/* ==========================================================================
   SIV Master — main stylesheet
   ========================================================================== */

:root {
  --sky: #1b74b0;
  --sky-dark: #0e4c73;
  --sky-light: #eaf4fb;
  --sunset: #ff7a3c;
  --sunset-dark: #e2611f;
  --navy: #0c2436;
  --ink: #1f2d36;
  --ink-soft: #566b78;
  --cloud: #f6f9fb;
  --white: #ffffff;
  --border: #e2e9ee;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(12, 36, 54, 0.10);
  --shadow-sm: 0 4px 14px rgba(12, 36, 54, 0.08);
  --max: 1140px;
  --ink-faint: #8a9aa5;
  --sunset-tint: #fff1ea;
  --risk-high-bg: #fdecea;
  --risk-high-ink: #b3261e;
}

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

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', 'Inter', sans-serif;
  color: var(--navy);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; color: var(--ink-soft); }
a { color: var(--sky); text-decoration: none; }
a:hover { color: var(--sunset); }
img { max-width: 100%; display: block; }
ul { padding-left: 1.2em; color: var(--ink-soft); }

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

.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--alt { background: var(--cloud); }
.section--dark { background: var(--navy); color: #cfe0ec; }
.section--dark h2, .section--dark h3 { color: var(--white); }
.section--dark p { color: #a9c2d3; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sunset);
  margin-bottom: 12px;
}

.lead {
  font-size: 1.15rem;
  max-width: 640px;
}

.center { text-align: center; margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--sunset); color: var(--white); }
.btn-primary:hover { background: var(--sunset-dark); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.6); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.12); color: var(--white); }
.btn-sky { background: var(--sky); color: var(--white); }
.btn-sky:hover { background: var(--sky-dark); color: var(--white); }
.btn-block { width: 100%; justify-content: center; }

/* ---------------- Header / nav ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
}
.brand .brand-mark {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--sky), var(--sunset));
}
.brand .brand-mark svg { width: 20px; height: 20px; }
.brand span.sub { color: var(--sky); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.96rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a.active { color: var(--sky); border-bottom-color: var(--sunset); }
.nav-cta { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy);
  margin: 5px 0;
  transition: 0.2s;
}

@media (max-width: 880px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--border); }
}

@media (max-width: 560px) {
  /* No room for the header CTA beside the brand at phone widths — the
     hamburger menu carries the Registration link instead. */
  .nav-cta .btn { display: none; }
  .brand { font-size: 1.1rem; }
  .brand .brand-mark { width: 32px; height: 32px; }
  .brand .brand-mark svg { width: 18px; height: 18px; }
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  color: var(--white);
  background: linear-gradient(160deg, var(--sky-dark) 0%, var(--sky) 55%, #3aa0d8 100%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 85% 20%, rgba(255,122,60,0.35), transparent 45%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 110px 0 90px;
}
.hero h1 { color: var(--white); margin-bottom: 18px; }
.hero .lead { color: #dcecf7; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-art { position: relative; }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 44px;
  flex-wrap: wrap;
}
.hero-stats div { min-width: 100px; }
.hero-stats strong { display: block; font-family: 'Poppins', sans-serif; font-size: 1.6rem; color: var(--white); }
.hero-stats span { font-size: 0.85rem; color: #bfdcee; }

@media (max-width: 880px) {
  .hero-inner { grid-template-columns: 1fr; padding: 60px 0 56px; text-align: center; }
  .hero-actions, .hero-stats { justify-content: center; }
}

/* ---------------- Page header (inner pages) ---------------- */
.page-hero {
  background: linear-gradient(160deg, var(--sky-dark), var(--sky));
  color: var(--white);
  padding: 72px 0 56px;
}
.page-hero h1 { color: var(--white); }
.page-hero .lead { color: #dcecf7; margin: 0; }
.breadcrumb { font-size: 0.85rem; color: #bfdcee; margin-bottom: 14px; }
.breadcrumb a { color: #dcecf7; }

/* ---------------- Cards / grids ---------------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--sky-light);
  color: var(--sky);
  margin-bottom: 18px;
}
.card .icon svg { width: 26px; height: 26px; }
.card-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sunset);
  background: #fff1ea;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.card-link { font-weight: 600; font-size: 0.92rem; display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; }

/* Real photo frame (replaces media-placeholder once an image is in) */
.photo-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  line-height: 0;
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Placeholder media block (swap for real photos) */
.media-placeholder {
  border-radius: var(--radius);
  background: repeating-linear-gradient(135deg, var(--sky-light), var(--sky-light) 10px, #ddeef8 10px, #ddeef8 20px);
  border: 1.5px dashed #a9cbe2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--sky-dark);
  text-align: center;
  font-size: 0.85rem;
  min-height: 220px;
  padding: 20px;
}
.media-placeholder strong { display: block; font-family: 'Poppins', sans-serif; font-size: 0.9rem; font-weight: 600; }
.media-placeholder svg { width: 30px; height: 30px; margin-bottom: 10px; opacity: 0.7; }

