/* =========================================================
   domaingtld — design tokens
   Concept: domains are literally resolved text strings, so the
   whole visual language is built around a "terminal / resolver"
   motif rather than generic gradient-blob futurism.
   ========================================================= */

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

:root{
  --bg: #F6F7FA;
  --bg-soft: #ECEFF4;
  --surface: #FFFFFF;
  --surface-alt: #F1F4F9;
  --border: rgba(16,22,35,0.09);
  --border-strong: rgba(16,22,35,0.18);

  --cyan: #0C9C82;
  --cyan-dim: rgba(12,156,130,0.10);
  --amber: #C6701A;
  --amber-dim: rgba(198,112,26,0.10);

  --text-primary: #12172A;
  --text-muted: #566078;
  --text-faint: #8891A4;

  --display: 'Space Grotesk', sans-serif;
  --body: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --max-w: 1180px;
}

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

html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

.container{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4{
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

.mono{ font-family: var(--mono); }

.eyebrow{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

p{ color: var(--text-muted); margin: 0 0 1em; }

/* -------------------- Focus & accessibility -------------------- */
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* -------------------- Buttons -------------------- */
.btn{
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary{
  background: var(--cyan);
  color: #FFFFFF;
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(12,156,130,0.24);
}
.btn-ghost{
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-ghost:hover{
  border-color: var(--cyan);
  color: var(--cyan);
}
.btn-block{ width: 100%; justify-content: center; }

/* -------------------- Nav -------------------- */
.nav{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(246,247,250,0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo{
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 700;
}
.logo .dm{ color: var(--text-primary); }
.logo .tld{ color: var(--cyan); font-family: var(--mono); font-weight: 600; }

.nav-links{
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a{
  font-size: 0.92rem;
  color: var(--text-muted);
  transition: color 0.15s ease;
}
.nav-links a:hover{ color: var(--text-primary); }

.nav-cta{ display: flex; align-items: center; gap: 18px; }

.nav-toggle{ display: none; }

@media (max-width: 860px){
  .nav-links{ display: none; }
  .nav-toggle{ display: block; background: none; border: none; color: var(--text-primary); }
}

/* -------------------- Hero -------------------- */
.hero{
  position: relative;
  padding: 168px 0 96px;
  overflow: hidden;
}
.hero-grid{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 30%, transparent 75%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-content{
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero h1{
  font-size: clamp(2.4rem, 5vw, 3.6rem);
}
.hero .lede{
  font-size: 1.1rem;
  max-width: 560px;
}
.resolver{
  font-family: var(--mono);
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  font-weight: 600;
  color: var(--text-primary);
  margin: 28px 0 36px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
}
.resolver .base{ color: var(--text-primary); }
.resolver .suffix{ color: var(--cyan); }
.resolver .cursor{
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--amber);
  margin-left: 4px;
  animation: blink 1s step-start infinite;
}
@keyframes blink{ 50%{ opacity: 0; } }

.hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; }

/* -------------------- Search bar -------------------- */
.search-panel{
  position: relative;
  z-index: 2;
  margin-top: 64px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.search-row{
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 4px 4px 4px 18px;
}
.search-row .prompt{
  font-family: var(--mono);
  color: var(--cyan);
  font-weight: 600;
}
.search-row input{
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--mono);
  font-size: 1rem;
  padding: 14px 0;
}
.search-row input::placeholder{ color: var(--text-faint); }
.search-note{
  margin: 14px 2px 0;
  font-size: 0.82rem;
  color: var(--text-faint);
  font-family: var(--mono);
}

/* -------------------- Section shell -------------------- */
section{ padding: 96px 0; }
.section-head{
  max-width: 620px;
  margin-bottom: 48px;
}
.section-head h2{ font-size: clamp(1.8rem, 3.4vw, 2.4rem); }

/* -------------------- Extension grid -------------------- */
.ext-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 900px){ .ext-grid{ grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px){ .ext-grid{ grid-template-columns: 1fr; } }

.ext-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  opacity: 0;
  transform: translateY(14px);
}
.ext-card.in-view{ opacity: 1; transform: translateY(0); }
.ext-card:hover{
  transform: translateY(-4px);
  border-color: var(--cyan);
  background: var(--surface-alt);
}
.ext-card-top{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 18px;
}
.ext-card .ext-name{
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--cyan);
}
.tier-tag{
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 20px;
  color: var(--amber);
  background: var(--amber-dim);
  border: 1px solid rgba(198,112,26,0.28);
}
.ext-card p{ font-size: 0.92rem; margin-bottom: 18px; }
.ext-card-foot{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.ext-price{ font-family: var(--mono); font-size: 0.95rem; }
.ext-price span{ color: var(--text-faint); font-size: 0.78rem; }
.ext-card-foot a{
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: gap 0.15s ease, color 0.15s ease;
}
.ext-card-foot a:hover{ gap: 9px; color: var(--cyan); }

