/*
  Recruiter-first portfolio system
  IBM Carbon-inspired structure with Saintlex dark identity.
*/

:root {
  --bg: #0b0f14;
  --layer-01: #121821;
  --layer-02: #19212c;
  --layer-03: #222c39;
  --text: #f4f4f4;
  --text-secondary: #b5bdc9;
  --muted: #8490a0;
  --border: #2c3745;
  --blue: #78a9ff;
  --blue-strong: #0f62fe;
  --green: #42be65;
  --yellow: #f1c21b;
  --purple: #be95ff;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 12px 16px;
  color: #fff;
  background: var(--blue-strong);
  text-decoration: none;
  transition: top 160ms ease;
}

.skip-link:focus {
  top: 16px;
}

.shell {
  width: min(1184px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: 64px;
  border-bottom: 1px solid rgba(44, 55, 69, 0.8);
  background: rgba(11, 15, 20, 0.94);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.brand-mark {
  color: var(--green);
}

nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-decoration: none;
}

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

.hero {
  padding: 96px 0 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(120, 169, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 169, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 82% 12%, rgba(15, 98, 254, 0.16), transparent 34%);
  background-size: 48px 48px, 48px 48px, auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 64px;
  align-items: center;
  padding-bottom: 80px;
}

.eyebrow,
.kicker {
  margin: 0 0 24px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-dot {
  width: 8px;
  height: 8px;
  display: inline-block;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(66, 190, 101, 0.12);
}

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

h1 {
  max-width: 760px;
  margin-bottom: 32px;
  font-size: clamp(52px, 7vw, 88px);
  font-weight: 300;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

h1 span {
  color: var(--blue);
}

.hero-intro {
  max-width: 680px;
  margin-bottom: 32px;
  color: var(--text-secondary);
  font-size: 19px;
  line-height: 1.6;
}

.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
.text-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button.primary {
  min-width: 176px;
  color: #fff;
  background: var(--blue-strong);
  border: 1px solid var(--blue-strong);
}

.button.primary:hover {
  background: #0043ce;
  border-color: #0043ce;
}

.button.secondary {
  min-width: 144px;
  color: var(--text);
  background: var(--layer-03);
  border: 1px solid var(--border);
}

.button.secondary:hover {
  background: #303b49;
}

.text-link {
  color: var(--blue);
}

.text-link:hover,
.card-link:hover {
  text-decoration: underline;
}

.method-card {
  border: 1px solid var(--border);
  background: rgba(18, 24, 33, 0.94);
}

.terminal-bar {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.verified-label {
  color: var(--green);
}

.workflow-list {
  margin: 0;
  padding: 8px 0;
  list-style: none;
}

.workflow-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 16px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(44, 55, 69, 0.65);
}

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

.workflow-list li > span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
}

.workflow-list strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
}

.workflow-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  border-bottom: 0;
  background: var(--layer-01);
}

.trust-strip div {
  min-height: 96px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 16px 20px;
  border-right: 1px solid var(--border);
}

.trust-strip div:last-child {
  border-right: 0;
}

.trust-strip strong {
  font-size: 15px;
  font-weight: 600;
}

.trust-strip span {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 112px 0;
  border-top: 1px solid var(--border);
}

.section.alt {
  background: var(--layer-01);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 56px;
}

.section-heading h2,
.contact h2 {
  margin-bottom: 20px;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.08;
}

.section-heading > p:last-child,
.contact-copy > p:first-child {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.6;
}

.card-grid {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.card-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.support-card {
  min-height: 280px;
  padding: 28px 24px;
  background: var(--layer-01);
  transition: background 160ms ease;
}

.support-card:hover {
  background: var(--layer-02);
}

.card-index {
  margin-bottom: 64px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 12px;
}

.support-card h3,
.evidence-card h3,
.tool-groups h3,
.steps h3 {
  margin-bottom: 12px;
  font-size: 21px;
  font-weight: 600;
}

.support-card > p:last-child,
.steps p,
.tool-groups p {
  margin-bottom: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 96px;
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 112px;
  margin-bottom: 0;
}

.steps {
  border-top: 1px solid var(--border);
}

.steps article {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.steps article > span {
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 14px;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.evidence-card {
  display: flex;
  flex-direction: column;
  min-height: 480px;
  padding: 32px;
  border: 1px solid var(--border);
  background: var(--layer-01);
}

.evidence-card.featured {
  grid-column: 1 / -1;
  min-height: auto;
  background: linear-gradient(115deg, rgba(15, 98, 254, 0.14), var(--layer-01) 55%);
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.tag,
.depth-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.tag.progress {
  color: var(--yellow);
  background: rgba(241, 194, 27, 0.12);
}

.tag.lab,
.depth-label.foundation {
  color: var(--blue);
  background: rgba(120, 169, 255, 0.12);
}

.tag.docs,
.depth-label.current {
  color: var(--green);
  background: rgba(66, 190, 101, 0.12);
}

.depth-label.next {
  color: var(--purple);
  background: rgba(190, 149, 255, 0.12);
}

.evidence-card h3 {
  margin-bottom: 16px;
  font-size: 30px;
  font-weight: 400;
}

.card-summary {
  max-width: 760px;
  margin-bottom: 32px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.65;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin-top: auto;
  margin-bottom: 24px;
  background: var(--border);
  border: 1px solid var(--border);
}

.proof-grid div {
  padding: 20px;
  background: var(--bg);
}

.proof-grid h4 {
  margin: 0 0 8px;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.proof-grid p,
.availability {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.card-link {
  width: fit-content;
  color: var(--blue);
  font-family: var(--font-mono);
  font-size: 13px;
  text-decoration: none;
}

.toolkit-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 80px;
  align-items: start;
}

.tool-groups {
  display: grid;
  gap: 16px;
}

.tool-groups article {
  padding: 28px;
  border: 1px solid var(--border);
  background: var(--layer-02);
}

.tool-groups h3 {
  margin: 20px 0 16px;
}

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

.pill-list li {
  padding: 8px 10px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--layer-01);
  font-family: var(--font-mono);
  font-size: 12px;
}

.centered {
  margin-inline: auto;
  text-align: center;
}

.role-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1px;
  margin-bottom: 48px;
  background: var(--border);
  border: 1px solid var(--border);
}

.role-list span {
  flex: 1 1 30%;
  min-height: 72px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  color: var(--text);
  background: var(--layer-01);
  text-align: center;
}

.transparency-note {
  max-width: 800px;
  margin-inline: auto;
  padding: 24px;
  border-left: 3px solid var(--yellow);
  background: rgba(241, 194, 27, 0.07);
}

.transparency-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--yellow);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
}

.transparency-note p {
  margin-bottom: 0;
  color: var(--text-secondary);
}

.contact {
  padding: 96px 0;
  border-top: 1px solid var(--border);
  background: var(--blue-strong);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}

.contact .kicker,
.contact-copy > p:first-child,
.resume-note {
  color: rgba(255, 255, 255, 0.8);
}

.contact .button.primary {
  color: var(--bg);
  background: #fff;
  border-color: #fff;
}

.contact .button.primary:hover {
  background: #e8e8e8;
}

.contact .button.secondary {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
}

.resume-note {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
}

footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  background: #06090d;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

@media (max-width: 960px) {
  .hero-grid,
  .split,
  .toolkit-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .sticky-heading {
    position: static;
  }

  .card-grid.four {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .trust-strip div:nth-child(2) {
    border-right: 0;
  }

  .trust-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 32px, 1184px);
  }

  .site-header {
    position: static;
  }

  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 4px 14px;
    overflow: visible;
    padding-bottom: 4px;
  }

  nav a {
    min-height: 32px;
    flex: 0 0 auto;
  }

  .hero {
    padding-top: 64px;
  }

  .hero-grid {
    padding-bottom: 56px;
  }

  h1 {
    font-size: clamp(46px, 14vw, 68px);
  }

  .section {
    padding: 80px 0;
  }

  .section-heading {
    margin-bottom: 40px;
  }

  .card-grid.four,
  .trust-strip,
  .evidence-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip div,
  .trust-strip div:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .trust-strip div:last-child {
    border-bottom: 0;
  }

  .evidence-card.featured {
    grid-column: auto;
  }

  .evidence-card {
    min-height: auto;
    padding: 24px;
  }

  .card-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .role-list span {
    flex-basis: 100%;
  }

  .footer-grid {
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}