/* ==========================================================================
   AVPN Phase-3 (Anudip) — Shared Stylesheet
   ========================================================================== */

:root {
  --teal: #0d9488;
  --teal-dark: #0b7e74;
  --teal-light: #14b8a6;
  --navy: #0a1230;
  --navy-2: #0b1740;
  --ink: #111827;
  --ink-soft: #374151;
  --gray: #6b7280;
  --gray-light: #9ca3af;
  --border: #e5e7eb;
  --bg-tint: #eef8f8;
  --bg-tint-2: #f4f7ff;
  --purple: #7c3aed;
  --cyan: #22d3ee;
  --grad-accent: linear-gradient(90deg, var(--cyan), var(--purple));
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 8px 30px rgba(16, 24, 40, 0.10);
  --font-head: "Poppins", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  margin: 0;
  color: var(--ink);
  line-height: 1.2;
}

p { margin: 0; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }

.eyebrow {
  display: inline-block;
  color: var(--teal);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 13px;
  text-transform: uppercase;
  margin-bottom: 10px;
  position: relative;
}
.eyebrow::after {
  content: "";
  display: block;
  width: 40px;
  height: 3px;
  background: var(--teal);
  margin-top: 10px;
  border-radius: 2px;
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--teal);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--teal-dark); box-shadow: var(--shadow-md); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}
.btn-outline:hover { background: rgba(13, 148, 136, 0.08); }

.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.6);
  color: #fff;
}
.btn-outline-light:hover { background: rgba(255,255,255,0.12); }

.btn-gradient {
  background: var(--grad-accent);
  color: #fff;
}
.btn-gradient:hover { box-shadow: 0 8px 24px rgba(124, 58, 237, 0.4); }

.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ---------------------------------------------------------------------- */
/* Navbar                                                                  */
/* ---------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
}
.nav-logo img { height: 46px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-links a {
  font-weight: 600;
  color: var(--ink);
  font-size: 15.5px;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover { color: var(--teal); }
.nav-links a.active {
  color: var(--teal);
  border-bottom-color: var(--teal);
}
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  border-radius: 2px;
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand p { margin-top: 14px; font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.65); }
.footer-col ul li a:hover { color: var(--teal-light); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  flex-wrap: wrap;
  gap: 10px;
}

/* ==========================================================================
   HOME PAGE
   ========================================================================== */

.hero-home {
  position: relative;
  background-color: #000d3a;
  background-image: url('../img/bg.png');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  overflow: hidden;
}
.hero-home .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 20px;
  padding-top: 90px;
  padding-bottom: 90px;
  min-height: 560px;
  background: transparent;
}
.hero-home .eyebrow {
  color: #fff;
  margin-bottom: 16px;
}
.hero-home .eyebrow::after { background: var(--teal-light); }
.hero-home h1 {
  font-size: 44px;
  color: #fff;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 22px;
}
.hero-home h1 span {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: block;
}
.hero-home p.lead {
  color: rgba(255,255,255,0.85);
  font-size: 17px;
  line-height: 1.75;
  max-width: 480px;
  margin-bottom: 32px;
}

.stats-bar {
  background: #fff;
  border-top: 1px solid var(--border);
}
.stats-bar ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stats-bar li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 30px 20px;
  border-left: 1px solid var(--border);
}
.stats-bar li:first-child { border-left: none; }
.stats-bar .icon-circle {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1.5px solid var(--teal-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
}
.stats-bar strong { display: block; font-size: 15.5px; color: var(--ink); font-weight: 700; line-height: 1.35; }

/* About Us */
.about-us .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.about-us .visual img { border-radius: var(--radius-lg); }
.about-us h2 { font-size: 38px; margin-bottom: 22px; }
.about-us h2 .accent { color: var(--teal); display: block; }
.about-us p { color: var(--ink-soft); font-size: 15.5px; line-height: 1.8; margin-bottom: 16px; }
.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin: 30px 0 30px;
}
.about-stats li { text-align: left; }
.about-stats .icon-circle {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--bg-tint);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 10px;
}
.about-stats span { font-size: 13.5px; font-weight: 700; color: var(--ink); line-height: 1.35; display: block; }

