/* ============================================================
   portfolio.css — Prithish Shan
   Layered on top of codrops base.css (loaded first).
   Adds: fonts/readability, top nav, hero, per-theme cards,
   scene hints, and preview detail cards. The 3D carousel
   engine (js/index.js) is unchanged.
   ============================================================ */

:root {
  font-size: 15px;
  --color-text: #f4f3f1;
  --color-bg: #0d0c0c;
  --color-muted: rgba(244, 243, 241, 0.55);
  --color-line: rgba(244, 243, 241, 0.16);
  --font-sans: "Inter", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  /* theme accents — cards use a shared black background; --myoverse-* is kept
     only for hero accents (MyoVerse cards are transparent media objects). */
  --myoverse-a: #2f6bd6;
  --myoverse-b: #14224d;
  --card-a: #201f22;   /* black card gradient (top) */
  --card-b: #0d0c0c;   /* black card gradient (bottom) */
  --medical-a: var(--card-a);
  --medical-b: var(--card-b);
  --foundational-a: var(--card-a);
  --foundational-b: var(--card-b);
  --aiapps-a: var(--card-a);
  --aiapps-b: var(--card-b);
}

/* ---------- base overrides (readability) ---------- */
body {
  font-family: var(--font-sans);
  text-transform: none;               /* base.css forces uppercase */
  letter-spacing: normal;
  background: var(--color-bg);
  color: var(--color-text);
}

/* keep the codrops loader, but tidy links */
a { color: var(--color-text); }

/* ============================================================
   FIXED TOP NAV  (override base .frame overlay)
   ============================================================ */
.frame {
  display: flex;
  position: fixed;
  inset: 0 0 auto 0;
  width: 100%;
  height: auto;
  padding: 0.9rem 1.2rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  grid-template-areas: none;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(13, 12, 12, 0.85), rgba(13, 12, 12, 0));
  backdrop-filter: blur(2px);
}
.frame a { pointer-events: auto; }
.frame__title {
  font-size: 0.95rem;
  font-weight: 600;
  text-align: left;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  letter-spacing: 0.02em;
}
.frame__links {
  display: flex;
  gap: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.mono-mark {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  padding: 0.18rem 0.34rem;
  color: var(--color-text);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  position: relative;
}
.hero::after {                         /* subtle grid backdrop */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 45%, #000 0%, transparent 72%);
  opacity: 0.5;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 900px;
  width: 100%;
}
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.hero__photo {
  position: relative;
  width: clamp(140px, 20vw, 220px);
  aspect-ratio: 4 / 5;
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: linear-gradient(150deg, var(--myoverse-b), #0d0c0c 70%);
  display: grid;
  place-items: center;
}
.hero__photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero__mono {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  letter-spacing: 0.14em;
  color: rgba(244, 243, 241, 0.35);
}
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--myoverse-a);
  margin: 0 0 0.6rem;
}
.hero__name {
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 0.98;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}
.hero__tagline {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.32;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  max-width: 20ch;
  margin: 0 0 2.4rem;
}
.hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.4rem 2rem;
  margin: 0 0 2rem;
}
.hero__facts .fact { margin: 0; }
.hero__facts dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}
.hero__facts dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.5;
}
.hero__facts dd a { border-bottom: 1px solid var(--color-line); }
.hero__facts dd a:hover { color: var(--myoverse-a); }
.muted { color: var(--color-muted); }

.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

@media (max-width: 720px) {
  .hero__inner { grid-template-columns: 1fr; text-align: left; }
  .frame__links a:not(:last-child) { display: none; }
}

/* ============================================================
   SCENE TITLES + HINTS
   ============================================================ */
/* Scene height controls both how close consecutive groups sit (the gap ≈
   scene height − the ring's on-screen height) and the rotation scroll distance.
   ~60vh keeps groups close while the ring still reads fully; tune to taste. */
.scene { height: 100vh; }

.scene__title {
  /* Full-bleed hitbox: the whole vertical segment the scene occupies is
     clickable (the click handler is bound to .scene__title). The visible
     title stays centered via flex. */
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  text-align: center;
  color: #fff;                        /* solid white grouping label */
}
.scene__title a {
  cursor: pointer;
}
.scene__title a { color: #fff; }
/* Carousel description: centered and spread out, sitting below the ring. */
.scene__hint {
  position: absolute;
  bottom: 8vh;
  left: 0;
  right: 0;
  text-align: center;
  padding: 0 1.5rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  line-height: 1.6;
  color: rgba(244, 243, 241, 0.88);
  pointer-events: none;
  margin: 0;
  z-index: 5;
}
.scene__hint .nocaps { text-transform: none; }
@media (max-width: 640px) {
  .scene__hint { bottom: 6vh; font-size: 0.82rem; letter-spacing: 0.16em; }
}

/* ============================================================
   CAROUSEL CARDS  (override base .card__face background)
   ============================================================ */
.card {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
}
.card__face {
  background-image: none;             /* base.css set var(--img) */
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.card__face--front {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.8rem 1.6rem;
}
.card__face--front::after {           /* soft top sheen */
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 20% 0%, rgba(255,255,255,0.18), transparent 55%);
  pointer-events: none;
}
.card__kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.75);
}
.card__title {
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.08;
  margin: auto 0 0.35rem;
  text-transform: none;
}
.card__sub {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 0 0.9rem;
}
.card__tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.card__tag--live   { background: rgba(31, 157, 132, 0.9); border-color: transparent; color: #04140f; }
.card__tag--award  { background: #e9c46a; border-color: transparent; color: #221803; }
.card__tag--soon   { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); }
.card__tag--wip    { background: rgba(255,255,255,0.12); color: rgba(255,255,255,0.75); }

