/* ===== Colors & fonts (change the brand here) ===== */
:root {
  --bg: oklch(19% .045 245);
  --card: oklch(23% .045 240);
  --muted-bg: oklch(27% .04 240);
  --text: oklch(97% .01 160);
  --muted: oklch(75% .03 190);
  --primary: oklch(82% .17 168);
  --primary-glow: oklch(90% .16 165);
  --primary-text: oklch(18% .05 240);
  --accent: oklch(42% .09 168);
  --border: oklch(34% .05 200 / .45);
  --error: oklch(68% .2 25);
  --radius: 14px;
  --gradient: linear-gradient(135deg, var(--primary), var(--primary-glow));
  --surface: linear-gradient(160deg, oklch(24% .05 240), oklch(20% .05 220));
  --shadow: 0 24px 60px -30px oklch(10% .05 240 / .9);
  --glow: 0 0 40px oklch(82% .17 168 / .35);
  --font: "Cairo", system-ui, sans-serif;
}

/* ===== Base ===== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-weight: 900; line-height: 1.3; margin: 0; }
h2 { font-size: clamp(1.5rem, 3vw, 1.9rem); }
.wrap { max-width: 72rem; margin: 0 auto; padding: 0 20px; }
.section { padding-top: 64px; padding-bottom: 0; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.xsmall { font-size: .75rem; }
.center { text-align: center; }
.primary { color: var(--primary); }
.text-gradient { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.glow { box-shadow: var(--glow); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }

/* ===== Buttons ===== */
.btn { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 16px 20px; border: 0; border-radius: var(--radius);
  background: var(--primary); color: var(--primary-text); font: 900 1rem var(--font); cursor: pointer; transition: transform .15s; }
.btn:hover { transform: scale(1.01); }
.btn:disabled { opacity: .6; cursor: wait; }
.btn-outline { border: 1px solid oklch(82% .17 168 / .5); color: var(--primary); border-radius: 999px; padding: 8px 18px; font-size: .875rem; transition: background .15s; }
.btn-outline:hover { background: oklch(82% .17 168 / .1); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); box-shadow: none; }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* ===== Header ===== */
.site-header { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; padding-bottom: 24px; }
.logo { font-weight: 900; font-size: 1.15rem; letter-spacing: .02em; direction: ltr; }
.logo span { color: var(--primary); }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 24px 0 8px; }
.hero-bg { position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(700px 400px at 15% 20%, oklch(82% .17 168 / .14), transparent 70%),
    radial-gradient(600px 300px at 90% 0%, oklch(70% .13 200 / .12), transparent 70%),
    linear-gradient(oklch(82% .17 168 / .04) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, oklch(82% .17 168 / .04) 1px, transparent 1px) 0 0 / 48px 48px;
  mask-image: linear-gradient(#000 60%, transparent); -webkit-mask-image: linear-gradient(#000 60%, transparent); }
.hero .wrap { position: relative; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.5fr 1fr; gap: 56px; } }
.badge { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; padding: 4px 16px; border: 1px solid oklch(82% .17 168 / .4); border-radius: 999px;
  background: oklch(42% .09 168 / .4); color: var(--primary); font-size: .75rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 0 oklch(82% .17 168 / .6); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px oklch(82% .17 168 / 0); } 100% { box-shadow: 0 0 0 0 oklch(82% .17 168 / 0); } }
.hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); }
@media (max-width: 959px) { .hero-video { margin-top: 12px; } }
.lede { max-width: 42rem; margin: 16px 0 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.125rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-actions .btn { width: auto; flex: 1 1 180px; }

/* portrait video (480×848): shown at its real shape so it stays sharp */
.hero-video { position: relative; width: 100%; max-width: 340px; margin: 0 auto; }
.hero-video .video { aspect-ratio: 480 / 848; border-color: oklch(82% .17 168 / .35); box-shadow: var(--shadow), 0 0 80px -20px oklch(82% .17 168 / .35); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 64px; overflow: hidden; border: 1px solid var(--border); border-radius: 20px; background: var(--border); }
@media (min-width: 768px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats div { display: flex; flex-direction: column; align-items: center; padding: 20px 12px; background: var(--bg); text-align: center; }
.stats b { font-weight: 900; font-size: 1.4rem; color: var(--primary); }
.stats span { font-size: .8rem; color: var(--muted); }

.section-head { max-width: 40rem; margin-bottom: 32px; }
.section-head h2 + p { margin: 10px 0 0; }

/* ===== Calculator ===== */
.calc { position: relative; display: grid; gap: 32px; padding: 20px; }
.calc::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: 25px; background: linear-gradient(135deg, oklch(82% .17 168 / .6), transparent 40%, transparent 60%, oklch(70% .13 200 / .5)); }
@media (min-width: 900px) { .calc { grid-template-columns: 1fr 1fr; padding: 32px; } }
.calc-inputs { display: grid; gap: 24px; align-content: start; }
.range-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.range-head label { color: var(--muted); font-size: .875rem; }
.range-head output { font-weight: 900; font-size: 1.125rem; direction: ltr; }
/* --fill is set by app.js; RTL page, so the track fills from the right */
input[type=range] { width: 100%; height: 6px; margin: 8px 0; border-radius: 999px;
  background: linear-gradient(to left, var(--primary) var(--fill, 0%), var(--muted-bg) var(--fill, 0%)); accent-color: var(--primary); appearance: none; -webkit-appearance: none; cursor: pointer; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--primary); border: 4px solid var(--bg); box-shadow: 0 0 0 2px var(--primary), var(--glow); }
input[type=range]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--primary); border: 4px solid var(--bg); box-shadow: 0 0 0 2px var(--primary); }
input[type=range]::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--primary); }
.styles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: -8px; }
.style-btn { padding: 12px 6px; border: 1px solid var(--border); border-radius: 12px; background: oklch(27% .04 240 / .4); color: var(--muted);
  font-family: var(--font); cursor: pointer; transition: color .15s, border-color .15s, background .15s; }
.style-btn b { display: block; font-size: .9rem; }
.style-btn small { display: block; margin-top: 2px; font-size: .7rem; opacity: .8; }
.style-btn:hover { color: var(--text); }
.style-btn.active { border-color: var(--primary); background: var(--accent); color: var(--text); }
#style-desc { margin: 8px 0 0; }

