/* ==========================================================================
   VEMA Engineering — components
   Order: boot · header · nav · hero · marquee · capabilities · sectors ·
          explorer · process · quality · retrofit · gallery · lightbox ·
          configurator · contact · footer · floats
   ========================================================================== */

/* ==========================================================================
   1. Boot sequence — the page energising
   ========================================================================== */

.boot {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  background: var(--navy-900);
  transition: opacity 320ms var(--ease-inout), visibility 320ms;
}
html.booted .boot { opacity: 0; visibility: hidden; pointer-events: none; }

.boot__mark { inline-size: min(220px, 46vw); }
.boot__mark .trace {
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
  animation: draw 520ms var(--ease-out) forwards;
}
.boot__mark .bolt { opacity: 0; animation: flash 420ms var(--ease-out) 380ms forwards; }
.boot__mark .word { opacity: 0; animation: fadein 300ms var(--ease-out) 300ms forwards; }
.boot__mark .dish { opacity: 0; animation: fadein 380ms var(--ease-out) 120ms forwards; }

@keyframes draw  { to { stroke-dashoffset: 0; } }
@keyframes fadein{ to { opacity: 1; } }
@keyframes flash {
  0%   { opacity: 0; filter: brightness(3); }
  40%  { opacity: 1; filter: brightness(2.4); }
  100% { opacity: 1; filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  .boot { display: none; }
}

/* ==========================================================================
   2. Header
   ========================================================================== */

.hdr {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  block-size: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(1.4);
          backdrop-filter: blur(14px) saturate(1.4);
  border-block-end: 1px solid var(--border);
  transition: transform var(--t-mid) var(--ease-inout),
              background-color var(--t-mid) var(--ease-inout);
}
.hdr.is-hidden { transform: translateY(-100%); }
.hdr.is-top { background: transparent; border-block-end-color: transparent; }

.hdr__inner {
  inline-size: min(100% - (var(--gutter) * 2), var(--wrap));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--sp-5);
}

.hdr__progress {
  position: absolute;
  inset-block-end: -1px;
  inset-inline-start: 0;
  block-size: 2px;
  inline-size: 100%;
  transform: scaleX(var(--progress, 0));
  transform-origin: inline-start;
  background: linear-gradient(90deg, var(--bolt-500), var(--bolt-300));
  will-change: transform;
}
[dir="rtl"] .hdr__progress { transform-origin: right; }

/* --- Logo --- */
.logo { display: flex; align-items: center; gap: var(--sp-3); flex: none; }
.logo svg { block-size: 34px; inline-size: auto; }
.logo__text { display: none; }
@media (min-width: 480px) {
  .logo__text { display: block; line-height: 1.1; }
  .logo__text b {
    display: block;
    font-family: var(--font-display);
    font-size: var(--fs-sm);
    font-weight: 700;
    letter-spacing: 0.02em;
  }
  .logo__text span {
    display: block;
    font-size: 0.625rem;
    color: var(--text-faint);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
  }
}
html[lang="ar"] .logo__text span { text-transform: none; letter-spacing: 0; }

/* --- Desktop nav --- */
.nav { display: none; margin-inline-start: auto; }
@media (min-width: 1024px) { .nav { display: flex; align-items: center; gap: var(--sp-5); } }

.nav a {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-muted);
  padding-block: var(--sp-2);
  transition: color var(--t-fast) var(--ease-inout);
}
.nav a::after {
  content: "";
  position: absolute;
  inset-block-end: 0;
  inset-inline-start: 0;
  block-size: 2px;
  inline-size: 100%;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: inline-start;
  transition: transform var(--t-fast) var(--ease-out);
}
.nav a:hover { color: var(--text); }
.nav a:hover::after, .nav a[aria-current="true"]::after { transform: scaleX(1); }
.nav a[aria-current="true"] { color: var(--text); }

/* --- Header controls --- */
.hdr__tools { display: flex; align-items: center; gap: var(--sp-2); margin-inline-start: auto; }
@media (min-width: 1024px) { .hdr__tools { margin-inline-start: 0; } }

.iconbtn {
  display: grid;
  place-items: center;
  inline-size: 40px;
  block-size: 40px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-muted);
  transition: color var(--t-fast) var(--ease-inout),
              border-color var(--t-fast) var(--ease-inout),
              background-color var(--t-fast) var(--ease-inout);
}
.iconbtn:hover { color: var(--accent); border-color: var(--accent); background: var(--accent-quiet); }
.iconbtn svg { inline-size: 18px; block-size: 18px; }

