:root {
  --bg: #0b1220;
  --card: #111a2c;
  --card-2: #18243d;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --sah-paper: #fbfcf8;
  --sah-ink: #18211d;
  --sah-muted: #657067;
  --sah-line: #d8dfd6;
  --accent: #3b82f6;
  --accent-2: #60a5fa;
  --border: #1f2a44;
  --ink: #050914;
  --ok: #7dd3fc;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  background: var(--sah-paper);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--sah-ink);
  background:
    linear-gradient(135deg, rgba(88, 199, 255, 0.08), transparent 28%),
    linear-gradient(225deg, rgba(255, 154, 106, 0.08), transparent 30%),
    linear-gradient(315deg, rgba(139, 124, 246, 0.06), transparent 36%),
    var(--sah-paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(rgba(16, 32, 28, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 32, 28, 0.035) 1px, transparent 1px),
    linear-gradient(125deg, rgba(86, 214, 163, 0.08), transparent 26%),
    linear-gradient(245deg, rgba(139, 124, 246, 0.07), transparent 30%);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, black, transparent 70%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(118deg, transparent 0 16%, rgba(88, 199, 255, 0.1) 16% 22%, transparent 22% 100%),
    linear-gradient(62deg, transparent 0 58%, rgba(244, 201, 74, 0.12) 58% 63%, transparent 63% 100%),
    linear-gradient(152deg, transparent 0 70%, rgba(233, 95, 122, 0.08) 70% 76%, transparent 76% 100%),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(16, 32, 28, 0.025) 31px 32px);
}

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

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

button,
input {
  font: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  transform: translateY(-140%);
  color: var(--bg);
  background: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  z-index: 10;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid rgba(31, 42, 68, 0.78);
  background: rgba(11, 18, 32, 0.9);
  backdrop-filter: blur(16px);
}

.site-header .brand {
  color: var(--text);
}

.demo-card,
.brand-showcase,
.card,
.compare-card,
.pricing-card,
.policy-card,
.faq-item,
.cta-strip,
.table,
table {
  color: var(--text);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--text);
  background: linear-gradient(135deg, var(--card-2), var(--accent));
  border: 1px solid rgba(96, 165, 250, 0.46);
  font-size: 15px;
  font-weight: 900;
}

.logo-mark {
  overflow: hidden;
  padding: 0;
  background: linear-gradient(135deg, var(--card-2), var(--accent));
}

.logo-mark img {
  width: 100%;
  height: 100%;
  border-radius: 12px;
  object-fit: cover;
  object-position: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  padding: 9px 11px;
  border-radius: 12px;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  background: var(--card);
}

.button,
.link-button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 17px;
  cursor: pointer;
  font-weight: 800;
  line-height: 1.1;
}

.button.primary {
  color: white;
  background: var(--accent);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent-2);
  color: var(--ink);
}

.button.secondary,
.link-button {
  color: var(--text);
  background: var(--card);
  border-color: var(--border);
}

.button.text {
  min-height: auto;
  padding-inline: 0;
  color: var(--accent-2);
  background: transparent;
}

.button[data-missing-link="true"] {
  opacity: 0.64;
}

.hero {
  padding: 76px 0 54px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(360px, 0.9fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 11ch;
  font-size: clamp(36px, 6vw, 52px);
  font-weight: 850;
}

h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 820;
}

h3 {
  font-size: 20px;
  font-weight: 800;
}

.lead {
  max-width: 62ch;
  margin: 18px 0 0;
  color: var(--sah-muted);
  font-size: 17px;
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.microcopy {
  margin: 14px 0 0;
  color: var(--sah-muted);
  font-size: 14px;
}

.demo-card {
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(24, 36, 61, 0.9), rgba(17, 26, 44, 0.92));
  padding: 18px;
}

.brand-showcase {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 22px;
  padding: 12px;
  background: rgba(8, 16, 29, 0.54);
}

.brand-showcase img {
  width: 108px;
  height: 108px;
  flex: 0 0 auto;
  border-radius: 20px;
  object-fit: cover;
  object-position: center;
  background: linear-gradient(135deg, var(--card-2), var(--accent));
  clip-path: inset(0 round 20px);
}

