:root {
  color-scheme: light;
  --bg: #f5f6f0;
  --panel: #fbfcf8;
  --text: #17211a;
  --muted: #465348;
  --subtle: #6d776e;
  --line: rgba(42, 53, 44, 0.16);
  --line-strong: rgba(38, 137, 78, 0.38);
  --accent: #2f9e5a;
  --accent-soft: rgba(47, 158, 90, 0.09);
  --accent-strong: #247a46;
  --header-bg: rgba(245, 246, 240, 0.86);
  --header-bg-scrolled: rgba(245, 246, 240, 0.97);
  --menu-bg: rgba(251, 252, 248, 0.98);
  --noise-dot: rgba(42, 53, 44, 0.1);
  --noise-opacity: 0.06;
  --floating-shadow: 0 10px 28px rgba(23, 32, 26, 0.08);
  --max-width: 980px;
  --radius: 8px;
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0d0c;
  --panel: #141916;
  --text: #f2f5ef;
  --muted: #b6c0b5;
  --subtle: #7f8c82;
  --line: rgba(242, 245, 239, 0.12);
  --line-strong: rgba(125, 220, 155, 0.32);
  --accent: #7ddc9b;
  --accent-soft: rgba(125, 220, 155, 0.1);
  --accent-strong: #8ee6a8;
  --header-bg: rgba(11, 13, 12, 0.82);
  --header-bg-scrolled: rgba(11, 13, 12, 0.95);
  --menu-bg: rgba(16, 20, 17, 0.98);
  --noise-dot: rgba(255, 255, 255, 0.14);
  --noise-opacity: 0.1;
  --floating-shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, var(--accent-soft), transparent 14rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: var(--noise-opacity);
  background-image: radial-gradient(circle at 1px 1px, var(--noise-dot) 1px, transparent 0);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, black, transparent 65%);
}

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

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 4px;
}

p,
h1,
h2,
h3,
dl {
  margin-top: 0;
}

p {
  color: var(--muted);
}

ul {
  margin: 0;
  padding: 0;
}

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 20;
  transform: translateY(-180%);
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid transparent;
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  transition: border-color 180ms ease, background 180ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: var(--header-bg-scrolled);
}

.nav,
.section-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 62px;
  gap: 1rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.16rem;
}

.nav-links a {
  padding: 0.46rem 0.65rem;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.94rem;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.nav-links a:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.nav-links .nav-cv {
  border: 1px solid var(--line-strong);
  color: var(--accent-strong);
}

.theme-toggle {
  display: none;
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 12;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.45rem 0.68rem;
  background: var(--panel);
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: var(--floating-shadow);
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.js .theme-toggle {
  display: inline-flex;
  align-items: center;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  color: var(--text);
  background: var(--accent-soft);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:first-of-type {
  transform: translateY(3px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:last-of-type {
  transform: translateY(-3px) rotate(-45deg);
}

.section-shell {
  padding: 2.6rem 0;
  border-top: 1px solid var(--line);
}

.intro {
  max-width: 760px;
  padding-top: 3.1rem;
  border-top: 0;
}

h1 {
  margin-bottom: 0.35rem;
  font-size: clamp(2.15rem, 5vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.25rem;
  font-size: 1.04rem;
  line-height: 1.25;
}

.subtitle {
  margin-bottom: 0.9rem;
  color: var(--accent-strong);
  font-size: 1.02rem;
}

.summary {
  max-width: 720px;
  margin-bottom: 0;
  font-size: 1.02rem;
}

.intro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.15rem;
}

.button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.56rem 0.76rem;
  color: var(--muted);
  font-weight: 720;
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  color: var(--text);
  background: var(--accent-soft);
}

.button-primary {
  border-color: var(--line-strong);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.resume-card,
.skill-group,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.timeline {
  display: grid;
  gap: 0.75rem;
}

.resume-card {
  position: relative;
  padding: 1rem;
}

.resume-card::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0.9rem;
  bottom: 0.9rem;
  width: 3px;
  border-radius: 999px;
  background: var(--accent);
}

.card-head {
  margin-bottom: 0.5rem;
}

.role {
  margin: 0;
  color: var(--accent-strong);
  font-size: 0.94rem;
}

.check-list {
  display: grid;
  gap: 0.18rem;
  margin-top: 0.65rem;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.skills-grid {
  display: grid;
  gap: 0.65rem;
}

.skill-group {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 1rem;
  align-items: baseline;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.skill-group h3 {
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 760;
}

.skill-group p {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 1.2rem;
  align-items: start;
  padding: 1rem;
}

.contact-card p {
  margin-bottom: 0;
}

.contact-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem 1.2rem;
}

.contact-groups div {
  display: grid;
  gap: 0.12rem;
}

.contact-groups span {
  color: var(--subtle);
  font-size: 0.82rem;
}

.contact-groups a {
  color: var(--accent-strong);
  font-weight: 750;
}

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

@media (max-width: 860px) {
  .intro,
  .contact-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .nav {
    min-height: 60px;
  }

  .js .nav-toggle {
    display: inline-block;
  }

  .js .nav-links {
    position: absolute;
    left: 1rem;
    right: 1rem;
    top: calc(100% + 0.5rem);
    display: grid;
    gap: 0.25rem;
    padding: 0.7rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--menu-bg);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .js .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  html:not(.js) .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .section-shell {
    width: min(calc(100% - 1.25rem), var(--max-width));
    padding: 2.1rem 0;
  }

  .intro {
    padding-top: 2.4rem;
  }

  .intro-actions,
  .button {
    width: 100%;
  }

  .skill-group,
  .contact-groups {
    grid-template-columns: 1fr;
  }
}

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

  .button:hover {
    transform: none;
  }
}

@media (min-width: 701px) and (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 360ms ease, transform 360ms ease;
  }

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