:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3fb;
  --text: #1f2a37;
  --muted: #5b6574;
  --line: #d8e0ec;
  --primary: #2f6fed;
  --primary-soft: #e6efff;
  --accent: #1ea7a8;
  --accent-soft: #e2f6f7;
  --warm: #f39a6b;
  --radius: 14px;
  --radius-sm: 10px;
  --container: min(1120px, 92vw);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 420px at -12% -8%, rgba(47, 111, 237, 0.14), transparent 60%),
    radial-gradient(760px 360px at 112% -10%, rgba(30, 167, 168, 0.13), transparent 62%),
    radial-gradient(840px 380px at 52% 118%, rgba(243, 154, 107, 0.11), transparent 64%),
    radial-gradient(700px 300px at 50% -12%, rgba(47, 111, 237, 0.07), transparent 60%),
    var(--bg);
  line-height: 1.62;
}

body.tone-home {
  --tone-primary: 47, 111, 237;
  --tone-secondary: 30, 167, 168;
  --tone-tertiary: 243, 154, 107;
}

body.tone-about {
  --tone-primary: 31, 113, 145;
  --tone-secondary: 35, 157, 125;
  --tone-tertiary: 243, 170, 116;
}

body.tone-work {
  --tone-primary: 54, 91, 204;
  --tone-secondary: 26, 150, 150;
  --tone-tertiary: 232, 150, 102;
}

body.tone-resume {
  --tone-primary: 36, 94, 176;
  --tone-secondary: 32, 130, 164;
  --tone-tertiary: 211, 152, 103;
}

body.accented-page {
  --tone-ink: #1f3550;
  --tone-muted: #3f5875;
  background:
    radial-gradient(1040px 500px at -10% -10%, rgba(var(--tone-primary), 0.22), transparent 62%),
    radial-gradient(920px 420px at 110% -10%, rgba(var(--tone-secondary), 0.2), transparent 62%),
    radial-gradient(960px 420px at 52% 120%, rgba(var(--tone-tertiary), 0.16), transparent 64%),
    linear-gradient(180deg, #edf4ff 0%, #e9f1fb 100%);
}

body.accented-page .hero,
body.accented-page .page-hero {
  background:
    radial-gradient(900px 320px at 8% -10%, rgba(var(--tone-primary), 0.2), transparent 62%),
    radial-gradient(820px 260px at 96% 12%, rgba(var(--tone-secondary), 0.18), transparent 64%),
    radial-gradient(680px 220px at 50% -8%, rgba(var(--tone-tertiary), 0.13), transparent 64%),
    linear-gradient(180deg, #edf4ff 0%, #e8f1fd 100%);
  border-bottom: 1px solid rgba(var(--tone-primary), 0.22);
}

body.accented-page .section-title,
body.accented-page .hero-title,
body.accented-page .page-hero h1 {
  color: var(--tone-ink);
}

body.accented-page .section-intro,
body.accented-page .hero-sub,
body.accented-page .project-summary,
body.accented-page .timeline-meta,
body.accented-page .project-meta,
body.accented-page .stat-label {
  color: var(--tone-muted);
}

body.accented-page .section-title {
  position: relative;
  padding-left: 0.85rem;
}

body.accented-page .section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 4px;
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    rgba(var(--tone-primary), 0.9) 0%,
    rgba(var(--tone-secondary), 0.9) 55%,
    rgba(var(--tone-tertiary), 0.9) 100%
  );
}

body.accented-page .card {
  background:
    linear-gradient(
      165deg,
      rgba(255, 255, 255, 0.62) 0%,
      rgba(var(--tone-primary), 0.11) 52%,
      rgba(var(--tone-secondary), 0.1) 100%
    );
  border-color: rgba(var(--tone-primary), 0.28);
  box-shadow: 0 9px 24px rgba(var(--tone-primary), 0.07);
}

body.accented-page .hero-panel {
  background:
    linear-gradient(
      180deg,
      rgba(var(--tone-primary), 0.12) 0%,
      rgba(var(--tone-secondary), 0.12) 100%
    );
}

body.accented-page .hero-item,
body.accented-page .pill,
body.accented-page .filter-btn,
body.accented-page .search-input,
body.accented-page .page-btn {
  border-color: rgba(var(--tone-primary), 0.26);
  background: rgba(var(--tone-primary), 0.1);
}

body.accented-page .pill-muted {
  background: rgba(var(--tone-secondary), 0.11);
}

body.accented-page .feature-thumb,
body.accented-page .project-thumb {
  border-color: rgba(var(--tone-primary), 0.24);
  background: rgba(var(--tone-primary), 0.14);
}

body.accented-page .timeline-item li,
body.accented-page .skills-card li,
body.accented-page .highlight-list li {
  color: #1f3550;
}

