/* ==========================================================================
   Cairo Syntax — Design System
   ========================================================================== */

:root {
  --ink-900: #0b1220;
  --ink-800: #121b2e;
  --ink-700: #1c2942;
  --ink-600: #2b3a5a;
  --paper-0: #ffffff;
  --paper-50: #f7f8fb;
  --paper-100: #eef1f7;
  --line-200: #dde2ec;
  --text-900: #0f1729;
  --text-600: #4b5670;
  --text-400: #8590a8;
  --teal-500: #0fb8ac;
  --teal-600: #0c9a90;
  --teal-100: #e2f7f5;
  --gold-500: #e8a33d;
  --gold-600: #cf8c28;
  --coral-500: #ef6a5b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 41, 0.06), 0 1px 1px rgba(15, 23, 41, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 23, 41, 0.10);
  --shadow-lg: 0 20px 48px rgba(15, 23, 41, 0.16);
  --maxw: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper-0: #0b1220;
    --paper-50: #0e1626;
    --paper-100: #121b2e;
    --line-200: #223052;
    --text-900: #eef1f7;
    --text-600: #b3bdd3;
    --text-400: #7f8bab;
    --teal-100: #10312e;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.45);
    --shadow-lg: 0 20px 48px rgba(0,0,0,0.55);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-900);
  background: var(--paper-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -0.01em; }
p { margin: 0; }

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-600);
  background: var(--teal-100);
  padding: 6px 14px;
  border-radius: 100px;
}

.section {
  padding: 88px 0;
}
.section--tight { padding: 56px 0; }
.section--alt { background: var(--paper-50); }

.section-head {
  max-width: 640px;
  margin: 0 0 48px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 {
  font-size: clamp(28px, 3.2vw, 38px);
  margin-top: 14px;
}
.section-head p {
  color: var(--text-600);
  font-size: 17px;
  margin-top: 14px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--gold-500);
  color: var(--ink-900);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--gold-600); box-shadow: var(--shadow-md); }
.btn-ghost {
  background: transparent;
  color: var(--paper-0);
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.7); }
.btn-outline {
  background: transparent;
  color: var(--text-900);
  border-color: var(--line-200);
}
.btn-outline:hover { border-color: var(--teal-500); color: var(--teal-600); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* ---- Header / Nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink-900);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-0);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--teal-500), var(--gold-500));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-900);
  font-weight: 800;
  font-size: 16px;
}
.brand-sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-400);
  letter-spacing: 0.04em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a {
  color: rgba(255,255,255,0.82);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active { color: var(--paper-0); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--paper-0);
  cursor: pointer;
  padding: 6px;
}
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-cta .btn-outline-mobile-hide { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-menu.is-open {
    display: flex;
  }
}
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 2px;
  background: var(--ink-800);
  padding: 10px 24px 22px;
}
.mobile-menu a {
  color: rgba(255,255,255,0.85);
  padding: 12px 0;
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

/* ---- Hero ---- */
.hero {
  background: radial-gradient(ellipse 900px 500px at 15% -10%, rgba(15,184,172,0.35), transparent),
              radial-gradient(ellipse 700px 500px at 100% 0%, rgba(232,163,61,0.20), transparent),
              var(--ink-900);
  color: var(--paper-0);
  padding: 96px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero h1 {
  font-size: clamp(34px, 4.6vw, 54px);
  margin-top: 18px;
}
.hero h1 span { color: var(--teal-500); }
.hero p.lead {
  margin-top: 20px;
  font-size: 18px;
  color: rgba(255,255,255,0.78);
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-size: 26px;
  font-weight: 800;
  color: var(--paper-0);
}
.hero-stat .label {
  font-size: 13px;
  color: var(--text-400);
  margin-top: 2px;
}

.hero-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(6px);
}
.hero-card-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.hero-card-row:last-child { border-bottom: none; }
.hero-card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(15,184,172,0.18);
  color: var(--teal-500);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.hero-card-title { color: var(--paper-0); font-weight: 600; font-size: 15px; }
.hero-card-sub { color: var(--text-400); font-size: 13.5px; margin-top: 3px; }

/* ---- Logo / trust strip ---- */
.trust-strip {
  padding: 30px 0;
  border-bottom: 1px solid var(--line-200);
}
.trust-strip .wrap {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.trust-strip .label {
  font-size: 13px;
  color: var(--text-400);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.trust-logos {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--text-400);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
}

/* ---- Cards / grids ---- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper-0);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.icon-tile {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.icon-tile.teal { background: var(--teal-100); color: var(--teal-600); }
.icon-tile.gold { background: rgba(232,163,61,0.16); color: var(--gold-600); }
.icon-tile.coral { background: rgba(239,106,91,0.14); color: var(--coral-500); }

.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--text-600); font-size: 15px; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.tag {
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--paper-100);
  color: var(--text-600);
}

/* ---- Program cards (bigger, with format pills) ---- */
.program-card {
  background: var(--paper-0);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.program-card .top-tag {
  align-self: flex-start;
  margin-bottom: 16px;
}
.program-card h3 { font-size: 22px; margin-bottom: 10px; }
.program-card p { color: var(--text-600); font-size: 15px; flex-grow: 1; }
.program-list { margin: 20px 0; display: flex; flex-direction: column; gap: 10px; }
.program-list li { display: flex; gap: 10px; font-size: 14.5px; color: var(--text-900); align-items: flex-start; }
.program-list svg { flex-shrink: 0; margin-top: 3px; color: var(--teal-600); }
.program-card .formats { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; margin-bottom: 20px; }