/* The theme button shows the theme you are about to switch TO. */
[data-theme="dark"]  .ico-moon { display: none; }
[data-theme="light"] .ico-sun  { display: none; }

/* Language toggle behaves like a breaker throw, not a soft slide. */
.langbtn {
  inline-size: auto;
  padding-inline: var(--sp-3);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
}
.langbtn.is-throwing { animation: throw 180ms var(--ease-inout); }
@keyframes throw {
  0%   { transform: translateY(0); }
  45%  { transform: translateY(3px); background: var(--accent-quiet); border-color: var(--accent); }
  100% { transform: translateY(0); }
}

.hdr__cta { display: none; }
@media (min-width: 768px) { .hdr__cta { display: inline-flex; padding-block: 0.6em; min-block-size: 40px; } }

.burger { display: grid; }
@media (min-width: 1024px) { .burger { display: none; } }
.burger span {
  display: block;
  inline-size: 18px;
  block-size: 2px;
  background: currentColor;
  transition: transform var(--t-fast) var(--ease-inout), opacity var(--t-fast);
}
.burger span + span { margin-block-start: 4px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- Mobile menu --- */
.menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  display: grid;
  align-content: center;
  gap: var(--sp-4);
  padding: var(--gutter);
  padding-block-start: calc(var(--header-h) + var(--sp-6));
  background: var(--bg);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease-inout), visibility 0s linear var(--t-mid);
}
.menu.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity var(--t-mid) var(--ease-inout), visibility 0s;
}
.menu a {
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--text);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
  transition-delay: var(--i, 0ms);
  border-block-end: 1px solid var(--border);
  padding-block-end: var(--sp-3);
}
.menu.is-open a { opacity: 1; transform: none; }
.menu .btn { margin-block-start: var(--sp-4); justify-self: start; }
body.menu-open { overflow: hidden; }

/* ==========================================================================
   3. Hero
   ========================================================================== */

.hero {
  position: relative;
  min-block-size: clamp(600px, 92svh, 940px);
  display: grid;
  align-items: end;
  padding-block-start: calc(var(--header-h) + var(--sp-8));
  padding-block-end: 0;
  overflow: hidden;
  background: var(--navy-900);
  isolation: isolate;
}

.hero__media { position: absolute; inset: 0; z-index: -2; }
.hero__media img {
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  object-position: 50% 42%;
  filter: var(--photo-filter);
  animation: kenburns calc(38s / max(var(--ambient), 0.001)) var(--ease-inout) infinite alternate;
}
@keyframes kenburns {
  from { transform: scale(1.04) translate3d(0, 0, 0); }
  to   { transform: scale(1.14) translate3d(-1.5%, -2%, 0); }
}
.hero__scrim { position: absolute; inset: 0; z-index: -1; background: var(--scrim); }

/* Circuit traces with a pulse of current running along them. */
.hero__circuit {
  position: absolute;
  inset: 0;
  z-index: -1;
  inline-size: 100%;
  block-size: 100%;
  opacity: 0.5;
  pointer-events: none;
}
.hero__circuit path { fill: none; stroke: var(--bolt-500); stroke-width: 1; opacity: 0.22; }
.hero__circuit circle { fill: var(--bolt-500); opacity: 0.5; }
.hero__circuit .pulse {
  stroke: var(--bolt-300);
  stroke-width: 2;
  opacity: 0.9;
  stroke-dasharray: 60 900;
  stroke-dashoffset: 960;
  animation: current calc(6s / max(var(--ambient), 0.001)) linear infinite;
}
.hero__circuit .pulse--b { animation-delay: 2.4s; }
@keyframes current { to { stroke-dashoffset: -60; } }
html.is-idle .hero__circuit .pulse,
html.is-idle .hero__media img { animation-play-state: paused; }

.hero__inner { position: relative; padding-block-end: var(--sp-8); }
.hero h1 {
  font-size: var(--fs-hero);
  margin-block-start: var(--sp-4);
  max-inline-size: 14ch;
}
.hero .lede { max-inline-size: 54ch; margin-block-start: var(--sp-5); font-size: var(--fs-xl); }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-block-start: var(--sp-6); }

