:root {
  --bg: #f8f8fc;
  --surface: #ffffff;
  --ink: #16162f;
  --muted: #5f6478;
  --line: #e9e9f0;
  --primary: #5b43d6;
  --primary-deep: #442ebf;
  --accent: #38bdf8;
  --navy: #1e1b3c;
  --shadow: 0 20px 50px -20px rgba(91, 67, 214, 0.3);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 10%, rgba(91, 67, 214, 0.15), transparent 34%),
    radial-gradient(circle at 90% 6%, rgba(56, 189, 248, 0.14), transparent 30%),
    var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  letter-spacing: -0.02em;
  margin: 0;
}

.bg-gradient-primary {
  background-image: linear-gradient(135deg, #5b43d6, #38bdf8);
}

.text-primary {
  color: #5b43d6;
}

.mobile-menu {
  display: none;
}

.mobile-menu.open {
  display: block;
}

p {
  margin: 0;
}

.container {
  width: min(1280px, 92vw);
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: clip;
  padding: 1.5rem 0 0.75rem;
}

.hero-glow {
  position: absolute;
  width: 440px;
  height: 440px;
  border-radius: 999px;
  right: -150px;
  top: -120px;
  background: conic-gradient(from 240deg, rgba(91, 67, 214, 0.45), rgba(56, 189, 248, 0.35), transparent);
  filter: blur(32px);
  z-index: -1;
}

.hero-grid {
  display: grid;
  gap: 1.4rem;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: stretch;
}

.hero-copy,
.hero-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: clamp(1.35rem, 2.2vw, 2rem);
}

.hero-copy h1 {
  font-size: clamp(1.9rem, 4vw, 3.25rem);
  margin-top: 0.8rem;
}

.hero-sub {
  color: var(--muted);
  margin-top: 1rem;
  max-width: 64ch;
}

.badge,
.eyebrow,
.panel-tag,
.modal-pill {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.badge {
  background: linear-gradient(115deg, #f1ecff, #e9f6ff);
  color: #4b3ab8;
  border: 1px solid #d8d0ff;
  border-radius: 999px;
  padding: 0.45rem 0.82rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.btn {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  font-weight: 700;
  padding: 0.7rem 1.2rem;
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, #5b43d6, #38bdf8);
  color: #ffffff;
  box-shadow: 0 20px 50px -20px rgba(91, 67, 214, 0.45);
}

.btn-secondary,
.btn-outline {
  background: #ffffff;
  color: #4b5563;
  border: 1px solid #e9e9f0;
}

.btn-outline:hover,
.btn-secondary:hover {
  border-color: rgba(91, 67, 214, 0.35);
}

.hero-meta {
  margin-top: 1.15rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-meta span {
  background: #ffffff;
  border: 1px solid #e9e9f0;
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
}

.hero-panel {
  background: linear-gradient(155deg, #4a34bf, #5b43d6 48%, #38bdf8);
  color: #f7fbff;
  padding: 1.2rem;
}

.panel-tag {
  color: #d7f2ff;
}

.hero-panel ul {
  margin: 0.95rem 0 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.8rem;
}

.hero-panel strong {
  color: #fff1a3;
}

.panel-stats {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.panel-stats article {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  padding: 0.7rem;
  text-align: center;
}

.panel-stats h3 {
  font-size: 1.22rem;
}

.panel-stats p {
  margin-top: 0.15rem;
  font-size: 0.82rem;
  color: #e8f7ff;
}

.highlights {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.highlights article,
.module,
.project-grid article,
.price-card,
.faq-list details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.highlights article {
  padding: 1rem;
}

.highlights h3 {
  font-size: 1rem;
}

.highlights p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.section-head {
  margin-bottom: 1rem;
}

.eyebrow {
  color: var(--primary-deep);
}

.section-head h2 {
  margin-top: 0.35rem;
  font-size: clamp(1.35rem, 3.4vw, 2.3rem);
}

.curriculum,
.projects,
.pricing,
.faq {
  padding: 3rem 0 0;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.module {
  padding: 1rem;
}

.module span {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.module h3 {
  margin-top: 0.38rem;
  font-size: 1.05rem;
}

.module p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.module .btn {
  margin-top: 0.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.project-grid article {
  padding: 1rem;
}

.project-grid h3 {
  font-size: 1rem;
}

.project-grid p {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.billing-toggle {
  display: inline-flex;
  border: 1px solid #e9e9f0;
  background: #fff;
  border-radius: 999px;
  padding: 0.25rem;
  gap: 0.2rem;
}

