:root {
  --brand-950: #08111f;
  --brand-900: #0f1c31;
  --brand-700: #174a7f;
  --brand-500: #2f7ad8;
  --brand-300: #98c2f6;
  --accent: #f59f00;
  --surface: #f5f8fc;
  --ink: #162033;
  --muted: #60708b;
  --border: rgba(15, 28, 49, 0.12);
}

html {
  font-size: 16px;
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(47, 122, 216, 0.16), transparent 34%),
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
}

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

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(47, 122, 216, 0.22);
}

.site-header {
  background: rgba(8, 17, 31, 0.92);
  backdrop-filter: blur(12px);
}

.page-shell {
  min-height: calc(100vh - 152px);
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--brand-950);
  color: rgba(255, 255, 255, 0.72);
}

.footer a {
  color: #fff;
}

.btn-accent {
  color: var(--brand-950);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

.btn-accent:hover,
.btn-accent:focus {
  color: var(--brand-950);
  background: #ffb627;
  border-color: #ffb627;
}

.hero-section,
.subpage-hero {
  padding: 5rem 0 3rem;
}

.hero-section {
  background:
    linear-gradient(135deg, rgba(8, 17, 31, 0.96), rgba(23, 74, 127, 0.92)),
    var(--brand-950);
  color: #fff;
}

.timeline-landing-section {
  padding: 4.5rem 0 5rem;
  background:
    radial-gradient(circle at top, rgba(245, 159, 0, 0.14), transparent 28%),
    linear-gradient(160deg, rgba(8, 17, 31, 0.98), rgba(23, 74, 127, 0.94));
  color: #fff;
  overflow: hidden;
}

.subpage-hero {
  padding-bottom: 2rem;
}

.subpage-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
}

.timeline-landing-intro {
  max-width: 960px;
  text-align: center;
  margin-bottom: 3rem;
}

.timeline-landing-intro h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.timeline-landing-intro p {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.05rem;
}

.timeline-landing-section .btn-outline-primary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.timeline-landing-section .btn-outline-primary:hover,
.timeline-landing-section .btn-outline-primary:focus {
  color: var(--brand-950);
  background: #fff;
  border-color: #fff;
}

.eyebrow,
.card-kicker {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--accent);
}

.card-kicker {
  color: var(--brand-500);
}

.glass-card,
.info-card,
.roadmap-shell,
.programs-shell {
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: 0 25px 60px rgba(15, 28, 49, 0.08);
}

.glass-card {
  padding: 2rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.hero-card h2 {
  font-size: 1.65rem;
  line-height: 1.3;
}

.feature-list {
  margin: 1.5rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.85rem;
  color: rgba(255, 255, 255, 0.86);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.hero-stats div {
  padding: 1rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats strong {
  display: block;
  font-size: 1.3rem;
  color: #fff;
}

.hero-stats span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
}

.section-spacing {
  padding: 4.5rem 0;
}

.section-soft {
  background: rgba(255, 255, 255, 0.56);
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  margin-bottom: 0.9rem;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.section-heading p {
  color: var(--muted);
  font-size: 1.05rem;
}

.info-card {
  height: 100%;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.82);
}

.info-card h3,
.info-card h2 {
  margin-bottom: 0.85rem;
}

.info-card p,
.info-card li,
.roadmap-copy p,
.offer-list li {
  color: var(--muted);
}

.roadmap-shell,
.programs-shell {
  padding: 2rem;
  background: #fff;
}

.roadmap-grid,
.programs-grid {
  display: grid;
  gap: 1.5rem;
}

.roadmap-grid {
  grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
}

.roadmap-steps,
.filter-pills {
  display: grid;
  gap: 0.75rem;
}

.step-chip,
.filter-pill {
  width: 100%;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: #fff;
  color: var(--ink);
  text-align: left;
  transition: all 0.2s ease;
}

.step-chip strong,
.filter-pill strong {
  display: block;
}

.step-chip span,
.filter-pill span {
  color: var(--muted);
  font-size: 0.95rem;
}

.step-chip.active,
.filter-pill.active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand-700), var(--brand-500));
  color: #fff;
  box-shadow: 0 18px 36px rgba(47, 122, 216, 0.26);
}

.step-chip.active span,
.filter-pill.active span {
  color: rgba(255, 255, 255, 0.84);
}

.roadmap-copy {
  padding: 1.5rem;
  border-radius: 1.25rem;
  background: var(--surface);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}

.tag-list span {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(47, 122, 216, 0.1);
  color: var(--brand-700);
  font-weight: 600;
}

.roadmap-checklist,
.offer-list {
  margin: 1.25rem 0 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.7rem;
}

.programs-grid {
  grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
}

.programs-list {
  display: grid;
  gap: 1rem;
}

.program-card {
  padding: 1.4rem;
  border-radius: 1.2rem;
  border: 1px solid var(--border);
  background: var(--surface);
}

.program-card h3 {
  margin-bottom: 0.35rem;
}

.program-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.9rem 0 0;
}

.program-meta span {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: #fff;
  color: var(--brand-700);
  font-size: 0.9rem;
  font-weight: 600;
}

.badge-soft {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: rgba(245, 159, 0, 0.14);
  color: #7a4b00;
  font-weight: 700;
}

.landing-timeline-shell {
  width: min(100%, 1120px);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.landing-timeline-board {
  position: relative;
  display: grid;
  gap: 1.5rem;
  padding: 1rem 0 0.5rem;
}

.landing-timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(245, 159, 0, 0.92), rgba(255, 255, 255, 0.14));
  transform: translateX(-50%);
}

.landing-timeline-marker {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 0.65rem;
  margin: 0.5rem 0;
  text-align: center;
}

.landing-timeline-marker-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 14rem;
  padding: 0.9rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(8, 17, 31, 0.88);
  color: #fff;
  box-shadow: 0 16px 32px rgba(3, 10, 19, 0.22);
  font-size: 1rem;
  font-weight: 700;
}

.landing-timeline-marker p {
  margin: 0;
  max-width: 26rem;
  color: rgba(255, 255, 255, 0.72);
}

.landing-timeline-row {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4.5rem minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
}

.landing-timeline-card-slot {
  display: flex;
}

.landing-timeline-card-slot.is-empty {
  min-height: 1px;
}

.landing-timeline-row.is-left .landing-timeline-card-slot:first-child {
  justify-content: flex-end;
}

.landing-timeline-row.is-right .landing-timeline-card-slot:last-child {
  justify-content: flex-start;
}

.landing-timeline-node {
  position: relative;
  width: 1rem;
  height: 1rem;
  margin: 0 auto;
  z-index: 1;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(245, 159, 0, 0.14);
}

.landing-timeline-row.is-left .landing-timeline-node::before,
.landing-timeline-row.is-right .landing-timeline-node::before {
  content: "";
  position: absolute;
  top: 50%;
  width: 1.85rem;
  height: 2px;
  background: rgba(255, 255, 255, 0.36);
  transform: translateY(-50%);
}

.landing-timeline-row.is-left .landing-timeline-node::before {
  right: calc(100% + 0.35rem);
}

.landing-timeline-row.is-right .landing-timeline-node::before {
  left: calc(100% + 0.35rem);
}

.timeline-program-card {
  width: min(100%, 360px);
  padding: 1rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-align: left;
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 32px rgba(3, 10, 19, 0.2);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.timeline-program-card:hover,
.timeline-program-card:focus-visible {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.34);
}

.timeline-program-range {
  display: inline-flex;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: lowercase;
}

.timeline-program-card strong {
  display: block;
  margin: 0.45rem 0 0.55rem;
  font-size: 1rem;
  line-height: 1.35;
}

.timeline-program-description {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.88rem;
  line-height: 1.55;
}

.programs-page-hero {
  padding-bottom: 1rem;
}

.programs-repository-shell {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  background: #fff;
  box-shadow: 0 25px 60px rgba(15, 28, 49, 0.08);
}

.programs-repository-toolbar {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.repository-filter-pills {
  flex: 1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.repository-reset {
  white-space: nowrap;
}

.repository-selection-view {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 1.5rem;
}

.repository-selection-copy {
  padding: 1.5rem;
  border-radius: 1.25rem;
  background: var(--surface);
}

.repository-selection-copy h2 {
  margin: 1rem 0 0.85rem;
}

.repository-scroll-list {
  display: grid;
  gap: 1rem;
  max-height: 42rem;
  overflow-y: auto;
  padding-right: 0.35rem;
}

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

.repository-program-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--surface);
}

.repository-program-card.is-featured {
  border-color: rgba(47, 122, 216, 0.28);
  background: linear-gradient(180deg, rgba(47, 122, 216, 0.08), rgba(255, 255, 255, 0.95));
  box-shadow: 0 16px 36px rgba(47, 122, 216, 0.12);
}

.repository-program-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.repository-program-header > div:first-child {
  flex: 1 1 14rem;
  min-width: 0;
}

.repository-program-header h3 {
  margin: 0;
}

.repository-program-range {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: #fff;
  color: var(--brand-700);
  font-size: 0.82rem;
  font-weight: 700;
  max-width: 100%;
  white-space: normal;
  text-align: center;
}

.repository-program-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1rem;
}

.repository-program-actions .btn-link {
  color: var(--brand-700);
  font-weight: 700;
  text-decoration: none;
}

.repository-program-actions .btn-link:hover,
.repository-program-actions .btn-link:focus {
  color: var(--brand-500);
}

@media (max-width: 991.98px) {
  .hero-section,
  .subpage-hero,
  .section-spacing {
    padding-top: 3.25rem;
    padding-bottom: 3.25rem;
  }

  .hero-stats,
  .roadmap-grid,
  .programs-grid {
    grid-template-columns: 1fr;
  }

  .landing-timeline-board,
  .repository-selection-view {
    grid-template-columns: 1fr;
  }

  .landing-timeline-shell {
    padding: 0 1rem;
  }

  .landing-timeline-line {
    left: 1.25rem;
    transform: none;
  }

  .landing-timeline-row,
  .landing-timeline-row.is-left,
  .landing-timeline-row.is-right {
    grid-template-columns: 2.5rem minmax(0, 1fr);
  }

  .landing-timeline-row .landing-timeline-card-slot.is-empty {
    display: none;
  }

  .landing-timeline-row .landing-timeline-card-slot {
    grid-column: 2;
  }

  .landing-timeline-node {
    grid-column: 1;
  }

  .landing-timeline-row.is-left .landing-timeline-card-slot:first-child,
  .landing-timeline-row.is-right .landing-timeline-card-slot:last-child {
    justify-content: flex-start;
  }

  .landing-timeline-row.is-left .landing-timeline-node::before,
  .landing-timeline-row.is-right .landing-timeline-node::before {
    left: calc(100% + 0.35rem);
    right: auto;
  }

  .timeline-program-card {
    width: 100%;
  }

  .repository-filter-pills {
    grid-template-columns: 1fr;
  }

  .programs-repository-toolbar {
    flex-direction: column;
  }
}

@media (max-width: 575.98px) {
  .glass-card,
  .info-card,
  .roadmap-shell,
  .programs-shell {
    padding: 1.25rem;
    border-radius: 1.1rem;
  }

  .timeline-landing-shell,
  .programs-repository-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .landing-timeline-marker {
    justify-items: start;
    padding-left: 2.5rem;
    text-align: left;
  }

  .landing-timeline-marker-badge {
    min-width: 0;
    width: 100%;
  }

  .repository-program-header {
    flex-direction: column;
  }
}