/* ==========================================================================
   Design tokens — "Waypoint" system
   Warm graphite surfaces, copper-amber accent (route/cargo motif),
   Cabinet Grotesk display + Satoshi body + JetBrains Mono for data.
   ========================================================================== */

:root,
[data-theme='light'] {
  /* Surfaces */
  --color-bg: #f7f5f1;
  --color-surface: #ffffff;
  --color-surface-2: #f1efe7;
  --color-surface-offset: #ece7dc;
  --color-divider: #e4dfd3;
  --color-border: #dad4c5;

  /* Text */
  --color-text: #1c1a16;
  --color-text-muted: #6c675c;
  --color-text-faint: #a49e8e;
  --color-text-inverse: #f7f5f1;

  /* Primary accent — copper */
  --color-primary: #a8531c;
  --color-primary-hover: #8a4315;
  --color-primary-active: #6d3510;
  --color-primary-highlight: #f0ddc4;

  /* Status (neutral use only) */
  --color-success: #43703a;
  --color-success-highlight: #dbe6d5;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 70 / 0.08);
  --shadow-md: 0 8px 24px oklch(0.2 0.02 70 / 0.1);
  --shadow-lg: 0 20px 48px oklch(0.2 0.02 70 / 0.14);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  --font-display: 'Cabinet Grotesk', 'General Sans', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Geist Mono', monospace;

  color-scheme: light;
}

[data-theme='dark'] {
  --color-bg: #131211;
  --color-surface: #191815;
  --color-surface-2: #1e1c19;
  --color-surface-offset: #232019;
  --color-divider: #2a2620;
  --color-border: #34302a;

  --color-text: #ede9e0;
  --color-text-muted: #a49d8e;
  --color-text-faint: #6d685c;
  --color-text-inverse: #171512;

  --color-primary: #e8973f;
  --color-primary-hover: #f2ab5c;
  --color-primary-active: #c67a2a;
  --color-primary-highlight: #3a2c1a;

  --color-success: #7cab6a;
  --color-success-highlight: #29331f;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.55);

  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #131211;
    --color-surface: #191815;
    --color-surface-2: #1e1c19;
    --color-surface-offset: #232019;
    --color-divider: #2a2620;
    --color-border: #34302a;
    --color-text: #ede9e0;
    --color-text-muted: #a49d8e;
    --color-text-faint: #6d685c;
    --color-text-inverse: #171512;
    --color-primary: #e8973f;
    --color-primary-hover: #f2ab5c;
    --color-primary-active: #c67a2a;
    --color-primary-highlight: #3a2c1a;
    --color-success: #7cab6a;
    --color-success-highlight: #29331f;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 8px 24px oklch(0 0 0 / 0.4);
    --shadow-lg: 0 24px 56px oklch(0 0 0 / 0.55);
    color-scheme: dark;
  }
}

/* Type scale */
:root {
  --text-xs: clamp(0.75rem, 0.71rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.28vw, 0.9375rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.55vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
  --text-3xl: clamp(2.5rem, 1.2rem + 4.2vw, 4.75rem);
  --text-hero: clamp(2.75rem, 0.9rem + 6.5vw, 6.5rem);
}

/* Spacing */
:root {
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

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

/* ==========================================================================
   Layout primitives
   ========================================================================== */

.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  border-top: 1px solid var(--color-divider);
}

.section--tight {
  padding-block: clamp(var(--space-10), 6vw, var(--space-20));
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: '';
  width: 0.4em;
  height: 0.4em;
  border-radius: 50%;
  background: currentColor;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-xl);
  letter-spacing: -0.01em;
}

.section-index {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  white-space: nowrap;
}

/* ==========================================================================
   Typography helpers
   ========================================================================== */

.font-display {
  font-family: var(--font-display);
}
.font-mono {
  font-family: var(--font-mono);
}

.text-muted {
  color: var(--color-text-muted);
}
.text-faint {
  color: var(--color-text-faint);
}

/* ==========================================================================
   Skip link
   ========================================================================== */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-3) var(--space-5);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
}
.skip-link:focus {
  top: var(--space-4);
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--hidden {
  transform: translateY(-100%);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
}
.brand:hover {
  color: var(--color-primary);
}
.brand-mark {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.nav-desktop {
  display: none;
}

@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-links a {
  position: relative;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-block: var(--space-1);
}
.nav-links a:hover,
.nav-links a.is-active {
  color: var(--color-text);
}
.nav-links a.is-active::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid transparent;
}
.icon-btn:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
  border-color: var(--color-border);
}
.icon-btn svg {
  width: 19px;
  height: 19px;
}

.nav-toggle {
  display: inline-flex;
}
@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

.mobile-nav {
  display: none;
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-bg);
}
.mobile-nav.is-open {
  display: block;
}
@media (min-width: 900px) {
  .mobile-nav {
    display: none !important;
  }
}
.mobile-nav ul {
  display: flex;
  flex-direction: column;
  padding: var(--space-2) 0 var(--space-5);
}
.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav a:hover,
.mobile-nav a.is-active {
  color: var(--color-primary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}
.btn-primary:active {
  background: var(--color-primary-active);
}

