/* ============================================================
   EGH Aviation — Brand Design System
   Colors extracted from EGH_Aviation_Logo.svg
   ============================================================ */

:root {
  --navy:        #19385c;   /* Primary — logo dark navy  */
  --navy-deep:   #0f2236;   /* Deeper navy for hero/footer */
  --blue:        #2e73b5;   /* Secondary — logo medium blue */
  --light-blue:  #d4e6f0;   /* Accent — logo circle fill */
  --gold:        #c9a84c;   /* CTA accent — classic aviation gold */
  --gold-light:  #e8c96a;
  --white:       #ffffff;
  --off-white:   #f4f7fa;
  --mid-gray:    #8fa4b8;
  --dark-text:   #0d1f30;
  --body-text:   #2c3e50;

  --font-sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --radius:    6px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(15, 34, 54, 0.12);
  --shadow-md: 0 6px 24px rgba(15, 34, 54, 0.18);
  --shadow-lg: 0 16px 48px rgba(15, 34, 54, 0.24);
  --transition: 0.22s ease;
}

/* ── Reset & Base ─────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--body-text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* ── Utility ──────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-title--light { color: var(--white); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--mid-gray);
  max-width: 620px;
  line-height: 1.7;
}

.section-subtitle--light { color: var(--light-blue); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--gold {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.btn--gold:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  box-shadow: 0 4px 18px rgba(201, 168, 76, 0.4);
}

.btn--outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.45);
}
.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
}

.btn--blue {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--blue:hover {
  background: #2562a0;
  border-color: #2562a0;
  box-shadow: var(--shadow-sm);
}

.btn--ghost-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn--ghost-navy:hover {
  background: var(--navy);
  color: var(--white);
}

/* ── Navigation ───────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 34, 54, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(46, 115, 181, 0.2);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
  background: var(--navy-deep);
  box-shadow: var(--shadow-md);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav__logo img {
  height: 42px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.02em;
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: var(--white);
  background: rgba(46, 115, 181, 0.2);
}

.nav__link--active {
  color: var(--gold);
}

.nav__cta {
  padding: 9px 20px;
  background: var(--gold);
  color: var(--navy-deep);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 700;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav__cta:hover {
  background: var(--gold-light);
  box-shadow: 0 4px 12px rgba(201, 168, 76, 0.35);
  color: var(--navy-deep);
}

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__mobile {
  display: none;
  flex-direction: column;
  background: var(--navy-deep);
  padding: 12px 24px 24px;
  border-top: 1px solid rgba(46, 115, 181, 0.25);
}

.nav__mobile.open { display: flex; }

.nav__mobile .nav__link {
  padding: 12px 8px;
  border-radius: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ── Hero ─────────────────────────────────────────────────── */

.hero {
  min-height: 100vh;
  background: linear-gradient(
    155deg,
    var(--navy-deep) 0%,
    var(--navy) 45%,
    #1e4a70 100%
  );
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 68px;
}

/* Subtle grid texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 115, 181, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 115, 181, 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* Radial glow */
.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(46, 115, 181, 0.22) 0%, transparent 65%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: 80px 0;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid rgba(201, 168, 76, 0.35);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 28px;
}

.hero__badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__headline {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero__headline span {
  color: var(--gold);
}

.hero__subheadline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--light-blue);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: 48px;
  opacity: 0.9;
}

.hero__cta-grid {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 14px;
  justify-content: start;
  margin-bottom: 56px;
}

.hero__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
  transition: background var(--transition), border-color var(--transition),
              transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}

.hero__cta-btn:hover {
  background: rgba(46, 115, 181, 0.3);
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.hero__cta-btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--navy-deep);
}
.hero__cta-btn--primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  box-shadow: 0 8px 24px rgba(201, 168, 76, 0.4);
}

.hero__cta-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.hero__stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero__stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
}

