/* ═══════════════════════════════════════════════════════════════
   ALEXEI IVANOV — Personal Website
   Design: Dark executive, electric-blue accent, gold highlights
   ═══════════════════════════════════════════════════════════════ */

/* ── TOKENS ─────────────────────────────────────────────────── */
:root {
  --bg-base:        #090d16;
  --bg-surface:     #0f1624;
  --bg-raised:      #141d30;
  --bg-card:        #111827;
  --border:         rgba(255, 255, 255, 0.07);
  --border-accent:  rgba(14, 165, 233, 0.3);

  --text-primary:   #f0f4fc;
  --text-secondary: #8a9ab8;
  --text-muted:     #4a5a78;

  --accent-blue:    #0ea5e9;
  --accent-blue-lo: rgba(14, 165, 233, 0.12);
  --accent-blue-md: rgba(14, 165, 233, 0.25);
  --accent-gold:    #d4af37;
  --accent-gold-lo: rgba(212, 175, 55, 0.12);

  --nav-h:          68px;
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      18px;

  --font-sans:      'Inter', 'DM Sans', system-ui, sans-serif;
  --transition:     0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── UTILITIES ───────────────────────────────────────────────── */
.accent        { color: var(--accent-blue); }
.accent--gold  { color: var(--accent-gold); }
.container     { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.br-desktop    { display: none; }
@media (min-width: 768px) { .br-desktop { display: block; } }

/* ── SCROLL REVEAL ───────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── NAVIGATION ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(9, 13, 22, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.nav__logo {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  transition: opacity var(--transition);
}
.nav__logo:hover { opacity: 0.7; }
.nav__links {
  display: none;
  gap: 36px;
}
@media (min-width: 768px) { .nav__links { display: flex; } }
.nav__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--text-primary); }
.nav__cta {
  background: var(--accent-blue-lo);
  border: 1px solid var(--border-accent);
  color: var(--accent-blue) !important;
  padding: 6px 18px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition) !important;
}
.nav__cta:hover {
  background: var(--accent-blue) !important;
  color: var(--bg-base) !important;
}
.nav__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
@media (min-width: 768px) { .nav__hamburger { display: none; } }
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  background: rgba(9, 13, 22, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 16px 24px 24px;
  gap: 4px;
}
.nav__mobile.open { display: flex; }
.mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-link:last-child { border-bottom: none; }
.mobile-link:hover { color: var(--text-primary); }

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent-blue);
  color: #fff;
  box-shadow: 0 0 32px rgba(14, 165, 233, 0.25);
}
.btn--primary:hover {
  background: #38bdf8;
  box-shadow: 0 0 48px rgba(14, 165, 233, 0.4);
  transform: translateY(-2px);
}
.btn--secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn--secondary:hover {
  border-color: var(--border-accent);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* ── HERO ────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--nav-h) 24px 80px;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(14, 165, 233, 0.06) 0%, transparent 70%),
              radial-gradient(ellipse 50% 40% at 80% 20%, rgba(212, 175, 55, 0.04) 0%, transparent 60%);
}
.hero__geo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(900px, 120vw);
  height: auto;
  opacity: 0.9;
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
}
.hero__badge {
  display: inline-block;
  background: var(--accent-blue-lo);
  border: 1px solid var(--border-accent);
  color: var(--accent-blue);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
}
.hero__name {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.hero__title {
  font-size: clamp(0.9rem, 2.2vw, 1.15rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero__value {
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 44px;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero__scroll-indicator span {
  display: block;
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, var(--accent-blue), transparent);
  animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.7); }
}

/* ── SECTIONS ────────────────────────────────────────────────── */
.section {
  padding: 100px 0;
  position: relative;
}
.section:nth-child(odd) { background: var(--bg-base); }
.section:nth-child(even) { background: var(--bg-surface); }

.section__header {
  margin-bottom: 60px;
}
.section__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-blue);
  margin-bottom: 10px;
}
.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* ── ABOUT ───────────────────────────────────────────────────── */
.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: start;
}
@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1fr 340px; gap: 80px; }
}
/* prevent grid children from overflowing their tracks */
.about__bio,
.about__stats { min-width: 0; }
.about__bio p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.about__bio p:last-child { margin-bottom: 0; }
.about__bio strong { color: var(--text-primary); font-weight: 600; }
.about__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color var(--transition);
}
.stat-card:hover { border-color: var(--border-accent); }
.stat-card__number {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}
.stat-card__label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.4;
}

