/* ========================
   Buttons
   ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: var(--fs-base);
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-brown-dark);
  color: var(--color-cream);
}

.btn--primary:hover {
  background-color: var(--color-brown-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(92, 64, 51, 0.3);
}

.btn--outline {
  border: 2px solid var(--color-brown-dark);
  color: var(--color-brown-dark);
  background: transparent;
}

.btn--outline:hover {
  background-color: var(--color-brown-dark);
  color: var(--color-cream);
}

.btn--lg {
  padding: 0.875rem 2rem;
  font-size: var(--fs-lg);
}

.btn--full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ========================
   Header / Navigation
   ======================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: background-color var(--transition), box-shadow var(--transition);
}

.header--scrolled {
  background-color: var(--color-cream);
  box-shadow: var(--shadow-header);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-brown-dark);
}

.nav__list {
  display: flex;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-brown-medium);
  transition: color var(--transition);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-gold);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-brown-dark);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.header__cta {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-sm);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-brown-dark);
  transition: all var(--transition);
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-cream);
    padding: 5rem var(--space-lg) var(--space-lg);
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
  }

  .nav--open {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: var(--space-md);
  }

  .nav__link {
    font-size: var(--fs-lg);
  }

  .header__cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hamburger--active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger--active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger--active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* ========================
   Cards
   ======================== */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card--featured {
  border: 2px solid var(--color-gold);
  position: relative;
}

.card--featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-gold);
  color: var(--color-white);
  font-size: var(--fs-sm);
  font-weight: 600;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.card__badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: var(--space-xs);
}

.card__badge--featured {
  color: var(--color-brown-dark);
}

.card__price {
  margin-bottom: var(--space-sm);
}

.card__amount {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-brown-dark);
}

.card__period {
  font-size: var(--fs-base);
  color: var(--color-text-light);
}

.card__audience {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-beige);
}

.card__features {
  flex: 1;
  margin-bottom: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.card__features li {
  font-size: var(--fs-sm);
  padding-left: 1.5rem;
  position: relative;
}

.card__features li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: 700;
}

/* ========================
   Comparison Table
   ======================== */
.comparison {
  margin-top: var(--space-3xl);
}

.comparison__heading {
  font-family: var(--font-heading);
  font-size: var(--fs-2xl);
  color: var(--color-brown-dark);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.comparison__table {
  width: 100%;
  min-width: 600px;
  background-color: var(--color-white);
}

.comparison__table thead {
  background-color: var(--color-brown-dark);
  color: var(--color-cream);
}

.comparison__table th,
.comparison__table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  font-size: var(--fs-sm);
}

.comparison__table thead th {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--fs-sm);
}

.comparison__table tbody tr {
  border-bottom: 1px solid var(--color-beige);
}

.comparison__table tbody tr:nth-child(even) {
  background-color: var(--color-cream);
}

.comparison__table tbody th {
  font-weight: 600;
  color: var(--color-gold);
  white-space: nowrap;
}

/* ========================
   FAQ
   ======================== */
.faq__item {
  border-bottom: 1px solid var(--color-beige);
}

.faq__question {
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-brown-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

.faq__question::after {
  content: '+';
  font-family: var(--font-body);
  font-size: var(--fs-xl);
  font-weight: 400;
  color: var(--color-gold);
  flex-shrink: 0;
  transition: transform var(--transition);
}

details[open] .faq__question::after {
  content: '\2212';
}

.faq__answer {
  padding-bottom: var(--space-md);
  color: var(--color-text-light);
  line-height: var(--lh-normal);
}

/* ========================
   Form
   ======================== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--color-brown-dark);
  margin-bottom: var(--space-xs);
}

.required {
  color: var(--color-gold);
}

.form-input {
  width: 100%;
  padding: 0.75rem var(--space-sm);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius);
  background-color: var(--color-white);
  font-size: var(--fs-base);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(198, 169, 108, 0.2);
}

.form-input--error {
  border-color: #c0392b;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row .grid--2 {
  gap: var(--space-sm);
}

.form-status {
  padding: var(--space-sm);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-sm);
}

.form-status--success {
  background-color: #d4edda;
  color: #155724;
}

.form-status--error {
  background-color: #f8d7da;
  color: #721c24;
}

/* ========================
   Factor cards
   ======================== */
.factor {
  text-align: center;
  padding: var(--space-md);
}

.factor__icon {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
  display: block;
}

.factor__title {
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-brown-dark);
  margin-bottom: var(--space-xs);
}

.factor__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-light);
}