/* ---- Steps ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step {
  position: relative;
  padding: 26px 22px;
  background: var(--paper-0);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-md);
}
.step .step-num {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--ink-900);
  color: var(--paper-0);
  font-weight: 700;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-600); }

/* ---- CTA banner ---- */
.cta-banner {
  background: linear-gradient(120deg, var(--ink-900), var(--ink-700));
  border-radius: var(--radius-lg);
  padding: 56px;
  color: var(--paper-0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h3 { font-size: 26px; max-width: 480px; }
.cta-banner p { color: var(--text-400); margin-top: 10px; max-width: 480px; }

/* ---- Split feature ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }
.split .art {
  background: var(--paper-100);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: 26px;
}
.feature-list { display: flex; flex-direction: column; gap: 22px; margin-top: 28px; }
.feature-item { display: flex; gap: 16px; }
.feature-item .dot {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--teal-100);
  color: var(--teal-600);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.feature-item h4 { font-size: 16.5px; margin-bottom: 5px; }
.feature-item p { font-size: 14.5px; color: var(--text-600); }

/* ---- Portal mock UI ---- */
.portal-mock {
  background: var(--ink-900);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-lg);
}
.portal-mock .mock-bar {
  display: flex;
  gap: 6px;
  padding: 4px 6px 14px;
}
.portal-mock .mock-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.18); }
.portal-mock .mock-screen {
  background: var(--paper-0);
  border-radius: 12px;
  padding: 20px;
}
.mock-course {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: 10px;
  background: var(--paper-50);
  margin-bottom: 10px;
}
.mock-course .thumb {
  width: 44px; height: 44px;
  border-radius: 8px;
  flex-shrink: 0;
}
.mock-course .thumb.a { background: linear-gradient(135deg,#0fb8ac,#0c9a90); }
.mock-course .thumb.b { background: linear-gradient(135deg,#e8a33d,#cf8c28); }
.mock-course .thumb.c { background: linear-gradient(135deg,#ef6a5b,#d94f3e); }
.mock-course .title { font-size: 13.5px; font-weight: 600; }
.mock-course .sub { font-size: 12px; color: var(--text-400); margin-top: 2px; }
.mock-progress {
  height: 6px;
  border-radius: 4px;
  background: var(--line-200);
  overflow: hidden;
  margin-top: 6px;
  width: 130px;
}
.mock-progress span { display: block; height: 100%; background: var(--teal-500); }

/* ---- Pricing-ish / model cards for solutions ---- */
.model-card {
  border: 1px solid var(--line-200);
  border-radius: var(--radius-md);
  padding: 28px;
  background: var(--paper-0);
}
.model-card.highlight {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px var(--teal-100);
}

/* ---- Forms ---- */
.form-panel {
  background: var(--paper-0);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text-900);
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-200);
  background: var(--paper-50);
  color: var(--text-900);
  font-family: inherit;
  font-size: 15px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px var(--teal-100);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
.form-note { font-size: 13px; color: var(--text-400); margin-top: 14px; }
.form-success {
  display: none;
  background: var(--teal-100);
  color: var(--teal-600);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}
.form-success.is-visible { display: block; }

/* ---- Testimonial ---- */
.quote-card {
  background: var(--paper-0);
  border: 1px solid var(--line-200);
  border-radius: var(--radius-lg);
  padding: 34px;
}
.quote-card p.quote { font-size: 17px; color: var(--text-900); }
.quote-by { display: flex; align-items: center; gap: 12px; margin-top: 20px; }
.quote-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-500), var(--gold-500));
}
.quote-name { font-weight: 700; font-size: 14.5px; }
.quote-role { font-size: 13px; color: var(--text-400); }

/* ---- Timeline (About) ---- */
.timeline { border-left: 2px solid var(--line-200); padding-left: 28px; display: flex; flex-direction: column; gap: 30px; }
.timeline-item { position: relative; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -34px; top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--teal-500);
  border: 3px solid var(--teal-100);
}
.timeline-item h4 { font-size: 16px; }
.timeline-item p { font-size: 14.5px; color: var(--text-600); margin-top: 6px; }

/* ---- Footer ---- */
.site-footer {
  background: var(--ink-900);
  color: rgba(255,255,255,0.72);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h5 {
  color: var(--paper-0);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-grid ul { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { font-size: 14.5px; color: rgba(255,255,255,0.68); }
.footer-grid a:hover { color: var(--paper-0); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 48px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13.5px;
  color: var(--text-400);
}
.social-row { display: flex; gap: 10px; }
.social-row a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: flex; align-items: center; justify-content: center;
}

/* ---- Page hero (inner pages) ---- */
.page-hero {
  background: var(--ink-900);
  color: var(--paper-0);
  padding: 64px 0 56px;
}
.page-hero .eyebrow { background: rgba(15,184,172,0.16); color: var(--teal-500); }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); margin-top: 16px; }
.page-hero p { color: var(--text-400); font-size: 17px; margin-top: 16px; max-width: 620px; }
.breadcrumb { font-size: 13.5px; color: var(--text-400); margin-bottom: 4px; }
.breadcrumb a:hover { color: var(--paper-0); }

/* ---- Badges for formats ---- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
}
.pill.online { background: var(--teal-100); color: var(--teal-600); }
.pill.onprem { background: rgba(232,163,61,0.16); color: var(--gold-600); }
.pill.live { background: rgba(239,106,91,0.14); color: var(--coral-500); }
.pill.b2b { background: var(--paper-100); color: var(--text-600); }

/* ---- Utility ---- */
.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mt-48{margin-top:48px}
.center-text{text-align:center}
.divider { height: 1px; background: var(--line-200); margin: 0; }