.billing-btn {
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 0.42rem 0.8rem;
  cursor: pointer;
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  color: #374151;
}

.billing-btn.active {
  background: linear-gradient(135deg, #5b43d6, #38bdf8);
  color: #f3f9fc;
}

.pricing-grid {
  margin-top: 1.25rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, 1fr);
}

.price-card {
  position: relative;
  overflow: hidden;
  padding: 3.4rem 2rem 2rem;
  border-radius: 26px;
  border: 1px solid rgba(91, 67, 214, 0.16);
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.9)),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.16), transparent 38%);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.price-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(91, 67, 214, 0.35), rgba(56, 189, 248, 0.35), rgba(91, 67, 214, 0.14));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.price-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 28px 70px -30px rgba(91, 67, 214, 0.5);
}

.price-card.featured {
  border-color: rgba(91, 67, 214, 0.4);
  background:
    linear-gradient(170deg, #fff, #f9f7ff),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.2), transparent 36%);
  transform: scale(1.03);
  box-shadow: 0 28px 70px -30px rgba(91, 67, 214, 0.5);
}

.price-card.featured:hover {
  transform: scale(1.03) translateY(-4px);
}

.popular-tag {
  position: absolute;
  top: 0.9rem;
  left: 1rem;
  transform: none;
  z-index: 2;
  white-space: nowrap;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(135deg, #5b43d6, #38bdf8);
  box-shadow: 0 6px 18px -10px rgba(91, 67, 214, 0.9);
}

.tier {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.price-card h3 {
  margin-top: 0.45rem;
  font-size: 1.35rem;
}

.price {
  margin-top: 1rem;
  font-size: 2.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.price-unit {
  font-size: 0.9rem;
  font-weight: 600;
  color: #5c6475;
}

.cycle {
  margin-top: 0.55rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.actual-price {
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
  background: rgba(123, 129, 148, 0.12);
  text-decoration: line-through;
  color: #7b8194;
}

.discount-line {
  color: #1f2a44;
  font-weight: 600;
}

.discount-pill {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  z-index: 2;
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: linear-gradient(120deg, #ef4444, #f59e0b);
  box-shadow: 0 8px 20px -12px rgba(239, 68, 68, 0.85);
}

.price-card ul {
  margin: 1.1rem 0 1.3rem;
  padding-left: 1rem;
  display: grid;
  gap: 0.55rem;
  color: #344253;
  font-size: 0.92rem;
}

.faq-list {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2.8rem;
}

.faq-list details {
  padding: 0.9rem 1rem;
}

.faq-list summary {
  cursor: pointer;
  font-family: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  list-style: none;
  position: relative;
  padding-right: 1.2rem;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  color: var(--primary-deep);
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list details p {
  margin-top: 0.5rem;
  color: var(--muted);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms ease, transform 520ms ease;
}

[data-reveal].reveal {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="left"] {
  transform: translateX(14px);
}

[data-reveal="left"].reveal {
  transform: translateX(0);
}

.enroll-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(6, 18, 35, 0.6);
  padding: 1rem;
  z-index: 70;
}

.enroll-modal.open {
  display: flex;
}

.modal-card {
  position: relative;
  width: min(500px, 96vw);
  background: #fff;
  border-radius: 20px;
  border: 1px solid #e9e9f0;
  padding: 1.1rem;
  box-shadow: 0 24px 40px -24px rgba(91, 67, 214, 0.45);
}

.modal-pill {
  color: #5b43d6;
}

.modal-card h3 {
  margin-top: 0.35rem;
  font-size: 1.34rem;
}

.modal-close {
  position: absolute;
  border: 0;
  right: 0.7rem;
  top: 0.45rem;
  background: transparent;
  color: #6b7280;
  font-size: 1.45rem;
  cursor: pointer;
}

.modal-card form {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.6rem;
}

.modal-card label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.88rem;
  color: #334155;
}

.modal-card input,
.modal-card select {
  border: 1px solid #dbe1e8;
  border-radius: 10px;
  padding: 0.65rem;
  font-family: "Inter", ui-sans-serif, system-ui, sans-serif;
  font-size: 0.95rem;
}

.btn.full {
  width: 100%;
}

.modal-note {
  margin-top: 0.65rem;
  color: #6b7280;
  font-size: 0.85rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%) translateY(15px);
  background: #2d225f;
  color: #f8fbff;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font-size: 0.86rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
  z-index: 80;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .highlights,
  .module-grid,
  .project-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .price-card.featured {
    transform: none;
  }

  .hero {
    padding-top: 1.8rem;
  }
}