.brand-showcase strong,
.brand-showcase span {
  display: block;
}

.brand-showcase strong {
  font-size: 24px;
  line-height: 1.05;
}

.brand-showcase span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.demo-video {
  width: 100%;
  aspect-ratio: 16 / 11;
  border: 1px solid rgba(96, 165, 250, 0.22);
  border-radius: 22px;
  object-fit: cover;
  background: #0d1728;
}

.caption {
  margin: 12px 4px 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 58px 0;
}

.section.alt {
  background:
    radial-gradient(ellipse at 16% 18%, rgba(88, 199, 255, 0.12), transparent 30%),
    radial-gradient(ellipse at 58% 72%, rgba(244, 201, 74, 0.12), transparent 28%),
    radial-gradient(ellipse at 92% 30%, rgba(233, 95, 122, 0.1), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(250, 252, 248, 0.78));
  border-block: 1px solid var(--sah-line);
}

.section-head {
  max-width: 720px;
  margin-bottom: 28px;
}

.section-head p {
  color: var(--sah-muted);
  font-size: 17px;
}

.grid {
  display: grid;
  gap: 14px;
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.compare-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.compare-card,
.pricing-card,
.policy-card,
.faq-item {
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--card);
}

.card,
.compare-card,
.pricing-card,
.policy-card {
  padding: 22px;
}

.card p,
.compare-card p,
.pricing-card p,
.policy-card p,
.faq-answer {
  color: var(--muted);
}

.icon-tile {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(96, 165, 250, 0.28);
  border-radius: 14px;
  color: var(--accent-2);
  background: var(--card-2);
  font-weight: 900;
}

.compare-card.good {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.18), rgba(17, 26, 44, 0.96));
  border-color: rgba(96, 165, 250, 0.44);
}

.check-list,
.plain-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li,
.plain-list li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
}

.check-list li::before {
  content: "✓";
  color: var(--accent-2);
  font-weight: 900;
}

.plain-list li::before {
  content: "—";
  color: var(--accent-2);
}

.cta-strip {
  border: 1px solid rgba(96, 165, 250, 0.36);
  border-radius: 28px;
  padding: 28px;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.22), rgba(96, 165, 250, 0.08));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.page-hero {
  padding: 68px 0 36px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

.pricing-card.pro {
  background: linear-gradient(155deg, rgba(59, 130, 246, 0.22), rgba(24, 36, 61, 0.98));
  border-color: rgba(96, 165, 250, 0.48);
}

.price {
  margin: 14px 0 0;
  font-size: 40px;
  font-weight: 900;
  line-height: 1;
}

.price span {
  color: var(--muted);
  font-size: 16px;
}

.table {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 20px;
}

table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  background: var(--card);
}

th,
td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  color: var(--text);
}

td {
  color: var(--muted);
}

tr:last-child td {
  border-bottom: 0;
}

.donation-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.donation-card {
  padding: 24px;
  text-align: center;
}

.donation-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: 32px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  color: var(--text);
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
  font-weight: 800;
}

.faq-question::after {
  content: "+";
  color: var(--accent-2);
  font-size: 22px;
  line-height: 1;
}

.faq-question[aria-expanded="true"]::after {
  content: "–";
}

.faq-answer {
  display: none;
  padding: 0 18px 18px;
}

.faq-question[aria-expanded="true"] + .faq-answer {
  display: block;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  color: var(--muted);
  background: #08101d;
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.72);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .hero-grid,
  .feature-grid,
  .compare-grid,
  .pricing-grid,
  .donation-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 46px;
  }

  .cta-strip,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 32px), var(--max));
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .nav-links a {
    text-align: center;
    background: rgba(17, 26, 44, 0.6);
  }

  .hero-grid {
    gap: 28px;
  }

  .brand-showcase {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand-showcase img {
    width: 92px;
    height: 92px;
  }

  h1 {
    font-size: 36px;
  }

  .button,
  .link-button {
    width: 100%;
  }
}