/* ============================================================
   me.itisyou.app — design tokens (mirrors itisyou.app identity)
   ============================================================ */

:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #17191c;
  --text-muted: #55585d;
  --border: #e2ded7;
  --brand: #8a6417;
  --brand-ink: #ffffff;

  --serif: ui-serif, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-1: 0 1px 2px rgba(20, 18, 12, 0.06);
  --shadow-2: 0 8px 24px rgba(20, 18, 12, 0.10);
  --shadow-3: 0 20px 48px rgba(20, 18, 12, 0.16);
  --glow: 0 0 0 1px rgba(138, 100, 23, 0.18), 0 16px 40px rgba(138, 100, 23, 0.14);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0c0e;
    --surface: #16181d;
    --text: #eceae7;
    --text-muted: #a8a49e;
    --border: #262a31;
    --brand: #e8c88a;
    --brand-ink: #0b0c0e;
    --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.45);
    --shadow-3: 0 24px 56px rgba(0, 0, 0, 0.55);
    --glow: 0 0 0 1px rgba(232, 200, 138, 0.16), 0 16px 40px rgba(232, 200, 138, 0.12);
  }
}

:root[data-theme="dark"] {
  --bg: #0b0c0e;
  --surface: #16181d;
  --text: #eceae7;
  --text-muted: #a8a49e;
  --border: #262a31;
  --brand: #e8c88a;
  --brand-ink: #0b0c0e;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-2: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-3: 0 24px 56px rgba(0, 0, 0, 0.55);
  --glow: 0 0 0 1px rgba(232, 200, 138, 0.16), 0 16px 40px rgba(232, 200, 138, 0.12);
}

:root[data-theme="light"] {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --text: #17191c;
  --text-muted: #55585d;
  --border: #e2ded7;
  --brand: #8a6417;
  --brand-ink: #ffffff;
  --shadow-1: 0 1px 2px rgba(20, 18, 12, 0.06);
  --shadow-2: 0 8px 24px rgba(20, 18, 12, 0.10);
  --shadow-3: 0 20px 48px rgba(20, 18, 12, 0.16);
  --glow: 0 0 0 1px rgba(138, 100, 23, 0.18), 0 16px 40px rgba(138, 100, 23, 0.14);
}

/* ============================================================
   Base
   ============================================================ */

* { box-sizing: border-box; }

html {
  color-scheme: light dark;
  scroll-behavior: smooth;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

main { display: block; overflow-x: hidden; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw + 1rem, 4.4rem); }
h2 { font-size: clamp(1.7rem, 2.6vw + 1rem, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1vw + 0.9rem, 1.4rem); }

p { margin: 0 0 1em; color: var(--text-muted); }

a {
  color: var(--brand);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

img { display: block; max-width: 100%; height: auto; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

section { padding: clamp(56px, 9vw, 108px) 0; }

/* Focus ring — never remove */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2.5px solid var(--brand);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  background: var(--brand);
  color: var(--brand-ink);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--sans);
  font-weight: 600;
  z-index: 1000;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 12px;
}

/* ============================================================
   Eyebrow / mono labels
   ============================================================ */

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  display: inline-block;
  margin-bottom: 14px;
}

/* ============================================================
   Header / nav
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  max-width: 1140px;
  margin: 0 auto;
}

.brand-mark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}
.brand-mark:hover { text-decoration: none; }
.brand-mark .dot { color: var(--brand); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 22px);
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.94rem;
  padding: 10px 4px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-links a:hover { color: var(--text); text-decoration: none; }

.theme-toggle {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  min-height: 44px;
  min-width: 44px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.theme-toggle:hover { border-color: var(--brand); }
.theme-toggle svg { width: 16px; height: 16px; stroke: currentColor; }

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 24px;
  min-height: 44px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease-out, box-shadow 150ms ease-out;
}
.btn-primary {
  background: var(--brand);
  color: var(--brand-ink);
  box-shadow: var(--shadow-2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-3); text-decoration: none; }
.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); text-decoration: none; }

@media (prefers-reduced-motion: reduce) {
  .btn { transition: none; }
  .btn-primary:hover, .btn-secondary:hover { transform: none; }
}

