/* TAMCO — site styles (dark, interactive) */
:root {
  --bg: #06080c;
  --panel: #0d1118;
  --panel-2: #131822;
  --line: rgba(255, 255, 255, .09);
  --line-strong: rgba(255, 255, 255, .18);
  --text: #eef1f5;
  --muted: #8f9aab;
  --red: #e1251b;
  --red-deep: #c21d14;
  --silver: linear-gradient(180deg, #ffffff 0%, #c3cad4 55%, #7d8794 100%);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
  --radius: 6px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
html[lang="ar"] {
  --display: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
  --body: "IBM Plex Sans Arabic", "Segoe UI", Tahoma, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--body); font-size: 17px; line-height: 1.6;
  color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
svg, img { display: block; }
.container { width: 100%; max-width: 1280px; margin-inline: auto; padding-inline: 24px; }
::selection { background: var(--red); color: #fff; }

.progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; background: var(--red); transform-origin: 0 50%; transform: scaleX(0); }
html[dir="rtl"] .progress { transform-origin: 100% 50%; }

/* ---------- Type ---------- */
h1, h2 { font-family: var(--display); font-weight: 700; text-transform: uppercase; line-height: .96; text-wrap: balance; }
h1 { font-size: clamp(52px, 7vw, 112px); }
h2 { font-size: clamp(38px, 4.8vw, 68px); background: var(--silver); -webkit-background-clip: text; background-clip: text; color: transparent; }
h3 { font-size: 20px; font-weight: 600; line-height: 1.25; }
html[lang="ar"] h1, html[lang="ar"] h2 { line-height: 1.3; }
html[lang="ar"] h1 { font-size: clamp(40px, 5.2vw, 80px); }
html[lang="ar"] h2 { font-size: clamp(30px, 3.6vw, 50px); padding-bottom: .1em; }

.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font: 500 12.5px/1.4 var(--mono); letter-spacing: .16em; text-transform: uppercase;
  color: var(--red); margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--red); flex: none; }
html[lang="ar"] .eyebrow { font: 600 15px/1.4 var(--body); letter-spacing: 0; }
.lead { font-size: clamp(17px, 1.45vw, 20px); color: var(--muted); max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 54px; padding: 0 30px; font: 600 16px/1 var(--body);
  border: 1px solid transparent; border-radius: var(--radius); cursor: pointer;
  transition: transform .3s var(--ease), border-color .3s, box-shadow .3s;
}
.btn-sm { min-height: 44px; padding: 0 20px; font-size: 15px; }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 10px 30px -10px rgba(225, 37, 27, .7); }
.btn-primary::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .35) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .7s var(--ease);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(225, 37, 27, .85); }
.btn-primary:hover::before { transform: translateX(120%); }
.btn-ghost { border-color: var(--line-strong); color: #fff; background: rgba(255, 255, 255, .03); }
.btn-ghost:hover { border-color: #fff; transform: translateY(-2px); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* ---------- Cursor glow on cards ---------- */
.glow { position: relative; }
.glow::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(225, 37, 27, .16), transparent 65%);
  opacity: 0; transition: opacity .35s;
}
.glow:hover::after { opacity: 1; }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 50; border-bottom: 1px solid transparent; transition: background .3s, border-color .3s; }
.site-header.scrolled, .site-header.open { background: rgba(6, 8, 12, .82); backdrop-filter: blur(16px) saturate(1.4); border-bottom-color: var(--line); }
.header-row { display: flex; align-items: center; gap: 32px; height: 76px; }
.logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; flex: none; }
.logo svg { width: 36px; height: auto; fill: var(--red); }
.logo span { font: 700 30px/1 "Barlow Condensed", sans-serif; letter-spacing: .05em; }
html[dir="rtl"] .logo { direction: ltr; }
.nav { display: flex; gap: 32px; margin-inline-start: auto; }
.nav a { font-size: 15.5px; font-weight: 500; color: #b9c2d0; padding: 8px 0; position: relative; transition: color .2s; }
.nav a:hover { color: #fff; }
.nav a::after { content: ""; position: absolute; inset: auto 0 0 0; height: 2px; background: var(--red); transform: scaleX(0); transition: transform .3s var(--ease); }
.nav a:hover::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.lang { display: flex; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.lang button { font: 500 12.5px/1 var(--mono); color: #9aa5b6; background: none; border: 0; min-width: 36px; height: 34px; cursor: pointer; transition: background .2s, color .2s; }
.lang button[data-lang="ar"] { font: 600 16px/1 "IBM Plex Sans Arabic", Tahoma, sans-serif; }
.lang button:hover { color: #fff; }
.lang button.active { background: #fff; color: var(--bg); }
.menu-toggle { display: none; width: 44px; height: 44px; background: none; border: 0; cursor: pointer; padding: 0; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: #fff; margin: 6px auto; transition: transform .2s; }
.site-header.open .menu-toggle span:first-child { transform: translateY(4px) rotate(45deg); }
.site-header.open .menu-toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-top: 76px; }
.hero-bg {
  position: absolute; inset: -6% 0; z-index: 0;
  background:
    linear-gradient(90deg, rgba(6, 8, 12, .96) 0%, rgba(6, 8, 12, .72) 55%, rgba(6, 8, 12, .86) 100%),
    linear-gradient(180deg, rgba(6, 8, 12, .5) 0%, transparent 30%, var(--bg) 96%),
    url("../assets/photos/fins.jpg") center / cover no-repeat;
  transform: translateY(var(--parallax, 0px)); will-change: transform;
}
html[dir="rtl"] .hero-bg { transform: translateY(var(--parallax, 0px)) scaleX(-1); }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 500px at 78% 42%, rgba(225, 37, 27, .2), transparent 65%);
}
.hero-row {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 32px; align-items: center;
  padding-block: clamp(40px, 5vw, 72px) clamp(32px, 4vw, 56px);
}
.hero h1 span { background: var(--silver); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { color: #b6bfcd; margin-top: 28px; max-width: 56ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 40px; }
.hero-copy > * { animation: rise .9s var(--ease) both; }
.hero-copy > :nth-child(2) { animation-delay: .08s; }
.hero-copy > :nth-child(3) { animation-delay: .16s; }
.hero-copy > :nth-child(4) { animation-delay: .24s; }
@keyframes rise { from { opacity: 0; transform: translateY(24px); } }

