:root {
  color-scheme: light dark;
  --bg: #081121;
  --bg-soft: #0d172b;
  --bg-panel: rgba(10, 20, 39, 0.9);
  --surface: rgba(17, 29, 54, 0.78);
  --surface-strong: rgba(21, 36, 66, 0.96);
  --border: rgba(138, 173, 217, 0.18);
  --border-strong: rgba(124, 211, 252, 0.32);
  --text: #f5f8ff;
  --text-muted: #99a8c7;
  --text-soft: #c8d3eb;
  --accent: #62d5ff;
  --accent-strong: #20b8f0;
  --accent-soft: rgba(98, 213, 255, 0.14);
  --shadow: 0 24px 70px rgba(2, 8, 23, 0.45);
  --shadow-soft: 0 12px 34px rgba(2, 8, 23, 0.22);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100vw - 2rem));
  --header-height: 88px;
  --page-backdrop:
    radial-gradient(circle at top left, rgba(34, 211, 238, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(59, 130, 246, 0.16), transparent 28%),
    linear-gradient(180deg, #081121 0%, #0b1527 48%, #07111d 100%);
  --grid-line: rgba(255, 255, 255, 0.025);
  --grid-mask: linear-gradient(180deg, rgba(255, 255, 255, 0.45), transparent 82%);
  --bg-image: url("../../images/flowers.jpg");
  --bg-image-opacity: 0.14;
  --bg-image-filter: saturate(0.78) brightness(0.72);
  --skip-bg: #f8fbff;
  --skip-text: #07111d;
  --header-bg: rgba(7, 15, 28, 0.72);
  --header-border: rgba(148, 163, 184, 0.08);
  --brand-shell: linear-gradient(135deg, rgba(98, 213, 255, 0.28), rgba(32, 184, 240, 0.1));
  --brand-mark-text: #f7fbff;
  --nav-toggle-bg: rgba(17, 29, 54, 0.72);
  --nav-mobile-bg: rgba(7, 15, 28, 0.98);
  --button-text: #041321;
  --button-shadow: 0 12px 26px rgba(32, 184, 240, 0.2);
  --button-shadow-hover: 0 18px 30px rgba(32, 184, 240, 0.24);
  --button-secondary-bg: rgba(255, 255, 255, 0.06);
  --card-bg: linear-gradient(180deg, rgba(16, 27, 49, 0.92), rgba(10, 19, 35, 0.94));
  --panel-frame-bg:
    radial-gradient(circle at top right, rgba(98, 213, 255, 0.14), transparent 28%),
    rgba(7, 16, 29, 0.88);
  --panel-frame-border: rgba(124, 211, 252, 0.14);
  --pill-bg: rgba(98, 213, 255, 0.08);
  --pill-border: rgba(124, 211, 252, 0.2);
  --pill-muted-bg: rgba(255, 255, 255, 0.04);
  --metric-bg: rgba(15, 26, 45, 0.92);
  --metric-border: rgba(148, 163, 184, 0.12);
  --chip-bg: rgba(255, 255, 255, 0.055);
  --chip-border: rgba(148, 163, 184, 0.14);
  --footer-border: rgba(148, 163, 184, 0.12);
  --selection: rgba(98, 213, 255, 0.24);
  --scrollbar-track: rgba(39, 16, 55, 0.86);
  --scrollbar-thumb-start: #7a1538;
  --scrollbar-thumb-end: #cd1a67;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f1ea;
  --bg-soft: #ede6db;
  --bg-panel: rgba(255, 250, 244, 0.84);
  --surface: rgba(255, 251, 247, 0.8);
  --surface-strong: rgba(250, 244, 236, 0.98);
  --border: rgba(53, 67, 94, 0.12);
  --border-strong: rgba(33, 121, 170, 0.26);
  --text: #20304a;
  --text-muted: #6a778d;
  --text-soft: #4a5872;
  --accent: #1c86bf;
  --accent-strong: #3b6cf2;
  --accent-soft: rgba(28, 134, 191, 0.12);
  --shadow: 0 24px 70px rgba(55, 40, 20, 0.10);
  --shadow-soft: 0 14px 34px rgba(55, 40, 20, 0.08);
  --page-backdrop:
    radial-gradient(circle at top left, rgba(28, 134, 191, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(244, 181, 98, 0.14), transparent 32%),
    linear-gradient(180deg, #fcfaf6 0%, #f4efe6 44%, #ece3d7 100%);
  --grid-line: rgba(53, 67, 94, 0.035);
  --grid-mask: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 84%);
  --bg-image: url("../../images/bg.jpg");
  --bg-image-opacity: 0.07;
  --bg-image-filter: saturate(0.72) brightness(1.08);
  --skip-bg: #20304a;
  --skip-text: #f8fbff;
  --header-bg: rgba(250, 246, 239, 0.82);
  --header-border: rgba(53, 67, 94, 0.08);
  --brand-shell: linear-gradient(135deg, rgba(28, 134, 191, 0.10), rgba(244, 181, 98, 0.10));
  --brand-mark-text: #20304a;
  --nav-toggle-bg: rgba(255, 250, 244, 0.78);
  --nav-mobile-bg: rgba(250, 246, 239, 0.98);
  --button-text: #ffffff;
  --button-shadow: 0 10px 24px rgba(59, 108, 242, 0.15);
  --button-shadow-hover: 0 16px 28px rgba(59, 108, 242, 0.18);
  --button-secondary-bg: rgba(53, 67, 94, 0.045);
  --card-bg: linear-gradient(180deg, rgba(255, 252, 248, 0.92), rgba(245, 238, 229, 0.96));
  --panel-frame-bg:
    radial-gradient(circle at top right, rgba(28, 134, 191, 0.08), transparent 30%),
    rgba(250, 246, 239, 0.84);
  --panel-frame-border: rgba(53, 67, 94, 0.08);
  --pill-bg: rgba(28, 134, 191, 0.08);
  --pill-border: rgba(28, 134, 191, 0.16);
  --pill-muted-bg: rgba(53, 67, 94, 0.045);
  --metric-bg: rgba(255, 251, 246, 0.86);
  --metric-border: rgba(53, 67, 94, 0.08);
  --chip-bg: rgba(53, 67, 94, 0.045);
  --chip-border: rgba(53, 67, 94, 0.08);
  --footer-border: rgba(53, 67, 94, 0.08);
  --selection: rgba(28, 134, 191, 0.16);
  --scrollbar-track: rgba(186, 161, 130, 0.20);
  --scrollbar-thumb-start: #c28958;
  --scrollbar-thumb-end: #5d86f2;
}

