:root {
  --onyx: #070807;
  --night: #10100e;
  --charcoal: #171713;
  --ink: #211c16;
  --ivory: #f8f3e9;
  --warm: #eee3d0;
  --paper: #fffaf0;
  --muted: #7d715f;
  --muted-dark: #b9aa91;
  --champagne: #d9bd79;
  --gold: #b88d3b;
  --gold-deep: #8c6425;
  --line: rgba(184, 141, 59, 0.24);
  --line-dark: rgba(255, 244, 220, 0.16);
  --shadow: 0 34px 100px rgba(10, 8, 4, 0.22);
  --soft-shadow: 0 18px 50px rgba(43, 31, 12, 0.12);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 13% 8%, rgba(217, 189, 121, 0.24), transparent 30%),
    linear-gradient(135deg, #fbf6eb 0%, #efe3cf 45%, #181610 45%, #090907 100%);
  font-family: "Inter", "Segoe UI", ui-sans-serif, system-ui, -apple-system, sans-serif;
}

a { color: inherit; text-decoration: none; }
.text-link { color: var(--gold-deep); font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(20px, 4vw, 68px);
  color: var(--ivory);
  background: rgba(7, 8, 7, 0.86);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(20px);
}

.brand { display: flex; gap: 14px; align-items: center; }
.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: var(--onyx);
  background:
    linear-gradient(135deg, #fff7de, var(--champagne) 44%, var(--gold));
  border: 1px solid rgba(255,255,255,0.24);
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 12px 32px rgba(184, 141, 59, 0.32);
}
.brand strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand small { display: block; color: var(--muted-dark); font-size: 12px; margin-top: 3px; letter-spacing: 0.08em; }

nav { display: flex; gap: 24px; align-items: center; font-size: 13px; color: rgba(248,243,233,0.78); text-transform: uppercase; letter-spacing: 0.1em; }
nav a:hover { color: var(--champagne); }
.nav-cta { padding: 11px 16px; color: var(--onyx); background: var(--champagne); border-radius: 999px; font-weight: 800; }

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  padding: clamp(66px, 8vw, 128px) clamp(20px, 4vw, 68px);
  color: var(--ivory);
  background:
    linear-gradient(90deg, rgba(7,8,7,0.2), rgba(7,8,7,0.72)),
    radial-gradient(circle at 76% 28%, rgba(217,189,121,0.18), transparent 24%);
}

.hero-copy { max-width: 960px; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--champagne);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
  font-weight: 900;
}

h1, h2, h3, p { margin-top: 0; }
h1, h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
}
h1 {
  max-width: 1000px;
  font-size: clamp(54px, 8vw, 118px);
  line-height: 0.88;
  letter-spacing: -0.075em;
  margin-bottom: 30px;
}
h2 {
  font-size: clamp(38px, 5.4vw, 78px);
  line-height: 0.95;
  letter-spacing: -0.06em;
  margin-bottom: 20px;
}
h3 { font-size: 22px; margin-bottom: 10px; letter-spacing: -0.02em; }
.lead { max-width: 790px; color: rgba(248,243,233,0.82); font-size: clamp(19px, 2.15vw, 26px); line-height: 1.55; }

.hero-actions, .trust-line { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-actions { margin: 34px 0 30px; }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: 0.02em;
  cursor: pointer;
}
.button.primary { color: var(--onyx); background: linear-gradient(135deg, #fff4cd, var(--champagne) 58%, var(--gold)); box-shadow: 0 18px 44px rgba(184,141,59,0.28); }
.button.secondary { color: var(--ivory); background: rgba(255,255,255,0.08); border: 1px solid var(--line-dark); }

.trust-line span {
  padding: 9px 13px;
  color: rgba(248,243,233,0.78);
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(255,255,255,0.055);
  font-size: 13px;
}

