/* Doggy Data — Shelter Dog Tracking */
:root {
  --bg: #FAFAF8;
  --bg-alt: #F0F0EC;
  --text: #2D2D2D;
  --text-light: #6B6B6B;
  --primary: #2B6CB0;
  --primary-dark: #1E4E7E;
  --accent: #E07A3A;
  --green: #38A169;
  --red: #E53E3E;
  --purple: #805AD5;
  --card: #FFFFFF;
  --border: #E2E2DE;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --radius: 12px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  background: rgba(250,250,248,0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}
.nav.scrolled { border-bottom-color: var(--border); background: rgba(250,250,248,0.97); }
.nav-logo { font-weight: 800; font-size: 1.2rem; text-decoration: none; color: var(--text); }
.nav-links { display: flex; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--text-light); font-size: 0.9rem; font-weight: 500; transition: color 0.15s; }
.nav-links a:hover { color: var(--primary); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; }

/* HERO */
.hero {
  min-height: 80vh; display: flex; align-items: center; justify-content: center;
  padding: 120px 24px 80px; text-align: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}
.hero h1 {
  font-family: 'Merriweather', serif;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.15; margin-bottom: 20px;
}
.hero h1 em { color: var(--primary); font-style: italic; }
.hero p { font-size: 1.15rem; color: var(--text-light); max-width: 560px; margin: 0 auto 32px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* BUTTONS */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(43,108,176,0.3); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--card); color: var(--primary); border: 1.5px solid var(--primary); }
.btn-secondary:hover { background: var(--primary); color: #fff; }

/* SECTIONS */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-title {
  font-family: 'Merriweather', serif; font-size: 2rem;
  text-align: center; margin-bottom: 12px;
}
.section-subtitle { text-align: center; color: var(--text-light); max-width: 600px; margin: 0 auto 48px; font-size: 1.05rem; }

/* ABOUT */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.about-text p { margin-bottom: 16px; color: var(--text-light); }
.about-text p strong { color: var(--text); }
.about-stats { display: flex; flex-direction: column; gap: 16px; }
.stat-card {
  background: var(--card); border-radius: var(--radius); padding: 24px;
  text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border);
}
.stat-number { display: block; font-size: 2.4rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.85rem; color: var(--text-light); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }

/* STEPS */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  background: var(--card); border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.step-number {
  width: 36px; height: 36px; border-radius: 50%; background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem; margin-bottom: 16px;
}
.step-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.step-card p { font-size: 0.9rem; color: var(--text-light); }
.methodology-note {
  margin-top: 40px; padding: 24px; background: var(--card); border-radius: var(--radius);
  border-left: 4px solid var(--primary); font-size: 0.9rem; color: var(--text-light); max-width: 720px; margin-left: auto; margin-right: auto;
}
.methodology-note strong { color: var(--text); }

/* TRACKER */
.tracker-embed { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border); padding: 24px; min-height: 200px; }
.tracker-loading { text-align: center; padding: 48px; color: var(--text-light); }
.tracker-table-wrap { overflow-x: auto; }
.tracker-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.tracker-table th { text-align: left; padding: 12px 16px; border-bottom: 2px solid var(--border); font-weight: 600; color: var(--text-light); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }
.tracker-table td { padding: 10px 16px; border-bottom: 1px solid var(--border); }
.tracker-table tr:hover { background: var(--bg-alt); }
.dog-name { font-weight: 600; }
.trip-badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-weight: 600; font-size: 0.85rem; background: var(--bg-alt); }
.trip-badge.zero { background: #FED7D7; color: var(--red); }
.status-badge { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 0.8rem; font-weight: 500; }
.status-badge.at-shelter { background: #EBF8FF; color: var(--primary); }
.status-badge.foster { background: #FAF5FF; color: var(--purple); }
.status-badge.adopted { background: #F0FFF4; color: var(--green); }
.status-badge.returned { background: #FFF5F5; color: var(--red); }
.tracker-count { margin-top: 16px; font-size: 0.85rem; color: var(--text-light); }
.tracker-actions { text-align: center; margin-top: 24px; }

/* DATA CARDS */
.data-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.data-card {
  background: var(--card); border-radius: var(--radius); padding: 32px 24px;
  text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border);
}
.data-card h3 { font-size: 1.3rem; margin-bottom: 12px; }
.data-number { display: block; font-size: 3rem; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
.data-card p { font-size: 0.85rem; color: var(--text-light); }

/* SHELTER INFO */
.shelter-info { max-width: 680px; margin: 0 auto; text-align: center; }
.shelter-info p { color: var(--text-light); margin-bottom: 16px; }
.shelter-links { display: flex; gap: 16px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }

/* CONTACT */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.contact-text p { color: var(--text-light); margin-bottom: 16px; }
.contact-links { text-align: center; }
.contact-links .btn { display: block; margin: 0 auto 16px; }
.contact-note { font-size: 0.85rem; color: var(--text-light); }
.contact-note a { color: var(--primary); }

/* FOOTER */
.footer { background: var(--text); color: rgba(255,255,255,0.7); padding: 40px 24px; text-align: center; }
.footer a { color: rgba(255,255,255,0.9); text-decoration: none; }
.footer a:hover { color: #fff; }
.footer-sub { font-size: 0.8rem; margin: 8px 0; opacity: 0.7; }
.footer-links { margin-top: 12px; font-size: 0.85rem; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--card); flex-direction: column; padding: 16px 24px;
    border-bottom: 1px solid var(--border); gap: 12px;
  }
  .nav-links.open { display: flex; }
  .about-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .data-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; text-align: center; }
  .hero { min-height: 70vh; }
}
@media (max-width: 480px) {
  .steps-grid { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: 1fr; }
}