/* ── INDUSTRY SECTORS ───────────────────────────────────────── */
.about__sectors {
  grid-column: 1 / -1;
  margin-top: 12px;
}
.about__sectors-title {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.sector-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.sector-tile {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}
.sector-tile:hover {
  border-color: var(--border-accent);
  background: var(--accent-blue-lo);
  transform: translateY(-2px);
}
.sector-tile svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke: var(--accent-blue);
  opacity: 0.7;
}
.sector-tile:hover svg {
  opacity: 1;
}
.sector-tile__label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.3;
}
.sector-tile__sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
}
@media (max-width: 639px) {
  .sector-tiles { gap: 8px; }
  .sector-tile { padding: 8px 12px; }
}

/* ── MY APPROACH ─────────────────────────────────────────────── */
.approach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: start;
}
@media (min-width: 960px) {
  .approach__grid { grid-template-columns: 1fr 340px; gap: 80px; }
}
.approach__manifesto p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}
.approach__manifesto p:last-child { margin-bottom: 0; }
.approach__manifesto strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ── APPROACH VOICE CARDS (sidebar quotes) ───────────────────── */
.approach__voices {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.approach__voices-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.voice-card {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 24px 22px 20px;
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.voice-card:hover {
  border-color: var(--border-accent);
  border-left-color: var(--accent-blue);
  transform: translateX(4px);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.08);
}
.voice-card--gold {
  border-left-color: var(--accent-gold);
}
.voice-card--gold:hover {
  border-left-color: var(--accent-gold);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.07);
}
/* Subtle ambient glow behind the card */
.voice-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at right, rgba(14, 165, 233, 0.04) 0%, transparent 70%);
  pointer-events: none;
}
.voice-card--gold::before {
  background: radial-gradient(ellipse at right, rgba(212, 175, 55, 0.04) 0%, transparent 70%);
}
/* Shimmer sweep */
.voice-card::after {
  content: '';
  position: absolute;
  top: 0; left: -70%;
  width: 55%; height: 100%;
  background: linear-gradient(105deg, transparent 0%, rgba(255,255,255,.04) 50%, transparent 100%);
  pointer-events: none;
  transition: left .55s ease;
}
.voice-card:hover::after { left: 130%; }
.voice-card__ornament {
  display: block;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 3.5rem;
  line-height: 0.7;
  color: rgba(14, 165, 233, 0.18);
  margin-bottom: 6px;
  user-select: none;
  transition: color var(--transition);
}
.voice-card:hover .voice-card__ornament {
  color: rgba(14, 165, 233, 0.3);
}
.voice-card--gold .voice-card__ornament {
  color: rgba(212, 175, 55, 0.18);
}
.voice-card--gold:hover .voice-card__ornament {
  color: rgba(212, 175, 55, 0.3);
}
.voice-card__text {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.72;
  margin-bottom: 18px;
  border: none;
  padding: 0;
}
.voice-card__author {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.voice-card__avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-blue-lo);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.58rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.06em;
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  transition: box-shadow var(--transition);
}
.voice-card:hover .voice-card__avatar {
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.3);
}
.voice-card__avatar--gold {
  background: var(--accent-gold-lo);
  border-color: rgba(212, 175, 55, 0.25);
  color: var(--accent-gold);
}
.voice-card--gold:hover .voice-card__avatar--gold {
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.25);
}
.voice-card__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.voice-card__name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.voice-card__role {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}
@media (max-width: 639px) {
  .voice-card { padding: 20px 18px; }
  .voice-card__ornament { font-size: 2.8rem; }
}