/* Choreographed load-in. */
.hero__inner > * { opacity: 0; transform: translateY(18px); }
html.booted .hero__inner > * { animation: rise 620ms var(--ease-out) forwards; }
html.booted .hero__inner > *:nth-child(1) { animation-delay: 60ms; }
html.booted .hero__inner > *:nth-child(2) { animation-delay: 150ms; }
html.booted .hero__inner > *:nth-child(3) { animation-delay: 240ms; }
html.booted .hero__inner > *:nth-child(4) { animation-delay: 330ms; }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .hero__inner > * { opacity: 1; transform: none; }
}

.status {
  position: absolute;
  inset-block-end: calc(var(--sp-8) + 58px);
  inset-inline-start: var(--gutter);
  display: none;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-label);
  color: var(--text-muted);
}
@media (min-width: 768px) { .status { display: flex; } }
.status i {
  inline-size: 8px; block-size: 8px;
  border-radius: var(--r-pill);
  background: #3FBF6A;
  box-shadow: 0 0 0 0 rgba(63, 191, 106, 0.6);
  animation: blip calc(2.4s / max(var(--ambient), 0.001)) var(--ease-out) infinite;
}
@keyframes blip {
  0%, 70%, 100% { box-shadow: 0 0 0 0 rgba(63, 191, 106, 0.5); }
  35%           { box-shadow: 0 0 0 7px rgba(63, 191, 106, 0); }
}

/* ==========================================================================
   4. Capability marquee
   ========================================================================== */

.marquee {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-block: 1px solid var(--border);
  background: color-mix(in srgb, var(--navy-900) 72%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  gap: var(--sp-5);
  padding-block: var(--sp-4);
  inline-size: max-content;
  animation: slide calc(34s / max(var(--ambient), 0.001)) linear infinite;
}
[dir="rtl"] .marquee__track { animation-direction: reverse; }
.marquee:hover .marquee__track,
html.is-idle .marquee__track { animation-play-state: paused; }
@keyframes slide { to { transform: translateX(-50%); } }
.marquee .plate { flex: none; }
@media (prefers-reduced-motion: reduce) {
  .marquee { -webkit-mask-image: none; mask-image: none; overflow-x: auto; }
  .marquee__track { animation: none; }
}

/* ==========================================================================
   5. Capabilities
   ========================================================================== */

.caps { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }

.card {
  position: relative;
  padding: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--t-mid) var(--ease-out),
              border-color var(--t-mid) var(--ease-inout),
              box-shadow var(--t-mid) var(--ease-out);
}
.card::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  block-size: 2px;
  inline-size: 100%;
  background: linear-gradient(90deg, var(--bolt-500), var(--copper));
  transform: scaleX(0);
  transform-origin: inline-start;
  transition: transform var(--t-mid) var(--ease-out);
}
.card:hover, .card:focus-within {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--bolt-500) 30%, var(--border));
  box-shadow: var(--shadow-2);
}
.card:hover::before, .card:focus-within::before { transform: scaleX(1); }

.card h3 { font-size: var(--fs-lg); margin-block: var(--sp-4) var(--sp-3); }
.card p { color: var(--text-muted); font-size: var(--fs-md); }

.card__icon { inline-size: 44px; block-size: 44px; color: var(--accent); }
.card__icon path, .card__icon line, .card__icon polyline, .card__icon rect, .card__icon circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}
.card__icon .fill { fill: currentColor; stroke: none; }
/* The schematic symbol draws itself in on hover. */
.card:hover .card__icon .draw {
  stroke-dasharray: 90;
  stroke-dashoffset: 90;
  animation: draw 620ms var(--ease-out) forwards;
}

/* ==========================================================================
   6. Sectors
   ========================================================================== */

.sectors { grid-template-columns: 1fr; gap: var(--sp-6); }
@media (min-width: 900px) { .sectors { grid-template-columns: 1fr 1fr; } }

.sector {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--t-mid) var(--ease-inout), box-shadow var(--t-mid) var(--ease-out);
}
.sector:hover { border-color: var(--border-strong); box-shadow: var(--shadow-2); }

.sector__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-sunken); }
.sector__media img {
  inline-size: 100%; block-size: 100%;
  object-fit: cover;
  filter: var(--photo-filter) saturate(0.55);
  transition: filter var(--t-slow) var(--ease-inout), transform var(--t-slow) var(--ease-out);
}
.sector:hover .sector__media img { filter: var(--photo-filter) saturate(1.05); transform: scale(1.03); }
.sector__media .plate {
  position: absolute;
  inset-block-start: var(--sp-4);
  inset-inline-start: var(--sp-4);
  filter: brightness(0.85);
  transition: filter var(--t-mid) var(--ease-inout);
}
.sector:hover .sector__media .plate { filter: brightness(1.12); }

.sector__body { padding: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-4); flex: 1; }
.sector__body h3 { font-size: var(--fs-xl); }
.sector__body p { color: var(--text-muted); }

.ticks { list-style: none; padding: 0; display: grid; gap: var(--sp-3); margin-block-start: auto; }
.ticks li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  padding-block-start: var(--sp-3);
  border-block-start: 1px solid var(--border);
}
.ticks li::before {
  content: "";
  flex: none;
  inline-size: 6px; block-size: 6px;
  margin-block-start: 0.55em;
  border-radius: 50%;
  background: var(--accent);
}

/* ==========================================================================
   7. Panel explorer
   ========================================================================== */

.explorer { display: grid; gap: var(--sp-6); align-items: start; }
@media (min-width: 900px) { .explorer { grid-template-columns: minmax(0, 1fr) minmax(280px, 380px); } }

.explorer__stage {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--bg-sunken);
  line-height: 0;
}
.explorer__stage img { inline-size: 100%; filter: var(--photo-filter); }

.hotspot {
  position: absolute;
  inset-block-start: var(--y);
  inset-inline-start: var(--x);
  inline-size: 30px;
  block-size: 30px;
  margin: -15px 0 0 -15px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--bolt-500);
  color: var(--navy-900);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 0 0 3px rgba(6, 9, 15, 0.55), var(--shadow-1);
  transition: transform var(--t-fast) var(--ease-out), background-color var(--t-fast);
}
/* margin-inline-start must flip in RTL, so re-state it logically. */
.hotspot { margin-inline-start: -15px; margin-inline-end: 0; }
.hotspot::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--bolt-500);
  opacity: 0;
  animation: ring calc(3s / max(var(--ambient), 0.001)) var(--ease-out) infinite;
  animation-delay: var(--ring-delay, 0ms);
  pointer-events: none;
}
@keyframes ring {
  0%   { opacity: 0.7; transform: scale(0.85); }
  70%  { opacity: 0; transform: scale(1.6); }
  100% { opacity: 0; transform: scale(1.6); }
}
.hotspot:hover { transform: scale(1.18); background: var(--bolt-300); }
.hotspot[aria-pressed="true"] { background: #fff; transform: scale(1.18); }
html.is-idle .hotspot::after { animation-play-state: paused; }

.explorer__detail {
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  min-block-size: 190px;
}
.explorer__detail .num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--accent-text);
  letter-spacing: var(--tracking-label);
}
.explorer__detail h3 { font-size: var(--fs-lg); margin-block: var(--sp-2) var(--sp-3); }
.explorer__detail p { color: var(--text-muted); font-size: var(--fs-md); }
.explorer__detail.is-swapping { animation: swap 260ms var(--ease-out); }
@keyframes swap { from { opacity: 0; transform: translateY(8px); } }

.explorer__list { list-style: none; padding: 0; display: grid; gap: var(--sp-2); margin-block-start: var(--sp-5); }
.explorer__list button {
  inline-size: 100%;
  text-align: start;
  display: flex;
  gap: var(--sp-3);
  align-items: baseline;
  padding: var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: border-color var(--t-fast), color var(--t-fast), background-color var(--t-fast);
}
.explorer__list button:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-hover); }
.explorer__list button[aria-pressed="true"] { color: var(--text); border-color: var(--accent); background: var(--accent-quiet); }
.explorer__list b { font-family: var(--font-mono); color: var(--accent-text); flex: none; }
@media (min-width: 900px) { .explorer__list { display: none; } }

.explorer__hint { font-size: var(--fs-sm); color: var(--text-faint); margin-block-start: var(--sp-4); }
@media (max-width: 899px) { .hotspot { display: none; } .explorer__hint { display: none; } }

/* ==========================================================================
   8. Process
   ========================================================================== */

