/* =============================================
   BOOKNANDO -- Design System & Styles
   components.css -- Cards, buttons, forms,
   testimonials, cookie banner, badges, prose,
   animations, utility/helper classes
   ============================================= */

/* ========================
   Utility classes
   ======================== */
.text-gradient-brand {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bg-gradient-hero { background: var(--gradient-hero); }
.bg-gradient-warm { background: var(--gradient-warm); }
.bg-gradient-card { background: var(--gradient-card); }
.shadow-brand { box-shadow: var(--shadow-brand); }
.shadow-card { box-shadow: var(--shadow-md); }
.shadow-card-hover { box-shadow: var(--shadow-lg); }

/* Colors */
.bg-background { background: hsl(var(--background)); }
.bg-card { background: hsl(var(--card)); }
.bg-primary { background: hsl(var(--primary)); }
.bg-primary-10 { background: hsl(var(--primary) / 0.1); }
.bg-primary-20 { background: hsl(var(--primary) / 0.2); }
.bg-secondary { background: hsl(var(--secondary)); }
.bg-muted { background: hsl(var(--muted)); }
.bg-navy { background: hsl(var(--navy)); }
.bg-warm { background: hsl(var(--warm-gray)); }

.text-foreground { color: hsl(var(--foreground)); }
.text-primary { color: hsl(var(--primary)); }
.text-primary-foreground { color: hsl(var(--primary-foreground)); }
.text-secondary-foreground { color: hsl(var(--secondary-foreground)); }
.text-muted-foreground { color: hsl(var(--muted-foreground)); }

.border-border { border-color: hsl(var(--border)); }

/* ========================
   Icon Box (standalone)
   ======================== */
.icon-box {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  background: hsl(var(--primary) / 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--primary));
  flex-shrink: 0;
}

/* ========================
   Cards
   ======================== */
.card {
  background: hsl(var(--card));
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid hsl(var(--border));
  transition: all 0.3s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.card .icon-box {
  margin-bottom: 1rem;
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
}
.card p {
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Small card variant */
.card-sm {
  background: hsl(var(--card) / 0.6);
  border-radius: 0.5rem;
  padding: 1rem;
  border: 1px solid hsl(var(--border) / 0.5);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  transition: all 0.2s;
}
.card-sm:hover {
  border-color: hsl(var(--primary) / 0.3);
  background: hsl(var(--card));
}
.card-sm .icon { color: hsl(var(--primary)); flex-shrink: 0; margin-top: 2px; }
.card-sm h3 { font-weight: 600; font-size: 0.875rem; margin-bottom: 0.25rem; color: hsl(var(--foreground)); }
.card-sm p { color: hsl(var(--muted-foreground)); font-size: 0.75rem; line-height: 1.6; }

/* Case card */
.case-card {
  display: block;
  background: hsl(var(--card));
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-md);
  transition: all 0.3s;
}
.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.case-card .case-img {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.case-card .case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.case-card:hover .case-img img {
  transform: scale(1.05);
}
.case-card .case-content {
  padding: 1.25rem;
}
.case-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: hsl(var(--primary));
  background: hsl(var(--primary) / 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-bottom: 0.75rem;
}
.case-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
  line-height: 1.3;
  transition: color 0.2s;
}
.case-card:hover h3 { color: hsl(var(--primary)); }
.case-card p {
  color: hsl(var(--muted-foreground));
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ========================
   Blog Card (variação do case-card)
   ======================== */
.blog-card-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-image {
  transform: scale(1.04);
}
.blog-card h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.5rem;
  color: hsl(var(--foreground));
  transition: color 0.2s;
}
.blog-card:hover h2 {
  color: hsl(var(--primary));
}
.blog-card h2 a {
  color: inherit;
  text-decoration: none;
}
.blog-meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin: 0.75rem 0;
}
.blog-meta time {
  font-style: italic;
}
.blog-meta .blog-author {
  font-weight: 500;
  color: hsl(var(--foreground) / 0.7);
}
.blog-meta time + .blog-author::before {
  content: '·';
  margin-right: 0.625rem;
}

/* ========================
   Article featured image
   ======================== */
.article-featured-image {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  margin-bottom: 2.5rem;
  display: block;
}

