/* ==========================================================================
   SIZE GUIDE SECTION
   ========================================================================== */

.size-guide-section {
  padding: var(--space-16) var(--space-6);
  background-color: var(--color-bg-secondary); /* Soft Beige */
  text-align: center;
  border-top: 1px solid rgba(0,0,0,0.05);
}

@media (min-width: 1024px) {
  .size-guide-section {
    padding: var(--space-20) var(--space-12);
  }
}

.size-guide-container {
  max-width: 800px;
  margin: 0 auto;
  background: #ffffff;
  border: 1px solid rgba(195, 161, 103, 0.35);
  border-radius: 16px;
  padding: 44px 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  text-align: center;
}

@media (max-width: 768px) {
  .size-guide-container {
    padding: 28px 20px;
  }
}

.size-guide-header {
  margin-bottom: var(--space-8);
  opacity: 0; /* GSAP */
  transform: translateY(20px);
  text-align: center;
}

.size-guide-title {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
  text-align: center;
}

.size-guide-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text-secondary);
  text-align: center;
}

/* Form Layout */
.size-guide-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  opacity: 0; /* GSAP */
  transform: translateY(20px);
}

@media (min-width: 768px) {
  .size-guide-form {
    flex-direction: row;
    align-items: flex-end;
    gap: var(--space-4);
  }
}

.input-group {
  display: flex;
  flex-direction: column;
  text-align: left;
  flex: 1;
}

.input-group label {
  font-family: var(--font-body);
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.size-input {
  width: 100%;
  padding: 1rem 0;
  background-color: transparent;
  border: none;
  border-bottom: 1px solid rgba(0,0,0,0.2);
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
  appearance: none;
  border-radius: 0;
}

.size-input:focus {
  border-bottom-color: var(--color-text-primary);
}

.size-input::placeholder {
  color: rgba(0,0,0,0.3);
}

.btn-group {
  flex: 0 0 auto;
}

.btn-calculate {
  padding: 1rem 2.5rem;
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary);
  border: 1px solid var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-button);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
}

@media (min-width: 768px) {
  .btn-calculate {
    width: auto;
  }
}

.btn-calculate:hover {
  background-color: #B5335B; /* Magenta */
  border-color: #B5335B;
}

/* Result Box */
.size-result {
  opacity: 0;
  transition: opacity 0.8s ease;
  padding: var(--space-8);
  border: 1px solid rgba(0,0,0,0.1);
  background-color: #ffffff;
  max-width: 400px;
  margin: 0 auto;
}

.result-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: var(--tracking-widest);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.result-value {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  color: var(--color-accent); /* Gold */
  margin: 0;
}