/* ==========================================================================
   Eport — public site theme (dark / technical)
   All colors are variables; --accent is set at runtime from site.accent.
   ========================================================================== */

:root {
  --bg: #0a0e14;
  --bg-2: #0e131b;
  --panel: #131a24;
  --panel-2: #18212e;
  --border: #222b38;
  --border-2: #2d3846;
  --text: #e6edf3;
  --muted: #93a1b1;
  --muted-2: #64707f;
  --accent: #2dd4bf;
  --accent-ink: #04110f;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #34d399;

  --maxw: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --radius: 14px;
  --radius-sm: 9px;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  --shadow: 0 12px 40px -12px rgba(0, 0, 0, 0.7);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background-image:
    radial-gradient(900px 500px at 80% -8%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    linear-gradient(var(--bg-2), var(--bg));
  background-attachment: fixed;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

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

::selection { background: color-mix(in srgb, var(--accent) 35%, transparent); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.mono { font-family: var(--font-mono); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.6rem;
}

/* ---- Nav ---------------------------------------------------------------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}
.nav-links { display: flex; gap: 1.4rem; font-size: 0.92rem; }
.nav-links a { color: var(--muted); transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }

/* ---- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.05rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-2);
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
  transition: transform 0.12s, border-color 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 55%, var(--border-2)); }
.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: transparent;
  font-weight: 600;
}
.btn-accent:hover { box-shadow: 0 8px 24px -8px var(--accent); }
.btn-ghost { background: transparent; }

/* ---- Hero / about ------------------------------------------------------- */

.hero { padding: clamp(48px, 9vw, 104px) 0 clamp(36px, 6vw, 64px); }
.hero-grid {
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: clamp(24px, 5vw, 48px);
  align-items: center;
}
.hero-avatar {
  width: 148px; height: 148px;
  border-radius: 22px;
  border: 1px solid var(--border-2);
  background: var(--panel);
  object-fit: cover;
  box-shadow: var(--shadow);
}
.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  line-height: 1.05;
  margin: 0.2rem 0 0.5rem;
  letter-spacing: -0.02em;
}
.hero .tagline {
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  color: var(--text);
  max-width: 46ch;
  margin: 0 0 1rem;
}
.hero .bio {
  color: var(--muted);
  max-width: 62ch;
  margin: 0 0 1.4rem;
}
.hero-links { display: flex; flex-wrap: wrap; gap: 0.7rem; }
.hero-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--muted-2);
  margin-top: 1rem;
  display: flex; gap: 1.2rem; flex-wrap: wrap;
}

/* ---- Section heading (page-level) --------------------------------------- */

.section { padding: clamp(28px, 5vw, 56px) 0; }
.section-head { margin-bottom: 1.8rem; }
.section-head h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin: 0;
  letter-spacing: -0.01em;
}
.section-head p { color: var(--muted); margin: 0.4rem 0 0; max-width: 60ch; }

/* ---- Project grid (interactive squares) --------------------------------- */

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: clamp(16px, 2.4vw, 24px);
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  --card-accent: var(--accent);
}
.card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px transparent;
  transition: box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--card-accent) 60%, var(--border));
  box-shadow: 0 20px 50px -20px color-mix(in srgb, var(--card-accent) 55%, black);
}
.card:hover::after { box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--card-accent) 50%, transparent); }
.card:focus-visible { outline: 2px solid var(--card-accent); outline-offset: 3px; }

.card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.card:hover .card-thumb img { transform: scale(1.05); }

.card-body { padding: 1.1rem 1.15rem 1.25rem; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.card-body h3 { margin: 0; font-size: 1.2rem; letter-spacing: -0.01em; }
.card-sub { color: var(--muted); font-size: 0.9rem; margin: 0; }
.card-desc { color: var(--muted); font-size: 0.92rem; margin: 0.2rem 0 0; }
.card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; padding-top: 0.7rem; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}
.card-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--card-accent);
  margin-top: 0.7rem;
  display: inline-flex; align-items: center; gap: 0.4rem;
}

/* ---- Project breakdown page --------------------------------------------- */

.back-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 0.4rem;
  margin: 1.6rem 0 0;
}
.back-link:hover { color: var(--accent); }

.project-hero { padding: 2rem 0 1rem; }
.project-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0.3rem 0 0.4rem;
  letter-spacing: -0.02em;
}
.project-hero .sub { color: var(--muted); font-size: 1.15rem; margin: 0 0 1rem; }
.project-hero .summary { max-width: 68ch; color: var(--text); }

.breakdown { padding-bottom: 5rem; }
.breakdown > * { margin-top: 1.4rem; }

/* Blocks --------------------------------------------------------- */

.block-section { margin-top: 3.4rem; }
.block-section:first-child { margin-top: 2rem; }
.block-section .sec-index {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.block-section h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0.3rem 0 0.5rem;
  letter-spacing: -0.01em;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--border);
}
.block-section .sec-intro { color: var(--muted); margin: 0.6rem 0 0; max-width: 66ch; }

.block-text { max-width: 70ch; color: var(--text); }
.block-text p { margin: 0 0 1rem; }
.block-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.block-text code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1rem 0.35rem;
}

figure.block-image { margin: 0; }
figure.block-image img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel);
}
figure.block-image figcaption,
.block-gallery figcaption {
  font-size: 0.85rem;
  color: var(--muted-2);
  margin-top: 0.5rem;
  text-align: center;
}

.block-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.block-gallery figure { margin: 0; }
.block-gallery img { width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); }

.block-video {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #000;
}
.block-video iframe, .block-video video { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.block-code {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0b0f16;
}
.code-bar {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 0.9rem;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.code-bar .dots { display: flex; gap: 0.35rem; }
.code-bar .dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-2); display: block; }
.block-code pre { margin: 0; padding: 1rem 1.1rem; overflow-x: auto; }
.block-code code { font-family: var(--font-mono); font-size: 0.86rem; line-height: 1.6; color: #cfe9e4; white-space: pre; }

.block-specs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 0.8rem;
}
.spec {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.95rem;
}
.spec .k { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted-2); }
.spec .v { font-size: 1.05rem; margin-top: 0.2rem; font-weight: 600; }

.block-steps { display: grid; gap: 0; max-width: 72ch; }
.step { position: relative; padding: 0 0 1.5rem 2.4rem; border-left: 2px solid var(--border); }
.step:last-child { border-left-color: transparent; padding-bottom: 0; }
.step::before {
  content: "";
  position: absolute; left: -8px; top: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}
.step h4 { margin: 0 0 0.3rem; font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.step p { margin: 0; color: var(--text); }

.block-callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  max-width: 74ch;
}
.block-callout.warn { border-left-color: var(--warn); background: color-mix(in srgb, var(--warn) 8%, var(--panel)); }
.block-callout.success { border-left-color: var(--ok); background: color-mix(in srgb, var(--ok) 8%, var(--panel)); }
.block-callout p { margin: 0; }

.block-links { display: flex; flex-wrap: wrap; gap: 0.7rem; }

/* ---- Footer ------------------------------------------------------------- */

.footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding: 2rem 0;
  color: var(--muted-2);
  font-size: 0.88rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center;
}
.footer a { color: var(--muted); }
.footer a:hover { color: var(--accent); }

/* ---- States ------------------------------------------------------------- */

.notice { color: var(--muted); padding: 3rem 0; text-align: center; }
.notice.error { color: var(--danger); }

/* ---- Breadcrumb --------------------------------------------------------- */

.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted-2);
  margin: 1.4rem 0 0.2rem;
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--muted-2); opacity: 0.6; }
.breadcrumb .current { color: var(--text); }

/* ---- Sub-page cards without a thumbnail --------------------------------- */

.card-thumb.empty {
  display: grid; place-items: center;
  background: linear-gradient(135deg, color-mix(in srgb, var(--card-accent) 22%, var(--bg-2)), var(--bg-2));
}
.card-thumb-label {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--text);
  padding: 1rem; text-align: center;
}

