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

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
  background-color: #ffffff;
  line-height: 1.5;
}

a {
  color: #1d4ed8;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.tt-container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* HEADER */

.tt-header {
  border-bottom: 1px solid #e5e7eb;
  background-color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 20;
}

.tt-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.tt-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.1rem;
}

.tt-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  background-color: #1d4ed8;
  color: #ffffff;
  font-size: 0.9rem;
}

.tt-logo-text {
  letter-spacing: 0.02em;
}

.tt-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.92rem;
}

.tt-nav a {
  color: #4b5563;
  font-weight: 500;
}

.tt-nav a:hover {
  color: #1d4ed8;
}

/* HERO */

.tt-hero {
  padding: 3.5rem 0 3rem;
  background: #f9fafb;
}

.tt-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 2rem;
  align-items: center;
}

.tt-hero h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0 0 1rem;
}

.tt-hero-sub {
  margin: 0 0 1.5rem;
  color: #4b5563;
  font-size: 0.98rem;
}

.tt-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.tt-hero-footnote {
  font-size: 0.85rem;
  color: #6b7280;
}

.tt-hero-card {
  background-color: #ffffff;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  padding: 1.5rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
}

.tt-hero-card h2 {
  margin-top: 0;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.tt-hero-card ol {
  margin: 0;
  padding-left: 1.2rem;
  color: #4b5563;
  font-size: 0.95rem;
}

/* BUTTONS */

.tt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}

.tt-btn-primary {
  background-color: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
}

.tt-btn-primary:hover {
  background-color: #1e40af;
  border-color: #1e40af;
  text-decoration: none;
}

.tt-btn-outline {
  background-color: #ffffff;
  color: #1d4ed8;
  border-color: #cbd5f5;
}

.tt-btn-outline:hover {
  background-color: #eff6ff;
  text-decoration: none;
}

.tt-btn:active {
  transform: scale(0.98);
}

/* SECTIONS */

.tt-section {
  padding: 3rem 0;
}

.tt-section-alt {
  background-color: #f9fafb;
}

.tt-section h2 {
  font-size: 1.6rem;
  margin-top: 0;
  margin-bottom: 1.3rem;
}

.tt-section-intro {
  margin-top: 0;
  margin-bottom: 2rem;
  color: #4b5563;
  font-size: 0.97rem;
}

/* GRID & CARDS */

.tt-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.tt-card {
  background-color: #ffffff;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  padding: 1.3rem 1.4rem;
}

.tt-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
}

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

.tt-split {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
  gap: 2rem;
  align-items: flex-start;
}

/* LISTS */

.tt-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0 1rem;
  color: #374151;
  font-size: 0.95rem;
}

.tt-list li::before {
  content: "•";
  color: #1d4ed8;
  margin-right: 0.4rem;
}

.tt-list-small {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 0.5rem;
  font-size: 0.9rem;
  color: #4b5563;
}

.tt-list-small li + li {
  margin-top: 0.3rem;
}

/* TEXT UTILS */

.tt-highlight {
  margin-top: 0.75rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
  color: #1f2937;
  background-color: #eff6ff;
  border-radius: 0.5rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid #dbeafe;
}

.tt-note {
  font-size: 0.85rem;
  color: #6b7280;
  margin-top: 0.4rem;
}

/* TABLE */

.tt-table-wrapper {
  overflow-x: auto;
}

.tt-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.tt-table th,
.tt-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
}

.tt-table thead {
  background-color: #eff6ff;
}

.tt-table th {
  font-weight: 600;
  color: #111827;
}

/* FAQ */

.tt-faq {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.tt-faq-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

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

/* FORM */

.tt-form {
  background-color: #ffffff;
  border-radius: 0.75rem;
  border: 1px solid #e5e7eb;
  padding: 1.3rem 1.4rem;
}

.tt-form-group {
  margin-bottom: 0.85rem;
}

.tt-form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
  color: #374151;
}

.tt-form-group input,
.tt-form-group select,
.tt-form-group textarea {
  width: 100%;
  padding: 0.55rem 0.6rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  font-size: 0.9rem;
  font-family: inherit;
}

.tt-form-group input:focus,
.tt-form-group select:focus,
.tt-form-group textarea:focus {
  outline: none;
  border-color: #1d4ed8;
  box-shadow: 0 0 0 1px #1d4ed8;
}

/* FOOTER */

.tt-footer {
  border-top: 1px solid #e5e7eb;
  background-color: #ffffff;
  padding: 1.2rem 0;
  font-size: 0.85rem;
  color: #6b7280;
}

.tt-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.tt-footer-links {
  display: flex;
  gap: 0.9rem;
}

.tt-footer-links a {
  color: #6b7280;
}

.tt-footer-links a:hover {
  color: #1d4ed8;
}

/* RESPONSIVE */

@media (max-width: 900px) {
  .tt-hero-grid,
  .tt-grid-3,
  .tt-split,
  .tt-faq {
    grid-template-columns: minmax(0, 1fr);
  }

  .tt-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .tt-nav {
    font-size: 0.88rem;
  }
}

@media (max-width: 600px) {
  .tt-hero {
    padding: 2.5rem 0 2rem;
  }

  .tt-hero h1 {
    font-size: 1.7rem;
  }

  .tt-header-inner {
    padding: 0.7rem 0;
  }
}