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

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

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

.mono {
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

.tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #cbdcff;
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  padding: 4.25rem 0;
}

.section-tight {
  padding: 2.75rem 0;
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 2.8vw, 2.65rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-intro {
  margin: 0;
  max-width: 760px;
  color: var(--muted);
  font-size: 1.03rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244, 247, 251, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.02rem;
}

.brand-block {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  display: inline-grid;
  place-content: center;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 0.48rem 0.8rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  border-radius: 10px;
  padding: 0.5rem 0.78rem;
  font-size: 0.92rem;
  color: #334155;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  background: var(--surface-alt);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
}

.hero {
  padding: 4.2rem 0 3.35rem;
  background:
    radial-gradient(780px 280px at 8% 0%, rgba(47, 111, 237, 0.15), transparent 60%),
    radial-gradient(760px 260px at 92% 16%, rgba(30, 167, 168, 0.13), transparent 62%),
    linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%),
    repeating-linear-gradient(
      45deg,
      rgba(47, 111, 237, 0.034) 0,
      rgba(47, 111, 237, 0.034) 28px,
      rgba(30, 167, 168, 0.034) 28px,
      rgba(30, 167, 168, 0.034) 56px
    );
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
}

.hero-title {
  margin: 0.9rem 0;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.hero-sub {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 1.07rem;
}

.button-row {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  padding: 0.7rem 1.05rem;
  font-size: 0.91rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: filter 0.2s ease;
}

.btn:hover {
  filter: brightness(0.96);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

.hero-panel {
  padding: 0.8rem;
  display: grid;
  gap: 0.62rem;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
}

.hero-item {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}

.hero-item-title {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-item-text {
  margin: 0.34rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
}

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

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

.feature-card,
.info-card {
  padding: 1rem;
}

.feature-card h3,
.info-card h3 {
  margin: 0.2rem 0 0.55rem;
  font-size: 1.14rem;
  line-height: 1.25;
}

.feature-card p,
.info-card p {
  margin: 0;
  color: var(--muted);
}

.feature-media,
.project-media {
  margin: 0 0 0.75rem;
}

.feature-thumb,
.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #ebf1fb;
}

.pill-list {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pill {
  background: var(--surface-alt);
  color: #334155;
  border: 1px solid #dbe4f1;
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  font-size: 0.74rem;
  font-weight: 600;
}

.pill-muted {
  background: #f5f7fb;
}

.timeline {
  display: grid;
  gap: 0.8rem;
}

.timeline-item {
  padding: 1rem;
}

.timeline-item h3 {
  margin: 0.1rem 0 0.36rem;
  font-size: 1.08rem;
}

.timeline-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.timeline-item ul {
  margin: 0.58rem 0 0;
  padding-left: 1.1rem;
}

.timeline-item li {
  margin: 0.22rem 0;
  color: #334155;
}

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

.stat-card {
  text-align: center;
  padding: 1rem;
}

.stat-number {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.work-header {
  margin-bottom: 1.45rem;
}

.project-controls {
  padding: 1rem;
  margin-bottom: 1.1rem;
}

.search-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.72rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--surface);
}

.search-input:focus,
.form-field input:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(47, 111, 237, 0.25);
  border-color: var(--primary);
}

.filter-list {
  margin-top: 0.82rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 0.34rem 0.76rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: #334155;
  cursor: pointer;
}

.filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

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

.project-card {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-card h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.25;
}

.project-meta {
  margin: 0;
  font-size: 0.79rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
}

.project-summary {
  margin: 0.24rem 0 0;
  color: var(--muted);
}

.highlight-list {
  margin: 0;
  padding-left: 1.1rem;
}

.highlight-list li {
  margin: 0.2rem 0;
  color: #334155;
}

.project-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.project-card.spotlight {
  border-color: #97b7ff;
  background: linear-gradient(180deg, #ffffff 0%, #f3f7ff 100%);
}

.project-count {
  margin: 0.75rem 0 1rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 700;
}

.pagination {
  margin-top: 1.2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.52rem;
}

.page-btn {
  min-width: 40px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 0.44rem 0.62rem;
  font-weight: 700;
  font-size: 0.88rem;
  color: #334155;
  cursor: pointer;
}

.page-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.empty-state {
  padding: 1rem;
}