/* About Course cards */
.about-course { background: linear-gradient(180deg, var(--bg-tint), #ffffff); }
.about-course .heading { text-align: center; font-size: 34px; margin-bottom: 26px; }
.about-course .intro {
  border: 1.5px solid var(--ink);
  border-radius: var(--radius-sm);
  padding: 22px 30px;
  font-weight: 600;
  font-size: 14.5px;
  line-height: 1.8;
  text-align: center;
  color: var(--ink);
  max-width: 1100px;
  margin: 0 auto 40px;
  background: #fff;
}
.course-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.course-card {
  background: #fff;
  border: 1.5px solid var(--teal-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.course-card .thumb { aspect-ratio: 1/1; width: 100%; overflow: hidden; background: #0b1130; }
.course-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.course-card .body { padding: 18px 18px 22px; border-top: 1.5px solid var(--teal-light); }
.course-card h3 { font-size: 16px; margin-bottom: 10px; text-align: center; }
.course-card p { font-size: 13px; color: var(--ink-soft); line-height: 1.65; text-align: center; }

/* Bottom CTA (Home) */
.cta-band {
  position: relative;
  background-color: #06102c;
  background-image: url(../img/cta-band-bg.png);
  background-repeat: no-repeat;
  background-position: top;
  background-size: cover;
  overflow: hidden;
  padding: 70px 0;
}
.cta-band::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 5px;
  background: var(--grad-accent);
}
.cta-band .container { background: transparent; }
.cta-band .cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  background: transparent;
}
.cta-band .btn-gradient { margin-bottom: 26px; }
.cta-band p.line1 { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: 6px; }
.cta-band p.line2 { color: var(--cyan); font-size: 24px; font-weight: 700; margin-bottom: 26px; }
.cta-band .partner-row { color: rgba(255,255,255,0.8); font-size: 14.5px; margin-bottom: 18px; display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap; }
.cta-band .partner-row img { height: 26px; width: auto; }
.cta-band .partner-row.logos img { height: 30px; }

/* ==========================================================================
   COURSE PAGE
   ========================================================================== */

.course-hero { background: linear-gradient(180deg, #eef4ff, #ffffff); }
.course-hero .hero-top {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 40px;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 60px;
}
.hero-orbit-art {
  width: 100%;
  aspect-ratio: 1 / 1;
  background-image: url('../img/course-hero-orbit-art.png');
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ece9ff;
  color: var(--purple);
  font-weight: 600;
  font-size: 13.5px;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.course-hero h1 {
  font-size: 42px;
  margin-bottom: 14px;
}
.course-hero h1 .brand {
  display: inline-block;
}
.course-hero p.lead {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 26px;
}
.course-hero .btn-row { display: flex; gap: 16px; margin-bottom: 10px; flex-wrap: wrap; }
.course-hero .logos-row img { height: 30px; }
.pill-badge-teal { background: #e3f6f3; color: var(--teal); }
.course-hero h1 .ai-accent { color: var(--teal); }
.hero-rule-gradient {
  width: 340px;
  height: 4px;
  border-radius: 2px;
  margin: 18px 0 22px;
  background: linear-gradient(90deg, var(--teal) 0%, var(--teal) 22%, #2563eb 22%, #2563eb 52%, #f59e0b 52%, #f59e0b 76%, #ef4444 76%, #ef4444 100%);
}
.feature-strip {
  display: flex;
  background: #fff;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 32px rgba(15,23,42,0.08);
  padding: 24px 12px;
  margin: 6px 0 30px;
}
.feature-item {
  flex: 1;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 0 16px;
  border-right: 1px solid var(--border);
}
.feature-item:last-child { border-right: none; }
.feature-item strong { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 2px; }
.feature-item span { font-size: 12.5px; color: var(--gray); line-height: 1.35; }
.f-icon {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; flex-shrink: 0;
}
.f-icon svg { width: 20px; height: 20px; }
.f-icon.f-teal { background: var(--teal); }
.f-icon.f-blue { background: #2563eb; }
.f-icon.f-yellow { background: #f59e0b; }
.f-icon.f-red { background: #ef4444; }

