/* ABOUTME: Styles for the single-page portfolio: ink-blue ground, amber accent, IBM Plex type. */
/* ABOUTME: Matches the LinkedIn cover so the site, CV and profiles share one look. */

:root {
  color-scheme: dark;
  --ground: #141B22;
  --surface: #1A232C;
  --line: #26313C;
  --line-strong: #3B4754;
  --text: #EEF1F4;
  --text-muted: #C3CCD5;
  --text-quiet: #8E9BA8;
  --accent: #E0A040;
  --lane-main: #2E3946;
  --lane-side: #4D6175;
  --font-sans: 'IBM Plex Sans', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
}

a {
  color: var(--text);
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

h1,
h2,
h3,
p {
  margin: 0;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* Header with the commit-graph motif */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero__graph {
  position: absolute;
  inset: 0 0 auto 0;
  width: 100%;
  height: 200px;
}

.lane--main {
  stroke: var(--lane-main);
}

.lane--side {
  stroke: var(--lane-side);
}

.lane--accent {
  stroke: var(--accent);
  opacity: 0.8;
}

.commit {
  fill: var(--ground);
}

.hero__content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-top: 220px;
  padding-bottom: 72px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.25rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.eyebrow,
.section__label,
.card__meta,
.card__stack,
.roles__dates {
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow {
  font-size: 15px;
  color: var(--accent);
}

.hero__summary {
  max-width: 640px;
  font-size: 1.2rem;
  color: var(--text-muted);
  text-wrap: pretty;
}

.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent);
}

/* Sections */

.section {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 72px;
}

.section--split {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 24px 64px;
}

.section--split .section__label {
  flex: 1 1 200px;
}

.section__body {
  flex: 999 1 480px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-wrap: pretty;
}

.section__label {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-quiet);
}

/* Skills: groups of outlined tags in a two-column grid */

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr));
  gap: 28px 48px;
}

.skills__group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skills__group h3 {
  font-size: 17px;
  font-weight: 500;
}

.tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags li {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

/* Project cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(400px, 100%), 1fr));
  gap: 20px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 15px;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 500;
}

.card__meta {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.card__stack {
  margin-top: auto;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--text-quiet);
}

.card__link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  text-decoration: none;
}

.card__link:hover,
.card__link:focus-visible {
  text-decoration: underline;
}

/* Experience list */

.roles {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.roles li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.roles strong {
  font-weight: 500;
}

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

.roles__org::before {
  content: " · ";
}

.roles__dates {
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--text-quiet);
}

/* Narrow screens: every row stacks title, organisation and dates on their own lines */
@media (max-width: 600px) {
  .roles li {
    flex-direction: column;
    gap: 4px;
  }

  .roles__org {
    display: block;
  }

  .roles__org::before {
    content: none;
  }
}

/* Closing note pointing to the CV */

.cv-note {
  margin-top: 56px;
  color: var(--text-muted);
}

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

.cv-note a:hover,
.cv-note a:focus-visible {
  text-decoration: underline;
}

/* Footer */

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding-top: 72px;
  padding-bottom: 48px;
  font-size: 15px;
  color: var(--text-quiet);
}

.footer__links {
  display: flex;
  gap: 20px;
}