:root {
  --color-primary: #1c7a3e;
  --color-primary-dark: #145c2e;
  --color-primary-light: #e7f5ec;
  --color-gold: #f0a500;
  --color-gold-dark: #c98600;
  --color-flame: #d21f1f;
  --color-ink: #14181c;
  --color-body: #47504a;
  --color-muted: #6b7570;
  --color-border: #e2e8e4;
  --color-surface: #ffffff;
  --color-surface-alt: #f7faf8;
  --color-danger: #d92d20;
  --color-success: #16794f;
  --color-warning: #b54708;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(20, 24, 28, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 24, 28, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 24, 28, 0.14);
}

* {
  box-sizing: border-box;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

legend {
  border: 0;
  padding: 0;
  display: block;
  width: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
}

p {
  margin: 0;
}

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

img {
  display: block;
}

button {
  font-family: inherit;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-gold {
  background: var(--color-gold);
  color: var(--color-ink);
}

.btn-gold:hover {
  background: var(--color-gold-dark);
  color: #fff;
}

/* Site header / nav (marketing pages) */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  height: 44px;
  width: 44px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 50%;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  min-width: 0;
}

.brand-text strong {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.brand-text span {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--color-body);
  font-size: 15px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

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

.nav-links a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-gold);
}

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

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
}

/* Footer */

.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.72);
  padding: 48px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.footer-brand img {
  height: 42px;
  width: 42px;
  object-fit: contain;
  border-radius: 50%;
  flex-shrink: 0;
}

.footer-brand h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 6px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h5 {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  transition: color 0.15s ease;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 22px;
  font-size: 13px;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
}

/* Toast (shared by app pages) */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-ink);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 300;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast.error {
  background: var(--color-danger);
}

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

/* Responsive nav */

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 24px 20px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    width: 100%;
    padding: 10px 0;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  .container {
    padding: 0 16px;
  }

  .brand-logo {
    height: 36px;
    width: 36px;
  }

  .brand-text strong {
    font-size: 14px;
  }

  .brand-text span {
    font-size: 10.5px;
  }

  .btn {
    padding: 12px 18px;
    font-size: 14px;
  }
}