.btn-ghost {
  border-color: var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn svg {
  width: 16px;
  height: 16px;
}

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

.hero {
  position: relative;
  padding-block: clamp(var(--space-20), 12vw, var(--space-32)) clamp(var(--space-12), 6vw, var(--space-20));
  overflow: hidden;
}

.hero-grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
  align-items: end;
}

@media (min-width: 1000px) {
  .hero-grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}
.hero-kicker span.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-hero);
  letter-spacing: -0.02em;
  line-height: 0.98;
}
.hero-title em {
  font-style: normal;
  color: var(--color-primary);
}

.hero-role {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 46ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.hero-map {
  position: relative;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  overflow: hidden;
}

.hero-map svg {
  width: 100%;
  height: 100%;
}

.hero-map figcaption {
  position: absolute;
  left: var(--space-5);
  bottom: var(--space-5);
  right: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
}

/* Stat ticker */
.stat-bar {
  margin-top: clamp(var(--space-14), 8vw, var(--space-20));
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}
.stat {
  padding: var(--space-6) var(--space-5);
}
.stat:nth-child(odd) {
  border-right: 1px solid var(--color-divider);
}
.stat:nth-child(1),
.stat:nth-child(2) {
  border-bottom: 1px solid var(--color-divider);
}
@media (min-width: 760px) {
  .stat-bar {
    grid-template-columns: repeat(4, 1fr);
  }
  .stat:nth-child(1),
  .stat:nth-child(2) {
    border-bottom: none;
  }
  .stat {
    border-right: 1px solid var(--color-divider);
  }
  .stat:last-child {
    border-right: none;
  }
}
.stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
}
.stat-label {
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

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

.about-grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
}
@media (min-width: 900px) {
  .about-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.about-lede {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text);
}

.about-body {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  max-width: 62ch;
}
.about-body + .about-body {
  margin-top: var(--space-4);
}

.fact-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}
.fact-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}
.fact-row:last-child {
  border-bottom: none;
}
.fact-row dt {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.fact-row dd {
  color: var(--color-text);
  text-align: right;
}

.lang-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}
.lang-row:last-child {
  border-bottom: none;
}
.lang-name {
  font-size: var(--text-sm);
  width: 6.5rem;
  flex-shrink: 0;
}
.lang-track {
  flex: 1;
  height: 5px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  overflow: hidden;
}
.lang-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}
.lang-level {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  width: 4.5rem;
  text-align: right;
  flex-shrink: 0;
}

/* ==========================================================================
   Timeline (experience / education)
   ========================================================================== */

.timeline {
  display: flex;
  flex-direction: column;
}

.timeline-item {
  position: relative;
  display: grid;
  gap: var(--space-2) var(--space-8);
  padding-block: var(--space-8);
  border-bottom: 1px solid var(--color-divider);
}
.timeline-item:first-child {
  padding-top: 0;
}
.timeline-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

@media (min-width: 780px) {
  .timeline-item {
    grid-template-columns: 220px 1fr;
  }
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: var(--space-1);
}

.timeline-role {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.timeline-org {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-primary);
}
.timeline-org .sep {
  color: var(--color-text-faint);
  margin-inline: var(--space-2);
}

.timeline-place {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

.timeline-points {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-3) var(--space-8);
}
@media (min-width: 640px) {
  .timeline-points {
    grid-template-columns: 1fr 1fr;
  }
}
.timeline-points li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: none;
}
.timeline-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.timeline-points strong {
  color: var(--color-text);
  font-weight: 600;
}

.timeline-note {
  margin-top: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Skills
   ========================================================================== */

.skill-groups {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 720px) {
  .skill-groups {
    grid-template-columns: repeat(2, 1fr);
  }
}

.skill-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.skill-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.skill-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
}
.skill-card-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.skill-tag {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Projects
   ========================================================================== */

.project-card {
  display: grid;
  gap: var(--space-6);
  padding: clamp(var(--space-6), 4vw, var(--space-10));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
@media (min-width: 860px) {
  .project-card {
    grid-template-columns: 1fr 1.4fr;
  }
}
.project-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.project-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
}
.project-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.project-period {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
}
.project-points {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.project-points li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.project-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* Highlights (achievements) — asymmetric, not 3-col cards */
.highlight-row {
  display: grid;
  gap: var(--space-5);
  margin-top: clamp(var(--space-10), 5vw, var(--space-14));
}
@media (min-width: 860px) {
  .highlight-row {
    grid-template-columns: 1.3fr 1fr 1fr;
  }
}
.highlight {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.highlight--feature {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: transparent;
}
.highlight--feature .highlight-index,
.highlight--feature .highlight-title {
  color: var(--color-text-inverse);
}
.highlight--feature .highlight-desc {
  color: oklch(from var(--color-text-inverse) l c h / 0.82);
}
.highlight-index {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.highlight-title {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
}
.highlight-desc {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Resume
   ========================================================================== */

