/* ============================================================
   PrimeSignalDesk.com — Domain For Sale
   Classic Luxury Theme: Ivory · Deep Ink · Antique Gold
   ============================================================ */

:root {
  /* Palette */
  --ivory:        #FBF7EE;
  --cream:        #F5EFE0;
  --paper:        #FFFEFA;
  --ink:          #1A1815;
  --ink-soft:     #2B2823;
  --muted:        #6B6354;
  --muted-soft:   #8C8472;
  --line:         #D9CFB6;
  --line-soft:    #E5DCC4;
  --gold:         #A88438;
  --gold-bright:  #C9A961;
  --gold-deep:    #856626;
  --danger:       #A8331E;
  --success:      #2D5C3E;

  /* Type scale */
  --font-serif: "Cormorant Garamond", "EB Garamond", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing */
  --container-w: 1180px;
  --container-narrow-w: 760px;
  --section-y: clamp(4rem, 9vw, 7.5rem);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 24, 21, 0.04);
  --shadow-md: 0 8px 24px -8px rgba(26, 24, 21, 0.10), 0 2px 6px rgba(26, 24, 21, 0.04);
  --shadow-gold: 0 12px 36px -12px rgba(168, 132, 56, 0.32);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ornamental backdrop — subtle paper texture + gold radial */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(80vw 60vw at 12% -10%, rgba(168, 132, 56, 0.06), transparent 60%),
    radial-gradient(60vw 60vw at 100% 10%, rgba(168, 132, 56, 0.04), transparent 55%),
    var(--ivory);
}
.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.top-hairline {
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
}

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.container-narrow {
  max-width: var(--container-narrow-w);
}

/* Typography */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 1.5rem;
}
.eyebrow .dot-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(168, 132, 56, 0.18);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 4px rgba(168, 132, 56, 0.18); }
  50% { box-shadow: 0 0 0 6px rgba(168, 132, 56, 0.04); }
}

.display, .display-2 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.02;
}
.display {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1.5rem;
}
.display-2 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  margin-bottom: 1rem;
}
.display .serif, .display-2 .serif,
.display .serif-italic, .display-2 .serif-italic {
  display: block;
}
.serif-italic {
  font-style: italic;
  font-weight: 400;
  color: var(--gold-deep);
}
.serif { font-weight: 500; }

.lede {
  font-size: clamp(1.0625rem, 1.4vw, 1.1875rem);
  color: var(--muted);
  line-height: 1.7;
  max-width: 56ch;
}
.section-lede {
  font-size: 1.0625rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 60ch;
  margin-top: 1rem;
}
.text-center { text-align: center; }
.text-center .section-lede,
.text-center .lede { margin-left: auto; margin-right: auto; }

/* Masthead */
.masthead {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(251, 247, 238, 0.86);
  border-bottom: 1px solid var(--line);
}
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--gold);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gold-deep);
  background: var(--paper);
  border-radius: 4px;
}
.brand-wordmark {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.005em;
}
.brand-wordmark .dot { color: var(--gold-deep); }
.masthead-nav {
  display: none;
  gap: 1.75rem;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
}
.masthead-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms ease;
}
.masthead-nav a:hover { color: var(--ink); }
@media (min-width: 820px) {
  .masthead-nav { display: flex; }
}
.cta-mini {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--gold-deep);
  border: 1px solid var(--gold);
  background: rgba(168, 132, 56, 0.05);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  transition: all 200ms ease;
}
.cta-mini:hover {
  background: var(--gold);
  color: var(--paper);
}

/* Hero */
.hero {
  padding: clamp(3.5rem, 8vw, 7rem) 0 var(--section-y);
}
.hero-grid {
  display: grid;
  gap: clamp(2rem, 4vw, 4rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 980px) {
  .hero-grid { grid-template-columns: 1.15fr 1fr; }
}

/* Price card in hero */
.price-card {
  margin-top: 2.5rem;
  padding: 2rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.price-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.price-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin-bottom: 0.75rem;
}
.price-value {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-serif);
  color: var(--ink);
  margin-bottom: 0.5rem;
}
.price-value .currency {
  font-size: 0.875rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}
.price-value .amount {
  font-size: clamp(3rem, 5vw, 4rem);
  font-weight: 500;
  line-height: 1;
}
.price-note {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}
.price-note strong { color: var(--ink); }
.price-features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.price-fine {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--muted-soft);
  font-style: italic;
}

/* Buttons */
.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.75rem;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 240ms cubic-bezier(0.16, 1, 0.3, 1);
}
.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--gold-deep);
  border-color: var(--gold-deep);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold-deep);
  background: rgba(168, 132, 56, 0.04);
}