.hero__stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid-gray);
}

/* ── Section: Certification Tracks ───────────────────────── */

.tracks {
  padding: 100px 0;
  background: var(--off-white);
}

.tracks__header {
  text-align: center;
  margin-bottom: 64px;
}

.tracks__header .section-subtitle {
  margin: 0 auto;
}

.tracks__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 28px;
}

.track-card {
  background: var(--white);
  border: 1px solid rgba(25, 56, 92, 0.1);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
  cursor: pointer;
}

.track-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--blue);
  transition: height var(--transition);
}

.track-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(46, 115, 181, 0.3);
}

.track-card:hover::before {
  height: 6px;
  background: var(--gold);
}

.track-card--ir::before  { background: #2e73b5; }
.track-card--cpl::before { background: #1e8a5a; }
.track-card--mei::before { background: #7b3fa0; }
.track-card--cfii::before{ background: #c9a84c; }

.track-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.badge--ir   { background: rgba(46, 115, 181, 0.12); color: #2e73b5; }
.badge--cpl  { background: rgba(30, 138, 90, 0.12);  color: #1e8a5a; }
.badge--mei  { background: rgba(123, 63, 160, 0.12); color: #7b3fa0; }
.badge--cfii { background: rgba(201, 168, 76, 0.15); color: #a07a20; }

.track-card__icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  line-height: 1;
}

.track-card__title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 6px;
}

.track-card__subtitle {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.track-card__desc {
  font-size: 0.9rem;
  color: var(--body-text);
  line-height: 1.65;
  margin-bottom: 24px;
}

.track-card__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  padding: 16px;
  background: var(--off-white);
  border-radius: var(--radius);
}

.track-card__meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
}

.track-card__meta-key {
  color: var(--mid-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.75rem;
}

.track-card__meta-val {
  color: var(--navy);
  font-weight: 700;
}

.track-card__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.track-card__link {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition), color var(--transition);
}

.track-card:hover .track-card__link {
  gap: 10px;
  color: var(--navy);
}

.track-card__arrow {
  font-size: 1rem;
  transition: transform var(--transition);
}

.track-card:hover .track-card__arrow {
  transform: translateX(4px);
}

/* ── Section: How It Works ────────────────────────────────── */

.process {
  padding: 100px 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.process::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(46, 115, 181, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 115, 181, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
}

.process__inner {
  position: relative;
  z-index: 1;
}

.process__header {
  text-align: center;
  margin-bottom: 64px;
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}

.process__step {
  text-align: center;
  padding: 32px 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  transition: background var(--transition), border-color var(--transition);
}

.process__step:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(201, 168, 76, 0.3);
}

.process__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--navy-deep);
  font-size: 1.1rem;
  font-weight: 900;
  margin-bottom: 20px;
}

.process__step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.process__step-desc {
  font-size: 0.875rem;
  color: rgba(212, 230, 240, 0.75);
  line-height: 1.65;
}

/* ── Section: Sample Lesson ───────────────────────────────── */

.lesson-demo {
  padding: 100px 0;
  background: var(--white);
}

.lesson-demo__header {
  margin-bottom: 56px;
}

.lesson-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: start;
}

.lesson-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.lesson-header-card {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 100%);
  border-radius: var(--radius-lg);
  padding: 36px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.lesson-header-card::after {
  content: '';
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(46, 115, 181, 0.2);
  pointer-events: none;
}

.lesson-track-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(201, 168, 76, 0.2);
  border: 1px solid rgba(201, 168, 76, 0.4);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}

.lesson-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.25;
}

.lesson-acs-ref {
  font-size: 0.82rem;
  color: var(--light-blue);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.lesson-section {
  background: var(--white);
  border: 1px solid rgba(25, 56, 92, 0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lesson-section__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  background: var(--off-white);
  border-bottom: 1px solid rgba(25, 56, 92, 0.08);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}

