*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #050816;
  --bg-elevated: #0f172a;
  --bg-soft: #0b1120;
  --accent: #22c55e;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --accent-strong: #4ade80;
  --border-subtle: rgba(148, 163, 184, 0.35);
  --text-main: #e5e7eb;
  --text-soft: #9ca3af;
  --danger: #fb7185;
  --radius-lg: 18px;
  --radius-full: 999px;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.7);
  --shadow-subtle: 0 1px 0 rgba(148, 163, 184, 0.28);
}

html,
body {
  height: 100%;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1e293b 0, #020617 45%, #000 100%);
  color: var(--text-main);
}

body {
  display: flex;
  flex-direction: column;
}

.page {
  flex: 1;
  max-width: 1120px;
  margin: 80px auto 40px;
  padding: 0 16px 40px;
}

.top-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.95), rgba(2, 6, 23, 0.85));
  border-bottom: 1px solid rgba(148, 163, 184, 0.3);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: radial-gradient(circle at top, rgba(148, 163, 184, 0.35), rgba(15, 23, 42, 0.7));
}

.nav-links {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  padding: 4px 0;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 32px;
  margin: 32px 0 40px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(30px, 3.1vw, 36px);
  line-height: 1.1;
  margin-bottom: 12px;
}

.hero-text p {
  color: var(--text-soft);
  max-width: 460px;
  font-size: 15px;
}

.hero-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel {
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.12), rgba(15, 23, 42, 0.96));
  border-radius: 24px;
  padding: 16px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: 10px;
}

.stat-card {
  padding: 12px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
}

.stat-value {
  font-size: 20px;
  font-weight: 700;
}

.btn {
  border-radius: var(--radius-full);
  border: none;
  padding: 9px 18px;
  font-size: 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn.primary {
  background: linear-gradient(to right, var(--accent), var(--accent-strong));
  color: #022c22;
  font-weight: 600;
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.3);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(34, 197, 94, 0.35);
}

.btn.secondary {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.btn.secondary:hover {
  background: rgba(15, 23, 42, 0.8);
}

.btn.tertiary {
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--text-main);
  font-size: 13px;
}

.btn.tertiary:hover {
  border-color: var(--accent);
}

.tools {
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.96));
  border-radius: 24px;
  padding: 18px 18px 18px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: var(--shadow-soft);
  margin-bottom: 28px;
}

.tools-header h2 {
  font-size: 18px;
  margin-bottom: 4px;
}

.tools-header p {
  color: var(--text-soft);
  font-size: 13px;
}

.tools-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr) minmax(0, 1.2fr) minmax(0, 1.6fr);
  gap: 14px;
}

.tool-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tool-block label,
.tool-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-soft);
}

input[type="text"],
select {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  background: #020617;
  color: var(--text-main);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  width: 100%;
}

input[type="text"]:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.4);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  border-radius: 999px;
  padding: 6px 11px;
  font-size: 12px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.7);
  color: var(--text-soft);
  cursor: pointer;
}

.chip.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: rgba(34, 197, 94, 0.7);
}

.checkbox-block {
  justify-content: center;
  gap: 6px;
}

.checkbox-block label {
  font-size: 12px;
  color: var(--text-soft);
}

.checkbox-block input {
  margin-right: 6px;
}

.platforms {
  margin-bottom: 32px;
}

.section-header {
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: 20px;
  margin-bottom: 4px;
}

.section-header p {
  font-size: 13px;
  color: var(--text-soft);
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.platform-card {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-subtle);
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.platform-card:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.9);
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.09), #020617);
}

.platform-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.platform-name {
  font-size: 16px;
  font-weight: 600;
}

.platform-type {
  font-size: 12px;
  color: var(--text-soft);
}

.platform-rating {
  font-size: 13px;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.12);
  color: var(--accent-strong);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 2px;
}

.badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--text-soft);
}

.badge.active {
  border-color: rgba(34, 197, 94, 0.7);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.platform-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  font-size: 12px;
  margin-top: 6px;
}

.platform-meta dt {
  color: var(--text-soft);
}

.platform-meta dd {
  font-weight: 500;
}

.more-btn {
  align-self: flex-start;
  margin-top: 4px;
}

.empty-state {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(148, 163, 184, 0.6);
  font-size: 13px;
  color: var(--text-soft);
}

.hidden {
  display: none !important;
}

.about {
  padding: 18px 18px 14px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: linear-gradient(to bottom right, rgba(15, 23, 42, 0.96), rgba(8, 47, 73, 0.96));
  box-shadow: var(--shadow-soft);
  font-size: 14px;
  display: grid;
  gap: 8px;
}

.about h2 {
  font-size: 18px;
}

.about p {
  color: var(--text-soft);
}

.site-footer {
  border-top: 1px solid rgba(15, 23, 42, 0.95);
  background: #020617;
  padding: 10px 20px 16px;
  text-align: center;
  font-size: 12px;
  color: var(--text-soft);
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(10px);
}

.modal-content {
  position: relative;
  max-width: 720px;
  width: 92%;
  background: radial-gradient(circle at top left, rgba(34, 197, 94, 0.08), #020617);
  border-radius: 22px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: var(--shadow-soft);
  padding: 16px 18px 16px;
}

.modal-body {
  position: relative;
}

.modal-close {
  position: absolute;
  right: 4px;
  top: 4px;
  font-size: 18px;
  background: transparent;
  border: none;
  color: var(--text-soft);
  cursor: pointer;
  padding: 4px;
}

.modal-body h2 {
  font-size: 20px;
  margin-bottom: 2px;
}

#modalSubtitle {
  font-size: 13px;
  color: var(--text-soft);
  margin-bottom: 10px;
}

.modal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.1fr);
  gap: 12px;
  margin-top: 10px;
}

.modal-block {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 10px 11px;
  font-size: 13px;
}

.modal-block h3 {
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--accent-strong);
}

.modal-block p {
  color: var(--text-soft);
}

#modalHighlights {
  list-style: disc;
  padding-left: 16px;
  color: var(--text-soft);
}

@media (max-width: 960px) {
  .page {
    margin-top: 72px;
  }

  .hero {
    grid-template-columns: minmax(0, 1.2fr);
  }

  .hero-panel {
    order: -1;
  }

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

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

@media (max-width: 640px) {
  .top-bar {
    padding-inline: 12px;
  }

  .nav-links {
    display: none;
  }

  .page {
    padding-inline: 12px;
  }

  .tools {
    padding-inline: 12px;
  }

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

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

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