/* ---------- 3D viewer ---------- */
.viewer { position: relative; animation: rise 1.1s .2s var(--ease) both; }
.stage {
  position: relative; height: 520px; perspective: 1300px;
  cursor: grab; touch-action: pan-y; user-select: none; -webkit-user-select: none;
}
.stage.dragging { cursor: grabbing; }
.floor {
  position: absolute; left: 50%; bottom: 34px; width: 420px; height: 60px; margin-left: -210px;
  background: radial-gradient(closest-side, rgba(225, 37, 27, .35), transparent); filter: blur(14px);
}
.rad-scale {
  position: absolute; left: 50%; top: 50%; width: 360px; height: 350px; margin: -185px 0 0 -180px;
  transform: scale(var(--s, 1)); transform-style: preserve-3d;
}
.rad { position: absolute; inset: 0; transform-style: preserve-3d; transform: rotateX(var(--rx, -10deg)) rotateY(var(--ry, -28deg)); }
.part { position: absolute; left: 0; right: 0; transform-style: preserve-3d; transition: transform .9s var(--ease); }
.p-tank-top { top: 0; height: 46px; }
.p-gasket-top { top: 46px; height: 4px; }
.p-core { top: 50px; height: 250px; }
.p-gasket-bottom { top: 300px; height: 4px; }
.p-tank-bottom { top: 304px; height: 46px; }
.rad.exploded .p-tank-top { transform: translateY(-72px); }
.rad.exploded .p-gasket-top { transform: translateY(-36px); }
.rad.exploded .p-gasket-bottom { transform: translateY(36px); }
.rad.exploded .p-tank-bottom { transform: translateY(72px); }

.box {
  position: absolute; width: var(--w); height: var(--h);
  left: var(--x, calc(50% - var(--w) / 2)); top: var(--y, 0px);
  transform: translateZ(var(--z, 0px)); transform-style: preserve-3d;
}
.f { position: absolute; transition: box-shadow .3s; }
.f.fr, .f.bk { inset: 0; }
.f.fr { transform: translateZ(calc(var(--d) / 2)); }
.f.bk { transform: rotateY(180deg) translateZ(calc(var(--d) / 2)); }
.f.lt, .f.rt { width: var(--d); height: 100%; left: calc(50% - var(--d) / 2); top: 0; }
.f.lt { transform: rotateY(-90deg) translateZ(calc(var(--w) / 2)); }
.f.rt { transform: rotateY(90deg) translateZ(calc(var(--w) / 2)); }
.f.tp, .f.bt { width: 100%; height: var(--d); left: 0; top: calc(50% - var(--d) / 2); }
.f.tp { transform: rotateX(90deg) translateZ(calc(var(--h) / 2)); }
.f.bt { transform: rotateX(-90deg) translateZ(calc(var(--h) / 2)); }

.tank .f { background: linear-gradient(180deg, #333944, #171a21); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1); }
.tank .f.fr, .tank .f.bk { background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .07) 0 2px, transparent 2px 36px), linear-gradient(180deg, #3a414d, #171a21); }
.tank .f.tp { background: linear-gradient(90deg, #3d4450, #272c35); }
.tank .f.bt { background: #0e1014; }
.tank .f.lt, .tank .f.rt { background: linear-gradient(180deg, #2a2f38, #121419); }
.cap .f { background: linear-gradient(180deg, #ff4a3f, #b71b12); }
.cap .f.tp { background: #ef3327; }
.gasket .f { background: #e1251b; }
.alu .f { background: linear-gradient(180deg, #e6eaf0, #98a2af); }
.alu .f.tp { background: #dfe4ea; }
.alu .f.bt { background: #7b8592; }
.core .f { background: linear-gradient(180deg, #c6cdd6, #8a94a1); }
.core .f.fr, .core .f.bk {
  background:
    linear-gradient(180deg, rgba(225, 37, 27, .28), transparent 40%, rgba(60, 130, 246, .2)),
    repeating-linear-gradient(90deg, #dfe4ea 0 3px, transparent 3px 14px),
    repeating-linear-gradient(0deg, rgba(210, 217, 226, .7) 0 1px, transparent 1px 4px),
    #2a313b;
}
.part.hl > .box:not([data-part]) .f, .box.hl .f { box-shadow: inset 0 0 0 2px #ff5a4f, 0 0 24px rgba(225, 37, 27, .9); }

