/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  color-scheme: dark;
  --dark-a: #0d1018;
  --dark-card: #1a1f2e;
  --ink: #e8eaf2;
  --ink-dim: rgba(232,234,242,0.55);
  --ink-faint: rgba(232,234,242,0.28);
  --muted: rgba(232,234,242,0.45);
  --accent: #4a8af4;
  --accent-soft: #7eb3f8;
  --accent-dim: rgba(74,138,244,0.15);
  --accent-soft-dim: rgba(126,179,248,0.12);
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-hover: 0 16px 48px rgba(0,0,0,0.45);
  --nav-bg: rgba(13, 16, 24, 0.78);
  --nav-border-scrolled: var(--border);
  --hero-glow-1: rgba(74,138,244,0.07);
  --hero-glow-2: rgba(74,138,244,0.045);
  --footer-muted: rgba(255,255,255,0.25);
  --skill-badge-bg: rgba(255,255,255,0.04);
  --badge-progress-bg: rgba(255,255,255,0.06);
  --hero-now-rule: rgba(255,255,255,0.08);
  --hero-now-card-bg: rgba(255,255,255,0.03);
  --hero-now-card-border: rgba(255,255,255,0.07);
  --hero-now-card-hover-border: rgba(74,138,244,0.3);
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-name: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="light"] {
  color-scheme: light;
  /* Warm paper-like neutrals (easier on the eyes than pure white / cool gray) */
  --dark-a: #e8e4dc;
  --dark-card: #f2efe8;
  --ink: #111827;
  --ink-dim: rgba(17,24,39,0.72);
  --ink-faint: rgba(17,24,39,0.38);
  --muted: rgba(17,24,39,0.58);
  --accent: #2f6fe0;
  --accent-soft: #4a8af4;
  --accent-dim: rgba(47,111,224,0.12);
  --accent-soft-dim: rgba(74,138,244,0.1);
  --border: rgba(17,24,39,0.1);
  --border-hover: rgba(17,24,39,0.2);
  --shadow: 0 4px 24px rgba(17,24,39,0.08);
  --shadow-hover: 0 16px 48px rgba(17,24,39,0.12);
  --nav-bg: rgba(232, 228, 220, 0.88);
  --nav-border-scrolled: rgba(17,24,39,0.08);
  --hero-glow-1: rgba(47,111,224,0.11);
  --hero-glow-2: rgba(74,138,244,0.07);
  --footer-muted: rgba(17,24,39,0.45);
  --skill-badge-bg: rgba(17,24,39,0.05);
  --badge-progress-bg: rgba(17,24,39,0.06);
  --hero-now-rule: rgba(17,24,39,0.12);
  --hero-now-card-bg: rgba(17,24,39,0.04);
  --hero-now-card-border: rgba(17,24,39,0.1);
  --hero-now-card-hover-border: rgba(47,111,224,0.35);
}

html {
  scroll-behavior: smooth;
  transition: background-color 0.35s ease, color 0.35s ease;
}

body {
  font-family: var(--font-body);
  background: var(--dark-a);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.35s ease, color 0.35s ease;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 clamp(1.5rem, 5vw, 4rem);
  height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  background: var(--nav-bg);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
nav.scrolled {
  border-bottom-color: var(--nav-border-scrolled);
  box-shadow: var(--shadow);
}
.nav-cluster {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.nav-logo {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-decoration: none;
}
.nav-links {
  display: flex; gap: 2rem; list-style: none; align-items: center;
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -3px; left: 0; right: 0;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.nav-links a:hover { color: var(--accent); }
.nav-links a:hover::after { transform: scaleX(1); }

