/* furqan.codes — design tokens */
:root {
  --bg: #0a0b0d;
  --ink: #f0ede6;
  --ink-strong: #f7f5f0;
  --ink-2: #d6d3cc;
  --ink-3: #b0ada6;
  --muted: #8f8d85;
  --label: #8a8880;
  --accent: #7ae0c6;
  --accent-hi: #a5ecda;
  --btn-fg: #07100d;
  --rule: rgba(240, 237, 230, 0.12);
  --underline: rgba(240, 237, 230, 0.28);
  --accent-glow: rgba(122, 224, 198, 0.9);
  --tint: rgba(122, 224, 198, 0.06);
  --scrim-a: rgba(10, 11, 13, 0.7);
  --chip: rgba(240, 237, 230, 0.07);
  --nav-bg: rgba(10, 11, 13, 0.7);

  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

[data-theme="light"] {
  --bg: #f6f5f2;
  --ink: #16171a;
  --ink-strong: #0c0d0f;
  --ink-2: #33343a;
  --ink-3: #4b4c52;
  --muted: #66675f;
  --label: #66675f;
  /* #0b735c clears WCAG AA (5.32:1 on --bg); the handoff's #0d8168 was 4.42:1,
     just under, and this accent carries 12-13px labels and links. */
  --accent: #0b735c;
  --accent-hi: #0a6a55;
  --btn-fg: #ffffff;
  --rule: rgba(12, 13, 15, 0.14);
  --underline: rgba(12, 13, 15, 0.3);
  --accent-glow: rgba(11, 115, 92, 0.45);
  --tint: rgba(11, 115, 92, 0.05);
  --scrim-a: rgba(246, 245, 242, 0.72);
  --chip: rgba(12, 13, 15, 0.05);
  --nav-bg: rgba(246, 245, 242, 0.7);
}

html {
  overflow-x: clip;
  background: var(--bg);
}

body {
  position: relative;
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

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

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

::selection {
  background: var(--tint);
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 12px 18px;
  background: var(--accent);
  color: var(--btn-fg);
  font-family: var(--mono);
  font-size: 13px;
}

.skip-link:focus {
  left: 0;
}

/* Animated background */
#bg-canvas,
.bg-scrim {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.bg-scrim {
  background: var(--scrim-a);
}

/* Sticky nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: 100%;
  padding: 16px 0;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(1.5) blur(16px);
  backdrop-filter: saturate(1.5) blur(16px);
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--ink);
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

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

.site-nav .external {
  white-space: nowrap;
}

.theme-toggle {
  background: none;
  border: 0;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin-left: 8px;
  margin-right: -2px;
  cursor: pointer;
  transition: color 160ms ease, transform 300ms ease;
}

.theme-toggle:hover {
  color: var(--ink);
  transform: rotate(-15deg) scale(1.12);
}

.icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: none;
}

[data-theme="light"] .icon-sun {
  display: block;
}

/* Content column */
.container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Hero */
.hero {
  padding: 112px 0;
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
}

.availability {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.availability-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  box-shadow: 0 0 12px var(--accent-glow);
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(46px, 8vw, 86px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 16ch;
  text-wrap: balance;
  color: var(--ink-strong);
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.lede {
  margin: 0;
  font-size: 19px;
  line-height: 1.6;
  max-width: 56ch;
  color: var(--ink-3);
  text-wrap: pretty;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding-top: 8px;
}

.hero-links a {
  color: var(--ink);
  border-bottom: 1px solid var(--underline);
  padding-bottom: 3px;
}

.hero-links .meta {
  color: var(--label);
}

/* Section labels */
.section-label {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--label);
  font-weight: 400;
}

#work,
#experience {
  padding-bottom: 104px;
}

/* Selected work */
.work-item {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  align-items: baseline;
  justify-content: space-between;
  padding: 34px 0;
  border-top: 1px solid var(--rule);
}

.work-item:last-of-type {
  border-bottom: 1px solid var(--rule);
}

.work-item .body {
  flex: 3 1 320px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.work-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
}

.work-item p {
  margin: 0;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-3);
  max-width: 56ch;
  text-wrap: pretty;
}

.work-item .stack-line {
  margin: 6px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.work-item .actions {
  flex: 0 1 auto;
  display: flex;
  gap: 20px;
  font-family: var(--mono);
  font-size: 13px;
}

.work-item .actions a {
  color: var(--accent);
  white-space: nowrap;
}

.work-item .actions a:hover {
  color: var(--accent-hi);
}

/* Experience */
.role {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 40px;
  align-items: baseline;
  justify-content: space-between;
  padding: 26px 0;
  border-top: 1px solid var(--rule);
}

.role .body {
  flex: 3 1 320px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.role h3 {
  margin: 0;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.005em;
  color: var(--ink-strong);
}

.role h3 .sep {
  color: var(--accent);
}

.role p {
  margin: 0;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-3);
  max-width: 58ch;
  text-wrap: pretty;
}

.role .meta {
  flex: 0 0 auto;
  min-width: 170px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-end;
  text-align: right;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.role .meta span {
  white-space: nowrap;
}

.expander-row {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 18px 0;
}

.expander {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

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

#earlier-roles[hidden] {
  display: none;
}

/* Stack */
#stack {
  padding-bottom: 104px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.cell-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 40px 56px;
}

.cell {
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cell .cell-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 400;
  margin: 0;
}

.cell p {
  margin: 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
}

/* Education & how I work */
#about {
  padding: 40px 0 104px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px 56px;
  border-top: 1px solid var(--rule);
}

#about .cell {
  flex: 1 1 280px;
}

#about .cell-label {
  color: var(--label);
}

/* Contact CTA */
#contact {
  padding-bottom: 128px;
  display: flex;
  flex-direction: column;
  gap: 28px;
  align-items: flex-start;
}

#contact h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(34px, 5.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  max-width: 18ch;
  color: var(--ink-strong);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.btn-primary {
  background: var(--accent);
  color: var(--btn-fg);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 26px;
  white-space: nowrap;
  transition: background 160ms ease;
}

.btn-primary:hover {
  background: var(--accent-hi);
  color: var(--btn-fg);
}

.btn-text {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--underline);
  padding-bottom: 3px;
}

/* Consent banner */
.consent {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: var(--nav-bg);
  -webkit-backdrop-filter: saturate(1.5) blur(16px);
  backdrop-filter: saturate(1.5) blur(16px);
  border-top: 1px solid var(--rule);
}

.consent-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  align-items: center;
  justify-content: space-between;
}

.consent-text {
  margin: 0;
  flex: 1 1 320px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-3);
  text-wrap: pretty;
}

.consent-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 18px;
  align-items: center;
}

.consent-btn {
  border: 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.consent-accept {
  background: var(--accent);
  color: var(--btn-fg);
  font-weight: 500;
  padding: 11px 22px;
  transition: background 160ms ease;
}

.consent-accept:hover {
  background: var(--accent-hi);
}

.consent-decline {
  background: none;
  color: var(--muted);
  padding: 11px 0;
  transition: color 160ms ease;
}

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

/* Footer */
.site-footer {
  padding: 24px 0 44px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}