/* Mohamed Khalifa — web design system. Navy/orange, Arabic-first RTL, light+dark.
   Signature: the upward "growth" motif — rising accent rules and climbing progress. */
:root{
  --navy:#0A1E3F; --navy-2:#13315E; --navy-3:#1C4178;
  --orange:#E3A019; --orange-2:#F2B739; --orange-soft:#FBEFD6;
  --bg:#EEF2F8; --surface:#FFFFFF; --surface-2:#F6F9FD;
  --input:#2D6CDF; --input-soft:#E7EFFC;  /* financial-modeling 'input cell' blue */
  --ledger:rgba(10,30,63,.05);            /* graph-paper grid line */
  --ink:#0A1E3F; --ink-2:#3A4A66; --muted:#6B7A95; --line:#E2E8F2;
  --ok:#1F9D6B; --ok-soft:#E7F7F0; --err:#C0392B; --err-soft:#FDECEA; --warn:#8A6D00; --warn-soft:#FFF7E6;
  --shadow-sm:0 1px 2px rgba(10,30,63,.06);
  --shadow:0 2px 6px rgba(10,30,63,.06),0 12px 30px rgba(10,30,63,.08);
  --radius:14px; --radius-sm:10px; --radius-lg:22px; --container:1140px;
  --font:"IBM Plex Sans Arabic",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
[data-theme="dark"]{
  --bg:#0A1424; --surface:#0F1D33; --surface-2:#13243F;
  --ink:#EAF0FA; --ink-2:#C2D0E6; --muted:#93A4C2; --line:#1E3050; --orange-soft:#22304A;
  --shadow-sm:0 1px 2px rgba(0,0,0,.35); --shadow:0 2px 6px rgba(0,0,0,.4),0 12px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .4em;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1em}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)} .mono{font-family:var(--mono)} .center{text-align:center} .accent{color:var(--orange)}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

.nav{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--line)}
.nav__inner{max-width:var(--container);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.brand img{height:34px;width:auto}
.brand__name{font-size:17px}
.nav__links{display:flex;gap:6px;margin-inline-start:14px}
.nav__links a{padding:8px 12px;border-radius:9px;color:var(--ink-2);font-weight:500;font-size:14.5px}
.nav__links a:hover{background:var(--surface-2);color:var(--ink)}
.nav__links a.is-active{color:var(--orange)}
.nav__actions{margin-inline-start:auto;display:flex;align-items:center;gap:8px}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center;font-size:15px}
.icon-btn:hover{border-color:var(--orange)}
.nav__burger{display:none}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;font-family:inherit;font-weight:600;white-space:nowrap;font-size:15px;padding:11px 18px;border-radius:11px;border:1.5px solid transparent;transition:transform .08s,background .2s,border-color .2s}
.btn:active{transform:translateY(1px)}
.btn--solid{background:var(--orange);color:var(--navy)} .btn--solid:hover{background:var(--orange-2)}
.btn--navy{background:var(--navy);color:#fff} .btn--navy:hover{background:var(--navy-2)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)} .btn--ghost:hover{border-color:var(--orange);color:var(--orange)}
.btn--lg{padding:14px 24px;font-size:16px} .btn--block{width:100%} .btn--sm{padding:8px 14px;font-size:13.5px}

.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 400px at 80% -10%,rgba(227,160,25,.10),transparent 60%),linear-gradient(180deg,var(--surface),var(--bg))}
.hero__inner{max-width:var(--container);margin:0 auto;padding:84px 20px 70px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:1px;text-transform:uppercase;color:var(--orange);font-weight:500;margin-bottom:14px}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,transparent,var(--orange));transform:rotate(-8deg);display:inline-block}
.hero__title{font-size:clamp(32px,5vw,54px);max-width:18ch}
.hero__lead{font-size:clamp(16px,2vw,19px);color:var(--ink-2);max-width:58ch;margin:18px 0 28px}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap}
.hero__stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.hero__stats div{display:flex;flex-direction:column}
.hero__stats strong{font-size:18px} .hero__stats span{color:var(--muted);font-size:13.5px}
.hero__glow{position:absolute;inset-inline-end:-120px;top:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(227,160,25,.18),transparent 70%)}

.section{padding:70px 0}
.section__head{text-align:center;max-width:62ch;margin:0 auto 40px}
.section__head h2{font-size:clamp(24px,3vw,34px)} .section__head p{color:var(--muted)}

.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .2s,border-color .2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card__icon{width:46px;height:46px;border-radius:12px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.card__title{font-size:17px;margin-bottom:6px} .card__body{color:var(--ink-2);font-size:14.5px;margin:0}

.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.course-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .2s}
.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.course-card__cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--navy-3));display:grid;place-items:center;color:#fff}
.course-card__cover .mk{font-family:var(--mono);font-weight:600;opacity:.5;font-size:13px;letter-spacing:2px}
.course-card__body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.course-card__cat{font-size:12px;color:var(--orange);font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.course-card__title{font-size:16.5px;margin:6px 0 4px} .course-card__desc{color:var(--muted);font-size:13.5px;flex:1}
.course-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.price{font-weight:700;font-family:var(--mono)} .price--free{color:var(--ok)}

.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:20px;background:var(--surface-2);color:var(--ink-2);border:1px solid var(--line)}
.chip--ok{background:var(--ok-soft);color:var(--ok);border-color:transparent}
.chip--orange{background:var(--orange-soft);color:var(--orange);border-color:transparent}

.auth-wrap{min-height:calc(100vh - 140px);display:grid;place-items:center;padding:40px 20px}
.auth-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
.auth-card h1{font-size:24px;margin-bottom:4px} .auth-card .sub{color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);font-family:inherit;font-size:15px;background:var(--surface-2);color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid var(--orange);border-color:var(--orange);background:var(--surface)}
.field .hint{color:var(--muted);font-size:12.5px;margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.auth-alt{text-align:center;margin-top:18px;color:var(--muted);font-size:14px}
.auth-alt a{color:var(--orange);font-weight:600}

.flash{max-width:var(--container);margin:16px auto 0;padding:0 20px}
.alert{border-radius:var(--radius-sm);padding:13px 16px;font-size:14.5px;font-weight:500;border:1px solid transparent}
.alert--ok{background:var(--ok-soft);color:var(--ok)} .alert--err{background:var(--err-soft);color:var(--err)} .alert--warn{background:var(--warn-soft);color:var(--warn)}

.page-head{background:linear-gradient(180deg,var(--surface),var(--bg));border-bottom:1px solid var(--line);padding:40px 0 30px}
.page-head h1{font-size:clamp(24px,3vw,34px);margin-bottom:6px} .page-head p{color:var(--muted);margin:0}

.detail{display:grid;grid-template-columns:1fr 340px;gap:34px;align-items:start;padding:36px 0 70px}
.detail__main h2{font-size:20px;margin:28px 0 12px}
.curriculum{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.curriculum__sec{padding:14px 18px;border-bottom:1px solid var(--line);font-weight:600;background:var(--surface-2)}
.curriculum__lesson{padding:12px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;color:var(--ink-2);font-size:14.5px}
.curriculum__lesson:last-child{border-bottom:0}
.curriculum__lesson .dot{width:7px;height:7px;border-radius:50%;background:var(--orange)}
.buybox{position:sticky;top:84px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.buybox .price{font-size:30px;display:block;margin-bottom:14px}
.buybox ul{list-style:none;padding:0;margin:16px 0 0;color:var(--ink-2);font-size:14px}
.buybox li{padding:7px 0;border-top:1px solid var(--line);display:flex;gap:8px}

.dash{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:30px 0 70px}
.progress{height:8px;border-radius:6px;background:var(--line);overflow:hidden;margin-top:10px}
.progress__bar{height:100%;background:linear-gradient(90deg,var(--orange),var(--orange-2));border-radius:6px}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;padding:24px 0}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.stat strong{font-size:26px;display:block;font-family:var(--mono)} .stat span{color:var(--muted);font-size:13px}

