/* ==========================================================================
   Tesla Digital Museum — main stylesheet
   Dark, cinematic, minimal. Logical properties throughout so the RTL layouts
   (Persian / Dari) come out correct without a separate stylesheet.
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --bg: #050505;
  --bg-2: #080b14;
  --navy: #0a1020;
  --navy-2: #0d1526;
  --line: rgba(120, 170, 255, 0.14);
  --line-strong: rgba(120, 170, 255, 0.3);
  --text: #e8edf6;
  --muted: #9aa8bf;
  --dim: #6c7a91;
  --blue: #2f7bff;
  --blue-soft: #6aa4ff;
  --cyan: #59e5ff;
  --glow: rgba(89, 229, 255, 0.35);
  --white: #ffffff;
  --warn: #ffb454;

  --font-latin: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-rtl: "Vazirmatn", "Noto Naskh Arabic", "IRANSans", "Segoe UI", Tahoma, sans-serif;
  --font: var(--font-latin);

  --maxw: 1200px;
  --radius: 14px;
  --radius-sm: 10px;
  --gap: clamp(1rem, 2vw, 1.75rem);
  --section-y: clamp(3.5rem, 8vw, 7rem);
  --header-h: 68px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}

[dir="rtl"] { --font: var(--font-rtl); }

/* 2. Reset ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: clamp(1rem, 0.97rem + 0.15vw, 1.075rem);
  line-height: 1.75;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
[dir="rtl"] body { line-height: 1.95; }
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font); line-height: 1.22; margin: 0 0 0.6em; font-weight: 650; letter-spacing: -0.01em; }
[dir="ltr"] h1, [dir="ltr"] h2 { font-family: var(--font-display); }
[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3 { letter-spacing: 0; line-height: 1.5; }
p { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-inline-start: 1.25em; }
li { margin-bottom: 0.45em; }
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--blue); color: #fff; }

/* 3. Layout helpers -------------------------------------------------------- */
.wrap { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.section { padding-block: var(--section-y); position: relative; }
.section--tight { padding-block: clamp(2.5rem, 5vw, 4rem); }
.section--alt { background: linear-gradient(180deg, transparent, var(--bg-2) 18%, var(--bg-2) 82%, transparent); }
.kicker {
  display: inline-flex; align-items: center; gap: 0.6em;
  font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 0.9rem; font-weight: 600;
}
[dir="rtl"] .kicker { letter-spacing: 0; text-transform: none; font-size: 0.85rem; }
.kicker::before { content: ""; width: 26px; height: 1px; background: var(--cyan); opacity: 0.7; }
.section-title { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.1rem); margin-bottom: 0.5rem; }
.lead { color: var(--muted); font-size: clamp(1.02rem, 0.99rem + 0.3vw, 1.2rem); max-width: 68ch; }
.muted { color: var(--muted); }
.small { font-size: 0.88rem; }
.center { text-align: center; }
.grid { display: grid; gap: var(--gap); }
.cols-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.cols-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.skip-link {
  position: absolute; inset-inline-start: 1rem; inset-block-start: -100px;
  background: var(--blue); color: #fff; padding: 0.7rem 1.1rem; border-radius: 0 0 8px 8px; z-index: 200;
  transition: inset-block-start 0.2s var(--ease);
}
.skip-link:focus { inset-block-start: 0; }

