@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --color-primary: #216b2f;
  --color-primary-hover: #1a5425;
  --color-primary-soft: #e0f0db;
  --color-secondary: #2f8b3a;
  --color-secondary-hover: #267b31;
  --color-accent: #c39b2e;
  --color-accent-hover: #a97e24;
  --color-success: #2e8b57;
  --color-warning: #d49b1f;
  --color-danger: #d64545;
  --color-info: #3f7fbf;
  --color-background: #f8faf5;
  --color-surface: #ffffff;
  --color-surface-soft: #f4f7f1;
  --color-surface-muted: #edf3e7;
  --color-border: #dce3d7;
  --color-shadow: rgba(24, 39, 29, 0.08);
  --color-text: #17221f;
  --color-text-secondary: #5d6c63;
  --color-white: #ffffff;
  --color-light-gray: #f7f9f5;
  --color-gray: #7c8a80;
  --color-dark-gray: #42504a;
  --color-black: #111111;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 999px;
  --radius-circle: 50%;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 64px;
  --space-11: 80px;
  --space-12: 96px;
  --space-13: 128px;
  --container-width: 1200px;
  --transition: 0.28s ease;
  --navbar-height: 78px;
  --footer-height: 280px;
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-modal: 1100;
  --shadow-xs: 0 4px 12px rgba(24, 39, 29, 0.06);
  --shadow-sm: 0 10px 24px rgba(24, 39, 29, 0.08);
  --shadow-md: 0 16px 40px rgba(24, 39, 29, 0.12);
  --shadow-lg: 0 24px 60px rgba(24, 39, 29, 0.16);
  --shadow-xl: 0 32px 80px rgba(24, 39, 29, 0.18);
  --shadow-hover: 0 20px 50px rgba(24, 39, 29, 0.14);
  --shadow-card: 0 16px 45px rgba(24, 39, 29, 0.08);
  --shadow-navbar: 0 8px 24px rgba(24, 39, 29, 0.06);
  --shadow-modal: 0 24px 70px rgba(24, 39, 29, 0.16);
  --font-display: 700 clamp(2.5rem, 4vw, 3.6rem)/1.02 'Poppins', sans-serif;
  --font-h1: 700 clamp(2rem, 3.2vw, 2.8rem)/1.1 'Poppins', sans-serif;
  --font-h2: 700 clamp(1.6rem, 2.6vw, 2.2rem)/1.2 'Poppins', sans-serif;
  --font-h3: 600 1.3rem/1.3 'Poppins', sans-serif;
  --font-h4: 600 1.1rem/1.3 'Poppins', sans-serif;
  --font-h5: 600 1rem/1.3 'Poppins', sans-serif;
  --font-h6: 600 0.95rem/1.3 'Poppins', sans-serif;
  --font-subtitle: 500 1.06rem/1.6 'Poppins', sans-serif;
  --font-body-large: 400 1.05rem/1.7 'Poppins', sans-serif;
  --font-body: 400 1rem/1.7 'Poppins', sans-serif;
  --font-body-small: 400 0.92rem/1.6 'Poppins', sans-serif;
  --font-caption: 400 0.8rem/1.5 'Poppins', sans-serif;
  --font-button: 600 0.95rem/1.2 'Poppins', sans-serif;
  --font-label: 600 0.9rem/1.3 'Poppins', sans-serif;
  --font-code: 400 0.95rem/1.6 'ui-monospace', monospace;
  --letter-spacing: 0.01em;
  --line-height-body: 1.7;
  --opacity-low: 0.7;
  --opacity-medium: 0.85;
  --opacity-high: 0.95;
  --transition-fast: 160ms ease;
  --transition-base: 280ms ease;
  --transition-slow: 420ms ease;
  --focus-ring: 0 0 0 3px rgba(33, 107, 47, 0.18);
  --surface-elevated: var(--color-surface);
  --surface-contrast: var(--color-surface-soft);
  --bg: var(--color-background);
  --surface: var(--color-surface);
  --surface-soft: var(--color-surface-soft);
  --surface-muted: var(--color-surface-muted);
  --primary: var(--color-primary);
  --primary-soft: var(--color-primary-soft);
  --secondary: var(--color-secondary);
  --accent: var(--color-accent);
  --text: var(--color-text);
  --text-muted: var(--color-text-secondary);
  --border: var(--color-border);
  --shadow: var(--shadow-card);
  --radius: var(--radius-lg);
  --radius-card: var(--radius-xl);
  --transition: var(--transition);
}