::selection {
  background: var(--selection);
}

@keyframes scrollbarShift {
  0% {
    background-position: 0% 0%;
  }

  100% {
    background-position: 0% 100%;
  }
}

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

html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 0.72rem;
}

::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--scrollbar-thumb-start), var(--scrollbar-thumb-end));
  background-size: 100% 200%;
  border: 0.08rem solid var(--scrollbar-track);
  border-radius: 999px;
  animation: scrollbarShift 5.5s linear infinite alternate;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--scrollbar-thumb-end), var(--scrollbar-thumb-start));
}

body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background: var(--page-backdrop);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.65;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb-end) var(--scrollbar-track);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: var(--grid-mask);
}

body::after {
  content: "";
  position: fixed;
  inset: -3%;
  z-index: 0;
  pointer-events: none;
  background: var(--bg-image) center/cover no-repeat;
  opacity: var(--bg-image-opacity);
  filter: var(--bg-image-filter);
  transform: scale(1.02);
}

main,
footer,
header {
  position: relative;
  z-index: 1;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
textarea,
select {
  font: inherit;
}

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

.skip-link {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -140%);
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--skip-bg);
  color: var(--skip-text);
  z-index: 100;
}

.skip-link:focus {
  transform: translate(-50%, 1rem);
}

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

.section {
  padding: 5.5rem 0;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.section-tight {
  padding-top: 1rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-heading-compact {
  margin-top: 4rem;
}

.eyebrow,
.card-label,
.metric-label,
.timeline-date {
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 800;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.4rem);
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
}

p {
  margin: 0;
  color: var(--text-soft);
}

ul {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
}

.header-inner {
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 16px;
  background: var(--brand-shell);
  border: 1px solid var(--border-strong);
  color: var(--brand-mark-text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.brand-mark-avatar {
  padding: 0.18rem;
  overflow: hidden;
}

.brand-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 999px;
}

.brand-text {
  font-weight: 800;
  white-space: nowrap;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 700;
  transition: color 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

.nav-toggle {
  display: none;
}

.nav-toggle,
.theme-toggle {
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--nav-toggle-bg);
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.nav-toggle:hover,
.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.nav-toggle {
  flex-direction: column;
  gap: 0.32rem;
}

.nav-toggle span {
  width: 1.15rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

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

.theme-toggle-icon {
  width: 1.2rem;
  height: 1.2rem;
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
}

html[data-theme="dark"] .theme-toggle-icon {
  background-image: url("../../images/sun.png");
}

html[data-theme="light"] .theme-toggle-icon {
  background-image: url("../../images/moon.png");
}

