* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f6fbf9;
  color: #17352d;
  line-height: 1.6;
}

.guide-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 31, 27, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.guide-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}

.guide-nav a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-size: 0.96rem;
  transition: color 0.25s ease;
}

.guide-nav a:hover {
  color: #ffffff;
}

.guide-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  background:
    linear-gradient(rgba(8, 23, 20, 0.35), rgba(8, 23, 20, 0.35)),
    url("../img/guide-hero.jpg") center/cover no-repeat;
}

.guide-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(7, 25, 21, 0.76) 0%,
    rgba(17, 54, 45, 0.48) 55%,
    rgba(7, 25, 21, 0.62) 100%
  );
}

.guide-hero-content {
  position: relative;
  z-index: 2;
  width: min(950px, 100%);
  text-align: center;
  color: #fff;
}

.eyebrow,
.section-label {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #7cd4b2;
  font-weight: 700;
}

.guide-hero-content h1 {
  font-size: clamp(2.6rem, 6vw, 5.3rem);
  line-height: 1.02;
  margin-bottom: 22px;
  letter-spacing: -0.03em;
}

.hero-text {
  max-width: 780px;
  margin: 0 auto 30px;
  font-size: 1.14rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: #2f8c73;
  color: #fff;
}

.btn-primary:hover {
  background: #236b57;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.intro-strip {
  width: min(1200px, calc(100% - 40px));
  margin: -56px auto 0;
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.intro-card {
  background: rgba(255, 255, 255, 0.95);
  padding: 28px;
  border-radius: 24px;
  box-shadow: 0 20px 45px rgba(21, 58, 50, 0.12);
  border: 1px solid rgba(31, 88, 74, 0.08);
}

.intro-card h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: #16342d;
}

.intro-card p {
  color: #5f756f;
}

.section-block {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
  padding: 100px 0;
}

.alt-bg {
  background: linear-gradient(180deg, #eef7f4 0%, #f6fbf9 100%);
  width: 100%;
  padding-left: max(20px, calc((100% - 1200px) / 2));
  padding-right: max(20px, calc((100% - 1200px) / 2));
}

.section-heading {
  max-width: 860px;
  margin-bottom: 34px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  color: #16342d;
  margin-bottom: 14px;
}

.section-subtext {
  color: #607771;
  font-size: 1.06rem;
}

.two-column-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 26px;
}

.content-panel,
.stats-panel,
.guide-card,
.quote-panel,
.impact-card,
.tip {
  border-radius: 24px;
}

.large-panel {
  background: #ffffff;
  padding: 34px;
  box-shadow: 0 18px 40px rgba(21, 58, 50, 0.08);
  border: 1px solid rgba(31, 88, 74, 0.08);
}

.large-panel p {
  font-size: 1.02rem;
  color: #566d67;
  margin-bottom: 18px;
}

.stats-panel {
  display: grid;
  gap: 18px;
}

.stat-box {
  background: linear-gradient(135deg, #173d34 0%, #24574a 100%);
  color: #fff;
  padding: 24px;
  box-shadow: 0 16px 34px rgba(15, 42, 36, 0.18);
}

.stat-box span {
  display: inline-block;
  margin-bottom: 12px;
  color: #8ee2c2;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.stat-box h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.stat-box p {
  color: rgba(255, 255, 255, 0.85);
}

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.guide-card {
  background: #ffffff;
  padding: 30px;
  box-shadow: 0 16px 34px rgba(21, 58, 50, 0.08);
  border: 1px solid rgba(31, 88, 74, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.guide-card:hover,
.impact-card:hover,
.tip:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 44px rgba(21, 58, 50, 0.12);
}

.card-number {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: #e7f5ef;
  color: #1f6a57;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 18px;
}

.guide-card h3 {
  margin-bottom: 12px;
  font-size: 1.22rem;
  color: #16342d;
}

.guide-card p {
  color: #5d746e;
}

.feature-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature-item {
  background: #fff;
  padding: 26px;
  border-radius: 22px;
  border: 1px solid rgba(31, 88, 74, 0.08);
  box-shadow: 0 14px 30px rgba(21, 58, 50, 0.07);
}

.feature-item h3 {
  margin-bottom: 10px;
  color: #17352d;
}

.feature-item p {
  color: #607771;
}

.quote-panel {
  background: linear-gradient(135deg, #1c4a3f 0%, #102a24 100%);
  color: #fff;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 20px 40px rgba(13, 34, 29, 0.18);
}

.quote-panel blockquote {
  font-size: 1.8rem;
  line-height: 1.25;
  margin-bottom: 18px;
  font-weight: 700;
}

.quote-panel p {
  color: rgba(255, 255, 255, 0.82);
}

.dark-section {
  width: 100%;
  background: linear-gradient(180deg, #0f2722 0%, #163a31 100%);
  padding-left: max(20px, calc((100% - 1200px) / 2));
  padding-right: max(20px, calc((100% - 1200px) / 2));
}

.section-heading.light h2,
.section-heading.light .section-subtext {
  color: #ffffff;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.impact-card {
  background: rgba(255, 255, 255, 0.06);
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.16);
}

.impact-card h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 12px;
}

.impact-card p {
  color: rgba(255, 255, 255, 0.84);
  margin-bottom: 18px;
}

.impact-card a {
  color: #8ee2c2;
  text-decoration: none;
  font-weight: 700;
}

.impact-card a:hover {
  color: #b8f0da;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.tip {
  background: #ffffff;
  padding: 26px;
  border: 1px solid rgba(31, 88, 74, 0.08);
  box-shadow: 0 14px 30px rgba(21, 58, 50, 0.07);
}

.tip h3 {
  margin-bottom: 10px;
  color: #17352d;
  font-size: 1.1rem;
}

.tip p {
  color: #607771;
}

.guide-final-cta {
  padding: 40px 20px 100px;
}

.final-cta-box {
  width: min(1100px, 100%);
  margin: 0 auto;
  background: linear-gradient(135deg, #173d34 0%, #24584a 100%);
  color: #fff;
  border-radius: 30px;
  padding: 52px 40px;
  box-shadow: 0 26px 50px rgba(17, 49, 42, 0.2);
  text-align: center;
}

.final-cta-box h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  margin-bottom: 16px;
}

.final-cta-box p:not(.section-label) {
  max-width: 760px;
  margin: 0 auto 28px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
}

@media (max-width: 1100px) {
  .intro-strip,
  .guide-card-grid,
  .impact-grid,
  .tips-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-column-grid,
  .feature-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .guide-nav {
    justify-content: center;
    gap: 14px;
  }

  .intro-strip,
  .guide-card-grid,
  .impact-grid,
  .tips-grid {
    grid-template-columns: 1fr;
  }

  .guide-hero {
    min-height: 76vh;
  }

  .guide-hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-text {
    font-size: 1rem;
  }

  .intro-card,
  .large-panel,
  .guide-card,
  .feature-item,
  .impact-card,
  .tip,
  .quote-panel {
    padding: 22px;
  }

  .final-cta-box {
    padding: 36px 22px;
  }
}

.header-inner b {
  color: rgb(8, 255, 8);
}