/* Sovereign Gate A — industrial concrete luxury */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --font-display: "Instrument Serif", Georgia, serif;
  --font-body: "DM Sans", system-ui, sans-serif;
  --content: 1120px;
}

:root,
[data-theme="light"] {
  --color-bg: #f4f1ea;
  --color-surface: #faf8f4;
  --color-surface-2: #efebe3;
  --color-border: #ddd6c8;
  --color-text: #1a1916;
  --color-muted: #6b665c;
  --color-faint: #a39e92;
  --color-primary: #8b6914;
  --color-primary-hover: #6f5310;
  --color-accent: #c4a574;
  --color-ink: #0c0c0b;
  --color-panel: #161513;
  --color-panel-text: #ebe7df;
  --shadow-md: 0 10px 30px rgba(26, 25, 22, 0.08);
}

[data-theme="dark"] {
  --color-bg: #0f0e0c;
  --color-surface: #171614;
  --color-surface-2: #1f1e1b;
  --color-border: #2e2c28;
  --color-text: #ebe7df;
  --color-muted: #9a958a;
  --color-faint: #6a665c;
  --color-primary: #d4b06a;
  --color-primary-hover: #e0c48a;
  --color-accent: #c4a574;
  --color-ink: #ebe7df;
  --color-panel: #1c1b18;
  --color-panel-text: #ebe7df;
  --shadow-md: 0 12px 36px rgba(0, 0, 0, 0.4);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f0e0c;
    --color-surface: #171614;
    --color-surface-2: #1f1e1b;
    --color-border: #2e2c28;
    --color-text: #ebe7df;
    --color-muted: #9a958a;
    --color-faint: #6a665c;
    --color-primary: #d4b06a;
    --color-primary-hover: #e0c48a;
    --color-accent: #c4a574;
    --color-ink: #ebe7df;
    --color-panel: #1c1b18;
    --color-panel-text: #ebe7df;
    --shadow-md: 0 12px 36px rgba(0, 0, 0, 0.4);
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

a,
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
  transition: color var(--transition), background var(--transition),
    border-color var(--transition), box-shadow var(--transition);
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: -9999px;
}
.skip:focus {
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  background: var(--color-surface);
  padding: var(--space-2) var(--space-4);
}

.wrap {
  width: min(100% - 2.5rem, var(--content));
  margin-inline: auto;
}
.wrap.narrow {
  width: min(100% - 2.5rem, 560px);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  min-height: 4rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.brand .mark {
  color: var(--color-primary);
}
.nav {
  display: none;
  gap: var(--space-5);
  margin-right: auto;
}
.nav a {
  text-decoration: none;
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.nav a:hover {
  color: var(--color-text);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: auto;
}
.theme-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  color: var(--color-muted);
}
.theme-btn:hover {
  color: var(--color-text);
  border-color: var(--color-faint);
}

@media (min-width: 900px) {
  .nav {
    display: flex;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #0c0c0b;
  text-decoration: none;
  font-weight: 700;
  font-size: var(--text-sm);
  border: 1px solid transparent;
}
.btn:hover {
  background: var(--color-primary-hover);
}
.btn-sm {
  padding: 0.55rem 0.95rem;
}
.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-ghost:hover {
  border-color: var(--color-faint);
  background: var(--color-surface);
}
.btn-dark {
  background: var(--color-ink);
  color: var(--color-bg);
}
[data-theme="dark"] .btn-dark {
  background: var(--color-surface-2);
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-block {
  width: 100%;
}

/* Hero */
.hero {
  padding: clamp(var(--space-12), 8vw, var(--space-20)) 0 var(--space-12);
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, color-mix(in oklab, var(--color-accent) 18%, transparent), transparent 55%),
    var(--color-bg);
}
.hero-grid {
  display: grid;
  gap: var(--space-10);
  align-items: center;
}
@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--space-12);
  }
}
.eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 16ch;
  margin-bottom: var(--space-5);
}
.lede,
.section-lede {
  color: var(--color-muted);
  max-width: 48ch;
  margin-bottom: var(--space-6);
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.trust li::before {
  content: "· ";
  color: var(--color-primary);
  font-weight: 700;
}

.hero-panel,
.roi-result {
  background: var(--color-panel);
  color: var(--color-panel-text);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
}
.panel-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: color-mix(in oklab, var(--color-panel-text) 55%, transparent);
  margin-bottom: var(--space-2);
}
.panel-stat {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1;
  margin-bottom: var(--space-3);
}
.panel-stat span {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: color-mix(in oklab, var(--color-panel-text) 55%, transparent);
  margin-left: var(--space-1);
}
.panel-note {
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-panel-text) 65%, transparent);
  margin-bottom: var(--space-6);
  max-width: 36ch;
}
.panel-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid color-mix(in oklab, var(--color-panel-text) 12%, transparent);
  font-size: var(--text-sm);
}
.panel-link {
  display: inline-block;
  margin-top: var(--space-5);
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-sm);
  text-decoration: none;
}
.panel-link:hover {
  color: var(--color-primary-hover);
}

/* Strip */
.strip {
  border-block: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-6) 0;
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 800px) {
  .strip-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}
.strip-grid div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.strip-grid strong {
  font-size: var(--text-sm);
}
.strip-grid span {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* Sections */
.section {
  padding: clamp(var(--space-12), 7vw, var(--space-20)) 0;
}
.section-alt {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}
.section h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  letter-spacing: -0.02em;
  max-width: 22ch;
  margin-bottom: var(--space-4);
}
.cards {
  display: grid;
  gap: var(--space-4);
}
.cards.three {
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .cards.three {
    grid-template-columns: repeat(3, 1fr);
  }
}
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.section-alt .card {
  background: var(--color-surface-2);
}
.card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.card p {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.steps {
  list-style: none;
  display: grid;
  gap: var(--space-6);
  counter-reset: none;
}
.steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-5);
  align-items: start;
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.step-n {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1;
}
.steps h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.steps p {
  color: var(--color-muted);
  max-width: 60ch;
}

/* ROI */
.roi-grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 900px) {
  .roi-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
}
.roi-controls {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: grid;
  gap: var(--space-6);
}
.roi-controls label {
  display: grid;
  gap: var(--space-3);
  font-size: var(--text-sm);
}
.roi-controls label span strong {
  float: right;
  color: var(--color-primary);
}
.roi-controls input[type="range"] {
  width: 100%;
  accent-color: var(--color-primary);
}
.check {
  display: flex !important;
  align-items: center;
  gap: var(--space-3);
  grid-template-columns: none;
}
.check input {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
}
.roi-result .btn {
  margin-top: var(--space-6);
}

/* Pricing */
.pricing-grid {
  display: grid;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.price-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
  display: flex;
  flex-direction: column;
}
.section-alt .price-card {
  background: var(--color-surface-2);
}
.price-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}
.ribbon {
  position: absolute;
  top: -0.7rem;
  right: var(--space-5);
  background: var(--color-primary);
  color: #0c0c0b;
  font-size: var(--text-xs);
  font-weight: 800;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
}
.price-card .t,
.setup-card .t {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
}
.price-card h3,
.setup-card h3 {
  font-size: var(--text-lg);
  margin: var(--space-2) 0;
}
.price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.price span {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.price-card ul {
  flex: 1;
  margin-bottom: var(--space-6);
}
.price-card li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.35rem;
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}
.setup-card {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  background: var(--color-panel);
  color: var(--color-panel-text);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}
@media (min-width: 800px) {
  .setup-card {
    grid-template-columns: 1fr auto;
  }
}
.setup-card p:not(.t):not(.price) {
  color: color-mix(in oklab, var(--color-panel-text) 70%, transparent);
  max-width: 52ch;
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* Form */
.intake {
  display: grid;
  gap: var(--space-4);
}
.intake label {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
}
.intake input,
.intake select,
.intake textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 400;
}
.intake input:focus,
.intake select:focus,
.intake textarea:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.form-note {
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
}
.disc,
.fine {
  font-size: var(--text-xs);
  color: var(--color-faint);
}

/* FAQ */
.faq details {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq p {
  margin-top: var(--space-3);
  color: var(--color-muted);
  font-size: var(--text-sm);
  max-width: 65ch;
}

/* Footer */
.site-footer {
  padding: var(--space-12) 0 var(--space-8);
  border-top: 1px solid var(--color-border);
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}
.footer-inner p {
  color: var(--color-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: var(--text-sm);
}
.footer-links a:hover {
  color: var(--color-text);
}

/* Quote demo page */
.quote-shell {
  min-height: 100dvh;
  padding: var(--space-10) 0 var(--space-16);
}
.quote-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.quote-top {
  background: var(--color-panel);
  color: var(--color-panel-text);
  padding: var(--space-8);
}
.quote-top h1 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 400;
  margin: var(--space-3) 0;
}
.quote-body {
  padding: var(--space-8);
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 900px) {
  .quote-body {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.quote-meta {
  display: grid;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.lock {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: color-mix(in oklab, var(--color-primary) 15%, transparent);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-full);
  width: fit-content;
}
.line-items {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.line-items .row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
.line-items .row:last-child {
  border-bottom: 0;
  font-weight: 700;
  background: var(--color-surface-2);
}
.quote-actions {
  display: grid;
  gap: var(--space-3);
}
.timer {
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.timer strong {
  color: var(--color-primary);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}