/* -------------------- Steps -------------------- */
.steps{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 780px){ .steps{ grid-template-columns: 1fr; } }
.step{ position: relative; padding-left: 0; }
.step-num{
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text-faint);
  display: block;
  margin-bottom: 14px;
}
.step h3{ font-size: 1.2rem; }
.step p{ font-size: 0.94rem; }

/* -------------------- Stats band -------------------- */
.stats-band{
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 0;
}
.stats-row{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
@media (max-width: 760px){ .stats-row{ grid-template-columns: repeat(2, 1fr); } }
.stat-num{
  font-family: var(--display);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 700;
  color: var(--cyan);
}
.stat-label{ font-size: 0.84rem; color: var(--text-muted); }

/* -------------------- Footer -------------------- */
footer{
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  background: var(--bg-soft);
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (max-width: 780px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
.footer-brand p{ max-width: 280px; font-size: 0.9rem; }
.footer-col h4{
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  margin-bottom: 16px;
}
.footer-col ul{ list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a{ font-size: 0.9rem; color: var(--text-muted); transition: color 0.15s ease; }
.footer-col a:hover{ color: var(--cyan); }
.footer-bottom{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p{ margin: 0; font-size: 0.82rem; }

/* -------------------- Detail page (extension pages) -------------------- */
.detail-hero{
  padding: 156px 0 64px;
  position: relative;
  overflow: hidden;
}
.breadcrumb{
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: 28px;
  display: block;
}
.breadcrumb a{ color: var(--text-muted); }
.breadcrumb a:hover{ color: var(--cyan); }
.detail-ext{
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(3.4rem, 9vw, 6rem);
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 18px;
}
.detail-tagline{
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 24px;
  max-width: 560px;
}
.detail-hero-actions{ display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.detail-hero-price{
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--text-muted);
}
.detail-hero-price strong{ color: var(--text-primary); font-size: 1.15rem; }

/* Two-column shell: main content (2 sections) + sticky sidebar */
.detail-layout{
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 900px){ .detail-layout{ grid-template-columns: 1fr; } }

.detail-main{ display: flex; flex-direction: column; gap: 4px; }

.detail-section{
  padding: 48px 0;
  border-top: 1px solid var(--border);
}
.detail-main .detail-section:first-child{ border-top: none; padding-top: 0; }
.detail-section h2{ font-size: clamp(1.5rem, 2.6vw, 1.9rem); max-width: 480px; }
.detail-section > p{ max-width: 560px; }

/* Section 1: overview stat cards */
.stat-cards-row{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 28px;
}
@media (max-width: 520px){ .stat-cards-row{ grid-template-columns: 1fr; } }
.stat-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  border-left: 3px solid var(--cyan);
}
.stat-card:nth-child(2n){ border-left-color: var(--amber); }
.stat-card .stat-card-num{
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--text-primary);
  display: block;
}
.stat-card .stat-card-label{ font-size: 0.8rem; color: var(--text-faint); }

/* Section 2: use-case grid + FAQ accordion */
.usecase-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 24px;
  margin-bottom: 40px;
}
@media (max-width: 520px){ .usecase-grid{ grid-template-columns: 1fr; } }
.usecase-card{
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-size: 0.94rem;
  color: var(--text-primary);
  font-weight: 500;
}
.usecase-dot{
  width: 9px; height: 9px;
  min-width: 9px;
  border-radius: 50%;
  background: var(--cyan);
}
.usecase-card:nth-child(2n) .usecase-dot{ background: var(--amber); }

.faq-list{ margin-top: 8px; }
.faq-item{
  border-bottom: 1px solid var(--border);
}
.faq-item summary{
  padding: 18px 4px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-item summary::after{
  content: '+';
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 1.2rem;
  margin-left: 12px;
}
.faq-item[open] summary::after{ content: '–'; }
.faq-item p{ font-size: 0.92rem; padding: 0 4px 18px; margin: 0; max-width: 520px; }

/* Sticky sidebar */
.side-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  height: fit-content;
  position: sticky;
  top: 96px;
}
.side-card .price-big{
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}
.side-card .price-big span{ font-size: 0.9rem; color: var(--text-faint); font-weight: 400; }

.tag-row{ display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag{
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 7px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
}

.other-ext-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.chip-link{
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.chip-link:hover{ border-color: var(--cyan); color: var(--cyan); }

/* -------------------- Reveal on scroll (generic) -------------------- */
.reveal{ opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in-view{ opacity: 1; transform: translateY(0); }