/* ===== Reset & base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #1f2328;
  background-color: #ffffff;
}

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

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

h1,
h2,
h3 {
  line-height: 1.25;
  color: #111827;
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Skip link (accessibility) ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #111827;
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* ===== Header / Nav ===== */
.site-header {
  border-bottom: 1px solid #e5e7eb;
  background-color: #ffffff;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 960px;
  margin: 0 auto;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
}

.nav-brand:hover,
.nav-brand:focus {
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  cursor: pointer;
}

.nav-menu {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  color: #374151;
  font-weight: 500;
}

/* ===== Hero ===== */
.hero {
  padding: 4rem 0 3rem;
  text-align: center;
  background-color: #f9fafb;
  border-bottom: 1px solid #e5e7eb;
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.hero .tagline {
  font-size: 1.15rem;
  color: #4b5563;
  max-width: 640px;
  margin: 0 auto;
}

/* ===== Sections ===== */
.section {
  padding: 3.5rem 0;
}

.section + .section {
  border-top: 1px solid #e5e7eb;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  text-align: center;
}

.section-intro {
  max-width: 700px;
  margin: 0 auto 2rem;
  text-align: center;
  color: #4b5563;
}

/* ===== Feature grid ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1.5rem;
  background-color: #ffffff;
}

.feature-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.feature-card p {
  margin: 0;
  color: #4b5563;
  font-size: 0.95rem;
}

/* ===== Notification banner ===== */
.notification {
  margin: 0;
  padding: 0.9rem 1.5rem;
  text-align: center;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
}

.notification--success {
  background-color: #ecfdf5;
  color: #065f46;
  border-bottom-color: #a7f3d0;
}

.notification--warning {
  background-color: #fffbeb;
  color: #92400e;
  border-bottom-color: #fde68a;
}

.notification--error {
  background-color: #fef2f2;
  color: #991b1b;
  border-bottom-color: #fecaca;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

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

.btn-primary {
  background-color: #111827;
  color: #ffffff;
}

.btn-primary:hover:not(:disabled) {
  background-color: #1f2937;
}

.hero .btn {
  margin-top: 0.5rem;
}

/* ===== How it works ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  text-align: center;
  padding: 1.5rem 1rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: #111827;
  color: #ffffff;
  font-weight: 700;
  margin: 0 auto 0.75rem;
}

.step h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.step p {
  color: #4b5563;
  font-size: 0.95rem;
  margin: 0;
}

/* ===== Connect TikTok section ===== */
.connect-card {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 2rem;
  background-color: #ffffff;
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.connect-card p {
  color: #4b5563;
  margin-bottom: 1.5rem;
}

.connect-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  color: #6b7280;
}

.connect-status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background-color: #9ca3af;
  display: inline-block;
}

/* ===== Disclosure note ===== */
.disclosure {
  background-color: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  color: #4b5563;
  font-size: 0.95rem;
}

/* ===== Legal pages ===== */
.legal {
  padding: 3rem 0 4rem;
}

.legal h1 {
  font-size: 1.9rem;
  margin-bottom: 0.25rem;
}

.legal .effective-date {
  color: #6b7280;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.legal h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  color: #111827;
}

.legal p,
.legal li {
  color: #374151;
}

.legal ul {
  padding-left: 1.25rem;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid #e5e7eb;
  background-color: #f9fafb;
  padding: 2.5rem 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 1rem;
  list-style: none;
  padding: 0;
}

.footer-nav a {
  color: #374151;
}

.footer-meta {
  text-align: center;
  color: #6b7280;
  font-size: 0.875rem;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 0.5rem 1.5rem 1rem;
  }

  .nav-menu.is-open {
    display: flex;
  }

  .nav-menu li {
    padding: 0.6rem 0;
    border-bottom: 1px solid #f3f4f6;
  }

  .nav {
    position: relative;
  }

  .hero h1 {
    font-size: 1.75rem;
  }
}