:root {
  --bg: #f7f2e8;
  --bg-deep: #efe3cb;
  --surface: rgba(255, 251, 244, 0.9);
  --surface-strong: #fffaf0;
  --ink: #16202a;
  --muted: #56606c;
  --line: rgba(22, 32, 42, 0.12);
  --accent: #ca5b2d;
  --accent-strong: #7f2f11;
  --accent-soft: #ffd8c6;
  --shadow: 0 24px 60px rgba(77, 54, 25, 0.16);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(202, 91, 45, 0.15), transparent 28%),
    radial-gradient(circle at top right, rgba(79, 152, 168, 0.14), transparent 30%),
    linear-gradient(180deg, #f9f4ea 0%, #f2ebdf 52%, #f8f5ef 100%);
}

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

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

p,
li,
dd {
  color: var(--muted);
  line-height: 1.7;
}

h1,
h2,
h3,
summary {
  margin-top: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5rem);
  line-height: 0.96;
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}

h3,
summary {
  font-size: 1.3rem;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 40px;
}

.section {
  padding: 42px 0;
}

.site-header,
.site-footer,
.card,
.hero-visual {
  backdrop-filter: blur(18px);
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 248, 238, 0.76);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  font-weight: 700;
  color: #fff8ef;
  background: linear-gradient(135deg, var(--accent) 0%, #f18b58 100%);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-copy span {
  font-size: 0.8rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
  background: rgba(255, 216, 198, 0.68);
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  min-height: calc(100vh - 150px);
}

.hero-copy,
.hero-visual {
  position: relative;
}

.lead {
  max-width: 62ch;
  font-size: 1.08rem;
}

.eyebrow {
  margin-bottom: 16px;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  color: #fff6ef;
  background: linear-gradient(135deg, var(--accent) 0%, #e78250 100%);
  box-shadow: 0 18px 30px rgba(202, 91, 45, 0.25);
}

.button.secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(22, 32, 42, 0.08);
}

.hero-points,
.feature-list ul,
.info-block ul {
  padding-left: 18px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-visual {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 242, 232, 0.95) 0%, rgba(249, 251, 255, 0.92) 100%);
  overflow: hidden;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 10% -20px;
  height: 70px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 32, 42, 0.16), transparent 68%);
  filter: blur(22px);
}

.intro-grid,
.spec-grid,
.gallery-grid,
.advantage-grid,
.use-case-grid,
.contact-grid {
  display: grid;
  gap: 22px;
}

.intro-grid,
.advantage-grid,
.use-case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

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

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: start;
}

.section-heading {
  margin-bottom: 24px;
  max-width: 68ch;
}

.spec-card dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.spec-card dt {
  font-weight: 700;
  margin-bottom: 4px;
}

.gallery-card {
  padding: 14px;
}

.gallery-card img {
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 234, 221, 0.55), rgba(219, 235, 240, 0.3));
}

.gallery-card figcaption {
  padding: 14px 8px 4px;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 16px;
}

details summary {
  cursor: pointer;
  list-style: none;
}

details summary::-webkit-details-marker {
  display: none;
}

details p {
  margin-bottom: 0;
}

.contact-form {
  display: grid;
  gap: 10px;
}

.contact-form label {
  font-weight: 700;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(22, 32, 42, 0.14);
  border-radius: 14px;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.82);
}

.form-note,
.form-status {
  margin: 0;
  font-size: 0.92rem;
}

.form-status {
  color: var(--accent-strong);
  min-height: 1.4em;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 26px 0 12px;
  border-top: 1px solid rgba(22, 32, 42, 0.1);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.prose-page {
  max-width: 860px;
}

.prose-page h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
}

.info-block {
  margin-top: 24px;
}

.subpage-shell {
  min-height: 100vh;
}

@media (max-width: 1024px) {
  .hero,
  .split-section,
  .intro-grid,
  .spec-grid,
  .gallery-grid,
  .advantage-grid,
  .use-case-grid,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 22px;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
  }

  .site-header {
    top: 10px;
    flex-wrap: wrap;
    border-radius: 28px;
  }

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

  .site-nav {
    display: none;
    width: 100%;
    justify-content: flex-start;
    padding-top: 10px;
  }

  .site-nav.is-open,
  .static-nav {
    display: flex;
  }

  .hero,
  .split-section,
  .intro-grid,
  .spec-grid,
  .gallery-grid,
  .advantage-grid,
  .use-case-grid,
  .contact-grid,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2.3rem, 12vw, 4rem);
  }

  .section {
    padding: 30px 0;
  }
}