.course-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 20px;
}
.info-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.info-card h3 { font-size: 22px; margin-bottom: 14px; }
.info-card h3::after { content: ""; display: block; width: 44px; height: 3px; background: var(--teal); margin-top: 10px; border-radius: 2px; }
.info-card p { color: var(--ink-soft); font-size: 14.5px; line-height: 1.8; margin-top: 16px; }
.info-card .art { text-align: center; margin: 18px 0; }
.info-card .art img { width: 160px; margin: 0 auto; }
.learn-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin-top: 16px; }
.learn-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--ink-soft); line-height: 1.5; }
.learn-list li svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: var(--teal); }
.info-card .view-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; color: var(--teal); font-weight: 700; font-size: 14.5px; }

.features-bar {
  margin-top: 50px;
  background: var(--bg-tint-2);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
}
.features-bar ul {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.features-bar li { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; color: var(--ink); line-height: 1.35; }
.features-bar li svg { flex-shrink: 0; color: var(--teal-dark); }

/* Courses catalog */
.courses-catalog {
  padding: 70px 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 4px 4px, rgba(124,58,237,0.12) 1.4px, transparent 1.4px) 0 0/26px 26px,
    linear-gradient(135deg, #f6f4ff 0%, #eef2ff 45%, #eef7fb 100%);
}
.courses-catalog::before,
.courses-catalog::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(124,58,237,0.35) 2px, transparent 2px),
    radial-gradient(circle, rgba(37,99,235,0.3) 2px, transparent 2px);
  background-size: 46px 46px, 70px 70px;
  background-position: 0 0, 20px 30px;
  opacity: 0.6;
  z-index: 0;
}
.courses-catalog::before { top: -60px; right: -60px; }
.courses-catalog::after { bottom: -80px; left: -60px; }
.courses-catalog .container { position: relative; z-index: 1; }
.catalog-head { display: flex; align-items: center; gap: 20px; margin-bottom: 10px; }
.catalog-head .icon-circle {
  width: 78px; height: 78px; border-radius: 50%;
  background: var(--bg-tint);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
}
.catalog-head h2 { font-size: 34px; }
.catalog-head p { color: var(--ink-soft); font-size: 15px; margin-top: 6px; }
.dash-row { display: flex; gap: 8px; margin: 16px 0 30px 98px; }
.dash-row span { width: 34px; height: 4px; border-radius: 2px; display: inline-block; }
.dash-row span:nth-child(1) { background: #4285F4; }
.dash-row span:nth-child(2) { background: #EA4335; }
.dash-row span:nth-child(3) { background: #FBBC05; }
.dash-row span:nth-child(4) { background: #34A853; }

.catalog-body { display: block; }
.audience-labels { margin-left: 160px; }
.catalog-main-row { display: grid; grid-template-columns: 130px 1fr; gap: 30px; align-items: stretch; }
.catalog-sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  padding: 6px 0;
}
.catalog-sidebar .side-item { text-align: center; }
.catalog-sidebar .icon-circle {
  width: 74px; height: 74px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 6px 18px rgba(30, 41, 59, 0.08);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.catalog-sidebar .side-item.blue-txt .icon-circle { color: #2563eb; }
.catalog-sidebar .side-item.purple .icon-circle { color: var(--purple); }
.catalog-sidebar span:not(.icon-circle) { font-weight: 700; font-size: 17px; }
.catalog-sidebar .side-item.blue-txt span:not(.icon-circle) { color: #2563eb; }
.catalog-sidebar .side-item.purple span:not(.icon-circle) { color: var(--purple); }
.catalog-sidebar .side-item span:not(.icon-circle)::after {
  content: ""; display: block; width: 30px; height: 3px; border-radius: 2px; background: currentColor; margin: 10px auto 0; opacity: .6;
}

.audience-labels { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 18px; }
.audience-labels div { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; }
.audience-labels div:first-child { color: #2563eb; }
.audience-labels div:last-child { color: var(--teal); }

.catalog-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.catalog-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
}
.catalog-card .thumb { width: 120px; height: 120px; border-radius: var(--radius-sm); overflow: hidden; }
.catalog-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.catalog-card h3 { font-size: 17px; margin-bottom: 8px; }
.badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.badge.beginner { background: #dcfce7; color: #16a34a; }
.badge.intermediate { background: #ffedd5; color: #ea580c; }
.badge.advanced { background: #fee2e2; color: #dc2626; }
.catalog-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; margin-bottom: 14px; }
.catalog-card .meta-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.catalog-card .meta { display: flex; gap: 14px; font-size: 12.5px; color: var(--gray); }
.catalog-card .meta span { display: inline-flex; align-items: center; gap: 5px; }
.catalog-footer { margin-top: 30px; }

/* Course detail tabs widget */
.detail-widget { padding: 20px 0 90px; }
.tab-bar {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
  margin-bottom: 34px;
}
.tab-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: #fff;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--ink);
  transition: all .15s ease;
}
.tab-btn svg { width: 17px; height: 17px; }
.tab-btn:hover { border-color: var(--teal-light); }
.tab-btn.active {
  background: linear-gradient(90deg, #2563eb, var(--teal));
  color: #fff;
  border-color: transparent;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 26px; align-items: start; }
.detail-title { font-size: 26px; margin-bottom: 4px; }
.detail-sub { color: var(--gray); font-size: 14px; margin-bottom: 22px; }

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: #fff;
}
.accordion-head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  background: #fff;
}
.accordion-item.open .accordion-head { background: var(--bg-tint-2); }
.accordion-head .ic {
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  background: var(--bg-tint-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
}
.accordion-head .txt { flex: 1; }
.accordion-head .txt small { display: block; color: var(--teal-dark); font-weight: 700; font-size: 12px; margin-bottom: 2px; }
.accordion-head .txt strong { font-size: 15.5px; }
.accordion-head .hrs { font-size: 13px; color: var(--gray); margin-right: 6px; white-space: nowrap; }
.accordion-head .chev { transition: transform .2s ease; color: var(--gray); }
.accordion-item.open .accordion-head .chev { transform: rotate(180deg); }
.accordion-body { display: none; padding: 4px 18px 22px 72px; }
.accordion-item.open .accordion-body { display: block; }
.accordion-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.accordion-cols h5 { font-size: 13.5px; margin-bottom: 10px; }
.accordion-cols.blue h5 { color: #2563eb; }
.accordion-cols .purple-h { color: var(--purple); }
.accordion-cols .green-h { color: var(--teal-dark); }
.accordion-cols ul li { font-size: 13.5px; color: var(--ink-soft); margin-bottom: 8px; display: flex; gap: 8px; }
.accordion-cols ul.dots li::before { content: "•"; color: var(--purple); }
.outcome-box { background: var(--bg-tint); border-radius: var(--radius-sm); padding: 14px; font-size: 13px; color: var(--ink-soft); line-height: 1.6; display: flex; gap: 10px; }
.outcome-box svg { flex-shrink: 0; color: var(--teal); }

.side-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.side-card h4 { font-size: 16px; display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.side-card h4 svg { color: var(--teal); }
.summary-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; text-align: center; margin-bottom: 8px;}
.summary-grid strong { display: block; font-size: 20px; }
.summary-grid span { font-size: 12px; color: var(--gray); }
.summary-badges { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 16px; text-align: center; }
.summary-badges .ic { width: 44px; height: 44px; border-radius: 50%; background: var(--bg-tint-2); display: flex; align-items: center; justify-content: center; margin: 0 auto 6px; color: var(--teal); }
.summary-badges span { font-size: 11.5px; font-weight: 700; color: var(--ink); }
.side-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; margin-bottom: 16px; }

/* Additional Resources tab */
.resources-head { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.resources-head .resources-icon {
  width: 56px; height: 56px; border-radius: var(--radius-md); flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal-light), var(--teal-dark));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 16px rgba(13,148,136,0.25);
}
.resources-head h2 { font-size: 26px; margin-bottom: 4px; }
.resources-head p { color: var(--gray); font-size: 14px; }

