:root {
  --bg-main: #020617;
  --bg-alt: #030818;
  --bg-card: #020617;
  --accent: #22d3ee;
  --accent-soft: rgba(34, 211, 238, 0.14);
  --accent-strong: #06b6d4;
  --accent-warm: #f97316;
  --text-main: #f9fafb;
  --text-muted: #cbd5f5;
  --border-soft: rgba(148, 163, 184, 0.4);
  --danger: #ef4444;
  --success: #22c55e;
  --shadow-soft: 0 22px 60px rgba(15, 23, 42, 0.85);
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);

  /* Background image + lighter dark overlay so photo is visible */
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.45), rgba(2, 6, 23, 0.85)),
    url("/assets/space-brain.jpg") center/cover fixed no-repeat;
  min-height: 100vh;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page {
  width: 100%;
  max-width: var(--max-width);
  padding: 24px 16px 60px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-size: 16px; /* Base size larger */
}

/* Smooth transitions for interactive elements */
.card,
.hero,
.btn-primary,
.btn-ghost,
.top-nav a,
.footer-nav a {
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background 0.18s ease,
    color 0.18s ease;
}

/* Strong neon-style glow for key text */
.brand-name,
.hero-title,
.hero-title span,
.section-title,
.btn-primary {
  text-shadow:
    0 0 6px rgba(34, 211, 238, 0.9),
    0 0 16px rgba(34, 211, 238, 0.6),
    0 0 26px rgba(34, 211, 238, 0.35);
}

/* HEADER */

.site-header {
  margin-bottom: 24px;
}

/* Top row: brand left, Google translate right */
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 20%, #38bdf8, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-family: Orbitron, system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: 0.13em;
  font-size: 0.9rem;
  text-transform: uppercase;
  color: var(--accent);
}

.brand-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

/* Second row: nav only */
nav.top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  margin-top: 4px;
}

.top-nav a {
  text-decoration: none;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
}

.top-nav a:hover {
  border-color: var(--accent-soft);
  background: rgba(15, 23, 42, 0.9);
  color: var(--accent-strong);
}

/* Google Translate container */
.google-translate {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.7);
}

/* HERO */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
  gap: 28px;
  padding: 26px;
  border-radius: 28px;
  background:
    radial-gradient(700px 480px at 110% -10%, rgba(34, 211, 238, 0.28), transparent 70%),
    radial-gradient(500px 380px at -10% 120%, rgba(15, 118, 110, 0.42), transparent 65%),
    linear-gradient(135deg, rgba(2, 6, 23, 0.9), rgba(2, 6, 23, 0.98));
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(148, 163, 184, 0.5);
  position: relative;
  overflow: hidden;
  margin-bottom: 32px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: radial-gradient(circle at 0 0, #38bdf8 0, transparent 55%),
                    radial-gradient(circle at 100% 100%, #22c55e 0, transparent 60%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero-left,
.hero-right {
  position: relative;
  z-index: 1;
}

/* Hero hover glow */
.hero:hover {
  box-shadow: 0 26px 70px rgba(15, 23, 42, 1);
  border-color: rgba(56, 189, 248, 0.9);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px 4px 4px;
  border-radius: var(--radius-pill);
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.5);
  margin-bottom: 14px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.hero-badge-dot {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 20%, #22c55e, #16a34a);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.7), 0 0 18px rgba(34, 197, 94, 0.7);
}

.hero-title {
  font-family: Orbitron, system-ui, sans-serif;
  font-size: 2rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.hero-title span {
  color: var(--accent-strong);
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-main);
  line-height: 1.6;
  max-width: 560px;
  margin-bottom: 18px;
}

.hero-bullets {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px 16px;
  margin-bottom: 18px;
}

.hero-bullet {
  font-size: 0.95rem;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  color: var(--text-main);
}

.hero-bullet-icon {
  margin-top: 2px;
  font-size: 0.95rem;
  color: var(--accent);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.btn-primary {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(56, 189, 248, 0.7);
  background:
    radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.3), rgba(8, 47, 73, 0.8));
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.btn-primary:hover {
  border-color: var(--accent-strong);
  background:
    radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.6), rgba(8, 47, 73, 1));
  transform: translateY(-1px);
  box-shadow: 0 16px 36px rgba(8, 47, 73, 1);
  text-shadow:
    0 0 10px rgba(34, 211, 238, 1),
    0 0 22px rgba(34, 211, 238, 0.9);
}