.process { position: relative; }
.process__line {
  position: absolute;
  inset-block-start: 22px;
  inset-inline: 6%;
  block-size: 2px;
  background: var(--border-strong);
  display: none;
}
@media (min-width: 860px) { .process__line { display: block; } }
.process__line span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--bolt-500), transparent);
  background-size: 45% 100%;
  background-repeat: no-repeat;
  background-position: -50% 0;
  opacity: 0;
}
.process.is-live .process__line span { opacity: 1; animation: energise 1600ms var(--ease-inout) forwards; }
[dir="rtl"] .process.is-live .process__line span { animation-name: energise-rtl; }
@keyframes energise     { from { background-position: -50% 0; } to { background-position: 150% 0; } }
@keyframes energise-rtl { from { background-position: 150% 0; } to { background-position: -50% 0; } }

.steps { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); position: relative; }
.step__node {
  inline-size: 44px; block-size: 44px;
  display: grid; place-items: center;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-faint);
  transition: border-color var(--t-mid) var(--ease-out),
              color var(--t-mid) var(--ease-out),
              box-shadow var(--t-mid) var(--ease-out);
}
.process.is-live .step.is-lit .step__node {
  border-color: var(--bolt-500);
  color: var(--bolt-500);
  box-shadow: 0 0 0 4px var(--accent-quiet);
}
.step h3 { font-size: var(--fs-lg); margin-block: var(--sp-4) var(--sp-2); }
.step p { color: var(--text-muted); font-size: var(--fs-md); }
.step { opacity: 0.5; transition: opacity var(--t-slow) var(--ease-out); }
.process.is-live .step.is-lit { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .step { opacity: 1; }
  .process__line span { display: none; }
}

/* ==========================================================================
   9. Quality band + danger label
   ========================================================================== */

.quality {
  background:
    linear-gradient(180deg, rgba(6, 9, 15, 0.94), rgba(6, 9, 15, 0.94)),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 34px),
    var(--navy-800);
  border-block: 1px solid var(--border);
}
.quality__grid { display: grid; gap: var(--sp-7); align-items: center; }
@media (min-width: 900px) { .quality__grid { grid-template-columns: 1.35fr 0.65fr; } }

.checks { list-style: none; padding: 0; display: grid; gap: 0; margin-block-start: var(--sp-5); }
.checks li {
  display: flex;
  gap: var(--sp-4);
  align-items: flex-start;
  padding-block: var(--sp-4);
  border-block-end: 1px solid var(--border);
  font-size: var(--fs-lg);
}
.checks li:first-child { border-block-start: 1px solid var(--border); }
.checks svg { flex: none; inline-size: 20px; block-size: 20px; color: var(--bolt-500); margin-block-start: 0.25em; }

/* A faithful recreation of the label VEMA screws onto every door. */
.danger {
  inline-size: min(280px, 100%);
  margin-inline: auto;
  background: #fff;
  border: 6px solid var(--safety-red);
  border-radius: var(--r-sm);
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-3);
  transform: rotate(-1.2deg);
}
.danger__head {
  background: var(--safety-red);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-xl);
  letter-spacing: var(--tracking-wide);
  padding-block: var(--sp-2);
}
.danger__body { padding: var(--sp-4) var(--sp-3) var(--sp-5); color: #111; }
.danger__body svg { inline-size: 74px; block-size: 66px; margin-inline: auto; }
.danger__body p {
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
  line-height: 1.3;
  margin-block-start: var(--sp-3);
  color: #111;
}
.danger__body .ar { font-family: 'IBM Plex Sans Arabic', sans-serif; direction: rtl; }

/* ==========================================================================
   10. Retrofit — before / after
   ========================================================================== */

.compare {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--bg-sunken);
  touch-action: pan-y;
  cursor: ew-resize;
  user-select: none;
}
.compare img { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; }
.compare__after { clip-path: inset(0 0 0 var(--split, 50%)); }
[dir="rtl"] .compare__after { clip-path: inset(0 var(--split, 50%) 0 0); }