/* ============================================================
   Hero — 3D composition
   ============================================================ */

.hero {
  padding-top: clamp(56px, 10vw, 120px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero-copy h1 { margin-bottom: 0.3em; }

.hero-headline {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 1.6vw + 0.9rem, 1.65rem);
  color: var(--text);
  margin-bottom: 0.7em;
  max-width: 34ch;
}

.hero-intro {
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: 1.6em;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.hero-meta {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.hero-hire {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 52ch;
}

/* 3D scene */
.hero-scene {
  perspective: 1200px;
  height: clamp(280px, 38vw, 420px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-stage {
  position: relative;
  width: 100%;
  max-width: 340px;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 120ms ease-out;
  will-change: transform;
}

.scene-layer {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  transform-style: preserve-3d;
}

.scene-layer.layer-back {
  transform: translateZ(-70px) translate(18px, 26px) rotateZ(-3deg);
  opacity: 0.55;
}
.scene-layer.layer-mid {
  transform: translateZ(-30px) translate(8px, 12px) rotateZ(2deg);
  opacity: 0.8;
}
.scene-layer.layer-front {
  transform: translateZ(20px);
}

.scene-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand);
}

.scene-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--text);
  margin: 10px 0 4px;
}

.scene-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

.scene-badge {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 0.68rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--text-muted);
}

@media (prefers-reduced-motion: reduce) {
  .scene-stage { transition: none; transform: none !important; }
}

@media (pointer: coarse) {
  .scene-stage { transform: none !important; }
}

/* ============================================================
   Cards — services, projects, more-projects
   ============================================================ */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

@media (max-width: 760px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-1);
  transform: perspective(800px) rotateX(0) rotateY(0) translateZ(0);
  transition: transform 220ms ease-out, box-shadow 220ms ease-out, border-color 220ms ease-out;
  will-change: transform;
}

.card:hover {
  box-shadow: var(--shadow-2), var(--glow);
  border-color: color-mix(in srgb, var(--brand) 40%, var(--border));
}

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card:hover { transform: none; }
}
@media (pointer: coarse) {
  .card:hover { transform: none; }
}

.card h3 { margin-bottom: 12px; }

.card-field {
  margin-bottom: 12px;
}
.card-field dt {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 4px;
}
.card-field dd {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card-cta {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--brand);
  font-weight: 600;
}

.on-request-note {
  margin-top: 28px;
  padding: 18px 22px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  font-size: 0.92rem;
}
.on-request-note strong { color: var(--text); font-family: var(--sans); }

.services-intro {
  font-style: italic;
}

/* ============================================================
   Status badges
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid;
  white-space: nowrap;
}
.badge::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}

.badge-live { color: #1d7a42; border-color: #1d7a42; background: rgba(29, 122, 66, 0.1); }
.badge-sample { color: #2563a8; border-color: #2563a8; background: rgba(37, 99, 168, 0.1); }
.badge-private { color: #6b4fbb; border-color: #6b4fbb; background: rgba(107, 79, 187, 0.1); }
.badge-research { color: #b8590f; border-color: #b8590f; background: rgba(184, 89, 15, 0.1); }
.badge-frozen { color: #3d6b8a; border-color: #3d6b8a; background: rgba(61, 107, 138, 0.1); }
.badge-paused { color: #8a3d3d; border-color: #8a3d3d; background: rgba(138, 61, 61, 0.1); }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge-live { color: #6fd396; }
  :root:not([data-theme="light"]) .badge-sample { color: #7db3ea; }
  :root:not([data-theme="light"]) .badge-private { color: #b7a3ea; }
  :root:not([data-theme="light"]) .badge-research { color: #f0a862; }
  :root:not([data-theme="light"]) .badge-frozen { color: #8fc1e0; }
  :root:not([data-theme="light"]) .badge-paused { color: #e29a9a; }
}
:root[data-theme="dark"] .badge-live { color: #6fd396; }
:root[data-theme="dark"] .badge-sample { color: #7db3ea; }
:root[data-theme="dark"] .badge-private { color: #b7a3ea; }
:root[data-theme="dark"] .badge-research { color: #f0a862; }
:root[data-theme="dark"] .badge-frozen { color: #8fc1e0; }
:root[data-theme="dark"] .badge-paused { color: #e29a9a; }