.learn{display:grid;grid-template-columns:300px 1fr;min-height:calc(100vh - 64px)}
.learn__side{border-inline-end:1px solid var(--line);background:var(--surface);overflow-y:auto;max-height:calc(100vh - 64px)}
.learn__side h3{padding:18px 18px 8px;font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.learn__lesson{display:block;padding:11px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);font-size:14px}
.learn__lesson:hover{background:var(--surface-2)}
.learn__lesson.is-active{background:var(--orange-soft);color:var(--orange);font-weight:600;border-inline-start:3px solid var(--orange)}
.learn__lesson.is-done::before{content:"✓ ";color:var(--ok)}
.learn__main{padding:34px;max-width:860px}
.lesson-video{aspect-ratio:16/9;background:var(--navy);border-radius:var(--radius);display:grid;place-items:center;color:#fff;margin-bottom:24px}
.lesson-body{font-size:16px;line-height:1.8;color:var(--ink-2)}
.lesson-body h2,.lesson-body h3{color:var(--ink)}

.tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;padding:30px 0 70px}
.tool{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.tool h3{font-size:17px}
.tool .result{margin-top:14px;padding:14px;border-radius:var(--radius-sm);background:var(--orange-soft);color:var(--navy);font-family:var(--mono);font-size:20px;font-weight:600;text-align:center}
[data-theme="dark"] .tool .result{color:var(--orange-2)}

.footer{background:var(--navy);color:#C7D4EA;margin-top:40px}
.footer__inner{max-width:var(--container);margin:0 auto;padding:40px 20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.footer a{color:#C7D4EA} .footer a:hover{color:#fff}
.footer__meta{font-family:var(--mono);font-size:12.5px;opacity:.7}
.footer__brand{display:flex;align-items:center;gap:10px;font-weight:700;color:#fff}
.footer__brand img{height:30px}

.empty{text-align:center;padding:60px 20px;color:var(--muted)} .empty .big{font-size:40px;margin-bottom:10px}
.cta-band{background:linear-gradient(120deg,var(--navy),var(--navy-3));color:#fff;margin-top:20px}
.cta-band__inner{max-width:var(--container);margin:0 auto;padding:54px 20px;text-align:center}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:18px}

@media (max-width:900px){.detail{grid-template-columns:1fr}.buybox{position:static}.learn{grid-template-columns:1fr}.learn__side{max-height:none;border-inline-end:0;border-bottom:1px solid var(--line)}}
@media (max-width:720px){.nav__links{display:none}.nav__burger{display:grid}.nav__links.is-open{display:flex;position:absolute;top:62px;inset-inline:0;flex-direction:column;background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px;gap:2px}.form-row{grid-template-columns:1fr}.hero__stats{gap:20px}}

/* ---- Admin panel ---- */
.admin{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.admin__side{background:var(--navy);color:#C7D4EA;padding:18px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin__brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:700;padding:6px 8px 16px}
.admin__brand img{height:28px}
.admin-nav{display:flex;flex-direction:column;gap:3px}
.admin-nav a{padding:10px 12px;border-radius:9px;color:#C7D4EA;font-size:14.5px;font-weight:500}
.admin-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.admin-nav a.is-active{background:var(--orange);color:var(--navy);font-weight:600}
.admin-nav .sep{height:1px;background:rgba(255,255,255,.12);margin:10px 4px}
.admin__main{padding:30px 32px;max-width:1100px}
.admin__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.admin__head h1{font-size:24px;margin:0}
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:26px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.metric strong{font-size:26px;display:block;font-family:var(--mono);color:var(--ink)}
.metric span{color:var(--muted);font-size:13px}
.admin-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.admin-table{width:100%;border-collapse:collapse;font-size:14px}
.admin-table th{text-align:start;padding:10px 12px;border-bottom:2px solid var(--line);color:var(--muted);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.4px}
.admin-table td{padding:11px 12px;border-bottom:1px solid var(--line)}
.admin-table tr:hover td{background:var(--surface-2)}
.badge{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:20px}
.badge--active{background:var(--ok-soft);color:var(--ok)}
.badge--suspended{background:var(--err-soft);color:var(--err)}
.badge--draft{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.badge--published{background:var(--ok-soft);color:var(--ok)}
.admin__side .back{display:block;margin-top:14px;font-size:13px;color:#9DB2D6}
@media (max-width:820px){.admin{grid-template-columns:1fr}.admin__side{position:static;height:auto}}

/* ---- Media library (M20) ---- */
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.media-item{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface-2)}
.media-thumb{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;background:#0A1E3F0d;overflow:hidden}
.media-thumb img{width:100%;height:100%;object-fit:cover}
.media-ext{font-family:var(--mono);font-weight:600;color:var(--muted);font-size:18px}
.media-url{width:100%;border:0;border-top:1px solid var(--line);padding:7px 9px;font-size:11.5px;font-family:var(--mono);background:var(--surface);color:var(--ink)}
.media-meta{display:flex;align-items:center;justify-content:space-between;padding:6px 9px;font-size:12px;color:var(--muted)}

/* ============================================================
   FRONT-PAGE REDESIGN — "the model is the hero"
   Subject-grounded: spreadsheet grid, mono numbers, input-blue
   convention, ledger paper. Overrides earlier front-page rules.
   ============================================================ */
:root{ --tnum:"tnum" 1,"lnum" 1; --amber:var(--orange); --amber-2:var(--orange-2); }
.mono,.price,.hero__stats strong,.metric strong,.stat strong{font-feature-settings:var(--tnum);font-variant-numeric:tabular-nums}

/* Nav: quieter, glassy, tighter */
.nav{background:color-mix(in srgb,var(--surface) 86%,transparent);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px)}
.brand__name{letter-spacing:-.01em}
.nav__links a.is-active{color:var(--ink);position:relative}
.nav__links a.is-active::after{content:"";position:absolute;inset-inline:12px;bottom:2px;height:2px;background:var(--amber);border-radius:2px}

/* ---- Ledger / graph-paper backdrop ---- */
.ledger{position:relative}
.ledger::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(var(--ledger) 1px,transparent 1px),linear-gradient(90deg,var(--ledger) 1px,transparent 1px);
  background-size:30px 30px;-webkit-mask-image:radial-gradient(120% 90% at 70% 0%,#000 35%,transparent 78%);mask-image:radial-gradient(120% 90% at 70% 0%,#000 35%,transparent 78%)}

/* ---- HERO (split: pitch + live model) ---- */
.hero{background:radial-gradient(1100px 420px at 88% -20%,rgba(227,160,25,.10),transparent 60%),linear-gradient(180deg,var(--surface),var(--bg))}
.hero__inner{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding:78px 20px 72px}
.hero__copy{position:relative;z-index:1}
.hero__title{font-size:clamp(33px,4.6vw,52px);line-height:1.08;letter-spacing:-.025em;max-width:16ch}
.hero__title .accent{color:var(--amber);position:relative;white-space:nowrap}
.hero__title .accent::after{content:"";position:absolute;inset-inline:0;bottom:.04em;height:.10em;background:linear-gradient(90deg,var(--amber),transparent);border-radius:2px}
.hero__lead{font-size:clamp(16px,1.5vw,18.5px);color:var(--ink-2);max-width:50ch;margin:18px 0 26px;line-height:1.65}
.hero__cta .btn--solid{box-shadow:0 8px 20px -8px rgba(227,160,25,.7)}
.hero__trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero__trust .t{font-family:var(--mono);font-size:12px;letter-spacing:.2px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:7px 11px;display:flex;align-items:center;gap:7px}
.hero__trust .t b{color:var(--ink);font-weight:600}
.hero__trust .t .d{width:6px;height:6px;border-radius:50%;background:var(--ok)}

/* ---- Signature: the live financial-model card ---- */
.model{position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;font-family:var(--mono)}
.model__bar{display:flex;align-items:center;gap:7px;padding:11px 15px;background:var(--navy);color:#fff}
.model__bar .dot{width:9px;height:9px;border-radius:50%;background:#ffffff40}
.model__bar .dot--a{background:var(--amber)}
.model__bar .name{margin-inline-start:8px;font-size:12px;letter-spacing:.4px;opacity:.85}
.model__bar .tag{margin-inline-start:auto;font-size:10.5px;letter-spacing:.5px;text-transform:uppercase;color:var(--amber-2)}
.model__assump{display:flex;gap:8px;flex-wrap:wrap;padding:13px 15px;border-bottom:1px dashed var(--line);background:var(--surface-2)}
.model__chip{font-size:11.5px;border-radius:7px;padding:5px 9px;border:1px solid var(--input);color:var(--input);background:var(--input-soft);display:flex;gap:6px;align-items:center}
.model__chip b{color:var(--input);font-weight:600}
.model__chip .lbl{color:var(--muted);font-weight:500}
.model__grid{padding:6px 15px 4px}
.model__row{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:6px;align-items:baseline;padding:7px 0;font-size:13px;border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent)}
.model__row .k{color:var(--ink-2);font-family:var(--font);font-size:12.5px}
.model__row .v{text-align:end;color:var(--ink);font-variant-numeric:tabular-nums}
.model__row--head .v,.model__row--head .k{color:var(--muted);font-size:11px;letter-spacing:.4px;text-transform:uppercase}
.model__row--head{border-bottom:1px solid var(--line)}
.model__row--accent .k{color:var(--ink);font-weight:600}
.model__row--accent .v{color:var(--ink);font-weight:700}
.model__out{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:linear-gradient(100deg,var(--navy),var(--navy-3));color:#fff}
.model__out .lbl{font-size:11px;letter-spacing:.6px;text-transform:uppercase;opacity:.8}
.model__out .val{font-size:25px;font-weight:600;color:var(--amber-2);font-variant-numeric:tabular-nums}
.model__spark{display:flex;align-items:flex-end;gap:3px;height:30px}
.model__spark i{width:5px;background:linear-gradient(180deg,var(--amber-2),var(--amber));border-radius:2px;display:block;opacity:.92}

/* ---- Section rhythm ---- */
.section{padding:74px 0;position:relative}
.section__head{text-align:start;max-width:none;margin:0 0 34px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section__head .eyebrow{margin-bottom:8px}
.section__head h2{font-size:clamp(25px,3vw,34px);letter-spacing:-.02em;margin:0}
.section__head p{color:var(--muted);margin:0;max-width:46ch}

/* ---- Learning path (a real sequence — numbering is meaningful) ---- */
.path{position:relative}
.path__track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.path__step{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px 20px;box-shadow:var(--shadow-sm)}
.path__num{font-family:var(--mono);font-size:12px;color:var(--amber);font-weight:600;letter-spacing:1px}
.path__step h3{font-size:17px;margin:10px 0 6px;letter-spacing:-.01em}
.path__step p{color:var(--ink-2);font-size:14px;margin:0}
.path__step::after{content:"→";position:absolute;top:50%;inset-inline-end:-13px;transform:translateY(-50%);color:var(--line);font-size:18px;font-weight:700}
.path__step:last-child::after{display:none}
[dir="rtl"] .path__step::after{content:"←"}

/* ---- Feature cards (crisp, restrained) ---- */
.features__grid{gap:16px}
.card{border-radius:14px;padding:22px;transition:transform .14s,box-shadow .2s,border-color .2s}
.card:hover{border-color:color-mix(in srgb,var(--amber) 40%,var(--line))}
.card__icon{width:42px;height:42px;border-radius:11px;background:var(--surface-2);border:1px solid var(--line);color:var(--ink-2);display:grid;place-items:center;margin-bottom:14px}
.card__icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.6}
.card:hover .card__icon{background:var(--orange-soft);border-color:transparent;color:var(--amber)}
.card__title{font-size:16px;letter-spacing:-.01em}

/* ---- Course cards: branded model-grid cover when no thumbnail ---- */
.course-card{border-radius:14px}
.course-card__cover{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),var(--navy-3));overflow:hidden}
.course-card__cover::before{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:26px 22px;-webkit-mask-image:linear-gradient(160deg,#000,transparent 85%);mask-image:linear-gradient(160deg,#000,transparent 85%)}
.course-card__cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.course-card__lvl{position:absolute;inset-block-start:10px;inset-inline-start:10px;z-index:1;font-family:var(--mono);font-size:10.5px;letter-spacing:.5px;text-transform:uppercase;color:#fff;background:#0a1e3f80;border:1px solid #ffffff2e;padding:4px 9px;border-radius:7px;backdrop-filter:blur(4px)}
.course-card__spark{position:absolute;inset-block-end:0;inset-inline:0;height:34px;z-index:1;display:flex;align-items:flex-end;gap:3px;padding:0 12px 10px}
.course-card__spark i{flex:1;background:linear-gradient(180deg,var(--amber-2),transparent);border-radius:2px 2px 0 0;opacity:.85}
.course-card__cat{color:var(--amber)}
.course-card__title{font-size:16.5px;letter-spacing:-.01em}

/* ---- Course detail: meta strip + spec-sheet buybox ---- */
.detail__meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.detail__meta .m{font-family:var(--mono);font-size:12px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:6px 10px;display:flex;gap:7px;align-items:center}
.detail__meta .m b{color:var(--ink);font-weight:600}
.curriculum__sec{display:flex;align-items:center;gap:8px}
.buybox{border-radius:16px}
.buybox .price{font-family:var(--mono)}
.buybox ul li{align-items:flex-start}
.buybox ul li .ck{color:var(--ok);font-weight:700}

/* ---- CTA band on ledger paper ---- */
.cta-band{position:relative;overflow:hidden}
.cta-band .cta-band__inner{position:relative;z-index:1}
.cta-band::before{content:"";position:absolute;inset:0;opacity:.6;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:34px 34px;
  -webkit-mask-image:radial-gradient(80% 120% at 50% 0%,#000,transparent 75%);mask-image:radial-gradient(80% 120% at 50% 0%,#000,transparent 75%)}

/* ---- Footer: columns ---- */
.footer__inner{align-items:flex-start}

/* ---- Motion: hero reveal + spark grow (respects reduced-motion via earlier rule) ---- */
@keyframes riseIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes sparkGrow{from{transform:scaleY(.2);opacity:0}to{transform:scaleY(1);opacity:.92}}
.hero__copy>*{animation:riseIn .6s both}
.hero__copy>*:nth-child(2){animation-delay:.06s}.hero__copy>*:nth-child(3){animation-delay:.12s}.hero__copy>*:nth-child(4){animation-delay:.18s}.hero__copy>*:nth-child(5){animation-delay:.24s}
.model{animation:riseIn .7s .12s both}
.model__spark i,.course-card__spark i{transform-origin:bottom;animation:sparkGrow .5s both}

@media (max-width:940px){
  .hero__inner{grid-template-columns:1fr;gap:36px;padding:60px 20px 56px}
  .hero__title{max-width:20ch}
  .model{max-width:560px}
  .path__track{grid-template-columns:1fr 1fr}
  .path__step::after{display:none}
}
@media (max-width:560px){.path__track{grid-template-columns:1fr}}

/* ---- Mobile nav fit ---- */
.brand__name{white-space:nowrap}
@media (max-width:600px){
  .nav__inner{gap:10px;padding:10px 14px}
  .brand img{height:28px}
  .brand__name{font-size:15px}
  .nav__actions{gap:6px}
  .nav__actions .icon-btn{width:34px;height:34px}
  .nav__actions .btn--sm{padding:7px 11px;font-size:13px}
  /* logged-out: keep the primary CTA, fold "Sign in" into the burger menu area */
  .nav__actions a[href="/login"]{display:none}
}
@media (max-width:460px){ .brand__name{display:none} }