/* Megh Menghani portfolio. Unreal Editor-inspired dark panels, one accent:
   the orange outline UE draws around a selected actor. */

:root {
  --bg: #151515;          /* editor background */
  --panel: #1c1c1c;       /* details / outliner panel */
  --panel-head: #242424;  /* category header, viewport bar */
  --line: #2f2f2f;
  --line-strong: #3d3d3d;
  --text: #c8c8c8;
  --text-bright: #ececec;
  --text-muted: #8c8c8c;
  --accent: #f0a030;      /* selection orange */
  --accent-ink: #1a1206;
  --radius: 4px;
  --font: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, Consolas, monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  color-scheme: dark;
  /* Unreal Editor uses the OS crosshair (IDC_CROSS on Windows) for EMouseCursor::Crosshairs; browsers use the same one */
  --ue-cursor: crosshair;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 700px at 85% -10%, rgb(240 160 48 / .07), transparent 60%),
    radial-gradient(900px 700px at -10% 40%, rgb(255 255 255 / .025), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font: 400 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
/* Editor viewport grid behind everything, fading out down the screen. See DESIGN.md to revert. */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(rgb(255 255 255 / .035) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgb(255 255 255 / .035) 1px, transparent 1px) 0 0 / 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 85%);
          mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 85%);
}
a, button, video, p, li, h1, h2, h3, dt, dd, figcaption, small { cursor: var(--ue-cursor); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, dl, figure { margin: 0; }
ul { padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding-inline: 24px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 20px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--panel-head); color: var(--text-bright);
  font: 500 15px var(--font); white-space: nowrap; cursor: var(--ue-cursor);
  transition: border-color .2s var(--ease), background .2s var(--ease), transform .1s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: #f5b04e; }
.btn-sm { height: 34px; padding: 0 14px; font-size: 14px; }

/* Menu bar */
.menubar {
  position: sticky; top: 0; z-index: 10;
  background: rgb(21 21 21 / .92);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.menubar-inner { display: flex; align-items: center; gap: 32px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text-bright); }
.brand-mark {
  width: 32px; height: 32px; object-fit: cover;
  border: 1.5px solid var(--accent); border-radius: 50%;
}
.menubar-links { display: flex; gap: 4px; margin-right: auto; }
.menubar-links a {
  padding: 6px 12px; border-radius: var(--radius);
  font-size: 15px; color: var(--text-muted);
  transition: color .2s, background .2s;
}
.menubar-links a:hover { color: var(--text-bright); background: var(--panel-head); }
.menubar-links a.active { color: var(--text-bright); }

/* Viewport frame: the editor viewport, used for all project media */
.viewport {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: #0e0e0e; overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.viewport > video { cursor: var(--ue-cursor); }

/* Small play badge on paused videos; hidden while playing */
.viewport.has-video::after,
.thumbs button[data-video]::after {
  content: ""; position: absolute; pointer-events: none;
  background: no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 12'%3E%3Cpath d='M0 0l10 6-10 6z' fill='%23ececec'/%3E%3C/svg%3E");
  filter: drop-shadow(0 1px 2px rgb(0 0 0 / .8));
  transition: opacity .25s var(--ease);
}
.viewport.has-video::after { left: 12px; bottom: 12px; width: 12px; height: 14px; }
.viewport.is-playing::after { opacity: 0; }
.thumbs button[data-video] { position: relative; }
.thumbs button[data-video]::after { left: 6px; bottom: 6px; width: 8px; height: 10px; }
.thumbs-labeled button[data-video]::after { bottom: 32px; }
.viewport > img, .viewport > video { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.viewport-bar {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 7px 12px;
  background: var(--panel-head); border-bottom: 1px solid var(--line);
  font: 500 12.5px var(--mono); color: var(--text);
}
.viewport-bar-meta { color: var(--text-muted); }
/* Selected-actor outline, on the hero and on hover */
.viewport.is-selected,
.project:hover .viewport {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
/* Empty viewport: editor grid floor until real captures exist */
.viewport-grid {
  display: grid; place-items: center; aspect-ratio: 16 / 9;
  background:
    radial-gradient(ellipse at center, transparent 30%, #0e0e0e 85%),
    linear-gradient(#232323 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(90deg, #232323 1px, transparent 1px) 0 0 / 40px 40px,
    #121212;
}
.viewport-grid span { font: 600 clamp(22px, 3vw, 32px) var(--font); color: var(--line-strong); letter-spacing: -0.02em; }