/* 4. Buttons --------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6em;
  padding: 0.85em 1.6em; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--btn-bg); color: var(--text); font-weight: 600; font-size: 0.97rem;
  text-decoration: none; position: relative; overflow: hidden;
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s, box-shadow 0.25s;
  will-change: transform;
}
.btn:hover { text-decoration: none; border-color: var(--cyan); box-shadow: 0 0 0 1px rgba(89, 229, 255, 0.25), 0 12px 34px rgba(47, 123, 255, 0.22); }
.btn--primary { background: linear-gradient(120deg, var(--blue), #1b4fd8); border-color: transparent; color: #fff; }
.btn--primary:hover { box-shadow: 0 14px 40px rgba(47, 123, 255, 0.45); }
.btn--ghost { background: rgba(255, 255, 255, 0.03); }
.btn--sm { padding: 0.55em 1.1em; font-size: 0.86rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* 5. Header / nav ---------------------------------------------------------- */
.site-header {
  position: sticky; inset-block-start: 0; z-index: 100;
  background: rgba(5, 5, 5, 0.72); backdrop-filter: blur(14px);
  border-block-end: 1px solid var(--line);
  transition: background 0.3s;
}
.site-header__inner { display: flex; align-items: center; gap: 1rem; min-height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 700; letter-spacing: 0.22em; font-size: 1.02rem; color: var(--white); text-decoration: none; }
[dir="rtl"] .logo { letter-spacing: 0.12em; }
.logo:hover { text-decoration: none; }
.logo svg { width: 26px; height: 26px; filter: drop-shadow(0 0 6px var(--glow)); }
.nav { margin-inline-start: auto; }
.nav__list { display: flex; align-items: center; gap: 0.15rem; list-style: none; margin: 0; padding: 0; }
.nav__link {
  display: block; padding: 0.55rem 0.7rem; border-radius: 8px; color: var(--muted);
  font-size: 0.9rem; font-weight: 550; text-decoration: none; white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.nav__link:hover, .nav__link:focus-visible { color: var(--white); background: rgba(255, 255, 255, 0.05); text-decoration: none; }
.nav__link[aria-current="page"] { color: var(--cyan); }
.header-tools { display: flex; align-items: center; gap: 0.4rem; margin-inline-start: 0.4rem; }
.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); color: var(--text);
  transition: border-color 0.2s, background 0.2s;
}
.icon-btn:hover { border-color: var(--line-strong); background: rgba(255, 255, 255, 0.08); }
.icon-btn svg { width: 18px; height: 18px; }

/* language switcher */
.lang { position: relative; }
.lang__btn { display: inline-flex; align-items: center; gap: 0.45rem; height: 40px; padding-inline: 0.85rem; border-radius: 10px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--line); font-size: 0.88rem; font-weight: 600; }
.lang__btn:hover { border-color: var(--line-strong); }
.lang__menu {
  position: absolute; inset-block-start: calc(100% + 8px); inset-inline-end: 0; min-width: 180px;
  background: var(--navy); border: 1px solid var(--line-strong); border-radius: 12px; padding: 0.35rem;
  box-shadow: var(--shadow); list-style: none; margin: 0; z-index: 120;
}
.lang__menu[hidden] { display: none; }
.lang__option { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.6rem 0.75rem; border: 0; background: transparent; border-radius: 8px; font-size: 0.92rem; text-align: start; }
.lang__option:hover { background: rgba(255, 255, 255, 0.07); }
.lang__option[aria-selected="true"] { color: var(--cyan); }

/* search */
.search { position: relative; }
.search__panel {
  position: fixed; inset-block-start: var(--header-h); inset-inline: 0; z-index: 115;
  background: rgba(6, 9, 18, 0.97); backdrop-filter: blur(16px);
  border-block-end: 1px solid var(--line-strong); padding: 1.25rem 0 1.6rem;
}
.search__panel[hidden] { display: none; }
.search__field { display: flex; align-items: center; gap: 0.75rem; border: 1px solid var(--line-strong); border-radius: 12px; padding: 0.65rem 1rem; background: rgba(255, 255, 255, 0.04); }
.search__field input { flex: 1; background: transparent; border: 0; color: var(--text); font: inherit; font-size: 1.05rem; padding: 0.25rem 0; min-width: 0; }
.search__field input:focus { outline: none; }
.search__results { list-style: none; margin: 1rem 0 0; padding: 0; max-height: min(52vh, 460px); overflow-y: auto; }
.search__results li { margin: 0; }
.search__results a { display: block; padding: 0.8rem 0.9rem; border-radius: 10px; color: var(--text); text-decoration: none; border: 1px solid transparent; }
.search__results a:hover, .search__results a:focus-visible { background: rgba(255, 255, 255, 0.05); border-color: var(--line); text-decoration: none; }
.search__results .r-title { font-weight: 600; }
.search__results .r-meta { font-size: 0.8rem; color: var(--cyan); }
.search__results .r-snip { font-size: 0.9rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.search__status { color: var(--muted); font-size: 0.9rem; margin-block-start: 0.9rem; }

/* mobile nav */
.nav-toggle { display: none; }
@media (max-width: 1080px) {
  .nav-toggle { display: inline-grid; }
  .nav {
    position: fixed; inset: var(--header-h) 0 0 0; background: rgba(5, 7, 14, 0.98); backdrop-filter: blur(18px);
    padding: 1.5rem; overflow-y: auto; transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease); margin: 0;
  }
  .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0.2rem; }
  .nav__link { padding: 0.95rem 0.8rem; font-size: 1.05rem; border-block-end: 1px solid var(--line); border-radius: 0; }
}

