:root {
  /* Base — warm stone / slate */
  --dt-bg: #111214;
  --dt-bg2: #16171a;
  --dt-bg-soft: #1a1b1f;

  --dt-panel: #1a1b1f;
  --dt-panel-2: #212226;
  --dt-panel-3: #28292e;

  --dt-border: rgba(255,255,255,0.08);
  --dt-border-strong: rgba(255,255,255,0.14);
  --dt-border-soft: rgba(255,255,255,0.04);

  /* Text */
  --dt-text: #e8e6e3;
  --dt-text-soft: #d0cec8;
  --dt-muted: #908e88;
  --dt-faint: #5c5a56;

  /* Primary — warm neutral / parchment gold */
  --dt-primary: #a09070;
  --dt-primary-soft: rgba(160,144,112,0.14);

  /* Accent — muted gold / ink */
  --dt-accent: #c8b080;
  --dt-accent-light: #dcc898;
  --dt-accent-bright: #e8dab0;
  --dt-accent-deep: #8a7850;
  --dt-accent-soft: rgba(200,176,128,0.14);
  --dt-accent-glow: rgba(200,176,128,0.25);

  /* Success — sage */
  --dt-success: #7a9a6a;
  --dt-success-soft: rgba(122,154,106,0.14);

  /* Danger — muted brick */
  --dt-danger: #a85a50;
  --dt-danger-soft: rgba(168,90,80,0.14);

  /* Info — cool slate */
  --dt-info: #6888a0;
  --dt-info-soft: rgba(104,136,160,0.14);

  /* Sizing */
  --dt-radius-xs: 8px;
  --dt-radius-sm: 12px;
  --dt-radius: 16px;
  --dt-radius-lg: 22px;

  /* Shadows */
  --dt-shadow-sm: 0 8px 22px rgba(0,0,0,0.20);
  --dt-shadow-md: 0 14px 36px rgba(0,0,0,0.30);
  --dt-shadow-lg: 0 24px 60px rgba(0,0,0,0.42);

  --dt-font: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  font-family: var(--dt-font);
  color: var(--dt-text);
  background-color: var(--dt-bg);
  overflow-x: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

/* Layout */
.dt-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.dt-section {
  padding: 56px 0;
}

.dt-section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 24px;
}

.dt-section-title {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.dt-section-sub {
  margin: 0;
  max-width: 720px;
  color: var(--dt-muted);
  line-height: 1.7;
  font-size: 16px;
}

.dt-grid {
  display: grid;
  gap: 18px;
}

.dt-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dt-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.dt-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.dt-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* Nav */
.dt-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(22,23,26,0.94), rgba(17,18,20,0.88));
  border-bottom: 1px solid var(--dt-border);
  box-shadow: 0 8px 30px rgba(0,0,0,0.18);
}

.dt-nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.dt-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 800;
  color: var(--dt-text);
  letter-spacing: 0.01em;
}

.dt-nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--dt-muted);
  font-size: 14px;
}

.dt-nav-links a {
  padding: 8px 14px;
  border-radius: 10px;
  transition: color 0.16s ease, background 0.16s ease;
}

.dt-nav-links a:hover {
  color: var(--dt-text);
  background: rgba(255,255,255,0.04);
}

.dt-nav-links .action {
  color: var(--dt-text);
  font-weight: 700;
  background: linear-gradient(180deg, rgba(40,41,46,0.94), rgba(26,27,31,0.94));
  border: 1px solid var(--dt-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

/* Hero */
.dt-hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  padding: 60px 0 44px;
  align-items: center;
}

.dt-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(200,176,128,0.18);
  background: var(--dt-accent-soft);
  color: var(--dt-accent-light);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.dt-eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fff, var(--dt-accent));
  box-shadow: 0 0 12px var(--dt-accent-glow);
}

.dt-hero h1,
.dt-h1 {
  margin: 0 0 18px;
  font-size: clamp(42px, 7vw, 74px);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.dt-line-a {
  display: block;
  background: linear-gradient(180deg, #ffffff, #e8e6e3 85%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dt-line-b {
  display: block;
  background: linear-gradient(180deg, #dcc898, #8a7850 84%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.dt-hero-sub {
  font-size: 18px;
  font-weight: 600;
  color: var(--dt-text-soft);
  margin: 0 0 10px;
}

