:root {
  --bg-deep: #0a0b14;
  --bg-mid: #12131f;
  --card: rgba(26, 28, 46, 0.72);
  --card-solid: #1a1c2e;
  --text: #f8fafc;
  --muted: #94a3b8;
  --purple: #5d17eb;
  --purple-light: #7b2bff;
  --teal: #00c9b7;
  --teal-dim: rgba(0, 201, 183, 0.15);
  --border: rgba(148, 163, 184, 0.18);
  --glow-purple: rgba(93, 23, 235, 0.35);
  --glow-teal: rgba(0, 201, 183, 0.25);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.bg-glow::before,
.bg-glow::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: floatOrb 18s ease-in-out infinite;
}

.bg-glow::before {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle, var(--purple) 0%, transparent 70%);
}

.bg-glow::after {
  width: 360px;
  height: 360px;
  bottom: -100px;
  left: -60px;
  background: radial-gradient(circle, var(--teal) 0%, transparent 70%);
  animation-delay: -9s;
}

@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -16px) scale(1.05); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}

.logo-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  padding: 6px;
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  box-shadow: 0 0 24px var(--glow-purple);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.brand h1 {
  margin: 0;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand p {
  margin: 2px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.card {
  background: var(--card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px 32px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  animation: fadeInUp 0.65s ease 0.1s both;
}

.page-hero {
  text-align: center;
  padding: 8px 0 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
  animation: fadeInUp 0.7s ease 0.15s both;
}

.page-hero-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(93, 23, 235, 0.35), rgba(0, 201, 183, 0.2));
  border: 1px solid rgba(123, 43, 255, 0.4);
  box-shadow: 0 0 28px var(--glow-purple);
}

.page-hero-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--teal);
  fill: none;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(93, 23, 235, 0.3), rgba(0, 201, 183, 0.2));
  border: 1px solid rgba(0, 201, 183, 0.35);
  color: var(--teal);
  margin-bottom: 14px;
}

.page-hero h2,
.card > h2 {
  margin: 0 0 8px;
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #fff 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: 1.02rem;
  max-width: 540px;
  margin: 0 auto;
  color: #cbd5e1;
}

.updated {
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 20px;
}

.section-block {
  margin-bottom: 8px;
  animation: fadeInUp 0.6s ease both;
}

.section-block:nth-child(1) { animation-delay: 0.2s; }
.section-block:nth-child(2) { animation-delay: 0.25s; }
.section-block:nth-child(3) { animation-delay: 0.3s; }
.section-block:nth-child(4) { animation-delay: 0.35s; }
.section-block:nth-child(5) { animation-delay: 0.4s; }

.section-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 28px 0 10px;
  padding-left: 12px;
  border-left: 3px solid var(--purple-light);
}

.section-heading h3 {
  margin: 0;
  font-size: 1.08rem;
  color: #e2e8f0;
  font-weight: 600;
}

.section-heading .section-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--teal-dim);
  flex-shrink: 0;
}

.section-heading .section-icon svg {
  width: 16px;
  height: 16px;
  stroke: var(--teal);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

h3 {
  margin: 24px 0 8px;
  font-size: 1.05rem;
  color: #e2e8f0;
}

p,
li {
  color: #cbd5e1;
  font-size: 0.95rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

code {
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(93, 23, 235, 0.2);
  border: 1px solid rgba(123, 43, 255, 0.3);
  font-size: 0.88em;
  color: #c4b5fd;
}

a {
  color: var(--teal);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #5eead4;
  text-decoration: underline;
}

.highlight-box {
  margin: 16px 0;
  padding: 18px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0, 201, 183, 0.12), rgba(93, 23, 235, 0.08));
  border: 1px solid rgba(0, 201, 183, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.highlight-box p {
  margin: 0;
}

.contact-box {
  margin-top: 16px;
  padding: 18px 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(93, 23, 235, 0.15), rgba(0, 201, 183, 0.1));
  border: 1px solid rgba(123, 43, 255, 0.35);
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-box-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(0, 201, 183, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-box-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--teal);
  fill: none;
  stroke-width: 2;
}

.contact-box strong {
  display: block;
  margin-bottom: 6px;
  color: #f1f5f9;
}