.hero-section {
  padding-top: 4.5rem;
}

.hero-grid,
.about-grid,
.page-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  gap: 2rem;
  align-items: start;
}

.hero-subtitle {
  margin-top: 1rem;
  color: var(--accent);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 700;
}

.hero-intro,
.hero-supporting,
.page-intro {
  max-width: 64ch;
  font-size: 1.05rem;
}

.hero-intro {
  margin-top: 1.35rem;
}

.hero-supporting {
  margin-top: 0.9rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), #2f8cff);
  color: var(--button-text);
  font-weight: 800;
  box-shadow: var(--button-shadow);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--button-shadow-hover);
}

.button-secondary {
  background: var(--button-secondary-bg);
  border-color: var(--border-strong);
  color: var(--text);
  box-shadow: none;
}

.button-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-soft);
  box-shadow: none;
}

.button-small {
  min-height: 2.5rem;
  padding: 0.65rem 1rem;
  font-size: 0.92rem;
}

.hero-panel,
.card,
.timeline-card,
.project-card,
.compact-card,
.contact-card,
.achievement-card,
.media-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
}

.panel-frame {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  min-height: 100%;
  background: var(--panel-frame-bg);
  border: 1px solid var(--panel-frame-border);
}

.panel-chip,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--pill-border);
  background: var(--pill-bg);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.pill-muted {
  color: var(--text-muted);
  background: var(--pill-muted-bg);
  border-color: var(--border);
}

.hero-metrics {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.metric-card {
  padding: 1.15rem;
  border-radius: 22px;
  background: var(--metric-bg);
  border: 1px solid var(--metric-border);
}

.metric-card h2 {
  margin-top: 0.45rem;
  font-size: 1.28rem;
}

.card,
.timeline-card,
.contact-card,
.achievement-card,
.detail-card {
  padding: 1.5rem;
}

.prose-card {
  font-size: 1.05rem;
}

.stacked-cards {
  display: grid;
  gap: 1rem;
}

.project-grid,
.skill-grid,
.compact-grid,
.achievement-grid,
.contact-grid,
.detail-grid,
.feature-grid,
.evidence-grid {
  display: grid;
  gap: 1.25rem;
}

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

.project-card,
.compact-card,
.media-card {
  overflow: hidden;
}

.project-card {
  display: flex;
  flex-direction: column;
}

.slideshow-card {
  display: grid;
  border-bottom: 1px solid var(--border);
  background: rgba(2, 8, 23, 0.16);
}

.slideshow-viewport {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(6, 10, 17, 0.88);
}

.slideshow-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transform: scale(1.025);
  transition:
    opacity 320ms ease,
    transform 700ms ease;
}

.slideshow-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.slideshow-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--slide-position, center);
}

.slideshow-bar,
.slideshow-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.85rem 1rem;
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
}

.slideshow-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  min-height: 4.9rem;
}

.slideshow-controls {
  padding-top: 0;
}

.slideshow-caption {
  margin: 0;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.45;
  min-height: calc(1.45em * 2);
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.slideshow-dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
  min-height: 0.72rem;
  align-content: start;
}

.slideshow-dot,
.slideshow-button {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.slideshow-dot:hover,
.slideshow-button:hover {
  transform: translateY(-1px);
  border-color: var(--border-strong);
}

.slideshow-dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  padding: 0;
}

.slideshow-dot.is-active {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
}

.slideshow-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.slideshow-button {
  min-height: 2.3rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  font-weight: 800;
}

.slideshow-button-pause {
  min-width: 4.8rem;
}

.slideshow-index {
  color: var(--text-muted);
  font-size: 0.86rem;
  font-weight: 700;
  white-space: nowrap;
}

.media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: rgba(2, 8, 23, 0.9);
  border-bottom: 1px solid var(--border);
}

.compact-card .media-frame {
  aspect-ratio: 16 / 10;
}

.media-frame iframe,
.media-frame img {
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.project-content,
.compact-card-body,
.media-card-body,
.spotlight-content {
  padding: 1.4rem;
}

.project-content h3,
.compact-card-body h3,
.spotlight-content h3,
.spotlight-content h2 {
  margin-top: 0.4rem;
}

.card-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.project-visual {
  min-height: 180px;
  padding: 1.45rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #e7f9ff;
  font-family: "Space Grotesk", sans-serif;
  background: linear-gradient(135deg, #0f2c47, #091724);
}

.project-visual span {
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(231, 249, 255, 0.8);
}

.project-visual strong {
  font-size: clamp(1.3rem, 2.6vw, 1.8rem);
  line-height: 1.05;
}

.project-visual-cyan {
  background:
    radial-gradient(circle at top right, rgba(98, 213, 255, 0.28), transparent 38%),
    linear-gradient(135deg, #12304b, #0a1520);
}

.project-visual-blue {
  background:
    radial-gradient(circle at top left, rgba(47, 140, 255, 0.26), transparent 40%),
    linear-gradient(135deg, #11294e, #09121c);
}

.project-visual-slate {
  background:
    radial-gradient(circle at top right, rgba(148, 163, 184, 0.16), transparent 36%),
    linear-gradient(135deg, #1a2637, #08111a);
}

.video-thumb {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

button.video-thumb {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 7, 18, 0.12), rgba(3, 7, 18, 0.72));
}

.video-thumb-badge,
.video-thumb-copy,
.video-thumb-play {
  position: absolute;
  z-index: 1;
}

.video-thumb-badge {
  top: 1rem;
  left: 1rem;
  padding: 0.4rem 0.72rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #f8fbff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.video-thumb-play {
  top: 50%;
  left: 50%;
  display: inline-grid;
  place-items: center;
  width: 4.1rem;
  height: 4.1rem;
  border-radius: 999px;
  background: rgba(3, 7, 18, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #f8fbff;
  font-size: 1.3rem;
  transform: translate(-50%, -50%);
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.video-thumb-copy {
  left: 1rem;
  bottom: 1rem;
  color: #f8fbff;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.video-thumb:hover .video-thumb-play,
.video-thumb:focus-visible .video-thumb-play {
  transform: translate(-50%, -50%) scale(1.05);
  background: rgba(3, 7, 18, 0.74);
  border-color: rgba(255, 255, 255, 0.34);
}

.project-image,
.compact-card img,
.media-card > img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  object-position: center;
}

.media-card-prominent > img {
  display: block;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  object-position: center;
  background:
    radial-gradient(circle at top left, rgba(28, 134, 191, 0.1), transparent 34%),
    radial-gradient(circle at bottom right, rgba(84, 151, 255, 0.08), transparent 30%),
    color-mix(in srgb, var(--surface-strong) 92%, transparent);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.42rem 0.72rem;
  border-radius: 999px;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  color: var(--text-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.detail-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1.4rem;
}

.detail-card {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

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

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

.compact-card,
.achievement-card,
.contact-card {
  min-height: 100%;
}

.timeline {
  display: grid;
  gap: 1.25rem;
}

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

.timeline-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--accent), transparent);
}

.timeline-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-bottom: 0.9rem;
}

.timeline-list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.spotlight-card {
  display: grid;
  grid-template-columns: minmax(280px, 0.95fr) minmax(0, 1.05fr);
  gap: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--card-bg);
  box-shadow: var(--shadow-soft);
}

.spotlight-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 320px;
}

.spotlight-card-reverse {
  margin-top: 1.25rem;
}

.spotlight-card + .compact-grid {
  margin-top: 2rem;
}

.spotlight-author {
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-weight: 700;
}

.feature-grid,
.evidence-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.25rem;
}

.text-link {
  display: inline-flex;
  margin-top: 0.95rem;
  color: var(--accent);
  font-weight: 800;
}

.slideshow-slide img,
.compact-card > img,
.media-card > img,
.spotlight-card > img,
.project-image {
  cursor: zoom-in;
}

.slideshow-slide img:focus-visible,
.compact-card > img:focus-visible,
.media-card > img:focus-visible,
.spotlight-card > img:focus-visible,
.project-image:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 78%, white);
  outline-offset: 0.2rem;
}

.contact-card a {
  display: inline-flex;
  margin-top: 0.45rem;
  color: var(--text);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.contact-actions {
  margin-top: 1.6rem;
}

.updates-grid,
.contact-layout {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.25rem;
}

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

.contact-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
}

.form-card {
  padding: 1.4rem;
}

.form-card form {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.95rem;
}

.form-field {
  display: grid;
  gap: 0.45rem;
}

.form-field label {
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 700;
}

.form-input {
  width: 100%;
  min-height: 3rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
  color: var(--text);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.form-input::placeholder {
  color: var(--text-muted);
}

.form-input:focus {
  border-color: var(--border-strong);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-soft) 88%, transparent);
  outline: none;
}

textarea.form-input {
  min-height: 8.75rem;
  resize: vertical;
}

.contact-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}

.form-note {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.sr-only-field {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.image-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(4, 10, 20, 0.82);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.image-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

body.lightbox-open {
  overflow: hidden;
}

.image-lightbox-dialog {
  position: relative;
  display: grid;
  gap: 0.75rem;
  justify-items: center;
  width: min(92vw, 1400px);
  max-width: min(92vw, 1400px);
}

.image-lightbox-img {
  display: block;
  max-width: min(92vw, 1400px);
  max-height: 84vh;
  width: auto;
  height: auto;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 28px 80px rgba(2, 8, 23, 0.45);
  background: rgba(255, 255, 255, 0.03);
}

.image-lightbox-meta {
  display: flex;
  width: min(92vw, 1100px);
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.image-lightbox-meta[hidden],
.image-lightbox-nav[hidden] {
  display: none !important;
}

.image-lightbox-caption,
.image-lightbox-count {
  margin: 0;
  color: #f8fbff;
}

.image-lightbox-caption {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.5;
}

.image-lightbox-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.image-lightbox-count {
  min-width: 4.2rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 700;
  color: rgba(248, 251, 255, 0.78);
}

.image-lightbox-nav {
  display: inline-grid;
  place-items: center;
  width: 2.85rem;
  height: 2.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(7, 15, 28, 0.78);
  color: #f8fbff;
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.image-lightbox-nav:hover,
.image-lightbox-nav:focus-visible {
  transform: translateY(-1px);
  background: rgba(12, 22, 38, 0.94);
  border-color: rgba(255, 255, 255, 0.36);
}

.image-lightbox-close {
  position: absolute;
  top: -0.75rem;
  right: -0.75rem;
  display: inline-grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(7, 15, 28, 0.78);
  color: #f8fbff;
  font-size: 1.45rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.image-lightbox-close:hover,
.image-lightbox-close:focus-visible {
  transform: scale(1.04);
  background: rgba(12, 22, 38, 0.94);
  border-color: rgba(255, 255, 255, 0.38);
}

.back-to-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 24;
  display: inline-grid;
  place-items: center;
  width: 3.15rem;
  height: 3.15rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(135deg, var(--accent), #2f8cff);
  color: var(--button-text);
  font-size: 1.25rem;
  font-weight: 900;
  box-shadow: var(--button-shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.92);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.back-to-top:hover {
  box-shadow: var(--button-shadow-hover);
  transform: translateY(-2px);
}

.site-footer {
  padding: 1.4rem 0 2.2rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.1fr auto auto;
  gap: 1.5rem;
  align-items: end;
  padding-top: 1.6rem;
  border-top: 1px solid var(--footer-border);
}

.footer-title {
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a,
.footer-copy {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.page-hero {
  padding-top: 4.2rem;
  padding-bottom: 3rem;
}

.page-hero .card h2 {
  margin-top: 0.45rem;
  font-size: 1.5rem;
}

[data-reveal] {
  opacity: 1;
  transform: none;
}

@media (max-width: 1120px) {
  .compact-grid,
  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  :root {
    --header-height: 80px;
  }

  .hero-grid,
  .about-grid,
  .page-hero-grid,
  .project-grid,
  .skill-grid,
  .achievement-grid,
  .contact-grid,
  .updates-grid,
  .contact-layout,
  .feature-grid,
  .evidence-grid,
  .spotlight-card,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .spotlight-card img {
    min-height: 260px;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 1rem;
    border-radius: 22px;
    border: 1px solid var(--border);
    background: var(--nav-mobile-bg);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 0.7rem 0.25rem;
  }

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

@media (max-width: 720px) {
  .section {
    padding: 4.25rem 0;
  }

  .slideshow-bar,
  .slideshow-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .slideshow-bar {
    grid-template-columns: 1fr;
    min-height: 6.25rem;
  }

  .slideshow-dots {
    justify-content: flex-start;
  }

  .back-to-top {
    right: 1rem;
    bottom: 1rem;
    width: 2.9rem;
    height: 2.9rem;
  }

  .button-row {
    flex-direction: column;
    align-items: stretch;
  }

  .button,
  .button-small {
    width: 100%;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .detail-grid,
  .compact-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    min-height: 76px;
  }

  .brand-text {
    font-size: 0.96rem;
  }

  .image-lightbox {
    padding: 1rem;
  }

  .image-lightbox-meta {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .image-lightbox-controls {
    justify-content: space-between;
  }

  .image-lightbox-caption {
    font-size: 0.94rem;
  }

  .project-image,
  .compact-card img,
  .media-card > img {
    height: 220px;
  }

}

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

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

}