/* ── CURRENT FOCUS ──────────────────────────────────────────── */
.focus__intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  font-style: italic;
}
.focus__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .focus__grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
  }
}
.focus__card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.focus__card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(14, 165, 233, 0.08);
}
.focus__card--featured {
  border-color: rgba(14, 165, 233, 0.2);
}
.focus__card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold), var(--accent-blue));
  background-size: 200% 100%;
  animation: focusGradient 4s linear infinite;
}
@keyframes focusGradient {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}
.focus__card-glow {
  position: absolute;
  top: -40%;
  left: -20%;
  width: 140%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.06) 0%, transparent 70%);
  pointer-events: none;
}
.focus__card-inner {
  position: relative;
  padding: 32px 28px;
  z-index: 1;
}
.focus__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue-lo);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}
.focus__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-blue);
}
.focus__icon--gold {
  background: var(--accent-gold-lo);
  border-color: rgba(212, 175, 55, 0.25);
}
.focus__icon--gold svg {
  stroke: var(--accent-gold);
}
.focus__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.focus__desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}
.focus__signal {
  display: flex;
  align-items: center;
  gap: 8px;
}
.focus__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 8px rgba(14, 165, 233, 0.6);
  animation: focusPulse 2s ease-in-out infinite;
}
.focus__pulse--gold {
  background: var(--accent-gold);
  box-shadow: 0 0 8px rgba(212, 175, 55, 0.6);
}
@keyframes focusPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.focus__status {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── ACHIEVEMENT IMPACT ─────────────────────────────────────── */
.achievement-card__impact {
  font-size: 0.8rem;
  color: var(--accent-blue);
  line-height: 1.6;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  opacity: 0.85;
}
.achievement-card__impact-label {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--accent-gold);
}

/* ── EXPERIENCE / TIMELINE ───────────────────────────────────── */
.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline__item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 0 24px;
  padding-bottom: 48px;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 4px;
}
.timeline__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 16px rgba(14, 165, 233, 0.5);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.timeline__line {
  flex: 1;
  width: 1px;
  background: linear-gradient(to bottom, rgba(14, 165, 233, 0.4), transparent);
  margin-top: 8px;
}
.timeline__item:last-child .timeline__line { display: none; }
.timeline__card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 28px 24px;
  transition: border-color var(--transition), transform var(--transition);
}
.timeline__card:hover {
  border-color: var(--border-accent);
  transform: translateX(4px);
}
.timeline__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.timeline__period {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 0.04em;
}
.timeline__badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 100px;
}
.timeline__badge--current {
  background: rgba(14, 165, 233, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(14, 165, 233, 0.3);
}
.timeline__badge--concurrent {
  background: rgba(212, 175, 55, 0.12);
  color: var(--accent-gold);
  border: 1px solid rgba(212, 175, 55, 0.25);
}
.timeline__role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.timeline__company {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 14px;
}
.timeline__desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}
.timeline__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.timeline__tags span {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ── COMPETENCIES ────────────────────────────────────────────── */
.competency-groups {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 900px) {
  .competency-groups { grid-template-columns: 1fr 1fr; gap: 40px; }
}
.competency-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}
.competency-group:hover { border-color: var(--border-accent); }
.competency-group__header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.competency-group__icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue-lo);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.competency-group__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-blue);
}
.competency-group__icon--gold {
  background: var(--accent-gold-lo);
  border-color: rgba(212, 175, 55, 0.25);
}
.competency-group__icon--gold svg { stroke: var(--accent-gold); }
.competency-group__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.competency-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.competency-card {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  transition: border-color var(--transition), background var(--transition);
}
.competency-card:hover {
  border-color: var(--border-accent);
  background: var(--accent-blue-lo);
}
.competency-card svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  stroke: var(--accent-blue);
  opacity: 0.8;
}
.competency-card span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* ── ACHIEVEMENTS ────────────────────────────────────────────── */
.achievement-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) { .achievement-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) {
  .achievement-grid { grid-template-columns: repeat(4, 1fr); gap: 20px; }
}
.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.achievement-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.achievement-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(14, 165, 233, 0.08);
}
.achievement-card:hover::before { opacity: 1; }
.achievement-card:nth-child(even)::before {
  background: linear-gradient(90deg, var(--accent-gold), transparent);
}
.achievement-card:nth-child(even):hover {
  box-shadow: 0 16px 48px rgba(212, 175, 55, 0.06);
}
.achievement-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue-lo);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
}
.achievement-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--accent-blue);
}
.achievement-card__icon--gold {
  background: var(--accent-gold-lo);
  border-color: rgba(212, 175, 55, 0.25);
}
.achievement-card__icon--gold svg { stroke: var(--accent-gold); }
.achievement-card__metric {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.achievement-card__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2px;
  margin-bottom: 8px;
  line-height: 1.35;
}
.achievement-card__desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

