0.08),
    hsl(var(--accent) / 0.03) 50%,
    transparent 75%
  );
  transition: opacity 0.3s ease;
}

.bg-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.particle {
  position: absolute;
  background: hsl(var(--accent) / 0.6);
  border-radius: 50%;
  pointer-events: none;
}

[data-theme="light"] .particle {
  background: hsl(var(--accent));
}

.particle-1 { width: 3px; height: 3px; }
.particle-2 { width: 4px; height: 4px; }
.particle-3 { width: 3.5px; height: 3.5px; }
.particle-4 { width: 2px; height: 2px; }

body.gsap-loaded {
  visibility: visible;
}

body,
button {
  font-size: 16px;
}

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.5px;
}
h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin: 0 0 var(--space-4);
}
h2 {
  font-size: 1.75rem;
  margin: 0 0 var(--space-4);
}
h3 {
  font-size: 1.3rem;
  margin: 0 0 var(--space-3);
}
p {
  line-height: 1.5;
}

/* Fix homeTitle height to prevent layout shift during scramble */
#homeTitle {
  min-height: 1.1em;
  height: auto;
}

/* Home page layout with logo */
.home-content {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  width: 100%;
  /* max-width: 1000px; */
}

.home-text {
  flex: 1;
}

.home-logo {
  flex: 1;
}

.logo-large {
  width: 100%;
  height: auto;
  opacity: 0.8;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.logo-large:hover {
  opacity: 1;
  transform: scale(1.05);
}

/* Footer updates */
.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-links a {
  text-decoration: none;
  font-size: 1.2rem;
  opacity: 0.7;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.social-links a:hover {
  opacity: 1;
  transform: translateY(-2px);
}

@media (max-width: 720px) {
  .home-content {
    flex-direction: column;
    text-align: center;
    gap: var(--space-6);
  }
  
  .logo-large {
    width: 150px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-2);
  }
}.muted {
  color: hsl(var(--text-muted));
}
.small {
  font-size: 0.8rem;
}

.gradient-text {
  background: linear-gradient(
    90deg,
    hsl(var(--accent)) 0%,
    hsl(var(--accent) / 0.6) 50%,
    hsl(var(--accent)) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gradient-text .char {
  display: inline-block;
  background: linear-gradient(
    90deg,
    hsl(var(--accent)) 0%,
    hsl(var(--accent) / 0.6) 50%,
    hsl(var(--accent)) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Scramble text effects */
.char {
  display: inline-block;
  opacity: 1;
  transition: opacity 0.1s ease;
}

.char.revealed {
  color: hsl(var(--accent));
}

.app-shell {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: 100dvh;
}
.app-header,
.app-footer {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-6);
  backdrop-filter: blur(6px);
  background: hsl(var(--bg) / 0.6);
  border-bottom: 1px solid hsl(var(--border));
}
.app-footer {
  justify-content: center;
  font-size: 0.75rem;
  border-top: 1px solid hsl(var(--border));
  border-bottom: none;
}
.brand {
  font-weight: 600;
  cursor: default;
  display: flex;
  align-items: center;
}
.logo {
  height: 32px;
  width: auto;
  transition: opacity var(--transition-fast);
}
.logo:hover {
  opacity: 0.8;
}
.nav {
  display: flex;
  gap: var(--space-2);
}

.nav-btn {
  background: none;
  border: 1px solid hsl(var(--border));
  color: hsl(var(--text));
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
  position: relative;
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
}
.nav-btn.active {
  background: hsl(var(--accent));
  border-color: hsl(var(--accent));
  color: hsl(var(--accent-contrast));
}
.nav-btn:hover:not(.active),
.nav-btn:focus-visible {
  background: hsl(var(--accent) / 0.12);
}

.actions {
  margin-left: auto;
  display: flex;
  gap: var(--space-2);
}
.icon-btn {
  background: hsl(var(--bg-alt));
  border: 1px solid hsl(var(--border));
  color: hsl(var(--text));
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  cursor: pointer;
  font: inherit;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast);
}
.icon-btn:hover,
.icon-btn:focus-visible {
  background: hsl(var(--accent) / 0.15);
}
.icon-btn.close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}

.pill {
  background: hsl(var(--bg-alt));
  border: 1px solid hsl(var(--border));
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  cursor: pointer;
  font: inherit;
  transition: background var(--transition-fast),
    transform var(--transition-fast);
}

[data-theme="dark"] .pill {
  color: hsl(var(--cream));
}

.pill.primary {
  background: hsl(var(--accent));
  color: hsl(var(--cream));
  border-color: hsl(var(--accent));
}
.pill:hover {
  transform: translateY(-2px);
}

.lead {
  font-size: 1.05rem;
  max-width: 48ch;
}
.cta-row {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.viewport {
  position: relative;
  width: 100%;
  height: 100%;
  padding: var(--space-8) var(--space-6) var(--space-6);
  overflow: hidden;
}
.panel {
  position: absolute;
  inset: 0;
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: var(--space-4);
  pointer-events: none;
  max-width: 1600px;
  margin: 0 auto;
}
.panel[data-active="true"] {
  pointer-events: auto;
}

.projects-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 960px;
}
.projects-grid li {
  background: hsl(var(--bg-alt));
  border: 1px solid hsl(var(--border));
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-height: 130px;
  position: relative;
  transition: border-color var(--transition-fast),
    background var(--transition-fast);
}
.projects-grid li:hover,
.projects-grid li:focus-within {
  border-color: hsl(var(--accent));
  background: hsl(var(--accent) / 0.07);
}
.projects-grid h3 {
  margin: 0;
  font-size: 1rem;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.tag {
  font-size: 0.6rem;
  padding: 2px 6px;
  background: hsl(var(--accent) / 0.18);
  color: hsl(var(--text));
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.contact-list a {
  color: hsl(var(--accent));
  text-decoration: none;
}
.contact-list a:hover,
.contact-list a:focus-visible {
  text-decoration: underline;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
}
.modal[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: hsl(var(--bg) / 0.75);
  backdrop-filter: blur(4px);
}
.modal-body {
  position: relative;
  background: hsl(var(--bg-elev));
  border: 1px solid hsl(var(--border));
  padding: var(--space-6) var(--space-6) var(--space-6);
  width: min(780px, 90vw);
  max-height: 80dvh;
  overflow-y: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.modal-body::-webkit-scrollbar {
  width: 10px;
}
.modal-body::-webkit-scrollbar-thumb {
  background: hsl(var(--accent) / 0.4);
  border-radius: 5px;
}

.meta-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.meta-list li {
  background: hsl(var(--bg-alt));
  border: 1px solid hsl(var(--border));
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.65rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.links a {
  text-decoration: none;
  background: hsl(var(--accent));
  color: hsl(var(--accent-contrast));
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  transition: background var(--transition-fast),
    transform var(--transition-fast);
}
.links a:hover {
  transform: translateY(-2px);
}

@media (max-width: 720px) {
  .app-header {
    flex-wrap: wrap;
  }
  .nav {
    order: 3;
    width: 100%;
    justify-content: center;
  }
  .viewport {
    padding: var(--space-6) var(--space-4) var(--space-4);
  }
  .panel {
    padding: var(--space-4);
    align-items: flex-start;
  }
  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
  .logo {
    height: 28px;
  }
}

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

/* Print (hide everything) */
@media print {
  body {
    display: none;
  }
}