.card__face--back {
  display: grid;
  place-items: center;
  background: #0d0c0c;
}
.card__face--back span {
  font-family: var(--font-mono);
  font-size: 3rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.14);
}

/* per-theme front gradients (cards + preview items) */
[data-theme="myoverse"] .card__face--front,
[data-theme="myoverse"] .grid__item-image { background: linear-gradient(150deg, var(--myoverse-a), var(--myoverse-b)); }
[data-theme="medical"] .card__face--front,
[data-theme="medical"] .grid__item-image { background: linear-gradient(150deg, var(--medical-a), var(--medical-b)); }
[data-theme="foundational"] .card__face--front,
[data-theme="foundational"] .grid__item-image { background: linear-gradient(150deg, var(--foundational-a), var(--foundational-b)); }
[data-theme="aiapps"] .card__face--front,
[data-theme="aiapps"] .grid__item-image { background: linear-gradient(150deg, var(--aiapps-a), var(--aiapps-b)); }

/* ---------- cells centered on the ring origin ----------
   The engine places cells with rotateY()+translateZ() about their own centre,
   so each cell is centred on the carousel origin via left/top:50% + a
   half-size negative margin. Uniform (text) cards use the default 350×420;
   object cards override width/height/margin inline to fit their media. */
.carousel__cell {
  left: 50%;
  top: 50%;
  margin: -210px 0 0 -175px;   /* half of 420 × 350 */
  will-change: transform;
}
/* keep card text above the front-face sheen */
.card__face--front > * { position: relative; z-index: 1; }

/* ---------- object cards: a free-floating object that spins in the ring ----------
   No card surface — just the media object, sized to its own aspect ratio (set
   inline on the cell). Double-sided like the Codrops reference this site is
   built on (https://tympanus.net/Development/3DCarousel/); the back face repeats
   the media, un-mirrored. All copy lives behind the click (the preview). */
.card--object { box-shadow: none; background: transparent; overflow: visible; }
.card--object .card__face--object {
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
}
.card--object .card__face--front::after { content: none; } /* drop the sheen */
.card__object {
  width: 100%;
  height: 100%;
  object-fit: cover;                 /* cell aspect matches the media, so no crop */
  border-radius: 0;
  filter: drop-shadow(0 16px 34px rgba(0, 0, 0, 0.5));
}
.card--object .card__face--back .card__object { transform: scaleX(-1); } /* un-mirror */

/* small status badge overlaid on an object card (e.g. "Work in progress") */
.card__badge {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(20, 19, 21, 0.62);
  color: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(4px);
  pointer-events: none;
}

/* ============================================================
   PREVIEW (detail bloom)  — override base grid
   ============================================================ */
.preview {
  padding: 5rem clamp(1.2rem, 6vw, 6rem) 3rem;
  align-content: start;
  overflow-y: auto;
  grid-row-gap: 0.5rem;
}
.preview__header {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}
.preview__title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.preview__close {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.preview__lede {
  /* The header is capped at max-width:1100px and centered. Align the lede's
     left edge to that same 1100px frame (override the grid's justify-items:
     center), then cap the line length for readability as it extends right. */
  justify-self: start;
  width: 100%;
  max-width: min(760px, 100%);
  margin: 0.4rem 0 1.4rem;
  margin-left: max(0px, (100% - 1100px) / 2);
  color: rgba(244, 243, 241, 0.8);
  font-size: 1rem;
  line-height: 1.55;
  text-align: left;
}

/* Bento-style masonry: media tiles of different heights pack into columns with
   no ragged gaps, while keeping each object's full crop and its caption. */
.grid {
  display: block;
  column-count: 3;
  column-gap: 1.4rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  perspective: 1200px;
}
@media (max-width: 900px) { .grid { column-count: 2; } }
@media (max-width: 600px) { .grid { column-count: 1; } }
.grid__item {
  display: block;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  margin: 0 0 1.4rem;
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  padding: 0;
  gap: 0;
  overflow: hidden;
  text-align: left;
}
.grid__item-image {
  aspect-ratio: auto;
  height: 84px;
  display: flex;
  align-items: flex-end;
  padding: 0.7rem 0.9rem;
  transition: none;
}
.grid__item:hover .grid__item-image { opacity: 1; }
.grid__item-image { position: relative; }
/* media thumbnails show the full image at its natural aspect — the same crop
   the object has in the carousel (no letterboxed fixed-height strip). */
.grid__item-image.grid__item-image--media {
  height: auto;
  padding: 0;
  display: block;
  background: #0d0c0c;
}
.gi__img {
  display: block;
  width: 100%;
  height: auto;
}
.grid__item-image--media .gi__mono {
  position: absolute;
  top: 0.55rem;
  left: 0.8rem;
}
.gi__mono {
  display: none;            /* numbering removed from the clicked-in bento */
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: 0.1em;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}
.grid__item-caption {
  padding: 1rem 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.grid__item-caption h3 {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.2;
  text-transform: none;
}
.gi__meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin: 0;
}
.gi__desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(244, 243, 241, 0.82);
  margin: 0;
  text-transform: none;
}
.gi__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.2rem;
}
.gi__tech span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.22rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  color: rgba(244, 243, 241, 0.75);
}
.gi__link {
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  align-self: flex-start;
}
.gi__link:not(.gi__link--private):not(.gi__link--soon) {
  color: #7fd8c4;
  border-bottom: 1px solid rgba(127, 216, 196, 0.5);
}
.gi__link--private, .gi__link--soon, .gi__link--wip { color: var(--color-muted); cursor: default; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding: 3rem clamp(1.2rem, 5vw, 4rem);
  border-top: 1px solid var(--color-line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}
.footer__links { display: flex; gap: 1.1rem; margin-left: auto; }