:root{
  --ink:#0B1B33;
  --ink-soft:#2A3A56;
  --bleu:#155EEF;
  --bleu-france:#0055A4;
  --rouge:#E1000F;
  --paper:#F5F6FA;
  --white:#FFFFFF;
  --slate:#5B6472;
  --line:#E2E5ED;
  --radius:14px;
  --max:1120px;
  --shadow:0 20px 50px -25px rgba(11,27,51,0.35);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  font-family:"IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
[dir="rtl"] body{ font-family:"IBM Plex Sans Arabic","IBM Plex Sans", Tahoma, sans-serif; }

h1,h2,h3,.display{
  font-family:"Fraunces", Georgia, serif;
  font-weight:600;
  color:var(--ink);
  margin:0;
  letter-spacing:-0.01em;
}
[dir="rtl"] h1,[dir="rtl"] h2,[dir="rtl"] h3{ letter-spacing:0; }

.mono{ font-family:"IBM Plex Mono", ui-monospace, SFMono-Regular, monospace; }

a{color:inherit;}
img{max-width:100%; display:block;}

.wrap{ max-width:var(--max); margin:0 auto; padding-inline:24px; }

:focus-visible{ outline:3px solid var(--bleu); outline-offset:3px; border-radius:4px; }

/* Tricolor ribbon signature device */
.ribbon{ height:5px; width:64px; border-radius:3px; overflow:hidden; display:flex; margin-block-end:18px; }
.ribbon span{flex:1;}
.ribbon .b{background:var(--bleu-france);}
.ribbon .w{background:#FFFFFF; border-block:1px solid var(--line);}
.ribbon .r{background:var(--rouge);}
section.dark .ribbon .w{border-color:rgba(255,255,255,0.25);}

.eyebrow{
  font-family:"IBM Plex Mono", monospace; font-size:12.5px; letter-spacing:0.14em;
  text-transform:uppercase; color:var(--bleu-france); font-weight:600;
}
[dir="rtl"] .eyebrow{ letter-spacing:0; }

/* Header */
header{ position:sticky; top:0; z-index:50; background:rgba(255,255,255,0.9); backdrop-filter:blur(10px); border-block-end:1px solid var(--line); }
.nav{ display:flex; align-items:center; justify-content:space-between; gap:16px; padding:14px 24px; max-width:var(--max); margin:0 auto; }
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand img{ height:26px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:26px; list-style:none; margin:0; padding:0; }
.nav-links a{ text-decoration:none; font-size:14.5px; color:var(--ink-soft); font-weight:500; white-space:nowrap; }
.nav-links a:hover{ color:var(--bleu); }
.nav-right{ display:flex; align-items:center; gap:14px; }

.lang-switch{ position:relative; }
.lang-switch summary{ list-style:none; cursor:pointer; font-size:13.5px; font-weight:600; color:var(--ink-soft); border:1px solid var(--line); border-radius:999px; padding:7px 14px; display:flex; align-items:center; gap:6px; }
.lang-switch summary::-webkit-details-marker{display:none;}
.lang-switch[open] summary{border-color:var(--ink);}
.lang-menu{ position:absolute; inset-inline-end:0; top:calc(100% + 8px); background:#fff; border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); padding:6px; min-width:170px; z-index:60; }
.lang-menu a{ display:block; padding:8px 12px; border-radius:8px; font-size:14px; text-decoration:none; color:var(--ink-soft); }
.lang-menu a:hover{ background:var(--paper); color:var(--ink); }
.lang-menu a.current{ color:var(--bleu); font-weight:600; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:12px 22px; border-radius:999px;
  font-weight:600; font-size:14.5px; text-decoration:none; border:1px solid transparent; cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{ background:var(--ink); color:var(--white); }
.btn-primary:hover{ background:var(--bleu); transform:translateY(-1px); box-shadow:var(--shadow); }
.btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--ink); }
.btn-sm{ padding:9px 16px; font-size:13.5px; }

.menu-toggle{ display:none; background:none; border:none; cursor:pointer; padding:6px; }

/* Hero */
.hero{ padding:64px 0 80px; background:radial-gradient(1100px 480px at 82% -10%, rgba(21,94,239,0.10), transparent 60%), var(--white); border-block-end:1px solid var(--line); }
[dir="rtl"] .hero{ background:radial-gradient(1100px 480px at 18% -10%, rgba(21,94,239,0.10), transparent 60%), var(--white); }
.hero-grid{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:52px; align-items:center; }
.hero h1{ font-size:clamp(32px, 4.4vw, 50px); line-height:1.08; }
.hero h1 .accent{ color:var(--bleu); }
.hero p.lead{ margin-block-start:18px; font-size:17.5px; color:var(--slate); max-width:52ch; }
.hero-cta{ display:flex; align-items:center; gap:16px; margin-block-start:28px; flex-wrap:wrap; }
.hero-note{ font-size:13.5px; color:var(--slate); margin-block-start:14px; }
.badge-row{ display:flex; gap:8px; flex-wrap:wrap; margin-block-end:16px; }
.badge-pill{ font-family:"IBM Plex Mono",monospace; font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--bleu-france); border:1px solid var(--line); border-radius:999px; padding:5px 12px; }