* {
  box-sizing: border-box;
}

html {
  font-family: 'Poppins', Inter, system-ui, sans-serif;
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing);
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}

img,
picture,
video,
svg {
  max-width: 100%;
  display: block;
}

a,
button,
input,
textarea,
select,
.card,
.btn,
.primary-btn,
.secondary-btn,
.outline-btn,
.ghost-btn,
.danger-btn,
.success-btn {
  transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), opacity var(--transition-base);
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(33, 107, 47, 0.2);
  outline-offset: 3px;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(33, 107, 47, 0.15);
}

.container {
  width: min(var(--container-width), calc(100% - 2rem));
  margin: 0 auto;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform-origin: left;
  transform: scaleX(0);
  z-index: 1400;
  pointer-events: none;
}

img[loading="lazy"] {
  opacity: 0;
  transition: opacity var(--transition-base);
}

img[loading="lazy"].loaded {
  opacity: 1;
}

.header {
  position: sticky;
  top: 0;
  z-index: 120;
  width: 100%;
  backdrop-filter: blur(18px);
  background: transparent;
  transition: background var(--transition), border-color var(--transition), padding var(--transition);
  border-bottom: 1px solid transparent;
}

.header.header--scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(34, 78, 32, 0.08);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand__mark {
  width: 46px;
  height: 46px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(33, 107, 47, 0.16), rgba(195, 155, 46, 0.16));
}

.brand__mark span {
  color: var(--primary);
  font-weight: 700;
  font-size: 1.15rem;
}

.brand__text strong {
  display: block;
  letter-spacing: -0.02em;
}

.brand__text small {
  color: var(--text-muted);
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(33, 107, 47, 0.16);
  background: var(--surface);
  width: 46px;
  height: 46px;
  border-radius: 14px;
  color: var(--primary);
  font-weight: 700;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__list a {
  color: var(--text);
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.announcement-bar {
  background: linear-gradient(90deg, rgba(33, 107, 47, 0.12), rgba(195, 155, 46, 0.2));
  color: var(--color-text);
  text-align: center;
  padding: 0.7rem 1rem;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(33, 107, 47, 0.08);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 1300;
  background: var(--color-primary);
  color: white;
  padding: 0.75rem 1rem;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.skip-link:focus {
  top: 0;
}

.site-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 14, 10, 0.48);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  z-index: 900;
}

.site-overlay.active {
  opacity: 1;
  visibility: visible;
}

body.nav-open {
  overflow: hidden;
}

.search-clear {
  display: none;
  border: 1px solid rgba(33, 107, 47, 0.18);
  background: transparent;
  color: var(--color-primary);
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
}

.search-clear.visible {
  display: inline-flex;
}

.search-status {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.nav__list .has-dropdown {
  position: relative;
}

.nav__list .nav-dropdown-toggle {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0;
}

.nav__list .nav-dropdown-toggle .caret {
  font-size: 0.8rem;
  transition: transform var(--transition);
}

.nav__list .has-dropdown:hover .caret,
.nav__list .has-dropdown:focus-within .caret,
.nav__list .has-dropdown.open .caret {
  transform: rotate(180deg);
}

.nav__list .submenu {
  position: absolute;
  top: calc(100% + 0.7rem);
  left: 0;
  min-width: 220px;
  padding: 0.8rem;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid rgba(33, 107, 47, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: grid;
  gap: 0.35rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.nav__list .has-dropdown:hover .submenu,
.nav__list .has-dropdown:focus-within .submenu,
.nav__list .has-dropdown.open .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__list .submenu a {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-md);
}

