@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  color-scheme: light;
  --bg: #f4efe7;
  --bg-elevated: rgba(255, 252, 247, 0.82);
  --bg-strong: #fffdfa;
  --text: #14111f;
  --muted: #655d72;
  --line: rgba(20, 17, 31, 0.09);
  --accent: #4338ff;
  --accent-strong: #2013a7;
  --accent-soft: rgba(67, 56, 255, 0.11);
  --gold: #ff7447;
  --glow: rgba(255, 184, 115, 0.38);
  --shadow: 0 28px 90px rgba(24, 20, 55, 0.16);
  --radius: 24px;
  --radius-sm: 16px;
  --max: 1200px;
  --nav-height: 86px;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d0b18;
  --bg-elevated: rgba(19, 16, 35, 0.84);
  --bg-strong: #17122a;
  --text: #f4efff;
  --muted: #afa3cb;
  --line: rgba(237, 242, 251, 0.1);
  --accent: #8f87ff;
  --accent-strong: #ece9ff;
  --accent-soft: rgba(143, 135, 255, 0.16);
  --gold: #ff8d5f;
  --glow: rgba(255, 162, 116, 0.22);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 10%, rgba(67, 56, 255, 0.11), transparent 24%),
    radial-gradient(circle at 88% 9%, rgba(255, 116, 71, 0.12), transparent 22%),
    radial-gradient(circle at 52% 115%, var(--glow), transparent 32%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 94%, #ffffff 6%), color-mix(in srgb, var(--bg) 82%, #ddd5cb 18%));
  min-height: 100vh;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.28), transparent 75%);
  opacity: 0.2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.42), transparent 24%),
    radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.34), transparent 38%);
  opacity: 0.7;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--bg-strong);
  padding: 0.75rem 1rem;
  border-radius: 999px;
  z-index: 999;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
}

.nav-shell {
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand-mark {
  width: 2.6rem;
  aspect-ratio: 1;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  color: #fff;
  box-shadow: var(--shadow);
}

.nav-links,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-links a,
.theme-toggle,
.menu-toggle {
  border: 1px solid transparent;
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  color: var(--muted);
  transition: 180ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.theme-toggle:hover,
.menu-toggle:hover {
  color: var(--text);
  background: var(--accent-soft);
  border-color: var(--line);
}

.theme-toggle,
.menu-toggle {
  background: transparent;
  cursor: pointer;
}

.menu-toggle {
  display: none;
}

main {
  position: relative;
  z-index: 1;
}

section,
.page-section {
  padding: 5.5rem 0;
}

.eyebrow {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.eyebrow::before {
  content: "";
  width: 1.4rem;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3rem, 7vw, 6rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.75rem);
}

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

.lead {
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  max-width: 46rem;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1.4rem;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.hero {
  padding-top: 4rem;
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 1rem 0 auto;
  height: 500px;
  background:
    radial-gradient(circle at 14% 22%, rgba(67, 56, 255, 0.13), transparent 24%),
    radial-gradient(circle at 83% 8%, rgba(255, 116, 71, 0.14), transparent 20%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 55%);
  pointer-events: none;
}

.section-surface,
.section-accent-band {
  position: relative;
}

.section-surface::before,
.section-accent-band::before {
  content: none;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero-card,
.panel,
.timeline-item,
.faq-item,
.contact-card,
.project-card,
.stat-card,
.skill-card,
.testimonial-card {
  border: 1px solid var(--line);
  background: var(--bg-elevated);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-copy,
.hero-visual,
.panel-inner,
.contact-card,
.timeline-item,
.faq-item,
.project-card,
.stat-card,
.skill-card,
.testimonial-card {
  padding: 1.6rem;
}

.hero-actions,
.cta-row,
.chip-row,
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button,
.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 3rem;
  padding: 0.82rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.button {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong) 70%, color-mix(in srgb, var(--gold) 18%, var(--accent-strong)));
  box-shadow: 0 14px 34px color-mix(in srgb, var(--accent) 22%, transparent);
}

.button-secondary {
  background: var(--bg-strong);
  border: 1px solid var(--line);
}

.button-ghost {
  color: var(--muted);
  border: 1px solid var(--line);
}

.button:hover,
.button-secondary:hover,
.button-ghost:hover {
  transform: translateY(-2px);
}

.hero-metrics {
  margin-top: 1.5rem;
}

.metric {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: color-mix(in srgb, var(--bg-strong) 90%, transparent);
  border: 1px solid var(--line);
  min-width: 140px;
}

.metric strong,
.stat-card strong {
  display: block;
  font-size: 1.55rem;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

.hero-visual {
  position: relative;
  overflow: hidden;
  transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 180ms ease;
}

.hero-copy::before,
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(67, 56, 255, 0.34), rgba(255, 116, 71, 0.22), rgba(255, 255, 255, 0.06) 58%, transparent 78%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.orbital {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(143, 135, 255, 0.28), transparent 25%),
    radial-gradient(circle at 78% 18%, rgba(255, 141, 95, 0.22), transparent 20%),
    radial-gradient(circle at 65% 72%, rgba(67, 56, 255, 0.2), transparent 28%);
  background-position: var(--mx, 50%) var(--my, 50%);
}

.hero-diagram {
  position: relative;
  display: grid;
  gap: 1rem;
}

.interactive-stack {
  display: grid;
  gap: 0.9rem;
}

.diagram-node {
  padding: 1.1rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-strong) 94%, transparent);
}

.diagram-node small,
.chip,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  padding: 0.35rem 0.7rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 2rem;
}

.tab-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.tab-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-strong) 90%, transparent);
  color: var(--muted);
  border-radius: 999px;
  min-height: 4.2rem;
  padding: 0.68rem 1.6rem;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.05;
  text-align: center;
  transition: 180ms ease;
}

.tab-button:hover,
.tab-button.is-active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 38%, var(--line));
}

.tab-panel {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg-strong) 96%, transparent);
  border-radius: 20px;
  padding: 1.35rem 1.45rem;
}

.tab-panel strong {
  display: block;
  margin-bottom: 0.65rem;
  font-family: "Space Grotesk", sans-serif;
}

.project-card,
.testimonial-card,
.skill-card,
.stat-card {
  transition: transform 220ms ease, border-color 220ms ease;
}

.project-card:hover,
.testimonial-card:hover,
.skill-card:hover,
.stat-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.project-card[data-spotlight-button] {
  cursor: pointer;
  transform: perspective(1200px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
}

.card-visual {
  height: 180px;
  border-radius: 20px;
  margin-bottom: 1.1rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.2), transparent),
    linear-gradient(135deg, rgba(67, 56, 255, 0.88), rgba(255, 116, 71, 0.72));
  position: relative;
  overflow: hidden;
}

.card-visual::before {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.24), transparent 65%);
}

.card-visual::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.stack-list,
.list-clean {
  list-style: none;
  padding: 0;
  margin: 0;
}

.stack-list li,
.list-clean li {
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--line);
}

.stack-list li:last-child,
.list-clean li:last-child {
  border-bottom: 0;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  position: relative;
  overflow: hidden;
}

.timeline-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top right, rgba(67, 56, 255, 0.07), transparent 24%),
    radial-gradient(circle at bottom left, rgba(255, 116, 71, 0.07), transparent 24%);
  pointer-events: none;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 1.6rem;
  top: 1.6rem;
  bottom: 1.6rem;
  width: 1px;
  background: var(--line);
}

.timeline-item header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  margin-bottom: 1.35rem;
  position: relative;
  z-index: 1;
  align-items: start;
}

.timeline-item header > div {
  display: grid;
  gap: 0.8rem;
}

.timeline-item header h2 {
  font-size: clamp(2.8rem, 6vw, 5.3rem);
  line-height: 0.94;
  letter-spacing: -0.05em;
  margin-bottom: 0;
  max-width: 12ch;
  text-wrap: balance;
}

.timeline-item header p {
  max-width: 44rem;
  margin-bottom: 0;
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
}

.timeline-dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  margin-top: 0.45rem;
  background: linear-gradient(135deg, var(--accent), var(--gold));
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--accent-soft) 75%, transparent);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.resume-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.4rem;
}

.resume-grid aside .panel-inner,
.contact-card {
  display: grid;
  gap: 1.35rem;
}

.resume-grid aside .cta-row {
  display: grid;
  gap: 0.9rem;
}

.resume-grid aside .button,
.resume-grid aside .button-secondary {
  width: 100%;
}

.resume-sheet {
  min-height: 820px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg-strong) 95%, transparent), color-mix(in srgb, var(--bg-strong) 88%, transparent));
}

.project-detail-grid {
  margin-top: 1rem;
}

.spotlight-panel {
  margin-top: 2rem;
}

.case-tabs {
  display: grid;
  gap: 1rem;
}

.resume-highlights {
  display: grid;
  gap: 1.2rem;
}

.filter-card {
  transition: opacity 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.filter-card.is-hidden {
  display: none;
}

.feature-showcase .project-card:nth-child(2) {
  transform: translateY(24px);
}

.feature-showcase .project-card:nth-child(3) {
  transform: translateY(8px);
}

.feature-showcase .project-card:hover {
  transform: translateY(-8px);
}

.resume-sheet .panel-inner {
  display: grid;
  gap: 1.3rem;
}

.resume-section + .resume-section {
  border-top: 1px solid var(--line);
  padding-top: 1.2rem;
}

.resume-section h3,
.contact-card h2,
.contact-card h3 {
  margin-bottom: 0.8rem;
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.05rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.4rem;
}

.social-links {
  display: grid;
  gap: 0.85rem;
}

.social-links a {
  width: fit-content;
  max-width: 100%;
}

form {
  display: grid;
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.45rem;
  color: var(--text);
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 0.95rem 1rem;
  color: var(--text);
  background: color-mix(in srgb, var(--bg-strong) 92%, transparent);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
}

.footer-minimal {
  display: flex;
  justify-content: center;
  text-align: center;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

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

.page-hero {
  padding-top: 3.2rem;
}

.error-layout {
  min-height: calc(100vh - var(--nav-height) - 180px);
  display: grid;
  place-items: center;
  text-align: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  min-height: 5.5rem;
  padding: 0.9rem 1.7rem;
}

@media (max-width: 1040px) {
  .hero-layout,
  .resume-grid,
  .contact-grid,
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .timeline-item header h2 {
    max-width: none;
  }

  .section-surface::before,
  .section-accent-band::before {
    inset: 1.2rem 0.4rem;
  }
}

@media (max-width: 860px) {
  .nav-shell {
    flex-wrap: wrap;
    padding: 1rem 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .nav-links {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: 0.5rem;
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    width: 100%;
    text-align: center;
  }

  .section-head,
  .footer-grid {
    align-items: start;
    flex-direction: column;
  }

  .tab-controls {
    gap: 0.6rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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