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
[data-theme="light"] .theme-toggle {
  background: rgba(17,24,39,0.04);
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: rgba(74,138,244,0.35);
  background: var(--accent-dim);
}
[data-theme="light"] .theme-toggle:hover {
  border-color: rgba(47,111,224,0.35);
}
.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.theme-icon {
  display: block;
}
.theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem clamp(1.5rem, 8vw, 8rem) 6rem;
  position: relative;
  overflow: hidden;
  background: var(--dark-a);
  transition: background-color 0.35s ease;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 72% 58% at 82% 28%, var(--hero-glow-1) 0%, transparent 72%),
    radial-gradient(ellipse 48% 48% at 18% 78%, var(--hero-glow-2) 0%, transparent 62%);
}
.hero-inner {
  position: relative; z-index: 1;
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}
.hero-content {
  max-width: 100%;
}
.hero-header-row {
  display: flex;
  align-items: flex-start;
  gap: 1.15rem;
  margin-bottom: 1.35rem;
  opacity: 0;
  animation: fadeUp 0.75s 0.12s forwards;
}
.hero-avatar {
  width: 92px;
  height: 92px;
  flex-shrink: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(74,138,244,0.5);
  box-shadow:
    0 0 0 1px rgba(74,138,244,0.2),
    0 8px 28px rgba(0,0,0,0.2);
}
.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.97) contrast(1.02);
}
.hero-heading-block {
  min-width: 0;
  padding-top: 0.15rem;
}
h1.hero-name {
  font-family: var(--font-name);
  font-size: clamp(2rem, 4.2vw, 3.35rem);
  font-weight: 400;
  line-height: 1.12;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 0.45rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-soft);
  letter-spacing: 0.06em;
  margin: 0;
  line-height: 1.5;
  opacity: 0;
  animation: fadeUp 0.8s 0.28s forwards;
}
.hero-about-region > .hero-content-heading {
  opacity: 0;
  animation: fadeUp 0.8s 0.32s forwards;
}
.hero-desc-block {
  max-width: none;
  width: 100%;
  margin-bottom: 1.75rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.38s forwards;
}
.hero-desc {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.hero-desc-secondary {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.75;
  opacity: 0.88;
  margin-bottom: 0;
}
.hero-now-inline {
  max-width: none;
  width: 100%;
  margin-top: 0;
  border-top: 1px solid var(--hero-now-rule);
  border-bottom: 1px solid var(--hero-now-rule);
  padding: 1.5rem 0;
  opacity: 0;
  animation: fadeUp 0.8s 0.42s forwards;
}
.hero-content-heading {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
  margin: 0 0 1rem;
}
.hero-now-cards {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}
.hero-now-card {
  margin: 0;
  min-width: 0;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.55rem;
  background: var(--hero-now-card-bg);
  border: 1px solid var(--hero-now-card-border);
  border-radius: 8px;
  transition: border-color var(--transition);
}
.hero-now-card:hover {
  border-color: var(--hero-now-card-hover-border);
}
.hero-now-card-top {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.45rem;
  line-height: 1.2;
  flex-shrink: 0;
}
.hero-now-emoji {
  font-size: 1rem;
  line-height: 1;
  flex-shrink: 0;
}
.hero-now-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-soft);
  white-space: nowrap;
}
.hero-now-value {
  margin: 0;
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-dim);
  word-break: normal;
  overflow-wrap: normal;
  hyphens: none;
}
.hero-now-value--stacked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}
.hero-now-value-line {
  display: block;
  line-height: 1.45;
}
.hero-now-value-sub {
  display: block;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--muted);
  font-weight: 400;
}
.hero-ctas {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-top: 1.75rem;
  opacity: 0; animation: fadeUp 0.8s 0.52s forwards;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1.5px solid var(--accent);
}
.btn-primary:hover {
  background: #3a7ae8;
  border-color: #3a7ae8;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(74,138,244,0.35);
}
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border-hover);
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
  transform: translateY(-2px);
}
.hero-links {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  margin-top: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.62s forwards;
}
.hero-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-decoration: none;
  display: flex; align-items: center; gap: 0.4rem;
  transition: color var(--transition);
}
.hero-links a:hover { color: var(--accent); }
.hero-links .divider {
  width: 1px; height: 14px;
  background: var(--border);
}