/* ── CONTACT ─────────────────────────────────────────────────── */
.contact { background: var(--bg-base); }
.contact__intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}
.contact__cards {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  min-width: 260px;
  flex: 1;
  transition: border-color var(--transition), transform var(--transition);
}
a.contact-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
}
.contact-card--static { cursor: default; }
.contact-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.contact-card__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--text-muted);
}
.contact-card__icon--blue { background: var(--accent-blue-lo); border-color: var(--border-accent); }
.contact-card__icon--blue svg { fill: var(--accent-blue); stroke: none; }
.contact-card__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.contact-card__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.contact-card__value {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* ── FOOTER ──────────────────────────────────────────────────── */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}
.footer__copy {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ── SELECTION & SCROLLBAR ───────────────────────────────────── */
::selection { background: rgba(14, 165, 233, 0.25); color: var(--text-primary); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--bg-raised); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── FOCUS ───────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── RESPONSIVE ADJUSTMENTS ──────────────────────────────────── */
@media (max-width: 639px) {
  .section { padding: 72px 0; }
  .section__header { margin-bottom: 40px; }
  .timeline__item { grid-template-columns: 28px 1fr; gap: 0 16px; }
  .timeline__card { padding: 20px; }
  .competency-group { padding: 24px; }
  .competency-cards { grid-template-columns: 1fr; }
  .achievement-card { padding: 24px; }
  .contact__cards { flex-direction: column; }
  .contact-card { min-width: unset; }
  .about__stats { grid-template-columns: 1fr 1fr; }
  .hero__actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; max-width: 280px; }
}

@media (min-width: 640px) and (max-width: 899px) {
  .competency-cards { grid-template-columns: 1fr 1fr; }
}

/* ── REDUCED MOTION ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero__scroll-indicator span { animation: none; }
  *, *::before, *::after { transition: none !important; }
}
/* ═══════════════════════════════════════════════════════════════
   STYLES-V2.CSS  —  Dynamic effect layer (loaded AFTER styles.css)
   Adds: neural canvas · glitch · shimmer · scan · pulse · ticker
         metric bars · ripple · section scan · parallax tweaks
   ═══════════════════════════════════════════════════════════════ */

/* ── NEURAL CANVAS ─────────────────────────────────────────────── */
.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  will-change: transform;
  transition: transform .08s linear;
}

/* remove old SVG geo — canvas replaces it */
.hero__geo { display: none; }

/* slightly tighten the hero radial overlay so canvas shows more */
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 75% 65% at 50% 50%,
    transparent 30%,
    rgba(9, 13, 22, .72) 100%
  );
  pointer-events: none;
  z-index: 2;
}

/* ── HERO CONTENT sits above canvas ────────────────────────────── */
.hero__content {
  z-index: 3;
}

/* ── GLITCH ANIMATION on hero name ─────────────────────────────── */
@keyframes glitch {
  0%, 85%, 100% {
    text-shadow: none;
    transform: none;
    filter: none;
  }
  86% {
    text-shadow:
      -5px  0 0 rgba(255, 0, 80, .85),
       5px  0 0 rgba(0, 210, 255, .85);
    transform: translate(-3px, 0);
    filter: brightness(1.25);
  }
  87% {
    text-shadow:
       5px  0 0 rgba(255, 0, 80, .7),
      -3px  0 0 rgba(0, 210, 255, .7);
    transform: translate(3px, 0);
  }
  88% {
    text-shadow: none;
    transform: translate(0, -1px);
  }
  89% {
    text-shadow:
      -2px  0 0 rgba(255, 0, 80, .45),
       2px  0 0 rgba(0, 210, 255, .45);
    transform: translate(1px, 0);
  }
  90% {
    text-shadow: none;
    transform: none;
  }
}

.hero__name {
  animation: glitch 11s ease-in-out infinite;
}

/* ── HERO TICKER ────────────────────────────────────────────────── */
.hero__ticker-wrap {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-top: 1.5rem;
  font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  font-size: .72rem;
  letter-spacing: .06em;
}

.hero__ticker-label {
  color: var(--accent-blue);
  opacity: .6;
  flex-shrink: 0;
}

#heroTicker {
  color: rgba(255, 255, 255, .4);
  transition: opacity .35s ease, transform .35s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 55ch;
}