/* 6. Hero ------------------------------------------------------------------ */
.hero { position: relative; min-height: min(94vh, 900px); display: grid; align-items: center; overflow: hidden; padding-block: clamp(4rem, 10vh, 8rem); }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.85; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at 50% 45%, rgba(47, 123, 255, 0.16), transparent 62%), linear-gradient(180deg, transparent 55%, var(--bg));
}
.hero__inner { position: relative; z-index: 2; display: grid; gap: clamp(2rem, 4vw, 3.5rem); grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); align-items: center; }
@media (max-width: 900px) { .hero__inner { grid-template-columns: 1fr; } .hero__figure { order: -1; max-width: 380px; margin-inline: auto; } }
.hero__name { font-size: clamp(2.6rem, 1.2rem + 7vw, 6.2rem); letter-spacing: 0.06em; margin: 0 0 0.15em; line-height: 1; text-shadow: 0 0 46px rgba(89, 229, 255, 0.25); }
[dir="rtl"] .hero__name { letter-spacing: 0; }
.hero__tagline { font-size: clamp(1.1rem, 0.9rem + 1.2vw, 1.75rem); color: var(--cyan); font-weight: 600; margin: 0 0 1rem; }
.hero__intro { color: var(--muted); max-width: 52ch; font-size: clamp(1rem, 0.97rem + 0.3vw, 1.15rem); }
.hero__figure { position: relative; }
.hero__figure img { border-radius: 20px; border: 1px solid var(--line-strong); box-shadow: var(--shadow); }
.hero__scroll { position: absolute; inset-block-end: 1.5rem; inset-inline-start: 50%; transform: translateX(-50%); z-index: 3; color: var(--dim); font-size: 0.8rem; letter-spacing: 0.14em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
[dir="rtl"] .hero__scroll { text-transform: none; letter-spacing: 0; }
.hero__scroll span.line { display: block; width: 1px; height: 34px; background: linear-gradient(var(--cyan), transparent); animation: scrollPulse 2.2s var(--ease) infinite; }
@keyframes scrollPulse { 0%, 100% { opacity: 0.25; transform: scaleY(0.6); } 50% { opacity: 1; transform: scaleY(1); } }

/* stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.stat { background: var(--bg); padding: 1.6rem 1.2rem; text-align: center; }
.stat__value { font-family: var(--font-display); font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.6rem); font-weight: 700; color: var(--white); line-height: 1; }
[dir="rtl"] .stat__value { font-family: var(--font-rtl); }
.stat__label { color: var(--muted); font-size: 0.88rem; margin-block-start: 0.5rem; }

/* 7. Cards ----------------------------------------------------------------- */
.card {
  position: relative; background: linear-gradient(160deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem;
  transition: transform 0.35s var(--ease), border-color 0.3s, box-shadow 0.35s; overflow: hidden;
}
.card:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 18px 46px rgba(0, 0, 0, 0.5); }
.card h3 { margin-bottom: 0.4rem; font-size: 1.18rem; }
.card__year { font-size: 0.8rem; color: var(--cyan); letter-spacing: 0.1em; }
.card__media { margin: -1.5rem -1.5rem 1.2rem; border-block-end: 1px solid var(--line); background: var(--navy); }
.card__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.card p { color: var(--muted); font-size: 0.96rem; }
.card__note { border-block-start: 1px dashed var(--line); padding-block-start: 0.9rem; margin-block-start: 0.4rem; font-size: 0.9rem; color: var(--muted); }
.teaser-card { display: flex; flex-direction: column; gap: 0.4rem; }
.teaser-card .btn { align-self: flex-start; margin-block-start: auto; }