/* ---- Scrolling thumbnails (cards + hero) -------------------------------- */

.thumb-scroll, .thumb-wide { position: relative; width: 100%; overflow: hidden; background: var(--bg-2); }
.card-thumb .thumb-scroll, .card-thumb .thumb-wide { position: absolute; inset: 0; }

/* multi-image slideshow */
.thumb-scroll .ts-track { display: flex; height: 100%; width: 100%; transition: transform 0.6s ease; }
.thumb-scroll .ts-slide { flex: 0 0 100%; height: 100%; }
.thumb-scroll .ts-slide img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ts-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--border-2); background: color-mix(in srgb, var(--bg) 62%, transparent);
  backdrop-filter: blur(6px); color: var(--text); font-size: 1.2rem; line-height: 1;
  display: grid; place-items: center; cursor: pointer; opacity: 0; transition: opacity 0.15s; z-index: 2;
}
.thumb-scroll.interactive:hover .ts-arrow { opacity: 1; }
.ts-arrow.prev { left: 8px; }
.ts-arrow.next { right: 8px; }
.ts-dots { position: absolute; bottom: 8px; left: 0; right: 0; display: flex; gap: 6px; justify-content: center; z-index: 2; }
.ts-dot { width: 7px; height: 7px; border-radius: 50%; border: 0; padding: 0; background: rgba(255, 255, 255, 0.4); cursor: pointer; }
.ts-dot.active { background: #fff; }

/* wide panorama */
.thumb-wide { overflow-x: hidden; }
.thumb-wide.interactive { overflow-x: auto; cursor: grab; scrollbar-width: none; }
.thumb-wide.interactive.grabbing { cursor: grabbing; }
.thumb-wide::-webkit-scrollbar { display: none; }
.thumb-wide img.tw-img { height: 100%; width: auto; max-width: none; display: block; }

/* hero frames for the two scroller modes */
.block-image .thumb-scroll { aspect-ratio: 16 / 9; border: 1px solid var(--border); border-radius: var(--radius); }
.block-image .thumb-wide { height: clamp(180px, 34vw, 340px); border: 1px solid var(--border); border-radius: var(--radius); }
.block-image .thumb-scroll img, .block-image .thumb-wide img { border: 0; border-radius: 0; background: none; }

/* keep the card hover-zoom from fighting the scrollers */
.card:hover .card-thumb .thumb-scroll img, .card:hover .card-thumb .thumb-wide img { transform: none; }

/* ---- Gallery carousel --------------------------------------------------- */

.carousel { position: relative; }
.carousel-track {
  display: flex; gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 0.6rem;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.carousel-track::-webkit-scrollbar { height: 8px; }
.carousel-track::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 4px; }
.carousel-slide { flex: 0 0 82%; scroll-snap-align: center; margin: 0; }
.carousel-slide img { width: 100%; border-radius: var(--radius); border: 1px solid var(--border); background: var(--panel); }
.carousel-slide figcaption { text-align: center; color: var(--muted-2); font-size: 0.85rem; margin-top: 0.5rem; }
.carousel-btn {
  position: absolute; top: 42%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border-2);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(6px);
  color: var(--text); font-size: 1.5rem; line-height: 1;
  cursor: pointer; display: grid; place-items: center;
  transition: border-color 0.15s, color 0.15s;
}
.carousel-btn:hover { border-color: var(--accent); color: var(--accent); }
.carousel-btn.prev { left: -8px; }
.carousel-btn.next { right: -8px; }

/* ---- Responsive --------------------------------------------------------- */

@media (max-width: 640px) {
  .hero-grid { grid-template-columns: 1fr; text-align: left; }
  .hero-avatar { width: 96px; height: 96px; }
  .nav-links { display: none; }
  .carousel-slide { flex-basis: 88%; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
  .card:hover { transform: none; }
}