/* ── SCAN LINE on hero — very subtle ambient pass ──────────────── */
@keyframes scanLine {
  0%   { top: 0%;   opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.hero::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(14, 165, 233, .06) 25%,
    rgba(14, 165, 233, .13) 50%,
    rgba(14, 165, 233, .06) 75%,
    transparent 100%
  );
  z-index: 4;
  pointer-events: none;
  animation: scanLine 18s linear infinite;
}

/* ── PULSING TIMELINE DOTS ─────────────────────────────────────── */
@keyframes rippleRing {
  0%   { transform: translate(-50%, -50%) scale(1); opacity: .6; }
  100% { transform: translate(-50%, -50%) scale(3.2); opacity: 0; }
}

.timeline__dot {
  position: relative;
  overflow: visible;
}
.timeline__dot::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--accent-blue);
  pointer-events: none;
  animation: rippleRing 2.4s ease-out infinite;
}
.timeline__dot::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--accent-blue);
  pointer-events: none;
  animation: rippleRing 2.4s ease-out infinite .8s;
}

/* ── SHIMMER on cards (hover sweep) ────────────────────────────── */
.achievement-card,
.competency-group,
.stat-card,
.contact-card,
.focus__card {
  overflow: hidden;
}

.achievement-card::after,
.competency-group::after,
.stat-card::after,
.focus__card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -70%;
  width: 55%;
  height: 100%;
  background: linear-gradient(
    105deg,
    transparent 0%,
    rgba(255, 255, 255, .04) 50%,
    transparent 100%
  );
  pointer-events: none;
  transition: left .65s ease;
}

.achievement-card:hover::after { left: 130%; }
.competency-group:hover::after  { left: 130%; }
.stat-card:hover::after         { left: 130%; }
.focus__card:hover::after       { left: 130%; }

/* ── METRIC BARS in achievement cards ─────────────────────────── */
.metric-bar {
  height: 2px;
  background: rgba(255, 255, 255, .06);
  border-radius: 1px;
  margin-top: .6rem;
  overflow: hidden;
}

.metric-bar__fill {
  height: 100%;
  width: 0%;
  border-radius: 1px;
  background: linear-gradient(
    90deg,
    var(--accent-blue) 0%,
    rgba(14, 165, 233, .8) 60%,
    var(--accent-gold) 100%
  );
  transition: width 1.6s cubic-bezier(.25, 1, .5, 1);
}

.achievement-card__icon--gold ~ .achievement-card__body .metric-bar__fill {
  background: linear-gradient(
    90deg,
    var(--accent-gold) 0%,
    rgba(212, 175, 55, .8) 60%,
    var(--accent-blue) 100%
  );
}

/* ── RIPPLE DOT (JS injected on card hover) ─────────────────────── */
@keyframes rippleFade {
  0%   { transform: translate(-50%, -50%) scale(0); opacity: .35; }
  100% { transform: translate(-50%, -50%) scale(5); opacity: 0; }
}

.ripple-dot {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(14, 165, 233, .18);
  pointer-events: none;
  animation: rippleFade .65s ease-out forwards;
}

/* ── SECTION HEADER SCAN ──────────────────────────────────────── */
@keyframes scanH {
  0%   { transform: scaleX(0); opacity: 0; }
  15%  { opacity: 1; }
  100% { transform: scaleX(1); opacity: 1; }
}

.section__header {
  position: relative;
}
.section__header::after {
  content: '';
  position: absolute;
  bottom: -.75rem;
  left: 0;
  width: 48px;
  height: 1.5px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: none;
}
.section__header.scan-active::after {
  animation: scanH .9s ease-out .15s forwards;
}

/* ── ACTIVE NAV LINK ────────────────────────────────────────────── */
.nav__links a.active {
  color: var(--accent-blue);
  background: rgba(14, 165, 233, .08);
  border-radius: 4px;
}

/* ── ENHANCED TIMELINE CARD hover glow ─────────────────────────── */
.timeline__card {
  transition: border-color .25s ease, box-shadow .25s ease;
}
.timeline__card:hover {
  box-shadow: 0 0 0 1px rgba(14, 165, 233, .15),
              0 8px 32px rgba(14, 165, 233, .06);
}

/* ── ENHANCED ACHIEVEMENT CARD hover ───────────────────────────── */
.achievement-card {
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.achievement-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(14, 165, 233, .08);
}