/* ========================
   Badges (hero)
   ======================== */
.hero .badge {
  display: inline-block;
  background: hsl(var(--primary) / 0.2);
  color: hsl(var(--primary-foreground));
  border: 1px solid hsl(0 0% 100% / 0.2);
  padding: 0.375rem 1rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

/* ========================
   Hero typography & buttons
   ======================== */
.hero h1 {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  color: hsl(0 0% 100%);
}
@media (min-width: 768px) { .hero h1 { font-size: 3rem; } }
@media (min-width: 1024px) { .hero h1 { font-size: 3.75rem; } }
.hero h1 .highlight {
  color: hsl(0 70% 72%);
}
.hero .hero-desc {
  font-size: 1.125rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 36rem;
  color: hsl(220 20% 85%);
}
@media (min-width: 768px) { .hero .hero-desc { font-size: 1.25rem; } }
.hero .hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
@media (min-width: 640px) {
  .hero .hero-buttons { flex-direction: row; }
}
.hero .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  box-shadow: var(--shadow-brand);
  border: none;
  cursor: pointer;
}
.hero .btn-primary:hover { background: hsl(var(--brand-dark)); }
.hero .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 2px solid hsl(0 0% 100% / 0.3);
  color: hsl(0 0% 100%);
  padding: 0.875rem 1.75rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  background: transparent;
  cursor: pointer;
}
.hero .btn-secondary:hover { background: hsl(0 0% 100% / 0.1); }

/* ========================
   Testimonials
   ======================== */
.testimonial-card {
  background: hsl(var(--card));
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid hsl(var(--border));
  text-align: left;
  display: flex;
  flex-direction: column;
}
@media (min-width: 768px) {
  .testimonial-card { padding: 1.75rem; }
}
.testimonial-card .quote-icon {
  color: hsl(var(--primary) / 0.2);
  margin-bottom: 0.75rem;
}
.testimonial-card blockquote {
  font-size: 0.9375rem;
  color: hsl(var(--foreground));
  line-height: 1.7;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}
.testimonial-card .author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.testimonial-card .author img,
.testimonial-card .author .avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 9999px;
  object-fit: cover;
}
.testimonial-card .author .avatar {
  background: hsl(var(--primary) / 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--primary));
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 1.125rem;
}
.testimonial-card .author-info { text-align: left; }
.testimonial-card .author-name { font-weight: 600; color: hsl(var(--foreground)); }
.testimonial-card .author-company { font-size: 0.875rem; color: hsl(var(--muted-foreground)); }

.testimonial-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}
.testimonial-controls .arrow {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 9999px;
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}
.testimonial-controls .arrow:hover { background: hsl(var(--secondary)); }
.testimonial-controls .dots { display: flex; gap: 0.5rem; }
.testimonial-controls .dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 9999px;
  background: hsl(var(--border));
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.testimonial-controls .dot.active {
  background: hsl(var(--primary));
  width: 1.5rem;
}

/* ========================
   Buttons (generic)
   ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  box-shadow: var(--shadow-brand);
}
.btn-primary:hover { background: hsl(var(--brand-dark)); }
.btn-secondary {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
}
.btn-secondary:hover { background: hsl(var(--secondary) / 0.8); }
.btn-outline {
  background: transparent;
  border: 1px solid hsl(var(--border));
  color: hsl(var(--foreground));
}
.btn-outline:hover { background: hsl(var(--secondary)); }
.btn-link {
  background: none;
  color: hsl(var(--primary));
  font-weight: 600;
  padding: 0;
}
.btn-link:hover { text-decoration: underline; }

/* ========================
   Form elements
   ======================== */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: hsl(var(--foreground));
  margin-bottom: 0.5rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  border-radius: 0.5rem;
  border: 1px solid hsl(var(--input));
  background: hsl(var(--background));
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  color: hsl(var(--foreground));
  transition: all 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 2px solid transparent; /* visível em High Contrast Mode */
  box-shadow: 0 0 0 2px hsl(var(--ring));
}
/* Windows High Contrast Mode */
@media (forced-colors: active) {
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    outline: 3px solid ButtonText;
    box-shadow: none;
  }
  :focus-visible {
    outline: 3px solid Highlight;
  }
}
/* Campo com erro de validação */
.form-group input[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: hsl(0 65% 45%);
  box-shadow: 0 0 0 2px hsl(0 65% 45% / 0.25);
}
.form-group textarea { resize: none; }