.resources-panel { display: flex; gap: 20px; align-items: flex-start; }
.resources-list {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 26px;
  box-shadow: var(--shadow-sm);
}
.resource-row {
  display: grid;
  grid-template-columns: 26px 64px 1fr 220px;
  gap: 22px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
}
.resource-row:last-child { border-bottom: none; }
.resource-num {
  width: 26px; height: 26px; border-radius: 50%;
  background: #16a34a; color: #fff; font-weight: 700; font-size: 12.5px;
  display: flex; align-items: center; justify-content: center;
}
.resource-icon {
  width: 64px; height: 64px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
}
.resource-icon.rtheme-1 { background: linear-gradient(135deg,#6366f1,#3b82f6); }
.resource-icon.rtheme-2 { background: #dbeafe; color: #1e3a8a; }
.resource-icon.rtheme-3 { background: #eef2ff; }
.resource-icon.rtheme-4 { background: #ede9fe; color: #7c3aed; }
.resource-text h3 { font-size: 16px; margin-bottom: 10px; line-height: 1.3; }
.resource-text ul li { display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; color: var(--ink-soft); margin-bottom: 6px; }
.resource-text ul li svg { flex-shrink: 0; margin-top: 2px; color: #16a34a; }

.resource-thumb { position: relative; width: 220px; padding: 10px; border-radius: var(--radius-md); border: 2px solid; background: var(--bg-tint-2); }
.resource-thumb.rtheme-1 { border-color: #3b82f6; }
.resource-thumb.rtheme-2 { border-color: #3b82f6; }
.resource-thumb.rtheme-3 { border-color: var(--teal); }
.resource-thumb.rtheme-4 { border-color: var(--purple); }
.thumb-frame { position: relative; height: 66px; border-radius: var(--radius-sm); background: #fff; display: flex; align-items: center; justify-content: center; }
.play-btn { width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.rtheme-1 .play-btn { background: #6366f1; }
.rtheme-2 .play-btn { background: #3b82f6; }
.rtheme-3 .play-btn { background: var(--teal); }
.rtheme-4 .play-btn { background: var(--purple); }
.progress-bar { position: absolute; left: 10px; right: 10px; bottom: 8px; height: 3px; border-radius: 2px; background: rgba(0,0,0,0.08); }
.progress-bar::after { content:""; position:absolute; left:0; top:0; bottom:0; width: 35%; border-radius: 2px; background: currentColor; }
.rtheme-1 .progress-bar { color: #6366f1; }
.rtheme-2 .progress-bar { color: #3b82f6; }
.rtheme-3 .progress-bar { color: var(--teal); }
.rtheme-4 .progress-bar { color: var(--purple); }
.thumb-badge {
  position: absolute; right: -8px; bottom: -8px; width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.18);
}
.rtheme-1 .thumb-badge { background: linear-gradient(135deg,#6366f1,#3b82f6); }
.rtheme-2 .thumb-badge { background: #3b82f6; }
.rtheme-3 .thumb-badge { background: var(--teal); }
.rtheme-4 .thumb-badge { background: var(--purple); }
.resource-thumb .spark { position: absolute; font-size: 13px; color: var(--gray-light); opacity: .7; }
.resource-thumb .spark.s1 { top: 2px; left: -14px; }
.resource-thumb .spark.s2 { bottom: 10px; right: -14px; }

.resources-art { width: 220px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; padding-top: 30px; }

/* Optional courses tab */
.optional-list .accordion-head .ic { background: #eef2ff; }

/* Outcomes tab */
.outcomes-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.outcome-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 20px;
  align-items: start;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.outcome-media { position: relative; }
.outcome-media img { width: 100%; border-radius: var(--radius-sm); }
.outcome-num {
  position: absolute;
  top: -10px; left: -10px;
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  z-index: 2;
}
.card-1 .outcome-num { background: #16a34a; }
.card-2 .outcome-num { background: #dc2626; }
.card-3 .outcome-num { background: #ea580c; }
.card-4 .outcome-num { background: #2563eb; }
.outcome-top-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.outcome-card h3 { font-size: 17px; line-height: 1.3; }
.outcome-meta { font-size: 12.5px; color: var(--gray); margin: 6px 0 14px; }
.outcome-card .tag { flex-shrink: 0; display: inline-block; font-size: 11px; font-weight: 700; padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
.card-1 .tag { background: #dcfce7; color: #16a34a; }
.card-2 .tag { background: #fee2e2; color: #dc2626; }
.card-3 .tag { background: #ffedd5; color: #ea580c; }
.card-4 .tag { background: #dbeafe; color: #2563eb; }
.outcome-card ul li { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; display: flex; gap: 8px; align-items: flex-start; }
.outcome-card ul li svg { flex-shrink: 0; margin-top: 2px; }
.card-1 ul li svg { color: #16a34a; }
.card-2 ul li svg { color: #dc2626; }
.card-3 ul li svg { color: #ea580c; }
.card-4 ul li svg { color: #2563eb; }

/* Roadmap tab */
.roadmap-head { text-align: center; margin-bottom: 40px; }
.roadmap-head h3 { font-size: 28px; margin-bottom: 8px; }
.roadmap-head p { color: var(--gray); font-size: 14.5px; }
.roadmap-phases { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 14px; margin-bottom: 30px; }
.roadmap-arrow { color: var(--gray-light); }
.phase-card { position: relative; border-radius: var(--radius-md); overflow: visible; border: 1px solid var(--border); background: #fff; box-shadow: 0 8px 24px rgba(15,23,42,0.05); }
.phase-head {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 74px 16px 20px;
  color: #fff; font-weight: 700; font-size: 14px; line-height: 1.25;
  border-top-left-radius: var(--radius-md); border-top-right-radius: var(--radius-md);
}
.phase-card.p1 .phase-head { background: linear-gradient(90deg,#0d9488,#14b8a6); }
.phase-card.p2 .phase-head { background: linear-gradient(90deg,#2563eb,#3b82f6); }
.phase-card.p3 .phase-head { background: linear-gradient(90deg,#7c3aed,#a855f7); }
.phase-head .tag-pill { background: rgba(255,255,255,0.25); padding: 4px 10px; border-radius: 999px; font-size: 11.5px; flex-shrink: 0; }
.phase-badge {
  position: absolute; top: -16px; right: 14px;
  width: 62px; height: 62px; border-radius: 50%;
  object-fit: cover; background: #fff;
  box-shadow: 0 6px 16px rgba(15,23,42,0.16);
  z-index: 2;
}
.phase-body { padding: 18px 20px 20px; }
.phase-step {
  display: grid;
  grid-template-columns: 24px 46px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
}
.phase-step:last-child { border-bottom: none; }
.phase-step .step-num {
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11.5px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.phase-card.p1 .step-num { background: var(--teal); }
.phase-card.p2 .step-num { background: #2563eb; }
.phase-card.p3 .step-num { background: var(--purple); }
.step-icon { width: 44px; height: 44px; border-radius: 12px; object-fit: contain; flex-shrink: 0; }
.step-text { font-size: 13.5px; color: var(--ink-soft); font-weight: 600; line-height: 1.3; }
.step-ill { width: 84px; height: auto; max-height: 76px; object-fit: contain; justify-self: end; }
.checklist-card {
  position: relative;
  background: var(--bg-tint-2);
  border-radius: var(--radius-md);
  padding: 24px 30px;
  overflow: hidden;
}
.checklist-top { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.checklist-ill { width: 84px; height: auto; flex-shrink: 0; }
.checklist-text { flex-shrink: 0; }
.checklist-text h4 { font-size: 15px; margin-bottom: 4px; }
.checklist-text p { font-size: 13px; color: var(--gray); }
.checklist-items { display: flex; gap: 22px; flex-wrap: wrap; margin-left: auto; }
.checklist-items div { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; }
.checklist-items svg { color: var(--teal); }
.checklist-cta {
  position: relative;
  z-index: 2;
  margin-top: 16px;
  margin-right: 110px;
  background: linear-gradient(90deg, var(--purple), #4c1d95);
  color: #fff;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 600;
}
.mountain-ill {
  position: absolute;
  right: 6px;
  bottom: 0;
  width: 118px;
  height: auto;
  pointer-events: none;
  z-index: 1;
}

