/* ── Design tokens (Adaline-inspired) ── */
:root {
  --bg: #f7f6f2;
  --bg-elevated: #ffffff;
  --bg-muted: #eeede8;
  --text: #1a1a18;
  --text-muted: #5c5c58;
  --text-subtle: #8a8a84;
  --accent: #3d5a45;
  --accent-light: #5a7d64;
  --accent-soft: rgba(61, 90, 69, 0.08);
  --accent-glow: rgba(61, 90, 69, 0.15);
  --border: rgba(26, 26, 24, 0.08);
  --border-strong: rgba(26, 26, 24, 0.14);
  --shadow-sm: 0 1px 2px rgba(26, 26, 24, 0.04);
  --shadow-md: 0 8px 32px rgba(26, 26, 24, 0.06);
  --shadow-lg: 0 24px 64px rgba(26, 26, 24, 0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-sans: "Geist", system-ui, -apple-system, sans-serif;
  --container: 1120px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ── Typography ── */
.eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 { font-size: clamp(2rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

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

.section-head { margin-bottom: 48px; max-width: 640px; }
.section-head.centered { text-align: center; margin-inline: auto; }
.section-sub { color: var(--text-muted); margin-top: 12px; font-size: 1.0625rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--text-subtle);
}

.btn-lg { padding: 16px 28px; font-size: 1rem; }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(247, 246, 242, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}

.site-header.scrolled { border-bottom-color: var(--border); }

.nav {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  letter-spacing: -0.03em;
  margin-right: auto;
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9375rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.3s var(--ease);
}

/* ── Hero ── */
.hero {
  position: relative;
  padding-top: calc(var(--header-h) + 64px);
  padding-bottom: 80px;
  min-height: 100vh;
}

.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.hero-orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
}

.hero-orb-2 {
  width: 400px;
  height: 400px;
  bottom: 10%;
  left: -100px;
  background: radial-gradient(circle, rgba(139, 168, 148, 0.12) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
  opacity: 0.5;
}

.hero-inner {
  position: relative;
  text-align: center;
  max-width: 820px;
}

.hero-title {
  font-size: clamp(2.75rem, 6vw, 4.25rem);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1.0625rem, 2vw, 1.1875rem);
  color: var(--text-muted);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Trusted bar */
.trusted {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 72px;
  flex-wrap: wrap;
}

.trusted-label {
  font-size: 0.8125rem;
  color: var(--text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.trusted-logos {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  justify-content: center;
}

.trusted-logos li {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  opacity: 0.7;
}

/* Preview window */
.hero-preview {
  margin-top: 64px;
}

.preview-window {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.preview-chrome {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-muted);
}

.preview-chrome .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
}

.preview-chrome .dot:nth-child(1) { background: #e8a598; }
.preview-chrome .dot:nth-child(2) { background: #e8c898; }
.preview-chrome .dot:nth-child(3) { background: #98c898; }

.preview-title {
  margin-left: 12px;
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.preview-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 280px;
}

.preview-sidebar {
  padding: 20px 16px;
  border-right: 1px solid var(--border);
  background: var(--bg);
}

.preview-folder {
  padding: 10px 14px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  cursor: default;
  transition: background 0.2s;
}

.preview-folder.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

.preview-content {
  padding: 24px;
  display: grid;
  gap: 16px;
}

.preview-card {
  padding: 20px;
  background: var(--bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.preview-card-muted { opacity: 0.75; }

.preview-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.preview-card h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.preview-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.preview-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 4px;
}

.preview-metrics div {
  text-align: center;
  padding: 16px;
  background: var(--accent-soft);
  border-radius: var(--radius-md);
}

.preview-metrics strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--accent);
}

.preview-metrics span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Pillars ── */
.pillars {
  padding: 120px 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.pillar-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.pillar-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}

.pillar-tab:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

.pillar-tab.active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.pillar-num {
  font-size: 0.75rem;
  opacity: 0.6;
  font-variant-numeric: tabular-nums;
}

.pillar-panels { position: relative; min-height: 320px; }

.pillar-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  animation: fadeUp 0.5s var(--ease);
}

.pillar-panel[hidden] { display: none; }

.pillar-text p {
  color: var(--text-muted);
  margin: 16px 0 20px;
  font-size: 1.0625rem;
}

.pillar-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pillar-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.pillar-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.visual-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.visual-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-subtle);
  margin-bottom: 20px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.skill-tags span {
  padding: 8px 16px;
  font-size: 0.8125rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
}

.mini-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: center;
}

.mini-stats strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--accent);
}

.mini-stats div span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Values ── */
.values {
  padding: 120px 0;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.value-card {
  padding: 36px 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.value-card h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.value-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

/* ── Impact stats ── */
.impact {
  padding: 120px 0;
  background: var(--text);
  color: var(--bg);
}

.impact .eyebrow { color: rgba(247, 246, 242, 0.6); }
.impact h2 { color: var(--bg); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  padding: 36px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  position: relative;
}

.stat-card-highlight {
  background: rgba(90, 125, 100, 0.25);
  border-color: rgba(90, 125, 100, 0.4);
}

.stat-number {
  display: inline;
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat-suffix {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: rgba(247, 246, 242, 0.7);
}

.stat-label {
  margin-top: 12px;
  font-size: 0.9375rem;
  color: rgba(247, 246, 242, 0.65);
  line-height: 1.4;
}

/* ── Experience ── */
.experience {
  padding: 120px 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.timeline {
  display: grid;
  gap: 20px;
  margin-bottom: 64px;
}

.timeline-card {
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.3s var(--ease);
}

.timeline-card:hover { box-shadow: var(--shadow-md); }

.timeline-card-featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent-soft) 0%, var(--bg) 60%);
}

.timeline-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.timeline-co {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
}

.timeline-date {
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.timeline-card h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.timeline-loc {
  font-size: 0.875rem;
  color: var(--text-subtle);
  margin-bottom: 12px;
}

.timeline-card > p {
  color: var(--text-muted);
  font-size: 0.9375rem;
  margin-bottom: 16px;
}

.timeline-roles {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.timeline-roles li {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.education-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.edu-card {
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.edu-school {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 6px;
}

.edu-degree {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ── Library ── */
.library {
  padding: 120px 0;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.library-card {
  display: block;
  padding: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s var(--ease);
}

.library-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.library-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 14px;
}

.library-card h3 {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.35;
}

.library-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ── Contact ── */
.contact {
  position: relative;
  padding: 120px 0 160px;
  overflow: hidden;
}

.contact-scenery {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.contact-hills {
  position: absolute;
  bottom: 60px;
  left: 0;
  right: 0;
  height: 200px;
  background:
    radial-gradient(ellipse 120% 100% at 50% 100%, var(--accent-soft) 0%, transparent 60%),
    radial-gradient(ellipse 80% 60% at 20% 100%, rgba(139, 168, 148, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 80% 100%, rgba(139, 168, 148, 0.12) 0%, transparent 50%);
}

.contact-reflection {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--bg-muted));
  opacity: 0.6;
}

.contact-inner {
  position: relative;
  text-align: center;
  max-width: 640px;
}

.contact-inner h2 { margin-bottom: 16px; }

.contact-inner > p {
  color: var(--text-muted);
  font-size: 1.0625rem;
  margin-bottom: 32px;
}

.contact-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.contact-location {
  font-size: 0.875rem;
  color: var(--text-subtle);
}

/* ── Footer ── */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-right: auto;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  width: 100%;
  font-size: 0.8125rem;
  color: var(--text-subtle);
  margin-top: 8px;
}

/* ── Animations ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 960px) {
  .preview-body { grid-template-columns: 1fr; }
  .preview-sidebar {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 12px;
  }
  .preview-folder { white-space: nowrap; margin-bottom: 0; }
  .pillar-panel { grid-template-columns: 1fr; gap: 32px; }
  .value-grid,
  .stat-grid,
  .library-grid,
  .education-grid { grid-template-columns: 1fr; }
  .preview-metrics { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta { display: none; }

  .nav-toggle { display: flex; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }

  .hero { min-height: auto; }
  .trusted { flex-direction: column; gap: 16px; }
  .pillar-nav { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .pillar-tab { white-space: nowrap; flex-shrink: 0; }
  .timeline-meta { flex-direction: column; }
}