:root {
  --bg: #fcf7f2;
  --bg-soft: #f5ece1;
  --ink: #1f2c2b;
  --ink-soft: #4a5957;
  --muted: #6f7a79;
  --accent: #5f9e8a;
  --accent-deep: #437563;
  --line: #e7ddd0;
  --card: #ffffff;
  --shadow: 0 12px 40px rgba(31, 44, 43, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

a:hover {
  color: var(--ink);
}

h1,
h2,
h3 {
  font-family: "Georgia", "Iowan Old Style", "Palatino", serif;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--ink);
}

h1 {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

/* Nav */
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
}

.brand img {
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

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

.cta-small {
  background: var(--ink);
  color: var(--bg);
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
}

.cta-small:hover {
  background: var(--accent-deep);
  color: #fff;
}

/* Hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  background: var(--bg-soft);
  color: var(--accent-deep);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}

.lead {
  font-size: 1.18rem;
  color: var(--ink-soft);
  margin-bottom: 28px;
  max-width: 540px;
}

.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.cta-primary {
  background: var(--accent);
  color: #fff;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.15s ease;
}

.cta-primary:hover {
  background: var(--accent-deep);
  color: #fff;
}

.cta-secondary {
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 500;
  font-size: 1rem;
  border: 1px solid var(--line);
  color: var(--ink);
}

.cta-secondary:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.micro {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image img {
  max-width: 420px;
  width: 100%;
  border-radius: 28px;
  box-shadow:
    0 30px 80px rgba(31, 44, 43, 0.18),
    0 8px 24px rgba(31, 44, 43, 0.08);
}

/* Features */
.features {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  padding: 112px 24px;
}

.section-eyebrow {
  text-align: center;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin: 0 auto 12px;
}

.features h2 {
  max-width: 760px;
  margin: 0 auto 64px;
  text-align: center;
}

.feature-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature {
  background: var(--card);
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid rgba(231, 221, 208, 0.6);
  box-shadow: 0 1px 3px rgba(31, 44, 43, 0.04);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(31, 44, 43, 0.08);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(95, 158, 138, 0.18), rgba(95, 158, 138, 0.08));
  color: var(--accent-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
}

.feature h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.feature p {
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0;
}

/* Showcase */
.showcase {
  padding: 96px 24px;
  text-align: center;
}

.showcase h2 {
  margin-bottom: 56px;
}

.showcase-row {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.showcase figure {
  margin: 0;
}

.showcase img {
  border-radius: var(--radius);
  filter: drop-shadow(0 18px 40px rgba(31, 44, 43, 0.1));
}

.showcase figcaption {
  margin-top: 18px;
  font-size: 0.92rem;
  color: var(--muted);
}

/* FAQ */
.faq {
  max-width: 760px;
  margin: 0 auto;
  padding: 96px 24px;
}

.faq h2 {
  text-align: center;
  margin-bottom: 40px;
}

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
}

.faq summary {
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 32px;
  color: var(--ink);
}

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

.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.4rem;
  color: var(--muted);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  margin-top: 12px;
}

/* App Store button */
.appstore-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--ink);
  color: #fff;
  padding: 10px 22px 10px 18px;
  border-radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  transition: transform 0.15s ease, background 0.15s ease;
}

.appstore-btn:hover {
  background: #000;
  color: #fff;
  transform: translateY(-1px);
}

.appstore-btn svg {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.appstore-btn span {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.05;
}

.appstore-btn small {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  margin-bottom: 2px;
}

.appstore-btn strong {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.005em;
}

/* Download CTA */
.download-cta {
  background: var(--ink);
  color: var(--bg);
  padding: 96px 24px;
  text-align: center;
}

.download-cta h2 {
  color: var(--bg);
  margin-bottom: 12px;
}

.download-cta p {
  color: rgba(252, 247, 242, 0.78);
  margin-bottom: 28px;
}

.appstore-btn-light {
  background: var(--bg);
  color: var(--ink);
}

.appstore-btn-light:hover {
  background: #fff;
  color: var(--ink);
}

.download-cta .micro {
  color: rgba(252, 247, 242, 0.55);
  margin-top: 18px;
}

/* Footer */
.footer {
  padding: 32px 24px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.footer-brand img {
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.lang-switcher {
  font: inherit;
  font-size: 0.92rem;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 26px 4px 10px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='none' stroke='%236f7a79' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' d='M1 1l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
}

.lang-switcher:hover {
  color: var(--ink);
  border-color: var(--ink-soft);
}

.copyright {
  width: 100%;
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
  text-align: center;
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 56px;
  }
  .hero-image {
    order: -1;
  }
  .hero-image img {
    max-width: 280px;
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .showcase-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .nav-links {
    display: none;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .features,
  .showcase,
  .faq,
  .download-cta {
    padding: 64px 20px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-links {
    margin-left: 0;
  }
}