.empty-state p,
.empty-state h3 {
  margin: 0;
}

.empty-state p {
  margin-top: 0.45rem;
  color: var(--muted);
}

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

.skills-card {
  padding: 1rem;
}

.skills-card h3 {
  margin: 0 0 0.55rem;
}

.skills-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.skills-card li {
  margin: 0.18rem 0;
  color: #334155;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 1rem;
}

.contact-card {
  padding: 1rem;
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.contact-list a {
  color: var(--primary);
}

.form-grid {
  display: grid;
  gap: 0.8rem;
}

.form-field {
  display: grid;
  gap: 0.32rem;
}

.form-field label {
  font-size: 0.88rem;
  font-weight: 700;
}

.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--surface);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.page-hero {
  padding: 3rem 0 1.3rem;
  background:
    radial-gradient(860px 320px at 8% -14%, rgba(47, 111, 237, 0.11), transparent 62%),
    radial-gradient(780px 260px at 96% 12%, rgba(30, 167, 168, 0.11), transparent 64%),
    radial-gradient(640px 200px at 50% -8%, rgba(243, 154, 107, 0.07), transparent 64%),
    linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0.95rem 0 0.68rem;
  font-size: clamp(2rem, 4.5vw, 3.3rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
}

.site-footer {
  margin-top: 2.8rem;
  padding: 2rem 0;
  background: linear-gradient(180deg, #eaf2fe 0%, #e3edf9 100%);
  border-top: 1px solid var(--line);
}

.project-title-link {
  color: inherit;
}

.project-title-link:hover {
  color: var(--primary);
}

.section-title-sm {
  font-size: clamp(1.35rem, 2.1vw, 1.8rem);
  margin-bottom: 0.72rem;
}

.project-page-hero h1 {
  max-width: 950px;
}

.project-detail-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 1rem;
}

.project-detail-main,
.project-detail-side {
  padding: 1rem;
}

.project-detail-media {
  margin: 0 0 0.95rem;
}

.project-detail-hero {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #eaf1fb;
}

.project-subtitle {
  margin: 1rem 0 0.55rem;
  font-size: 0.98rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.project-long-text {
  margin: 0;
  color: var(--muted);
}

.project-detail-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.project-side-actions {
  margin-top: 0.9rem;
}

.project-gallery {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}

.project-gallery-item {
  margin: 0;
  overflow: hidden;
}

.project-gallery-button {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: zoom-in;
}

.project-gallery-button:focus-visible {
  outline: 2px solid rgba(47, 111, 237, 0.45);
  outline-offset: 2px;
}

.project-gallery-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 10px;
  transition: transform 0.2s ease;
}

.project-gallery-button:hover .project-gallery-image {
  transform: scale(1.02);
}

.no-scroll {
  overflow: hidden;
}

.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(9, 14, 25, 0.88);
  display: grid;
  place-items: center;
  padding: 1.4rem;
  overflow: auto;
  backdrop-filter: blur(2px);
}

.gallery-lightbox[hidden] {
  display: none;
}

.gallery-lightbox-panel {
  position: relative;
  margin: 0;
  width: min(1200px, 92vw);
  display: grid;
  gap: 0.55rem;
}

.gallery-lightbox-image {
  width: 100%;
  max-height: 84vh;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid rgba(221, 232, 250, 0.35);
  background: #0d1728;
}

.gallery-lightbox-caption {
  margin: 0.6rem 0 0;
  color: #dbe8fb;
  font-size: 0.78rem;
  text-align: center;
}

.gallery-lightbox-close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  z-index: 2;
  border: 1px solid rgba(221, 232, 250, 0.35);
  background: rgba(17, 27, 44, 0.9);
  color: #fff;
  border-radius: 10px;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  padding: 0;
  font-family: inherit;
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.gallery-lightbox-close:hover {
  background: rgba(30, 44, 67, 0.94);
}

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

.footer-shell p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.88rem;
  border-radius: 8px;
  padding: 0.2rem 0.45rem;
}

.footer-links a:hover {
  color: var(--primary);
  background: var(--surface);
}

@media (max-width: 980px) {
  .hero-grid,
  .project-grid,
  .contact-grid,
  .grid-three,
  .grid-two,
  .skills-grid,
  .stat-grid,
  .project-detail-grid,
  .project-detail-columns,
  .project-gallery {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 3.4rem;
  }
}

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

  .site-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    padding: 0.72rem;
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav.open {
    display: flex;
  }

  .nav-link {
    text-align: center;
    border: 1px solid var(--line);
  }

  .footer-shell {
    flex-direction: column;
    align-items: flex-start;
  }
}