/* Manual Digital — cursodigital.digital */
:root {
  --teal: #0D9488;
  --teal-dark: #134E4A;
  --teal-light: #F0FDFA;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-400: #9CA3AF;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --white: #FFFFFF;
  --shadow-sm: 0 1px 3px rgba(19, 78, 74, 0.08);
  --shadow-md: 0 4px 16px rgba(19, 78, 74, 0.1);
  --shadow-lg: 0 8px 32px rgba(19, 78, 74, 0.12);
  --radius: 12px;
  --max-width: 1120px;
  --reading-width: 680px;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--gray-50);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; height: auto; }

a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--teal-dark); }

/* Header — minimal */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--teal-dark);
  letter-spacing: -0.02em;
}
.logo span { color: var(--teal); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--teal-dark);
}
.nav-toggle svg { width: 24px; height: 24px; }

.main-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.main-nav a {
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
}
.main-nav a:hover,
.main-nav a.active { color: var(--teal-dark); }

/* Hero */
.hero {
  background: var(--teal-light);
  padding: 3.5rem 1.5rem;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--teal-dark);
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.03em;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.hero-visual img,
.hero-visual svg { border-radius: var(--radius); box-shadow: var(--shadow-lg); }

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: var(--teal);
  color: var(--white);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s;
}
.btn:hover { background: var(--teal-dark); color: var(--white); }

.btn-outline {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}
.btn-outline:hover { background: var(--teal); color: var(--white); }

/* Layout sections */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.section-header {
  margin-bottom: 2.5rem;
}

.section-header h2 {
  font-size: 1.5rem;
  color: var(--teal-dark);
  margin-bottom: 0.5rem;
}

.section-header p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* Cards — shadowed */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-thumb {
  aspect-ratio: 16/9;
  background: var(--teal-light);
  overflow: hidden;
}
.card-thumb img, .card-thumb svg { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 1.5rem; }

.card-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--teal);
  margin-bottom: 0.5rem;
}

.card-body h3 {
  font-size: 1.15rem;
  color: var(--teal-dark);
  margin-bottom: 0.75rem;
  line-height: 1.35;
}

.card-body h3 a { color: inherit; }
.card-body h3 a:hover { color: var(--teal); }

.card-excerpt {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--gray-400);
}

.card-meta img, .card-meta svg {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

/* Featured layout — mixed magazine */
.featured-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.featured-main .card { height: 100%; }
.featured-main .card-thumb { aspect-ratio: 16/10; }
.featured-main .card-body h3 { font-size: 1.4rem; }

.featured-side {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.featured-side .card {
  display: grid;
  grid-template-columns: 120px 1fr;
}
.featured-side .card-thumb { aspect-ratio: 1; }

/* Article reading — minimalist */
.article-header {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 1.5rem;
  text-align: center;
}

.article-header .card-tag { margin-bottom: 1rem; }

.article-header h1 {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: var(--teal-dark);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--gray-400);
  flex-wrap: wrap;
}

.article-meta .author-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.article-meta img, .article-meta svg {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.article-content {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--gray-800);
}

.article-content h2 {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  color: var(--teal-dark);
  margin: 2.5rem 0 1rem;
}

.article-content h3 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--teal-dark);
  margin: 2rem 0 0.75rem;
}

.article-content p { margin-bottom: 1.25rem; }

.article-content ul, .article-content ol {
  margin: 0 0 1.25rem 1.5rem;
}
.article-content li { margin-bottom: 0.5rem; }

.article-content blockquote {
  border-left: 4px solid var(--teal);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--teal-light);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--gray-600);
}

/* Page content */
.page-header {
  background: var(--teal-light);
  padding: 3rem 1.5rem;
  text-align: center;
}

.page-header h1 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--teal-dark);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--gray-600);
  max-width: 560px;
  margin: 0 auto;
}

.page-content {
  max-width: var(--reading-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.page-content h2 {
  font-size: 1.2rem;
  color: var(--teal-dark);
  margin: 2rem 0 0.75rem;
}

.page-content p { margin-bottom: 1rem; color: var(--gray-600); }
.page-content ul, .page-content ol { margin: 0 0 1rem 1.5rem; color: var(--gray-600); }
.page-content li { margin-bottom: 0.4rem; }

/* Contact form */
.contact-form {
  max-width: 520px;
  margin: 0 auto;
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--white);
  transition: border-color 0.2s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--teal);
}

.form-group textarea { min-height: 140px; resize: vertical; }

/* Newsletter strip */
.newsletter {
  background: var(--teal-dark);
  color: var(--white);
  padding: 3rem 1.5rem;
  text-align: center;
}

.newsletter h2 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.newsletter p { opacity: 0.85; margin-bottom: 1.5rem; font-size: 0.95rem; }
.newsletter a { color: var(--teal-light); font-weight: 600; }

/* Footer */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 3rem 1.5rem 2rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-brand .logo { margin-bottom: 0.75rem; display: inline-block; }
.footer-brand p { font-size: 0.85rem; color: var(--gray-600); line-height: 1.6; }

.footer-col h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal-dark);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { font-size: 0.85rem; color: var(--gray-600); }
.footer-col a:hover { color: var(--teal); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* Cookie notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
  padding: 1.25rem 1.5rem;
  z-index: 200;
  transform: translateY(100%);
  transition: transform 0.35s ease;
}
.cookie-notice.visible { transform: translateY(0); }

.cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-inner p {
  font-size: 0.85rem;
  color: var(--gray-600);
  flex: 1;
  min-width: 240px;
}

.cookie-actions { display: flex; gap: 0.75rem; }

.cookie-actions button {
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s;
}

.cookie-accept { background: var(--teal); color: var(--white); }
.cookie-accept:hover { background: var(--teal-dark); }

.cookie-decline {
  background: var(--gray-100);
  color: var(--gray-600);
}
.cookie-decline:hover { background: var(--gray-200); }

/* Breadcrumb */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem 0;
  font-size: 0.8rem;
  color: var(--gray-400);
}
.breadcrumb a { color: var(--gray-600); }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }
  .main-nav li { border-bottom: 1px solid var(--gray-100); }
  .main-nav a { display: block; padding: 0.75rem 1.5rem; }

  .hero-inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero-visual { order: -1; }

  .featured-row { grid-template-columns: 1fr; }
  .featured-side .card { grid-template-columns: 1fr; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}