.drag-hint {
  position: absolute; inset: auto 0 0 0; display: flex; justify-content: center; align-items: center; gap: 8px;
  font: 500 11.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
  pointer-events: none; transition: opacity .4s;
}
html[lang="ar"] .drag-hint { font: 500 14px/1 var(--body); letter-spacing: 0; }
.drag-hint svg { width: 22px; }
.stage.touched .drag-hint { opacity: 0; }
.viewer-ui { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px; margin-top: 14px; }
.parts { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.parts button, .explode {
  display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 14px;
  font-size: 14px; font-weight: 500; color: #c6cedb; cursor: pointer;
  background: rgba(13, 17, 24, .7); border: 1px solid var(--line); border-radius: 999px;
  backdrop-filter: blur(8px); transition: border-color .25s, color .25s, background .25s;
}
.parts button i { width: 7px; height: 7px; border-radius: 50%; background: var(--red); }
.parts button:hover, .parts button.active { border-color: var(--red); color: #fff; }
.explode { background: #fff; color: var(--bg); border-color: #fff; font-weight: 600; }
.explode:hover { background: #dfe4ea; }
.explode .when-on, .explode[aria-pressed="true"] .when-off { display: none; }
.explode[aria-pressed="true"] .when-on { display: inline; }

/* WebGL viewer (replaces the CSS radiator / drawings once a model has loaded) */
.gl-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; opacity: 0; pointer-events: none; transition: opacity .9s; cursor: grab; outline: none; }
.gl-canvas:active { cursor: grabbing; }
.gl > .gl-canvas { opacity: 1; pointer-events: auto; }
.stage.gl .rad-scale { display: none; }
.panel-media.gl > svg, .panel-media.gl > img { display: none; }
.part-label {
  position: absolute; z-index: 3; inset: 14px auto auto 50%; transform: translate(-50%, -6px);
  padding: 7px 12px; white-space: nowrap; pointer-events: none; direction: ltr;
  font: 500 11.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #fff;
  background: rgba(6, 8, 12, .8); border: 1px solid var(--red); border-radius: 999px;
  opacity: 0; transition: opacity .2s, transform .2s;
}
.part-label.on { opacity: 1; transform: translate(-50%, 0); }
.panel-media .explode { position: absolute; z-index: 3; inset: auto auto 16px 50%; transform: translateX(-50%); display: none; }
.panel-media.gl .explode { display: inline-flex; }

/* ---------- Facts ---------- */
.facts { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.facts > div { padding: 28px 24px 36px; border-inline-start: 1px solid var(--line); }
.facts > div:first-child { border-inline-start: 0; padding-inline-start: 0; }
.facts dt { font: 700 44px/1 var(--display); text-transform: uppercase; font-variant-numeric: tabular-nums; }
.facts dd { margin-top: 8px; font-size: 14.5px; color: var(--muted); }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--panel); padding-block: 22px; }
.marquee-track { display: flex; align-items: center; gap: 40px; width: max-content; animation: marquee 36s linear infinite; }
.marquee span { font: 600 30px/1 var(--display); text-transform: uppercase; letter-spacing: .04em; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .38); white-space: nowrap; }
html[lang="ar"] .marquee span { -webkit-text-stroke: 0; color: rgba(255, 255, 255, .45); font-size: 22px; letter-spacing: 0; }
.marquee i { width: 8px; height: 8px; background: var(--red); transform: rotate(45deg); flex: none; }
@keyframes marquee { to { transform: translateX(calc(-50% - 20px)); } }

/* ---------- Sections ---------- */
.section { position: relative; padding-block: clamp(80px, 9vw, 140px); }
.section-head { max-width: 800px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head .lead { margin-top: 22px; }
.tag { font: 500 11.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--red); margin-bottom: 14px; }
html[lang="ar"] .tag { font: 600 13.5px/1.3 var(--body); letter-spacing: 0; }
.tag-dev { color: var(--muted); }

/* ---------- Product showcase ---------- */
.showcase { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 20px; }
.showcase-tabs { display: grid; gap: 8px; align-content: start; }
.showcase-tabs button {
  display: grid; grid-template-columns: auto 1fr; gap: 2px 16px; align-items: center; text-align: start;
  padding: 20px 22px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer; transition: border-color .3s, background .3s, transform .3s var(--ease);
}
.showcase-tabs .num { grid-row: span 2; font: 500 12.5px/1 var(--mono); color: var(--muted); transition: color .3s; }
.showcase-tabs b { font: 700 26px/1.1 var(--display); text-transform: uppercase; }
html[lang="ar"] .showcase-tabs b { font-size: 20px; line-height: 1.4; }
.showcase-tabs em { font-style: normal; font-size: 13px; color: var(--red); }
.showcase-tabs em.dev { color: var(--muted); }
.showcase-tabs button:hover { border-color: var(--line-strong); transform: translateX(4px); }
html[dir="rtl"] .showcase-tabs button:hover { transform: translateX(-4px); }
.showcase-tabs button.active { background: var(--panel-2); border-color: var(--red); }
.showcase-tabs button.active .num { color: var(--red); }