.diamond-showcase {
  position: relative;
  overflow: hidden;
  min-height: 610px;
  display: grid;
  align-content: end;
  padding: 28px;
  border-radius: 38px;
  color: var(--ivory);
  background:
    radial-gradient(circle at 50% 28%, rgba(255,244,205,0.10), transparent 40%),
    linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02)),
    linear-gradient(145deg, #15140f, #050505 76%);
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow);
}
.diamond-showcase::before {
  content: "";
  position: absolute;
  inset: 28px 28px auto auto;
  width: 170px;
  height: 170px;
  border: 1px solid rgba(217,189,121,0.35);
  transform: rotate(45deg);
  opacity: 0.62;
}
.diamond-showcase img {
  position: absolute;
  top: clamp(-10px, 2vw, 18px);
  left: 50%;
  width: min(96%, 600px);
  transform: translateX(-50%);
  opacity: .92;
  filter: drop-shadow(0 34px 64px rgba(0,0,0,0.38));
}
.showcase-copy {
  position: relative;
  z-index: 1;
  padding: 28px;
  border-radius: 28px;
  background: rgba(7,8,7,0.56);
  border: 1px solid var(--line-dark);
  backdrop-filter: blur(10px);
}
.showcase-copy h2 { margin-bottom: 14px; font-size: clamp(34px, 4.6vw, 58px); }
.showcase-copy p:last-child { color: rgba(248,243,233,0.76); font-size: 18px; line-height: 1.6; margin-bottom: 0; }

.section { padding: clamp(70px, 8vw, 118px) clamp(20px, 4vw, 68px); }
.split { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(34px, 5vw, 76px); align-items: start; background: var(--ivory); }
.split p, .section-heading p { color: var(--muted); font-size: 18px; line-height: 1.7; }

.feature-grid, .cards { display: grid; gap: 18px; }
.feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
article {
  padding: 28px;
  background: rgba(255,250,240,0.88);
  border: 1px solid rgba(184,141,59,0.18);
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
}
article p { color: var(--muted); line-height: 1.65; margin-bottom: 0; }
.icon {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  border-radius: 50%;
  background: #17130e;
  color: var(--champagne);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
}

.dark {
  color: var(--ivory);
  background:
    radial-gradient(circle at 18% 20%, rgba(217,189,121,0.13), transparent 30%),
    linear-gradient(145deg, #090907, #1a1812);
}
.dark .section-heading p, .dark article p { color: rgba(248,243,233,0.7); }
.dark article { background: rgba(255,255,255,0.055); border-color: var(--line-dark); box-shadow: none; }

.section-heading { max-width: 980px; margin-bottom: 38px; }
.section-heading.narrow { max-width: 780px; margin-left: auto; margin-right: auto; text-align: center; }
.flow { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 14px; }
.flow div {
  min-height: 178px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--ivory);
  border: 1px solid var(--line-dark);
  border-radius: 24px;
  background: linear-gradient(160deg, #232018, #0d0d0b);
}
.flow strong { font-family: Georgia, "Times New Roman", serif; font-size: 24px; font-weight: 500; }
.flow span { color: var(--muted-dark); line-height: 1.5; }

.upload-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.75fr);
  gap: clamp(26px, 5vw, 76px);
  align-items: start;
  background: linear-gradient(135deg, #fbf6eb, #eadbc1);
}
.upload-panel.supplier { background: linear-gradient(135deg, #171510, #080807); color: var(--ivory); }
.upload-panel.supplier .section-heading p { color: var(--muted-dark); }
.upload-form {
  max-width: 900px;
  display: grid;
  gap: 16px;
  padding: 30px;
  border-radius: 32px;
  background: rgba(255,250,240,0.94);
  border: 1px solid rgba(184,141,59,0.24);
  box-shadow: var(--shadow);
}
.supplier .upload-form { background: rgba(255,255,255,0.06); border-color: var(--line-dark); }
label { display: grid; gap: 8px; color: var(--ink); font-weight: 900; }
.supplier label { color: var(--ivory); }
input, textarea {
  width: 100%;
  border: 1px solid rgba(184,141,59,0.22);
  border-radius: 18px;
  padding: 15px 16px;
  font: inherit;
  color: var(--ink);
  background: #fffaf0;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(217,189,121,0.18); }
textarea { resize: vertical; }
.file-drop {
  padding: 24px;
  border: 1.5px dashed rgba(184,141,59,0.48);
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(255,244,205,0.76), rgba(255,250,240,0.9));
}
.file-drop input { padding: 0; border: 0; background: transparent; box-shadow: none; }
.file-drop span { color: var(--gold-deep); }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 36px clamp(20px, 4vw, 68px);
  color: rgba(248,243,233,0.7);
  background: var(--onyx);
  border-top: 1px solid var(--line-dark);
}
.site-footer strong, .site-footer a { color: var(--ivory); }
.site-footer p { margin: 6px 0 0; }

