/* ==========================================================================
   GARDENINGEXPLAINED - GARDENING LANDING PAGE STYLESHEET
   Pure CSS - Mobile-First Responsive Design
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette: Nature-inspired soft greens, warm cream, earthy accents */
  --color-bg: #fbf9f4;            /* Warm cream / off-white background */
  --color-surface: #ffffff;       /* Pure white for cards */
  --color-surface-soft: #f4efe6;  /* Warm stone accent */
  
  --color-primary-dark: #1b4332;  /* Deep forest green for high contrast text */
  --color-primary: #2d6a4f;       /* Rich botanical green */
  --color-primary-light: #52b788; /* Fresh leafy green */
  --color-primary-subtle: #e8f5e9;/* Light mint tint */

  --color-earth-dark: #704214;    /* Earthy brown */
  --color-earth-accent: #c47c5d;  /* Terracotta accent */
  --color-earth-light: #faeee7;   /* Soft terracotta tint */

  --color-text-main: #232c27;     /* High-contrast readable body text */
  --color-text-muted: #53645c;    /* Accessible secondary text */
  --color-border: #e3ded5;        /* Soft border tone */

  --color-pinterest: #bd081c;     /* Pinterest signature red */
  --color-pinterest-hover: #9c0617;

  /* Typography */
  --font-heading: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing & Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  --shadow-sm: 0 2px 8px rgba(27, 67, 50, 0.05);
  --shadow-md: 0 8px 24px rgba(27, 67, 50, 0.08);
  --shadow-lg: 0 16px 36px rgba(27, 67, 50, 0.12);

  --transition-default: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility: Focus styles */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 3px;
}

/* Container */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Typography Helpers */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary-dark);
  line-height: 1.25;
  font-weight: 700;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-pill);
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-default);
  text-align: center;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border: 1px solid var(--color-primary);
  box-shadow: 0 4px 14px rgba(45, 106, 79, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(27, 67, 50, 0.3);
}

.btn-secondary {
  background-color: var(--color-surface);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--color-primary-subtle);
  border-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

.btn-pinterest {
  background-color: var(--color-pinterest);
  color: #ffffff;
  border: none;
  font-size: 1.05rem;
  padding: 0.95rem 2rem;
  box-shadow: 0 4px 16px rgba(189, 8, 28, 0.25);
}

.btn-pinterest:hover {
  background-color: var(--color-pinterest-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(189, 8, 28, 0.35);
}

.btn-icon {
  flex-shrink: 0;
}

/* --- Section Tags & Headers --- */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1.075rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: rgba(251, 249, 244, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  color: var(--color-primary-dark);
}

.logo-icon {
  font-size: 1.5rem;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.25rem;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-default);
}

.nav-link:hover {
  color: var(--color-primary);
}

.nav-btn {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-dark);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
}

.nav-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at 80% 20%, rgba(82, 183, 136, 0.12), transparent 45%),
              radial-gradient(circle at 15% 85%, rgba(196, 124, 93, 0.1), transparent 40%);
  text-align: center;
}

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

.hero-content {
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-primary-dark);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-size: 2.35rem;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  color: var(--color-primary-dark);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 2.25rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  justify-content: center;
}

/* ==========================================================================
   Tips & Knowledge Cards Section
   ========================================================================== */
.tips-section {
  padding: 4.5rem 0;
}

.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-default);
  position: relative;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-light);
}

.card-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-emoji {
  font-size: 1.85rem;
}

.card-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.card-text {
  color: var(--color-text-muted);
  font-size: 0.975rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-meta {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  border-top: 1px dashed var(--color-border);
  padding-top: 0.85rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  padding: 2.5rem 0 4.5rem;
}

.about-card {
  background-color: var(--color-surface-soft);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.75rem;
  position: relative;
  overflow: hidden;
}

/* Subtle background botanical ornament */
.about-card::after {
  content: "🌿";
  position: absolute;
  right: -20px;
  bottom: -30px;
  font-size: 8rem;
  opacity: 0.08;
  pointer-events: none;
}

.about-content {
  max-width: 820px;
  margin: 0 auto;
}

.about-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
  line-height: 1.75;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.highlight-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  font-size: 0.95rem;
}

.highlight-icon {
  font-size: 1.15rem;
}

/* ==========================================================================
   Pinterest CTA Section
   ========================================================================== */
.pinterest-section {
  padding: 2rem 0 5rem;
}

.pinterest-box {
  background: linear-gradient(135deg, #ffffff 0%, var(--color-earth-light) 100%);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  max-width: 860px;
  margin: 0 auto;
}

.pinterest-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background-color: var(--color-pinterest);
  color: #ffffff;
  border-radius: 50%;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 12px rgba(189, 8, 28, 0.25);
}

.pinterest-title {
  font-size: 1.85rem;
  margin-bottom: 0.85rem;
}

.pinterest-text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 2rem auto;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #e5ede8;
  padding: 3.5rem 0 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.75rem;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
}

.footer-tagline {
  font-size: 0.925rem;
  color: #a4c2b3;
  margin-top: 0.35rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.footer-nav a {
  color: #cfe1d7;
  text-decoration: none;
  font-size: 0.925rem;
  font-weight: 500;
  transition: var(--transition-default);
}

.footer-nav a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.footer-copy {
  font-size: 0.85rem;
  color: #89a898;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  width: 100%;
}

/* ==========================================================================
   Responsive Breakpoints (Desktop / Tablet Enhancements)
   ========================================================================== */
@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
  }

  .hero-actions {
    flex-direction: row;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-highlights {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .hero-section {
    padding: 6.5rem 0 5rem;
  }

  .hero-title {
    font-size: 3.5rem;
  }

  .section-title {
    font-size: 2.35rem;
  }

  .about-card {
    padding: 3.5rem 3rem;
  }

  .pinterest-box {
    padding: 4rem 3rem;
  }

  .cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-container {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }

  .footer-copy {
    border-top: none;
    padding-top: 0;
    width: auto;
  }
}