/* ===== Guide Hero ===== */
.guide-hero {
  background: linear-gradient(135deg, var(--navy-blue) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 6rem 2rem;
  text-align: center;
}

.guide-hero h1 {
  max-width: 700px;
  margin: 0 auto 1.5rem;
}

.guide-hero__subtitle {
  font-size: var(--fs-xl);
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
  margin: 0 auto;
  line-height: var(--lh-base);
}

/* ===== Guide Sections ===== */
.guide-section {
  padding: 4rem 0;
}

.guide-section--light {
  background: var(--light-gray);
}

.guide-section h2 {
  margin: 0 0 0.5rem;
  color: var(--navy-blue);
}

.guide-section__intro {
  color: var(--text-muted);
  font-size: var(--fs-md);
  margin: 0 0 2rem;
  max-width: 700px;
  line-height: var(--lh-base);
}

.guide-section__intro a {
  color: var(--profit-green);
  font-weight: var(--fw-semibold);
}

/* ===== Prerequisites Grid ===== */
.prereq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.prereq-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.prereq-card__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.prereq-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy-blue);
  font-size: var(--fs-lg);
}

.prereq-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
}

.prereq-card a {
  color: var(--profit-green);
  font-weight: var(--fw-semibold);
}

/* ===== Download Buttons ===== */
.download-buttons {
  display: flex;
  gap: 0.75rem;
  margin: 1rem 0;
}

.download-buttons .btn {
  text-decoration: none;
}

/* ===== Installation Steps ===== */
.install-step {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
}

.install-step:last-child {
  margin-bottom: 0;
}

.install-step__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--profit-green);
  color: var(--white);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  display: flex;
  align-items: center;
  justify-content: center;
}

.install-step__content {
  flex: 1;
}

.install-step__content h3 {
  margin: 0.25rem 0 0.5rem;
  color: var(--navy-blue);
  font-size: var(--fs-lg);
}

.install-step__content p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  line-height: var(--lh-base);
}

.install-step__note {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  opacity: 0.8;
}

.install-step__list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== Code Blocks ===== */
.code-block {
  background: var(--navy-blue);
  color: var(--profit-green);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.code-block code {
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: var(--fs-sm);
  white-space: pre;
  line-height: 1.6;
}

.inline-code {
  background: rgba(0, 200, 83, 0.1);
  color: var(--navy-blue);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.9em;
}

/* ===== How It Works Grid ===== */
.how-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.how-card {
  background: var(--light-gray);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.how-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy-blue);
  font-size: var(--fs-md);
}

.how-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
}

/* ===== Storage Grid ===== */
.storage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.storage-item {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.storage-item strong {
  display: block;
  color: var(--navy-blue);
  margin-bottom: 0.5rem;
}

.storage-item p {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
  line-height: var(--lh-base);
}

/* ===== CTA Section ===== */
.guide-cta {
  background: linear-gradient(135deg, var(--navy-blue) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 4rem 2rem;
  text-align: center;
}

.guide-cta h2 {
  margin: 0 0 1rem;
}

.guide-cta p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 580px;
  margin: 0 auto 2rem;
  line-height: var(--lh-base);
}

/* ===== Trial Registration Form ===== */
.trial-form {
  max-width: 540px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.trial-form h2 {
  margin: 0 0 0.5rem;
  color: var(--navy-blue);
}

.trial-form__subtitle {
  color: var(--text-muted);
  font-size: var(--fs-md);
  margin: 0 0 1.5rem;
  line-height: var(--lh-base);
}

.trial-form__fields {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
  text-align: left;
}

.trial-form__group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--navy-blue);
  margin-bottom: 0.375rem;
}

.trial-form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--fs-base);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}

.trial-form__input:focus {
  border-color: var(--profit-green);
  outline: none;
}

.trial-form__input::placeholder {
  color: #aaa;
}

.trial-form__submit {
  width: 100%;
  margin-bottom: 0.75rem;
}

.trial-form__submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.trial-form__error {
  display: none;
  color: var(--danger);
  font-size: var(--fs-sm);
  margin-top: 0.5rem;
}

.trial-form__note {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  margin: 0.75rem 0 0;
  opacity: 0.8;
}

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .guide-hero {
    padding: 7rem 2rem 4rem;
  }

  .guide-hero__subtitle {
    font-size: var(--fs-md);
  }

  .install-step {
    flex-direction: column;
    gap: 0.75rem;
  }

  .install-step__number {
    width: 40px;
    height: 40px;
    font-size: var(--fs-lg);
  }
}