/* 8. Timeline -------------------------------------------------------------- */
.timeline { position: relative; display: grid; gap: 0; }
.timeline::before { content: ""; position: absolute; inset-block: 0; inset-inline-start: 14px; width: 2px; background: linear-gradient(var(--blue), rgba(47, 123, 255, 0.08)); }
.tl-item { position: relative; padding-inline-start: 3.2rem; padding-block: 0.55rem; }
.tl-item__btn { display: block; width: 100%; text-align: start; background: transparent; border: 1px solid transparent; border-radius: var(--radius-sm); padding: 0.9rem 1rem; transition: background 0.25s, border-color 0.25s, transform 0.25s var(--ease); }
.tl-item__btn:hover { background: rgba(255, 255, 255, 0.04); border-color: var(--line); }
.tl-item.is-active .tl-item__btn { background: rgba(47, 123, 255, 0.12); border-color: var(--line-strong); }
.tl-item__dot { position: absolute; inset-inline-start: 7px; inset-block-start: 1.55rem; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 2px solid var(--blue); transition: box-shadow 0.3s, background 0.3s; }
.tl-item.is-active .tl-item__dot { background: var(--cyan); box-shadow: 0 0 0 6px rgba(89, 229, 255, 0.16), 0 0 22px var(--glow); }
.tl-item__year { font-family: var(--font-display); font-size: 1.05rem; color: var(--cyan); font-weight: 700; }
[dir="rtl"] .tl-item__year { font-family: var(--font-rtl); }
.tl-item__title { font-weight: 600; }
.tl-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
@media (max-width: 900px) { .tl-layout { grid-template-columns: 1fr; } }
.tl-detail { position: sticky; inset-block-start: calc(var(--header-h) + 1.5rem); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; background: var(--navy-2); }
@media (max-width: 900px) { .tl-detail { position: static; } }
.tl-detail img { border-radius: 10px; border: 1px solid var(--line); margin-block-end: 1.1rem; width: 100%; }

/* 9. Tabs / toggles -------------------------------------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-block-end: 1.5rem; }
.tab {
  padding: 0.6em 1.15em; border-radius: 999px; border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03); color: var(--muted); font-size: 0.9rem; font-weight: 600;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.tab:hover { color: var(--text); border-color: var(--line-strong); }
.tab[aria-selected="true"], .tab.is-active { background: rgba(47, 123, 255, 0.18); border-color: var(--blue-soft); color: var(--white); }
.panel[hidden] { display: none; }

.duel { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: var(--gap); }
.duel__side { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent); }
.duel__side--ac { border-color: rgba(89, 229, 255, 0.35); box-shadow: inset 0 0 60px rgba(89, 229, 255, 0.05); }
.duel__side--dc { border-color: rgba(255, 180, 84, 0.3); box-shadow: inset 0 0 60px rgba(255, 180, 84, 0.05); }
.duel__key { font-family: var(--font-display); font-size: 2.4rem; font-weight: 700; line-height: 1; }
.duel__side--ac .duel__key { color: var(--cyan); }
.duel__side--dc .duel__key { color: var(--warn); }
.wave-box { border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(0, 0, 0, 0.35); margin-block: 1rem; }
.wave-box canvas { display: block; width: 100%; height: 110px; }

/* 10. Coil / lab ----------------------------------------------------------- */
.coil-stage { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: radial-gradient(ellipse at 50% 80%, rgba(47, 123, 255, 0.12), transparent 70%), var(--navy); overflow: hidden; }
.coil-stage canvas { display: block; width: 100%; height: clamp(320px, 46vh, 520px); }
.coil-controls { display: flex; flex-wrap: wrap; gap: 0.7rem; align-items: center; margin-block-start: 1rem; }
.lab { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: var(--gap); align-items: start; }
@media (max-width: 900px) { .lab { grid-template-columns: 1fr; } }
.lab__bench { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.8rem; }
.lab__item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: rgba(255, 255, 255, 0.03); padding: 0.9rem; text-align: center; transition: border-color 0.25s, transform 0.25s var(--ease), background 0.25s; }
.lab__item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 8px; margin-block-end: 0.6rem; }
.lab__item:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.lab__item.is-active { border-color: var(--cyan); background: rgba(89, 229, 255, 0.08); }
.lab__name { font-size: 0.92rem; font-weight: 600; }
.info-panel { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; background: var(--navy-2); min-height: 220px; }

/* 11. Simulators ----------------------------------------------------------- */
.sim { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; background: rgba(255, 255, 255, 0.025); }
.sim h3 { margin-bottom: 0.3rem; }
.sim__formula { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; background: rgba(0, 0, 0, 0.4); border: 1px solid var(--line); border-radius: 8px; padding: 0.6rem 0.85rem; color: var(--cyan); font-size: 0.98rem; direction: ltr; text-align: start; overflow-x: auto; }
.sim__control { margin-block: 0.9rem 0; }
.sim__control label { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.88rem; color: var(--muted); margin-block-end: 0.35rem; }
.sim__control output { color: var(--cyan); font-weight: 600; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--blue); height: 26px; background: transparent; }
.sim__result { margin-block-start: 1.1rem; padding-block-start: 0.9rem; border-block-start: 1px solid var(--line); font-size: 1.15rem; font-weight: 650; }
.sim__result span { color: var(--cyan); }
.sim canvas { width: 100%; height: 110px; display: block; margin-block-start: 0.9rem; border: 1px solid var(--line); border-radius: 8px; background: rgba(0, 0, 0, 0.35); }

/* 12. Map ------------------------------------------------------------------ */
.map { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr); gap: var(--gap); align-items: start; }
@media (max-width: 900px) { .map { grid-template-columns: 1fr; } }
.map__stage { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--navy); overflow: hidden; aspect-ratio: 16 / 9; }
.map__stage img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.map__pin {
  position: absolute; transform: translate(-50%, -50%); width: 20px; height: 20px; border-radius: 50%;
  background: var(--cyan); border: 0; box-shadow: 0 0 0 4px rgba(89, 229, 255, 0.18), 0 0 20px var(--glow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s; padding: 0;
}
.map__pin:hover, .map__pin.is-active { transform: translate(-50%, -50%) scale(1.35); box-shadow: 0 0 0 8px rgba(89, 229, 255, 0.22), 0 0 30px var(--glow); }
.map__pin span { position: absolute; inset-block-start: 130%; inset-inline-start: 50%; transform: translateX(-50%); white-space: nowrap; font-size: 0.75rem; color: var(--text); background: rgba(5, 8, 16, 0.8); padding: 0.15rem 0.45rem; border-radius: 6px; }

/* 13. Gallery + lightbox --------------------------------------------------- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr)); gap: 1rem; }
.gal-item { position: relative; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: var(--navy); padding: 0; display: block; text-align: start; }
.gal-item img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform 0.5s var(--ease), opacity 0.4s; }
.gal-item:hover img { transform: scale(1.06); }
.gal-item figcaption { padding: 0.8rem 0.9rem; font-size: 0.88rem; color: var(--muted); }
.gal-item[hidden] { display: none; }
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; background: rgba(2, 4, 8, 0.94); padding: clamp(1rem, 4vw, 3rem); }
.lightbox[hidden] { display: none; }
.lightbox__figure { max-width: min(1000px, 100%); max-height: 100%; overflow: auto; }
.lightbox__figure img { border-radius: 12px; border: 1px solid var(--line-strong); margin-inline: auto; max-height: 68vh; width: auto; object-fit: contain; }
.lightbox__meta { margin-block-start: 1rem; color: var(--muted); font-size: 0.92rem; }
.lightbox__meta strong { color: var(--text); }
.lightbox__close { position: absolute; inset-block-start: 1rem; inset-inline-end: 1rem; }
.lightbox__nav { position: absolute; inset-block-start: 50%; transform: translateY(-50%); }
.lightbox__nav--prev { inset-inline-start: 1rem; }
.lightbox__nav--next { inset-inline-end: 1rem; }

/* 14. Quotes --------------------------------------------------------------- */
.quote-carousel { position: relative; border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 3rem); background: radial-gradient(ellipse at 30% 0%, rgba(47, 123, 255, 0.12), transparent 60%), var(--navy-2); }
.quote-slide { display: none; }
.quote-slide.is-active { display: block; animation: fadeIn 0.5s var(--ease); }
.quote-slide blockquote { margin: 0; font-size: clamp(1.2rem, 1rem + 1.4vw, 1.9rem); line-height: 1.5; font-weight: 600; }
[dir="rtl"] .quote-slide blockquote { line-height: 1.8; }
.quote-slide cite { display: block; margin-block-start: 1.2rem; font-style: normal; color: var(--muted); font-size: 0.95rem; }
.quote-nav { display: flex; align-items: center; gap: 0.6rem; margin-block-start: 1.6rem; flex-wrap: wrap; }
.quote-dots { display: flex; gap: 0.4rem; margin-inline-start: auto; }
.quote-dot { width: 9px; height: 9px; border-radius: 50%; border: 0; padding: 0; background: rgba(255, 255, 255, 0.2); }
.quote-dot.is-active { background: var(--cyan); box-shadow: 0 0 10px var(--glow); }
.tag { display: inline-block; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.2em 0.7em; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--cyan); }
[dir="rtl"] .tag { text-transform: none; letter-spacing: 0; font-size: 0.78rem; }
.tag--soft { color: var(--warn); border-color: rgba(255, 180, 84, 0.4); }

/* 15. Myth vs fact --------------------------------------------------------- */
.myth { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.myth__q { display: flex; gap: 0.9rem; align-items: flex-start; width: 100%; text-align: start; padding: 1.15rem 1.3rem; background: rgba(255, 255, 255, 0.03); border: 0; font-weight: 600; }
.myth__q:hover { background: rgba(255, 255, 255, 0.06); }
.myth__q .tag { flex: none; margin-block-start: 0.15rem; }
.myth__a { padding: 0 1.3rem 1.3rem; color: var(--muted); border-block-start: 1px solid var(--line); }
.myth__a[hidden] { display: none; }
.myth__a p { margin-block-start: 1rem; }

/* 16. Sources -------------------------------------------------------------- */
.source-item { border-block-end: 1px solid var(--line); padding-block: 1.1rem; }
.source-item:last-child { border-block-end: 0; }
.source-item h4 { margin-bottom: 0.25rem; font-size: 1.02rem; }
.source-item .pub { color: var(--cyan); font-size: 0.85rem; }

/* 17. Footer --------------------------------------------------------------- */
.site-footer { border-block-start: 1px solid var(--line); background: linear-gradient(180deg, transparent, rgba(10, 16, 32, 0.7)); padding-block: clamp(2.5rem, 6vw, 4.5rem) 2rem; margin-block-start: 3rem; }
.site-footer h2 { font-size: 1.6rem; letter-spacing: 0.2em; }
[dir="rtl"] .site-footer h2 { letter-spacing: 0; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: var(--gap); }
.footer-grid h3 { font-size: 0.82rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--dim); }
[dir="rtl"] .footer-grid h3 { text-transform: none; letter-spacing: 0; font-size: 0.9rem; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--muted); font-size: 0.95rem; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { margin-block-start: 2.5rem; padding-block-start: 1.5rem; border-block-start: 1px solid var(--line); color: var(--dim); font-size: 0.85rem; }
.footer-bottom p { margin-bottom: 0.4rem; }

/* 18. Loading screen + easter egg ----------------------------------------- */
.loader { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; background: var(--bg); transition: opacity 0.5s var(--ease), visibility 0.5s; }
.loader.is-done { opacity: 0; visibility: hidden; }
.loader__mark { font-family: var(--font-display); font-size: clamp(1.6rem, 1rem + 3vw, 2.6rem); letter-spacing: 0.35em; color: rgba(255, 255, 255, 0.12); position: relative; }
.loader__mark span { position: absolute; inset: 0; color: var(--white); clip-path: inset(0 100% 0 0); animation: charge 1.1s var(--ease) forwards; text-shadow: 0 0 24px var(--glow); }
@keyframes charge { to { clip-path: inset(0 0 0 0); } }
.loader__bar { width: 200px; height: 2px; background: rgba(255, 255, 255, 0.1); margin-block-start: 1.4rem; overflow: hidden; }
.loader__bar i { display: block; height: 100%; width: 40%; background: linear-gradient(90deg, transparent, var(--cyan), transparent); animation: sweep 1.1s linear infinite; }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(350%); } }
.toast { position: fixed; inset-block-end: 1.5rem; inset-inline-start: 50%; transform: translateX(-50%) translateY(20px); background: var(--navy); border: 1px solid var(--cyan); color: var(--white); padding: 0.8rem 1.4rem; border-radius: 999px; z-index: 250; opacity: 0; transition: opacity 0.3s, transform 0.3s var(--ease); box-shadow: 0 0 30px var(--glow); }
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }
body.tesla-mode { --blue: #7a3bff; --cyan: #b18bff; --glow: rgba(177, 139, 255, 0.4); }
body.tesla-mode .hero__name { animation: flicker 3.5s infinite; }
@keyframes flicker { 0%, 96%, 100% { opacity: 1; } 97% { opacity: 0.55; } 98% { opacity: 1; } 99% { opacity: 0.7; } }

/* 19. Reveal animations ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.to-top { position: fixed; inset-block-end: 1.3rem; inset-inline-end: 1.3rem; z-index: 90; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
.to-top.is-visible { opacity: 1; pointer-events: auto; }

/* 20. Accessibility / motion / print -------------------------------------- */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero__canvas { display: none; }
}
@media (prefers-contrast: more) {
  :root { --muted: #c3cddc; --line: rgba(150, 190, 255, 0.35); }
}
@media print {
  .site-header, .site-footer, .hero__canvas, .to-top, .search__panel, .loader { display: none !important; }
  body { background: #fff; color: #000; }
  a { color: #00c; }
}