:root {
  --bg: oklch(97% 0.012 78);
  --surface: oklch(99% 0.006 78);
  --fg: oklch(19% 0.028 250);
  --muted: oklch(48% 0.018 245);
  --border: oklch(88% 0.014 82);
  --accent: oklch(43% 0.095 145);
  --navy: oklch(20% 0.05 250);
  --navy-soft: color-mix(in oklch, var(--navy) 88%, var(--fg));
  --accent-soft: color-mix(in oklch, var(--accent) 14%, transparent);
  --surface-dim: color-mix(in oklch, var(--surface) 72%, transparent);
  --font-display: 'Iowan Old Style', 'Charter', Georgia, 'Times New Roman', serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: ui-monospace, 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  --fs-h1: clamp(44px, 7vw, 84px);
  --fs-h2: clamp(32px, 4.4vw, 54px);
  --fs-h3: 22px;
  --fs-lead: 19px;
  --container: 1180px;
  --gutter: clamp(20px, 4vw, 32px);
  --radius: 10px;
  --radius-lg: 16px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  line-height: 1.02;
}

h2 {
  font-size: var(--fs-h2);
  line-height: 1.08;
}

h3 {
  font-size: var(--fs-h3);
  line-height: 1.25;
}

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(56px, 8vw, 96px);
}

.section + .section {
  border-top: 1px solid var(--border);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.grid-2,
.grid-3,
.grid-4,
.grid-2-1,
.grid-1-2 {
  display: grid;
  gap: 32px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-2-1 {
  grid-template-columns: 2fr 1fr;
  align-items: start;
}

.grid-1-2 {
  grid-template-columns: 1fr 2fr;
  align-items: start;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.lead {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: var(--fs-lead);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta,
.num {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.topnav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklch, var(--navy) 90%, transparent);
  color: var(--surface);
  border-bottom: 1px solid color-mix(in oklch, var(--surface) 18%, transparent);
  backdrop-filter: blur(14px);
}

.topnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.logo {
  max-width: 280px;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.05;
}

.topnav nav {
  display: flex;
  gap: 24px;
}

.topnav nav a {
  color: color-mix(in oklch, var(--surface) 76%, transparent);
  font-size: 14px;
}

.topnav nav a:hover {
  color: var(--surface);
}

.btn {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--surface);
  border-color: var(--accent);
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn-ghost {
  padding-inline: 0;
  color: inherit;
}

.btn-arrow::after {
  content: '>';
}

.hero-photo {
  min-height: calc(100svh - 72px);
  display: grid;
  align-items: end;
  color: var(--surface);
  background:
    linear-gradient(90deg, color-mix(in oklch, var(--navy) 88%, transparent), color-mix(in oklch, var(--navy) 16%, transparent)),
    url('assets/roof-hero.svg') center / cover no-repeat;
  padding-block: clamp(92px, 11vw, 150px) 58px;
  border-top: 0;
}

.hero-photo .lead {
  color: color-mix(in oklch, var(--surface) 78%, transparent);
}

.hero-panel {
  max-width: 790px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-photo .btn-secondary {
  color: var(--surface);
  border-color: color-mix(in oklch, var(--surface) 40%, transparent);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
  border: 1px solid color-mix(in oklch, var(--surface) 22%, transparent);
  background: color-mix(in oklch, var(--surface) 22%, transparent);
}

.trust-strip div {
  padding: 18px;
  background: color-mix(in oklch, var(--navy) 72%, transparent);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip span {
  margin-top: 4px;
  color: color-mix(in oklch, var(--surface) 66%, transparent);
  font-size: 13px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3vw, 30px);
}

.feature {
  border-top: 1px solid var(--fg);
  padding-top: 22px;
}

.feature p,
.card p,
.faq-item p {
  color: var(--muted);
}

.feature-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.feature-mark svg {
  width: 20px;
  height: 20px;
}

.image-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.image-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.image-card .caption {
  padding: 18px;
}

.service-list {
  display: grid;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.service-row {
  display: grid;
  grid-template-columns: 170px 1fr auto;
  gap: 24px;
  align-items: baseline;
  padding: 24px;
  background: var(--surface);
}

.tag {
  display: inline-flex;
  width: max-content;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.project-feature {
  overflow: hidden;
  background: var(--navy);
  color: var(--surface);
  border-radius: var(--radius-lg);
}

.project-feature img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.project-copy {
  padding: clamp(26px, 4vw, 46px);
}

.project-copy .lead {
  color: color-mix(in oklch, var(--surface) 74%, transparent);
}

.faq-item {
  padding: 22px 0;
  border-top: 1px solid var(--border);
}

.contact-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  color: var(--muted);
  font-size: 13px;
}

.input,
.textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--fg);
  font: inherit;
}

.textarea {
  min-height: 118px;
  resize: vertical;
}

.map-panel {
  min-height: 280px;
  display: grid;
  place-items: center;
  padding: 30px;
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--navy) 10%, transparent) 25%, transparent 25%) 0 0 / 32px 32px,
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.footer-deep {
  background: var(--navy-soft);
  color: var(--surface);
  padding-block: 62px 96px;
}

.footer-deep p,
.footer-deep a,
.footer-deep li {
  color: color-mix(in oklch, var(--surface) 72%, transparent);
}

.footer-links {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.mobile-cta {
  position: fixed;
  right: 16px;
  bottom: 16px;
  left: 16px;
  z-index: 30;
  display: none;
  gap: 10px;
  padding: 10px;
  background: color-mix(in oklch, var(--surface) 94%, transparent);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 18px 44px color-mix(in oklch, var(--fg) 18%, transparent);
  backdrop-filter: blur(12px);
}

.mobile-cta .btn {
  flex: 1;
  padding-inline: 12px;
}

@media (max-width: 920px) {
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-2-1,
  .grid-1-2,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .topnav nav,
  .topnav .btn {
    display: none;
  }

  .logo {
    max-width: 230px;
    font-size: 19px;
  }

  .hero-photo {
    min-height: 760px;
  }

  .service-row {
    grid-template-columns: 1fr;
  }

  .row-between {
    align-items: flex-start;
    flex-direction: column;
  }

  .mobile-cta {
    display: flex;
  }
}