*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Georgia", serif;
  font-size: 17px;
  line-height: 1.75;
  color: #2c2c2c;
  background: #faf9f7;
}

/* ── NAV ── */
nav {
  background: #fff;
  border-bottom: 1px solid #e8e4df;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: #3a7d5f;
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}
.nav-links a {
  text-decoration: none;
  color: #555;
  font-size: 0.95rem;
  font-family: sans-serif;
  transition: color 0.2s;
}
.nav-links a:hover {
  color: #3a7d5f;
}

/* ── TOP BANNER ── */
.top-banner {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  display: flex;
  align-items: center;
}
.top-banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.top-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(20, 40, 30, 0.62) 0%,
    rgba(20, 40, 30, 0.18) 100%
  );
}
.top-banner-content {
  position: relative;
  z-index: 2;
  max-width: 580px;
  padding: 64px 48px;
  color: #fff;
}
.top-banner-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 20px;
  padding: 4px 16px;
  font-size: 0.82rem;
  font-family: sans-serif;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.top-banner h1 {
  font-size: 2.5rem;
  line-height: 1.25;
  margin-bottom: 18px;
  font-weight: 700;
}
.top-banner p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 440px;
  font-family: sans-serif;
  line-height: 1.65;
}

/* ── INTRO STRIP ── */
.intro-strip {
  background: #3a7d5f;
  color: #fff;
  text-align: center;
  padding: 28px 24px;
  font-family: sans-serif;
  font-size: 1rem;
  line-height: 1.6;
}
.intro-strip strong {
  font-weight: 700;
}

/* ── SECTION ── */
section {
  padding: 72px 24px;
}
.container {
  max-width: 1080px;
  margin: 0 auto;
}
.section-label {
  font-family: sans-serif;
  font-size: 0.78rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: #3a7d5f;
  margin-bottom: 10px;
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #1a2e24;
  margin-bottom: 16px;
  line-height: 1.25;
}
.section-sub {
  font-family: sans-serif;
  font-size: 1rem;
  color: #666;
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 48px;
}

/* ── CARDS ── */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}
.card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.07);
  transition:
    transform 0.25s,
    box-shadow 0.25s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}
.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}
.card-body {
  padding: 28px;
}
.card-icon {
  width: 40px;
  height: 40px;
  background: #eaf5ef;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 1.3rem;
  color: #3a7d5f;
}
.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #1a2e24;
  margin-bottom: 10px;
}
.card p {
  font-family: sans-serif;
  font-size: 0.94rem;
  color: #555;
  line-height: 1.65;
}

/* ── TIPS ── */
.tips-section {
  background: #f0f7f3;
}
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.tip-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.tip-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: #3a7d5f;
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
}
.tip-text h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #1a2e24;
  margin-bottom: 6px;
}
.tip-text p {
  font-family: sans-serif;
  font-size: 0.9rem;
  color: #555;
  line-height: 1.6;
}

/* ── QUOTE ── */
.quote-section {
  background: #1a2e24;
  color: #fff;
  text-align: center;
  padding: 80px 24px;
}
.quote-section blockquote {
  font-size: 1.5rem;
  line-height: 1.5;
  max-width: 680px;
  margin: 0 auto 20px;
  font-style: italic;
}
.quote-section cite {
  font-family: sans-serif;
  font-size: 0.9rem;
  opacity: 0.65;
}

/* ── ARTICLES ── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.article-card {
  border-bottom: 3px solid #e8e4df;
  padding-bottom: 28px;
}
.article-card .tag {
  font-family: sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: #3a7d5f;
  margin-bottom: 10px;
}
.article-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #1a2e24;
  margin-bottom: 10px;
  line-height: 1.35;
}
.article-card p {
  font-family: sans-serif;
  font-size: 0.9rem;
  color: #666;
  line-height: 1.6;
}

/* ── FOOTER ── */
footer {
  background: #1a2e24;
  color: rgba(255, 255, 255, 0.65);
  padding: 48px 24px 32px;
  font-family: sans-serif;
  font-size: 0.88rem;
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
}
.footer-brand .brand-name {
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.footer-brand p {
  max-width: 260px;
  line-height: 1.65;
}
.footer-links h4 {
  color: #fff;
  margin-bottom: 14px;
  font-size: 0.9rem;
}
.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: #fff;
}
.footer-bottom {
  max-width: 1080px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}
.footer-bottom a:hover {
  color: #fff;
}

/* ── AUDIO PRODUCT ── */
.product-section {
  background: linear-gradient(135deg, #1a2e24 0%, #2d5040 100%);
  color: #fff;
  padding: 80px 24px;
  text-align: center;
}
.product-inner {
  max-width: 680px;
  margin: 0 auto;
}
.product-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 24px;
  padding: 6px 18px;
  font-size: 0.8rem;
  font-family: sans-serif;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.product-section h2 {
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 18px;
}
.product-section .sub {
  font-family: sans-serif;
  font-size: 1rem;
  opacity: 0.8;
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.product-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-bottom: 40px;
}
.product-features span {
  font-family: sans-serif;
  font-size: 0.88rem;
  opacity: 0.75;
  display: flex;
  align-items: center;
  gap: 6px;
}
.product-features span::before {
  content: "✓";
  color: #7ecba1;
  font-weight: 700;
}
.cta-btn {
  display: inline-block;
  background: #fff;
  color: #1a2e24;
  font-family: sans-serif;
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 50px;
  text-decoration: none;
  letter-spacing: 0.3px;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.cta-note {
  font-family: sans-serif;
  font-size: 0.82rem;
  opacity: 0.5;
  margin-top: 14px;
}
.social-proof {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 36px;
  font-family: sans-serif;
  font-size: 0.88rem;
  opacity: 0.7;
}
.stars {
  color: #f5c842;
  letter-spacing: 1px;
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .top-banner h1 {
    font-size: 1.7rem;
  }
  .top-banner-content {
    padding: 48px 24px;
  }
  .nav-links {
    display: none;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .footer-inner {
    flex-direction: column;
  }
}