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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-family);
  background: var(--color-white);
  color: var(--color-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  min-height: 48px;
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--teal {
  background: var(--color-teal);
  color: var(--color-white);
  box-shadow: var(--shadow-teal);
}

.btn--teal:hover {
  background: var(--color-teal-dark);
  box-shadow: var(--shadow-teal-hover);
}

.btn--outline {
  background: transparent;
  color: var(--color-black);
  border-color: var(--color-orange);
}

.btn--outline:hover {
  background: rgba(252, 122, 34, 0.06);
}

.btn--disabled {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.35rem;
  min-height: 48px;
  font-family: var(--font-family);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 2px solid var(--color-gray-100);
  background: var(--color-gray-50);
  color: var(--color-gray-500);
  cursor: not-allowed;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--color-gray-100);
  background: var(--color-white);
  padding: 2rem 1.25rem;
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}

.footer__tagline {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-gray-500);
  letter-spacing: -0.01em;
  max-width: 28ch;
  line-height: 1.45;
}

.footer__nap {
  font-style: normal;
  font-size: 0.84rem;
  color: var(--color-gray-500);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  max-width: 60ch;
}

.footer__nap-line strong {
  color: var(--color-gray-700, #142027);
}

.footer__nap-line a {
  color: var(--color-teal);
  text-decoration: none;
}

.footer__nap-line a:hover {
  text-decoration: underline;
}

.footer__partner {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-gray-500);
  line-height: 1.5;
  max-width: 42ch;
  padding-top: 0.5rem;
  border-top: 1px solid var(--color-gray-100);
  margin-top: 0.25rem;
}

.footer__partner a {
  display: inline-block;
  margin-top: 0.2rem;
  color: var(--color-teal);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer__partner a:hover {
  color: var(--color-orange);
}

@media (min-width: 768px) {
  .footer {
    padding: 2.5rem 1.5rem;
  }

  .footer__tagline {
    font-size: 0.95rem;
    max-width: none;
  }

  .footer__partner {
    font-size: 0.92rem;
    max-width: none;
  }

  .footer__partner a {
    margin-top: 0;
    margin-left: 0.25rem;
  }
}