.lesson-section__head:hover {
  background: #eaeef2;
}

.lesson-section__icon {
  font-size: 1.15rem;
  line-height: 1;
}

.lesson-section__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  flex: 1;
}

.lesson-section__chevron {
  font-size: 0.8rem;
  color: var(--mid-gray);
  transition: transform var(--transition);
}

.lesson-section.open .lesson-section__chevron {
  transform: rotate(180deg);
}

.lesson-section__body {
  padding: 24px;
  display: none;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--body-text);
}

.lesson-section.open .lesson-section__body {
  display: block;
}

.lesson-section__body p { margin-bottom: 14px; }
.lesson-section__body p:last-child { margin-bottom: 0; }

.lesson-section__body ul {
  list-style: disc;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lesson-section__body li::marker {
  color: var(--blue);
}

/* Q&A */
.qa-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qa-item {}

.qa-question {
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
  font-size: 0.9rem;
  display: flex;
  gap: 10px;
}

.qa-question::before {
  content: 'Q';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 800;
}

.qa-answer {
  padding-left: 32px;
  color: var(--body-text);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* Code grid */
.code-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.code-group {}

.code-group__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid-gray);
  margin-bottom: 10px;
}

.code-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.code-chip {
  padding: 5px 12px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'Courier New', monospace;
}

.chip--risk {
  background: rgba(220, 53, 69, 0.1);
  color: #c0392b;
  border: 1px solid rgba(220, 53, 69, 0.2);
}

.chip--skill {
  background: rgba(46, 115, 181, 0.12);
  color: var(--blue);
  border: 1px solid rgba(46, 115, 181, 0.2);
}

/* Lesson sidebar */
.lesson-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 90px;
}

.sidebar-card {
  background: var(--off-white);
  border: 1px solid rgba(25, 56, 92, 0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.sidebar-card__title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--mid-gray);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(25, 56, 92, 0.1);
}

.sidebar-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-info-row {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-info-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--mid-gray);
}

.sidebar-info-value {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
}

.sidebar-progress {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.progress-item {}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.progress-label span:first-child { color: var(--navy); }
.progress-label span:last-child  { color: var(--mid-gray); }

.progress-bar {
  height: 6px;
  background: rgba(25, 56, 92, 0.1);
  border-radius: 999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--gold));
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid rgba(25, 56, 92, 0.1);
  border-radius: var(--radius);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--navy);
  transition: border-color var(--transition), background var(--transition);
}

.sidebar-link:hover {
  border-color: var(--blue);
  background: rgba(46, 115, 181, 0.05);
}

.sidebar-link__icon { font-size: 1rem; }
.sidebar-link__arrow { margin-left: auto; color: var(--mid-gray); font-size: 0.75rem; }

/* ── Section: Testimonials ────────────────────────────────── */

.testimonials {
  padding: 100px 0;
  background: var(--off-white);
}

.testimonials__header {
  text-align: center;
  margin-bottom: 60px;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid rgba(25, 56, 92, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.testimonial-card__stars {
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.testimonial-card__text {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--body-text);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--white);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
}

.testimonial-card__cert {
  font-size: 0.78rem;
  color: var(--mid-gray);
}

/* ── Briefing Room ────────────────────────────────────────── */

.briefing-room {
  padding: 100px 0;
  background: var(--white);
}

.briefing-room__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.briefing-room__all-link {
  flex-shrink: 0;
  margin-bottom: 6px;
}

/* Category filters */
.briefing-room__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
}

.br-filter {
  padding: 7px 18px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1.5px solid rgba(25, 56, 92, 0.15);
  background: transparent;
  color: var(--mid-gray);
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition);
}

.br-filter:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.br-filter--active {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