.nav__list .submenu a:hover,
.nav__list .submenu a:focus-visible {
  background: rgba(33, 107, 47, 0.08);
}

.nav__list a.active,
.nav__list .nav-dropdown-toggle.active {
  color: var(--color-primary);
  font-weight: 700;
}

.back-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: 1.2rem;
  z-index: 1100;
  width: 48px;
  height: 48px;
  border: 0;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.empty-state {
  border: 1px dashed rgba(33, 107, 47, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  background: rgba(33, 107, 47, 0.04);
}

.btn,
.primary-btn,
.secondary-btn,
.outline-btn,
.ghost-btn,
.danger-btn,
.success-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: var(--radius-pill);
  border: none;
  padding: 0.95rem 1.6rem;
  font: var(--font-button);
  transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), color var(--transition);
}

.primary-btn,
.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 18px 30px rgba(33, 107, 47, 0.14);
}

.primary-btn:hover,
.primary-btn:focus-visible,
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-hover);
}

.secondary-btn,
.btn--secondary {
  background: rgba(33, 107, 47, 0.08);
  color: var(--primary);
  border: 1px solid rgba(33, 107, 47, 0.18);
}

.outline-btn {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--color-primary);
}

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

.danger-btn {
  background: var(--color-danger);
  color: var(--color-white);
}

.success-btn {
  background: var(--color-success);
  color: var(--color-white);
}

.btn:focus-visible,
.primary-btn:focus-visible,
.secondary-btn:focus-visible,
.outline-btn:focus-visible,
.ghost-btn:focus-visible,
.danger-btn:focus-visible,
.success-btn:focus-visible {
  outline: 3px solid rgba(33, 107, 47, 0.24);
  outline-offset: 3px;
}

.primary-btn:hover,
.secondary-btn:hover,
.outline-btn:hover,
.ghost-btn:hover,
.danger-btn:hover,
.success-btn:hover,
.btn:hover {
  transform: translateY(-1px);
}

.hero {
  padding: clamp(4rem, 8vw, 6rem) 0 3rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) 420px;
  gap: var(--space-5);
  align-items: center;
}

.hero__eyebrow,
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-size: 0.95rem;
}

.hero__title,
.section__title {
  margin: 0;
  font: var(--font-h1);
}

.hero__text {
  max-width: 680px;
  margin: var(--space-4) 0 var(--space-6);
  color: var(--text-muted);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.search-bar {
  display: grid;
  gap: var(--space-3);
  border-radius: 22px;
  padding: 1.5rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  border: 1px solid rgba(33, 107, 47, 0.08);
}

.search-bar label {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.search-bar .search-label {
  font-weight: 700;
}

.search-input {
  width: 100%;
  min-width: 220px;
  border: 1px solid rgba(33, 107, 47, 0.12);
  border-radius: 16px;
  padding: 1rem 1.2rem;
  background: var(--surface-soft);
  color: var(--text);
}

.search-input:focus {
  outline: 2px solid rgba(33, 107, 47, 0.18);
}

.section {
  padding: 5rem 0;
}

.section--light {
  background: var(--surface);
}

.section__head {
  display: grid;
  gap: 0.85rem;
  margin-bottom: 2.5rem;
}

.section__head h2 {
  margin: 0;
  font-size: clamp(2rem, 2.8vw, 2.8rem);
}

.section__head p {
  margin: 0;
  color: var(--text-muted);
  max-width: 640px;
}

.card-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card,
.category-card,
.article-card,
.tool-card,
.feature-card,
.stats-card,
.faq-card,
.result-box,
.author-box,
.toc,
.newsletter,
.footer-grid,
.footer-bottom {
  background: var(--surface);
}

.card,
.category-card,
.article-card,
.tool-card,
.feature-card,
.stats-card,
.faq-card,
.result-box,
.author-box,
.toc,
.newsletter {
  border: 1px solid rgba(33, 107, 47, 0.08);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  box-shadow: var(--shadow);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card:hover,
.category-card:hover,
.article-card:hover,
.tool-card:hover,
.feature-card:hover,
.faq-card:hover {
  transform: translateY(-3px);
  border-color: rgba(33, 107, 47, 0.16);
}

.category-card h3,
.article-card h3,
.tool-card h3,
.feature-card h3,
.card h3 {
  margin: 0 0 var(--space-3);
  font-size: 1.3rem;
}

.category-card p,
.article-card p,
.tool-card p,
.feature-card p,
.card p,
.result-box p,
.faq-answer,
.sidebar p {
  color: var(--text-muted);
}

.category-card .tag,
.tool-card .tag,
.article-card .tag,
.card__meta,
.card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--space-3);
  color: var(--primary);
  font-size: 0.95rem;
  font-weight: 600;
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: rgba(33, 107, 47, 0.08);
  color: var(--primary);
  font-weight: 700;
}

.feature-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-card strong {
  color: var(--primary);
}

.stats-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.stats-card {
  padding: var(--space-5);
  text-align: center;
}

.stats-card h3 {
  margin: 0;
  font-size: 2.6rem;
}

.stats-card p {
  margin: var(--space-2) 0 0;
}

.faq-grid {
  display: grid;
  gap: var(--space-3);
}

.faq-card {
  overflow: hidden;
}

.faq-card button {
  width: 100%;
  border: none;
  background: transparent;
  padding: var(--space-4) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  font-size: 1rem;
}

.faq-card button span {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.faq-card p {
  margin: 0;
  color: var(--text-muted);
  padding-bottom: 1.25rem;
}

.newsletter {
  padding: var(--space-5);
  border-radius: var(--radius-card);
  border: 1px solid rgba(33, 107, 47, 0.12);
}

.newsletter form {
  display: grid;
  gap: var(--space-3);
  align-items: center;
}

.newsletter input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(33, 107, 47, 0.14);
  padding: 1rem 1.2rem;
  background: var(--surface);
  color: var(--text);
}

.newsletter input:focus {
  outline: 2px solid rgba(33, 107, 47, 0.2);
}

.newsletter p {
  margin: 0;
  color: var(--text-muted);
}

footer {
  background: #17211a;
  color: #d9e0d3;
  padding: 3rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

.footer-grid h3 {
  color: #fff;
  margin-bottom: var(--space-3);
}

.footer-grid p,
.footer-grid a,
.footer-grid li {
  color: #cdd5ca;
}

.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-logo span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(138, 194, 75, 0.18);
  color: #eff5ea;
}

.ad-slot {
  display: grid;
  place-items: center;
  min-height: 148px;
  border: 1px dashed rgba(33, 107, 47, 0.28);
  border-radius: var(--radius-card);
  background: rgba(232, 243, 227, 0.6);
  color: var(--text-muted);
  text-align: center;
  padding: var(--space-4);
}

.ad-slot strong {
  display: block;
  margin-bottom: 0.5rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.breadcrumbs a {
  color: var(--text);
}

.breadcrumbs span:last-child {
  color: var(--text);
  font-weight: 600;
}

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

  .hero {
    padding-top: 3rem;
  }
}

@media (max-width: 680px) {
  .navbar {
    flex-wrap: wrap;
  }

  .nav__list {
    display: none;
    position: absolute;
    top: 100%;
    right: 1rem;
    width: min(260px, 100%);
    background: rgba(246, 248, 245, 0.98);
    border: 1px solid rgba(111, 137, 103, 0.18);
    border-radius: 20px;
    box-shadow: 0 16px 28px rgba(20, 44, 17, 0.16);
    flex-direction: column;
    padding: 1rem;
    gap: 0.75rem;
  }

  .nav__list.active {
    display: flex;
  }

  .nav-actions {
    width: 100%;
    justify-content: space-between;
  }

  .hero__content h1 {
    font-size: 2.6rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}