:root {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark: #0f172a;
  --text-main: #0f172a;
  --text-muted: #475569;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent: #059669;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
}

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

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

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* GLOBAL NAVIGATION & DROPDOWNS */
.site-header {
  background: var(--bg-dark);
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid #1e293b;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  text-decoration: none;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo span {
  background: var(--primary);
  color: #fff;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  color: #cbd5e1;
  text-decoration: none;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

/* Dropdown Menu Box */
.dropdown-panel {
  position: absolute;
  top: 100%;
  left: 0;
  width: 290px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 20px 30px -10px rgba(15, 23, 42, 0.2);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.18s ease;
}

.nav-item:hover .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-main);
  transition: background 0.15s;
}

.dropdown-link:hover {
  background: #f1f5f9;
}

.dropdown-link strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-main);
}

.dropdown-link span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* HOUSEHOLD BASELINE BAR */
.baseline-bar {
  background: #eff6ff;
  border-bottom: 1px solid #bfdbfe;
  padding: 12px 0;
}

.baseline-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.baseline-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
}

.badge-dot {
  width: 9px;
  height: 9px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.muted-text {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.baseline-inputs {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.mini-field {
  display: flex;
  flex-direction: column;
}

.mini-field label {
  font-size: 0.7rem;
  text-transform: uppercase;
  font-weight: 700;
  color: #1e40af;
}

.mini-field input {
  width: 115px;
  padding: 5px 8px;
  border: 1px solid #93c5fd;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.88rem;
  background: #fff;
}

.btn-save-base {
  background: #1e40af;
  color: #fff;
  border: none;
  padding: 9px 14px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
}

.btn-save-base:hover {
  background: #1e3a8a;
}

/* HERO & SIMULATOR */
.hero {
  padding: 64px 0;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.accent-text {
  color: var(--primary);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  padding: 13px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-primary:hover {
  background: var(--primary-hover);
}

.btn-secondary {
  background: #ffffff;
  color: var(--text-main);
  padding: 13px 22px;
  border-radius: 8px;
  font-weight: 600;
  border: 1px solid #cbd5e1;
  cursor: pointer;
  font-size: 0.95rem;
}

.trust-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.trust-metrics strong {
  display: block;
  font-size: 0.95rem;
}

.trust-metrics span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* SIMULATOR CARD */
.sim-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.sim-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}

.sim-tag {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.8px;
}

.sim-status {
  background: #ecfdf5;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
}

.slider-group {
  margin-bottom: 18px;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  margin-bottom: 6px;
}

.slider-group input[type="range"] {
  width: 100%;
  accent-color: var(--primary);
  cursor: pointer;
}

.sim-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 22px 0;
}

.result-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  padding: 12px;
  border-radius: 10px;
  text-align: center;
}

.highlight-box {
  background: #eff6ff;
  border-color: #93c5fd;
}

.res-label {
  display: block;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.res-value {
  font-size: 1.15rem;
  color: var(--text-main);
}

.sim-footer-actions {
  display: flex;
  gap: 10px;
}

.btn-outline-sm, .btn-pro-sm {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.84rem;
  cursor: pointer;
}

.btn-outline-sm {
  background: #fff;
  border: 1px solid #cbd5e1;
}

.btn-pro-sm {
  background: var(--bg-dark);
  color: #fff;
  border: none;
}

/* SECTIONS & CARDS */
.section {
  padding: 72px 0;
}

.section-alt {
  background: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.section-header p {
  color: var(--text-muted);
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.pillar-icon {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.pillar-card h3 {
  font-size: 1.35rem;
  margin-bottom: 8px;
}

.pillar-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 18px;
}

.tool-links {
  list-style: none;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.tool-links li {
  margin-bottom: 10px;
}

.tool-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.92rem;
}

.tool-links a:hover {
  color: var(--primary);
}

/* ARTICLES */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.article-card {
  background: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-cat {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent);
}

.article-card h3 {
  font-size: 1.15rem;
  margin: 10px 0 12px;
}

.article-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.read-more {
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.88rem;
}

/* NEWSLETTER */
.newsletter-box {
  background: var(--bg-dark);
  color: #fff;
  padding: 48px;
  border-radius: 16px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
}

.newsletter-copy h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}

.newsletter-copy p {
  color: #cbd5e1;
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 13px 16px;
  border-radius: 8px;
  border: none;
  font-size: 0.95rem;
}

.newsletter-feedback {
  margin-top: 12px;
  color: #34d399;
  font-weight: 600;
}

/* MODAL (LOGIN & PRO UPGRADE) */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: #fff;
  max-width: 440px;
  width: 100%;
  border-radius: 16px;
  padding: 32px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-muted);
}

.btn-google {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #cbd5e1;
  background: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  margin: 16px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-google:hover {
  background: #f8fafc;
}

.site-footer {
  background: var(--bg-dark);
  color: #94a3b8;
  padding: 40px 0;
  font-size: 0.88rem;
  text-align: center;
}

@media (max-width: 900px) {
  .hero-grid, .pillar-grid, .article-grid {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
  }
  .newsletter-form {
    flex-direction: column;
  }
}