:root {
  --color-primary: #e56a3a;
  --color-text: #2f2f2f;
  --color-bg-light: #f7f7f7;
  --color-white: #ffffff;
  --color-border: #e5e5e5;
  --color-muted: #666666;
  --container-width: 1100px;
  --section-space: 96px;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  --transition: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p,
ul {
  margin: 0;
}

h1,
h2,
h3 {
  line-height: 1.25;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--color-muted);
  max-width: 75ch;
}

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

.container {
  width: min(100% - 2.5rem, var(--container-width));
  margin-inline: auto;
}

.section {
  padding-block: var(--section-space);
}

.section-muted {
  background: var(--color-bg-light);
}

.section-intro h1 {
  position: relative;
  padding-bottom: 0.5rem;
}

.section-intro h1::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  margin-top: 10px;
}

.flow > * + * {
  margin-top: 1.1rem;
}

.grid {
  display: grid;
  gap: 1.5rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.logo {
  height: 28px;
  width: auto;
  display: block;
}

.logo-text {
  height: 24px;
}

.site-nav {
  margin-left: auto;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0;
}

.nav-list a {
  color: var(--color-muted);
  font-weight: 500;
  transition: color var(--transition);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--color-primary);
}

.card {
  padding: 1.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-2px);
  border-color: #d7d7d7;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.07);
}

.card h3 {
  margin-bottom: 0.65rem;
}

.card p + p {
  margin-top: 0.75rem;
}

.product-feature {
  position: relative;
  overflow: hidden;
  border-color: #f0d4c7;
}

.product-feature::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--color-primary);
}

.product-copy {
  max-width: 720px;
}

.product-points {
  padding-left: 1.1rem;
  color: var(--color-muted);
}

.product-points li + li {
  margin-top: 0.4rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
  gap: 2rem;
  align-items: start;
}

.contact-card {
  padding: 1.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-list a {
  position: relative;
  color: var(--color-muted);
  font-weight: 500;
  transition: color var(--transition);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  transform: scaleX(1);
}

.section-intro {
  padding-top: 7rem;
  padding-bottom: 6rem;
  background:
    radial-gradient(circle at top right, rgba(229, 106, 58, 0.08), transparent 28%),
    linear-gradient(180deg, #ffffff 0%, #fbfbfb 100%);
}

.section-muted {
  background: linear-gradient(180deg, #fafafa 0%, #f7f7f7 100%);
}

.footer-brand-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.footer-logo {
  height: 28px;
  width: auto;
  display: block;
}

.footer-logo-icon {
  height: 26px;
  width: auto;
  display: block;
}

.footer-brand {
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.4rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid var(--color-primary);
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  box-shadow: 0 8px 18px rgba(229, 106, 58, 0.18);
  transition:
    background-color var(--transition),
    border-color var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
}

.btn:hover,
.btn:focus-visible {
  background: #cf5b2f;
  border-color: #cf5b2f;
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(229, 106, 58, 0.24);
}

@media (max-width: 900px) {
  .intro-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .section-intro {
    padding-top: 5.5rem;
    padding-bottom: 5rem;
  }
}

.product-card {
  max-width: 760px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.35rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--color-primary);
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

.btn:hover,
.btn:focus-visible {
  background: #cf5b2f;
  border-color: #cf5b2f;
  transform: translateY(-1px);
}

.contact-list,
.footer-email-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list {
  display: grid;
  gap: 0.4rem;
}

.contact-list a,
.footer-email-list a {
  color: var(--color-primary);
}

.location {
  color: var(--color-text);
  font-weight: 500;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-light);
  padding-block: 3rem;
}

.footer-inner {
  display: grid;
  gap: 0.35rem;
}

.footer-brand {
  color: var(--color-text);
  font-size: 1.15rem;
  font-weight: 700;
}

.footer-logo {
  height: 32px;
  margin-bottom: 0.5rem;
}

.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
  gap: 2rem;
  align-items: start;
}

.intro-copy h1 {
  margin-top: 0.2rem;
}

.intro-lead,
.product-lead {
  color: var(--color-text);
  font-size: 1.08rem;
}

.intro-panel,
.contact-card {
  background: linear-gradient(180deg, #ffffff 0%, #fcfcfc 100%);
}

.panel-label {
  margin-top: 0.25rem;
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.panel-value {
  color: var(--color-text);
  font-weight: 500;
}

@media (max-width: 960px) {
  :root {
    --section-space: 88px;
  }

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

@media (max-width: 720px) {
  .header-inner {
    min-height: auto;
    padding-block: 0.9rem;
    flex-wrap: wrap;
  }

  .site-nav {
    margin-left: 0;
    width: 100%;
  }

  .nav-list {
    gap: 0.9rem 1.25rem;
    flex-wrap: wrap;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(100% - 1.5rem, var(--container-width));
  }

  .card {
    padding: 1.25rem;
  }
}