.showcase-panels { position: relative; min-height: 440px; }
.showcase .panel {
  display: none; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); height: 100%;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
}
.showcase .panel.active { display: grid; animation: panel-in .6s var(--ease) both; }
@keyframes panel-in { from { opacity: 0; transform: translateY(14px); } }
.panel-media {
  position: relative; min-height: 360px; display: grid; place-items: center; color: #aab4c3;
  background:
    radial-gradient(closest-side, rgba(225, 37, 27, .16), transparent),
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 28px 28px,
    #090c11;
}
.panel-media svg { width: min(64%, 300px); filter: drop-shadow(0 0 22px rgba(225, 37, 27, .35)); }
.panel-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 1; }
.panel-body { padding: clamp(24px, 3vw, 44px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.panel-body h3 { font: 700 clamp(34px, 3.4vw, 48px)/1 var(--display); text-transform: uppercase; margin-bottom: 14px; }
html[lang="ar"] .panel-body h3 { font-size: 28px; line-height: 1.35; }
.panel-body p:not(.tag) { color: var(--muted); }
.panel-body ul { width: 100%; margin-block: 24px; display: grid; }
.panel-body li { position: relative; padding: 12px 0; padding-inline-start: 22px; font-size: 15.5px; font-weight: 500; border-top: 1px solid var(--line); }
.panel-body li::before { content: ""; position: absolute; inset-inline-start: 0; top: 1.4em; width: 10px; height: 2px; background: var(--red); }
.panel-body > .btn-ghost { margin-top: 28px; }

/* ---------- Manufacturing stepper ---------- */
.mfg { overflow: hidden; }
.mfg-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, var(--bg) 0%, rgba(6, 8, 12, .82) 30%, rgba(6, 8, 12, .86) 70%, var(--bg) 100%),
    url("../assets/photos/forge.jpg") center / cover no-repeat fixed;
}
.mfg .container { position: relative; }
.stepper { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 20px; }
.stepper-rail { display: grid; align-content: start; border-inline-start: 1px solid var(--line); }
.stepper-rail button {
  position: relative; display: flex; align-items: baseline; gap: 16px; text-align: start;
  padding: 16px 22px; background: none; border: 0; cursor: pointer; color: var(--muted); transition: color .3s;
}
.stepper-rail button::before { content: ""; position: absolute; inset-block: 0; inset-inline-start: -1px; width: 2px; background: var(--red); transform: scaleY(0); transition: transform .4s var(--ease); }
.stepper-rail span { font: 500 12.5px/1 var(--mono); }
.stepper-rail b { font: 600 22px/1.15 var(--display); text-transform: uppercase; letter-spacing: .02em; }
html[lang="ar"] .stepper-rail b { font-size: 18px; line-height: 1.4; }
.stepper-rail button:hover { color: #fff; }
.stepper-rail button.active { color: #fff; }
.stepper-rail button.active span { color: var(--red); }
.stepper-rail button.active::before { transform: scaleY(1); }
.stepper-panels {
  position: relative; min-height: 340px; padding: clamp(28px, 4vw, 56px); overflow: hidden;
  background: rgba(13, 17, 24, .72); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(14px);
}
.stepper .panel { display: none; }
.stepper .panel.active { display: block; animation: panel-in .6s var(--ease) both; }
.big { display: block; font: 700 clamp(96px, 12vw, 180px)/.8 "Barlow Condensed", sans-serif; color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, .22); margin-bottom: 28px; }
.stepper .panel h3 { font: 700 clamp(32px, 3.4vw, 48px)/1 var(--display); text-transform: uppercase; margin-bottom: 12px; }
html[lang="ar"] .stepper .panel h3 { font-size: 28px; line-height: 1.35; }
.stepper .panel p { font-size: 19px; color: #b6bfcd; max-width: 46ch; }
.stepper-bar { position: absolute; inset: auto 0 0 0; height: 3px; background: var(--line); }
.stepper-bar i { display: block; height: 100%; background: var(--red); transform-origin: 0 50%; transform: scaleX(0); }
html[dir="rtl"] .stepper-bar i { transform-origin: 100% 50%; }
.stepper-bar i.run { animation: bar var(--dur, 6s) linear both; }
@keyframes bar { to { transform: scaleX(1); } }

/* ---------- Quality ---------- */
.quality { background: var(--panel); border-block: 1px solid var(--line); }
.quality-row { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 5vw, 80px); align-items: stretch; }
.quality-photo {
  min-height: 420px; border-radius: var(--radius); border: 1px solid var(--line);
  background:
    linear-gradient(180deg, transparent 40%, rgba(6, 8, 12, .85)),
    linear-gradient(rgba(6, 8, 12, .45), rgba(6, 8, 12, .45)),
    url("../assets/photos/alu.jpg") center / cover no-repeat;
}
.quality .section-head { margin-bottom: 36px; }
.pillar { display: grid; grid-template-columns: auto 1fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--line); transition: padding .4s var(--ease); }
.pillar:hover { padding-inline-start: 12px; }
.pillar > span { font: 500 12.5px/1.9 var(--mono); color: var(--red); }
.pillar h3 { font-size: 22px; margin-bottom: 6px; }
.pillar p { color: var(--muted); }
.certs { margin-top: 64px; }
.certs h3 { font: 500 12.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.certs ul { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.certs li { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; font-size: 14.5px; color: var(--muted); }
.certs li b { display: block; font-size: 17px; color: var(--text); }
.certs li a { color: var(--red); font-weight: 600; }

