@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Space+Grotesk:wght@600;700;800&display=swap');

:root {
  --bg: #050A14;
  --surface: #0B1220;
  --card: #111827;
  --card-soft: #162033;
  --primary: #22D3EE;
  --primary-dark: #06B6D4;
  --success: #22C55E;
  --warning: #F59E0B;
  --violet: #8B5CF6;
  --text: #F8FAFC;
  --text-soft: #CBD5E1;
  --text-muted: #94A3B8;
  --border: rgba(148, 163, 184, 0.18);
  --glow: rgba(34, 211, 238, 0.28);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 0%, rgba(34, 211, 238, 0.16), transparent 32%),
    radial-gradient(circle at 88% 12%, rgba(34, 197, 94, 0.08), transparent 30%),
    var(--bg);
  min-height: 100vh;
}

a { color: inherit; }
button, input, select { font: inherit; }

.site-header {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 20;
}

.site-header-sticky {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: rgba(5, 10, 20, 0.72);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.site-header.compact { border-bottom: 1px solid rgba(148, 163, 184, 0.08); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 18px;
  color: var(--primary);
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.12), rgba(34, 197, 94, 0.08));
  box-shadow: 0 0 34px rgba(34, 211, 238, 0.24);
}
.brand-mark.small {
  width: 32px;
  height: 32px;
  border-radius: 13px;
}
.brand-text {
  font-family: "Space Grotesk", Inter, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.045em;
}
.brand-text span { color: var(--primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}
.main-nav a {
  text-decoration: none;
  color: var(--text-soft);
  font-size: 0.94rem;
  font-weight: 600;
  transition: 0.2s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--primary); }
.nav-cta {
  padding: 0.7rem 1rem;
  border: 1px solid rgba(34, 211, 238, 0.35);
  border-radius: 999px;
  background: rgba(34, 211, 238, 0.08);
}
.nav-toggle {
  display: none;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.45rem 0.7rem;
}

.hero {
  width: min(1180px, calc(100% - 32px));
  margin: 20px auto 0;
  min-height: 640px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(17, 24, 39, 0.86), rgba(11, 18, 32, 0.58)),
    radial-gradient(circle at 70% 45%, rgba(34, 211, 238, 0.16), transparent 24%);
  box-shadow: var(--shadow);
  padding: clamp(2rem, 5vw, 4.5rem);
  overflow: hidden;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 70% 50%, black, transparent 60%);
  pointer-events: none;
}
.hero-content, .hero-visual { position: relative; z-index: 2; }

.eyebrow, .section-kicker {
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin: 0 0 1rem;
}
.eyebrow span {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 18px rgba(34, 197, 94, 0.8);
}

h1, h2, h3 {
  font-family: "Space Grotesk", Inter, sans-serif;
  letter-spacing: -0.045em;
  line-height: 1.05;
}
.hero h1 { font-size: clamp(2.7rem, 6vw, 5.8rem); margin: 0 0 1.2rem; }
.hero h1 span, .page-hero h1 span { color: var(--primary); }
.hero-copy {
  color: var(--text-soft);
  font-size: 1.09rem;
  line-height: 1.8;
  max-width: 650px;
  margin: 0 0 1.6rem;
}

.hero-search {
  display: flex;
  max-width: 680px;
  padding: 0.45rem;
  gap: 0.4rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(5, 10, 20, 0.72);
}
.hero-search input,
.filters input,
.filters select,
.inline-form input,
.calculator-card input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 0.9rem 1rem;
  outline: none;
}
.hero-search input { border: 0; background: transparent; }
.hero-search input::placeholder,
.inline-form input::placeholder { color: var(--text-muted); }

.hero-search button, .inline-form button, .btn {
  border: 0;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.92rem 1.35rem;
  font-weight: 800;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}
.hero-search button, .inline-form button, .btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #03111A;
  box-shadow: 0 0 30px var(--glow);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn:hover, .hero-search button:hover, .inline-form button:hover { transform: translateY(-2px); }

