:root {
  --color-ink: #0b1520;
  --color-muted: #64717f;
  --color-surface: #ffffff;
  --color-soft: #f5f7f8;
  --color-line: rgba(11, 21, 32, 0.1);
  --color-gold: #c8a765;
  --color-teal: #2fae9b;
  --color-blue: #4078d8;
  --color-night: #07111c;
  --shadow-soft: 0 24px 70px rgba(11, 21, 32, 0.12);
  --shadow-premium: 0 30px 100px rgba(10, 21, 32, 0.28);
  --radius: 8px;
  --transition: 260ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--color-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--color-soft);
  line-height: 1.65;
}

a {
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.glass-nav {
  background: rgba(245, 247, 248, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.navbar-brand {
  color: var(--color-ink);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: #091522;
  background: linear-gradient(135deg, #f2d98f, #4bc7b6);
  border-radius: 50%;
  box-shadow: 0 10px 30px rgba(47, 174, 155, 0.24);
}

.nav-link {
  color: rgba(11, 21, 32, 0.72);
  font-weight: 650;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--color-ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: var(--radius);
  font-weight: 750;
  letter-spacing: 0;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

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

.btn-premium {
  color: #091522;
  background: linear-gradient(135deg, #f3d891, #52ccb8);
  border: 0;
  box-shadow: 0 16px 38px rgba(47, 174, 155, 0.2);
}

.btn-premium:hover,
.btn-premium:focus {
  color: #091522;
  box-shadow: 0 22px 46px rgba(47, 174, 155, 0.3);
}

.hero-section {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  padding: 9.5rem 0 5rem;
  color: #fff;
  background:
    radial-gradient(circle at 20% 18%, rgba(47, 174, 155, 0.28), transparent 28rem),
    radial-gradient(circle at 78% 18%, rgba(200, 167, 101, 0.28), transparent 30rem),
    linear-gradient(135deg, #07111c 0%, #102536 52%, #142d31 100%);
}

.hero-section::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 9rem;
  background: linear-gradient(180deg, transparent, var(--color-soft));
  pointer-events: none;
}

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

.eyebrow {
  margin-bottom: 0.9rem;
  color: var(--color-gold);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 42rem;
  margin: 1.35rem 0 2rem;
  color: rgba(255, 255, 255, 0.78);
}

.hero-visual {
  position: relative;
  isolation: isolate;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 8% 2% 4%;
  z-index: -1;
  background: rgba(79, 203, 184, 0.18);
  filter: blur(48px);
}

.hero-visual img,
.article-image {
  border-radius: var(--radius);
  box-shadow: var(--shadow-premium);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}

.trust-row div {
  min-width: 8rem;
  padding: 0.95rem 1rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}

.trust-row strong {
  display: block;
  color: #fff;
  font-size: 1.35rem;
}

.trust-row span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.9rem;
}

.section {
  padding: 6.5rem 0;
}

.compact-band {
  padding: 3rem 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.metric {
  padding: 1.35rem 1rem;
}

.metric span {
  display: block;
  color: var(--color-ink);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 850;
  line-height: 1;
}

.metric p {
  max-width: 13rem;
  margin: 0.7rem auto 0;
  color: var(--color-muted);
}

.section-heading {
  max-width: 46rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-title {
  margin-bottom: 1.2rem;
  font-size: clamp(2rem, 4vw, 3.65rem);
  font-weight: 850;
  line-height: 1.08;
}

.section-copy {
  color: var(--color-muted);
  font-size: 1.08rem;
}

.article-section,
.faq-section {
  background: var(--color-surface);
}

.article-points {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
}

.point {
  display: flex;
  gap: 1rem;
  padding: 1.2rem;
  background: #f7f9f9;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.point i,
.feature-card i {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  color: #08201d;
  background: linear-gradient(135deg, #f1d995, #54cbb8);
  border-radius: 50%;
  font-size: 1.25rem;
}

.point h3,
.feature-card h3,
.timeline-item h3 {
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
  font-weight: 800;
}

.point p,
.feature-card p,
.timeline-item p {
  margin: 0;
  color: var(--color-muted);
}

.recommendations {
  background:
    linear-gradient(180deg, #f5f7f8 0%, #edf3f1 100%);
}

.feature-card {
  height: 100%;
  padding: 1.55rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 80px rgba(11, 21, 32, 0.16);
}

.feature-card h3 {
  margin-top: 1.3rem;
}

.learning-section {
  color: #fff;
  background:
    radial-gradient(circle at 12% 30%, rgba(47, 174, 155, 0.22), transparent 25rem),
    linear-gradient(135deg, #07111c, #112331 58%, #183032);
}

.learning-section .section-copy {
  color: rgba(255, 255, 255, 0.7);
}

.sticky-copy {
  position: sticky;
  top: 7rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  padding: 1.45rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}

.timeline-item span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: #091522;
  background: #f0d48a;
  border-radius: 50%;
  font-weight: 850;
}

.timeline-item p {
  color: rgba(255, 255, 255, 0.7);
}

.cta-section {
  background: var(--color-surface);
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 30rem);
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  color: #fff;
  background:
    radial-gradient(circle at 84% 18%, rgba(200, 167, 101, 0.3), transparent 18rem),
    linear-gradient(135deg, #07111c, #14343a);
  border-radius: var(--radius);
  box-shadow: var(--shadow-premium);
}

.cta-panel h2 {
  margin: 0;
  max-width: 48rem;
  font-size: clamp(1.9rem, 4vw, 3.3rem);
  font-weight: 850;
  line-height: 1.08;
}

.signup-form {
  display: flex;
  gap: 0.75rem;
}

.signup-form .form-control {
  min-height: 3.3rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
}

.signup-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.58);
}

.accordion {
  max-width: 58rem;
  margin: 0 auto;
}

.accordion-item {
  margin-bottom: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 12px 35px rgba(11, 21, 32, 0.06);
}

.accordion-button {
  font-weight: 800;
}

.accordion-button:not(.collapsed) {
  color: var(--color-ink);
  background: #eef7f5;
  box-shadow: none;
}

.footer {
  padding: 2rem 0;
  color: rgba(255, 255, 255, 0.72);
  background: var(--color-night);
}

.footer-links {
  display: flex;
  gap: 1.1rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.74);
}

.footer-links a:hover {
  color: #fff;
}

.back-to-top {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  z-index: 20;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  color: #091522;
  background: #f0d48a;
  border: 0;
  border-radius: 50%;
  box-shadow: 0 18px 42px rgba(11, 21, 32, 0.26);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 991.98px) {
  .navbar-collapse {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.86);
    border-radius: var(--radius);
  }

  .hero-section {
    min-height: auto;
    padding-top: 8rem;
  }

  .sticky-copy {
    position: static;
  }

  .cta-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575.98px) {
  .section {
    padding: 4.5rem 0;
  }

  .hero-section {
    padding-bottom: 4rem;
  }

  .trust-row div {
    flex: 1 1 8rem;
  }

  .point {
    flex-direction: column;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .signup-form {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}