/* ---------------- Course detail sections ---------------- */
.course-block {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}
.course-block:last-child { border-bottom: none; }
.course-block.reverse { grid-template-columns: 1.1fr 0.9fr; }
.course-block.reverse .course-media { order: 2; }
@media (max-width: 880px) {
  .course-block, .course-block.reverse { grid-template-columns: 1fr; }
  .course-block.reverse .course-media { order: 0; }
}
.course-meta { display: flex; gap: 18px; flex-wrap: wrap; margin: 18px 0; }
.course-meta span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sky-dark);
  background: var(--sky-light);
  padding: 6px 12px;
  border-radius: 999px;
}
.check-list { list-style: none; padding: 0; margin: 18px 0; }
.check-list li { position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--ink); }
.check-list li::before {
  content: "✓";
  position: absolute; left: 0; top: 0;
  width: 20px; height: 20px;
  background: var(--sunset);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.7rem;
  display: flex; align-items: center; justify-content: center;
}

/* ---------------- About / instructor ---------------- */
.about-hero {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
  align-items: center;
}
@media (max-width: 880px) { .about-hero { grid-template-columns: 1fr; } }
.stat-row { display: flex; gap: 30px; flex-wrap: wrap; margin: 26px 0; }
.stat-row div strong { display: block; font-family: 'Poppins', sans-serif; font-size: 1.7rem; color: var(--sky-dark); }
.stat-row div span { font-size: 0.85rem; color: var(--ink-soft); }
.timeline { border-left: 3px solid var(--sky-light); margin-left: 8px; padding-left: 26px; }
.timeline-item { position: relative; padding-bottom: 30px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute; left: -33px; top: 4px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--sunset);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--sky-light);
}
.timeline-item .year { font-weight: 700; color: var(--sky-dark); font-size: 0.85rem; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------------- Forms ---------------- */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.form-section-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sky-dark);
  background: var(--sky-light);
  padding: 8px 14px;
  border-radius: 8px;
  margin: 28px 0 18px;
}
.field { margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.9rem; color: var(--navy); }
.field .hint { font-size: 0.78rem; color: var(--ink-soft); font-weight: 400; }
.field input,
.field select,
.field textarea {
  border: 1.5px solid var(--border);
  border-radius: 10px;
  padding: 13px 14px;
  font-size: 0.96rem;
  font-family: inherit;
  color: var(--ink);
  background: var(--cloud);
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--sky);
  background: var(--white);
}
.field textarea { resize: vertical; min-height: 120px; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; }
.checkbox-row input { margin-top: 4px; }
.checkbox-row label { font-size: 0.85rem; color: var(--ink-soft); font-weight: 400; }
.form-note {
  font-size: 0.8rem;
  color: var(--ink-soft);
  background: var(--sky-light);
  border-radius: 10px;
  padding: 12px 16px;
  margin-top: 18px;
}
.form-success {
  display: none;
  background: #eafaf0;
  border: 1.5px solid #b6e6c9;
  color: #1c7a44;
  padding: 16px 18px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-weight: 500;
}

/* ---------------- Contact page ---------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { list-style: none; padding: 0; margin: 0 0 30px; }
.contact-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.contact-list .icon {
  width: 42px; height: 42px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--sky-light);
  color: var(--sky-dark);
  display: grid; place-items: center;
}
.contact-list strong { display: block; color: var(--navy); font-size: 0.95rem; }
.contact-list span, .contact-list a { color: var(--ink-soft); font-size: 0.92rem; }
.social-row { display: flex; gap: 12px; margin-top: 20px; }
.social-row a {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--sky-light);
  color: var(--sky-dark);
  display: grid; place-items: center;
  transition: 0.15s;
}
.social-row a:hover { background: var(--sunset); color: var(--white); }
.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: #25D366; color: var(--white);
  padding: 14px 24px; border-radius: 999px; font-weight: 600;
}
.whatsapp-btn:hover { background: #1eb956; color: var(--white); }

/* ---------------- CTA band ---------------- */
.cta-band {
  background: linear-gradient(120deg, var(--sunset), var(--sunset-dark));
  color: var(--white);
  border-radius: 20px;
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); margin-bottom: 6px; }
.cta-band p { color: #ffe3d3; margin: 0; }
.cta-band .btn-primary { background: var(--white); color: var(--sunset-dark); }
.cta-band .btn-primary:hover { background: #fff2ec; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--navy); color: #a9c2d3; padding: 60px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 16px; }
.site-footer .brand { color: var(--white); margin-bottom: 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; font-size: 0.9rem; }
.site-footer a { color: #a9c2d3; }
.site-footer a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
}

