/* ==========================================================================
   InvPros.com: domain investment & premium digital assets
   Palette: boardroom navy #0f1b33, champagne gold #c9a548, ivory text
   Type: Marcellus (display) / Manrope (text)
   ========================================================================== */

:root {
  --navy: #0f1b33;
  --navy-deep: #0a1426;
  --navy-raised: #14223e;
  --navy-panel: #182949;
  --gold: #c9a548;
  --gold-bright: #e0be66;
  --ink: #eef0f6;
  --ink-dim: #a4aec6;
  --line: rgba(255, 255, 255, 0.08);
  --line-gold: rgba(201, 165, 72, 0.35);
  --display: "Marcellus", "Times New Roman", serif;
  --text: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: var(--navy);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: min(1180px, 92vw); margin-left: auto; margin-right: auto; }

/* anchor jumps land below the sticky header */
main section[id] { scroll-margin-top: 5.2rem; }

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.14; }

a { color: var(--gold-bright); text-decoration: none; }

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

.eyebrow {
  font-size: 0.73rem; font-weight: 600;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem;
}

.fine { font-size: 0.85rem; color: var(--ink-dim); }

/* ------------------------------------------------------------- buttons */
.btn {
  display: inline-block;
  padding: 0.92rem 2.2rem;
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  border: 1px solid transparent;
  transition: all 0.24s ease;
  cursor: pointer;
}
.btn--gold { background: linear-gradient(135deg, #b8963e, #e0be66 55%, #b8963e); color: #17130a; }
.btn--gold:hover { filter: brightness(1.08); transform: translateY(-1px); }
.btn--sm { padding: 0.55rem 1.35rem; font-size: 0.72rem; }
.btn--full { width: 100%; text-align: center; }

/* ------------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 20, 38, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 0; }
.wordmark { display: flex; align-items: center; font-family: var(--display); font-size: 1.55rem; color: var(--ink); }
.wordmark-logo { height: 2.6rem; width: auto; display: block; margin-right: 0.55rem; }
.wordmark span { color: var(--gold-bright); }
.header-nav { display: flex; align-items: center; gap: 1.7rem; }
.header-nav a:not(.btn) {
  font-size: 0.86rem; font-weight: 600; color: var(--ink-dim);
  letter-spacing: 0.04em; transition: color 0.2s ease;
}
.header-nav a:not(.btn):hover { color: var(--gold-bright); }

/* ------------------------------------------------------------- hero */
.hero {
  padding: 6.5rem 0 5.5rem;
  text-align: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(201, 165, 72, 0.10), transparent 65%),
    radial-gradient(ellipse 70% 60% at 50% 115%, rgba(30, 58, 110, 0.5), transparent 70%),
    linear-gradient(180deg, var(--navy-deep), var(--navy));
}
.hero-inner { max-width: 52rem; margin-inline: auto; }
.hero h1 { font-size: clamp(2.6rem, 5.6vw, 4.2rem); }
.lede { margin: 1.5rem auto 2.6rem; font-size: 1.16rem; color: var(--ink-dim); max-width: 40rem; }

.search-shell {
  display: flex; align-items: center; gap: 0.9rem;
  max-width: 40rem; margin: 0 auto 2.4rem;
  padding: 0.35rem 0.5rem 0.35rem 1.3rem;
  background: var(--navy-panel);
  border: 1px solid var(--line-gold);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
.search-shell svg { color: var(--gold); flex-shrink: 0; }
.search-shell input {
  flex: 1; min-width: 0; padding: 0.85rem 0;
  background: transparent; border: none; outline: none;
  color: var(--ink); font-family: var(--text); font-size: 1.04rem;
  -webkit-appearance: none; appearance: none; border-radius: 0;
}
.search-shell input::-webkit-search-decoration,
.search-shell input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search-shell input::placeholder { color: var(--ink-dim); opacity: 0.75; }
.search-count { font-size: 0.8rem; color: var(--gold-bright); padding-right: 0.8rem; white-space: nowrap; }

.hero-stats { display: flex; gap: 3rem; justify-content: center; }
.stat { font-size: 0.8rem; color: var(--ink-dim); letter-spacing: 0.05em; }
.stat span { display: block; font-family: var(--display); font-size: 1.7rem; color: var(--gold-bright); }

/* ------------------------------------------------------------- sections */
.section-head { max-width: 48rem; margin-bottom: 2.4rem; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); }
.section-sub { margin-top: 1rem; color: var(--ink-dim); }

