/* Osobní web Martina Hájka. Bez frameworku a bez externích zdrojů: systémová písma,
   žádné cookies, žádné skripty. Barvy jako tokeny, tmavý režim podle systému. */

:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #1c1b22;
  --muted: #5d5a68;
  --line: #e4e1ea;
  --accent: #512bd4; /* fialová .NET */
  --accent-soft: #efeafd;
  --accent-text: #ffffff;
  --radius: 14px;
  --max: 68rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131218;
    --surface: #1c1b23;
    --text: #ecebf2;
    --muted: #a7a3b5;
    --line: #2e2c38;
    --accent: #a48bff;
    --accent-soft: #272040;
    --accent-text: #131218;
  }
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:focus-visible,
.button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 40rem) {
  .wrap {
    padding: 0 2rem;
  }
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 10;
  padding: 0.5rem 1rem;
  background: var(--surface);
}

/* Hlavička */

.header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header .wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 3.75rem;
}

.brand {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  margin-right: auto;
}

.nav {
  display: none;
  gap: 1.25rem;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

@media (min-width: 48rem) {
  .nav {
    display: flex;
  }
}

.lang {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
}

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

.lang svg {
  width: 1.35rem;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.12);
}

/* Úvod */

.hero {
  padding: 3.5rem 0 3rem;
}

.hero .wrap {
  display: grid;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 48rem) {
  .hero {
    padding: 5.5rem 0 4.5rem;
  }

  .hero .wrap {
    grid-template-columns: 1fr auto;
    gap: 4rem;
  }
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
}

.lead {
  margin: 0 0 1.75rem;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.2rem;
}

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

.button {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--accent);
  border-radius: 10px;
  font-weight: 600;
  text-decoration: none;
}

.button--primary {
  background: var(--accent);
  color: var(--accent-text);
}

.button--primary:hover {
  filter: brightness(1.1);
}

.button--ghost:hover {
  background: var(--accent-soft);
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.facts li::before {
  content: "✓";
  margin-right: 0.4rem;
  color: var(--accent);
  font-weight: 700;
}

/* Portrét v kruhu; jemné pozadí pod ním je vidět, než se obrázek načte. */
.portrait {
  justify-self: center;
  width: min(16rem, 60vw);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 4.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

/* Na mobilu menší a nad textem, ať je obličej vidět hned. */
@media (max-width: 47.99rem) {
  .portrait {
    order: -1;
    justify-self: start;
    width: 7.5rem;
  }
}

.portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Sekce */

.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
}

.section__intro {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--muted);
}

.cards {
  display: grid;
  gap: 1rem;
}

@media (min-width: 48rem) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

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

.card__num {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 0.9rem;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

/* Zkušenosti */

.timeline {
  display: grid;
  gap: 1.75rem;
  margin: 0 0 2.25rem;
  padding: 0;
  list-style: none;
}

@media (min-width: 48rem) {
  .timeline li {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 2rem;
  }
}

.timeline__when {
  color: var(--accent);
  font-weight: 600;
}

.timeline h3 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
}

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

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

.tags li {
  padding: 0.25rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.9rem;
}

.subhead {
  margin: 0 0 1rem;
  font-size: 1.15rem;
}

.cards--spaced {
  margin-bottom: 2.25rem;
}

.card h4 {
  margin: 0;
  font-size: 1.1rem;
}

.card .card__who {
  margin: 0 0 0.6rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
}

.card__list {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.card__list strong {
  color: var(--text);
  font-weight: 600;
}

.card__list li + li {
  margin-top: 0.35rem;
}

/* Ukázka práce */

.showcase {
  display: grid;
  gap: 2rem;
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

@media (min-width: 48rem) {
  .showcase {
    grid-template-columns: 1.1fr 1fr;
    padding: 2.25rem;
  }
}

.showcase h3 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
}

.showcase p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.checks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.checks li {
  position: relative;
  padding-left: 1.6rem;
}

.checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 2px;
  background: var(--accent);
}

/* Jak pracuji */

.principles {
  display: grid;
  gap: 1.25rem 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 48rem) {
  .principles {
    grid-template-columns: 1fr 1fr;
  }
}

.principles strong {
  display: block;
  margin-bottom: 0.2rem;
}

.principles span {
  color: var(--muted);
}

/* Kontakt */

.contact {
  text-align: center;
}

.contact .section__intro {
  margin-left: auto;
  margin-right: auto;
}

.contact__mail {
  display: inline-block;
  margin-bottom: 1.25rem;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  word-break: break-all;
}

.contact .actions {
  justify-content: center;
}

/* Patička */

.footer {
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.875rem;
}

.footer p {
  margin: 0 0 0.35rem;
}