/*
  Global styles — modern, accessible, responsive.
*/
:root {
  --bg: #0b0d10;
  --bg-elev: #111418;
  --text: #e5e7eb;
  --muted: #9aa3af;
  --primary: #6ee7b7;
  --primary-700: #34d399;
  --border: #1f242b;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 14px;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --max: 1200px;
  --font: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

[data-theme="light"]:root {
  --bg: #ffffff;
  --bg-elev: #f8fafc;
  --text: #0b0d10;
  --muted: #4b5563;
  --primary: #0ea5e9;
  --primary-700: #0284c7;
  --border: #e5e7eb;
  --shadow: 0 10px 25px rgba(2,132,199,.15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; border-radius: calc(var(--radius) - 6px); }
a { color: inherit; text-decoration: none; }
a:focus { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 6px; }

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }
.narrow { width: min(100% - 2rem, 780px); }
.prose p { max-width: 70ch; }

.skip-link { position: absolute; left: -999px; top: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--primary); color: #000; padding: .5rem .75rem; border-radius: 6px; }

.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: saturate(1.2) blur(8px); background: color-mix(in oklab, var(--bg) 80%, transparent); border-bottom: 1px solid var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 1rem; }
.brand { font-weight: 800; letter-spacing: .5px; padding: .5rem .7rem; border-radius: 10px; background: linear-gradient(135deg, var(--primary), color-mix(in oklab, var(--primary) 40%, #fff)); color: #001018; }
.nav ul { display: flex; gap: 1rem; list-style: none; padding: 0; margin: 0; }
.header-actions { display: flex; gap: .5rem; align-items: center; }
.social { opacity: .8; padding: .25rem .5rem; border-radius: 8px; }
.social:hover { background: var(--bg-elev); opacity: 1; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem 1rem; border-radius: 12px; border: 1px solid var(--border); transition: transform .1s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease; cursor: pointer; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #001018; border-color: transparent; }
.btn-outline { background: transparent; }
.btn-ghost { background: transparent; border-color: transparent; }

.section { padding: clamp(3rem, 6vw, 6rem) 0; }
.section.alt { background: var(--bg-elev); }
.section-header { margin-bottom: 1.25rem; }
.section-header h2 { font-size: clamp(1.4rem, 2vw, 2rem); margin: 0 0 .25rem; }
.section-header p { margin: 0; color: var(--muted); }

.hero { position: relative; overflow: clip; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; min-height: min(720px, 80vh); }
.hero-copy .eyebrow { color: var(--primary); letter-spacing: .08em; text-transform: uppercase; font-weight: 700; }
.display { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.1; margin: .25rem 0 1rem; }
.lead { color: var(--muted); font-size: clamp(1rem, 1.3vw, 1.125rem); }
.cta { display: flex; gap: .75rem; margin-top: 1rem; }
.bg-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.scroll-indicator { position: absolute; left: 50%; bottom: .5rem; transform: translateX(-50%); width: 26px; height: 44px; border: 2px solid var(--border); border-radius: 20px; display: grid; place-items: center; opacity: .7; }
.scroll-indicator span { width: 6px; height: 10px; background: var(--primary); border-radius: 4px; animation: scroll 1.6s ease-in-out infinite; }
@keyframes scroll { 0%{ transform: translateY(-8px);} 50%{ transform: translateY(6px);} 100%{ transform: translateY(-8px);} }

.projects-grid { display: grid; gap: 1rem; grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 1000px){ .projects-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } .hero-inner{ grid-template-columns: 1fr; } }
@media (max-width: 640px){ .projects-grid{ grid-template-columns: 1fr; } }

.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.project-card { position: relative; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; transform-style: preserve-3d; }
.project-card:focus-within, .project-card:hover { transform: perspective(700px) rotateX(var(--rx,0)) rotateY(var(--ry,0)) translateY(-2px); box-shadow: 0 10px 30px color-mix(in oklab, var(--primary) 25%, #000000); }
.project-card .media { aspect-ratio: 16/9; background: #111; display: grid; place-items: center; }
.project-card .content { padding: 1rem; display: grid; gap: .5rem; }
.project-card .badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.badge { font-size: .75rem; padding: .25rem .5rem; border-radius: 999px; background: color-mix(in oklab, var(--primary) 20%, transparent); color: var(--primary-700); border: 1px solid color-mix(in oklab, var(--primary) 35%, var(--border)); animation: pulse 2.5s ease-in-out infinite; }
@keyframes pulse { 0%,100%{ opacity: .85 } 50%{ opacity: 1 } }

.chips { display: flex; gap: .5rem; flex-wrap: wrap; padding-left: 0; list-style: none; }
.chip { border: 1px dashed var(--border); padding: .4rem .6rem; border-radius: 999px; background: color-mix(in oklab, var(--bg-elev) 70%, transparent); }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 640px){ .grid-2 { grid-template-columns: 1fr; } }

.field { display: grid; gap: .35rem; }
.field input, .field textarea { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: .75rem .9rem; color: var(--text); }
.field input:focus, .field textarea:focus { outline: 2px solid var(--primary); border-color: transparent; }

.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--border); }

/* Modal */
.modal { position: fixed; inset: 0; display: grid; place-items: center; padding: 2rem; backdrop-filter: blur(4px); visibility: hidden; opacity: 0; transition: opacity .25s ease, visibility .25s ease; }
.modal[open] { visibility: visible; opacity: 1; }
.modal-backdrop { position: absolute; inset: 0; background: color-mix(in oklab, var(--bg) 60%, rgba(0,0,0,.35)); }
.modal-dialog { position: relative; width: min(100%, 900px); max-height: min(85vh, 900px); overflow: auto; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); box-shadow: var(--shadow); transform: scale(.98); transition: transform .25s ease; }
.modal[open] .modal-dialog { transform: scale(1); }
.modal-close { position: absolute; top: .75rem; right: .75rem; border: 0; background: transparent; color: var(--muted); font-size: 1.2rem; cursor: pointer; }

.project-detail { display: grid; gap: 1rem; padding: 1rem; }
.project-media { aspect-ratio: 16/9; background: #0b0d10; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.project-links { display: flex; gap: .5rem; flex-wrap: wrap; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px dashed var(--border); padding-left: 1.25rem; display: grid; gap: 1rem; }
.tl-dot { width: 10px; height: 10px; background: var(--primary); border-radius: 999px; box-shadow: 0 0 0 4px color-mix(in oklab, var(--primary) 35%, transparent); transform: translateX(-1.85rem); }

/* Meters */
.meters { display: grid; gap: .75rem; }
.meter { display: grid; grid-template-columns: 1fr auto; gap: .25rem .75rem; align-items: center; }
.meter label { color: var(--muted); }
.meter span { grid-column: 1 / -1; height: 10px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 999px; overflow: hidden; position: relative; }
.meter span::after { content: ''; position: absolute; inset: 0; width: var(--value); background: linear-gradient(90deg, var(--primary), color-mix(in oklab, var(--primary) 50%, #fff)); box-shadow: inset 0 0 10px rgba(0,0,0,.15); }

/* Utilities */
.stack-md { display: grid; gap: 1rem; }
.muted { color: var(--muted); }

/* Scroll reveal */
[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* Toast */
.toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); background: var(--bg-elev); color: var(--text); border: 1px solid var(--border); padding: .6rem .9rem; border-radius: 12px; box-shadow: var(--shadow); }

/* Fancy cursor */
@media (pointer: fine) {
  body.use-fancy-cursor { cursor: none; }
  body.use-fancy-cursor a, body.use-fancy-cursor button { cursor: none; }
  input, textarea { cursor: text; }
  .cursor {
    position: fixed; top: 0; left: 0; width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid color-mix(in oklab, var(--primary) 60%, transparent);
    background: color-mix(in oklab, var(--primary) 10%, transparent);
    pointer-events: none; transform: translate(-50%, -50%);
    transition: width .2s ease, height .2s ease, background .2s ease, border-color .2s ease, transform .08s ease-out;
    mix-blend-mode: lighten; z-index: 1000; backdrop-filter: blur(6px);
  }
  .cursor-dot { position: fixed; top: 0; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); pointer-events: none; transform: translate(-50%, -50%); z-index: 1001; }
  .cursor.grow { width: 64px; height: 64px; background: color-mix(in oklab, var(--primary) 20%, transparent); border-color: var(--primary); }
}