/* ── UNIFIED SECTION SURFACE + blue atmosphere ── */
section:not(#hero) {
  position: relative;
  background: var(--dark-a);
  overflow: hidden;
  transition: background-color 0.35s ease;
}
section:not(#hero)::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
#experience::before {
  background: radial-gradient(ellipse 58% 48% at 90% 8%, rgba(74,138,244,0.06) 0%, transparent 68%);
}
#education::before {
  background: radial-gradient(ellipse 52% 44% at 10% 12%, rgba(74,138,244,0.055) 0%, transparent 65%);
}
#projects::before {
  background: radial-gradient(ellipse 50% 42% at 85% 88%, rgba(74,138,244,0.05) 0%, transparent 62%);
}
#contact::before {
  background: radial-gradient(ellipse 48% 40% at 20% 92%, rgba(74,138,244,0.05) 0%, transparent 58%);
}
section:not(#hero) > * {
  position: relative;
  z-index: 1;
}

/* ── SECTION COMMON ── */
section { padding: 6rem clamp(1.5rem, 8vw, 8rem); }
.section-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 0.75rem;
  display: flex; align-items: center; gap: 0.6rem;
}
.section-label::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--accent-dim);
  max-width: 60px;
}

/* Experience: same typographic format as .hero-content-heading, two steps up in size */
#experience .section-label {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 1rem;
}
#experience .section-label::after {
  display: none;
}

#education .section-label {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 1rem;
}
#education .section-label::after {
  display: none;
}

#projects .section-label {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 1rem;
}
#projects .section-label::after {
  display: none;
}

#contact .section-label {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: normal;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 1rem;
}
#contact .section-label::after {
  display: none;
}

.projects-skills-continued {
  margin-top: 4.5rem;
  padding-top: 0;
}

h2.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink);
  margin-bottom: 1rem;
  white-space: nowrap;
}
.section-sub {
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 3.5rem;
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ── PROJECT CONTROLS ── */
.project-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 2rem;
}

/* ── PROJECT FILTERS ── */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
}
.project-filter-btn {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.85rem;
  border-radius: 4px;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.project-filter-btn:hover {
  color: var(--accent-soft);
}
.project-filter-btn.is-active {
  color: var(--ink);
  border-bottom-color: var(--accent);
  background: var(--accent-dim);
}
.project-sort-btn {
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.project-sort-btn:hover {
  color: var(--accent-soft);
  border-color: var(--accent);
  background: var(--accent-dim);
}
.project-sort-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 360px));
  gap: 1.5rem;
  justify-content: start;
}
.project-card {
  width: 100%;
  max-width: 360px;
  background: var(--dark-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0;
  position: relative;
  overflow: hidden;
  transition:
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition),
    opacity 0.4s ease,
    filter 0.4s ease;
  cursor: default;
  display: flex;
  flex-direction: column;
}
.project-card.is-filter-hiding {
  opacity: 0;
  filter: blur(2px);
  transform: translateY(6px);
  pointer-events: none;
}
.project-card.is-filter-off {
  display: none;
}
.project-card.is-filter-no-trans {
  transition: none !important;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 2;
}
.project-card:hover {
  border-color: rgba(74,138,244,0.25);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover), 0 0 32px rgba(74,138,244,0.06);
}
.project-card:hover::before { transform: scaleX(1); }

.project-card-thumb {
  position: relative;
  height: 180px;
  width: 100%;
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(145deg, #1a2233 0%, #121820 50%, #161d2c 100%);
  transition: box-shadow var(--transition);
}
.project-card:hover .project-card-thumb {
  box-shadow:
    inset 0 0 0 1px rgba(74,138,244,0.35),
    0 0 24px rgba(74,138,244,0.12);
}
.project-thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease, filter 0.35s ease;
}
.project-card:hover .project-thumb-img {
  transform: scale(1.04);
  filter: brightness(0.78);
}
.project-card-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0);
  transition: background var(--transition);
  pointer-events: none;
  z-index: 1;
}
.project-card:hover .project-card-thumb::after {
  background: rgba(0,0,0,0.3);
}
.project-thumb-placeholder {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: rgba(232,234,242,0.2);
  background:
    radial-gradient(ellipse 78% 68% at 72% 22%, rgba(74,138,244,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 58% 58% at 18% 88%, rgba(126,179,248,0.08) 0%, transparent 48%),
    linear-gradient(160deg, #151b28 0%, #0e1118 100%);
  pointer-events: none;
}
.project-card-thumb.has-image .project-thumb-placeholder {
  display: none;
}

.project-card-body {
  padding: 1.5rem 2rem 2rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.project-card-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-soft);
  letter-spacing: 0.06em;
  margin-bottom: 0.65rem;
}
.project-badges {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  margin-bottom: 1rem;
}
.project-badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge-live     { background: var(--accent-dim);  color: var(--accent-soft); }
.badge-research { background: var(--accent-soft-dim); color: var(--accent-soft); }
.badge-progress { background: var(--badge-progress-bg); color: var(--ink-faint); }
.badge-insurance { background: var(--accent-soft-dim); color: var(--accent-soft); }
.badge-poc      { background: var(--accent-dim);  color: var(--accent); }
.badge-quantitative-finance {
  background: var(--accent-soft-dim);
  color: var(--accent-soft);
}
.badge-risk {
  background: rgba(74, 138, 244, 0.12);
  color: var(--accent);
}
.project-desc-confidential {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.75;
  margin: 0.65rem 0 0;
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.project-desc-short,
.project-desc-extra-inner p {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.75;
}
.project-desc-extra-inner p { margin-top: 0.65rem; }
.project-desc-wrap {
  margin-bottom: 0.35rem;
}
.project-desc-extra {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.project-desc-extra.is-open {
  grid-template-rows: 1fr;
}
.project-desc-extra-inner {
  overflow: hidden;
  min-height: 0;
}
.project-read-more {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0.35rem 0 1.1rem;
  padding: 0;
  border: none;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--transition);
  text-align: left;
}
.project-read-more:hover { color: var(--accent-soft); }
.project-read-more-arrow {
  display: inline-block;
  vertical-align: middle;
  width: 0.5em;
  height: 0.5em;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  margin-bottom: 0.15em;
  transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.project-read-more.is-open .project-read-more-arrow {
  transform: rotate(135deg);
  margin-bottom: -0.1em;
}
.project-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-top: auto;
}
.project-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  border: 1px solid var(--border);
  padding: 0.18rem 0.55rem;
  border-radius: 3px;
}
.project-github {
  display: inline-flex; align-items: center;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--transition), gap var(--transition);
  gap: 0.4rem;
}
.project-github::after {
  content: '→';
  transition: transform var(--transition);
}
.project-github:hover { color: var(--accent-soft); }
.project-github:hover::after { transform: translateX(3px); }

/* ── TIMELINE ── */
.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 0;
  width: 1.5px;
  background: linear-gradient(180deg, var(--accent) 0%, var(--border) 100%);
}
.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 2rem;
}
.timeline-item::before {
  content: '';
  position: absolute; left: -2.45rem; top: 6px;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--dark-a);
  border: 2px solid var(--accent);
  transition: background var(--transition);
}
.timeline-item:hover::before { background: var(--accent); }

/* ── EXPERIENCE (layout + type) ── */
#experience .timeline {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
#experience .timeline-desc,
#experience .timeline-bullets {
  max-width: none;
}
#experience .timeline-role {
  font-family: var(--font-body);
  font-weight: 500;
}
#experience .timeline-company {
  font-family: var(--font-name);
  font-weight: 500;
}
#experience .timeline-desc,
#experience .timeline-bullets li,
#education .timeline-bullets li {
  font-family: var(--font-body);
}
#education .timeline {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
#education .timeline-bullets {
  max-width: none;
}
#education .timeline-role {
  font-family: var(--font-body);
  font-weight: 500;
}
#education .timeline-company {
  font-family: var(--font-name);
  font-weight: 500;
}
.timeline-bullets--summary {
  margin: 0;
  gap: 1rem;
}
#experience .timeline-bullets--summary li,
#education .timeline-bullets--summary li {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-dim);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-soft);
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}
.timeline-role {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink-dim);
  margin-bottom: 0.15rem;
}
.timeline-company {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.75rem;
}
.timeline-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 560px;
  margin-bottom: 0.85rem;
}
.timeline-bullets {
  list-style: none;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.timeline-bullets li {
  font-size: 0.88rem;
  color: var(--ink-dim);
  line-height: 1.7;
  padding-left: 1.1rem;
  position: relative;
}
.timeline-bullets li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  top: 0.15rem;
}
.cert-badges {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  margin-top: 1rem;
}
.cert-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
}
.cert-passed {
  background: var(--accent-dim);
  border: 1px solid rgba(74,138,244,0.35);
  color: var(--accent);
}
.cert-progress {
  background: var(--accent-soft-dim);
  border: 1px solid rgba(126,179,248,0.28);
  color: var(--accent-soft);
}

