/* ==========================================================================
   Altaf Consigliere Fiscale — UAE Tax Masterclass 2026
   Shared stylesheet. Brand palette extracted from official course-book logos:
   maroon #5c1a1b, teal #2b858d, gray #939ea6.
   ========================================================================== */

:root {
  --maroon: #5c1a1b;
  --maroon-dark: #431313;
  --maroon-tint: #f4e9e8;
  --teal: #2b858d;
  --teal-dark: #206066;
  --teal-tint: #e7f3f3;
  --gray: #939ea6;
  --gray-dark: #5b6469;
  --ink: #201a19;
  --paper: #fbf9f7;
  --paper-alt: #f4efeb;
  --line: #e4dcd6;
  --white: #ffffff;
  --green: #2e7d4f;
  --red: #b3382c;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(60, 30, 20, 0.08);
  --shadow-lift: 0 10px 30px rgba(60, 30, 20, 0.14);
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Source Sans 3", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: "Poppins", "Source Sans 3", sans-serif;
  color: var(--maroon);
  line-height: 1.25;
  margin: 0 0 0.5em;
}

a { color: var(--teal-dark); }

p { margin: 0 0 1em; }

ul { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: 0.35em; }

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------------- Header / brand lockup ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 249, 247, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* Brand lockup: two logos, bottom-aligned so their true text baselines
   coincide (both PNGs are pre-cropped tight to their ink bounding box —
   see altaf-logo-baseline-alignment skill). Heights follow the skill's
   112:100 ratio between the altaf.ai wordmark and the CF logo. */
.brand-lockup {
  display: flex;
  align-items: flex-end;
  gap: 18px;
  text-decoration: none;
}

.brand-lockup img.logo-cf { height: 34px; display: block; }
.brand-lockup img.logo-ai { height: 38px; display: block; }

.brand-divider {
  width: 1px;
  align-self: stretch;
  background: var(--line);
  margin: 2px 0;
}

.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a {
  color: var(--gray-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
}
.site-nav a.active, .site-nav a:hover { color: var(--maroon); }

.module-jump {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--maroon);
  background: var(--paper-alt);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 7px 14px;
  max-width: 220px;
  cursor: pointer;
}
.module-jump:hover { border-color: var(--teal); }

.auth-user-pill {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.8rem; color: var(--gray-dark);
}
.auth-user-email { font-weight: 600; color: var(--ink); }
.auth-signout-btn {
  background: transparent; border: 1px solid var(--line); color: var(--gray-dark);
  border-radius: 100px; padding: 4px 12px; font-size: 0.76rem; font-weight: 600; cursor: pointer;
}
.auth-signout-btn:hover { border-color: var(--maroon); color: var(--maroon); }

.setup-banner {
  background: #fff3cd; color: #7a5b00; border-bottom: 1px solid #f0d878;
  text-align: center; font-size: 0.82rem; font-weight: 600; padding: 8px 16px;
}

.site-nav__badge {
  background: var(--teal-tint);
  color: var(--teal-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Hero brand lockup — larger, per skill's 100px/112px desktop reference */
.hero-lockup { display: flex; align-items: flex-end; gap: 26px; margin-bottom: 28px; }
.hero-lockup img.logo-cf { height: 64px; }
.hero-lockup img.logo-ai { height: 71.68px; } /* 64 * 112/100 */

@media (max-width: 560px) {
  .hero-lockup img.logo-cf { height: 48px; }
  .hero-lockup img.logo-ai { height: 53.76px; }
}

/* ---------------- Hero ---------------- */

.hero {
  background: linear-gradient(160deg, var(--maroon) 0%, var(--maroon-dark) 60%, #351010 100%);
  color: var(--white);
  padding: 64px 0 72px;
}
.hero h1 { color: var(--white); font-size: 2.3rem; max-width: 720px; }
.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: #e8c9c4;
  margin-bottom: 14px;
}
.hero p.lede { color: #f0dcd8; max-width: 620px; font-size: 1.08rem; }