.btn-ghost {
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text-main);
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-ghost:hover {
  border-color: var(--accent-soft);
  background: rgba(15, 23, 42, 0.98);
  transform: translateY(-1px);
}

.hero-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 8px;
}

/* Hero right: card */

.hero-card {
  border-radius: 22px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.6);
  padding: 18px 18px 14px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.hero-card-title {
  font-size: 1rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-tag {
  font-size: 0.8rem;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(34, 211, 238, 0.55);
  color: var(--accent);
  background: rgba(8, 47, 73, 0.8);
}

.hero-card-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 12px;
  font-size: 0.9rem;
}

.hero-card-column {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-comparison-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.hero-comparison-label {
  color: var(--text-muted);
}

.hero-comparison-value {
  font-weight: 500;
}

.pill-bad {
  color: var(--danger);
}

.pill-good {
  color: var(--success);
}

.hero-card-footer {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(51, 65, 85, 0.9);
  padding-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

/* Sections */

.section {
  margin-bottom: 30px;
}

.section-header {
  margin-bottom: 10px;
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--accent-strong);
  margin-bottom: 6px;
}

.section-title {
  font-size: 1.3rem;
  margin: 0 0 4px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-main);
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 16px;
}

.card {
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), rgba(15, 23, 42, 0.96));
  border: 1px solid rgba(51, 65, 85, 0.95);
  padding: 18px 18px 14px;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.95);
}

/* Light-up effect on cards */
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 1);
  border-color: rgba(56, 189, 248, 0.9);
  background:
    radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.32), rgba(15, 23, 42, 0.98));
}

.card-muted {
  background: rgba(15, 23, 42, 0.96);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.card-text {
  font-size: 0.98rem;
  color: var(--text-main);
  line-height: 1.7;
}

.bullet-list {
  margin: 8px 0 0;
  padding-left: 18px;
  color: var(--text-main);
  font-size: 0.98rem;
}

.bullet-list li + li {
  margin-top: 4px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.pill {
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: var(--text-main);
  background: rgba(15, 23, 42, 0.9);
}

.pill-accent {
  border-color: rgba(34, 211, 238, 0.8);
  color: var(--accent);
  background: rgba(8, 47, 73, 0.95);
}

.comparison-table-wrap {
  margin-top: 10px;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(51, 65, 85, 0.9);
  background: rgba(15, 23, 42, 0.98);
}

table.comparison {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 650px;
}

table.comparison th,
table.comparison td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(30, 41, 59, 0.95);
  text-align: left;
  white-space: nowrap;
}

table.comparison th {
  background: rgba(15, 23, 42, 1);
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(51, 65, 85, 0.95);
}

table.comparison tr:nth-child(even) td {
  background: rgba(15, 23, 42, 0.92);
}

table.comparison tr:nth-child(odd) td {
  background: rgba(15, 23, 42, 0.96);
}

.tag-yes {
  color: var(--success);
  font-weight: 600;
}

.tag-no {
  color: var(--danger);
  font-weight: 500;
}

.tag-partial {
  color: var(--accent-warm);
  font-weight: 500;
}

/* FOOTER */

footer.site-footer {
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(30, 41, 59, 0.9);
}

.footer-nav {
  margin-bottom: 8px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  border-color: rgba(148, 163, 184, 0.8);
  background: rgba(15, 23, 42, 0.95);
  color: var(--accent-strong);
}

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

.footer-copy a:hover {
  text-decoration: underline;
}

/* Responsive */

@media (max-width: 860px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-right {
    align-self: flex-end;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding: 20px;
  }

  .hero-right {
    order: -1;
  }

  .hero-bullets {
    grid-template-columns: minmax(0, 1fr);
  }

  .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 520px) {
  .page {
    padding: 18px 12px 40px;
  }

  .hero {
    padding: 16px;
  }

  .hero-title {
    font-size: 1.7rem;
  }

  .comparison-table-wrap {
    border-radius: 14px;
  }
}