:root {
  --bg: #F9F6F1;
  --surface: #FFFFFF;
  --text: #2B2320;
  --muted: #6B5F55;
  --brand: #3D6B66;
  --brand-dark: #2C4F4B;
  --brand-light: #9BCAC3;
  --accent: #C1633F;
  --border: #E6DDD2;
  --shadow: 0 4px 24px rgba(43, 35, 32, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--brand);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo-mark {
  width: 32px;
  height: 32px;
  background: var(--brand);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
}

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

.nav .cta {
  background: var(--brand);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

.nav .cta:hover {
  background: var(--brand-dark);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 5rem 0 6rem;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero h1 span {
  color: var(--brand);
}

.hero p {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.65rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand);
  color: #fff;
}

.btn-primary:hover {
  background: var(--brand-dark);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  box-shadow: var(--shadow);
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 3rem;
}

/* Product card */
.product {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .product {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }
}

.product h3 {
  font-size: 1.75rem;
  margin: 0 0 0.75rem;
}

.product p {
  color: var(--muted);
  margin: 0 0 1.25rem;
}

.product-visual {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  border-radius: 12px;
  min-height: 220px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 3rem;
}

/* Features */
.features-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(61, 107, 102, 0.1);
  color: var(--brand);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-grid h2 {
  font-size: 1.75rem;
  margin: 0 0 1rem;
}

.about-grid p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.info-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.info-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.info-list strong {
  color: var(--text);
  display: inline-block;
  width: 120px;
}

/* Contact */
.contact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  text-align: center;
}

.contact h2 {
  margin: 0 0 0.75rem;
}

.contact p {
  color: var(--muted);
  margin: 0 0 1.5rem;
}

/* Footer */
.footer {
  background: var(--text);
  color: #c4bbb3;
  padding: 3rem 0 2rem;
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer a {
  color: var(--brand-light);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  font-size: 0.875rem;
  color: #8a8077;
}

@media (min-width: 768px) {
  .footer .container {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* Legal page */
.legal {
  padding: 4rem 0;
}

.legal h1 {
  font-size: 2rem;
  margin: 0 0 1.5rem;
}

.legal h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  color: var(--brand);
}

.legal p, .legal li {
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.legal ul {
  padding-left: 1.25rem;
}

.legal a {
  text-decoration: underline;
}