:root {
  color-scheme: dark;
  --font-heading: "Poppins", "Segoe UI", sans-serif;
  --font-body: "Poppins", "Segoe UI", sans-serif;

  --bg: #080f1d;
  --bg-elev: #111a2f;
  --surface: rgba(17, 26, 47, 0.86);
  --surface-strong: #15223d;
  --text: #f3f7ff;
  --muted: #9aacc8;
  --stroke: rgba(185, 202, 230, 0.22);
  --shadow: 0 28px 60px rgba(2, 8, 23, 0.45);

  --accent: #ff6b6b;
  --accent-2: #ffd166;
  --accent-3: #06d6a0;

  --radius-lg: 26px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --space: clamp(1rem, 0.8rem + 1vw, 1.75rem);
  --container: min(1140px, 92vw);

  --transition: 220ms ease;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #080f1d;
  --bg-elev: #111a2f;
  --surface: rgba(17, 26, 47, 0.86);
  --surface-strong: #15223d;
  --text: #f3f7ff;
  --muted: #9aacc8;
  --stroke: rgba(185, 202, 230, 0.22);
  --shadow: 0 28px 60px rgba(2, 8, 23, 0.45);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f6fc;
  --bg-elev: #ffffff;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: #0f1b2d;
  --muted: #4a5a75;
  --stroke: rgba(15, 23, 42, 0.14);
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.14);
}

html[data-theme="pro"] {
  color-scheme: dark;
  --bg: #0d121e;
  --bg-elev: #121827;
  --surface: rgba(18, 24, 39, 0.9);
  --surface-strong: #192338;
  --text: #edf2ff;
  --muted: #a2b1c7;
  --stroke: rgba(195, 211, 236, 0.2);
  --shadow: 0 26px 56px rgba(0, 5, 15, 0.48);
}

html[data-palette="sunset"] {
  --accent: #ff6b6b;
  --accent-2: #ffd166;
  --accent-3: #06d6a0;
}

html[data-palette="ocean"] {
  --accent: #22d3ee;
  --accent-2: #34d399;
  --accent-3: #14b8a6;
}

html[data-palette="vibrant"] {
  --accent: #f43f5e;
  --accent-2: #fb7185;
  --accent-3: #f59e0b;
}

html[data-palette="pastel"] {
  --accent: #93c5fd;
  --accent-2: #f9a8d4;
  --accent-3: #86efac;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  position: relative;
  min-height: 100vh;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  z-index: -1;
  filter: blur(22px);
  pointer-events: none;
}

body::before {
  width: 34vw;
  height: 34vw;
  top: -6vw;
  left: -8vw;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 45%, transparent) 0%, transparent 70%);
}

body::after {
  width: 38vw;
  height: 38vw;
  right: -10vw;
  bottom: -12vw;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent-3) 45%, transparent) 0%, transparent 70%);
}

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

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  border: 1px solid var(--stroke);
  z-index: 9999;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--stroke);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 800;
  font-family: var(--font-heading);
  letter-spacing: 0.2px;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 42%, transparent);
}

.main-nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.3rem;
}

.main-nav a {
  display: inline-flex;
  text-decoration: none;
  font-weight: 600;
  color: var(--muted);
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  transition: color var(--transition), background-color var(--transition);
}

.main-nav a:hover,
.main-nav a:focus-visible,
.main-nav a.active {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--stroke);
  background: transparent;
  padding: 8px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.section {
  padding: clamp(4rem, 3rem + 4vw, 7rem) 0;
}

.section.alt {
  background: color-mix(in srgb, var(--surface-strong) 38%, transparent);
  border-block: 1px solid var(--stroke);
}

.eyebrow {
  margin: 0 0 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-2);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  line-height: 1.15;
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 1.35rem + 2.8vw, 3.55rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.6rem, 1.15rem + 1.8vw, 2.6rem);
}

h3 {
  font-size: clamp(1.05rem, 0.98rem + 0.5vw, 1.35rem);
}

.lead {
  margin-top: 1.2rem;
  color: var(--muted);
  max-width: 56ch;
}

.hero {
  padding-top: clamp(4.5rem, 3.5rem + 4vw, 7.5rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.3rem, 1rem + 2vw, 2.4rem);
  align-items: start;
}

.cta-group {
  margin-top: 1.7rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0f0f17;
  box-shadow: 0 14px 30px color-mix(in srgb, var(--accent) 40%, transparent);
}

.btn-ghost {
  color: var(--text);
  border-color: var(--stroke);
  background: transparent;
}

.metric-list {
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.metric-list li {
  padding: 0.9rem 1rem;
  border: 1px solid var(--stroke);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface) 85%, transparent);
}

.metric-list strong {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--accent-2);
}

.metric-list span {
  color: var(--muted);
  font-size: 0.9rem;
}

.hero-showcase {
  display: grid;
  gap: 1rem;
}

.profile-card,
.theme-lab,
.skill-card,
.project-card,
.contact-form {
  border-radius: var(--radius-lg);
  border: 1px solid var(--stroke);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.profile-card {
  overflow: hidden;
}

.profile-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.profile-content {
  padding: 1.1rem 1.2rem 1.4rem;
}

.profile-role {
  margin: 0;
  color: var(--accent-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.73rem;
  font-weight: 700;
}

.profile-content h2 {
  font-size: 1.35rem;
  margin-top: 0.3rem;
}

.profile-content p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.theme-lab {
  padding: 1.15rem;
}

.theme-lab h3 {
  margin-bottom: 0.2rem;
}

.subtle {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.theme-buttons {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.chip,
.table-btn {
  border: 1px solid var(--stroke);
  border-radius: 999px;
  padding: 0.48rem 0.9rem;
  background: color-mix(in srgb, var(--surface-strong) 62%, transparent);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition);
}