/* ---------------- SIV Manual ---------------- */
.manual-category { margin-bottom: 44px; }
.manual-category-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
}
.manual-category-head h2 { font-size: 1.25rem; margin-bottom: 0; }
.manual-category-desc { font-size: 0.9rem; color: var(--ink-soft); margin: -8px 0 18px; }

.maneuver {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
}
.maneuver[open] { box-shadow: var(--shadow-sm); }
.maneuver summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.maneuver summary::-webkit-details-marker { display: none; }
.maneuver-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--sky-light);
  color: var(--sky-dark);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.manual-level-num {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--sky);
  border-radius: 6px;
  padding: 3px 8px;
  flex-shrink: 0;
}

.manual-warning {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--risk-high-bg);
  border-left: 4px solid var(--risk-high-ink);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-top: 24px;
  max-width: 760px;
}
.manual-warning svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 2px; color: var(--risk-high-ink); }
.manual-warning strong { color: var(--risk-high-ink); font-size: 1rem; }
.manual-warning p { font-size: 0.92rem; margin: 6px 0 0; }

.maneuver-title {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
}
.maneuver-title h3 { margin: 0; font-size: 1.02rem; }
.maneuver-cat {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.maneuver-chevron {
  width: 18px; height: 18px;
  color: var(--ink-faint);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.maneuver[open] .maneuver-chevron { transform: rotate(180deg); }

.maneuver-body { padding: 0 22px 24px 70px; }

@media (max-width: 560px) {
  .maneuver summary { flex-wrap: wrap; gap: 10px 12px; padding: 16px; }
  .maneuver-title { flex: 1; }
  .maneuver-body { padding: 0 16px 20px; }
}
.maneuver-body h4 {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sunset);
  margin: 18px 0 8px;
}
.maneuver-body h4:first-child { margin-top: 0; }
.maneuver-body p, .maneuver-body ul { font-size: 0.92rem; max-width: none; }
.maneuver-body ul { padding-left: 1.1em; }

.prereq-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--sky-light);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: var(--ink);
}
.prereq-box svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--sky-dark); }
.prereq-box strong { color: var(--sky-dark); }

.pending-box {
  background: var(--cloud);
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 0.88rem;
  color: var(--ink-faint);
  font-style: italic;
}

.review-flag {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--sunset-tint, #fff1ea);
  border-radius: 10px;
  padding: 12px 16px;
  margin-top: 16px;
  font-size: 0.84rem;
  color: var(--ink-soft);
}
.review-flag svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--sunset); }

/* --- Manual: hand-drawn diagrams rebuilt as SVG --- */
.diagram {
  margin: 18px 0 22px;
  padding: 18px 16px 10px;
  background: var(--cloud);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.diagram svg { width: 100%; height: auto; display: block; }
.diagram figcaption {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.dg { fill: none; stroke: var(--navy); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.dg-foil { stroke-width: 2.4; }
.dg-line { stroke-width: 1.6; }
.dg-arrow { stroke-width: 1.8; }
.dg-head { stroke-width: 1.8; }
.dg-dash { stroke-width: 1.6; stroke-dasharray: 9 7; stroke: var(--ink-faint); }
.dg-curve { stroke-width: 2.4; stroke: var(--sky); }
.dg-cp circle { stroke-width: 2; }
.dg-cp path { stroke-width: 1.6; }
.dg-lift { stroke: var(--sunset); stroke-width: 1.8; }
.dg-glider { stroke: var(--navy); stroke-width: 1.8; color: var(--navy); }
.dg-label { fill: var(--navy); stroke: none; font-family: 'Poppins', sans-serif; font-size: 21px; font-weight: 700; }
.dg-tag { fill: var(--navy); stroke: none; font-family: 'Poppins', sans-serif; font-size: 15px; font-weight: 600; }
.dg-note { fill: var(--ink-faint); stroke: none; font-family: 'Inter', sans-serif; font-size: 13px; }

.gain-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: #eef7f1;
  border-left: 3px solid #1f7a4d;
  border-radius: 10px;
  padding: 12px 16px;
  margin: 18px 0 4px;
  font-size: 0.9rem;
  color: var(--ink);
}
.gain-box svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: #1f7a4d; }
.gain-box strong { color: #1a6340; }
.pilot-error h5 span { font-weight: 400; color: var(--ink-faint); }