/* ========================
   Prose (article content)
   ======================== */
.prose {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.prose h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-top: 3rem;
  margin-bottom: 1rem;
}
.prose h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}
.prose p {
  color: hsl(var(--foreground) / 0.9);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.prose blockquote {
  border-left: 4px solid hsl(var(--primary) / 0.4);
  padding-left: 1.5rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  margin: 2rem 0;
  font-size: 1.125rem;
  font-style: italic;
  color: hsl(var(--muted-foreground));
  background: hsl(var(--primary) / 0.05);
  border-radius: 0 0.5rem 0.5rem 0;
  padding-right: 1.5rem;
}
.prose ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.prose ol {
  list-style: decimal;
  padding-left: 1.5rem;
  margin-bottom: 1.5rem;
}
.prose li {
  margin-bottom: 0.5rem;
  color: hsl(var(--foreground));
  line-height: 1.7;
}
.prose li::marker {
  color: hsl(var(--primary));
}
.prose a:not(.btn) {
  color: hsl(var(--primary));
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  font-weight: 500;
  transition: color 0.2s;
}
.prose a:not(.btn):hover {
  color: hsl(var(--brand-dark));
  text-decoration-thickness: 2px;
}
.prose strong {
  font-weight: 700;
  color: hsl(var(--foreground));
}
.prose em {
  font-style: italic;
}
.prose figure {
  margin: 2rem 0;
}
.prose figure img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.prose figcaption {
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.75rem;
  text-align: center;
  font-style: italic;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.875rem;
}
.prose table caption {
  font-weight: 700;
  font-family: var(--font-display);
  margin-bottom: 0.75rem;
  text-align: left;
  color: hsl(var(--foreground));
}
.prose table th,
.prose table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid hsl(var(--border));
}
.prose table th {
  font-weight: 600;
  color: hsl(var(--foreground));
}
.prose table tr:nth-child(even) {
  background: hsl(var(--muted));
}

/* ========================
   Breadcrumb
   ======================== */
.breadcrumb {
  padding: 1rem 0;
  background: hsl(var(--muted));
  border-bottom: 1px solid hsl(var(--border));
}
.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  list-style: none;
}
.breadcrumb ol li + li::before {
  content: '/';
  margin-right: 0.5rem;
  color: hsl(var(--muted-foreground) / 0.5);
}
.breadcrumb a {
  color: hsl(var(--primary));
  text-decoration: none;
}
.breadcrumb a:hover {
  text-decoration: underline;
}

/* ========================
   Case Detail / Tags / Meta
   ======================== */
.case-detail {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  padding: 3rem 0;
  border-bottom: 1px solid hsl(var(--border));
}
.case-detail:last-child {
  border-bottom: none;
}
.case-detail h2 {
  font-family: var(--font-display);
  font-size: 1.875rem;
  font-weight: 700;
  color: hsl(var(--foreground));
  margin-bottom: 1rem;
}
.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.case-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.case-client {
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
}

/* ========================
   Feature List (listas de recursos em páginas de serviço)
   ======================== */
.feature-list {
  list-style: none;
  margin-bottom: 2rem;
  padding-left: 0;
}
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: hsl(var(--foreground));
  font-size: 0.9375rem;
  line-height: 1.6;
}
.feature-list li::before {
  content: '';
  width: 0.4375rem;
  height: 0.4375rem;
  background: hsl(var(--primary));
  border-radius: 50%;
  margin-top: 0.5rem;
  flex-shrink: 0;
}