.dt-hero-body {
  max-width: 600px;
  margin: 0 0 26px;
  color: rgba(232,230,227,0.72);
  font-size: 15px;
  line-height: 1.75;
}

/* Cards / panels */
.dt-card,
.dt-panel {
  border-radius: var(--dt-radius);
  border: 1px solid var(--dt-border);
  background: linear-gradient(180deg, #1a1b1f, #141517);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.03),
    0 12px 30px rgba(0,0,0,0.4);
}

.dt-card:hover,
.dt-panel:hover {
  border-color: var(--dt-border-strong);
  box-shadow:
    0 16px 40px rgba(0,0,0,0.5),
    0 0 20px rgba(200,176,128,0.06);
}

.dt-card-body,
.dt-panel-body {
  padding: 18px;
}

/* Buttons */
.dt-btn {
  min-height: 50px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--dt-text);
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    filter 0.18s ease,
    background 0.18s ease;
}

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

.dt-btn-primary {
  color: var(--dt-text);
  background: linear-gradient(180deg, #6a6050, #504838);
  border: 1px solid rgba(160,144,112,0.4);
  box-shadow: 0 10px 26px rgba(80,60,30,0.25);
}

.dt-btn-primary:hover {
  background: linear-gradient(180deg, #7a7060, #5a5040);
  box-shadow: 0 14px 34px rgba(80,60,30,0.35);
}

.dt-btn-accent {
  color: #1a1714;
  font-weight: 700;
  background: linear-gradient(180deg, #d0b880, #b89860);
  border: 1px solid rgba(200,176,128,0.5);
  box-shadow: 0 10px 26px rgba(140,110,50,0.25);
}

.dt-btn-accent:hover {
  box-shadow: 0 14px 34px rgba(140,110,50,0.35);
  filter: brightness(1.04);
}

.dt-btn-secondary {
  color: var(--dt-text);
  background: linear-gradient(180deg, rgba(40,41,46,0.94), rgba(26,27,31,0.94));
  border-color: var(--dt-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.dt-btn-secondary:hover {
  border-color: var(--dt-border-strong);
  background: linear-gradient(180deg, rgba(48,49,54,0.96), rgba(32,33,37,0.96));
}

/* Feature cards */
.dt-feature {
  background: linear-gradient(180deg, rgba(33,34,38,0.95), rgba(26,27,31,0.96));
  border: 1px solid var(--dt-border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 16px 38px rgba(0,0,0,0.28);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.dt-feature:hover {
  transform: translateY(-4px);
  border-color: var(--dt-border-strong);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.03), 0 20px 44px rgba(0,0,0,0.34);
}

.dt-feature-icon {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 20px;
  background: linear-gradient(180deg, var(--dt-primary-soft), rgba(160,144,112,0.08));
  border: 1px solid rgba(160,144,112,0.20);
  margin-bottom: 16px;
}

.dt-feature-title {
  margin: 0 0 10px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.dt-feature-body {
  margin: 0;
  color: var(--dt-muted);
  line-height: 1.7;
  font-size: 15px;
}

/* Utility */
.dt-muted { color: var(--dt-muted); }
.dt-faint { color: var(--dt-faint); }

.dt-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02), transparent);
  margin: 18px 0;
}

/* Footer */
.dt-footer {
  padding: 24px 0 52px;
  border-top: 1px solid var(--dt-border);
}

.dt-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.dt-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--dt-faint);
  font-size: 14px;
  font-weight: 700;
}

/* Responsive */
@media (max-width: 1100px) {
  .dt-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dt-hero { grid-template-columns: 1fr; }
  .dt-section-head { flex-direction: column; align-items: start; }
}

@media (max-width: 780px) {
  .dt-shell, .dt-nav-inner { padding-left: 18px; padding-right: 18px; }
  .dt-grid-2, .dt-grid-3, .dt-grid-4 { grid-template-columns: 1fr; }
  .dt-nav-inner, .dt-footer-inner { flex-direction: column; align-items: start; }
  .dt-hero { padding-top: 42px; }
  .dt-hero h1, .dt-h1 { font-size: clamp(36px, 12vw, 56px); }
  .dt-feature { padding: 16px; }
}