/* ── SKILLS (nested under #projects) ── */
.skills-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2.5rem;
}
.skills-group h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin-bottom: 1.2rem;
}
.skill-badges {
  display: flex; flex-wrap: wrap; gap: 0.55rem;
}
.skill-badge {
  padding: 0.35rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 400;
  background: var(--skill-badge-bg);
  border: 1px solid var(--border);
  color: var(--ink-dim);
  transition: all var(--transition);
  cursor: default;
}
.skill-badge:hover {
  background: var(--accent-dim);
  border-color: rgba(74,138,244,0.35);
  color: var(--accent-soft);
  transform: translateY(-2px);
}

/* ── CONTACT ── */
/* Full width of section content (same inset as Skills / Projects); no centered 1100px column */
.contact-inner {
  width: 100%;
  max-width: none;
  margin: 0;
}
.contact-body {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  align-items: start;
}
.contact-copy {
  min-width: 0;
  text-align: left;
}
.contact-intro-text {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.85;
  margin: 0;
  max-width: none;
  width: 100%;
}
.contact-intro-text + .contact-intro-text {
  margin-top: 1rem;
}
.contact-link-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  width: 100%;
  max-width: 100%;
}
.contact-link-cards li {
  margin: 0;
  min-width: 0;
}
.contact-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 0.65rem;
  min-height: 100%;
  padding: 1.2rem;
  text-decoration: none;
  color: inherit;
  background: var(--hero-now-card-bg);
  border: 1px solid var(--hero-now-card-border);
  border-radius: 8px;
  transition: border-color var(--transition);
}
.contact-link-card:hover {
  border-color: var(--hero-now-card-hover-border);
}
.contact-link-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--accent-soft);
  flex-shrink: 0;
}
.contact-link-card-icon svg {
  width: 24px;
  height: 24px;
  display: block;
}
.contact-link-card-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-soft);
  text-align: center;
  line-height: 1.3;
}

/* ── FOOTER ── */
footer {
  position: relative;
  background: var(--dark-a);
  color: var(--footer-muted);
  text-align: center;
  padding: 2rem clamp(1.5rem, 8vw, 8rem);
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  border-top: 1px solid var(--border);
  overflow: hidden;
  transition: background-color 0.35s ease, color 0.35s ease;
}
footer::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 55% 45% at 50% 0%, rgba(74,138,244,0.04) 0%, transparent 55%);
}
footer p {
  position: relative;
  z-index: 1;
}
footer span { color: var(--accent-soft); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cluster { gap: 0.5rem; }
  h1.hero-name { font-size: clamp(1.65rem, 7vw, 2.4rem); }
  .hero-content { max-width: 100%; }
  .hero-header-row {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .hero-heading-block {
    text-align: center;
    padding-top: 0;
  }
  .hero-about-region > .hero-content-heading {
    text-align: center;
    width: 100%;
  }
  .hero-desc-block {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }
  .hero-desc,
  .hero-desc-secondary {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-now-inline {
    max-width: none;
    width: 100%;
  }
  .hero-now-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
  }
  .hero-links {
    justify-content: center;
  }
  h2.section-title { white-space: normal; }
  .contact-link-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .hero-now-cards {
    grid-template-columns: 1fr;
  }
}