/* ── ENHANCED COMPETENCY GROUP hover ──────────────────────────── */
.competency-group {
  transition: transform .25s ease, border-color .25s ease;
}
.competency-group:hover {
  transform: translateY(-1px);
}

/* ── HERO VALUE bold words glow ────────────────────────────────── */
.hero__value strong {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-color: rgba(14, 165, 233, .3);
  text-underline-offset: 3px;
}

/* ── STAT CARD subtle glow on hover ────────────────────────────── */
.stat-card {
  position: relative; /* required so ::after shimmer clips to the card */
  transition: border-color .25s ease, box-shadow .25s ease;
}
.stat-card:hover {
  box-shadow: 0 0 0 1px rgba(14, 165, 233, .25),
              0 6px 20px rgba(14, 165, 233, .07);
}

/* ── CONTACT CARDS layout — all 4 in one row ───────────────────── */
.contact__cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {
  .contact__cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .contact__cards { grid-template-columns: 1fr; }
}

/* ── CONTACT CARD hover glow ───────────────────────────────────── */
.contact-card {
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.contact-card:not(.contact-card--static):hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14, 165, 233, .07);
}

/* prevent any value text from overflowing its card */
.contact-card__body {
  min-width: 0;
}
.contact-card__value {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── CONTACT CARD icon colours ─────────────────────────────────── */

/* Email — sky blue */
.contact-card__icon--blue {
  background: rgba(14, 165, 233, .1);
  border-color: rgba(14, 165, 233, .28);
}
.contact-card__icon--blue svg {
  stroke: #0ea5e9;
  fill: none;
}
/* LinkedIn SVG uses fill not stroke — keep it filled */
.contact-card__icon--blue svg[fill="currentColor"] {
  fill: #0ea5e9;
  stroke: none;
}

/* Telegram — teal */
.contact-card__icon--teal {
  background: rgba(20, 184, 166, .1);
  border-color: rgba(20, 184, 166, .28);
}
.contact-card__icon--teal svg {
  fill: #14b8a6;
  stroke: none;
}

/* Location — gold */
.contact-card__icon--gold {
  background: rgba(212, 175, 55, .1);
  border-color: rgba(212, 175, 55, .28);
}
.contact-card__icon--gold svg {
  stroke: #d4af37;
  fill: none;
}

/* ── BUTTONS enhanced glow ─────────────────────────────────────── */
.btn--primary:hover {
  box-shadow: 0 0 28px rgba(14, 165, 233, .4),
              0 6px 20px rgba(14, 165, 233, .25);
}
.btn--secondary:hover {
  box-shadow: 0 0 16px rgba(14, 165, 233, .2);
}

/* ── FOOTER glow line ──────────────────────────────────────────── */
.footer {
  border-top: 1px solid rgba(14, 165, 233, .15);
  position: relative;
}
.footer::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(14, 165, 233, .5) 30%,
    rgba(212, 175, 55, .4) 70%,
    transparent 100%
  );
}

/* ── HERO SCROLL INDICATOR ─────────────────────────────────────── */
.hero__scroll-indicator span {
  background: linear-gradient(
    to bottom,
    var(--accent-blue),
    var(--accent-gold),
    transparent
  );
}

/* ── SCROLL NAV BUTTON ─────────────────────────────────────────── */
.scroll-nav {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(14, 165, 233, .32);
  background: rgba(9, 13, 22, .75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: #0ea5e9;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity .3s ease,
    transform .3s ease,
    border-color .25s,
    box-shadow .25s;
  pointer-events: none;
}

.scroll-nav.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-nav:hover {
  border-color: rgba(14, 165, 233, .7);
  box-shadow:
    0 0 20px rgba(14, 165, 233, .25),
    0 0 6px  rgba(14, 165, 233, .15),
    inset 0 0 12px rgba(14, 165, 233, .06);
}

.scroll-nav__icon {
  transition: transform .4s cubic-bezier(.34, 1.56, .64, 1);
}

.scroll-nav.at-top .scroll-nav__icon {
  transform: rotate(180deg);
}

/* ── RESPONSIVE ────────────────────────────────────────────────── */
@media (max-width: 640px) {
  #heroTicker { display: none; }
  .hero__ticker-wrap { display: none; }
  .scroll-nav { bottom: 1.25rem; right: 1.25rem; }
}