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

:root {
  --bg: #030817;
  --bg-alt: #050b1f;
  --bg-soft: #0b1120;
  --surface: #0f172a;
  --surface-soft: #111827;
  --border-subtle: rgba(148, 163, 184, 0.35);
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.18);
  --accent-strong: #38bdf8;
  --danger: #f97373;
  --radius-lg: 1.4rem;
  --radius-md: 1rem;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.65);
  --shadow-subtle: 0 16px 40px rgba(15, 23, 42, 0.45);
  --nav-height: 76px;
}

html.light {
  --bg: #f3f4f6;
  --bg-alt: #e5e7eb;
  --bg-soft: #e5e7eb;
  --surface: #ffffff;
  --surface-soft: #f9fafb;
  --border-subtle: rgba(148, 163, 184, 0.4);
  --text: #0f172a;
  --muted: #64748b;
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.12);
  --accent-strong: #2563eb;
  --shadow-soft: 0 20px 50px rgba(15, 23, 42, 0.16);
  --shadow-subtle: 0 16px 40px rgba(15, 23, 42, 0.10);
}

body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 55%),
    radial-gradient(circle at 20% 80%, rgba(129, 140, 248, 0.18), transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page {
  min-height: 100vh;
}

/* Layout */

.container {
  width: min(1120px, 100% - 2.5rem);
  margin-inline: auto;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.12), transparent 55%),
    var(--bg-alt);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: clamp(1.9rem, 2.4vw + 1rem, 2.4rem);
  margin-bottom: 0.4rem;
}

.section-header p {
  color: var(--muted);
  font-size: 0.98rem;
}

.grid {
  display: grid;
  gap: 1.8rem;
}

.tracks-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.pricing-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.container-split {
  display: grid;
  gap: 2.4rem;
}

@media (min-width: 900px) {
  .container-split {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
    align-items: center;
  }
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(100, 142, 237, 0.96), rgba(15, 23, 42, 0.85), transparent);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.header-inner {
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo-block {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 1.1rem;
  background: radial-gradient(circle at 20% 0%, #38bdf8, transparent 55%),
    radial-gradient(circle at 100% 100%, #7c3aed, #6e8bda);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.09em;
  color: #e5f0ff;
  box-shadow: 0 14px 30px rgba(100, 138, 225, 0.75);
}

.logo-mark-small {
  width: 30px;
  height: 30px;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 20% 0%, #38bdf8, transparent 55%),
    radial-gradient(circle at 100% 100%, #7c3aed, #6f8ad6);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: #e5f0ff;
  box-shadow: 0 12px 26px rgba(94, 126, 201, 0.7);
}

.logo-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.03em;
}

.logo-title .accent {
  color: var(--accent-strong);
}

.logo-subtitle {
  font-size: 0.66rem;
  color: var(--muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-size: 0.86rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.18rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width 0.18s ease-out;
}

.nav a:hover {
  color: var(--text);
}

.nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.2), transparent 55%),
    rgba(90, 125, 208, 0.85);
  box-shadow: 0 16px 35px rgba(15, 23, 42, 0.7);
}

.nav-toggle {
  display: none;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(87, 122, 204, 0.92);
  color: var(--text);
  font-size: 1rem;
  padding: 0.35rem 0.7rem;
}

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem 1rem;
  background: rgba(90, 123, 200, 0.98);
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
}

.nav-mobile a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.nav-mobile a.nav-cta {
  margin-top: 0.4rem;
  display: inline-flex;
}

.nav-mobile.open {
  display: flex;
}

@media (max-width: 840px) {
  .nav {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

/* Hero */

.hero {
  position: relative;
  padding: 3.4rem 0 3.8rem;
}

.hero-inner {
  display: grid;
  gap: 2.8rem;
}

@media (min-width: 950px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.25fr);
    align-items: center;
  }
}

.gradient-orbit {
  position: absolute;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(40px);
  opacity: 0.9;
}

.gradient-orbit-1 {
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.5), transparent 60%);
  top: -40px;
  right: 5%;
}

.gradient-orbit-2 {
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.55), transparent 60%);
  bottom: -40px;
  left: -5%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.19em;
  color: var(--accent-strong);
  margin-bottom: 0.65rem;
}

.hero h1 {
  font-size: clamp(2.1rem, 3.5vw + 1rem, 2.9rem);
  line-height: 1.08;
  margin-bottom: 0.8rem;
}

.accent {
  background: linear-gradient(120deg, var(--accent-strong), var(--accent));
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 36rem;
  margin-bottom: 1.4rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.4rem;
}

.hero-meta {
  display: grid;
  gap: 0.55rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.hero-meta .meta-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  margin-bottom: 0.08rem;
}

.hero-meta .meta-value {
  font-size: 0.85rem;
}

.hero-meta .meta-link {
  color: var(--accent-strong);
  text-decoration: none;
  font-size: 0.9rem;
}

.hero-meta .meta-link:hover {
  text-decoration: underline;
}

.hero-panel {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.1rem;
}

.stats-card {
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.28), transparent 60%),
    radial-gradient(circle at bottom right, rgba(124, 58, 237, 0.3), transparent 60%),
    var(--surface);
  border-radius: 1.6rem;
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.stats-card h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
}

.pill-list {
  list-style: none;
  padding: 0;
  margin: 0 0 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.pill-list li {
  font-size: 0.78rem;
  padding: 0.36rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(91, 127, 211, 0.75);
}

.divider {
  height: 1px;
  margin: 0.4rem 0 0.7rem;
  background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.7), transparent);
}

.small {
  font-size: 0.78rem;
  color: var(--muted);
}

.badge-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.badge {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.2), rgba(90, 122, 198, 0.95));
  border-radius: 1rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.badge-label {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 0.16rem;
}

.badge-value {
  font-size: 0.84rem;
}

.micro-note {
  font-size: 0.76rem;
  color: var(--muted);
  border-left: 2px solid rgba(148, 163, 184, 0.6);
  padding-left: 0.7rem;
}

/* Cards */

.card {
  background: linear-gradient(145deg, var(--surface), var(--surface-soft));
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.4rem;
  border: 1px solid rgba(148, 163, 184, 0.35);
  box-shadow: var(--shadow-subtle);
}

.track-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.track-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}

.track-card ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.85rem;
  color: var(--text);
}

.track-card li + li {
  margin-top: 0.25rem;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--muted);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(84, 118, 199, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.5);
  font-size: 0.8rem;
}

.price-card {
  position: relative;
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 22px 60px rgba(95, 127, 203, 0.9);
}

.price-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.price-card p {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
}

.price-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  font-size: 0.88rem;
}

.price-list li + li {
  margin-top: 0.3rem;
}

/* Panels */

.panel {
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.4rem;
  border: 1px dashed rgba(148, 163, 184, 0.6);
  background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 55%),
    radial-gradient(circle at bottom right, rgba(124, 58, 237, 0.18), transparent 55%),
    rgba(87, 120, 198, 0.9);
}

.panel-soft {
  border-style: solid;
  border-radius: 1.5rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.2rem;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.13s ease-out, box-shadow 0.13s ease-out, background 0.13s ease-out, border-color 0.13s ease-out;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  color: #e5f0ff;
  box-shadow: 0 16px 36px rgba(85, 118, 194, 0.85);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 46px rgba(80, 113, 189, 0.95);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.6);
  color: var(--text);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.78);
  transform: translateY(-1px);
}

.btn-full {
  width: 100%;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* Lists */

.checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 1.4rem;
  font-size: 0.9rem;
}

.checklist li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--text);
}

.checklist li + li {
  margin-top: 0.36rem;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0.1rem;
  font-size: 0.8rem;
  color: var(--accent-strong);
}

/* Contact Form */

.contact-form {
  display: grid;
  gap: 0.7rem;
}

.field {
  display: grid;
  gap: 0.28rem;
}

.field label {
  font-size: 0.78rem;
  color: var(--muted);
}

input,
select,
textarea {
  border-radius: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.55);
  padding: 0.5rem 0.7rem;
  font-family: inherit;
  font-size: 0.86rem;
  background: rgba(79, 112, 189, 0.85);
  color: var(--text);
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-strong);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.6);
}

/* Footer */

.site-footer {
  border-top: 1px solid rgba(148, 163, 184, 0.4);
  padding: 1.2rem 0 1.6rem;
  background: rgba(89, 118, 199, 0.98);
}

.footer-inner {
  display: grid;
  gap: 0.7rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: underline;
}

.footer-meta {
  font-size: 0.76rem;
}

@media (min-width: 800px) {
  .footer-inner {
    grid-template-columns: minmax(0, 2fr) auto auto;
  }
}

/* Floating WhatsApp & Theme Toggle */

.whatsapp-float {
  position: fixed;
  right: 1.3rem;
  bottom: 1.3rem;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: radial-gradient(circle at 0 0, #22c55e, #15803d);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ecfdf5;
  text-decoration: none;
  font-size: 1.3rem;
  box-shadow: 0 20px 45px rgba(22, 163, 74, 0.75);
  z-index: 50;
}

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

.theme-toggle {
  position: fixed;
  right: 1.4rem;
  bottom: 4.9rem;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(82, 114, 188, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 34px rgba(96, 128, 205, 0.9);
  cursor: pointer;
  z-index: 50;
}

/* Responsive tweaks */

@media (max-width: 720px) {
  .hero {
    padding-top: 2.6rem;
  }
  .section {
    padding: 3.4rem 0;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .badge-grid {
    grid-template-columns: 1fr 1fr;
  }
  .inline-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .whatsapp-float {
    right: 1.1rem;
    bottom: 1.1rem;
  }
  .theme-toggle {
    right: 1.1rem;
    bottom: 4.5rem;
  }
}