.hero-stats { display: flex; gap: 28px; margin-top: 34px; flex-wrap: wrap; }
.hero-stat { }
.hero-stat .n { font-family: "Poppins", sans-serif; font-size: 1.6rem; font-weight: 700; color: var(--white); }
.hero-stat .l { font-size: 0.82rem; color: #e8c9c4; text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------------- Section shells ---------------- */

.section { padding: 52px 0; }
.section-alt { background: var(--paper-alt); }
.section-title-row { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 22px; flex-wrap: wrap; gap: 10px;}
.section-title-row h2 { margin: 0; font-size: 1.5rem; }
.section-title-row .sub { color: var(--gray-dark); font-size: 0.95rem; }

/* ---------------- Session / module cards on landing page ---------------- */

.session-block { margin-bottom: 36px; }
.session-block__label {
  font-weight: 700; color: var(--teal-dark); text-transform: uppercase;
  letter-spacing: 0.08em; font-size: 0.78rem; margin-bottom: 10px;
}

.module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }

.module-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .15s ease, box-shadow .15s ease;
  position: relative;
}
.module-card:not(.locked):hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }

.module-card .tag {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--teal-dark); background: var(--teal-tint); display: inline-block;
  padding: 3px 9px; border-radius: 100px; width: fit-content;
}
.module-card h3 { font-size: 1.12rem; margin: 2px 0 0; }
.module-card p.desc { color: var(--gray-dark); font-size: 0.9rem; margin: 0; flex-grow: 1; }
.module-card .meta { font-size: 0.8rem; color: var(--gray); }

.module-card.locked { opacity: 0.62; cursor: default; }
.module-card.locked .tag { background: #ece7e2; color: var(--gray-dark); }
.module-card.locked::after {
  content: "Coming soon"; position: absolute; top: 18px; right: 18px;
  font-size: 0.7rem; font-weight: 700; color: var(--gray-dark);
}

/* ---------------- Progress bar ---------------- */

.progress-wrap { display: flex; align-items: center; gap: 10px; }
.progress-track {
  flex-grow: 1; height: 9px; background: var(--paper-alt); border: 1px solid var(--line);
  border-radius: 100px; overflow: hidden;
}
.progress-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--teal-dark) 100%);
  width: 0%;
  transition: width .45s cubic-bezier(.4,0,.2,1);
}
.progress-fill.complete { background: linear-gradient(90deg, #2e7d4f 0%, #235f3d 100%); }
.progress-pct { font-weight: 700; font-size: 0.85rem; color: var(--teal-dark); min-width: 3.2em; text-align: right; }
.progress-pct.complete { color: var(--green); }

.module-card .progress-wrap { margin-top: 2px; }

/* Sticky module progress bar under header on module pages */
.module-progress-bar {
  position: sticky; top: 63px; z-index: 40;
  background: var(--white); border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.module-progress-bar__inner {
  max-width: 980px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 16px;
}
.module-progress-bar__label { font-weight: 700; font-size: 0.86rem; color: var(--maroon); white-space: nowrap; }
.module-progress-bar__hint { font-size: 0.78rem; color: var(--gray-dark); white-space: nowrap; }

/* ---------------- Module page layout ---------------- */

.module-hero { padding: 40px 0 8px; }
.module-hero .breadcrumb { font-size: 0.85rem; color: var(--gray-dark); margin-bottom: 10px; }
.module-hero .breadcrumb a { color: var(--gray-dark); }
.module-hero h1 { font-size: 1.9rem; }
.module-hero .duration { color: var(--teal-dark); font-weight: 700; font-size: 0.9rem; }

.content-flow { display: flex; flex-direction: column; gap: 20px; padding: 30px 0 70px; }