.chip:hover,
.chip:focus-visible,
.table-btn:hover,
.table-btn:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--accent) 58%, var(--stroke));
}

.chip.is-active,
.table-btn.is-active {
  background: color-mix(in srgb, var(--accent) 28%, var(--surface-strong));
  border-color: color-mix(in srgb, var(--accent) 68%, var(--stroke));
}

.table-wrap {
  margin-top: 0.95rem;
  overflow-x: auto;
}

.color-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 0.94rem;
}

.color-table caption {
  text-align: left;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.55rem;
}

.color-table th,
.color-table td {
  border-bottom: 1px solid var(--stroke);
  text-align: left;
  padding: 0.55rem 0.45rem;
}

.color-table th {
  color: var(--text);
}

.swatches {
  display: inline-flex;
  gap: 0.35rem;
}

.swatches span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-block;
  background: var(--sw);
  border: 1px solid rgba(0, 0, 0, 0.18);
}

.sw-sunset-1 {
  --sw: #ff6b6b;
}

.sw-sunset-2 {
  --sw: #ffd166;
}

.sw-sunset-3 {
  --sw: #06d6a0;
}

.sw-ocean-1 {
  --sw: #22d3ee;
}

.sw-ocean-2 {
  --sw: #34d399;
}

.sw-ocean-3 {
  --sw: #14b8a6;
}

.sw-vibrant-1 {
  --sw: #f43f5e;
}

.sw-vibrant-2 {
  --sw: #fb7185;
}

.sw-vibrant-3 {
  --sw: #f59e0b;
}

.sw-pastel-1 {
  --sw: #93c5fd;
}

.sw-pastel-2 {
  --sw: #f9a8d4;
}

.sw-pastel-3 {
  --sw: #86efac;
}

.live-preview {
  margin-top: 0.95rem;
  padding: 0.75rem;
  border: 1px dashed color-mix(in srgb, var(--accent) 40%, var(--stroke));
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--surface-strong) 66%, transparent);
}

.preview-label {
  margin: 0 0 0.55rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.preview-window {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--stroke);
}

.preview-topbar {
  height: 10px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3));
}

.preview-hero {
  display: grid;
  gap: 0.48rem;
  padding: 0.78rem;
  background: var(--bg-elev);
}

.preview-hero span {
  display: block;
  height: 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 35%, transparent);
}

.preview-hero span:nth-child(2) {
  width: 70%;
}

.preview-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  padding: 0.78rem;
  background: color-mix(in srgb, var(--surface) 85%, transparent);
}

.preview-cards i {
  display: block;
  height: 35px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-3) 33%, transparent);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1rem, 0.7rem + 2vw, 2rem);
  align-items: start;
}

.about-copy p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.check-list li {
  position: relative;
  padding-left: 1.4rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
}

.skills-grid {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.skill-card {
  padding: 1rem;
}

.skill-card h3 {
  margin-bottom: 0.45rem;
}

.skill-card p {
  margin: 0;
  color: var(--muted);
}

.projects-grid {
  margin-top: 1.3rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  overflow: hidden;
}

.project-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.project-body {
  padding: 1rem;
}

.project-body p {
  color: var(--muted);
  margin: 0.5rem 0 0.75rem;
}

.project-body a {
  color: var(--accent-2);
  text-decoration-thickness: 2px;
  font-weight: 700;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: start;
}

.contact-list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.contact-form {
  padding: 1rem;
  display: grid;
  gap: 0.65rem;
}

.contact-form label {
  font-weight: 700;
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--bg-elev) 80%, white 8%);
  color: var(--text);
  border-radius: 12px;
  padding: 0.68rem 0.74rem;
  font: inherit;
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible,
.btn:focus-visible,
.chip:focus-visible,
.table-btn:focus-visible,
.main-nav a:focus-visible,
.menu-toggle:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-2) 52%, transparent);
  outline-offset: 2px;
}

.form-feedback {
  min-height: 1.3em;
  margin: 0.2rem 0 0;
  color: var(--accent-3);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--stroke);
  padding: 1.1rem 0 1.5rem;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.footer-grid p {
  margin: 0;
  color: var(--muted);
}

.social-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.social-links a {
  text-decoration: none;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--stroke);
  border-radius: 999px;
  padding: 0.45rem 0.75rem;
}

.social-links a:hover,
.social-links a:focus-visible {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 20%, transparent);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 500ms ease, transform 500ms ease;
}

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

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: 320px;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: color-mix(in srgb, var(--surface-strong) 85%, transparent);
  color: var(--text);
  padding: 0.8rem 0.95rem;
  box-shadow: var(--shadow);
  z-index: 980;
}

@media (max-width: 1080px) {
  .hero-grid,
  .split,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .metric-list,
  .skills-grid,
  .projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .menu-toggle {
    display: inline-block;
  }

  .main-nav {
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    width: var(--container);
    margin: 0 auto;
    border: 1px solid var(--stroke);
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface-strong) 92%, transparent);
    box-shadow: var(--shadow);
    padding: 0.5rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: max-height var(--transition), opacity var(--transition), transform var(--transition);
  }

  .main-nav ul {
    flex-direction: column;
  }

  .site-header.nav-open .main-nav {
    max-height: 300px;
    opacity: 1;
    transform: translateY(0);
  }

  .site-header.nav-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.nav-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.nav-open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 640px) {
  .metric-list,
  .skills-grid,
  .projects-grid,
  .preview-cards {
    grid-template-columns: 1fr;
  }

  .btn,
  .chip,
  .table-btn {
    width: 100%;
  }

  .cta-group {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

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