:root {
  --bg: #f4efe6;
  --surface: rgba(255, 252, 247, 0.86);
  --surface-strong: #fffaf2;
  --text: #21302c;
  --muted: #546863;
  --line: rgba(33, 48, 44, 0.14);
  --accent: #0f766e;
  --accent-strong: #0b5e58;
  --accent-soft: #d7efe8;
  --highlight: #d97706;
  --hero: linear-gradient(135deg, #f8f4eb 0%, #ebf5f1 52%, #e9eef6 100%);
  --shadow: 0 24px 60px rgba(25, 43, 38, 0.12);
  --radius: 24px;
  --radius-sm: 16px;
  --content: min(1120px, calc(100% - 32px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans", "Liberation Sans", system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.13), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(217, 119, 6, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf8f2 0%, #f4efe6 100%);
  color: var(--text);
  line-height: 1.6;
}

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

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

button,
input,
select {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(217, 119, 6, 0.45);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--text);
  color: #fff;
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 100;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(248, 244, 235, 0.78);
  border-bottom: 1px solid rgba(33, 48, 44, 0.08);
}

.header-inner,
.section,
.footer-inner {
  width: var(--content);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--accent) 0%, #0d9488 55%, #69bdb0 100%);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px rgba(15, 118, 110, 0.25);
}

.brand-meta strong,
.brand-meta span {
  display: block;
}

.brand-meta span {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
  padding: 10px 12px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: var(--muted);
  font-weight: 600;
}

.nav-menu a[aria-current="page"],
.nav-menu a:hover {
  color: var(--text);
}

.cta-small {
  padding: 10px 16px;
  background: var(--text);
  color: #fff;
  border-radius: 999px;
}

.hero {
  padding: 56px 0 28px;
}

.hero-card {
  width: var(--content);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 32px;
  background: var(--hero);
  border: 1px solid rgba(33, 48, 44, 0.08);
  border-radius: 36px;
  padding: clamp(28px, 4vw, 52px);
  box-shadow: var(--shadow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  color: var(--accent-strong);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  margin-top: 18px;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.28rem;
  margin-bottom: 10px;
}

.lead {
  font-size: 1.14rem;
  color: var(--muted);
  max-width: 60ch;
  margin: 18px 0 0;
}

.hero-actions,
.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.22);
}

.button-primary:hover {
  background: var(--accent-strong);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(33, 48, 44, 0.1);
}

.hero-stats,
.grid,
.service-grid,
.project-grid,
.contact-grid,
.footer-grid {
  display: grid;
  gap: 18px;
}

.hero-stats {
  margin-top: 28px;
  grid-template-columns: repeat(3, 1fr);
}

.stat,
.card,
.timeline-step,
.faq-item,
.contact-card {
  background: var(--surface);
  border: 1px solid rgba(33, 48, 44, 0.08);
  border-radius: var(--radius);
  padding: 20px;
}

.stat strong {
  display: block;
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.hero-visual {
  align-self: center;
}

.section {
  padding: 58px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 28px;
}

.section-head p,
.card p,
.timeline-step p,
.faq-item p,
.contact-card p,
.copy {
  color: var(--muted);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline-step span {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
  margin-bottom: 14px;
}

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

.project-card {
  position: relative;
  overflow: hidden;
}

.project-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.16), transparent 68%);
}

.about-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 24px;
  align-items: center;
  background: linear-gradient(140deg, rgba(255, 250, 242, 0.94), rgba(226, 241, 238, 0.94));
}

.about-list,
.mini-list,
.footer-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.about-list li,
.mini-list li {
  padding-left: 22px;
  position: relative;
  margin-top: 10px;
}

.about-list li::before,
.mini-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--highlight);
}

.estimator {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 340px);
  gap: 22px;
  align-items: start;
}

.estimator-form {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label,
.field legend {
  font-weight: 700;
}

.field select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--text);
  padding: 0 14px;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.choice-row label {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.estimator-result {
  background: linear-gradient(180deg, #183530 0%, #254942 100%);
  color: #eef6f4;
}

.estimator-result .copy {
  color: rgba(238, 246, 244, 0.78);
}

.range-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 700;
  margin-top: 8px;
}

.faq {
  display: grid;
  gap: 12px;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] {
  background: #fffdf8;
}

.contact-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.contact-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.contact-list li + li {
  margin-top: 12px;
}

.site-footer {
  border-top: 1px solid rgba(33, 48, 44, 0.08);
  margin-top: 24px;
  padding: 26px 0 40px;
}

.footer-grid {
  grid-template-columns: 1.2fr 0.8fr;
  align-items: start;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  justify-content: flex-end;
}

.page-hero {
  padding: 44px 0 10px;
}

.page-shell {
  width: var(--content);
  margin: 0 auto;
}

.page-box {
  padding: 28px;
  border-radius: 30px;
  background: var(--surface-strong);
  border: 1px solid rgba(33, 48, 44, 0.08);
  box-shadow: var(--shadow);
}

.page-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.policy p + p,
.policy h2 + p,
.policy ul + p {
  margin-top: 14px;
}

.policy ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.not-found {
  min-height: calc(100vh - 180px);
  display: grid;
  place-items: center;
  padding: 40px 0 70px;
}

.not-found .page-box {
  max-width: 760px;
  text-align: center;
}

@media (max-width: 920px) {
  .hero-card,
  .about-panel,
  .estimator,
  .contact-grid,
  .footer-grid,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .timeline,
  .project-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 78px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fffaf2;
    border: 1px solid rgba(33, 48, 44, 0.08);
    padding: 18px;
    border-radius: 22px;
    box-shadow: var(--shadow);
  }

  .site-nav[data-open="true"] .nav-menu {
    display: flex;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .section,
  .footer-inner,
  .hero-card,
  .page-shell {
    width: min(100% - 20px, 1120px);
  }

  .hero,
  .section {
    padding-top: 38px;
    padding-bottom: 38px;
  }

  .service-grid,
  .timeline,
  .project-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .page-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .page-box,
  .hero-card {
    padding: 22px;
    border-radius: 24px;
  }
}