/* ========================
   FAQ: <details> / <summary> elegante
   ======================== */
.faq-list {
  margin-top: 2rem;
}
.faq-list details {
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  background: hsl(var(--card));
  transition: box-shadow 0.25s, border-color 0.25s;
  overflow: hidden;
}
.faq-list details:hover {
  border-color: hsl(var(--primary) / 0.3);
}
.faq-list details[open] {
  box-shadow: var(--shadow-md);
  border-color: hsl(var(--primary) / 0.25);
}
.faq-list summary {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-display);
  cursor: pointer;
  color: hsl(var(--foreground));
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  user-select: none;
  line-height: 1.4;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: '';
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='hsl(0%2065%25%2032%25)' stroke-width='2' stroke-linecap='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.faq-list details[open] summary::after {
  transform: rotate(180deg);
}
.faq-list summary:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}
.faq-list details > p,
.faq-list details > div {
  padding: 0 1.5rem 1.5rem;
  color: hsl(var(--muted-foreground));
  line-height: 1.75;
  font-size: 0.9375rem;
  border-top: 1px solid hsl(var(--border));
  margin-top: 0;
  padding-top: 1.25rem;
}

/* ========================
   CTA Block (fim de artigos)
   ======================== */
.cta-block {
  text-align: center;
  margin-top: 3rem;
  padding: 2.5rem 2rem;
  background: hsl(var(--muted));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
}
.cta-block .btn {
  font-size: 1rem;
  padding: 0.875rem 2rem;
}

/* ========================
   Author Bio Box (blog posts)
   ======================== */
.author-box {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  margin-top: 3rem;
  padding: 1.5rem;
  background: hsl(var(--muted));
  border-radius: var(--radius);
  border: 1px solid hsl(var(--border));
}
.author-box img {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 9999px;
  object-fit: cover;
  flex-shrink: 0;
}
.author-box .author-name {
  font-weight: 700;
  font-size: 1rem;
  color: hsl(var(--foreground));
  margin-bottom: 0.25rem;
}
.author-box .author-credentials {
  font-size: 0.875rem;
  line-height: 1.6;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.75rem;
}
.author-box .author-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.author-box .author-links a {
  font-size: 0.8125rem;
  font-weight: 600;
  color: hsl(var(--primary));
  text-decoration: none;
}
.author-box .author-links a:hover {
  text-decoration: underline;
}
@media (max-width: 480px) {
  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .author-box .author-links {
    justify-content: center;
  }
}

/* ========================
   Founder Grid (responsive)
   ======================== */
.founder-grid {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .founder-grid {
    grid-template-columns: 280px 1fr;
  }
}

/* ========================
   TL;DR Summary Box
   ======================== */
.tldr {
  background: hsl(var(--primary) / 0.05);
  border-left: 4px solid hsl(var(--primary));
  padding: 1rem 1.5rem;
  border-radius: 0 0.5rem 0.5rem 0;
  margin-bottom: 2rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: hsl(var(--foreground));
}
.tldr strong {
  color: hsl(var(--primary));
  font-weight: 700;
}

/* ========================
   Read More Link
   ======================== */
.read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: hsl(var(--primary));
  font-weight: 600;
  font-size: 0.875rem;
  margin-top: 0.75rem;
}
.read-more:hover {
  text-decoration: underline;
}

/* ========================
   Blog Article Meta
   ======================== */
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin-bottom: 0.5rem;
}

/* ========================
   Cookie Banner
   ======================== */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 99;
  max-width: 24rem;
}
@media (min-width: 640px) {
  .cookie-banner {
    left: auto;
    right: 1.5rem;
    bottom: 1.5rem;
  }
}
.cookie-banner .banner-inner {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  border-radius: 1rem;
  box-shadow: 0 16px 48px hsl(220 20% 14% / 0.15);
  overflow: hidden;
}

/* ========================
   Animations
   ======================== */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.animate-fade-in-up {
  animation: fade-in-up 0.6s ease-out forwards;
}
.animate-fade-in {
  animation: fade-in 0.5s ease-out forwards;
}

/* ========================
   Text helpers
   ======================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.uppercase { text-transform: uppercase; }
.tracking-wider { letter-spacing: 0.05em; }
.leading-relaxed { line-height: 1.625; }
.leading-tight { line-height: 1.15; }
.leading-snug { line-height: 1.3; }

/* Spacing */
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-10 { margin-bottom: 2.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.py-14 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

/* Display */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.shrink-0 { flex-shrink: 0; }
.hidden { display: none; }
.block { display: block; }
.w-full { width: 100%; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-5xl { max-width: 64rem; }
.rounded-xl { border-radius: var(--radius); }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 0.5rem; }
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }