/* ================================================================
   style.css — Adelie Lorge Portfolio
   Component set ported from aaryabookseller16.github.io, restyled
   with a light-blue/desert-sand (day) and navy/sand (night) palette.
   ================================================================ */

/* 1. RESET
   ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
html, body { min-height: 100%; }
body {
  --ease-apple: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 180ms;
  --dur-slow: 520ms;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
p { line-height: 1.55; margin-bottom: 12px; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }
strong { font-weight: 700; }
em { font-style: italic; }

/* 2. LAYOUT
   ---------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 48px;
}
@media (max-width: 768px) { .container { padding-inline: 24px; } }
@media (max-width: 480px) { .container { padding-inline: 16px; } }

/* 3. TYPOGRAPHY
   ---------------------------------------------------------------- */
h1 { font-size: 3.3rem; font-weight: 700; line-height: 1.05; letter-spacing: -0.01em; }
h2 { font-size: 1.75rem; font-weight: 700; line-height: 1.15; letter-spacing: -0.005em; margin-bottom: 14px; }
h3 { font-size: 1rem; font-weight: 700; line-height: 1.3; }
.eyebrow {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
}
.eyebrow::before { content: "// "; opacity: 0.6; }
@media (max-width: 768px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.4rem; }
}
@media (max-width: 480px) {
  h1 { font-size: 1.9rem; }
}

/* 4. HEADER
   ---------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  gap: 16px;
}
.brand {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
}
.brand span { color: var(--accent); }
.brand:hover { text-decoration: none; }

.site-nav { display: flex; align-items: center; gap: 2px; }
.site-nav a {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 11px;
  border-radius: var(--radius);
  transition: color 0.12s, background-color 0.12s;
}
.site-nav a:hover { color: var(--text); background-color: var(--bg-2); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--text); background-color: var(--bg-2); }

.header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

.btn-icon, .theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  line-height: 0;
  transition: color 0.12s, border-color 0.12s;
}
.btn-icon:hover, .theme-toggle:hover { color: var(--text); border-color: var(--muted); }
.btn-icon svg, .theme-toggle svg { width: 16px; height: 16px; }

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

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; }
  .header-bar { position: relative; }
  .site-nav {
    display: none;
    position: absolute;
    left: 0; right: 0; top: 57px;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 24px 14px;
    z-index: 99;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 10px 8px; }
}

/* 5. HERO (home)
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 28px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 10%, transparent), transparent 45%), var(--bg);
}
#flowCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: var(--canvas-opacity, 0.6);
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease-apple);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: center;
}
.stat-strip {
  position: relative;
  z-index: 1;
  display: flex;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stat-strip .stat { flex: 1; padding: 10px 20px; border-right: 1px solid var(--border); }
.stat-strip .stat:last-child { border-right: none; }
.stat-strip .stat strong { display: block; font-size: 1.6rem; line-height: 1; }
.stat-strip .stat span {
  display: block; margin-top: 5px; font-family: var(--font-mono);
  font-size: 0.66rem; letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase;
}
@media (max-width: 640px) {
  .stat-strip { flex-wrap: wrap; }
  .stat-strip .stat { flex: 1 1 50%; border-bottom: 1px solid var(--border); }
}
.hero-title { font-size: 2.9rem; margin-bottom: 14px; overflow-wrap: anywhere; }
.hero-lead { font-size: 0.96rem; color: var(--muted); line-height: 1.65; max-width: 58ch; margin-bottom: 14px; }
.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.inline-chips { display: flex; flex-wrap: wrap; gap: 6px; }

.hero-panel {
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in oklab, var(--accent) 72%, var(--border));
  border-radius: var(--radius);
  background: var(--bg-1);
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform var(--dur-slow) var(--ease-apple), box-shadow var(--dur-fast) var(--ease-apple);
}
.hero-panel:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); }
.hero-panel img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center top;
  border-bottom: 1px solid var(--border);
}
.hero-panel__body { padding: 16px; }
.hero-panel__body .eyebrow { margin-bottom: 6px; }
.hero-panel__body strong { display: block; font-size: 1.05rem; line-height: 1.35; margin-bottom: 10px; }
.hero-panel__rows { display: grid; border-top: 1px solid var(--border); }
.hero-panel__rows p {
  margin: 0; padding: 8px 0; border-bottom: 1px solid var(--border);
  font-size: 0.83rem; color: var(--muted); line-height: 1.5;
}
.hero-panel__rows p:last-child { border-bottom: none; }
.hero-panel__rows b { color: var(--text); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .hero-panel { max-width: 420px; }
}

/* 6. BUTTONS
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 17px;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-sans);
  line-height: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  background: transparent;
  color: var(--text);
  transition: transform var(--dur-fast) var(--ease-apple), background-color var(--dur-fast) var(--ease-apple), border-color var(--dur-fast) var(--ease-apple);
  white-space: nowrap;
}
.btn:hover { background: var(--bg-2); border-color: var(--muted); text-decoration: none; transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn--primary:hover { opacity: 0.9; background: var(--accent); }
.btn--sm { padding: 6px 11px; font-size: 0.78rem; }
.arrow { display: inline-block; transition: transform var(--dur-fast) var(--ease-apple); }
.btn:hover .arrow, a:hover .arrow { transform: translateX(3px); }

/* 7. PILLS / TAGS
   ---------------------------------------------------------------- */
.pills { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.pill {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 4px 8px;
  border: 1px solid color-mix(in oklab, var(--accent) 25%, var(--border));
  border-radius: 2px;
  color: var(--muted-strong);
  background: var(--bg-2);
  white-space: nowrap;
}
.pill-btn {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-1);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.12s, border-color 0.12s, background-color 0.12s;
}
.pill-btn:hover { color: var(--text); border-color: var(--muted); }
.pill-btn[aria-pressed="true"] { color: var(--accent-fg); background: var(--accent); border-color: var(--accent); }

.pill--pending {
  border-style: dashed;
  border-color: var(--border);
  background: transparent;
  color: var(--muted);
  opacity: 0.75;
  font-style: italic;
}

/* 8. SECTIONS / GENERIC CARD
   ---------------------------------------------------------------- */
.section { padding: 34px 0; }
.section + .section { border-top: 1px solid var(--border); }
.section-lead { font-size: 0.95rem; color: var(--muted); line-height: 1.65; max-width: 66ch; margin-bottom: 18px; }

.card {
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in oklab, var(--accent) 72%, var(--border));
  border-radius: var(--radius);
  background: var(--bg-1);
  box-shadow: var(--shadow-1);
  padding: 20px;
  transition: box-shadow var(--dur-fast) var(--ease-apple), background-color var(--dur-fast) var(--ease-apple), transform var(--dur-fast) var(--ease-apple);
}
.card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 5%, transparent), transparent 58%), var(--bg-1);
}
.card .meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 10px;
}
.card ul { padding-left: 1.2em; list-style: disc; margin: 8px 0; }
.card li { font-size: 0.88rem; color: var(--muted); line-height: 1.5; margin-bottom: 4px; }
.card + .card { margin-top: 12px; }

/* Simple coursework list */
.simple-list { margin-top: 8px; padding-left: 1.2em; list-style: disc; }
.simple-list li { font-size: 0.88rem; color: var(--muted); margin-bottom: 4px; }

/* 9. MILESTONES / UPDATES (home) — intro column + numbered timeline list
   ---------------------------------------------------------------- */
.milestones-section { padding: 30px 0; }
.milestones-grid {
  display: grid;
  grid-template-columns: minmax(200px, 0.8fr) minmax(0, 2.1fr);
  gap: 48px;
  align-items: start;
}
.milestones-title { font-size: 2.1rem; line-height: 1.05; margin: 6px 0 14px; }
.milestones-lead { color: var(--muted); font-size: 0.92rem; line-height: 1.6; margin-bottom: 18px; }
.milestones-meta {
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 14px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.04em;
  color: var(--muted); text-transform: uppercase;
}

.milestones-list { position: relative; list-style: none; }
.milestones-list::before {
  content: ""; position: absolute; left: 52px; top: 4px; bottom: 4px; width: 1px;
  background: var(--border);
}
.milestone {
  position: relative;
  display: grid;
  grid-template-columns: 30px 24px minmax(0, 1fr);
  column-gap: 10px;
  align-items: start;
  padding: 22px 0;
  border-top: 1px solid var(--border);
}
.milestone:first-child { border-top: none; padding-top: 0; }
.milestone:last-child { padding-bottom: 0; }
.milestone__index { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); padding-top: 3px; }
.milestone__point {
  position: relative; z-index: 1; width: 9px; height: 9px; margin: 6px auto 0;
  border-radius: 999px; background: var(--accent);
}
.milestone__date { display: block; font-family: var(--font-mono); font-size: 0.76rem; font-weight: 700; color: var(--text); }
.milestone__tag {
  display: block; margin-top: 2px; margin-bottom: 8px;
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.06em;
  color: var(--accent); text-transform: uppercase;
}
.milestone__body h3 { font-size: 1.25rem; line-height: 1.2; margin-bottom: 6px; }
.milestone__body h3 a { color: var(--text); }
.milestone__body h3 a:hover { color: var(--accent); }
.milestone__body h3 .arrow { color: var(--accent); font-size: 0.75em; }
.milestone__body p { margin: 0; color: var(--muted); font-size: 0.88rem; line-height: 1.55; }

@media (max-width: 760px) {
  .milestones-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
}
@media (max-width: 480px) {
  .milestone { grid-template-columns: 20px minmax(0, 1fr); }
  .milestone__index { display: none; }
  .milestones-list::before { left: 10px; }
}

/* 10. PAGE HERO (interior page banner)
   ---------------------------------------------------------------- */
.hero-section {
  position: relative;
  overflow: hidden;
  padding: 30px 0 22px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 12%, transparent), transparent 42%), var(--bg);
}
.hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in oklab, var(--border) 60%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklab, var(--border) 60%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 100% at 20% 0%, black 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 100% at 20% 0%, black 30%, transparent 75%);
  pointer-events: none;
}
.hero-section .container { position: relative; z-index: 1; }
.page-hero { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.85fr); gap: 28px; align-items: end; }
.page-hero__copy { max-width: 66ch; }
.hero-page-title { font-size: 2.4rem; margin-bottom: 8px; }
.hero-page-lead { font-size: 0.94rem; color: var(--muted); max-width: 58ch; line-height: 1.6; margin-bottom: 14px; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.page-snapshot { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.snapshot-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-bottom: 1px solid var(--border); }
@media (max-width: 380px) { .snapshot-metrics { grid-template-columns: minmax(0, 1fr); } .snapshot-metric { border-right: none !important; border-bottom: 1px solid var(--border); } }
.snapshot-metric { padding: 10px 16px; border-right: 1px solid var(--border); }
.snapshot-metric:last-child { border-right: none; }
.snapshot-metric strong { display: block; font-size: 1.5rem; line-height: 1; }
.snapshot-metric span { display: block; margin-top: 5px; font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); }
.snapshot-focus { padding: 12px 16px; }
.snapshot-focus span { display: block; margin-bottom: 6px; font-family: var(--font-mono); font-size: 0.66rem; color: var(--muted); text-transform: uppercase; }
.snapshot-focus strong { display: block; margin-bottom: 6px; font-size: 1.05rem; }
.snapshot-focus p { font-size: 0.85rem; color: var(--muted); line-height: 1.55; margin: 0; }

.page-toolbar { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border); }
.local-nav { display: flex; gap: 6px; flex-wrap: wrap; }
.local-nav a {
  font-size: 0.78rem; color: var(--muted); padding: 6px 11px;
  border: 1px solid var(--border); border-radius: var(--radius);
  transition: color 0.12s, border-color 0.12s;
}
.local-nav a:hover { color: var(--text); border-color: var(--muted); text-decoration: none; }

@media (max-width: 768px) {
  .page-hero { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .hero-page-title { font-size: 2rem; }
}

/* 11. PROJECTS — toggle list (accordion), ported from the reference's .timeline-item
   ---------------------------------------------------------------- */
.project-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }

.research-list { display: grid; }
.research-item {
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in oklab, var(--accent) 72%, var(--border));
  background: var(--bg-1);
  border-bottom: none;
  overflow: hidden;
  transition: background-color var(--dur-fast) var(--ease-apple);
}
.research-item:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.research-item:last-child { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); }
.research-item:hover, .research-item[open] {
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 5%, transparent), transparent 56%), var(--bg-1);
}
.research-item[hidden] { display: none; }

.research-item__summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.research-item__summary::-webkit-details-marker { display: none; }
.research-item[open] > .research-item__summary { border-bottom: 1px solid var(--border); }

.research-item__org {
  display: block; margin-bottom: 4px;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.04em;
  color: var(--accent); text-transform: uppercase;
}
.research-item__summary h3 { font-size: 1rem; margin-bottom: 3px; }
.research-item__summary h3 a { color: var(--text); }
.research-item__summary h3 a:hover { color: var(--accent); }
.research-item__meta { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }

.research-item__body { padding: 0 20px 18px; }
.research-item__body p { font-size: 0.88rem; color: var(--muted); }
.research-item__body ul { padding-left: 1.2em; list-style: disc; margin-bottom: 8px; }
.research-item__body li { font-size: 0.87rem; color: var(--muted); line-height: 1.5; margin-bottom: 4px; }


/* 12. QUALIFICATIONS (background page)
   ---------------------------------------------------------------- */
.qual-section {
  border: 1px solid var(--border);
  background: var(--bg-1);
  border-bottom: none;
  transition: background-color var(--dur-fast) var(--ease-apple);
}
.qual-section:hover {
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 4%, transparent), transparent 56%), var(--bg-1);
}
.qual-section:first-child { border-radius: var(--radius) var(--radius) 0 0; }
.qual-section:last-child { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--radius) var(--radius); }
.qual-summary {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px; cursor: pointer; list-style: none; user-select: none; gap: 16px;
}
.qual-summary::-webkit-details-marker { display: none; }
.qual-section[open] > .qual-summary { border-bottom: 1px solid var(--border); }
.chevron {
  width: 14px; height: 14px; flex-shrink: 0; margin-top: 3px;
  color: var(--muted);
  transition: transform var(--dur-fast) var(--ease-apple);
}
[open] > .qual-summary .chevron,
[open] > .research-item__summary .chevron { transform: rotate(180deg); }

.qual-head { display: flex; flex-direction: column; gap: 4px; }
.qual-eyebrow { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.qual-eyebrow::before { content: "// "; opacity: 0.6; }
.qual-body { padding: 18px 22px; display: grid; gap: 14px; }

.skills-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.skills-group {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in oklab, var(--accent) 72%, var(--border));
  border-radius: var(--radius);
  padding: 12px 16px;
  transition: background-color var(--dur-fast) var(--ease-apple);
}
.skills-group:hover {
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 5%, transparent), transparent 58%), var(--bg);
}
.skills-group h3 { font-size: 0.85rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.03em; margin-bottom: 10px; }
@media (max-width: 760px) { .skills-grid { grid-template-columns: minmax(0, 1fr); } }

.cert-list { display: grid; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.cert-row {
  display: grid; grid-template-columns: minmax(0, 1fr) auto;
  align-items: center; gap: 16px; padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  border-left: 3px solid color-mix(in oklab, var(--accent) 72%, var(--border));
  background: var(--bg);
  transition: background-color var(--dur-fast) var(--ease-apple);
}
.cert-row:last-child { border-bottom: none; }
.cert-row:hover {
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 4%, transparent), transparent 56%), var(--bg);
}
.cert-row h3 { font-size: 0.9rem; margin-bottom: 2px; }
.cert-row p { margin: 0; color: var(--muted); font-size: 0.78rem; }
@media (max-width: 560px) {
  .cert-row { grid-template-columns: minmax(0, 1fr); }
}