.resume-panel {
  display: grid;
  gap: clamp(var(--space-8), 5vw, var(--space-14));
  align-items: center;
  padding: clamp(var(--space-8), 5vw, var(--space-14));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
}
@media (min-width: 860px) {
  .resume-panel {
    grid-template-columns: 1fr auto;
  }
}
.resume-panel h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.resume-panel p {
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.resume-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

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

.contact-grid {
  display: grid;
  gap: clamp(var(--space-10), 6vw, var(--space-16));
}
@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.contact-title {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
  max-width: 14ch;
}
.contact-lede {
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  max-width: 46ch;
}
.contact-list {
  display: flex;
  flex-direction: column;
}
.contact-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-divider);
}
.contact-list .contact-row:first-child {
  padding-top: 0;
}
.contact-row:last-child {
  border-bottom: none;
}
.contact-row-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-row-label svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-row-value {
  font-size: var(--text-base);
  color: var(--color-text);
  text-align: right;
}
a.contact-row-value:hover {
  color: var(--color-primary);
}

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

.footer {
  border-top: 1px solid var(--color-divider);
  padding-block: var(--space-10);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer-brand svg {
  width: 22px;
  height: 22px;
  color: var(--color-primary);
}
.footer-links {
  display: flex;
  gap: var(--space-5);
}
.footer-links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.footer-links a:hover {
  color: var(--color-primary);
}
.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.back-to-top:hover {
  color: var(--color-primary);
}
.back-to-top svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ==========================================================================
   Signature scroll effects
   ========================================================================== */

/* Hero route: clip-path unveil instead of the generic fade, so the dotted
   path reads as a map being uncovered left-to-right (MUM -> AMS direction).
   The clip lives on the inner <svg>, not the observed [data-reveal] figure
   itself — clipping the observed element breaks its own intersection ratio
   in Chromium (a fully clipped target reports 0% visible forever). */
.hero-map[data-reveal] {
  opacity: 1;
  transform: none;
}
.hero-map svg {
  clip-path: inset(0 100% 0 0);
  transition: clip-path 1.1s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-map[data-reveal].is-visible svg {
  clip-path: inset(0 0 0 0);
}

/* Scroll-linked position marker travelling the route as the page scrolls */
.route-progress-dot {
  fill: var(--color-bg);
  stroke: var(--color-primary);
  stroke-width: 2.5;
  transition: cx 150ms cubic-bezier(0.16, 1, 0.3, 1), cy 150ms cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  .hero-map svg {
    clip-path: none;
    transition: none;
  }
  .route-progress-dot {
    transition: none;
  }
}

/* Language proficiency bars: fill from 0 once revealed, staggered per row */
.lang-fill {
  width: 0 !important;
  transition: width 900ms cubic-bezier(0.16, 1, 0.3, 1);
}
.lang-fill.is-filled {
  width: var(--lang-target, 0%) !important;
}
.lang-row:nth-child(1) .lang-fill { transition-delay: 0ms; }
.lang-row:nth-child(2) .lang-fill { transition-delay: 90ms; }
.lang-row:nth-child(3) .lang-fill { transition-delay: 180ms; }
.lang-row:nth-child(4) .lang-fill { transition-delay: 270ms; }

@media (prefers-reduced-motion: reduce) {
  .lang-fill {
    width: var(--lang-target, 0%) !important;
    transition: none;
  }
}

/* Skill tags: staggered fade+blur once the parent skill-card is revealed */
.skill-tag {
  opacity: 0;
  filter: blur(4px);
  transition: opacity 420ms cubic-bezier(0.16, 1, 0.3, 1), filter 420ms cubic-bezier(0.16, 1, 0.3, 1);
}
.skill-card.is-visible .skill-tag {
  opacity: 1;
  filter: none;
}
.skill-tags .skill-tag:nth-child(1) { transition-delay: 80ms; }
.skill-tags .skill-tag:nth-child(2) { transition-delay: 130ms; }
.skill-tags .skill-tag:nth-child(3) { transition-delay: 180ms; }
.skill-tags .skill-tag:nth-child(4) { transition-delay: 230ms; }
.skill-tags .skill-tag:nth-child(5) { transition-delay: 280ms; }
.skill-tags .skill-tag:nth-child(6) { transition-delay: 330ms; }
.skill-tags .skill-tag:nth-child(7) { transition-delay: 380ms; }

@media (prefers-reduced-motion: reduce) {
  .skill-tag {
    opacity: 1;
    filter: none;
    transition: none;
  }
}

/* Timeline: connecting line + node draws in as you scroll through entries */
@media (min-width: 780px) {
  .timeline {
    position: relative;
  }
  .timeline::before {
    content: '';
    position: absolute;
    left: 220px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--color-divider);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .timeline.is-tracked::before {
    transform: scaleY(1);
  }
  .timeline-item {
    position: relative;
  }
  .timeline-item::after {
    content: '';
    position: absolute;
    left: 220px;
    top: 2.05rem;
    transform: translate(-50%, -50%);
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 2px solid var(--color-bg);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
  }
  .timeline.is-tracked .timeline-item::after {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timeline::before,
  .timeline-item::after {
    transition: none;
  }
}