.trust-row {
  display: flex; flex-wrap: wrap; gap: 0.7rem;
  margin: 1.2rem 0 1.2rem;
}
.trust-row span, .newsletter-benefits span {
  font-size: 0.86rem;
  color: var(--text-soft);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.035);
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
}
.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.quick-stats {
  margin-top: 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
}
.quick-stats div {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 16px;
}
.quick-stats strong {
  display: block;
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: 0.15rem;
}
.quick-stats span { color: var(--text-soft); font-size: 0.9rem; }

.hero-visual { min-height: 420px; display: grid; place-items: center; }
.orbital {
  width: min(420px, 82vw);
  height: min(420px, 82vw);
  position: relative;
  display: grid;
  place-items: center;
}
.orbit {
  position: absolute;
  border: 1px solid rgba(34, 211, 238, 0.25);
  border-radius: 50%;
  animation: spin 22s linear infinite;
}
.orbit-one { width: 86%; height: 86%; }
.orbit-two { width: 66%; height: 66%; animation-duration: 16s; }
.orbit-three { width: 46%; height: 46%; animation-duration: 10s; }
.nova-star {
  font-size: 8rem;
  color: var(--primary);
  text-shadow: 0 0 40px rgba(34, 211, 238, 0.7);
}
.cursor-shape {
  position: absolute;
  right: 17%;
  bottom: 22%;
  width: 0; height: 0;
  border-top: 30px solid var(--text);
  border-left: 18px solid transparent;
  transform: rotate(-35deg);
  filter: drop-shadow(0 0 22px rgba(34, 211, 238, 0.8));
}
@keyframes spin {
  from { transform: rotate(0); }
  to { transform: rotate(360deg); }
}

.section, .split-section, .page, .service-strip {
  width: min(1180px, calc(100% - 32px));
  margin: 4rem auto;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.section-head h2, .page-hero h1, .content-card h1, .detail-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
}
.text-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 800;
}

.category-grid, .tool-grid, .article-grid, .calculator-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.4rem;
}
.category-card, .tool-card, .article-card, .calculator-card, .content-card, .newsletter-card, .steps-card, .detail-shell, .service-strip {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.9), rgba(11, 18, 32, 0.72));
  padding: 1.35rem;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.22);
}
.category-card, .article-card { text-decoration: none; transition: 0.2s ease; }
.category-card:hover, .article-card:hover, .tool-card:hover { transform: translateY(-4px); border-color: rgba(34, 211, 238, 0.34); }

.category-icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px; border-radius: 15px;
  color: var(--primary);
  background: rgba(34, 211, 238, 0.09);
  border: 1px solid rgba(34, 211, 238, 0.22);
  margin-bottom: 1rem;
}
.category-icon.green { color: var(--success); background: rgba(34, 197, 94, 0.09); }
.category-icon.amber { color: var(--warning); background: rgba(245, 158, 11, 0.09); }
.category-icon.violet, .category-icon.purple { color: var(--violet); background: rgba(139, 92, 246, 0.09); }
.category-icon.cyan { color: var(--primary); }

.category-card h3, .tool-card h3, .article-card h3 { margin: 0 0 0.55rem; }
.category-card p, .tool-card p, .article-card p, .page-hero p, .content-card p, .newsletter-card p, .steps-card p, .calculator-card p, .detail-shell p, .service-strip p {
  color: var(--text-soft);
  line-height: 1.7;
}

.tool-card { position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 0.7rem; }
.tool-top { display: flex; gap: 0.9rem; align-items: flex-start; }
.tool-logo {
  width: 44px; height: 44px; border-radius: 16px; display: grid; place-items: center;
  background: rgba(34, 211, 238, 0.12);
  color: var(--primary);
  font-weight: 900;
  flex-shrink: 0;
}
.tool-meta {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin: 0.4rem 0;
}
.badge {
  font-size: 0.78rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 0.38rem 0.58rem;
  background: rgba(255, 255, 255, 0.055);
  color: var(--text-soft);
  border: 1px solid var(--border);
}
.badge.free { color: var(--success); border-color: rgba(34, 197, 94, 0.25); }
.badge.paid { color: var(--warning); border-color: rgba(245, 158, 11, 0.25); }
.badge.rating { color: var(--primary); }
.tool-actions {
  display: flex; gap: 0.8rem; flex-wrap: wrap; margin-top: auto;
}
.tool-actions a {
  text-decoration: none; font-weight: 800; font-size: 0.88rem; color: var(--primary);
}