/* Hero certificate */
.hero-card {
  perspective: 1000px;
}
.cert {
  position: relative;
  padding: 2.5rem 2rem 2rem;
  background: linear-gradient(180deg, var(--paper) 0%, var(--cream) 100%);
  border: 1px solid var(--line);
  border-radius: 6px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.6) inset,
    0 20px 60px -20px rgba(26, 24, 21, 0.18),
    var(--shadow-sm);
  text-align: center;
  transform: rotate(-0.4deg);
}
.cert::before, .cert::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  right: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.cert::before { top: 12px; }
.cert::after { bottom: 12px; }
.cert-monogram {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border: 1.5px solid var(--gold);
  border-radius: 999px;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--gold-deep);
  background: var(--paper);
}
.cert-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}
.cert-name {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.012em;
}
.cert-name .dim { color: var(--gold-deep); }
.cert-divider {
  height: 1px;
  margin: 0 auto 1.5rem;
  width: 60%;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.cert-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  text-align: left;
  margin: 0 auto;
  max-width: 320px;
}
.cert-meta div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8125rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--line-soft);
}
.cert-meta dt {
  color: var(--muted);
  font-weight: 500;
}
.cert-meta dd {
  color: var(--ink);
  font-weight: 500;
}
.cert-seal {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: var(--gold-deep);
}
.cert-seal p {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* Sections */
.section {
  padding: var(--section-y) 0;
  position: relative;
}
.section-cream {
  background: var(--cream);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  max-width: 760px;
}

/* Cards grid */
.cards-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2rem 1.75rem;
  position: relative;
  transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}
.card-numeral {
  display: inline-block;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--gold-deep);
  margin-bottom: 1rem;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--gold);
  border-radius: 4px;
  background: rgba(168, 132, 56, 0.05);
}
.card h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.65rem;
  letter-spacing: -0.012em;
}
.card p {
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.65;
}

/* Use cases */
.use-cases {
  list-style: none;
  display: grid;
  gap: 0;
}
.use-cases li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.use-cases li:last-child { border-bottom: none; }
.use-num {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.625rem;
  color: var(--gold-deep);
  letter-spacing: 0.02em;
}
.use-cases h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 0.5rem;
  letter-spacing: -0.012em;
}
.use-cases p {
  font-size: 1rem;
  color: var(--muted);
}

/* Stats */
.stats-section { padding: clamp(3rem, 5vw, 4.5rem) 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  text-align: center;
}
.stat {
  padding: 1.5rem 1rem;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: none; }
@media (max-width: 720px) {
  .stat { border-left: none; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: none; }
}
.stat-value {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Form */
.form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(1.75rem, 3vw, 2.75rem);
  box-shadow: var(--shadow-md);
  position: relative;
}
.form::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-row {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-bottom: 1.25rem;
}
@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}
.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.field-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.field-label .req { color: var(--gold-deep); margin-left: 0.2rem; }
.field input,
.field textarea {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--ivory);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  transition: all 200ms ease;
  width: 100%;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--muted-soft); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: var(--paper);
  box-shadow: 0 0 0 3px rgba(168, 132, 56, 0.12);
}
.field textarea { resize: vertical; min-height: 120px; }

.currency-input {
  position: relative;
}
.currency-prefix {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1rem;
  color: var(--gold-deep);
  pointer-events: none;
}
.currency-input input {
  padding-left: 2rem;
}
.hint {
  font-size: 12px;
  color: var(--muted-soft);
  margin-top: 0.25rem;
  font-style: italic;
}
.hint.error { color: var(--danger); font-style: normal; }
.hint.success { color: var(--success); font-style: normal; }

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--muted);
  margin: 1.5rem 0;
  cursor: pointer;
}
.consent input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--gold-deep);
}
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.5rem;
}
.form-status {
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  min-height: 1.25rem;
}
.form-status.success { color: var(--success); }
.form-status.error { color: var(--danger); }
.form-status.pending { color: var(--gold-deep); }

.contact-fine {
  margin-top: 1.5rem;
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}
.contact-fine a { color: var(--gold-deep); }

/* FAQ */
.faq details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.85rem;
  transition: border-color 200ms ease;
}
.faq details[open] {
  border-color: var(--gold);
}
.faq summary {
  font-family: var(--font-serif);
  font-size: 1.1875rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  letter-spacing: -0.005em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--gold-deep);
  transition: transform 240ms ease;
}
.faq details[open] summary::after {
  content: "−";
  transform: rotate(0deg);
}
.faq p {
  margin-top: 0.85rem;
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.7;
}
.faq a { color: var(--gold-deep); }

/* Links */
a { color: inherit; }

/* Footer */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--line);
  background: var(--ivory);
}
.footer-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--muted);
}
.footer-row a { color: var(--gold-deep); text-decoration: none; }
.footer-row a:hover { text-decoration: underline; text-underline-offset: 3px; }
@media (min-width: 720px) {
  .footer-row {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* Selection */
::selection { background: rgba(168, 132, 56, 0.28); color: var(--ink); }

/* Focus visible */
*:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Reveal on scroll (CSS only, very subtle) */
@media (prefers-reduced-motion: no-preference) {
  .card, .price-card, .cert, .faq details, .stat {
    animation: fadeUp 700ms cubic-bezier(0.16, 1, 0.3, 1) backwards;
  }
  .card:nth-child(2) { animation-delay: 50ms; }
  .card:nth-child(3) { animation-delay: 100ms; }
  .card:nth-child(4) { animation-delay: 150ms; }
  .card:nth-child(5) { animation-delay: 200ms; }
  .card:nth-child(6) { animation-delay: 250ms; }
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
  }
}