/* ── SHARED DESIGN SYSTEM — pedropizarrodiaz.it ──
   Extracted from index.html for use across all site pages.
   index.html continues to use its embedded CSS (no breakage).
   ──────────────────────────────────────────────── */

/* ── DESIGN TOKENS ── */
:root {
  --bg: #1A0A2E;
  --surface: #26143E;
  --surface2: #301850;
  --border: rgba(0, 229, 204, 0.15);
  --accent: #00E5CC;
  --accent2: #FF61D2;
  --accent3: #7B2FFF;
  --text: #F0EBF8;
  --muted: #8A7AAA;
  --muted2: #6A5A8A;
}

/* ── RESET ── */
* { margin: 0; padding: 0; box-sizing: border-box; }

/* ── BASE ── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
  padding-top: 76px;
}

/* ── NOISE TEXTURE ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

/* ── BACKGROUND GRADIENT MESH ── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.bg-mesh::before {
  content: '';
  position: absolute;
  top: -10%; left: -10%;
  width: 65%; height: 75%;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(123,47,255,0.28) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 20%, rgba(0,229,204,0.16) 0%, transparent 50%);
  filter: blur(70px);
  animation: meshDrift1 20s ease-in-out infinite;
}
.bg-mesh::after {
  content: '';
  position: absolute;
  bottom: -15%; right: -10%;
  width: 60%; height: 70%;
  background:
    radial-gradient(ellipse at 60% 70%, rgba(255,97,210,0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 20% 80%, rgba(123,47,255,0.18) 0%, transparent 50%);
  filter: blur(70px);
  animation: meshDrift2 25s ease-in-out infinite;
}

/* ── CONTAINER ── */
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 64px);
  position: relative;
  z-index: 1;
}

/* ── STICKY NAV ── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26,10,46,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

nav {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}
.nav-links a {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); border-bottom-color: var(--text); }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #0a0a0a;
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,229,204,0.30); }

.btn-secondary {
  font-family: 'DM Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid rgba(0,229,204,0.4);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.btn-secondary:hover { color: var(--text); border-color: var(--text); }

/* ── SECTION ── */
.section {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type { border-bottom: none; }

.section-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  font-weight: 400;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 48px;
}

/* ── TAGS & PILLS ── */
.tag {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 2px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pill {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 4px 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.pill.accent-pill {
  color: var(--accent);
  border-color: rgba(0,229,204,0.3);
}

/* ── CARD ── */
.card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
  padding: 32px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.14);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.08);
}

/* ── METRIC ROW ── */
.metric-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: rgba(0,229,204,0.03);
  border: 1px solid rgba(0,229,204,0.08);
  border-radius: 2px;
}
.metric-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 80px;
}
.metric-desc {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
  line-height: 1.5;
  padding-top: 4px;
}

/* ── PAGE HERO ── */
.page-hero {
  padding: 56px 0 48px;
}
.page-hero-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.page-hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.page-hero-title .accent { color: var(--accent); }
.page-hero-subtitle {
  font-size: 18px;
  color: var(--muted);
  font-weight: 300;
  max-width: 640px;
  line-height: 1.65;
}

/* ── PROSE (blog/case study body text) ── */
.prose {
  max-width: 760px;
}
.prose h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  margin: 48px 0 16px;
  line-height: 1.2;
}
.prose h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text);
}
.prose p {
  font-size: 16px;
  line-height: 1.8;
  color: #c8c0d8;
  margin-bottom: 20px;
  font-weight: 300;
}
.prose strong { color: var(--text); font-weight: 500; }
.prose ul, .prose ol {
  margin: 0 0 20px 0;
  padding-left: 0;
  list-style: none;
}
.prose ul li, .prose ol li {
  font-size: 16px;
  line-height: 1.7;
  color: #c8c0d8;
  padding-left: 20px;
  position: relative;
  margin-bottom: 10px;
}
.prose ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--muted2);
  font-size: 12px;
}
.prose ol { counter-reset: ol-counter; }
.prose ol li { counter-increment: ol-counter; }
.prose ol li::before {
  content: counter(ol-counter) '.';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: 'DM Mono', monospace;
  font-size: 11px;
}
.prose a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,229,204,0.3);
  transition: opacity 0.2s;
}
.prose a:hover { opacity: 0.75; }
.prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 16px 24px;
  margin: 32px 0;
  background: rgba(0,229,204,0.04);
  border-radius: 0 2px 2px 0;
}
.prose blockquote p { color: var(--text); margin-bottom: 0; font-style: italic; }

/* ── STAT CALLOUT ── */
.stat-callout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2px;
  margin: 40px 0;
}
.stat-callout-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 24px 28px;
}
.stat-callout-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-callout-label {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

/* ── BLOG CARD GRID ── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2px;
}
.blog-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 32px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.blog-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-2px);
}
.blog-card-eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.blog-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text);
}
.blog-card-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  flex: 1;
}
.blog-card-meta {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--muted2);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.blog-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ── FOOTER ── */
footer {
  padding: 48px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--muted);
}
.footer-contact {
  display: flex;
  gap: 32px;
  align-items: center;
}
.footer-link {
  font-family: 'DM Mono', monospace;
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--accent); }

/* ── SCROLL PROGRESS ── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3));
  z-index: 200;
  transition: width 0.08s linear;
  pointer-events: none;
}

/* ── BACK TO TOP ── */
#back-to-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 40px; height: 40px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  border-radius: 2px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s, border-color 0.2s, color 0.2s, transform 0.2s;
  z-index: 90;
  font-family: 'DM Mono', monospace;
  text-decoration: none;
}
#back-to-top.visible { opacity: 1; pointer-events: auto; }
#back-to-top:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }

/* ── REVEAL ON SCROLL ── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.section-label.reveal {
  filter: blur(5px);
  transition: opacity 0.6s ease, transform 0.6s ease, filter 0.6s ease;
}
.section-label.reveal.visible { filter: blur(0px); }

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes meshDrift1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(3%, 4%) scale(1.04); }
}
@keyframes meshDrift2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-4%, -3%) scale(1.06); }
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }

/* ── FOCUS ── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ── RESPONSIVE: TABLET ── */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  body { padding-top: 62px; }
  nav { padding: 12px 0; }
  .nav-links {
    gap: 16px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .section { padding: 48px 0; }
  footer { flex-direction: column; align-items: flex-start; gap: 24px; }
  .footer-contact { flex-wrap: wrap; gap: 16px; }
  .blog-grid { grid-template-columns: 1fr; }
}

/* ── RESPONSIVE: MOBILE ── */
@media (max-width: 480px) {
  .container { padding: 0 12px; }
  nav { gap: 8px; }
  .section { padding: 40px 0; }
  .page-hero { padding: 40px 0 32px; }
}

/* ── PRINT ── */
@media print {
  .site-header, .scroll-progress, #back-to-top { display: none !important; }
  body { background: #fff !important; color: #111 !important; padding-top: 0 !important; }
  .container { max-width: 100%; padding: 0 16px; }
  .card { background: #fff !important; border-color: #ddd !important; }
  body::before, .bg-mesh { display: none !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ── PREFERS REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .section-label.reveal { filter: none; transition: opacity 0.55s ease, transform 0.55s ease; }
  .bg-mesh::before, .bg-mesh::after { animation: none; }
  .btn-primary, .btn-secondary { transition: none; }
}

/* ── ABOUT GRID (shared: used on about.html + homepage) ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 640px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-col-label {
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 10px;
  font-weight: 500;
}
.about-col p {
  font-size: 15px;
  line-height: 1.7;
  color: #aaaaaa;
}