/* ---------- Export ---------- */
.export-row { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 20px; align-items: stretch; }
.routes { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.routes svg { width: 100%; height: auto; }
.land { fill: #242d3d; stroke: rgba(255, 255, 255, .3); stroke-width: .7; stroke-linejoin: round; }
.ksa { fill: rgba(225, 37, 27, .42); stroke: var(--red); stroke-width: 1; stroke-linejoin: round; }
.arcs path { stroke: rgba(255, 255, 255, .55); stroke-width: 1.6; stroke-dasharray: 6 8; transition: stroke .3s, stroke-width .3s; }
.arcs path.on { stroke: var(--red); stroke-width: 3; stroke-dasharray: none; }
.ships circle { fill: #fff; filter: drop-shadow(0 0 6px #fff); }
.nodes g { cursor: default; }
.nodes circle { fill: var(--bg); stroke: #fff; stroke-width: 2.4; transition: fill .3s, stroke .3s; }
.nodes text, .hub-label { fill: #e3e8ef; font: 600 20px var(--body); paint-order: stroke; stroke: var(--panel); stroke-width: 5px; stroke-linejoin: round; transition: fill .3s; }
.hub-label { fill: #fff; font-weight: 700; }
.nodes g.on circle { fill: var(--red); stroke: var(--red); }
.nodes g.on text { fill: #fff; }
.hub-ring { stroke: var(--red); stroke-width: 1.5; fill: none; transform-box: fill-box; transform-origin: center; animation: ping 2.4s ease-out infinite; }
@keyframes ping { from { transform: scale(.6); opacity: 1; } to { transform: scale(2.8); opacity: 0; } }
.regions { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.regions li { display: grid; gap: 8px; padding: 18px 20px; border-inline-start: 1px solid var(--line); cursor: default; transition: background .3s; }
.regions li:first-child { border-inline-start: 0; }
.regions li.on { background: var(--panel-2); }
.regions span { font: 500 12px/1 var(--mono); color: var(--red); }
.regions b { font: 700 22px/1.1 var(--display); text-transform: uppercase; }
html[lang="ar"] .regions b { font-size: 18px; line-height: 1.4; }
.supply { display: grid; gap: 12px; align-content: start; }
.supply-title { font: 500 12.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); padding: 6px 0; }
html[lang="ar"] .supply-title { font: 600 14.5px/1.3 var(--body); letter-spacing: 0; }
.supply > div { padding: 26px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); transition: border-color .3s, transform .4s var(--ease); }
.supply > div:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.supply h3 { margin-bottom: 6px; }
.supply > div p { font-size: 15.5px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { background: radial-gradient(900px 520px at 100% 0, rgba(225, 37, 27, .14), transparent 60%), var(--panel); border-top: 1px solid var(--line); }
.contact-row { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 64px; align-items: start; }
address { font-style: normal; display: grid; gap: 4px; color: var(--muted); font-size: 16px; padding-top: 28px; border-top: 1px solid var(--line); }
address b { font: 700 26px/1 "Barlow Condensed", sans-serif; letter-spacing: .05em; color: #fff; margin-bottom: 6px; }
address a { color: #fff; font-weight: 600; margin-top: 10px; width: fit-content; border-bottom: 1px solid var(--red); }
.rfq { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; }
.rfq > * { position: relative; z-index: 1; }
.rfq .full { grid-column: 1 / -1; }
.rfq label { display: grid; gap: 8px; }
.rfq label span { font-size: 13.5px; font-weight: 500; color: var(--muted); }
.rfq input, .rfq select, .rfq textarea {
  width: 100%; font: 400 16px/1.4 var(--body); color: #fff; background: var(--panel);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 14px; transition: border-color .2s, box-shadow .2s;
}
.rfq textarea { resize: vertical; }
.rfq input:focus, .rfq select:focus, .rfq textarea:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 4px rgba(225, 37, 27, .16); }
.rfq .invalid { border-color: var(--red); }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 6px; }
.form-note { font-size: 13.5px; color: var(--muted); flex: 1; min-width: 200px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14.5px; padding-block: 36px; }
.footer-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 32px; }
.site-footer .logo span { font-size: 24px; }
.site-footer .logo svg { width: 28px; }
.copy { margin-inline-start: auto; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-copy > *, .viewer, .marquee-track, .hub-ring { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .header-cta { display: none; }
  .showcase, .stepper { grid-template-columns: 1fr; }
  .showcase-tabs { grid-template-columns: repeat(2, 1fr); }
  .stepper-rail { display: flex; overflow-x: auto; border-inline-start: 0; border-bottom: 1px solid var(--line); scrollbar-width: none; }
  .stepper-rail button { flex: none; padding: 14px 16px; }
  .stepper-rail b { white-space: nowrap; font-size: 18px; }
  .stepper-rail button::before { inset: auto 0 -1px 0; width: auto; height: 2px; transform: scaleX(0); }
  .stepper-rail button.active::before { transform: scaleX(1); }
  .mfg-bg { background-attachment: scroll, scroll; }
}
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .header-row { gap: 12px; }
  .header-actions { margin-inline-start: auto; gap: 8px; }
  .nav { position: absolute; inset: 76px 0 auto 0; flex-direction: column; gap: 0; padding: 8px 24px 20px; background: rgba(6, 8, 12, .97); border-bottom: 1px solid var(--line); display: none; }
  .site-header.open .nav { display: flex; }
  .nav a { padding: 15px 0; font-size: 18px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .hero-row, .quality-row, .export-row, .contact-row { grid-template-columns: 1fr; gap: 32px; }
  .quality-photo { min-height: 240px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts > div { padding-inline: 16px; }
  .facts > div:nth-child(odd) { border-inline-start: 0; padding-inline-start: 0; }
  .facts > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .showcase .panel { grid-template-columns: 1fr; }
  .panel-media { min-height: 240px; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .container { padding-inline: 16px; }
  .nav { padding-inline: 16px; }
  .stage { height: 400px; }
  .rad-scale { --s: .74; }
  .floor { width: 300px; margin-left: -150px; bottom: 30px; }
  .showcase-tabs { grid-template-columns: 1fr; }
  .showcase-tabs button { padding: 14px 16px; }
  .rfq { grid-template-columns: 1fr; padding: 24px 20px; }
  .nodes text, .hub-label { font-size: 30px; stroke-width: 7px; }
  .regions { grid-template-columns: repeat(2, 1fr); }
  .regions li:nth-child(odd) { border-inline-start: 0; }
  .regions li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .facts dt { font-size: 34px; }
  .cta-row .btn { flex: 1 1 100%; }
  .copy { margin-inline-start: 0; }
  .lang button { min-width: 32px; }
  .marquee span { font-size: 22px; }
}

