/* Татьяна Ильвутикова — резюме-сайт */
:root {
  --bg: #0c1222;
  --bg-elevated: #121a2e;
  --bg-alt: #0f1729;
  --text: #e8edf7;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-dim: rgba(56, 189, 248, 0.15);
  --border: rgba(148, 163, 184, 0.12);
  --radius: 12px;
  --font-sans: "Manrope", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, rgba(56, 189, 248, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(99, 102, 241, 0.06), transparent);
  min-height: 100vh;
}

.skip-link {
  position: absolute;
  left: -9999px;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: #7dd3fc;
}

.wrap {
  width: min(1100px, 100% - 2.5rem);
  margin-inline: auto;
}

.narrow {
  max-width: 720px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 18, 34, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 1rem;
}

.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--accent);
}

.logo-dot {
  color: var(--accent);
}

.nav {
  display: none;
  gap: 1.5rem;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 500;
}

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

.nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent) !important;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.nav-cta:hover {
  background: rgba(56, 189, 248, 0.22);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header.is-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header.is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 0 1.25rem 1.25rem;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.mobile-nav a {
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.5rem 0;
}

.mobile-nav a:hover {
  color: var(--text);
}

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

@media (min-width: 860px) {
  .nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }

  .mobile-nav {
    display: none !important;
  }
}

/* Hero */
.hero {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3rem, 8vw, 5rem);
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr minmax(260px, 320px);
    gap: 3rem;
  }
}

.hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-role {
  margin: 0.5rem 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-muted);
}

.hero-lead {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 52ch;
}

.hero-meta {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  font-size: 0.9375rem;
}

.hero-meta li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: baseline;
}

.meta-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  min-width: 5.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: #fff;
  box-shadow: 0 4px 20px rgba(14, 165, 233, 0.35);
}

.btn-primary:hover {
  color: #fff;
  filter: brightness(1.08);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--accent);
}

.hero-card {
  position: relative;
}

.hero-card-inner {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hero-card-inner::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: calc(var(--radius) + 1px);
  padding: 1px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.35), transparent 50%, rgba(99, 102, 241, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card-updated {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 1.25rem;
}

.card-facts {
  margin: 0;
  display: grid;
  gap: 1rem;
}

.card-facts div {
  display: grid;
  gap: 0.25rem;
}

.card-facts dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
}

.card-facts dd {
  margin: 0;
  font-size: 0.9375rem;
}

/* Sections */
.section {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
}

.section-alt {
  background: rgba(15, 23, 41, 0.6);
  border-block: 1px solid var(--border);
}

.section-title {
  margin: 0 0 1.5rem;
  font-size: clamp(1.35rem, 2.5vw, 1.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.prose {
  margin: 0;
  color: var(--text-muted);
}

/* Timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--border);
  margin-left: 0.5rem;
  padding-left: 1.5rem;
}

.timeline > li {
  position: relative;
  padding-bottom: 2rem;
}

.timeline > li:last-child {
  padding-bottom: 0;
}

.timeline > li::before {
  content: "";
  position: absolute;
  left: calc(-1.5rem - 7px);
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.job {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.job-head h3 {
  margin: 0 0 0.35rem;
  font-size: 1.125rem;
  font-weight: 600;
}

.job-company {
  margin: 0 0 0.25rem;
  color: var(--accent);
  font-weight: 500;
}

.job-company a {
  font-weight: 500;
}

.job-period {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.job-duration {
  color: var(--text-muted);
  opacity: 0.85;
}

.job-desc {
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: 0.96875rem;
}

.job-stack {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Skills */
.skills-sub {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tags li {
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* Education */
.edu h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.edu p {
  margin: 0;
  color: var(--text-muted);
}

/* CTA */
.section-cta {
  padding-bottom: clamp(3rem, 8vw, 4.5rem);
}

.cta-inner {
  text-align: center;
}

.cta-text {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
}

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: center;
}

.contact-list a {
  font-size: 1.125rem;
  font-weight: 600;
}

.contact-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}

.footer-inner p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

/* Print */
@media print {
  .site-header,
  .hero-actions,
  .nav-toggle,
  .mobile-nav,
  .skip-link {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  a {
    color: #0369a1;
  }

  .hero-card-inner,
  .job {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}