/* Certificate mockup */
.cert{ background:var(--white); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow); overflow:hidden; position:relative; }
.cert-ribbon{ height:8px; display:flex; }
.cert-ribbon span{flex:1;}
.cert-ribbon .b{background:var(--bleu-france);}
.cert-ribbon .w{background:#fff;}
.cert-ribbon .r{background:var(--rouge);}
.cert-body{ padding:26px 26px 22px; }
.cert-top{ display:flex; align-items:flex-start; justify-content:space-between; }
.cert-label{ font-family:"IBM Plex Mono", monospace; font-size:11.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--slate); }
.cert-level{ margin-block-start:16px; display:flex; align-items:baseline; gap:10px; }
.cert-level .num{ font-family:"Fraunces", serif; font-size:50px; font-weight:600; color:var(--ink); line-height:1; }
.cert-level .lab{ font-size:13.5px; color:var(--slate); }
.cert-skills{ margin-block-start:22px; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.skill-row{ display:flex; align-items:center; justify-content:space-between; gap:8px; border:1px solid var(--line); border-radius:10px; padding:10px 12px; font-size:12.5px; }
.skill-row .track{ width:52px; height:5px; border-radius:3px; background:var(--paper); overflow:hidden; flex-shrink:0; }
.skill-row .fill{ height:100%; background:var(--bleu); }
.cert-seal{ position:absolute; inset-inline-end:20px; top:74px; width:60px; height:60px; border-radius:50%; border:2px solid var(--rouge); display:flex; align-items:center; justify-content:center; transform:rotate(-8deg); background:rgba(225,0,15,0.03); }
.cert-seal span{ font-family:"IBM Plex Mono", monospace; font-size:8.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--rouge); text-align:center; line-height:1.25; font-weight:600; }

/* Sections */
section{ padding:76px 0; }
section.dark{ background:var(--ink); color:var(--white); border-block-end:1px solid rgba(255,255,255,0.08); }
section.dark .slate{ color:rgba(255,255,255,0.68); }
section.paper{ background:var(--paper); }
section + section{ border-block-start:1px solid var(--line); }

.section-head{ max-width:640px; margin-block-end:44px; }
.section-head h2{ font-size:clamp(24px,3vw,34px); line-height:1.18; }
.section-head p{ color:var(--slate); margin-block-start:14px; font-size:16px; }
section.dark .section-head p{ color:rgba(255,255,255,0.68); }

/* audience / modules */
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.info-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:24px 22px; }
.info-card h3{ font-size:18px; margin-block-end:10px; }
.info-card p{ font-size:14.5px; color:var(--slate); margin:0; }

.modules-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.module-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:22px 18px; position:relative; }
.module-card .tag{ display:inline-block; font-family:"IBM Plex Mono",monospace; font-size:10.5px; letter-spacing:.07em; text-transform:uppercase; color:var(--bleu-france); border:1px solid var(--line); border-radius:999px; padding:4px 10px; margin-block-end:14px; }
.module-card h3{ font-size:17px; margin-block-end:8px; }
.module-card p{ font-size:13.5px; color:var(--slate); margin:0; }
.module-card .req{ position:absolute; top:18px; inset-inline-end:16px; font-size:10.5px; font-family:"IBM Plex Mono",monospace; color:var(--bleu); }
.module-card .opt{ position:absolute; top:18px; inset-inline-end:16px; font-size:10.5px; font-family:"IBM Plex Mono",monospace; color:var(--slate); }

/* steps */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
.step{ padding-inline-end:20px; position:relative; }
.step:not(:last-child)::after{ content:""; position:absolute; top:19px; inset-inline-end:-2px; width:calc(100% - 44px); height:1px; background:var(--line); }
.step-num{ font-family:"IBM Plex Mono", monospace; font-size:13px; color:var(--bleu); font-weight:600; width:38px; height:38px; border:1px solid var(--line); border-radius:50%; display:flex; align-items:center; justify-content:center; margin-block-end:18px; background:var(--white); position:relative; z-index:1; }
.step h3{ font-size:16.5px; margin-block-end:8px; }
.step p{ font-size:14px; color:var(--slate); margin:0; }

/* pricing */
.pricing-card{ background:var(--white); border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow); padding:40px; max-width:560px; margin:0 auto; text-align:center; position:relative; overflow:hidden; }
.pricing-card::before{ content:""; position:absolute; top:0; inset-inline:0; height:6px; background:linear-gradient(90deg, var(--bleu-france) 0 33%, #fff 33% 67%, var(--rouge) 67% 100%); }
.pricing-card .badge{ display:inline-block; font-family:"IBM Plex Mono",monospace; font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--bleu); background:rgba(21,94,239,0.08); border-radius:999px; padding:6px 14px; margin-block-end:18px; }
.pricing-card h2{ font-size:28px; }
.pricing-card .price{ font-family:"Fraunces",serif; font-size:46px; font-weight:600; margin-block-start:12px; color:var(--ink); }
.pricing-card .price small{ font-size:15px; font-weight:400; color:var(--slate); }
.pricing-list{ list-style:none; padding:0; margin:24px 0 28px; text-align:start; display:grid; gap:12px; max-width:380px; margin-inline:auto; }
.pricing-list li{ display:flex; gap:10px; font-size:14px; color:var(--ink-soft); }
.pricing-list svg{ flex-shrink:0; width:18px; height:18px; color:var(--bleu); margin-block-start:2px; }