.calc-results { display: grid; gap: 16px; align-content: start; }
.result { padding: 20px; border-radius: 18px; background: oklch(27% .04 240 / .4); }
.result p { margin: 0; }
.big { font-weight: 900; font-size: clamp(2rem, 6vw, 2.6rem); line-height: 1.3; direction: ltr; text-align: right; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; font-size: .875rem; }
.result-grid div { padding: 12px; border-radius: 12px; background: oklch(19% .045 245 / .4); }
.result-grid span { display: block; }
.result-grid b { direction: ltr; display: inline-block; }
.rise { animation: rise .5s ease-out both; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.bars { display: flex; align-items: flex-end; gap: 4px; height: 128px; padding: 12px; border-radius: 18px; background: oklch(27% .04 240 / .3); direction: ltr; }
.bars i { flex: 1; min-width: 2px; border-radius: 4px 4px 0 0; background: linear-gradient(to top, oklch(82% .17 168 / .35), var(--primary)); transition: height .3s; }
.bars i:last-child { background: var(--gradient); box-shadow: var(--glow); }

/* ===== Video ===== */
.checks { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.checks li::before { content: "✓"; display: inline-grid; place-items: center; width: 22px; height: 22px; margin-left: 10px; border-radius: 50%;
  background: var(--accent); color: var(--primary); font-size: .75rem; font-weight: 900; }
.video { position: relative; overflow: hidden; padding: 0; }
.video video { display: block; width: 100%; height: 100%; object-fit: cover; background: #000; }
.unmute { position: absolute; top: 14px; right: 14px; padding: 8px 14px; border: 0; border-radius: 999px; background: var(--primary); color: var(--primary-text);
  font: 700 .85rem var(--font); cursor: pointer; box-shadow: var(--glow); }

/* ===== How it works ===== */
.steps { display: grid; gap: 16px; margin-top: 32px; }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { padding: 24px; transition: transform .2s, border-color .2s; }
.step:hover { transform: translateY(-4px); border-color: oklch(82% .17 168 / .4); }
.step span { font-weight: 900; font-size: 1.9rem; color: var(--primary); }
.step h3 { margin-top: 8px; font-size: 1.125rem; font-weight: 700; }
.step p { margin: 8px 0 0; font-size: .875rem; }

/* ===== Lead form ===== */
.form-card { max-width: 48rem; margin: 0 auto; padding: 24px; }
@media (min-width: 768px) { .form-card { padding: 40px; } }
.form-intro p { margin: 10px 0 24px; }
.fields { display: grid; gap: 16px; margin-bottom: 20px; }
@media (min-width: 640px) { .fields { grid-template-columns: 1fr 1fr; } .field.full { grid-column: 1 / -1; } }
.field label { display: block; margin-bottom: 6px; font-size: .875rem; font-weight: 600; }
.field input:not([type=checkbox]) { width: 100%; padding: 12px 16px; border: 1px solid oklch(34% .05 200 / .55); border-radius: 12px;
  background: oklch(19% .045 245 / .6); color: var(--text); font: 1rem var(--font); outline: none; }
.field input[dir=ltr] { text-align: right; }
.field input:focus { border-color: var(--primary); }
.field.invalid input { border-color: var(--error); }
.consent { display: flex !important; gap: 10px; align-items: flex-start; font-weight: 400 !important; color: var(--muted); cursor: pointer; }
.consent input { margin-top: 6px; accent-color: var(--primary); width: 18px; height: 18px; flex: none; }
.err-msg { display: block; min-height: 0; color: var(--error); font-size: .8rem; }
.alert { margin-bottom: 20px; padding: 14px 18px; border-radius: 12px; background: oklch(62% .22 25 / .12); border: 1px solid oklch(62% .22 25 / .4); color: var(--error); font-size: .9rem; }
.alert ul { margin: 6px 0 0; padding-inline-start: 18px; }
.alert ul:empty { display: none; }
.hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); } /* hidden without widening the RTL page */
.spinner { display: none; width: 18px; height: 18px; border: 2px solid currentColor; border-top-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
.is-submitting .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== FAQ ===== */
.faq { display: grid; gap: 12px; margin-top: 24px; }
.faq details { padding: 20px; border-radius: 18px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 12px 0 0; font-size: .9rem; }

/* ===== Footer ===== */
.site-footer { margin-top: 64px; padding: 40px 0 96px; border-top: 1px solid var(--border); }
.footer-title { margin: 0; font-weight: 900; }
.site-footer .muted { max-width: 48rem; margin: 8px 0 0; }
.floating-cta { position: fixed; bottom: 20px; left: 20px; z-index: 50; padding: 12px 22px; border-radius: 999px; background: var(--primary);
  color: var(--primary-text); font-weight: 900; font-size: .9rem; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise, .bars i, .spinner, .dot, .step { animation: none; transition: none; }
}