:root {
  --bg: #f5f7fb;
  --bg-elevated: rgba(255, 255, 255, 0.96);
  --panel: rgba(255, 255, 255, 0.98);
  --text: #1e293b;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.12);
  --line: rgba(148, 163, 184, 0.28);
  --shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --transition: 220ms ease;
  --font-display: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.theme-dark {
  --bg: #0f172a;
  --bg-elevated: rgba(18, 27, 44, 0.92);
  --panel: rgba(20, 32, 55, 0.92);
  --text: #f8fafc;
  --muted: #b8c2d8;
  --accent: #4f6ef2;
  --accent-strong: #3c5de5;
  --accent-soft: rgba(79, 110, 242, 0.14);
  --line: rgba(148, 163, 184, 0.16);
  --shadow: 0 18px 36px rgba(12, 18, 38, 0.4);
}

* {
  box-sizing: border-box;
}

*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 16px;
  line-height: 1.7;
  color: var(--muted);
}

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

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

.bg-noise {
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1600' height='1600' viewBox='0 0 1600 1600'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='1600' height='1600' filter='url(%23n)' opacity='0.12'/%3E%3C/svg%3E") center/cover;
  mix-blend-mode: multiply;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--line);
}

.site-header.is-scrolled {
  background: var(--bg-elevated);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.menu {
  display: flex;
  align-items: center;
  gap: 22px;
}

.menu-link {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color var(--transition);
}

.menu-link:hover,
.menu-link.is-active {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: var(--panel);  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 10px;
  transition: background var(--transition);
}

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

.nav-cta {
  margin-left: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 22px rgba(60, 93, 229, 0.3);
}

.btn:active {
  transform: translateY(0);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.85rem;
}

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(37, 99, 235, 0.4);
  box-shadow: none;
}

.btn.ghost:hover {
  background: var(--accent-soft);
  transform: translateY(-2px);
}

.hero {
  padding: 120px 0 60px;
}

.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.hero-content h1 {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin-bottom: 22px;
}

.hero-content p {
  font-size: 1.05rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 18px 0 28px;
}

.hero-tags li {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-visual {
  position: relative;
}

.portrait {
  margin: 0;
  position: relative;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(37, 99, 235, 0.1), rgba(255, 255, 255, 0.95));
  box-shadow: var(--shadow);
}

.portrait img {
  border-radius: var(--radius-md);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.floating-card {
  position: absolute;
  bottom: -32px;
  right: 24px;
  background: var(--panel);  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow);
  max-width: 220px;
}

.floating-card .label {
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: block;
}

.floating-card .metric {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 8px 0 6px;
}

.hero-highlights {
  margin-top: 96px;
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.hero-highlights article {
  padding: 24px;
  border-radius: var(--radius-md);
  background: var(--panel);  border: 1px solid var(--line);
  transition: transform var(--transition), border-color var(--transition);
}

.hero-highlights article:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.section {
  padding: 120px 0 60px;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 60px;
  text-align: center;
}

.section-header p {
  color: var(--muted);
}

.filter-group {
  display: inline-flex;
  margin-top: 24px;
  border-radius: 999px;
  background: var(--panel);
  padding: 6px;
  border: 1px solid var(--line);
  gap: 6px;
}

.filter-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.filter-btn.is-active {
  background: var(--accent);
  color: #ffffff;
}

.about-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.about-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  min-height: 100%;
}

.about-card ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  color: var(--muted);
}

.about-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line);
}

.timeline-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 16px;
  margin-bottom: 26px;
}

.timeline-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
}

.timeline-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.timeline-desc {
  margin: 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.tools-grid span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.01em;
}

.projects-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.project-card {
  background: var(--panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow);
}



.project-media {
  position: relative;
  overflow: hidden;
}

.project-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.project-card:hover .project-cover,
.project-card:focus-within .project-cover {
  transform: scale(1.03);
}

.project-preview {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  overflow: hidden;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  background: rgba(15, 23, 42, 0.08);
}

.project-card:hover .project-preview,
.project-card:focus-within .project-preview {
  opacity: 1;
}

.project-preview video,
.project-preview img,
.project-preview iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: inherit;
}

.project-preview iframe {
  border: 0;
}

.project-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.32), transparent 62%);
}

.project-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
}

.project-tags li {
  font-size: 0.85rem;
  background: rgba(148, 163, 184, 0.12);
  padding: 8px 12px;
  border-radius: 999px;
}

.project-actions {
  display: flex;
  gap: 12px;
}

.resume-grid {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.resume-card {
  background: var(--panel);  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  min-height: 100%;
}

.resume-card strong {
  color: var(--text);
}

.resume-card ul li {
  margin-bottom: 12px;
  color: var(--muted);
}

.resume-cta {
  margin-top: 48px;
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.testimonials {
  position: relative;
}

.testimonial-track {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.testimonial-card {
  padding: 32px;
  background: var(--panel);  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(79, 110, 242, 0.18), transparent 55%);
  pointer-events: none;
}

.testimonial-card p {
  color: var(--text);
  font-size: 1.05rem;
  line-height: 1.6;
}

.testimonial-card .author {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.contact-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
}

.contact-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.contact-list li {
  color: var(--muted);
  margin-bottom: 10px;
}

.site-footer {
  padding: 80px 0 60px;
  background: #e2e8f0;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.footer-meta p {
  margin: 0 0 8px;
  color: var(--muted);
}

.footer-meta span {
  display: block;
}

.site-footer .brand {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.case-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 20;
}

.case-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
}

.case-dialog {
  position: relative;
  width: min(720px, 92vw);
  background: var(--panel);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 36px;
  box-shadow: var(--shadow);
  max-height: 80vh;
  overflow-y: auto;
}

.case-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

.case-modal[hidden] {
  display: none;
}

[data-animate] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 480ms ease, transform 480ms ease;
  transition-delay: 0ms;
}


[data-animate="scale-in"] {
  transform: scale(0.96);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .menu {
    position: absolute;
    top: 100%;
    right: 4vw;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    border-radius: var(--radius-md);
    background: var(--panel);
    border: 1px solid var(--line);
    min-width: 220px;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity var(--transition), transform var(--transition);
  }

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

  .nav-cta {
    width: 100%;
  }

  .hero {
    padding-top: 90px;
  }

  .floating-card {
    position: relative;
    bottom: auto;
    right: auto;
    margin-top: 18px;
  }

  .hero-highlights {
    margin-top: 64px;
  }
}

@media (max-width: 640px) {
  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .filter-group {
    flex-wrap: wrap;
    justify-content: center;
  }

  .testimonial-track {
    grid-template-columns: 1fr;
  }
}






.project-empty {
  text-align: center;
  color: var(--muted);
}

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

.project-actions .btn {
  position: relative;
  padding-inline: 18px 22px;
  gap: 6px;
  box-shadow: 0 12px 22px rgba(37, 99, 235, 0.2);
}

.project-actions .btn::after {
  content: "\2197";
  font-size: 0.85em;
  line-height: 1;
  transform: translateY(1px);
}

.project-actions .btn.ghost {
  border-color: rgba(37, 99, 235, 0.4);
}

.project-actions .btn.ghost::after {
  color: var(--accent);
}

.project-tags li {
  background: rgba(148, 163, 184, 0.16);
}

.social-links {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.social-links a {
  color: var(--accent-strong);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.social-links a::before {
  content: "\2022";
  font-size: 0.5rem;
  transform: translateY(2px);
}