/* =====================
   CSS Reset & Variables
===================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --red:        #e63946;
  --red-dark:   #c1121f;
  --orange:     #ff6b35;
  --orange-dim: #ff6b3530;
  --green:      #2ecc71;
  --blue:       #3a86ff;
  --purple:     #9b5de5;
  --yellow:     #f9c74f;
  --bg-900:     #0a0a0f;
  --bg-800:     #11111a;
  --bg-700:     #16161f;
  --bg-600:     #1e1e2a;
  --bg-500:     #252535;
  --text-100:   #f0f0f5;
  --text-200:   #c0c0d0;
  --text-400:   #7070a0;
  --border:     #2a2a3a;
  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;
  --font-body:  'Inter', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
  --max-width:  1000px;
  --transition: 0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-900);
  color: var(--text-100);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* =====================
   Utility
===================== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-100);
}

.section-title span,
.section-title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--red) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =====================
   Buttons
===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  border: none;
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
}

.btn-primary:hover {
  box-shadow: 0 6px 28px rgba(230, 57, 70, 0.55);
}

.btn-secondary {
  background: var(--bg-600);
  color: var(--text-100);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-500);
  border-color: var(--text-400);
}

/* =====================
   Navigation
===================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(42, 42, 58, 0.6);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  color: var(--text-100);
  flex-shrink: 0;
}

.nav-logo-text span { color: var(--red); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin-left: auto;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-200);
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--text-100);
  background: var(--bg-600);
}

.nav-cta {
  margin-left: 8px;
  padding: 9px 20px;
  font-size: 14px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: auto;
  padding: 8px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-100);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg-800);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 24px;
  z-index: 99;
  flex-direction: column;
  gap: 4px;
}

.nav-mobile.open { display: flex; }

.nav-mobile a {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-200);
  transition: background var(--transition), color var(--transition);
}

.nav-mobile a:hover {
  background: var(--bg-600);
  color: var(--text-100);
}

.nav-mobile .btn {
  margin-top: 8px;
  justify-content: center;
}

/* =====================
   Breadcrumb
===================== */
.breadcrumb-bar {
  padding-top: 80px;
  padding-bottom: 0;
  background: var(--bg-900);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-400);
  padding: 16px 0;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--text-400);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--text-100); }

.breadcrumb-sep {
  color: var(--border);
  font-size: 12px;
}

.breadcrumb-current {
  color: var(--text-200);
  font-weight: 600;
}

/* =====================
   Domain Hero
===================== */
.domain-hero {
  padding: 40px 24px 56px;
  background: var(--bg-900);
  position: relative;
  overflow: hidden;
}

.domain-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.domain-hero-inner {
  position: relative;
  z-index: 1;
}

.domain-hero-emoji {
  font-size: 56px;
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}

.domain-hero h1 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-100);
  margin-bottom: 16px;
  max-width: 700px;
}

.domain-hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--red) 0%, var(--orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.domain-guide-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(230, 57, 70, 0.1);
  border: 1px solid rgba(230, 57, 70, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.domain-guide-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.domain-hero-intro {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-200);
  max-width: 680px;
  line-height: 1.7;
}

/* =====================
   Guide List Section
===================== */
.guide-list-section {
  padding: 64px 24px;
  background: var(--bg-800);
}

.guide-list-header {
  margin-bottom: 32px;
}

.guide-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.guide-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  cursor: default;
}

.guide-item:hover {
  border-color: rgba(230, 57, 70, 0.35);
  background: var(--bg-600);
  transform: translateX(4px);
}

.guide-item-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-400);
  min-width: 28px;
  flex-shrink: 0;
}

.guide-item-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  flex-shrink: 0;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.guide-item:hover .guide-item-bullet { opacity: 1; }

.guide-item-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-200);
  line-height: 1.45;
  flex: 1;
  transition: color var(--transition);
}

