/* ==========================================================================
   Latent Design System - Tokens
   ========================================================================== */

:root {
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Color - canvas & surfaces */
  --color-bg-canvas: #0A0A0D;
  --color-bg-base: #0F1014;
  --color-surface-1: #14151B;
  --color-surface-2: #23252F;
  --color-surface-3: #262835;

  /* Color - borders */
  --color-border-subtle: rgba(255, 255, 255, 0.06);
  --color-border-default: rgba(255, 255, 255, 0.12);
  --color-border-strong: rgba(255, 255, 255, 0.18);

  /* Color - text */
  --color-text-primary: #F5F5F7;
  --color-text-secondary: #A0A3AD;
  --color-text-tertiary: #8A8D97;
  --color-text-on-accent: #0A0A0D;

  /* Color - accents */
  --color-accent-primary: #4FD8D0;
  --color-accent-secondary: #9B7EF5;
  --color-accent-primary-bg: rgba(79, 216, 208, 0.12);
  --gradient-brand: linear-gradient(135deg, #4FD8D0 0%, #9B7EF5 100%);
  --gradient-brand-bright: linear-gradient(135deg, #79E6DF 0%, #B6A0FF 100%);
  --gradient-brand-text: linear-gradient(135deg, #4FD8D0 0%, #9B7EF5 100%);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 999px;

  /* Shadow */
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);

  /* Motion */
  --duration-fast: 120ms;
  --duration-base: 200ms;
  --duration-slow: 280ms;
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);

  /* Type scale */
  --text-caption: 0.75rem;
  --text-body-sm: 0.875rem;
  --text-body: 1rem;
  --text-body-lg: 1.125rem;
  --text-h3: 1.375rem;
  --text-h2: 1.75rem;
  --text-h1: 2.25rem;

  --text-body-sm-lh: 1.5;
  --text-body-lh: 1.6;
  --text-body-lg-lh: 1.6;

  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  --tracking-tight: -0.02em;
  --tracking-caps: 0.06em;

  --max-width: 1160px;
  --max-width-narrow: 760px;
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-sans);
  background:
    radial-gradient(700px circle at 0% 0%, rgba(79, 216, 208, 0.06), transparent 60%),
    radial-gradient(700px circle at 100% 100%, rgba(155, 126, 245, 0.06), transparent 60%),
    var(--color-bg-canvas);
  background-attachment: fixed;
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: var(--color-accent-primary);
  color: var(--color-text-on-accent);
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1rem;
  background: var(--color-accent-primary);
  color: var(--color-text-on-accent);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-md);
  z-index: 10000;
  transition: top var(--duration-fast) var(--ease-standard);
  text-decoration: none;
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.container-narrow {
  max-width: var(--max-width-narrow);
}

@media (min-width: 768px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

.card {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.section {
  padding: 4rem 0;
}

.section-alt {
  background: var(--color-bg-base);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.section-header {
  text-align: center;
  margin-bottom: 2.75rem;
}

.section-title {
  font-size: var(--text-h1);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  margin-bottom: 0.625rem;
}

.section-desc {
  color: var(--color-text-secondary);
  font-size: var(--text-body-lg);
  max-width: 640px;
  margin: 0 auto;
  line-height: var(--text-body-lg-lh);
}

.gradient-text {
  background: var(--gradient-brand-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  background: var(--color-surface-2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

/* Scroll reveal
   Content is visible by default. JS opts a section INTO the hidden state
   (by adding .reveal-armed) only once it can guarantee to reveal it again,
   so a slow/failed script load or a direct #hash jump never leaves a
   section permanently invisible. */
[data-reveal].reveal-armed {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* Buttons */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-md);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), background-color var(--duration-fast) var(--ease-standard);
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--c-accent, var(--color-accent-primary)), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.btn:hover::after {
  opacity: 1;
}

.btn-outline {
  --c-accent: var(--color-accent-secondary);
}

.hero-cta-group .btn:nth-child(1) { --c-accent: var(--color-accent-primary); }
.hero-cta-group .btn:nth-child(2) { --c-accent: var(--color-accent-secondary); }