/* results view */
[hidden] { display: none !important; }
.results { padding: 3rem 0 5rem; min-height: 60vh; }
.back-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin-bottom: 1.8rem;
  padding: 0.6rem 1.25rem;
  background: transparent;
  border: 1px solid var(--line-gold);
  color: var(--gold-bright);
  font-family: var(--text); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.05em; cursor: pointer;
  transition: all 0.2s ease;
}
.back-btn:hover { background: rgba(201, 165, 72, 0.12); border-color: var(--gold); }
.results .section-head { margin-bottom: 1.8rem; }

.portfolio { padding: 5.5rem 0 4.5rem; }
.web3 {
  padding: 5.5rem 0;
  background: var(--navy-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ------------------------------------------------------------- filters */
.filter-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 2rem; }
.chip {
  padding: 0.5rem 1.15rem;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  font-family: var(--text); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all 0.2s ease;
}
.chip:hover { border-color: var(--line-gold); color: var(--ink); }
.chip.is-active { background: rgba(201, 165, 72, 0.14); border-color: var(--gold); color: var(--gold-bright); }

/* ------------------------------------------------------------- domain grid */
.domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 0.9rem;
}
.domain-card {
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 1.25rem 1.35rem 1.1rem;
  background: var(--navy-raised);
  border: 1px solid var(--line);
  transition: border-color 0.22s ease, transform 0.22s ease;
}
.domain-card:hover { border-color: var(--line-gold); transform: translateY(-2px); }
.card-thumb {
  display: block;
  margin: 0 auto 1rem;
  width: 100%;
  border: 1px solid var(--line);
  transition: border-color 0.22s ease;
  line-height: 0;
}
a.card-thumb:hover { border-color: var(--gold); }
.card-thumb img {
  width: 100%; height: 104px;
  object-fit: cover; display: block;
}
.card-name-link { color: inherit; transition: color 0.2s ease; }
.card-name-link:hover { color: var(--gold-bright); }
.card-name-link span { color: var(--gold-bright); }

/* sold state */
.domain-card { position: relative; }
.domain-card--sold { opacity: 0.72; }
.domain-card--sold .card-thumb img { filter: grayscale(0.55); }
.card-badge {
  position: absolute; top: 0.7rem; right: 0.7rem; z-index: 2;
  padding: 0.28rem 0.7rem;
  background: #b23a3a; color: #fff;
  font-size: 0.62rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  border-radius: 3px;
}
.card-sold-tag {
  margin-left: auto;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: #d98a8a;
}
.card-name {
  font-family: var(--text); font-weight: 700; font-size: 1.06rem;
  color: var(--ink); letter-spacing: 0.01em;
  word-break: break-word; overflow-wrap: anywhere;
}
.card-name span { color: var(--gold-bright); font-weight: 600; }
.card-cat { font-size: 0.72rem; color: var(--ink-dim); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.3rem; }
.card-actions {
  display: flex; align-items: center; gap: 1.1rem;
  margin-top: 1.05rem; padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}
.card-link {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-dim);
  transition: color 0.2s ease;
}
.card-link:hover { color: var(--ink); }
.card-offer {
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  font-family: var(--text); font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gold-bright);
  transition: color 0.2s ease;
}
.card-offer:hover { color: #fff; }

.empty-note { padding: 2rem 0; color: var(--ink-dim); font-size: 0.95rem; }

/* ------------------------------------------------------------- about */
.about { padding: 6rem 0; }
.about-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 4rem; align-items: center; }
.about-visual { border: 1px solid var(--line-gold); box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45); }
.about-copy h2 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); margin-bottom: 1.2rem; }
.about-copy p { color: var(--ink-dim); margin-bottom: 1rem; }

/* ------------------------------------------------------------- process */
.process { padding: 6rem 0; background: var(--navy-deep); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 4rem; align-items: start; }
.process-copy h2 { font-size: clamp(1.8rem, 3.2vw, 2.4rem); margin-bottom: 1.2rem; }
.process-copy p { color: var(--ink-dim); margin-bottom: 1rem; }
.steps { list-style: none; display: grid; gap: 1.05rem; }
.steps li {
  display: flex; gap: 1.4rem; padding: 1.35rem 1.55rem;
  background: var(--navy-panel); border: 1px solid var(--line);
}
.steps span { font-family: var(--display); font-size: 1.3rem; color: var(--gold); }
.steps h3 { font-family: var(--text); font-weight: 700; font-size: 1.02rem; }
.steps p { font-size: 0.88rem; color: var(--ink-dim); }

