/* ═══════════════════════════════════════════════
   site.css  —  Axel Lennert · portfolio
   Used by index.html. Older pages still use styles.css.
═══════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────── */
:root {
  color-scheme: light;

  --bg: #fbfbf9;
  --surface: #ffffff;
  --fg: #16171a;
  --muted: #8a8c92;
  --body: #4a4c52;
  --line: rgba(0, 0, 0, 0.09);
  --accent: #2c9c60;
  --accent: oklch(0.62 0.14 150);
  --chip: rgba(0, 0, 0, 0.04);
  --invbg: #16171a;
  --invfg: #fbfbf9;
  --ph1: #eceae4;
  --ph2: #f4f2ec;

  --pad: 56px;
  --nav-h: 76px;

  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0e0f12;
  --surface: #15161a;
  --fg: #f2f2f4;
  --muted: #8d8f96;
  --body: #b9bbc1;
  --line: rgba(255, 255, 255, 0.09);
  --accent: #4bb87c;
  --accent: oklch(0.7 0.14 155);
  --chip: rgba(255, 255, 255, 0.06);
  --invbg: #f2f2f4;
  --invfg: #0e0f12;
  --ph1: #181a1f;
  --ph2: #131519;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  opacity: 0.7;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ── Shared bits ────────────────────────────── */
.section {
  padding: 56px var(--pad);
  border-top: 1px solid var(--line);
  scroll-margin-top: var(--nav-h);
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.btn {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: opacity 0.2s ease;
}

.btn--solid {
  background: var(--invbg);
  color: var(--invfg);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--fg);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--invbg);
  color: var(--invfg);
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ── Nav ────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px var(--pad);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

.nav__brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 16px;
  color: var(--fg);
}

.nav__links {
  display: flex;
  gap: 30px;
  align-items: center;
  margin-left: auto;
  font-size: 13.5px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav__link {
  color: var(--muted);
}

.nav__link.is-active {
  color: var(--fg);
}

/* Only shown once the nav CTA button drops out on narrow screens. */
.nav__link--contact {
  display: none;
}

.theme-toggle {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--chip);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 13px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  line-height: 1;
}

.theme-toggle__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fg);
}

.nav__cta {
  color: var(--invfg);
  background: var(--invbg);
  font-weight: 600;
  padding: 9px 17px;
  border-radius: 2px;
}

.nav__burger {
  display: none;
  cursor: pointer;
  background: var(--chip);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 9px 10px;
  color: var(--fg);
}

.nav__burger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: currentColor;
}

.nav__burger span + span {
  margin-top: 4px;
}

/* ── Hero ───────────────────────────────────── */
.hero {
  padding: 92px var(--pad) 78px;
  max-width: 860px;
}

.hero__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
}

.hero__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

.hero__title {
  font-size: clamp(34px, 6.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--fg);
  text-wrap: balance;
}

.hero__lede {
  margin-top: 30px;
  font-size: clamp(16px, 2.2vw, 19px);
  line-height: 1.6;
  color: var(--body);
  max-width: 640px;
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 40px;
}

/* ── About ──────────────────────────────────── */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.about__body {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--body);
  text-wrap: pretty;
}

.about__body + .about__body {
  margin-top: 16px;
}

.facts {
  list-style: none;
}

.facts li {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.facts li:last-child {
  border-bottom: 0;
}

.facts dt,
.facts .facts__key {
  color: var(--muted);
}

.facts .facts__val {
  font-weight: 600;
  color: var(--fg);
  text-align: right;
}

.facts .facts__sub {
  display: block;
  color: var(--muted);
  font-weight: 400;
}

/* ── Skills ─────────────────────────────────── */
.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 26px;
}

.skills h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--fg);
}

.skills ul {
  list-style: none;
  font-size: 14px;
  line-height: 2;
  color: var(--body);
}

/* ── Work ───────────────────────────────────── */
.work__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.work__head a {
  font-size: 13px;
  color: var(--muted);
}

.work__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.card__thumb {
  aspect-ratio: 16 / 10;
  border-radius: 4px;
  background: repeating-linear-gradient(
    45deg,
    var(--ph1),
    var(--ph1) 8px,
    var(--ph2) 8px,
    var(--ph2) 16px
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font: 12px var(--mono);
  color: var(--muted);
  margin-bottom: 16px;
}

.card__title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--fg);
}

.card__desc {
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--body);
}

.card__stack {
  font: 11px var(--mono);
  color: var(--muted);
}

/* ── Contact ────────────────────────────────── */
.contact {
  padding: 66px var(--pad);
  background: var(--invbg);
  color: var(--invfg);
  scroll-margin-top: var(--nav-h);
}

.contact h2 {
  font-size: clamp(26px, 4.5vw, 34px);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.contact p {
  margin: 16px 0 28px;
  font-size: 16px;
  opacity: 0.7;
}

.contact__links {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  flex-wrap: wrap;
}

.contact__primary {
  background: var(--invfg);
  color: var(--invbg);
  font-weight: 600;
  padding: 13px 24px;
  border-radius: 2px;
}

.contact__link {
  color: var(--invfg);
  opacity: 0.65;
}

/* ── Footer ─────────────────────────────────── */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 24px var(--pad);
  font-size: 12.5px;
  color: var(--muted);
}

/* ── Responsive ─────────────────────────────── */
@media (max-width: 960px) {
  :root {
    --pad: 36px;
  }

  .about,
  .skills {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero {
    padding-top: 68px;
    padding-bottom: 60px;
  }
}

@media (max-width: 720px) {
  :root {
    --pad: 22px;
  }

  .nav {
    flex-wrap: wrap;
    padding: 14px var(--pad);
  }

  .nav__burger {
    display: block;
  }

  .nav__links {
    display: none;
    order: 3;
    width: 100%;
    margin-left: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 0 6px;
    font-size: 15px;
  }

  .nav__links.is-open {
    display: flex;
  }

  .nav__actions {
    gap: 10px;
  }

  .work__grid {
    grid-template-columns: 1fr;
  }

  .facts li {
    font-size: 13.5px;
  }

  .contact__links {
    gap: 18px;
  }

  .contact__primary {
    width: 100%;
    text-align: center;
  }

  .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (max-width: 560px) {
  /* Keep the brand and controls on one row — "Get in touch" moves into the menu. */
  .nav__cta {
    display: none;
  }

  .nav__link--contact {
    display: block;
    color: var(--fg);
    font-weight: 600;
  }
}