.guide-item:hover .guide-item-name { color: var(--text-100); }

.guide-item-arrow {
  color: var(--text-400);
  font-size: 16px;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}

.guide-item:hover .guide-item-arrow {
  opacity: 1;
  transform: translateX(3px);
}

.guide-app-cta {
  margin-top: 28px;
  padding: 20px 24px;
  background: rgba(230, 57, 70, 0.06);
  border: 1px solid rgba(230, 57, 70, 0.2);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.guide-app-cta p {
  font-size: 14px;
  color: var(--text-200);
  flex: 1;
}

.guide-app-cta p strong { color: var(--text-100); }

/* =====================
   Related Domains
===================== */
.related-section {
  padding: 64px 24px;
  background: var(--bg-900);
}

.related-header {
  margin-bottom: 28px;
}

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

.related-card {
  background: var(--bg-800);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.related-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 57, 70, 0.4);
  box-shadow: 0 12px 36px rgba(0,0,0,0.3);
}

.related-card-emoji {
  font-size: 32px;
  line-height: 1;
}

.related-card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-100);
  line-height: 1.2;
}

.related-card-count {
  font-size: 12px;
  color: var(--text-400);
}

.related-card-desc {
  font-size: 13px;
  color: var(--text-200);
  line-height: 1.5;
  flex: 1;
}

.related-card-link {
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 4px;
  transition: gap var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.related-card:hover .related-card-link { gap: 8px; }

/* =====================
   Download CTA (Compact)
===================== */
.download-cta-section {
  padding: 64px 24px;
  background: var(--bg-800);
}

.download-cta-inner {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.download-cta-inner .section-label { margin-bottom: 12px; }

.download-cta-inner h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-100);
  margin-bottom: 14px;
}

.download-cta-inner p {
  font-size: 16px;
  color: var(--text-200);
  margin-bottom: 32px;
  line-height: 1.65;
}

.download-cta-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.trust-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg-700);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-400);
}

.trust-pill .dot { color: var(--green); }

/* =====================
   Footer
===================== */
.footer {
  background: var(--bg-900);
  border-top: 1px solid var(--border);
  padding: 56px 24px 32px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .nav-logo { margin-bottom: 12px; }

.footer-tagline {
  font-size: 14px;
  color: var(--text-400);
  line-height: 1.6;
  max-width: 240px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-100);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--text-400);
  transition: color var(--transition);
}

.footer-col ul a:hover { color: var(--text-100); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 13px;
  color: var(--text-400);
}

.footer-domain {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-400);
}

/* =====================
   Domains Index Grid (index page)
===================== */
.domains-index-section {
  padding: 80px 24px;
}

.domains-index-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.domain-card {
  background: var(--bg-800);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  text-decoration: none;
}

.domain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 57, 70, 0.4);
  box-shadow: 0 12px 36px rgba(0,0,0,0.35);
}

.domain-card-emoji {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 4px;
}

.domain-card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-100);
  line-height: 1.25;
}

.domain-card-count {
  font-size: 12px;
  color: var(--text-400);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.domain-card-desc {
  font-size: 13px;
  color: var(--text-200);
  line-height: 1.55;
  flex: 1;
}

.domain-card-cta {
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}

.domain-card:hover .domain-card-cta { gap: 8px; }

/* =====================
   Domains Index Hero
===================== */
.domains-index-hero {
  padding: 48px 24px 20px;
  background: var(--bg-900);
  position: relative;
  overflow: hidden;
}

.domains-index-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.domains-index-hero h1 {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-100);
  margin-bottom: 16px;
  max-width: 700px;
}

.domains-index-hero p {
  font-size: 17px;
  color: var(--text-200);
  max-width: 580px;
  line-height: 1.65;
}

/* =====================
   Responsive
===================== */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .domains-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .guide-app-cta {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .domains-index-grid {
    grid-template-columns: 1fr;
  }

  .download-cta-btns {
    flex-direction: column;
    align-items: center;
  }
}