.option-card {
  margin: 16px 0;
  padding: 20px;
  border-radius: 16px;
  background: rgba(15, 17, 30, 0.6);
  border: 1px solid var(--border);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.option-card:hover {
  border-color: rgba(123, 43, 255, 0.45);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(93, 23, 235, 0.15);
}

.option-card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.option-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-list {
  list-style: none;
  padding: 0;
  margin: 12px 0;
  counter-reset: steps;
}

.step-list li {
  counter-increment: steps;
  position: relative;
  padding: 12px 12px 12px 44px;
  margin-bottom: 8px;
  border-radius: 10px;
  background: rgba(15, 17, 30, 0.5);
  border: 1px solid var(--border);
}

.step-list li::before {
  content: counter(steps);
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--teal));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 16px 0;
}

@media (min-width: 520px) {
  .topic-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.topic-card {
  padding: 16px;
  border-radius: 14px;
  background: rgba(15, 17, 30, 0.55);
  border: 1px solid var(--border);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.topic-card:hover {
  border-color: rgba(0, 201, 183, 0.4);
  transform: translateY(-2px);
}

.topic-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(93, 23, 235, 0.3), rgba(0, 201, 183, 0.2));
}

.topic-card-icon svg {
  width: 18px;
  height: 18px;
  stroke: var(--teal);
  fill: none;
  stroke-width: 2;
}

.topic-card strong {
  display: block;
  color: #f1f5f9;
  margin-bottom: 4px;
  font-size: 0.92rem;
}

.topic-card p,
.topic-card span {
  margin: 0;
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.5;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 12px 0;
}

.check-list li {
  position: relative;
  padding: 10px 10px 10px 36px;
  margin-bottom: 6px;
  border-radius: 10px;
  background: rgba(15, 17, 30, 0.45);
  border: 1px solid var(--border);
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 12px;
  top: 10px;
  color: var(--teal);
  font-weight: 700;
  font-size: 0.9rem;
}

.nav {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a {
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.84rem;
  font-weight: 500;
  color: #cbd5e1;
  background: rgba(15, 17, 30, 0.5);
  transition: all 0.25s ease;
}

.nav a:hover {
  color: #fff;
  border-color: rgba(123, 43, 255, 0.5);
  background: linear-gradient(135deg, rgba(93, 23, 235, 0.25), rgba(0, 201, 183, 0.12));
  transform: translateY(-1px);
  text-decoration: none;
}

footer {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  animation: fadeInUp 0.6s ease 0.5s both;
}

.hero {
  text-align: center;
  padding: 8px 0 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.hero h2 {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 20px 0;
}

@media (min-width: 520px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.feature-card {
  padding: 20px;
  border-radius: 16px;
  background: rgba(15, 17, 30, 0.55);
  border: 1px solid var(--border);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(123, 43, 255, 0.45);
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(93, 23, 235, 0.18);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--purple), var(--purple-light));
  box-shadow: 0 4px 16px var(--glow-purple);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h4 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  color: #f1f5f9;
}

.feature-card p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.5;
}

.pro-banner {
  margin: 24px 0;
  padding: 22px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(93, 23, 235, 0.2), rgba(0, 201, 183, 0.1));
  border: 1px solid rgba(123, 43, 255, 0.35);
}

.pro-banner h3 {
  margin-top: 0;
  color: var(--teal);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.meta-pill {
  padding: 10px 16px;
  border-radius: 12px;
  background: rgba(15, 17, 30, 0.6);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  transition: border-color 0.2s ease;
}

.meta-pill:hover {
  border-color: rgba(0, 201, 183, 0.35);
}

.meta-pill strong {
  color: #e2e8f0;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .bg-glow::before,
  .bg-glow::after,
  .brand,
  .card,
  .page-hero,
  .section-block,
  footer {
    animation: none;
  }

  .feature-card:hover,
  .topic-card:hover,
  .option-card:hover,
  .nav a:hover {
    transform: none;
  }
}

@media (max-width: 480px) {
  .card {
    padding: 22px 18px 28px;
  }

  .page-hero h2,
  .card > h2 {
    font-size: 1.55rem;
  }

  .nav a {
    flex: 1 1 calc(50% - 10px);
    text-align: center;
  }
}