/* =====================================================================
   Nine-page build: shared page furniture
   ===================================================================== */
.skip { position: absolute; left: 16px; top: -60px; z-index: 100; padding: 10px 16px; background: #fff; color: #000; border-radius: var(--radius); font-weight: 600; }
.skip:focus { top: 12px; }

.nav { gap: 24px; }
.nav a { font-size: 15px; }
.nav a[aria-current="page"] { color: #fff; }
.nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav-contact { display: none; }

/* Page hero (inner pages) */
.page-hero {
  position: relative; overflow: hidden; padding: calc(76px + clamp(56px, 8vw, 120px)) 0 clamp(40px, 5vw, 72px);
  background: radial-gradient(800px 460px at 85% 0, rgba(225, 37, 27, .2), transparent 62%), var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hero .container { position: relative; }
.page-hero h1 { font-size: clamp(44px, 5.8vw, 88px); max-width: 16ch; background: var(--silver); -webkit-background-clip: text; background-clip: text; color: transparent; }
html[lang="ar"] .page-hero h1 { font-size: clamp(34px, 4.4vw, 64px); max-width: 20ch; padding-bottom: .12em; }
.page-hero .lead { margin-top: 24px; color: #b6bfcd; }
.page-hero.has-photo .mfg-bg { background-attachment: scroll, scroll; }
.jump { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.jump a { padding: 10px 18px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 15px; font-weight: 500; color: #d3dae5; transition: border-color .25s, color .25s, background .25s; }
.jump a:hover { border-color: var(--red); color: #fff; background: rgba(225, 37, 27, .12); }

.section.tight { padding-block: clamp(48px, 6vw, 88px); }
.section-head.split { max-width: none; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px; }
.section-head.split > div { max-width: 800px; }
.section-head.split .text-link, .quality-row .text-link { padding-top: 0; margin-top: 0; color: #fff; border-bottom: 1px solid var(--red); padding-bottom: 4px; }
.quality-row .text-link { display: inline-block; margin-top: 28px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; transition: border-color .3s, transform .4s var(--ease); }
.card:hover { border-color: var(--line-strong); transform: translateY(-4px); }
.card .num { display: block; font: 500 12.5px/1 var(--mono); letter-spacing: .12em; color: var(--red); margin-bottom: 40px; }
.card h3 { font: 700 28px/1.1 var(--display); text-transform: uppercase; margin-bottom: 10px; }
html[lang="ar"] .card h3 { font-size: 22px; line-height: 1.4; }
.card p:not(.tag) { color: var(--muted); font-size: 16px; }
.card-wide { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; border-style: dashed; }

/* Product photography sits on a light studio tile */
.studio { position: relative; overflow: hidden; border-radius: var(--radius); background: linear-gradient(180deg, #ffffff, #e6eaef); }
.studio img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.panel-media.studio { border-radius: 0; }
.panel-media.studio img { position: absolute; inset: 0; padding: 20px; }
.quality-photo.studio { min-height: 0; aspect-ratio: 3 / 2; align-self: center; border: 0; background: linear-gradient(180deg, #ffffff, #e6eaef); }

/* Products page */
.product-row + .product-row { border-top: 1px solid var(--line); }
.product-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.product-row.flip .gallery { order: 2; }
.gallery-main { aspect-ratio: 3 / 2; }
.gallery-main img { padding: 4%; }
.gallery-thumbs { display: flex; gap: 12px; margin-top: 12px; }
.gallery-thumbs button { width: 110px; aspect-ratio: 3 / 2; padding: 0; border: 2px solid transparent; cursor: pointer; opacity: .6; transition: opacity .25s, border-color .25s; }
.gallery-thumbs button:hover { opacity: 1; }
.gallery-thumbs button.active { opacity: 1; border-color: var(--red); }
.product-copy h2 { margin-bottom: 18px; }
.ticks { margin-block: 28px 32px; }
.ticks li { position: relative; padding: 13px 0; padding-inline-start: 24px; font-weight: 500; border-top: 1px solid var(--line); }
.ticks li:last-child { border-bottom: 1px solid var(--line); }
.ticks li::before { content: ""; position: absolute; inset-inline-start: 0; top: 1.45em; width: 10px; height: 2px; background: var(--red); }