/* ------------------------------------------------------------- offer */
.offer { padding: 6.5rem 0; }
.offer-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 4rem; align-items: start; }
.offer-copy h2 { font-size: clamp(2rem, 3.6vw, 2.8rem); margin-bottom: 1.2rem; }
.offer-copy p { color: var(--ink-dim); margin-bottom: 1rem; }
.offer-form-panel {
  background: var(--navy-panel);
  border: 1px solid var(--line-gold);
  padding: 2.45rem;
}
.field { margin-bottom: 1.3rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field label {
  display: block; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink-dim); margin-bottom: 0.45rem;
}
.field input, .field textarea {
  width: 100%; padding: 0.85rem 1rem;
  background: var(--navy-deep); border: 1px solid var(--line);
  color: var(--ink); font-family: var(--text); font-size: 1rem;
  transition: border-color 0.2s ease;
  -webkit-appearance: none; appearance: none; border-radius: 0;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field textarea { resize: vertical; }
.form-fine { margin-top: 1rem; font-size: 0.78rem; color: var(--ink-dim); text-align: center; }

.hp-field { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }

.form-status { padding: 1rem 1.2rem; margin-bottom: 1.4rem; font-size: 0.92rem; border: 1px solid; }
.form-status[hidden] { display: none; }
.form-status--ok { border-color: rgba(120, 190, 120, 0.5); color: #a8d5a8; background: rgba(60, 120, 60, 0.14); }
.form-status--err { border-color: rgba(200, 90, 90, 0.5); color: #e0a0a0; background: rgba(140, 50, 50, 0.14); }

/* ------------------------------------------------------------- footer */
.site-footer { border-top: 1px solid var(--line); padding: 2.6rem 0; background: var(--navy-deep); }
.footer-inner p { font-size: 0.9rem; color: var(--ink-dim); }
.footer-inner strong { color: var(--ink); }
.footer-inner .fine { margin-top: 0.5rem; font-size: 0.78rem; }

/* ------------------------------------------------------------- motion */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ------------------------------------------------------------ back to top */
.back-to-top {
  position: fixed;
  left: 50%;
  bottom: 1.6rem;
  z-index: 60;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  background: var(--navy-raised);
  color: var(--gold-bright);
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s,
    border-color 0.2s ease, background 0.2s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.back-to-top:hover {
  background: var(--navy-panel);
  border-color: var(--gold);
}

/* ------------------------------------------------------------- responsive */
@media (max-width: 960px) {
  .about-grid, .process-grid, .offer-grid { grid-template-columns: 1fr; gap: 2.6rem; }
  .header-nav { gap: 1.2rem; }
  .header-nav a:not(.btn) { font-size: 0.8rem; }
  .hero-stats { gap: 1.8rem; flex-wrap: wrap; }
}
@media (max-width: 700px) {
  /* two-row header: wordmark on top, full nav below, nothing hidden */
  .header-inner { flex-wrap: wrap; padding: 0.7rem 0 0.65rem; row-gap: 0.1rem; }
  .wordmark { font-size: 1.35rem; }
  .wordmark-logo { height: 2.1rem; }
  .header-nav { width: 100%; justify-content: space-between; gap: 0.9rem; }
  .btn--sm { padding: 0.45rem 1rem; font-size: 0.68rem; }
  main section[id] { scroll-margin-top: 6.6rem; }
}
@media (max-width: 560px) {
  .field-row { grid-template-columns: 1fr; }
  .offer-form-panel { padding: 1.6rem; }
  .hero { padding: 3.4rem 0 3.4rem; }
  .hero h1 { font-size: clamp(2.05rem, 9vw, 2.6rem); }
  .hero h1 br { display: none; }
  .lede { font-size: 1.05rem; }
  .domain-grid { grid-template-columns: 1fr 1fr; }
  .domain-grid--w3 { grid-template-columns: 1fr; }
  .about { padding: 4rem 0; }
  .process { padding: 4rem 0; }
  .offer { padding: 4rem 0; }
  .portfolio { padding: 4rem 0 3.5rem; }
  .web3 { padding: 4rem 0; }
}
@media (max-width: 420px) {
  .domain-grid { grid-template-columns: 1fr; }
  .search-count { display: none; }
  .hero-stats { gap: 1.2rem; }
}