.split-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}
.newsletter-card {
  background:
    radial-gradient(circle at 80% 50%, rgba(34, 211, 238, 0.18), transparent 35%),
    linear-gradient(135deg, rgba(37, 99, 235, 0.55), rgba(11, 18, 32, 0.8));
}
.inline-form { display: flex; gap: 0.6rem; margin-top: 1.4rem; }
.newsletter-benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1rem;
}
.steps { display: grid; gap: 0.85rem; }
.steps div {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.035);
}
.steps span { color: var(--primary); font-weight: 900; }

.service-strip {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1rem;
  align-items: center;
}
.service-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.page { min-height: 68vh; }
.page.narrow { max-width: 860px; }
.page-hero { margin: 2.2rem 0; }
.page-hero p { max-width: 740px; font-size: 1.05rem; }
.directory-panel { margin-top: 2rem; }
.filters {
  display: grid;
  grid-template-columns: 1fr 220px 190px;
  gap: 0.8rem;
  margin-bottom: 1.4rem;
}
.filters select {
  color: var(--text);
  background-color: var(--surface);
}
.article-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
}

.article-card .text-link {
  margin-top: auto;
}
.article-card .tag { color: var(--primary); font-weight: 800; font-size: 0.82rem; }

.calculator-card { display: grid; gap: 0.8rem; }
.calculator-card h2 { font-size: 1.55rem; margin: 0 0 0.4rem; }
.calculator-card label {
  color: var(--text-soft);
  display: grid;
  gap: 0.45rem;
}
.calculator-card input { border-radius: var(--radius-md); }
.result {
  margin: 0;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(34, 197, 94, 0.08);
  color: var(--success) !important;
  border: 1px solid rgba(34, 197, 94, 0.2);
  font-weight: 900;
}

.detail-shell { padding: 0; overflow: hidden; }
.detail-hero {
  padding: 1.6rem;
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle at 90% 15%, rgba(34, 211, 238, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(17, 24, 39, 0.96), rgba(11, 18, 32, 0.8));
}
.detail-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
  padding: 1.4rem;
}
.detail-panel, .detail-aside {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: rgba(255,255,255,0.03);
}
.detail-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text-soft);
}
.detail-list li { margin: 0.55rem 0; }
.info-stack {
  display: grid;
  gap: 0.8rem;
}
.info-box {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem;
  background: rgba(255,255,255,0.03);
}
.detail-actions {
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.detail-actions a {
  text-decoration: none;
}

.contact-box {
  margin-top: 1.4rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: rgba(255, 255, 255, 0.035);
}

.site-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 4rem auto 0;
  border-top: 1px solid var(--border);
  padding: 2.2rem 0;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
}
.site-footer p {
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 380px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.footer-links h4 { margin: 0 0 0.8rem; }
.footer-links a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin: 0.45rem 0;
}
.mini-footer {
  width: min(1180px, calc(100% - 32px));
  margin: 4rem auto 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .site-header { width: min(100% - 24px, 1180px); }
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: absolute;
    right: 0;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    width: min(320px, calc(100vw - 32px));
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: rgba(11, 18, 32, 0.96);
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 2rem;
  }
  .hero-visual { min-height: 280px; }
  .nova-star { font-size: 5.6rem; }
  .category-grid, .tool-grid, .article-grid, .calculator-grid, .split-section, .site-footer, .service-strip, .detail-grid {
    grid-template-columns: 1fr;
  }
  .filters, .quick-stats {
    grid-template-columns: 1fr;
  }
  .inline-form, .hero-search, .service-actions {
    flex-direction: column;
    border-radius: var(--radius-lg);
  }
  .hero-search input {
    border: 1px solid var(--border);
    border-radius: 999px;
  }
  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .footer-links { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero h1 { font-size: 2.45rem; }
  .hero, .section, .split-section, .page, .service-strip {
    width: min(100% - 20px, 1180px);
  }
  .brand-text { font-size: 1.15rem; }
}