/* ==========================================================================
   SIMPLE PAGES (Use Cases / Contact)
   ========================================================================== */
.page-hero {
  background: var(--navy);
  padding: 70px 0;
  text-align: center;
}
.page-hero h1 { color: #fff; font-size: 38px; margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 16px; max-width: 560px; margin: 0 auto; }

.usecase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 10px; }
.usecase-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.usecase-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.usecase-card .ic {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--bg-tint);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.usecase-card h3 { font-size: 18px; margin-bottom: 10px; }
.usecase-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.7; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-card:last-child { border-bottom: none; }
.contact-info-card .ic {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--bg-tint);
  color: var(--teal);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-info-card h4 { font-size: 15.5px; margin-bottom: 4px; }
.contact-info-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; }

.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 8px; color: var(--ink); }
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none;
  border-color: var(--teal-light);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 992px) {
  .hero-home .container, .about-us .container, .course-hero .hero-top,
  .course-cols, .contact-grid { grid-template-columns: 1fr; }
  .course-cards, .catalog-grid, .learn-list, .usecase-grid { grid-template-columns: repeat(2,1fr); }
  .stats-bar ul, .about-stats, .features-bar ul { grid-template-columns: repeat(2,1fr); }
  .stats-bar li { border-left: none; border-top: 1px solid var(--border); }
  .catalog-main-row { grid-template-columns: 1fr; }
  .audience-labels { margin-left: 0; }
  .catalog-sidebar { flex-direction: row; justify-content: center; gap: 40px; }
  .detail-grid { grid-template-columns: 1fr; }
  .tab-bar { grid-template-columns: repeat(3,1fr); }
  .roadmap-phases { grid-template-columns: 1fr; }
  .roadmap-arrow { transform: rotate(90deg); margin: 0 auto; }
  .outcomes-grid, .footer-grid { grid-template-columns: 1fr 1fr; }
  .catalog-card { grid-template-columns: 90px 1fr; }
  .resources-art { display: none; }
  .resource-row { grid-template-columns: 26px 64px 1fr; }
  .resource-thumb { grid-column: 2/4; width: 100%; margin-top: 10px; }
  .feature-strip { flex-wrap: wrap; }
  .feature-item { flex: 1 1 50%; border-right: none; margin-bottom: 16px; }
}

@media (max-width: 768px) {
  .nav-links { position: fixed; top: 88px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: flex-start; padding: 24px 32px; gap: 20px; border-bottom: 1px solid var(--border); transform: translateY(-150%); transition: transform .25s ease; z-index: 90; }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  .nav-actions .btn-outline { display: none; }
  .hero-home h1, .course-hero h1 { font-size: 32px; }
  .course-cards, .catalog-grid, .learn-list, .usecase-grid, .stats-bar ul, .about-stats, .features-bar ul, .outcomes-grid, .footer-grid { grid-template-columns: 1fr; }
  .tab-bar { grid-template-columns: repeat(2,1fr); }
  .section { padding: 56px 0; }
  .catalog-card { grid-template-columns: 1fr; }
  .catalog-card .thumb { width: 100%; height: 160px; }
  .outcome-card { grid-template-columns: 1fr; }
  .outcome-media { max-width: 220px; margin: 0 auto; }
  .resource-row { grid-template-columns: 1fr; text-align: center; }
  .resource-icon { margin: 0 auto; }
  .resource-thumb { grid-column: auto; width: 100%; max-width: 260px; margin: 10px auto 0; }
  .resource-text ul li { text-align: left; }
  .feature-strip { flex-direction: column; }
  .feature-item { flex: 1 1 100%; }
  .hero-rule-gradient { width: 100%; max-width: 300px; }
  .phase-step { grid-template-columns: 22px 40px 1fr; }
  .step-ill { display: none; }
  .checklist-top { justify-content: center; text-align: center; }
  .checklist-items { margin-left: 0; justify-content: center; }
  .checklist-cta { margin-right: 0; }
  .mountain-ill { display: none; }
}