.btn-primary::after {
  background: linear-gradient(to right, transparent, #ffffff, transparent);
}

.btn-primary {
  background: linear-gradient(to bottom right, #4FD8D0 0%, #9B7EF5 100%);
  color: var(--color-text-on-accent);
  transition: transform var(--duration-fast) var(--ease-standard), background var(--duration-base) var(--ease-standard);
}

.btn-primary:hover {
  background: linear-gradient(to bottom right, #79E6DF 0%, #B6A0FF 100%);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border-default);
  color: var(--color-text-primary);
}

.btn-outline:hover {
  border-color: var(--color-border-strong);
  background: var(--color-surface-1);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 13, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
  white-space: nowrap;
}

.brand-mark {
  height: 30px;
  width: auto;
  display: block;
}

.brand-name {
  font-size: 15px;
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
}

.nav-list {
  list-style: none;
  display: flex;
  gap: 6px;
}

.nav-link {
  position: relative;
  overflow: hidden;
  display: inline-block;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 12px;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard);
}

.nav-link-text {
  position: relative;
  display: inline-block;
}

.nav-link::after {
  content: '';
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--c-accent, var(--color-accent-primary)), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.nav-link:hover,
.nav-link.active {
  color: var(--c-accent, var(--color-accent-primary));
  border-color: var(--color-border-strong);
}

.nav-list li:nth-of-type(3n+1) .nav-link { --c-accent: var(--color-accent-primary); }
.nav-list li:nth-of-type(3n+2) .nav-link { --c-accent: var(--color-accent-secondary); }
.nav-list li:nth-of-type(3n+3) .nav-link { --c-accent: color-mix(in srgb, var(--color-accent-primary) 50%, var(--color-accent-secondary) 50%); }

.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-cv-btn {
  display: none;
  white-space: nowrap;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.hamburger-bar {
  width: 16px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--duration-fast) var(--ease-standard), opacity var(--duration-fast) var(--ease-standard);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-nav {
  display: none;
  border-top: 1px solid var(--color-border-subtle);
  background: var(--color-bg-canvas);
}

.site-nav.is-open {
  display: block;
  position: absolute;
  top: 76px;
  left: 0;
  width: 100%;
  padding: 12px 1.25rem 20px;
}

.site-nav.is-open .nav-list {
  flex-direction: column;
  gap: 4px;
}

.site-nav.is-open .nav-link {
  display: block;
  padding: 12px 4px;
  border: none;
  border-bottom: 1px solid var(--color-border-subtle);
  border-radius: 0;
}

/* Row is full-width for tap area, but the glow should track the word, not
   the row: turn off the row-wide glow and draw one on the text span
   instead, offset up by the row's own padding-top so it still sits on
   the row's top edge. */
.site-nav.is-open .nav-link::after {
  content: none;
}

.site-nav.is-open .nav-link-text::after {
  content: '';
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--c-accent, var(--color-accent-primary)), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.site-nav.is-open .nav-link:hover .nav-link-text::after,
.site-nav.is-open .nav-link.active .nav-link-text::after {
  opacity: 1;
}

@media (min-width: 860px) {
  .site-nav {
    display: block !important;
    position: static;
    width: auto;
    padding: 0;
    border-top: none;
    background: transparent;
  }
  .site-nav .nav-list {
    flex-direction: row;
  }
  .nav-cv-btn {
    display: inline-flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.hero-section {
  padding: 64px 0 40px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 860px) {
  .hero-container {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-eyebrow {
  font-size: var(--text-body-lg);
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.hero-name {
  font-size: clamp(28px, 4.2vw, var(--text-h1));
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  margin-bottom: 10px;
}

.hero-headline {
  font-size: clamp(32px, 5.5vw, 52px);
  font-weight: var(--weight-extrabold);
  line-height: 1.08;
  letter-spacing: var(--tracking-tight);
  margin-bottom: 20px;
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  margin-bottom: 26px;
  min-height: 22px;
}

.typed-cursor {
  color: var(--color-accent-primary);
  animation: blink 1s step-end infinite;
}

.hero-socials {
  display: flex;
  gap: 10px;
  margin-bottom: 32px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-default);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.social-icon:hover {
  border-color: var(--color-border-strong);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-portrait-backing {
  position: absolute;
  width: 88%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: var(--color-surface-1);
  top: 6%;
}

.hero-portrait {
  position: relative;
  width: 78%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-default);
}

.hero-portrait-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.03);
}

/* ==========================================================================
   About
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 860px) {
  .about-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.about-card {
  padding: 32px;
}

.about-json-card {
  padding: 0;
  overflow: hidden;
}

.about-json-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  padding-left: 20px;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border-default);
}

.about-json-filename {
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-tertiary);
}

.about-json-controls {
  display: flex;
  align-items: stretch;
  align-self: stretch;
}

.about-json-control {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  transition: background-color var(--duration-fast) var(--ease-standard);
}

.about-json-control svg {
  width: 10px;
  height: 10px;
  fill: none;
  stroke: var(--color-text-secondary);
  stroke-width: 1;
}

.about-json-control:hover {
  background: var(--color-surface-3);
}

.about-json-control-close:hover {
  background: #e81123;
}

.about-json-control-close:hover svg {
  stroke: #ffffff;
}

.about-json-body {
  margin: 0;
  padding: 24px 28px 28px;
  font-family: var(--font-mono);
  font-size: var(--text-body-sm);
  line-height: 1.8;
  color: var(--color-text-secondary);
  overflow-x: auto;
}

.about-json-body .json-key {
  color: var(--color-accent-primary);
}

.about-json-body .json-string {
  color: var(--color-accent-secondary);
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.value-item {
  display: flex;
  gap: 16px;
  padding: 20px;
}

.value-tag {
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  font-size: 15px;
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.value-item h4 {
  font-size: var(--text-body);
  font-weight: var(--weight-bold);
  margin-bottom: 4px;
}

.value-item p {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  line-height: var(--text-body-sm-lh);
}

/* ==========================================================================
   Tech Stack
   ========================================================================== */

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.stack-card {
  padding: 24px;
}

.stack-card h3 {
  font-size: var(--text-body);
  font-weight: var(--weight-bold);
  margin-bottom: 16px;
}

.ai-tool-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.ai-tool-row img {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

/* ==========================================================================
   Projects - grid
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}

@media (min-width: 640px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1080px) {
  .projects-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Projects - card */

.project-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transform-style: preserve-3d;
  will-change: transform;
  transition: border-color var(--duration-base) var(--ease-standard), box-shadow var(--duration-base) var(--ease-standard);
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-accent, var(--color-accent-primary)), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.project-card:hover::before {
  opacity: 1;
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, 0.05) 0%, transparent 65%);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-standard);
  border-radius: var(--radius-lg);
}

.project-card:hover::after {
  opacity: 1;
}

.project-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-lg);
}

.project-card:nth-of-type(5n+1) { --c-accent: var(--color-accent-primary); }
.project-card:nth-of-type(5n+2) { --c-accent: var(--color-accent-secondary); }
.project-card:nth-of-type(5n+3) { --c-accent: color-mix(in srgb, var(--color-accent-primary) 50%, var(--color-accent-secondary) 50%); }
.project-card:nth-of-type(5n+4) { --c-accent: var(--color-accent-secondary); }
.project-card:nth-of-type(5n+5) { --c-accent: var(--color-accent-primary); }

.project-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-base);
}

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

.project-thumb-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.project-thumb-icon img {
  width: auto;
  height: 56px;
  object-fit: contain;
}

.project-thumb-wiggy {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: var(--color-surface-2);
}

.project-thumb-wiggy img {
  width: auto;
  height: 100%;
  max-height: 100%;
  object-fit: contain;
}

.project-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.project-kind {
  font-size: var(--text-caption);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  color: var(--c-accent, var(--color-accent-primary));
}

.project-tech {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

.project-body h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  margin-bottom: 10px;
}

.project-body > p {
  color: var(--color-text-secondary);
  font-size: var(--text-body);
  line-height: var(--text-body-lh);
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-body .tag-row {
  margin-bottom: 18px;
}

.project-body .tag-row .tag {
  color: var(--c-accent, var(--color-accent-primary));
  background: color-mix(in srgb, var(--c-accent, var(--color-accent-primary)) 14%, transparent);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-body-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  text-decoration: none;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-subtle);
}

.project-link:hover {
  color: var(--c-accent, var(--color-accent-primary));
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-subtle);
}

.project-footer .project-link {
  padding-top: 0;
  border-top: none;
}

.project-downloads {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  white-space: nowrap;
}

.project-link-muted {
  color: var(--color-text-tertiary);
  font-weight: var(--weight-semibold);
  cursor: default;
}

/* ==========================================================================
   Journey / Timeline
   ========================================================================== */

.timeline {
  list-style: none;
  position: relative;
  padding-left: 32px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 5px;
  width: 2px;
  background: var(--color-border-default);
}

.timeline::after {
  content: '';
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 2px;
  width: 8px;
  border-radius: 4px;
  background-image: linear-gradient(
    180deg,
    var(--color-accent-primary) 0%,
    var(--color-accent-primary) 12%,
    var(--color-accent-secondary) 45%,
    var(--color-accent-secondary) 55%,
    color-mix(in srgb, var(--color-accent-primary) 50%, var(--color-accent-secondary) 50%) 88%,
    color-mix(in srgb, var(--color-accent-primary) 50%, var(--color-accent-secondary) 50%) 100%
  );
  mix-blend-mode: screen;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.25) 20%, white 50%, rgba(255, 255, 255, 0.25) 80%, transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.25) 20%, white 50%, rgba(255, 255, 255, 0.25) 80%, transparent 100%);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: 100% 110px;
  mask-size: 100% 110px;
  animation: timeline-flow 8s ease-in-out infinite;
}

@keyframes timeline-flow {
  0% { -webkit-mask-position: 0 -110px; mask-position: 0 -110px; }
  100% { -webkit-mask-position: 0 calc(100% + 110px); mask-position: 0 calc(100% + 110px); }
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: 6px;
  left: -32px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent-primary);
  border: 3px solid var(--color-bg-base);
}

.timeline-item {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.timeline-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--c-accent, var(--color-accent-primary)), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.timeline-item:hover::after {
  opacity: 1;
}

.timeline-item:nth-of-type(3n+1) { --c-accent: var(--color-accent-primary); }
.timeline-item:nth-of-type(3n+2) { --c-accent: var(--color-accent-secondary); }
.timeline-item:nth-of-type(3n+3) { --c-accent: color-mix(in srgb, var(--color-accent-primary) 50%, var(--color-accent-secondary) 50%); }

.timeline-period {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  font-weight: var(--weight-bold);
  color: var(--color-accent-primary);
}

.timeline-role {
  font-size: var(--text-h3);
  font-weight: var(--weight-bold);
  margin: 6px 0 2px;
}

.timeline-org {
  font-size: var(--text-body-sm);
  color: var(--color-text-tertiary);
  margin-bottom: 10px;
}

.timeline-text {
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  line-height: var(--text-body-lh);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-section {
  text-align: center;
}

.contact-section .section-desc {
  margin-bottom: 36px;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.contact-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: var(--weight-semibold);
  font-size: var(--text-body);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.contact-link:hover {
  border-color: var(--color-border-strong);
}

.contact-link::after {
  content: '';
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--c-accent, var(--color-accent-primary)), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
}

.contact-link:hover::after {
  opacity: 1;
}

.contact-link:nth-of-type(3n+1) { --c-accent: var(--color-accent-primary); }
.contact-link:nth-of-type(3n+2) { --c-accent: var(--color-accent-secondary); }
.contact-link:nth-of-type(3n+3) { --c-accent: color-mix(in srgb, var(--color-accent-primary) 50%, var(--color-accent-secondary) 50%); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border-subtle);
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 28px 0;
}

.footer-copy {
  font-size: var(--text-body-sm);
  color: var(--color-text-tertiary);
}

.footer-link {
  font-size: var(--text-body-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-accent-primary);
}