/* Tags */
.br-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.br-tag--ifr         { background: rgba(46, 115, 181, 0.12); color: #2e73b5; }
.br-tag--cpl         { background: rgba(30, 138, 90, 0.12);  color: #1e8a5a; }
.br-tag--mei         { background: rgba(123, 63, 160, 0.12); color: #7b3fa0; }
.br-tag--cfii        { background: rgba(201, 168, 76, 0.15); color: #a07a20; }
.br-tag--regulations { background: rgba(220, 53, 69, 0.1);   color: #c0392b; }
.br-tag--technique   { background: rgba(15, 34, 54, 0.08);   color: var(--navy); }

.br-tag--outline {
  background: transparent;
  border: 1px solid rgba(25, 56, 92, 0.2);
  color: var(--mid-gray);
}

/* Featured post */
.br-featured {
  background: var(--off-white);
  border: 1px solid rgba(25, 56, 92, 0.1);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.br-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: var(--gold);
  border-radius: 4px 0 0 4px;
}

.br-featured:hover {
  box-shadow: var(--shadow-md);
}

.br-featured__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.br-featured__date,
.br-featured__read-time {
  font-size: 0.78rem;
  color: var(--mid-gray);
  font-weight: 600;
}

.br-featured__read-time::before {
  content: '·';
  margin-right: 14px;
}

.br-featured__title {
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 14px;
  max-width: 720px;
}

.br-featured__excerpt {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--body-text);
  max-width: 740px;
  margin-bottom: 28px;
}

.br-featured__footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.br-featured__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Post grid */
.br-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.br-card {
  background: var(--white);
  border: 1px solid rgba(25, 56, 92, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}

.br-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(46, 115, 181, 0.25);
}

.br-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.br-card__read-time {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mid-gray);
}

.br-card__title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 12px;
  flex: 1;
}

.br-card__excerpt {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--body-text);
  margin-bottom: 20px;
  flex: 1;
}

.br-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(25, 56, 92, 0.07);
}

.br-card__date {
  font-size: 0.75rem;
  color: var(--mid-gray);
  font-weight: 600;
}

.br-card__link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blue);
  transition: color var(--transition), gap var(--transition);
  display: flex;
  align-items: center;
  gap: 4px;
}

.br-card:hover .br-card__link {
  color: var(--navy);
}

.briefing-room__bottom {
  text-align: center;
}

/* Hidden card (filtered out) */
.br-card.hidden,
.br-featured.hidden {
  display: none;
}

/* Responsive */
@media (max-width: 900px) {
  .br-grid { grid-template-columns: repeat(2, 1fr); }
  .br-featured { padding: 28px 28px 28px 36px; }
}

@media (max-width: 600px) {
  .br-grid { grid-template-columns: 1fr; }
  .briefing-room__header { flex-direction: column; align-items: flex-start; }
  .briefing-room__all-link { display: none; }
}

/* ── Footer ───────────────────────────────────────────────── */

.footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.75);
  padding: 72px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

.footer__brand {}

.footer__logo {
  margin-bottom: 18px;
}

.footer__logo img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer__tagline {
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(212, 230, 240, 0.65);
  max-width: 260px;
  margin-bottom: 24px;
}

.footer__col-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 18px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer__link:hover {
  color: var(--white);
}

.footer__link--external::after {
  content: '↗';
  font-size: 0.72rem;
  opacity: 0.5;
}

.footer__divider {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer__copyright {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

.footer__disclaimer {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.3);
  max-width: 520px;
  text-align: right;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 32px;
  }
  .lesson-layout {
    grid-template-columns: 1fr;
  }
  .lesson-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .hero__cta-grid {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 360px;
  }

  .hero__cta-btn { justify-content: center; }

  .hero__stats {
    gap: 28px;
  }

  .tracks__grid {
    grid-template-columns: 1fr;
  }

  .process__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__disclaimer { text-align: left; }

  .code-grid { grid-template-columns: 1fr; }

  .testimonials__grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .process__grid { grid-template-columns: 1fr; }
  .hero__stats { flex-direction: column; gap: 20px; }
}

/* ── Scroll-reveal animation ──────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }