* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --ink: #14151d;
  --muted: #656b7a;
  --bg: #ffffff;
  --bg-soft: #f4f6fb;
  --card: #ffffff;
  --card-hover: #f8f9ff;
  --border: rgba(15, 18, 32, 0.1);
  --cyan: #0c93b5;
  --violet: #7c4dff;
  --grad: linear-gradient(120deg, var(--cyan), var(--violet));
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
}

.hero-inner > * {
  opacity: 0;
  transform: translateY(20px);
}

.faq-item p {
  overflow: hidden;
}

.kicker {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 1rem;
}

/* Ticker */
.ticker {
  background: #000;
  color: #fff;
  overflow: hidden;
  white-space: nowrap;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.ticker-track {
  display: inline-block;
  padding-left: 100%;
  animation: scroll-left 22s linear infinite;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ticker-track span {
  margin: 0 1rem;
  color: var(--muted);
}

@keyframes scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 20;
  transition: box-shadow 0.2s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.1rem 1.5rem;
}

.logo {
  font-weight: 900;
  font-size: 1.4rem;
  letter-spacing: 0.01em;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  gap: 2rem;
  margin-right: auto;
}

.nav a {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
}

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

.btn {
  display: inline-block;
  padding: 0.55rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  cursor: pointer;
  border: none;
  transition: box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #0c93b5 0%, #7c4dff 55%, #ec4899 100%);
  box-shadow: 0 0 0 rgba(124, 77, 255, 0);
}

.btn-primary:hover {
  box-shadow: 0 8px 28px rgba(124, 77, 255, 0.4);
}

.btn-outline {
  background: linear-gradient(135deg, #4f46e5 0%, #0c93b5 100%);
  box-shadow: 0 0 0 rgba(79, 70, 229, 0);
}

.btn-outline:hover {
  box-shadow: 0 8px 28px rgba(79, 70, 229, 0.4);
}

.btn-lg {
  padding: 0.8rem 2.2rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.3;
  animation: drift 16s ease-in-out infinite alternate;
}

.blob-a {
  width: 480px;
  height: 480px;
  background: #35e6ff;
  top: -120px;
  left: -80px;
}

.blob-b {
  width: 420px;
  height: 420px;
  background: #8b5cf6;
  bottom: -140px;
  right: -60px;
  animation-delay: 3s;
}

@keyframes drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, 30px) scale(1.08); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 18, 32, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 18, 32, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at 30% 30%, black, transparent 70%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero h1 {
  font-size: 3.6rem;
  line-height: 1.08;
  margin: 0 0 1.25rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.hero h1 .hl {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 56ch;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 1.75rem;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-num {
  font-size: 1.5rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-stat-label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Section head */
.section-head {
  max-width: 640px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-head h2 {
  font-size: 2.1rem;
  margin: 0 0 0.75rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.section-sub {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

/* Categories */
.categories {
  padding: 5.5rem 0;
}

.cat-tabs {
  display: flex;
  gap: 2rem;
  justify-content: center;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.cat-tab {
  background: none;
  border: none;
  padding: 0 0 1rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
  position: relative;
  margin-bottom: -1px;
}

.cat-tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--grad);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.cat-tab.is-active {
  color: var(--ink);
}

.cat-tab.is-active::after {
  transform: scaleX(1);
}

.cat-tab:hover {
  color: var(--ink);
}

.cat-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 1px 2px rgba(15, 18, 32, 0.04), 0 12px 24px -18px rgba(15, 18, 32, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.cat-item:hover {
  transform: translateY(-3px);
  border-color: rgba(124, 77, 255, 0.35);
  box-shadow: 0 4px 10px rgba(15, 18, 32, 0.06), 0 20px 32px -16px rgba(124, 77, 255, 0.3);
}

.cat-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cat-item-title {
  font-weight: 700;
  font-size: 1rem;
}

.cat-item-count {
  font-size: 0.82rem;
  color: var(--muted);
}

.cat-item-arrow {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.cat-item:hover .cat-item-arrow {
  transform: translateX(3px);
}