.compare__handle {
  position: absolute;
  inset-block: 0;
  inset-inline-start: var(--split, 50%);
  inline-size: 2px;
  background: var(--bolt-500);
  transform: translateX(-1px);
}
[dir="rtl"] .compare__handle { inset-inline-start: auto; inset-inline-end: var(--split, 50%); }
.compare__handle::after {
  content: "";
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  inline-size: 40px; block-size: 40px;
  margin: -20px 0 0 -20px;
  border-radius: 50%;
  background: var(--bolt-500);
  box-shadow: var(--shadow-2);
}
.compare__grip {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  color: var(--navy-900);
  pointer-events: none;
}
.compare__tag {
  position: absolute;
  inset-block-start: var(--sp-4);
  z-index: 1;
}
.compare__tag--before { inset-inline-start: var(--sp-4); }
.compare__tag--after  { inset-inline-end: var(--sp-4); background: var(--navy-800); }

.retro { display: grid; gap: var(--sp-6); align-items: center; }
@media (min-width: 900px) { .retro { grid-template-columns: 1.1fr 0.9fr; } }

/* Text comparison — always present; also the fallback when photos are pending. */
.ba { display: grid; gap: var(--sp-4); }
@media (min-width: 560px) { .ba { grid-template-columns: 1fr 1fr; } }
.ba__col {
  padding: var(--sp-5);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  border-inline-start: 3px solid var(--tint, var(--border-strong));
  background: var(--surface);
}
.ba__col--before { --tint: var(--safety-red); }
.ba__col--after  { --tint: #3FBF6A; }
.ba__col p { color: var(--text-muted); font-size: var(--fs-md); margin-block-start: var(--sp-3); }

/* ==========================================================================
   11. Gallery
   ========================================================================== */

.filters { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-block-end: var(--sp-6); }
.filters button {
  display: inline-flex;
  align-items: center;
  min-block-size: 40px;        /* comfortable thumb target on a phone */
  padding: 0.45em 0.95em;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}
html[lang="ar"] .filters button { text-transform: none; }
.filters button:hover { color: var(--text); border-color: var(--border-strong); }
.filters button[aria-pressed="true"] {
  background: var(--safety-red);
  border-color: var(--safety-red);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.45);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: var(--sp-4);
}
.tile {
  position: relative;
  display: block;
  inline-size: 100%;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--bg-sunken);
  content-visibility: auto;
  contain-intrinsic-size: 320px 400px;
  transition: transform var(--t-mid) var(--ease-out),
              border-color var(--t-mid), box-shadow var(--t-mid) var(--ease-out);
}
.tile:hover, .tile:focus-visible {
  transform: translateY(-4px);
  border-color: color-mix(in srgb, var(--bolt-500) 34%, var(--border));
  box-shadow: var(--shadow-2);
}
.tile img {
  inline-size: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: var(--photo-filter);
  transition: transform var(--t-slow) var(--ease-out);
}
.tile:hover img { transform: scale(1.04); }
.tile__cap {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  padding: var(--sp-6) var(--sp-4) var(--sp-4);
  background: linear-gradient(180deg, transparent, rgba(6, 9, 15, 0.92));
  color: #EAEEF5;
  font-size: var(--fs-sm);
  line-height: 1.45;
  text-align: start;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--t-mid) var(--ease-out), transform var(--t-mid) var(--ease-out);
}
.tile:hover .tile__cap, .tile:focus-visible .tile__cap { opacity: 1; transform: none; }
@media (hover: none) { .tile__cap { opacity: 1; transform: none; } }

.tile__cat {
  position: absolute;
  inset-block-start: var(--sp-3);
  inset-inline-start: var(--sp-3);
  font-size: 0.625rem;
}
.gallery__empty { padding: var(--sp-7); text-align: center; color: var(--text-muted); }

/* ==========================================================================
   12. Lightbox
   ========================================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: rgba(4, 6, 10, 0.94);
  -webkit-backdrop-filter: blur(6px);
          backdrop-filter: blur(6px);
  visibility: hidden;
  opacity: 0;
  /* visibility flips instantly on open and only after the fade on close, so the
     dialog is focusable the moment it opens — never mid-transition. */
  transition: opacity var(--t-mid) var(--ease-inout), visibility 0s linear var(--t-mid);
}
.lightbox.is-open {
  visibility: visible;
  opacity: 1;
  transition: opacity var(--t-mid) var(--ease-inout), visibility 0s;
}
.lightbox img {
  max-block-size: min(78vh, 900px);
  max-inline-size: 100%;
  inline-size: auto;
  object-fit: contain;
  border-radius: var(--r-md);
  animation: pop var(--t-mid) var(--ease-out);
}
@keyframes pop { from { opacity: 0; transform: scale(0.97); } }
.lightbox__cap { color: #EAEEF5; text-align: center; max-inline-size: 62ch; font-size: var(--fs-sm); }
.lightbox__cap .plate { margin-block-end: var(--sp-3); }
.lightbox__close { position: absolute; inset-block-start: var(--sp-4); inset-inline-end: var(--sp-4); color: #EAEEF5; }
.lightbox__nav {
  position: absolute;
  inset-block-start: 50%;
  transform: translateY(-50%);
  color: #EAEEF5;
  background: rgba(16, 24, 39, 0.7);
}
.lightbox__nav--prev { inset-inline-start: var(--sp-4); }
.lightbox__nav--next { inset-inline-end: var(--sp-4); }
body.lb-open { overflow: hidden; }