/* Hero */
.hero {
  display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: center;
  padding-top: clamp(32px, 6vw, 72px); padding-bottom: clamp(40px, 7vw, 96px);
}
.hero h1 {
  font-size: clamp(40px, 5.2vw, 64px); font-weight: 700;
  line-height: 1.05; letter-spacing: -0.035em; color: var(--text-bright);
}
.hero-role { margin-top: 12px; font: 500 15px var(--mono); color: var(--accent); }
.hero-sub { margin-top: 20px; max-width: 40ch; font-size: 18px; color: var(--text); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Sections */
.section { padding-top: clamp(24px, 4vw, 48px); padding-bottom: clamp(56px, 8vw, 96px); }
.section-title {
  margin-bottom: clamp(20px, 3vw, 32px);
  font-size: clamp(28px, 3vw, 36px); font-weight: 600;
  letter-spacing: -0.025em; color: var(--text-bright);
}

/* Projects */
.project-feature { display: grid; grid-template-columns: 7fr 5fr; gap: 40px; align-items: start; }
.project-feature--flip { grid-template-columns: 5fr 7fr; }
.project-feature--flip .media { order: 2; }
.project-pair, .project-feature + .project-pair, .project-pair + .project-feature { margin-top: clamp(48px, 7vw, 96px); }
.section-title + .project-pair { margin-top: 0; }
.project-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

/* Thumbnail strip under feature media; click swaps the main shot */
.thumbs { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; gap: 10px; margin-top: 10px; }
.thumbs button {
  padding: 0; border: 1px solid var(--line); border-radius: var(--radius);
  background: none; overflow: hidden; cursor: var(--ue-cursor); opacity: .6;
  transition: opacity .2s, border-color .2s;
}
.thumbs button:hover { opacity: 1; }
.thumbs button.is-active { opacity: 1; border-color: var(--accent); }
.thumbs img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.thumbs-labeled span {
  display: block; padding: 4px 8px; background: var(--panel-head);
  font: 500 12px var(--mono); color: var(--text); text-align: left;
}
.project-pair .thumbs + .details { margin-top: 20px; }
.bar-logo { display: inline-block; width: 12px; height: 12px; margin-right: 6px; vertical-align: -1px; }
.xp-projects span { display: block; padding: 4px 10px; color: var(--text-muted); }
.note { margin-top: 16px; font: 12.5px var(--mono); color: var(--text-muted); }

/* Experience: one panel, a row per studio */
.xp { margin: 0; padding: 0; list-style: none; }
.xp-row {
  display: grid; grid-template-columns: 40px 1.2fr 1fr 1.3fr; gap: 20px; align-items: center;
  padding: 18px 20px;
}
.xp-row + .xp-row { border-top: 1px solid var(--line); }
.xp-company { display: grid; gap: 2px; }
.xp-logo {
  width: 40px; height: 40px; object-fit: contain; border-radius: var(--radius);
}
.xp-company a, .xp-name { font-weight: 600; font-size: 17px; color: var(--text-bright); }
.xp-company a { text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; transition: text-decoration-color .2s; }
.xp-company a:hover { text-decoration-color: var(--accent); }
.xp-company span:not(.xp-name) { font: 13px var(--mono); color: var(--text-muted); }
.xp-role { font-size: 15px; color: var(--text); }
.xp-role small { display: block; margin-top: 2px; font: 12px var(--mono); color: var(--text-muted); }
.xp-projects li { padding: 0; }
.xp-projects a { display: block; padding: 4px 10px; transition: color .2s; }
.xp-projects li:hover { border-color: var(--accent); }
.project-pair .viewport + .details { margin-top: 24px; }

.details-title { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; color: var(--text-bright); }
.details-pitch { margin-top: 8px; color: var(--text); max-width: 60ch; }

/* Details panel: UE-style collapsible category with property rows */
.details-group {
  margin-top: 20px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--panel); overflow: hidden;
}
.details-header {
  padding: 6px 12px;
  background: var(--panel-head); border-bottom: 1px solid var(--line);
  font: 500 12.5px var(--mono); color: var(--text-bright);
}
.details-header::before { content: "\25BE"; margin-right: 8px; color: var(--text-muted); }
.details-group .built { padding: 12px 14px; }

.props { display: grid; grid-template-columns: minmax(96px, auto) 1fr; }
.props dt, .props dd { padding: 7px 12px; font-size: 14.5px; }
.props dt { color: var(--text-muted); border-right: 1px solid var(--line); }
.props dd { margin: 0; color: var(--text-bright); }
.props dt:not(:first-of-type), .props dd:not(:first-of-type) { border-top: 1px solid var(--line); }

.built { display: grid; gap: 10px; margin-top: 16px; }
.details-group .built { margin-top: 0; }
.built li { position: relative; padding-left: 18px; font-size: 15px; line-height: 1.55; }
.built li::before {
  content: ""; position: absolute; left: 2px; top: .62em;
  width: 6px; height: 6px; border: 1.5px solid var(--accent); border-radius: 1px;
}

.links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.stack { margin-top: 16px; font: 13px var(--mono); color: var(--text-muted); }

/* Skills panel */
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.skill-row { display: grid; grid-template-columns: 180px 1fr; gap: 16px; align-items: center; padding: 16px 20px; }
.skill-row + .skill-row { border-top: 1px solid var(--line); }
.skill-label { font: 500 13px var(--mono); color: var(--text-muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips li {
  padding: 4px 10px;
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--panel-head); font-size: 14px; color: var(--text-bright);
}

/* About */
.about { display: grid; grid-template-columns: 7fr 5fr; gap: 56px; align-items: end; }
.about-text p { max-width: 58ch; font-size: 17px; }
.about-text p + p { margin-top: 16px; }
.about-props { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }

/* Footer */
.footer { border-top: 1px solid var(--line); background: var(--panel); padding: clamp(36px, 6vw, 56px) 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; }
.footer-lead { color: var(--text-muted); }
.footer-email {
  margin-top: 8px; padding: 0; border: 0; background: none; cursor: var(--ue-cursor);
  font: 600 clamp(22px, 3vw, 32px) var(--font); letter-spacing: -0.02em; color: var(--text-bright);
  text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 6px;
  transition: text-decoration-color .2s;
}
.footer-email:hover { text-decoration-color: var(--accent); }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); transition: color .2s; }
.footer-links a:hover { color: var(--text-bright); }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 20;
  padding: 10px 16px;
  border: 1px solid var(--accent); border-radius: var(--radius);
  background: var(--panel-head); color: var(--text-bright); font: 500 14px var(--mono);
  opacity: 0; transform: translate(-50%, 8px); pointer-events: none;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* Motion: hero load-in and scroll reveal, off for reduced motion */
@media (prefers-reduced-motion: no-preference) {
  .hero-copy { animation: rise .7s var(--ease) both; }
  .js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
  .js .reveal.in { opacity: 1; transform: none; }
}
@keyframes rise { from { opacity: 0; transform: translateY(16px); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Tablet */
@media (max-width: 960px) {
  .hero, .project-feature, .about { grid-template-columns: 1fr; }
  .project-feature--flip .media { order: 0; }
  .hero { gap: 32px; }
  .project-pair { grid-template-columns: 1fr; gap: clamp(48px, 7vw, 64px); }
  .about { gap: 32px; align-items: start; }
  .xp-row { grid-template-columns: 40px 1fr 1fr; }
  .xp-projects { grid-column: 2 / -1; }
}

/* Phone */
@media (max-width: 640px) {
  .container { padding-inline: 16px; }
  .menubar-inner { gap: 10px; height: 56px; }
  .brand span { display: none; }
  .menubar-links { gap: 0; }
  .menubar-links a { padding: 6px 8px; font-size: 14px; }
  .menubar-links a[href="#skills"], .menubar-links a[href="#about"] { display: none; }
  .hero-sub { font-size: 17px; }
  .hero-actions .btn { flex: 1; }
  .details-title { font-size: 22px; }
  .footer-links { gap: 20px; }
  .skill-row { grid-template-columns: 1fr; gap: 10px; }
  .xp-row { grid-template-columns: 40px 1fr; gap: 10px 14px; padding: 16px; }
  .xp-role, .xp-projects { grid-column: 2; }
  .viewport-bar-meta { display: none; }
}