.waitlist-form{ display:flex; gap:10px; max-width:400px; margin:0 auto; flex-wrap:wrap; justify-content:center; }
.waitlist-form input[type=email]{ flex:1; min-width:220px; padding:12px 16px; border-radius:999px; border:1px solid var(--line); font-family:inherit; font-size:14.5px; background:var(--paper); }
.waitlist-form input[type=email]:focus{ outline:3px solid var(--bleu); outline-offset:2px; background:#fff; }
.form-note{ font-size:12.5px; color:var(--slate); margin-block-start:12px; }
.form-success{ display:none; font-size:14px; color:var(--bleu-france); margin-block-start:14px; font-weight:600; }

/* faq */
.faq{ max-width:760px; margin:0 auto; }
.faq-item{ border-block-end:1px solid var(--line); padding:20px 0; }
.faq-item summary{ cursor:pointer; list-style:none; display:flex; align-items:center; justify-content:space-between; gap:12px; font-family:"Fraunces",serif; font-size:17.5px; font-weight:600; color:var(--ink); }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item .plus{ font-size:20px; color:var(--bleu); transition:transform .2s ease; font-family:monospace; flex-shrink:0; }
.faq-item[open] .plus{ transform:rotate(45deg); }
.faq-item p{ margin:12px 0 0; color:var(--slate); font-size:14.5px; max-width:64ch; }

/* final cta */
.final-cta{ text-align:center; padding:80px 0; }
.final-cta h2{ font-size:clamp(26px,4vw,40px); max-width:760px; margin:0 auto 16px; }
.final-cta p{ color:rgba(255,255,255,0.68); max-width:520px; margin:0 auto 30px; font-size:16px; }

footer{ background:var(--ink); color:rgba(255,255,255,0.7); padding:54px 0 28px; font-size:14px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; }
.footer-brand{ display:flex; align-items:center; gap:10px; margin-block-end:14px; }
.footer-brand img{ height:22px; }
footer p{ color:rgba(255,255,255,0.55); max-width:34ch; font-size:13.5px; }
footer h4{ font-family:"IBM Plex Mono",monospace; font-size:12px; text-transform:uppercase; letter-spacing:.08em; color:rgba(255,255,255,0.5); margin-block-end:16px; }
[dir="rtl"] footer h4{ letter-spacing:0; }
footer ul{ list-style:none; padding:0; margin:0; display:grid; gap:10px; }
footer a{ text-decoration:none; color:rgba(255,255,255,0.75); }
footer a:hover{ color:#fff; }
.footer-bottom{ margin-block-start:44px; padding-block-start:22px; border-block-start:1px solid rgba(255,255,255,0.1); display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12.5px; color:rgba(255,255,255,0.45); }
.footer-disclaimer{ margin-block-start:16px; font-size:11.5px; color:rgba(255,255,255,0.4); max-width:900px; line-height:1.7; }

/* 404 */
.error-page{ min-height:60vh; display:flex; align-items:center; justify-content:center; text-align:center; padding:80px 24px; }
.error-page .code{ font-family:"Fraunces",serif; font-size:clamp(64px,14vw,140px); font-weight:600; color:var(--ink); line-height:1; }
.error-page .code .accent{ color:var(--bleu); }
.error-page h1{ font-size:clamp(22px,3vw,30px); margin-block-start:8px; }
.error-page p{ color:var(--slate); margin-block-start:12px; max-width:48ch; margin-inline:auto; }
.error-actions{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-block-start:28px; }
.error-links{ margin-block-start:36px; display:flex; gap:18px; flex-wrap:wrap; justify-content:center; font-size:14px; }
.error-links a{ text-decoration:none; color:var(--bleu-france); }
.error-links a:hover{ text-decoration:underline; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns:1fr; }
  .two-col{ grid-template-columns:1fr; }
  .modules-grid{ grid-template-columns:repeat(2,1fr); }
  .steps{ grid-template-columns:repeat(2,1fr); row-gap:32px; }
  .step:nth-child(2)::after{ display:none; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .nav-links{ display:none; }
  .menu-toggle{ display:block; }
}
@media (max-width: 560px){
  .modules-grid{ grid-template-columns:1fr; }
  .steps{ grid-template-columns:1fr; }
  .step::after{ display:none; }
  .footer-grid{ grid-template-columns:1fr; }
  .pricing-card{ padding:30px 22px; }
  .cert-seal{ display:none; }
}