/* How it works */
.how-it-works {
  padding: 5.5rem 0;
  background: radial-gradient(ellipse at top, rgba(124, 77, 255, 0.07), transparent 60%), var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  box-shadow: 0 1px 2px rgba(15, 18, 32, 0.04), 0 16px 28px -18px rgba(15, 18, 32, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.step:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(15, 18, 32, 0.06), 0 24px 36px -16px rgba(124, 77, 255, 0.3);
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-size: 1.05rem;
  font-weight: 900;
  color: #fff;
  background: linear-gradient(135deg, #0c93b5, #7c4dff);
  border-radius: 12px;
  margin-bottom: 1rem;
}

.step h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Stats */
.stats {
  padding: 4rem 0;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.stat {
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.75rem 1rem;
  background: var(--card);
  box-shadow: 0 1px 2px rgba(15, 18, 32, 0.04), 0 16px 28px -18px rgba(15, 18, 32, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stat:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(15, 18, 32, 0.06), 0 24px 36px -16px rgba(12, 147, 181, 0.3);
}

.stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-num small {
  font-size: 1.1rem;
  color: var(--muted);
  -webkit-text-fill-color: var(--muted);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink);
  margin: 0.4rem 0 0.3rem;
}

.stat-desc {
  display: block;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Features */
.features {
  padding: 5.5rem 0;
  background: radial-gradient(ellipse at top, rgba(12, 147, 181, 0.07), transparent 60%), var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: 0 1px 2px rgba(15, 18, 32, 0.04), 0 16px 28px -18px rgba(15, 18, 32, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(124, 77, 255, 0.35);
  box-shadow: 0 4px 10px rgba(15, 18, 32, 0.06), 0 24px 36px -16px rgba(124, 77, 255, 0.3);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  font-size: 1.5rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(12, 147, 181, 0.14), rgba(124, 77, 255, 0.14));
  margin-bottom: 1.1rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 800;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Reviews */
.reviews {
  padding: 5.5rem 0;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review-card {
  background: var(--card);
  border-radius: 16px;
  padding: 1.75rem;
  border: 1px solid var(--border);
  box-shadow: 0 1px 2px rgba(15, 18, 32, 0.04), 0 16px 28px -18px rgba(15, 18, 32, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 10px rgba(15, 18, 32, 0.06), 0 24px 36px -16px rgba(236, 72, 153, 0.25);
}

.stars {
  color: var(--cyan);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.75rem;
}

.review-card p {
  margin: 0 0 1rem;
  font-size: 0.98rem;
  color: var(--ink);
}

.reviewer {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--muted);
}

/* FAQ */
.faq {
  padding: 5.5rem 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  background: var(--card);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::before {
  content: "+";
  color: var(--cyan);
  font-weight: 900;
  margin-right: 0.75rem;
}

.faq-item[open] summary::before {
  content: "\2212";
}

.faq-item p {
  margin: 0.85rem 0 0.25rem;
  color: var(--muted);
}

/* CTA banner */
.cta-banner {
  position: relative;
  padding: 5rem 0;
  text-align: center;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.25), transparent 70%);
  z-index: 0;
}

.cta-banner-inner {
  position: relative;
  z-index: 1;
}

.cta-banner h2 {
  font-size: 2.1rem;
  font-weight: 900;
  margin: 0 0 0.6rem;
}

.cta-banner p {
  margin: 0 0 2rem;
  color: var(--muted);
  max-width: 50ch;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.site-footer {
  background: #000;
  color: var(--muted);
  padding: 4rem 0 0;
  border-top: 1px solid var(--border);
  /* footer stays dark as an anchor even on the light theme, so its accents need the bright shades */
  --muted: #aab0bd;
  --border: rgba(255, 255, 255, 0.12);
  --cyan: #35e6ff;
  --violet: #8b5cf6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 32ch;
}

.logo-footer {
  color: #fff;
  font-size: 1.3rem;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 1rem;
}

.footer-col a:not(.btn) {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 0.65rem;
  color: var(--muted);
}

.footer-col a:hover:not(.btn) {
  color: var(--cyan);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  font-size: 0.85rem;
  color: #6b7280;
}

@media (max-width: 900px) {
  .cat-list-grid,
  .steps,
  .stats-inner,
  .feature-grid,
  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.4rem;
  }
  .nav {
    display: none;
  }
  .cat-list-grid,
  .steps,
  .stats-inner,
  .feature-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }
  .cat-tabs {
    gap: 1.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}