/* ============================================================
   Selected work — case studies
   ============================================================ */

.section-intro-note {
  font-style: italic;
  max-width: 60ch;
  margin-bottom: 40px;
}

.case-study {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 4vw, 40px);
  margin-bottom: 28px;
  box-shadow: var(--shadow-1);
}

.case-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.case-head h3 { margin-bottom: 0; }

.case-preview {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 20px;
  background: var(--bg);
}
.case-preview img {
  width: 100%;
  display: block;
  aspect-ratio: 1568 / 772;
  object-fit: cover;
}
.case-preview-missing {
  padding: 40px 20px;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.case-field { margin-bottom: 16px; }
.case-field dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--brand);
  margin-bottom: 6px;
}
.case-field dd { margin: 0; color: var(--text-muted); }

.evidence-block {
  margin-top: 20px;
  padding: 18px 20px;
  border-left: 3px solid var(--brand);
  background: color-mix(in srgb, var(--brand) 6%, transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.evidence-block dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}
.evidence-block dd { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.case-link {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.85rem;
}

/* ============================================================
   More projects
   ============================================================ */

.more-group { margin-bottom: 36px; }
.more-group h3 {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.more-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.more-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  background: var(--surface);
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.more-item.has-thumb {
  grid-template-columns: 96px 1fr;
  align-items: start;
}
@media (max-width: 480px) {
  .more-item.has-thumb { grid-template-columns: 1fr; }
}
.more-thumb {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg);
}
.more-thumb img {
  width: 100%;
  aspect-ratio: 1568 / 772;
  object-fit: cover;
  display: block;
}
.more-item strong {
  font-family: var(--sans);
  color: var(--text);
}
.more-item p { margin: 6px 0 0; font-size: 0.94rem; }
.more-item a { font-family: var(--mono); font-size: 0.82rem; }

/* ============================================================
   Skills
   ============================================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.skill-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  background: var(--surface);
}
.skill-item h3 { font-size: 1.05rem; margin-bottom: 8px; }
.skill-item p { margin: 0; font-size: 0.92rem; }

.tools-chip-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tools-chip-list li {
  font-family: var(--mono);
  font-size: 0.82rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  background: var(--surface);
  color: var(--text);
}

.caveat-line {
  font-size: 0.88rem;
  font-style: italic;
  max-width: 62ch;
}

/* ============================================================
   How I work
   ============================================================ */

.steps-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 18px;
}
.step-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}
.step-num {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--brand);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-item h3 { font-size: 1.05rem; margin-bottom: 4px; }
.step-item p { margin: 0; }

.honest-note {
  padding: 18px 22px;
  border-left: 3px solid var(--brand);
  background: color-mix(in srgb, var(--brand) 6%, transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.95rem;
}
.honest-note p { margin: 0; color: var(--text); }

/* ============================================================
   About
   ============================================================ */

.about-content { max-width: 68ch; }
.about-content p { color: var(--text); font-size: 1.02rem; }

/* ============================================================
   Contact
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 760px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.contact-list {
  margin: 0 0 20px;
  padding-left: 20px;
  color: var(--text-muted);
}
.contact-list li { margin-bottom: 8px; }

.contact-links {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-links a {
  font-family: var(--mono);
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}
.contact-links svg { width: 18px; height: 18px; stroke: currentColor; flex-shrink: 0; }

.contact-note {
  font-size: 0.88rem;
  font-style: italic;
}

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin: 10px 0;
  list-style: none;
  padding: 0;
}
.footer-links a { font-family: var(--mono); font-size: 0.85rem; }
.footer-small { margin-top: 10px; font-size: 0.82rem; }

/* ============================================================
   Scroll reveal — visible by default, JS opts in to the transition
   ============================================================ */

.reveal {
  opacity: 1;
  transform: none;
}
.reveal.reveal-ready {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 380ms ease-out, transform 380ms ease-out;
}
.reveal.reveal-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal.reveal-ready {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ============================================================
   Utility
   ============================================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (max-width: 400px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
}