/* Key/value list */
.kv > div { display: grid; grid-template-columns: 160px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.kv > div:last-child { border-bottom: 1px solid var(--line); }
.kv dt { font: 500 12.5px/1.8 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
html[lang="ar"] .kv dt { font: 600 14.5px/1.6 var(--body); letter-spacing: 0; }
.kv dd { font-weight: 500; }

/* Six-stage grid */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-inline-start: 1px solid var(--line); }
.steps li { padding: 34px 30px 40px; border-bottom: 1px solid var(--line); border-inline-end: 1px solid var(--line); transition: background .3s; }
.steps li:hover { background: var(--panel); }
.steps .num { display: block; font: 500 13px/1 var(--mono); letter-spacing: .12em; color: var(--red); margin-bottom: 44px; }
.steps h3 { font: 700 28px/1.05 var(--display); text-transform: uppercase; margin-bottom: 10px; }
html[lang="ar"] .steps h3 { font-size: 22px; line-height: 1.4; }
.steps p { font-size: 15.5px; color: var(--muted); }

/* Quality checks */
.checks { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.checks li { display: grid; gap: 36px; padding: 28px; background: var(--bg); border-inline-start: 1px solid var(--line); }
.checks li:first-child { border-inline-start: 0; }
.checks span { font: 500 12.5px/1 var(--mono); color: var(--red); }
.checks b { font: 600 20px/1.25 var(--body); }

/* Engineering: 3D anatomy */
.anatomy { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.anatomy-tabs { display: flex; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.anatomy-tabs button { flex: 1; min-width: max-content; padding: 20px 24px; background: none; border: 0; border-bottom: 2px solid transparent; cursor: pointer; font: 600 22px/1 var(--display); text-transform: uppercase; letter-spacing: .02em; color: var(--muted); transition: color .25s, border-color .25s, background .25s; }
html[lang="ar"] .anatomy-tabs button { font-size: 18px; }
.anatomy-tabs button:hover { color: #fff; }
.anatomy-tabs button.active { color: #fff; border-bottom-color: var(--red); background: var(--panel); }
.anatomy-stage {
  position: relative; height: clamp(360px, 46vw, 600px); display: grid; place-items: center;
  background: radial-gradient(closest-side, rgba(225, 37, 27, .16), transparent), linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 32px 32px, linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 32px 32px;
}
.anatomy-fallback { max-width: min(70%, 620px); border-radius: var(--radius); }
.anatomy-stage.gl .anatomy-fallback { display: none; }
.anatomy-stage .drag-hint { bottom: 18px; }
.anatomy-stage.touched .drag-hint, .anatomy-stage:not(.gl) .drag-hint { opacity: 0; }
.anatomy-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 24px; border-top: 1px solid var(--line); }
.note { font-size: 13.5px; color: var(--muted); }
.detail-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.detail-pair .studio { aspect-ratio: 3 / 2; }

/* Quote band above the footer */
.cta-band { border-top: 1px solid var(--line); background: radial-gradient(700px 320px at 12% 100%, rgba(225, 37, 27, .22), transparent 65%), var(--panel); padding-block: clamp(56px, 7vw, 96px); }
.cta-row-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px; }
.cta-row-band h2 { font-size: clamp(32px, 4vw, 56px); margin-bottom: 14px; }
html[lang="ar"] .cta-row-band h2 { font-size: clamp(26px, 3vw, 40px); }

/* Contact page */
.contact-page { border-bottom: 0; padding-bottom: clamp(64px, 8vw, 120px); }
.contact-page h1 { max-width: 12ch; }
.contact-page address { margin-top: 40px; }

/* Footer */
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 28px 48px; align-items: start; }
.footer-brand p { margin-top: 12px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 28px; max-width: 560px; justify-content: flex-end; }
.footer-nav a { color: #b9c2d0; transition: color .2s; }
.footer-nav a:hover { color: #fff; }
.footer-grid .copy { grid-column: 1 / -1; margin: 0; padding-top: 24px; border-top: 1px solid var(--line); }

/* The eight-link menu collapses earlier than the single-page one did */
@media (max-width: 1240px) {
  .menu-toggle { display: block; }
  .header-row { gap: 12px; }
  .header-actions { margin-inline-start: auto; gap: 8px; }
  .nav { position: absolute; inset: 76px 0 auto 0; flex-direction: column; gap: 0; padding: 8px 24px 20px; background: rgba(6, 8, 12, .97); border-bottom: 1px solid var(--line); display: none; max-height: calc(100vh - 76px); overflow-y: auto; }
  .site-header.open .nav { display: flex; }
  .nav a { padding: 15px 0; font-size: 18px; border-bottom: 1px solid var(--line); }
  .nav a::after { display: none; }
  .nav a[aria-current="page"] { color: var(--red); }
  .nav-contact { display: block; }
}
@media (max-width: 900px) {
  .cards, .steps { grid-template-columns: 1fr 1fr; }
  .checks { grid-template-columns: 1fr 1fr; }
  .checks li:nth-child(odd) { border-inline-start: 0; }
  .checks li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .product-grid { grid-template-columns: 1fr; }
  .product-row.flip .gallery { order: 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
}
@media (max-width: 600px) {
  .cards, .steps, .detail-pair { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .card .num, .steps .num { margin-bottom: 24px; }
  .kv > div { grid-template-columns: 1fr; gap: 2px; }
  .gallery-thumbs button { width: 84px; }
  .cta-row-band .btn { width: 100%; }
}