/* ---------------- Reveal card (content sections) ---------------- */

.reveal-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
}
.reveal-card__head {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 22px; cursor: pointer; user-select: none;
}
.reveal-card__head:hover { background: var(--paper-alt); }
.reveal-card__title { display: flex; align-items: center; gap: 12px; }
.reveal-card__num {
  flex: none; width: 30px; height: 30px; border-radius: 50%;
  background: var(--maroon-tint); color: var(--maroon); font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}
.reveal-card.done .reveal-card__num { background: var(--teal); color: var(--white); }
.reveal-card__title h4 { margin: 0; font-size: 1.05rem; color: var(--ink); }
.reveal-card__teaser { font-size: 0.85rem; color: var(--gray-dark); margin: 2px 0 0; }
.reveal-card__chevron { flex: none; color: var(--gray); transition: transform .2s ease; font-size: 1.1rem; }
.reveal-card.open .reveal-card__chevron { transform: rotate(180deg); }

.reveal-card__body {
  max-height: 0; overflow: hidden; transition: max-height .35s ease;
  border-top: 1px solid transparent;
}
.reveal-card.open .reveal-card__body { border-top-color: var(--line); }
.reveal-card__body-inner { padding: 20px 22px 24px; }
.reveal-card__body-inner h5 { color: var(--teal-dark); font-size: 0.95rem; margin: 16px 0 6px; }
.reveal-card__body-inner h5:first-child { margin-top: 0; }

.done-check { display: none; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 700; color: var(--green); }
.reveal-card.done .done-check { display: inline-flex; }

/* ---------------- Illustration panel (progressive layer reveal) ---------------- */

.illustration-panel {
  background: linear-gradient(180deg, var(--teal-tint) 0%, var(--white) 140px);
  border: 1px solid #cfe3e3; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden;
}
.illustration-panel__head { padding: 20px 22px 6px; }
.illustration-panel__label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--teal-dark);
}
.illustration-panel__head h4 { margin: 4px 0 10px; font-size: 1.08rem; color: var(--maroon); }
.illustration-panel__scenario {
  background: var(--white); border: 1px dashed #b9d6d6; border-radius: 10px;
  padding: 14px 16px; font-size: 0.94rem; color: var(--ink);
}
.illustration-panel__scenario b { color: var(--maroon); }

.illustration-panel__question {
  padding: 16px 22px 4px; font-weight: 700; color: var(--ink); font-size: 0.98rem;
}

.layers { padding: 6px 22px 4px; display: flex; flex-direction: column; gap: 10px; }
.layer {
  display: flex; gap: 10px; opacity: 0; transform: translateY(6px);
  max-height: 0; overflow: hidden; transition: opacity .4s ease, transform .4s ease, max-height .4s ease;
}
.layer.shown { opacity: 1; transform: translateY(0); max-height: 200px; }
.layer .dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); margin-top: 7px; }
.layer .txt { font-size: 0.93rem; }

.reveal-next-btn {
  margin: 10px 22px 20px; align-self: flex-start;
  background: var(--teal); color: var(--white); border: none; border-radius: 100px;
  padding: 10px 20px; font-weight: 700; font-size: 0.88rem; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: 0 3px 10px rgba(43,133,141,0.3);
  transition: background .15s ease, transform .1s ease;
}
.reveal-next-btn:hover { background: var(--teal-dark); }
.reveal-next-btn:active { transform: scale(0.98); }
.reveal-next-btn[disabled] { display: none; }
.reveal-next-btn .step-count { opacity: 0.85; font-weight: 600; font-size: 0.8rem; }

/* ---------------- MCQ ---------------- */

.mcq {
  margin: 4px 22px 22px; padding: 18px; background: var(--paper-alt);
  border-radius: 12px; border: 1px solid var(--line);
}
.mcq.locked { opacity: 0.5; }
.mcq__lock-note { font-size: 0.82rem; color: var(--gray-dark); font-style: italic; }
.mcq__prompt { font-weight: 700; margin-bottom: 12px; color: var(--maroon); font-size: 0.98rem; }
.mcq__options { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.mcq__option {
  display: flex; align-items: flex-start; gap: 10px; background: var(--white);
  border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px;
  cursor: pointer; font-size: 0.92rem; transition: border-color .15s ease, background .15s ease;
}
.mcq__option:hover { border-color: var(--teal); }
.mcq__option input { margin-top: 3px; accent-color: var(--teal-dark); flex: none; }
.mcq__option.selected { border-color: var(--teal); background: var(--teal-tint); }