.quote-shell {
  min-height: 100vh;
  padding: clamp(48px, 6vw, 90px) clamp(20px, 4vw, 68px);
  color: var(--ivory);
  background:
    radial-gradient(circle at 80% 5%, rgba(217,189,121,0.19), transparent 32%),
    linear-gradient(145deg, #080807, #1d1a13);
}
.quote-hero {
  max-width: 1120px;
  margin: 0 auto 28px;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line-dark);
  border-radius: 34px;
  background: rgba(255,255,255,0.055);
  box-shadow: var(--shadow);
}
.quote-hero h1 { max-width: 920px; margin-bottom: 18px; font-size: clamp(44px, 6.8vw, 92px); }
.quote-hero .lead { color: rgba(248,243,233,0.78); }
.quote-preview { max-width: 1120px; margin: 0 auto; display: grid; gap: 20px; }
.quote-line {
  color: var(--ink);
  background: linear-gradient(145deg, #fffaf0, #efe1c7);
  border-color: rgba(184,141,59,0.24);
}
.quote-line h3 { font-family: Georgia, "Times New Roman", serif; font-size: 30px; font-weight: 500; }
.quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.quote-card {
  display: grid;
  gap: 9px;
  padding: 20px;
  border-radius: 22px;
  border: 1px solid rgba(184,141,59,0.22);
  background: rgba(255,255,255,0.68);
}
.quote-card em {
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--onyx);
  background: linear-gradient(135deg, #fff4cd, var(--champagne));
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.quote-card strong { font-family: Georgia, "Times New Roman", serif; font-size: 25px; font-weight: 500; }
.quote-card span, .quote-card small, .quote-note { color: var(--muted); line-height: 1.48; }
.quote-card b { font-family: Georgia, "Times New Roman", serif; font-size: 30px; color: var(--gold-deep); font-weight: 500; }
.quote-note { margin: 18px 0 0; }

@media (max-width: 980px) {
  nav { display: none; }
  .hero, .split, .upload-panel { grid-template-columns: 1fr; }
  .feature-grid, .cards.three, .flow, .quote-grid { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 640px) {
  .site-header { position: relative; padding: 20px 18px; }
  .brand-mark { width: 56px; height: 56px; font-size: 26px; }
  .brand strong { font-size: 28px; }
  .brand small { font-size: 15px; letter-spacing: 0.08em; }
  .hero { min-height: auto; padding: 78px 18px 56px; }
  .eyebrow { font-size: 12px; line-height: 1.45; }
  h1 { font-size: clamp(46px, 15vw, 70px); line-height: 0.92; letter-spacing: -0.065em; }
  .lead { font-size: 21px; line-height: 1.55; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; }
  .trust-line span { font-size: 14px; }
  .diamond-showcase { min-height: 520px; margin-top: 18px; border-radius: 30px; }
  .diamond-showcase img { width: min(108%, 500px); top: -26px; }
  .showcase-copy { padding: 22px; }
  .section { padding-left: 18px; padding-right: 18px; }
  h2 { font-size: clamp(38px, 12vw, 56px); }
}