/* 13. CONTACT
   ---------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 860px) { .contact-layout { grid-template-columns: minmax(0, 1fr); } }

.contact-panel {
  border: 1px solid var(--border);
  border-left: 3px solid color-mix(in oklab, var(--accent) 72%, var(--border));
  border-radius: var(--radius);
  background: var(--bg-1);
  box-shadow: var(--shadow-1);
  padding: 22px;
  transition: box-shadow var(--dur-fast) var(--ease-apple), background-color var(--dur-fast) var(--ease-apple);
}
.contact-panel:hover {
  box-shadow: var(--shadow-2);
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 4%, transparent), transparent 58%), var(--bg-1);
}
.contact-methods { display: grid; gap: 0; margin-top: 14px; }
.contact-method { display: flex; justify-content: space-between; gap: 18px; padding: 10px 0; border-top: 1px solid var(--border); }
.contact-method span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); text-transform: uppercase; }
.contact-method a { color: var(--text); text-align: right; }
.contact-method a:hover { color: var(--accent); }

/* Contact form */
.contact-form { display: grid; gap: 14px; margin-top: 14px; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 480px) { .form-row { grid-template-columns: minmax(0, 1fr); } }
.field { display: grid; gap: 6px; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
}
.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color var(--dur-fast) var(--ease-apple);
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--accent); }
.form-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-note { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.5; }
.form-note.is-error { color: #b5453f; }
.form-note.is-success { color: var(--accent); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* 14. FOOTER
   ---------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--border); padding: 16px 0; margin-top: 32px; }
.footer-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-family: var(--font-mono); font-size: 0.73rem; color: var(--muted); }
.footer-contact { font-family: var(--font-mono); font-size: 0.73rem; color: var(--accent); margin-left: auto; }
.footer-links { display: flex; align-items: center; gap: 5px; }
.footer-links a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--muted); text-decoration: none; transition: color 0.12s, border-color 0.12s, transform 0.12s;
}
.footer-links a:hover { color: var(--text); border-color: var(--muted); text-decoration: none; transform: translateY(-2px); }
.footer-links svg { width: 15px; height: 15px; }
.footer-links .tooltip-text { left: auto; right: 0; transform: none; }

.tooltip { position: relative; display: inline-flex; }
.tooltip-text {
  visibility: hidden; opacity: 0; position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%); background: var(--bg-1); color: var(--text); border: 1px solid var(--border);
  padding: 5px 10px; border-radius: var(--radius); font-size: 0.73rem; white-space: nowrap;
  transition: opacity 0.12s; z-index: 20; pointer-events: none;
}
.tooltip:hover .tooltip-text { visibility: visible; opacity: 1; }

/* 15. BACK TO TOP
   ---------------------------------------------------------------- */
#backToTop {
  position: fixed; top: 50%; right: 18px; z-index: 1000;
  width: 34px; height: 34px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-1); color: var(--muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(-50%);
  transition: opacity 0.2s, color 0.12s, border-color 0.12s;
}
#backToTop:hover { color: var(--text); border-color: var(--muted); }
#backToTop.show { opacity: 1; visibility: visible; }

/* 16. A11Y / MOTION
   ---------------------------------------------------------------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

@media (prefers-reduced-motion: no-preference) {
  body { animation: pageEnter 520ms var(--ease-apple) both; }
  .hero, .hero-section, .section {
    animation: softReveal 640ms var(--ease-apple) both;
  }
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 600ms var(--ease-apple) var(--reveal-delay, 0ms),
                transform 600ms var(--ease-apple) var(--reveal-delay, 0ms);
    will-change: opacity, transform;
  }
  .reveal-on-scroll.is-revealed { opacity: 1; transform: translateY(0); }
}
@keyframes pageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes softReveal {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .reveal-on-scroll { opacity: 1 !important; transform: none !important; }
}