.mcq__option.correct-answer { border-color: var(--green); background: #e9f5ee; }
.mcq__option.wrong-answer { border-color: var(--red); background: #fbeceb; }

.mcq__submit {
  background: var(--maroon); color: var(--white); border: none; border-radius: 100px;
  padding: 10px 22px; font-weight: 700; font-size: 0.88rem; cursor: pointer;
}
.mcq__submit:hover { background: var(--maroon-dark); }
.mcq__submit[disabled] { background: var(--gray); cursor: not-allowed; }

.mcq__feedback { margin-top: 14px; padding: 14px 16px; border-radius: 10px; font-size: 0.92rem; display: none; }
.mcq__feedback.show { display: block; }
.mcq__feedback.correct { background: #e9f5ee; border: 1px solid #b9dcc6; }
.mcq__feedback.incorrect { background: #fbeceb; border: 1px solid #e6bcb6; }
.mcq__feedback .verdict { font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.mcq__feedback .verdict.correct-v { color: var(--green); }
.mcq__feedback .verdict.incorrect-v { color: var(--red); }
.mcq__feedback .answer-line { margin-bottom: 6px; }
.mcq__feedback .answer-line b { color: var(--ink); }
.mcq__retry {
  margin-top: 10px; background: transparent; border: 1px solid var(--gray); color: var(--gray-dark);
  border-radius: 100px; padding: 6px 14px; font-size: 0.8rem; font-weight: 600; cursor: pointer;
}

/* ---------------- Capstone table ---------------- */

.capstone-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; margin-top: 4px; }
.capstone-table th, .capstone-table td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
.capstone-table th { background: var(--maroon-tint); color: var(--maroon); font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.03em; }
.capstone-table td.impact-high { color: var(--red); font-weight: 700; }
.capstone-table td.impact-medium { color: #a4762a; font-weight: 700; }
.capstone-table td.impact-low { color: var(--green); font-weight: 700; }

/* ---------------- Module complete banner ---------------- */

.module-complete-banner {
  display: none; align-items: center; gap: 14px; background: #e9f5ee; border: 1px solid #b9dcc6;
  border-radius: var(--radius); padding: 20px 22px; margin-top: 6px;
}
.module-complete-banner.show { display: flex; }
.module-complete-banner .icon { font-size: 1.8rem; }
.module-complete-banner h4 { margin: 0 0 3px; color: var(--green); font-size: 1.05rem; }
.module-complete-banner p { margin: 0; font-size: 0.9rem; color: var(--gray-dark); }
.module-complete-banner .next-link {
  margin-left: auto; background: var(--teal); color: white; text-decoration: none;
  padding: 9px 18px; border-radius: 100px; font-weight: 700; font-size: 0.85rem; white-space: nowrap;
}

/* ---------------- Footer ---------------- */

.site-footer { border-top: 1px solid var(--line); padding: 34px 0 44px; background: var(--paper-alt); }
.site-footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 18px; }
.site-footer .brand-lockup img.logo-cf { height: 24px; }
.site-footer .brand-lockup img.logo-ai { height: 26.88px; }
.site-footer small { color: var(--gray-dark); font-size: 0.78rem; }

@media (max-width: 700px) {
  .hero h1 { font-size: 1.7rem; }
  .site-header__inner { flex-wrap: wrap; row-gap: 10px; padding: 12px 16px; }
  .site-nav { gap: 10px; flex-wrap: wrap; width: 100%; justify-content: flex-start; }
  .site-nav a { font-size: 0.82rem; }
  .site-nav__badge { font-size: 0.66rem; padding: 3px 7px; }
  .container { padding: 0 16px; }
  .module-progress-bar__hint { display: none; }
  .module-progress-bar { top: 96px; }
  .brand-lockup { gap: 12px; }
}