:root {
  --bg: #0f1419;
  --bg-alt: #161d26;
  --surface: #1e2834;
  --text: #e8edf2;
  --text-muted: #9aa8b5;
  --accent: #c9a227;
  --accent-soft: rgba(201, 162, 39, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --font-serif: "Crimson Pro", Georgia, serif;
  --font-sans: "Source Sans 3", system-ui, sans-serif;
  --max: 72rem;
  --narrow: 42rem;
  --space: clamp(1rem, 2.5vw, 1.5rem);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space);
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  z-index: 100;
  border-radius: 4px;
}

.skip-link:focus {
  top: var(--space);
}

.container {
  width: min(100% - 2 * var(--space), var(--max));
  margin-inline: auto;
}

.narrow {
  max-width: var(--narrow);
}

.center {
  text-align: center;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 20, 25, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.site-mark {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--text);
}

/* Hero */
.hero {
  padding: clamp(3rem, 10vw, 6rem) 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-soft), transparent),
    var(--bg);
  border-bottom: 1px solid var(--border);
}

.hero-eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.15;
  max-width: 18ch;
}

.hero-lead {
  margin: 0 0 2rem;
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 38rem;
}

/* Sections */
.section {
  padding: clamp(3rem, 8vw, 5rem) 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section h2 {
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 600;
}

.subsection-title {
  margin: 2rem 0 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
}

.subsection-title:first-of-type {
  margin-top: 0;
}

.content-warning {
  margin: 0 0 1.5rem;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.section p {
  margin: 0 0 1rem;
}

.section-intro {
  color: var(--text-muted);
  max-width: 36rem;
  margin-bottom: 2rem !important;
}

blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 6px 6px 0;
}

blockquote p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--accent);
}

.card p {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  opacity: 0.85;
}

/* Pattern list */
.pattern-list {
  margin: 1.5rem 0 0;
  padding-left: 1.25rem;
}

.pattern-list li {
  margin-bottom: 0.5rem;
}

.pattern-list li::marker {
  color: var(--accent);
}

/* Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.principles article {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.principles h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--accent);
}

.principles p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Share */
.share-panel {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: left;
}

.share-section-label {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-align: center;
}

.share-preview {
  margin: 0 0 1rem;
  padding: 0.75rem 0.9rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  line-height: 1.5;
}

.share-url {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  align-items: center;
  margin-top: 0;
}

.share-url label {
  width: 100%;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.share-url input {
  flex: 1 1 14rem;
  min-width: 0;
  padding: 0.65rem 0.85rem;
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.share-actions {
  margin-top: 1.25rem;
  text-align: center;
}

.share-actions .button {
  width: 100%;
  max-width: 18rem;
  margin-bottom: 1rem;
}

.share-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.share-btn {
  display: inline-block;
  padding: 0.55rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.share-btn:hover,
.share-btn:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.share-btn-whatsapp:hover,
.share-btn-whatsapp:focus-visible {
  border-color: #25d366;
}

.copy-status {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--accent);
  text-align: center;
}

/* Contact */
.contact-list {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  margin-bottom: 1rem;
}

.contact-label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.contact-list a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.contact-list a:hover,
.contact-list a:focus-visible {
  text-decoration: underline;
}

.footer-contact {
  margin: 0 0 0.75rem;
}

.footer-contact a {
  color: var(--accent);
  text-decoration: none;
}

.footer-contact a:hover,
.footer-contact a:focus-visible {
  text-decoration: underline;
}

/* Articles */
.narrow-block {
  max-width: var(--narrow);
  margin-left: auto;
  margin-right: auto;
}

.article-list,
.platform-links {
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
  max-width: 36rem;
}

.article-list li,
.platform-links li {
  margin-bottom: 1rem;
  padding: 1rem 1.15rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.article-list a,
.platform-links a {
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.article-list a:hover,
.article-list a:focus-visible,
.platform-links a:hover,
.platform-links a:focus-visible {
  text-decoration: underline;
}

.article-meta {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.card a {
  color: var(--accent);
}

/* Buttons */
.button {
  display: inline-block;
  padding: 0.7rem 1.35rem;
  font: inherit;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: filter 0.15s ease;
}

.button:hover,
.button:focus-visible {
  filter: brightness(1.08);
}

.button-secondary {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: var(--surface);
  filter: none;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-inner p {
  margin: 0 0 0.75rem;
  max-width: 40rem;
}

.footer-note {
  margin-bottom: 0 !important;
  opacity: 0.7;
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-list {
    gap: 0.5rem 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}