/* ==========================================================================
   13. Quote configurator
   ========================================================================== */

.cfg {
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow: hidden;
}
.cfg__bar { display: flex; gap: 3px; padding: 3px; background: var(--bg-sunken); }
.cfg__bar i {
  flex: 1;
  block-size: 4px;
  background: var(--border-strong);
  transition: background-color var(--t-mid) var(--ease-inout);
}
.cfg__bar i.is-done { background: var(--bolt-500); }

.cfg__body { padding: var(--sp-6); }
.cfg__step { display: none; }
.cfg__step.is-active { display: block; animation: throwin 300ms var(--ease-out); }
@keyframes throwin { from { opacity: 0; transform: translateY(10px); } }
@media (prefers-reduced-motion: reduce) { .cfg__step.is-active { animation: none; } }

.cfg__meta { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--accent-text); letter-spacing: var(--tracking-label); }
.cfg__q { font-size: var(--fs-xl); margin-block: var(--sp-3) var(--sp-2); }
.cfg__hint { font-size: var(--fs-sm); color: var(--text-faint); }

.opts { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr)); gap: var(--sp-3); margin-block: var(--sp-5); }
.opt {
  position: relative;
  padding: var(--sp-4);
  text-align: start;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  color: var(--text);
  background: var(--bg-raised);
  transition: border-color var(--t-fast), background-color var(--t-fast), transform var(--t-fast) var(--ease-out);
}
.opt:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.opt[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-quiet);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.opt[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  inset-block-start: var(--sp-3);
  inset-inline-end: var(--sp-3);
  inline-size: 8px; block-size: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.opt.is-throwing { animation: throw 180ms var(--ease-inout); }

.cfg__nav { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }
.cfg__nav .btn--quiet { margin-inline-start: auto; }

.summary { display: grid; gap: var(--sp-3); margin-block: var(--sp-5); }
.summary div {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: space-between;
  padding-block: var(--sp-3);
  border-block-end: 1px dashed var(--border);
  font-size: var(--fs-sm);
}
.summary dt { color: var(--text-muted); }
.summary dd { margin: 0; font-weight: 600; text-align: end; }

.toast {
  position: fixed;
  inset-block-end: var(--sp-6);
  inset-inline-start: 50%;
  transform: translate(-50%, 20px);
  z-index: 210;
  padding: var(--sp-3) var(--sp-5);
  background: var(--navy-800);
  color: #EAEEF5;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  box-shadow: var(--shadow-3);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-mid), transform var(--t-mid) var(--ease-out), visibility 0s linear var(--t-mid);
}
.toast.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
  transition: opacity var(--t-mid), transform var(--t-mid) var(--ease-out), visibility 0s;
}

/* ==========================================================================
   14. Contact
   ========================================================================== */

.contact { display: grid; gap: var(--sp-7); align-items: start; }
@media (min-width: 900px) { .contact { grid-template-columns: 0.9fr 1.1fr; } }

.contact__list { list-style: none; padding: 0; display: grid; gap: var(--sp-1); }
.contact__list li { border-block-end: 1px solid var(--border); }
.contact__list a, .contact__list .row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-4);
  align-items: baseline;
  justify-content: space-between;
  padding-block: var(--sp-4);
  transition: color var(--t-fast);
}
.contact__list a:hover { color: var(--accent-text); }
.contact__list dt, .contact__list .k {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-faint);
}
html[lang="ar"] .contact__list .k { text-transform: none; letter-spacing: 0; }
.contact__list .v { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700; }

.form { display: grid; gap: var(--sp-4); }
.field { display: grid; gap: var(--sp-2); }
.field label { font-size: var(--fs-sm); font-weight: 600; }
.field input, .field textarea, .field select {
  inline-size: 100%;
  padding: 0.75em 0.9em;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: var(--fs-md);
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.field textarea { min-block-size: 130px; resize: vertical; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-quiet);
}
.field .err { font-size: var(--fs-sm); color: #E0575D; min-block-size: 1.2em; }
[data-theme="light"] .field .err { color: #A3161B; }
.field.is-invalid input, .field.is-invalid textarea { border-color: #E0575D; }
.form__row { display: grid; gap: var(--sp-4); }
@media (min-width: 560px) { .form__row { grid-template-columns: 1fr 1fr; } }

.map {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background:
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 28px),
    var(--bg-sunken);
  display: grid;
  place-items: center;
  gap: var(--sp-3);
  text-align: center;
  padding: var(--sp-5);
}
.map iframe { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; border: 0; }

/* ==========================================================================
   15. Footer
   ========================================================================== */

.foot { border-block-start: 1px solid var(--border); background: var(--bg-sunken); }
.foot__grid { display: grid; gap: var(--sp-6); padding-block: var(--sp-8) var(--sp-6); }
@media (min-width: 760px) { .foot__grid { grid-template-columns: 1.6fr 1fr 1fr; } }
.foot h4 {
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-faint);
  margin-block-end: var(--sp-4);
}
html[lang="ar"] .foot h4 { text-transform: none; letter-spacing: 0; }
.foot ul { list-style: none; padding: 0; display: grid; gap: var(--sp-3); font-size: var(--fs-sm); }
.foot a:hover { color: var(--accent-text); }
.foot__bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  align-items: center;
  justify-content: space-between;
  padding-block: var(--sp-5);
  border-block-start: 1px solid var(--border);
  font-size: var(--fs-xs);
  color: var(--text-faint);
}

/* ==========================================================================
   16. Floating controls + cursor glow
   ========================================================================== */

.float {
  position: fixed;
  inset-inline-end: var(--gutter);
  z-index: 90;
  display: grid;
  place-items: center;
  inline-size: 52px;
  block-size: 52px;
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-2);
  transition: transform var(--t-fast) var(--ease-out), opacity var(--t-mid), visibility var(--t-mid);
}
.float:hover { transform: translateY(-3px) scale(1.04); }

.float--wa {
  inset-block-end: var(--gutter);
  background: #25D366;
  color: #04240F;
}
.float--wa::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 2px solid #25D366;
  animation: ripple calc(3.2s / max(var(--ambient), 0.001)) var(--ease-out) infinite;
}
@keyframes ripple {
  0%   { opacity: 0.65; transform: scale(1); }
  70%  { opacity: 0; transform: scale(1.5); }
  100% { opacity: 0; transform: scale(1.5); }
}
html.is-idle .float--wa::before { animation-play-state: paused; }

.float--top {
  inset-block-end: calc(var(--gutter) + 62px);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-mid), visibility 0s linear var(--t-mid), transform var(--t-fast) var(--ease-out);
}
.float--top.is-shown {
  opacity: 1;
  visibility: visible;
  transition: opacity var(--t-mid), visibility 0s, transform var(--t-fast) var(--ease-out);
}
.float svg { inline-size: 22px; block-size: 22px; }

.glow {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  inline-size: 380px;
  block-size: 380px;
  margin: -190px 0 0 -190px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 194, 48, 0.10), transparent 62%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 400ms var(--ease-inout);
  will-change: transform;
}
html.pointer-fine .glow.is-on { opacity: 1; }
@media (prefers-reduced-motion: reduce), (hover: none) { .glow { display: none; } }
[data-theme="light"] .glow { display: none; }

/* ==========================================================================
   17. Sub-page (projects.html)
   ========================================================================== */

.pagehead {
  padding-block-start: calc(var(--header-h) + var(--sp-8));
  padding-block-end: var(--sp-6);
  border-block-end: 1px solid var(--border);
  background:
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 34px),
    var(--bg-sunken);
}
.crumb { display: inline-flex; align-items: center; gap: var(--sp-2); font-size: var(--fs-sm); color: var(--text-muted); }
.crumb:hover { color: var(--accent-text); }