:root {
  --color-bg-base: #010912;
  --color-bg-overlay: rgba(0, 163, 255, 0.12);
  --color-card: rgba(2, 41, 62, 0.55);
  --color-card-border: rgba(94, 234, 212, 0.25);
  --color-text-primary: #f1f5f9;
  --color-text-muted: #cbd5e1;
  --color-accent: #10b981;
  --color-brand-gradient-start: #38bdf8;
  --color-brand-gradient-mid: #5eead4;
  --color-brand-gradient-end: #22d3ee;
  --font-geist-sans: "Geist", "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--color-text-primary);
  font-family: var(--font-geist-sans);
  line-height: 1.6;
  background:
    radial-gradient(circle at 15% 20%, var(--color-bg-overlay), transparent 55%),
    linear-gradient(160deg, rgba(0, 30, 44, 0.98), var(--color-bg-base));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

h1,
h2,
h3 {
  margin: 0 0 0.5em;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(1, 10, 18, 0.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(94, 234, 212, 0.12);
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.95rem;
}

.site-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--color-brand-gradient-start),
    var(--color-brand-gradient-end)
  );
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 150ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a:focus::after {
  transform: scaleX(1);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: 1.05rem;
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand:focus-visible {
  outline: 2px solid var(--color-brand-gradient-end);
  outline-offset: 4px;
}

.brand__logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.brand__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1;
  gap: 2px;
}

.brand__title {
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  background: linear-gradient(
    90deg,
    var(--color-brand-gradient-start),
    var(--color-brand-gradient-mid) 55%,
    var(--color-brand-gradient-end)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand__subtitle {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
}

.feed {
  flex: 1;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 20px 64px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feed-post {
  background: var(--color-card);
  border: 1px solid var(--color-card-border);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: 0 30px 60px rgba(8, 35, 53, 0.35);
  backdrop-filter: blur(10px);
}

.feed-post__media {
  margin-bottom: 24px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(94, 234, 212, 0.18);
}

.feed-post__media img {
  display: block;
  width: 100%;
  height: auto;
}

.feed-post__header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.feed-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.feed-post__meta time::before {
  content: "•";
  margin: 0 6px;
  color: rgba(148, 163, 184, 0.7);
}

.feed-post__title {
  font-size: clamp(1.8rem, 2vw + 1rem, 2.4rem);
  margin: 0;
}

.feed-post__content p {
  margin: 0 0 1.1em;
  font-size: 1.05rem;
  color: rgba(226, 232, 240, 0.95);
}

.feed-post__content p:last-child {
  margin-bottom: 0;
}

.feed-post__content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 16px 0;
  border-radius: 12px;
  border: 1px solid rgba(94, 234, 212, 0.18);
}

.feed__intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.feed__intro-link {
  font-weight: 600;
}

.feed__list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.feed__empty {
  margin: 0;
  text-align: center;
  color: var(--color-text-muted);
}

.feed__pagination {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.feed__button {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(94, 234, 212, 0.25);
  background: rgba(15, 118, 110, 0.25);
  color: var(--color-text-primary);
  font-weight: 600;
  cursor: pointer;
}

.feed__button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

footer {
  padding: 24px 20px 40px;
  text-align: left;
  color: rgba(148, 163, 184, 0.9);
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .feed {
    padding: 32px 16px 48px;
  }

  .feed-post {
    padding: 28px 22px;
  }

  .feed-post__meta {
    font-size: 0.85rem;
  }

  .feed__pagination {
    margin-top: 8px;
  }
}

.landing {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 20px 96px;
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.hero {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.hero__intro {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(16, 185, 129, 0.12);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(94, 234, 212, 0.8);
}

.hero__intro h1 {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin: 0;
  line-height: 1.15;
}

.hero__intro p {
  margin: 0;
  font-size: 1.05rem;
  color: rgba(226, 232, 240, 0.9);
}

.hero__highlights {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.hero__highlights li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.98rem;
  color: rgba(203, 213, 225, 0.95);
}

.hero__highlights li::before {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 6px;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(16, 185, 129, 0.25);
  text-decoration: none;
}

.button--primary {
  background: linear-gradient(135deg, var(--color-brand-gradient-start), var(--color-accent));
  color: #00151c;
}

.button--ghost {
  border: 1px solid rgba(94, 234, 212, 0.4);
  color: var(--color-text-primary);
  background: transparent;
}

.button--ghost:hover,
.button--ghost:focus-visible {
  background: rgba(16, 185, 129, 0.12);
}

.hero__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.promo-card {
  background: linear-gradient(145deg, rgba(2, 41, 62, 0.8), rgba(4, 78, 110, 0.6));
  border: 1px solid rgba(94, 234, 212, 0.25);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 25px 45px rgba(6, 43, 64, 0.35);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.promo-card h2 {
  font-size: 1.4rem;
  margin: 0;
}

.promo-card p {
  margin: 0;
  color: rgba(226, 232, 240, 0.88);
  font-size: 0.95rem;
}

.promo-card__link {
  align-self: flex-start;
  font-weight: 600;
}

.promo-note {
  margin: 0;
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px dashed rgba(94, 234, 212, 0.45);
  background: rgba(16, 185, 129, 0.14);
  font-size: 0.9rem;
  color: rgba(203, 213, 225, 0.95);
}

.landing-section {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 720px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0;
}

.section-header p {
  margin: 0;
  color: rgba(203, 213, 225, 0.9);
}

.steps {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.steps li {
  background: rgba(2, 41, 62, 0.55);
  border: 1px solid rgba(94, 234, 212, 0.2);
  border-radius: 20px;
  padding: 24px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.steps__index {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.22);
  color: rgba(94, 234, 212, 0.9);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
}

.steps h3 {
  margin: 0;
  font-size: 1.1rem;
}

.steps p {
  margin: 0;
  color: rgba(203, 213, 225, 0.9);
  font-size: 0.95rem;
}

.steps__disclaimer {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(148, 163, 184, 0.8);
}

.landing-section--cards .card-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.info-card {
  background: rgba(1, 18, 30, 0.78);
  border: 1px solid rgba(94, 234, 212, 0.2);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 18px 40px rgba(4, 28, 42, 0.35);
}

.info-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.info-card p {
  margin: 0;
  color: rgba(203, 213, 225, 0.9);
  font-size: 0.95rem;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-list details {
  background: rgba(1, 18, 30, 0.7);
  border: 1px solid rgba(94, 234, 212, 0.18);
  border-radius: 18px;
  padding: 20px 24px;
}

.faq-list summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

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

.faq-list details[open] summary {
  color: var(--color-accent);
}

.faq-list p {
  margin: 12px 0 0;
  color: rgba(203, 213, 225, 0.9);
  font-size: 0.95rem;
}

.contact {
  gap: 36px;
}

.contact-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.contact-card {
  background: rgba(2, 41, 62, 0.55);
  border: 1px solid rgba(94, 234, 212, 0.22);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-card h3 {
  margin: 0;
}

.contact-card p {
  margin: 0;
  color: rgba(203, 213, 225, 0.88);
}

.contact-card a {
  font-weight: 600;
}

.site-footer {
  padding: 32px 20px 48px;
  text-align: center;
  color: rgba(148, 163, 184, 0.85);
}

@media (max-width: 768px) {
  .site-nav {
    display: none;
  }

  .landing {
    gap: 64px;
    padding-top: 56px;
  }

  .hero {
    gap: 32px;
  }
}