/* Photo / 3D switch on product media */
.media3d.gl { background: radial-gradient(closest-side, rgba(225, 37, 27, .16), transparent), linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 28px 28px, linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px) 0 0 / 28px 28px, #090c11; }
.gallery-main.media3d.gl { outline: 1px solid var(--line); }
.media3d.gl > img { display: none; }
.media3d .explode { position: absolute; z-index: 3; inset: auto auto 16px 50%; transform: translateX(-50%); display: none; }
.media3d.gl .explode { display: inline-flex; }
.toggle3d {
  position: absolute; z-index: 4; inset: 14px 14px auto auto; display: none; align-items: center; min-height: 36px; padding: 0 16px;
  font: 600 13px/1 var(--mono); letter-spacing: .08em; color: #fff; cursor: pointer;
  background: var(--red); border: 0; border-radius: 999px; box-shadow: 0 8px 20px -8px rgba(225, 37, 27, .8);
}
html[dir="rtl"] .toggle3d { inset: 14px auto auto 14px; }
.has3d .toggle3d { display: inline-flex; }
.toggle3d .when-on, .media3d.gl .toggle3d .when-off { display: none; }
.media3d.gl .toggle3d .when-on { display: inline; }
.media3d.gl .toggle3d { background: #fff; color: var(--bg); box-shadow: none; }
html[lang="ar"] .toggle3d { font-family: var(--body); letter-spacing: 0; font-size: 14px; }
.gallery-thumbs .thumb-3d { display: none; place-items: center; background: var(--panel); border: 2px solid var(--line-strong); border-radius: var(--radius); color: #fff; font: 600 18px/1 var(--mono); opacity: 1; }
.has3d .gallery-thumbs .thumb-3d { display: grid; }
.gallery-thumbs .thumb-3d.active { border-color: var(--red); color: var(--red); }

/* About: company story */
.story { border-bottom: 1px solid var(--line); background: radial-gradient(700px 420px at 0 100%, rgba(225, 37, 27, .12), transparent 65%), var(--bg); }
.story-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.story-head { position: sticky; top: 120px; }
.chapters { position: relative; display: grid; }
.chapters::before { content: ""; position: absolute; inset-block: 8px; inset-inline-start: 27px; width: 1px; background: linear-gradient(var(--red), var(--line) 70%); }
.chapters li { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 28px; padding-bottom: 56px; }
.chapters li:last-child { padding-bottom: 0; }
.chapters span { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--bg); border: 1px solid var(--red); font: 500 13px/1 var(--mono); color: var(--red); }
.chapters h3 { font: 700 34px/1.05 var(--display); text-transform: uppercase; margin: 10px 0 14px; }
html[lang="ar"] .chapters h3 { font-size: 26px; line-height: 1.4; }
.chapters p { font-size: 19px; line-height: 1.75; color: #c3cad6; max-width: 54ch; }
@media (max-width: 900px) {
  .story-grid { grid-template-columns: 1fr; }
  .story-head { position: static; }
}
@media (max-width: 600px) {
  .chapters li { grid-template-columns: 44px 1fr; gap: 18px; padding-bottom: 40px; }
  .chapters span { width: 44px; height: 44px; }
  .chapters::before { inset-inline-start: 21px; }
  .chapters p { font-size: 17px; }
}

/* 3D slots that have a drawing instead of a photo */
.media3d.gl > svg { display: none; }
.gallery-main.panel-media { min-height: 0; border: 1px solid var(--line); border-radius: var(--radius); }

/* ---- UX pass ---- */
.cards.two { grid-template-columns: repeat(2, 1fr); }
.hero { border-bottom: 1px solid var(--line); }

/* 3D model loading */
.loading::before {
  content: ""; position: absolute; z-index: 5; inset: 16px auto auto 16px; width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid var(--line-strong); border-top-color: var(--red); animation: spin .8s linear infinite;
}
html[dir="rtl"] .loading::before { inset: 16px 16px auto auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Form */
.rfq label:has([required]) > span::after { content: " *"; color: var(--red); }
.rfq textarea::placeholder { color: #5f6b7d; }
.form-note.error { color: #ff7a70; }

/* Quote button always in reach on phones */
.float-cta { display: none; }
@media (max-width: 900px) {
  .float-cta { display: inline-flex; position: fixed; z-index: 40; inset: auto 16px 16px 16px; min-height: 52px; box-shadow: 0 12px 30px -8px rgba(0, 0, 0, .8), 0 10px 30px -10px rgba(225, 37, 27, .7); opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity .3s, transform .3s; }
  .float-cta.show { opacity: 1; pointer-events: auto; transform: none; }
  [data-page="contact"] .float-cta { display: none; }
  body { padding-bottom: 84px; }
  [data-page="contact"] body { padding-bottom: 0; }
  .cta-band .btn { display: none; } /* the floating button already does this job */
  .cards.two { grid-template-columns: 1fr; }
}