@import "tokens.css?v=12";

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}
h1, h2, h3, h4, p { margin: 0; }
a { color: var(--accent-dark); text-decoration: none; transition: color 150ms ease-out; }
a:hover { color: var(--brown-900); }
img { max-width: 100%; display: block; }
button { font: inherit; }

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--fg-muted);
}
.eyebrow--dark { color: var(--brown-400); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- reveal-on-scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity 500ms ease-out, transform 500ms ease-out; }
[data-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}

.project-grid > [data-reveal]:nth-child(1) { transition-delay: 0ms; }
.project-grid > [data-reveal]:nth-child(2) { transition-delay: 80ms; }
.project-grid > [data-reveal]:nth-child(3) { transition-delay: 160ms; }
.project-grid > [data-reveal]:nth-child(4) { transition-delay: 240ms; }

.values-grid > [data-reveal]:nth-child(1) { transition-delay: 0ms; }
.values-grid > [data-reveal]:nth-child(2) { transition-delay: 80ms; }
.values-grid > [data-reveal]:nth-child(3) { transition-delay: 160ms; }

.timeline > [data-reveal]:nth-child(1) { transition-delay: 0ms; }
.timeline > [data-reveal]:nth-child(2) { transition-delay: 70ms; }
.timeline > [data-reveal]:nth-child(3) { transition-delay: 140ms; }
.timeline > [data-reveal]:nth-child(4) { transition-delay: 210ms; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  transition: box-shadow 200ms ease-out, border-color 200ms ease-out;
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); border-color: var(--border-strong); }
.site-header .container {
  padding-top: 20px;
  padding-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: var(--tracking-tight);
  color: var(--fg);
}
.site-nav { display: flex; gap: 20px; align-items: center; }
.site-nav a {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  position: relative;
  padding: 11px 6px 7px;
  transition: color 150ms ease-out;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 6px;
  bottom: 7px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 200ms ease-out;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a:hover::after { width: calc(100% - 12px); }
.site-nav a[aria-current="page"] { color: var(--fg); }
.site-nav a[aria-current="page"]::after { width: calc(100% - 12px); }
@media (prefers-reduced-motion: reduce) {
  .site-nav a::after { transition: none; }
}

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  min-height: 44px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: background-color 150ms ease-out, border-color 150ms ease-out, color 150ms ease-out, transform 100ms ease-out;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--accent); color: var(--fg-on-accent); }
.btn-primary:hover { background: var(--accent-dark); color: var(--fg-on-accent); }
.btn-secondary { background: var(--surface); color: var(--fg); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-sunken); color: var(--fg); }
@media (prefers-reduced-motion: reduce) {
  .btn:active { transform: none; }
}

/* ---------- site-wide dot grid backdrop ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(var(--border-strong) 1.4px, transparent 1.4px);
  background-size: 26px 26px;
  background-position: calc(0px + var(--grid-x, 0px)) calc(0px + var(--grid-y, 0px));
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
  transition: background-position 600ms ease-out;
}
body > * { position: relative; z-index: 1; }
@media (prefers-reduced-motion: reduce) {
  body::before { transition: none; }
}

/* ---------- hero ---------- */
.hero { padding: 96px 0 72px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 56px;
  letter-spacing: var(--tracking-tight);
  color: var(--fg);
  max-width: 680px;
  line-height: var(--leading-tight);
  margin-top: 16px;
}
.hero p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: var(--leading-relaxed);
  color: var(--fg-muted);
  max-width: 560px;
  margin-top: 20px;
}

/* ---------- project grid / cards ---------- */
.work-section { padding: 0 0 96px; }
.section-heading { margin-bottom: 20px; }
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  color: inherit;
  transition: box-shadow 150ms ease-out, border-color 150ms ease-out, transform 150ms ease-out;
}
a.card:hover, a.card:focus-visible {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
@media (prefers-reduced-motion: reduce) {
  a.card:hover, a.card:focus-visible { transform: none; }
}
.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 4px;
}
.card-subtitle {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 12px;
}
.card-desc {
  font-size: 15px;
  line-height: var(--leading-relaxed);
  color: var(--fg);
  margin-bottom: 12px;
}
.card-meta { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  color: var(--fg);
  display: inline-block;
  transition: border-color 150ms ease-out, color 150ms ease-out;
}
.card:hover .tag { border-color: var(--border-strong); }

/* ---------- dark sections (about / contact strip / footer) ---------- */
.section-dark { background: var(--surface-dark); padding: 80px 0; }
.section-dark .container { display: flex; flex-direction: column; gap: 56px; }
.section-dark p { color: var(--fg-on-dark); }
.about-lede { font-size: 20px; line-height: var(--leading-relaxed); max-width: 560px; }
.about-lede a, .contact-lede a { color: var(--accent-on-dark); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 3px; transition: color 150ms ease-out, text-decoration-color 150ms ease-out; }
.about-lede a:hover, .contact-lede a:hover { color: var(--accent-light); text-decoration-color: var(--accent-light); }
.contact-lede { font-size: 16px; line-height: var(--leading-relaxed); max-width: 560px; color: var(--brown-300); }

.site-footer { background: var(--surface-dark); border-top: 1px solid var(--brown-800); padding: 24px 0; }
.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--brown-400);
}
.site-footer .footer-links { display: flex; gap: 8px; }
.site-footer a { color: var(--brown-400); padding: 12px 8px; transition: color 150ms ease-out; }
.site-footer a:hover { color: var(--fg-on-dark); }

/* ---------- about page ---------- */
.page-intro { padding: 96px 0 64px; }
.page-intro h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 44px;
  letter-spacing: var(--tracking-tight);
  color: var(--fg);
  max-width: 680px;
  line-height: var(--leading-tight);
  margin-top: 16px;
}
.page-intro p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: var(--leading-relaxed);
  color: var(--fg-muted);
  max-width: 640px;
  margin-top: 20px;
}

.values-section { padding: 0 0 80px; }
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.value-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}
.value-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 17px; color: var(--fg); margin-bottom: 8px; }
.value-card p { font-size: 15px; line-height: var(--leading-relaxed); color: var(--fg-muted); }

.timeline { display: flex; flex-direction: column; gap: 28px; margin-top: 32px; }
.timeline-item { display: grid; grid-template-columns: 80px 1fr; gap: 24px; }
.timeline-item + .timeline-item { border-top: 1px solid var(--brown-800); padding-top: 24px; }
.timeline-year { font-family: var(--font-mono); font-size: 13px; color: var(--brown-400); }
.timeline-title { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--fg-on-dark); margin-bottom: 4px; }
.timeline-desc { font-family: var(--font-body); font-size: 15px; line-height: var(--leading-relaxed); color: var(--brown-300); }

/* ---------- contact page ---------- */
.contact-section {
  max-width: 600px;
  margin: 64px auto 96px;
  padding: 56px 48px 64px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.contact-section h1 { font-family: var(--font-display); font-weight: 800; font-size: 36px; letter-spacing: var(--tracking-tight); color: var(--fg); margin-top: 16px; }
.contact-section > p { font-size: 16px; line-height: var(--leading-relaxed); color: var(--fg-muted); margin-top: 12px; margin-bottom: 40px; }

.field { display: block; font-family: var(--font-body); }
.field-label { font-size: 13px; color: var(--fg-muted); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  resize: vertical;
}
.field input:focus, .field textarea:focus { border-color: var(--accent); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-note { font-size: 13px; color: var(--fg-muted); margin-top: -4px; }
.contact-links {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-muted);
}
.contact-links a { color: var(--fg-muted); padding: 12px 4px; margin: -12px -4px; transition: color 150ms ease-out; }
.contact-links a:hover { color: var(--fg); }

/* ---------- resume page ---------- */
.resume-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.resume-header .container { padding-top: 20px; padding-bottom: 20px; display: flex; align-items: center; justify-content: space-between; }
.resume-body {
  max-width: 760px;
  margin: 40px auto 64px;
  padding: 56px 48px 72px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.resume-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
.resume-name { font-family: var(--font-display); font-weight: 800; font-size: 36px; letter-spacing: var(--tracking-tight); }
.resume-title { font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted); margin-top: 6px; text-transform: uppercase; letter-spacing: var(--tracking-wider); }
.resume-contacts { display: flex; gap: 8px; margin-bottom: 40px; font-family: var(--font-mono); font-size: 13px; color: var(--fg-muted); flex-wrap: wrap; }
.resume-section { margin-bottom: 36px; }
.resume-section-title {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.resume-entries { display: flex; flex-direction: column; gap: 24px; }
.resume-entry-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.resume-entry-role { font-weight: 700; font-size: 16px; }
.resume-entry-date { font-family: var(--font-mono); font-size: 12px; color: var(--fg-muted); white-space: nowrap; }
.resume-entry-org { font-size: 14px; color: var(--fg-muted); margin-bottom: 6px; }
.resume-entry p { font-size: 15px; line-height: var(--leading-relaxed); color: var(--fg); }
.skills-list { display: flex; gap: 8px; flex-wrap: wrap; }
.skill-pill { font-family: var(--font-mono); font-size: 13px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 4px 8px; }

@media print {
  .no-print { display: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 38px; }
  .site-nav { gap: 16px; }
  .project-grid { grid-template-columns: 1fr; }
  .section-dark { padding: 56px 0; }
  .values-grid { grid-template-columns: 1fr; }
  .page-intro h1 { font-size: 32px; }
  .timeline-item { grid-template-columns: 1fr; gap: 6px; }
  .resume-body { padding: 40px 24px 56px; margin: 24px auto 40px; }
  .contact-section { padding: 40px 24px 48px; margin: 24px auto 40px; }
}