:root {
  --bg: #ffffff;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: #ffffff;
  --text: #233525;
  --muted: #6b6b6b;
  --line: rgba(52, 76, 54, 0.12);
  --brand: #344c36;
  --brand-soft: #f4f8f1;
  --accent: #faad1b;
  --accent-soft: #fff1cf;
  --danger: #bf3f3f;
  --shadow: 0 24px 60px rgba(35, 41, 35, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(250, 173, 27, 0.18), transparent 24%),
    radial-gradient(circle at right center, rgba(52, 76, 54, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #fbfdf8 48%, #f7faf4 100%);
}

h1,
h2,
h3,
h4,
strong {
  font-family: "Space Grotesk", sans-serif;
  line-height: 1.15;
  margin: 0;
}

p {
  margin-top: 0;
}

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

button,
input,
select {
  font: inherit;
}

.course-hero,
.section,
.trusted-strip {
  padding-left: 6vw;
  padding-right: 6vw;
}

.course-hero {
  padding-top: 26px;
  padding-bottom: 40px;
}

.top-nav,
.hero-layout,
.trusted-strip,
.split-head,
.student-layout {
  display: flex;
  gap: 24px;
}

.top-nav {
  justify-content: space-between;
  align-items: center;
  margin-bottom: 52px;
}

.brand {
  text-decoration: none;
  color: var(--brand);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.top-actions,
.hero-cta,
.auth-actions,
.auth-tabs,
.course-meta,
.hero-stats,
.trusted-points,
.preview-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.solid-btn,
.ghost-btn,
.card-link {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.solid-btn {
  color: #fff;
  background: linear-gradient(135deg, #344c36 0%, #47654a 100%);
  box-shadow: 0 10px 24px rgba(52, 76, 54, 0.2);
}

.ghost-btn {
  color: var(--brand);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(52, 76, 54, 0.18);
}

.card-link {
  background: transparent;
  color: var(--brand);
  padding: 0;
}

.solid-btn:hover,
.ghost-btn:hover,
.card-link:hover,
.solid-btn:focus-visible,
.ghost-btn:focus-visible,
.card-link:focus-visible,
.auth-tab:focus-visible,
.close-auth:focus-visible {
  transform: translateY(-2px);
}

.hero-layout {
  align-items: stretch;
}

.hero-copy-block,
.hero-panel,
.roadmap-panel,
.student-card,
.platform-card,
.course-card,
.auth-dialog {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-copy-block {
  flex: 1.1;
  padding: 36px;
  border-radius: var(--radius-xl);
}

.hero-panel {
  width: min(420px, 100%);
  padding: 22px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(247, 250, 244, 0.96) 100%);
}

.badge,
.micro-label,
.course-badge,
.status-pill,
.project-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge,
.micro-label {
  padding: 6px 12px;
  color: var(--brand);
  background: var(--brand-soft);
}

.hero-copy-block h1 {
  margin: 14px 0 18px;
  max-width: 14ch;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
}

.hero-copy {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.04rem;
}

.hero-stats {
  margin-top: 30px;
}

.hero-stat {
  min-width: 150px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(52, 76, 54, 0.08);
}

.hero-stat strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.hero-stat span,
.hero-panel-head span,
.section-summary,
.auth-note,
.course-card p,
.dashboard-item p,
.platform-card p,
.roadmap-points p {
  color: var(--muted);
}

.hero-panel-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 16px;
}

.hero-panel-head p {
  margin-bottom: 4px;
  font-weight: 800;
}

.hero-course-preview {
  overflow: hidden;
  border-radius: 24px;
  background: var(--panel-strong);
  border: 1px solid rgba(52, 76, 54, 0.08);
}

.hero-course-preview img {
  height: 240px;
  object-fit: cover;
}

.preview-content {
  padding: 18px;
}

.preview-content h3 {
  margin-bottom: 10px;
  font-size: 1.3rem;
}

.preview-meta span,
.course-topline span,
.course-meta span,
.trusted-points span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #f5f7f2;
  border: 1px solid rgba(52, 76, 54, 0.08);
  font-size: 0.84rem;
}

.trusted-strip {
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  padding-bottom: 8px;
}

.trusted-copy {
  max-width: 640px;
}

.trusted-copy p {
  margin: 10px 0 0;
}

.section {
  padding-top: 48px;
  padding-bottom: 50px;
}

.split-head {
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 22px;
}

.split-head h2 {
  margin-top: 10px;
  max-width: 16ch;
  font-size: clamp(2rem, 3vw, 3rem);
}

.section-summary {
  max-width: 520px;
}

.catalog-stage {
  display: grid;
  gap: 22px;
}

.catalog-tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(52, 76, 54, 0.14);
}

.catalog-tab {
  border: none;
  background: transparent;
  color: rgba(35, 53, 37, 0.72);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 0 0 12px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.catalog-tab.is-active {
  color: var(--brand);
  border-color: var(--brand);
}

.catalog-showcase {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.6fr);
  gap: 22px;
  align-items: stretch;
  padding: 28px;
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(18, 58, 63, 0.98) 0%, rgba(24, 88, 91, 0.96) 42%, rgba(52, 76, 54, 0.96) 100%);
  box-shadow: 0 26px 58px rgba(18, 44, 34, 0.18);
  position: relative;
  overflow: hidden;
}

.catalog-showcase::before,
.catalog-showcase::after {
  content: "";
  position: absolute;
  inset: auto;
  pointer-events: none;
}

.catalog-showcase::before {
  width: 360px;
  height: 360px;
  right: -110px;
  top: -90px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(250, 173, 27, 0.16) 0%, rgba(250, 173, 27, 0) 72%);
}

.catalog-showcase::after {
  width: 540px;
  height: 220px;
  left: -90px;
  bottom: -130px;
  background: linear-gradient(90deg, rgba(250, 173, 27, 0.14) 0%, rgba(255, 255, 255, 0) 100%);
  transform: rotate(8deg);
}

.featured-course-card,
.course-rail-shell {
  position: relative;
  z-index: 1;
}

.featured-course-card {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 26px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 40px rgba(8, 28, 24, 0.18);
}

.featured-course-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--brand);
  background: rgba(52, 76, 54, 0.08);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.featured-course-logo i {
  color: var(--accent);
}

.featured-course-card h3 {
  font-size: clamp(2rem, 3vw, 3rem);
}

.featured-course-card p {
  font-size: 1.06rem;
  color: rgba(35, 53, 37, 0.78);
}

.featured-course-metrics,
.featured-course-points,
.catalog-card-metrics,
.catalog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.featured-course-metrics span,
.featured-course-points span,
.catalog-card-metrics span,
.catalog-card-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid rgba(52, 76, 54, 0.12);
  background: #fffdfa;
  color: var(--text);
  font-size: 0.92rem;
}

.featured-course-points span {
  background: rgba(244, 248, 241, 0.9);
}

.featured-course-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 4px;
}

.featured-course-price {
  display: grid;
  gap: 2px;
}

.featured-course-price strong {
  font-size: 1.85rem;
  color: var(--brand);
}

.featured-course-price small {
  color: var(--muted);
}

.course-rail-shell {
  min-width: 0;
  display: grid;
  gap: 20px;
}

.course-rail-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  color: #ffffff;
}

.course-rail-head h3 {
  margin-top: 10px;
  font-size: clamp(1.5rem, 2vw, 2rem);
}

.rail-actions {
  display: flex;
  gap: 12px;
}

.rail-btn {
  width: 52px;
  height: 52px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  color: var(--brand);
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(6, 22, 19, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.rail-btn:hover,
.rail-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(6, 22, 19, 0.24);
}

.course-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 280px);
  gap: 18px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.4) transparent;
}

.course-rail::-webkit-scrollbar {
  height: 10px;
}

.course-rail::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.36);
}

.catalog-course-card {
  display: grid;
  align-content: start;
  min-height: 100%;
  overflow: hidden;
  border-radius: 24px;
  border: 1px solid rgba(52, 76, 54, 0.08);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 16px 34px rgba(10, 31, 20, 0.14);
}

.catalog-card-media {
  position: relative;
  overflow: hidden;
}

.catalog-card-media img {
  height: 164px;
  object-fit: cover;
}

.catalog-card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 7px 11px;
  border-radius: 999px;
  color: #5c3b00;
  background: rgba(250, 173, 27, 0.92);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.catalog-card-body {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.catalog-card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.catalog-card-topline strong {
  font-size: 0.92rem;
  color: var(--brand);
}

.catalog-card-rating {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7a4c00;
  font-size: 0.9rem;
  font-weight: 700;
}

.catalog-card-body h4 {
  font-size: 1.05rem;
}

.catalog-card-body p {
  color: var(--muted);
  font-size: 0.95rem;
}

.catalog-card-metrics span,
.catalog-card-tags span {
  font-size: 0.82rem;
  padding: 7px 10px;
}

.catalog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.catalog-card-price {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--brand);
}

.catalog-card-action {
  border: none;
  padding: 11px 16px;
  border-radius: 999px;
  color: #ffffff;
  background: linear-gradient(135deg, #344c36 0%, #4f7354 100%);
  font-weight: 700;
  cursor: pointer;
}

.course-grid,
.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.course-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.course-image-wrap {
  position: relative;
}

.course-image-wrap img {
  height: 240px;
  object-fit: cover;
}

.course-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  padding: 7px 12px;
  color: #5c3b00;
  background: var(--accent-soft);
}

.muted-badge {
  color: var(--brand);
  background: rgba(235, 243, 229, 0.95);
}

.course-card-body {
  padding: 22px;
}

.course-topline {
  justify-content: space-between;
  margin-bottom: 12px;
}

.course-card h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.course-highlights {
  margin: 16px 0 20px;
  padding-left: 18px;
}

.course-footer,
.dashboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.course-footer strong {
  font-size: 1.25rem;
}

.alt-section {
  background: linear-gradient(180deg, rgba(244, 248, 241, 0.72) 0%, rgba(255, 255, 255, 0.68) 100%);
}

.platform-card {
  border-radius: var(--radius-lg);
  padding: 24px;
}

.platform-card i {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  margin-bottom: 18px;
  font-size: 1.2rem;
  color: var(--brand);
  background: var(--brand-soft);
}

.platform-card h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.student-layout {
  align-items: stretch;
}

.student-card {
  flex: 1;
  border-radius: var(--radius-xl);
  padding: 28px;
}

.auth-kicker {
  margin-bottom: 10px;
  color: var(--brand);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.78rem;
}

.auth-state-card h3,
.dashboard-card h3 {
  margin-bottom: 10px;
  font-size: 1.5rem;
}

.hidden {
  display: none !important;
}

.status-pill {
  padding: 7px 12px;
  color: #7a4c00;
  background: var(--accent-soft);
}

.status-pill.is-live {
  color: var(--brand);
  background: var(--brand-soft);
}

.dashboard-list {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.dashboard-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(247, 250, 244, 0.96);
  border: 1px solid rgba(52, 76, 54, 0.08);
}

.dashboard-item h4 {
  margin-bottom: 6px;
}

.dashboard-item span {
  padding: 8px 12px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid rgba(52, 76, 54, 0.12);
  white-space: nowrap;
}

.roadmap-panel {
  padding: 30px;
  border-radius: var(--radius-xl);
}

.roadmap-panel h2 {
  margin-top: 8px;
  margin-bottom: 22px;
}

.roadmap-points {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.roadmap-points article {
  padding: 18px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid rgba(52, 76, 54, 0.08);
}

.roadmap-points span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 20px;
}

.auth-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 19, 0.55);
}

.auth-dialog {
  position: relative;
  width: min(520px, 100%);
  border-radius: 28px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.97);
}

.close-auth {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  color: var(--brand);
  background: #f4f8f1;
}

.auth-intro h2 {
  margin: 10px 0 12px;
  font-size: 1.9rem;
}

.auth-tabs {
  margin: 24px 0 18px;
}

.auth-tab {
  border: none;
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  cursor: pointer;
  color: var(--brand);
  background: #f4f8f1;
}

.auth-tab.is-active {
  color: #fff;
  background: var(--brand);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-form label {
  display: grid;
  gap: 8px;
}

.auth-form span {
  font-weight: 700;
}

.auth-form input,
.auth-form select {
  width: 100%;
  border: 1px solid rgba(52, 76, 54, 0.14);
  border-radius: 14px;
  padding: 13px 14px;
  background: #fff;
}

.full-btn {
  width: 100%;
  justify-content: center;
}

.auth-note,
.auth-message {
  margin-top: 16px;
}

.auth-message {
  min-height: 24px;
  font-weight: 700;
  color: var(--brand);
}

.auth-message.is-error {
  color: var(--danger);
}

@media (max-width: 1100px) {
  .hero-layout,
  .student-layout,
  .split-head,
  .trusted-strip {
    flex-direction: column;
  }

  .hero-panel,
  .section-summary {
    width: 100%;
    max-width: none;
  }

  .roadmap-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .course-grid,
  .platform-grid,
  .roadmap-points {
    grid-template-columns: 1fr;
  }

  .top-nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-copy-block,
  .hero-panel,
  .student-card,
  .roadmap-panel {
    padding: 22px;
  }

  .hero-copy-block h1,
  .split-head h2,
  .auth-intro h2 {
    max-width: none;
  }

  .catalog-showcase {
    padding: 20px;
    border-radius: 28px;
  }

  .featured-course-card {
    padding: 22px;
  }

  .course-rail {
    grid-auto-columns: minmax(230px, 82vw);
  }
}

@media (max-width: 560px) {
  .course-hero,
  .section,
  .trusted-strip {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-copy-block h1 {
    font-size: 2.3rem;
  }

  .dashboard-item,
  .course-footer,
  .dashboard-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .course-rail-head,
  .featured-course-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .rail-actions {
    align-self: stretch;
  }

  .rail-btn {
    width: 48px;
    height: 48px;
  }

  .auth-dialog {
    padding: 22px 18px;
  }
}