:root {
  --bg: #06060f;
  --bg-alt: #0e1024;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --accent: #6c63ff;
  --accent-soft: rgba(108, 99, 255, 0.2);
  --text: #f5f5fa;
  --muted: #b9bad4;
  --outline: rgba(255, 255, 255, 0.08);
  --gradient: linear-gradient(135deg, #6c63ff 0%, #bb86fc 45%, #ff6584 100%);
  --rainbow: linear-gradient(
    90deg,
    #ff0080 0%,
    #ff8c00 20%,
    #ffee00 40%,
    #4de94c 60%,
    #3795ff 80%,
    #9d4edd 100%
  );
  --shadow: 0 20px 60px rgba(15, 11, 48, 0.55);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --transition: 240ms cubic-bezier(0.22, 1, 0.36, 1);
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at top left, rgba(108, 99, 255, 0.2), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(55, 149, 255, 0.25), transparent 45%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body.font-space-grotesk {
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Manrope', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.font-inter {
  --font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

body.font-instrument-sans {
  --font-heading: 'Instrument Sans', 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Instrument Sans', 'Inter', 'Segoe UI', system-ui, sans-serif;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
  mix-blend-mode: screen;
  opacity: 0.6;
  z-index: -1;
}

.noise {
  pointer-events: none;
  position: fixed;
  inset: -200px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 40 40'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='.08'%3E%3Cpath d='M0 0h20v20H0zM20 20h20v20H20z'/%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.4;
  animation: drift 20s linear infinite;
  z-index: 0;
}

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0) scale(1.05);
  }
  to {
    transform: translate3d(-10%, -10%, 0) scale(1.1);
  }
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 3rem;
  align-items: center;
  padding: 120px clamp(1.5rem, 5vw, 6rem) 80px;
  overflow: hidden;
}

.nav {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1080px, calc(100% - 3rem));
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: rgba(6, 6, 15, 0.6);
  border: 1px solid var(--outline);
  border-radius: 999px;
  backdrop-filter: blur(16px);
  z-index: 10;
  transition: background var(--transition), border-color var(--transition);
}

.nav.is-scrolled {
  background: rgba(6, 6, 20, 0.88);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 46px rgba(6, 6, 25, 0.35);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.06);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 999px;
}

.nav-toggle.is-active {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition), transform var(--transition);
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
}

.nav-links a:hover::after,
.nav-links a:focus::after {
  transform: scaleX(1);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 1.5rem;
}

.rainbow {
  background: var(--rainbow);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 36rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  cursor: pointer;
}

.btn-primary {
  background: var(--gradient);
  color: var(--text);
  box-shadow: 0 12px 30px rgba(108, 99, 255, 0.35);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(108, 99, 255, 0.45);
}

.btn-secondary {
  border: 1px solid var(--outline);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  min-height: 360px;
}

.hero-visual .orb {
  position: absolute;
  inset: 0;
  margin: auto;
  width: clamp(260px, 40vw, 420px);
  height: clamp(260px, 40vw, 420px);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.8), rgba(108, 99, 255, 0.1));
  filter: blur(0px);
  box-shadow: 0 40px 120px rgba(108, 99, 255, 0.45);
}

.hero-visual .glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(circle at 65% 20%, rgba(255, 101, 132, 0.55), transparent 60%);
  opacity: 0.8;
  filter: blur(12px);
  transform: rotate(15deg);
}

.hero-visual .grid {
  position: absolute;
  inset: 20% 10% 10% 20%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(22px);
  overflow: hidden;
}

.hero-visual .grid::before {
  content: "";
  position: absolute;
  inset: -30% 10% 10% -40%;
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.05) 0,
    rgba(255, 255, 255, 0.05) 1px,
    transparent 1px,
    transparent 16px
  );
  animation: slide 20s linear infinite;
}

@keyframes slide {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(20%, 20%, 0);
  }
}

.section {
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) clamp(1.5rem, 5vw, 6rem);
  max-width: 1180px;
  margin: 0 auto;
}

.section + .section {
  margin-top: clamp(2rem, 6vw, 4rem);
}

.section-heading {
  max-width: 620px;
  margin-bottom: 2.5rem;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.section-eyebrow::before {
  content: "";
  width: 36px;
  height: 2px;
  background: var(--gradient);
  border-radius: 999px;
}

.section h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 1rem 0 0;
}

.section p {
  color: var(--muted);
  font-size: 1.05rem;
}

.section-content {
  display: grid;
  gap: 2rem;
  max-width: 860px;
}

.about-paragraphs {
  display: grid;
  gap: 1rem;
}

.bio-cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.bio-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  box-shadow: 0 12px 30px rgba(9, 10, 30, 0.35);
  backdrop-filter: blur(14px);
  transition: transform var(--transition), border-color var(--transition);
}

.bio-card:hover,
.bio-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
}

.stack-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 12px 30px rgba(9, 10, 30, 0.35);
  transition: transform var(--transition), border-color var(--transition);
}

.stack-card h3 {
  margin-top: 0;
  margin-bottom: 1.25rem;
  font-family: var(--font-heading);
  font-size: 1.3rem;
}

.stack-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 1rem;
}

.stack-card:hover,
.stack-card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
}

.projects-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-card {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 2.25rem;
  overflow: hidden;
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 45px rgba(6, 6, 25, 0.45);
  transition: transform var(--transition), border-color var(--transition);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: auto -40% -40% auto;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: var(--accent-soft);
  filter: blur(0);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}

.project-card:hover,
.project-card:focus-within {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.18);
}

.project-card:hover::after,
.project-card:focus-within::after {
  opacity: 1;
  transform: translate3d(20px, 20px, 0);
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1.5rem;
}

.project-card h3 {
  font-size: 1.6rem;
  margin: 0 0 1rem;
  font-family: var(--font-heading);
}

.project-card p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.project-link {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.project-link::after {
  content: "→";
  font-size: 1.2rem;
  transition: transform var(--transition);
}

.project-link:hover::after,
.project-link:focus::after {
  transform: translateX(4px);
}

.contact {
  padding-bottom: clamp(6rem, 12vw, 10rem);
}

.contact-wrapper {
  background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(255, 101, 132, 0.18));
  border-radius: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: clamp(2.5rem, 6vw, 4.5rem);
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  box-shadow: 0 30px 70px rgba(6, 6, 25, 0.45);
}

.contact-form {
  display: grid;
  gap: 1.5rem;
}

.contact-form .form-message {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  transition: color var(--transition);
}

.contact-form .form-message.success {
  color: #88f0ce;
}

.contact-form .form-message.error {
  color: #ff9cae;
}

.form-group {
  display: grid;
  gap: 0.6rem;
}

label {
  font-weight: 600;
}

input,
textarea {
  font: inherit;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(6, 6, 20, 0.55);
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 4px rgba(108, 99, 255, 0.2);
}

textarea {
  resize: vertical;
}

.footer {
  text-align: center;
  padding: 3rem 1.5rem 4rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
}

.js .reveal {
  opacity: 0;
  transform: translateY(60px);
}

@media (max-width: 900px) {
  .nav {
    border-radius: 24px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 96px;
    right: 24px;
    padding: 1.5rem;
    flex-direction: column;
    gap: 1rem;
    background: rgba(6, 6, 15, 0.9);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
    transform-origin: top right;
    transform: scale(0.9) translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition), transform var(--transition);
  }

  body.theme-minimal .nav-links {
    background: #0b0b0b;
    border: 1px solid #1d1d1d;
    box-shadow: none;
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1) translateY(0);
  }
}

/* Minimal theme overrides */
body.theme-minimal {
  --bg: #050505;
  --bg-alt: #0a0a0a;
  --surface: #101010;
  --surface-strong: #141414;
  --accent: #f5f5f5;
  --accent-soft: rgba(255, 255, 255, 0.08);
  --text: #f5f5f5;
  --muted: #b0b0b0;
  --outline: #1f1f1f;
  --gradient: linear-gradient(90deg, #2a2a2a 0%, #404040 100%);
  --shadow: none;
  background: #050505;
  color: var(--text);
}

body.theme-minimal::after {
  display: none;
}

body.theme-minimal .noise {
  display: none;
}

body.theme-minimal .nav {
  background: #0b0b0b;
  border: 1px solid #1d1d1d;
  box-shadow: none;
  backdrop-filter: none;
}

body.theme-minimal .nav.is-scrolled {
  background: #0b0b0b;
  border-color: #262626;
  box-shadow: none;
}

body.theme-minimal .nav-links li a {
  color: var(--muted);
}

body.theme-minimal .nav-links li a:hover,
body.theme-minimal .nav-links li a:focus {
  color: var(--text);
}

body.theme-minimal .nav-toggle {
  background: #111111;
  border-color: #1d1d1d;
}

body.theme-minimal .nav-links {
  background: transparent;
}

body.theme-minimal .hero {
  padding: 140px clamp(1.5rem, 6vw, 5rem) 120px;
}

body.theme-minimal .hero-visual {
  display: none;
}

body.theme-minimal .hero-actions {
  gap: 1rem;
}

body.theme-minimal .section {
  background: #0b0b0b;
  border: 1px solid #1d1d1d;
  border-radius: 20px;
  padding: clamp(3.5rem, 7vw, 5rem) clamp(1.5rem, 4vw, 4rem);
  box-shadow: none;
}

body.theme-minimal .section + .section {
  margin-top: clamp(2rem, 5vw, 3rem);
}

body.theme-minimal .section-eyebrow {
  color: var(--muted);
}

body.theme-minimal .section-eyebrow::before {
  background: #1f1f1f;
}

body.theme-minimal .section p {
  color: var(--muted);
}

body.theme-minimal .bio-card,
body.theme-minimal .stack-card,
body.theme-minimal .project-card,
body.theme-minimal .contact-wrapper,
body.theme-minimal .contact-form {
  background: #111111;
  border: 1px solid #1f1f1f;
  box-shadow: none;
}

body.theme-minimal .bio-card:hover,
body.theme-minimal .bio-card:focus-within {
  transform: translateY(-4px);
  border-color: #2a2a2a;
}

body.theme-minimal .stack-card:hover,
body.theme-minimal .stack-card:focus-within {
  transform: translateY(-4px);
  border-color: #2a2a2a;
}

body.theme-minimal .project-card::after {
  display: none;
}

body.theme-minimal .project-card .tag {
  background: #1a1a1a;
  color: #d8d8d8;
}

body.theme-minimal .project-card .project-link {
  color: var(--text);
}

body.theme-minimal .project-meta {
  color: #787878;
}

body.theme-minimal .project-card:hover,
body.theme-minimal .project-card:focus-within {
  transform: translateY(-4px);
  border-color: #2a2a2a;
}

body.theme-minimal .btn-primary {
  background: #f5f5f5;
  color: #050505;
  box-shadow: none;
}

body.theme-minimal .btn-primary:hover,
body.theme-minimal .btn-primary:focus {
  transform: none;
  background: #dcdcdc;
}

body.theme-minimal .btn-secondary {
  background: transparent;
  border-color: #2a2a2a;
  color: var(--muted);
}

body.theme-minimal .btn-secondary:hover,
body.theme-minimal .btn-secondary:focus {
  background: #141414;
  color: var(--text);
  transform: none;
}

body.theme-minimal .contact-wrapper {
  border-radius: 20px;
  display: grid;
  gap: 2rem;
  align-items: flex-start;
}

body.theme-minimal .contact-form input,
body.theme-minimal .contact-form textarea {
  background: #0d0d0d;
  border: 1px solid #1f1f1f;
  color: var(--text);
}

body.theme-minimal .contact-form input:focus,
body.theme-minimal .contact-form textarea:focus {
  border-color: #2f2f2f;
  box-shadow: none;
}

body.theme-minimal .footer {
  border-top: 1px solid #1d1d1d;
  background: transparent;
  color: #a0a0a0;
}

@media (max-width: 720px) {
  .hero {
    padding: 160px 1.5rem 100px;
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 280px;
  }

  .hero-actions {
    width: 100%;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: clamp(4rem, 12vw, 6rem) 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}