.pilot-errors { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 20px; }
.pilot-error {
  background: var(--cloud);
  border-top: 3px solid var(--sunset);
  border-radius: 10px;
  padding: 14px 16px;
}
.pilot-error h5 { font-family: 'Poppins', sans-serif; font-size: 0.9rem; color: var(--navy); margin: 0 0 6px; }
.pilot-error p { font-size: 0.86rem; margin: 0; }

.criteria { list-style: none; counter-reset: crit; margin: 0; padding: 0; }
.criteria > li {
  counter-increment: crit;
  position: relative;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px 16px 66px;
  margin-bottom: 10px;
}
.criteria > li::before {
  content: counter(crit, decimal-leading-zero);
  position: absolute;
  left: 20px; top: 16px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--sky-light);
  color: var(--sky-dark);
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  display: grid; place-items: center;
}
.criteria h3 { font-size: 1rem; margin-bottom: 4px; }
.criteria p { font-size: 0.92rem; margin-bottom: 0; }

@media (max-width: 700px) {
  .pilot-errors { grid-template-columns: 1fr; }
  .criteria > li { padding: 14px 16px 14px 60px; }
  .criteria > li::before { left: 14px; }
  .diagram { padding: 12px 10px 8px; }
}

.notlist {
  background: var(--sky-light);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 20px 0 4px;
  max-width: 760px;
}
.notlist h3 { font-size: 1.05rem; color: var(--sky-dark); margin-bottom: 10px; }
.notlist p { font-size: 0.94rem; margin-bottom: 10px; }
.notlist p:last-child { margin-bottom: 0; }

.glider-note {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--cloud);
  border-left: 3px solid var(--ink-faint);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 0 0 16px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.glider-note svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--ink-faint); }
.glider-note strong { color: var(--navy); }

@media (max-width: 700px) { .notlist { padding: 18px; } }

/* --- Manual: introduction & general briefing --- */
.brief-intro { max-width: 760px; }
.brief-intro h2 { font-size: 1.6rem; margin-bottom: 14px; }
.brief-intro .brief-h3 { font-size: 1.1rem; margin: 28px 0 8px; }
.brief-intro p { font-size: 1rem; }

.brief-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 22px 0 8px;
}
.brief-card {
  background: var(--sky-light);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.brief-card h3 { font-size: 1rem; color: var(--sky-dark); margin-bottom: 6px; }
.brief-card p { font-size: 0.92rem; margin-bottom: 0; }

.brief-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.brief-nav-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-right: 4px;
}
.brief-nav a {
  font-size: 0.84rem;
  font-weight: 600;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--sky-dark);
}
.brief-nav a:hover { background: var(--sky-light); border-color: var(--sky); color: var(--sky-dark); }

.manual-level-num--brief { background: var(--ink-soft); }

.maneuver.brief summary { padding-left: 22px; }
.maneuver.brief .maneuver-body { padding-left: 22px; }

.theory-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.theory-table th {
  text-align: left;
  vertical-align: top;
  width: 190px;
  padding: 12px 16px 12px 0;
  color: var(--navy);
  font-family: 'Poppins', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-top: 1px solid var(--border);
}
.theory-table td { padding: 12px 0; border-top: 1px solid var(--border); }
.theory-table ul { margin: 0; padding-left: 1.1em; }
.theory-table li { margin-bottom: 4px; }
.theory-table li:last-child { margin-bottom: 0; }
.tablewrap { overflow-x: auto; }

.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 14px 0 20px;
}
.flow--five { grid-template-columns: repeat(5, 1fr); }
.flow-step {
  position: relative;
  background: var(--cloud);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 10px;
  text-align: center;
  font-size: 0.84rem;
  color: var(--navy);
}
.flow-step strong { font-family: 'Poppins', sans-serif; font-weight: 600; }
.flow-step:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-faint);
  font-size: 0.8rem;
  z-index: 1;
}

.maneuvers-lead { margin: 40px 0 22px; padding-top: 30px; border-top: 2px solid var(--border); }

@media (max-width: 700px) {
  .brief-cards { grid-template-columns: 1fr; }
  .flow, .flow--five { grid-template-columns: 1fr 1fr; }
  .flow-step::after { display: none !important; }
  .theory-table th { width: auto; display: block; padding-bottom: 4px; border-top: none; }
  .theory-table td { display: block; padding-top: 0; border-top: none; }
  .theory-table tr { display: block; border-top: 1px solid var(--border); padding: 12px 0; }
}

.mandatory-box {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--risk-high-bg);
  border-left: 3px solid var(--risk-high-ink);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 0.88rem;
  color: var(--ink);
}
.mandatory-box svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--risk-high-ink); }
.mandatory-box strong { color: var(--risk-high-ink); }

/* utility */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }