/* =============================================
   mbmaciel.blog — vibe-code edition
   Space Grotesk + Plus Jakarta Sans
   ============================================= */

:root {
  /* palette */
  --bg:        #05000f;
  --surface:   #0a0518;
  --card:      rgba(255,255,255,.028);
  --card-h:    rgba(255,255,255,.055);
  --border:    rgba(255,255,255,.07);
  --border-h:  rgba(255,255,255,.14);
  --text:      #f0eeff;
  --text-2:    #9890b8;
  --text-3:    #4e4870;

  /* vivid accent palette */
  --pink:      #f72585;
  --purple:    #b5179e;
  --violet:    #7209b7;
  --blue:      #4361ee;
  --cyan:      #4cc9f0;

  /* gradients */
  --grad:      linear-gradient(135deg, #f72585 0%, #7209b7 45%, #4361ee 75%, #4cc9f0 100%);
  --grad-soft: linear-gradient(135deg, rgba(247,37,133,.15) 0%, rgba(114,9,183,.12) 50%, rgba(76,201,240,.1) 100%);
  --grad-card: linear-gradient(135deg, rgba(247,37,133,.06) 0%, rgba(67,97,238,.06) 100%);

  /* glows */
  --glow-pink:   rgba(247,37,133,.22);
  --glow-blue:   rgba(67,97,238,.2);
  --glow-cyan:   rgba(76,201,240,.18);

  /* type */
  --f-head: 'Space Grotesk', sans-serif;
  --f-body: 'Plus Jakarta Sans', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;

  /* spacing / shape */
  --r:      12px;
  --r-lg:   22px;
  --r-xl:   32px;
  --ease:   cubic-bezier(.4,0,.2,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
  --w:      1080px;
  --nav-h:  68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--f-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── AMBIENT ORBS ────────────────────────── */

.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .55;
}

.orb-1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, #f72585 0%, transparent 70%);
  top: -250px; left: -180px;
  animation: drift1 28s ease-in-out infinite;
}

.orb-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #4361ee 0%, transparent 70%);
  bottom: -200px; right: -150px;
  animation: drift2 22s ease-in-out infinite;
}

.orb-3 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, #7209b7 0%, transparent 70%);
  top: 40%; left: 35%;
  animation: drift3 35s ease-in-out infinite;
  opacity: .3;
}

.orb-4 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #4cc9f0 0%, transparent 70%);
  top: 15%; right: 10%;
  animation: drift4 18s ease-in-out infinite;
  opacity: .25;
}

@keyframes drift1 {
  0%,100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(60px,-50px) scale(1.08); }
  66%      { transform: translate(-30px,40px) scale(.94); }
}
@keyframes drift2 {
  0%,100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(-70px,-60px) scale(1.06); }
}
@keyframes drift3 {
  0%,100% { transform: translate(0,0) scale(1); }
  40%      { transform: translate(50px,30px) scale(1.1); }
  70%      { transform: translate(-40px,-20px) scale(.9); }
}
@keyframes drift4 {
  0%,100% { transform: translate(0,0); }
  50%      { transform: translate(-30px,50px); }
}

/* ── NAV ─────────────────────────────────── */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(5,0,15,.6);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 1.75rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo, .footer-logo {
  font-family: var(--f-mono);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 1px;
}

.logo-bracket { color: var(--pink); }
.logo-slash   { color: var(--cyan); }
.logo-name {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.nav-link {
  color: var(--text-2);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  padding: .375rem .8rem;
  border-radius: var(--r);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.06); }

.nav-cta {
  color: #fff;
  text-decoration: none;
  font-size: .825rem;
  font-weight: 600;
  padding: .42rem 1.1rem;
  border-radius: var(--r);
  background: var(--grad);
  background-size: 200% 200%;
  margin-left: .5rem;
  transition: transform .2s var(--spring), box-shadow .2s var(--ease);
  box-shadow: 0 0 20px rgba(247,37,133,.25);
}
.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 30px rgba(247,37,133,.45);
}

/* ── MAIN ────────────────────────────────── */

.main-content {
  position: relative;
  z-index: 1;
  padding-top: var(--nav-h);
}

/* ── HERO ────────────────────────────────── */

.hero {
  padding: 6rem 1.75rem 4rem;
  max-width: var(--w);
  margin: 0 auto;
}

.hero-inner { max-width: 660px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  background: rgba(247,37,133,.08);
  border: 1px solid rgba(247,37,133,.2);
  border-radius: 100px;
  padding: .3rem .9rem;
  font-family: var(--f-mono);
  font-size: .7rem;
  color: var(--pink);
  margin-bottom: 1.75rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 8px var(--pink);
  animation: pulse-dot 2.2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,100% { opacity: 1; box-shadow: 0 0 8px var(--pink); }
  50%      { opacity: .3; box-shadow: 0 0 2px var(--pink); }
}

.hero h1 {
  font-family: var(--f-head);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: shimmer 6s ease-in-out infinite;
}

@keyframes shimmer {
  0%,100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

.hero-desc {
  color: var(--text-2);
  font-size: 1.1rem;
  line-height: 1.75;
  max-width: 500px;
}

/* ── SECTION HEADER ──────────────────────── */

.section-header {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 1.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-label {
  font-family: var(--f-mono);
  font-size: .68rem;
  color: var(--text-3);
  letter-spacing: .12em;
  white-space: nowrap;
  text-transform: uppercase;
}

.section-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
}

/* ── CAROUSEL ────────────────────────────── */

.carousel-outer {
  position: relative;
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 3.25rem 1rem;
}

.carousel-viewport {
  overflow: hidden;
}

.articles-grid {
  display: flex;
  gap: 1.25rem;
  transition: transform .45s var(--ease);
  will-change: transform;
}

.article-card {
  flex: 0 0 calc((100% - 2 * 1.25rem) / 3);
  min-width: 0;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(calc(-50% - 1.5rem));
  z-index: 10;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-h);
  background: rgba(10,5,24,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    color       .2s var(--ease),
    border-color .2s var(--ease),
    background  .2s var(--ease),
    box-shadow  .2s var(--ease),
    transform   .2s var(--spring);
  padding: 0;
}
.carousel-btn:hover {
  color: var(--pink);
  border-color: rgba(247,37,133,.35);
  background: rgba(247,37,133,.08);
  box-shadow: 0 0 22px rgba(247,37,133,.28);
  transform: translateY(calc(-50% - 1.5rem)) scale(1.08);
}
.carousel-btn:disabled {
  opacity: .25;
  cursor: default;
  pointer-events: none;
}
.carousel-prev { left: 0; }
.carousel-next { right: 0; }

.carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .55rem;
  padding: 1.5rem 0 3.5rem;
}
.carousel-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--border-h);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .2s var(--ease), transform .2s var(--spring), box-shadow .2s var(--ease);
}
.carousel-dot.active {
  background: var(--pink);
  transform: scale(1.5);
  box-shadow: 0 0 8px var(--pink);
}

/* ── ARTICLE GRID ────────────────────────── */

.article-card {
  position: relative;
  background: var(--card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--r-xl);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: .7rem;
  overflow: hidden;
  transition:
    border-color .3s var(--ease),
    background   .3s var(--ease),
    transform    .3s var(--spring),
    box-shadow   .3s var(--ease);
}

/* Inner gradient glow (hidden by default) */
.article-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad-card);
  opacity: 0;
  border-radius: inherit;
  transition: opacity .3s var(--ease);
}

/* Top shimmer border */
.article-card::after {
  content: '';
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: var(--grad);
  opacity: 0;
  transition: opacity .3s var(--ease);
}

.article-card:hover {
  background: var(--card-h);
  border-color: var(--border-h);
  transform: translateY(-6px) scale(1.01);
  box-shadow:
    0 20px 60px rgba(0,0,0,.6),
    0 0 80px var(--glow-pink),
    inset 0 1px 0 rgba(255,255,255,.08);
}
.article-card:hover::before { opacity: 1; }
.article-card:hover::after  { opacity: 1; }

/* Card content sits above pseudo-elements */
.article-card > * { position: relative; z-index: 1; }

.card-tag {
  align-self: flex-start;
  font-family: var(--f-mono);
  font-size: .63rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  border-radius: 100px;
  padding: .2rem .65rem;
  /* tag color varies by parent hover; default = cyan tint */
  color: var(--cyan);
  background: rgba(76,201,240,.08);
  border: 1px solid rgba(76,201,240,.18);
  transition: color .2s, background .2s, border-color .2s;
}
.article-card:hover .card-tag {
  color: var(--pink);
  background: rgba(247,37,133,.1);
  border-color: rgba(247,37,133,.25);
}

.card-title {
  font-family: var(--f-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

.card-excerpt {
  flex: 1;
  font-size: .875rem;
  color: var(--text-2);
  line-height: 1.72;
}

.card-footer {
  margin-top: .3rem;
  display: flex;
  align-items: center;
}

.card-read {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-3);
  display: flex;
  align-items: center;
  gap: .4rem;
  transition: color .2s var(--ease), gap .2s var(--ease);
}
.article-card:hover .card-read {
  color: var(--pink);
  gap: .65rem;
}

/* ── SNAKE ───────────────────────────────── */

.snake-wrap {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 1.75rem 5rem;
  display: flex;
  justify-content: center;
}

.snake-svg {
  max-width: 100%;
  border-radius: var(--r-lg);
  display: block;
  filter: drop-shadow(0 0 18px rgba(76,201,240,.18));
}

/* ── READING BAR ─────────────────────────── */

.reading-bar {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  background-size: 300% 100%;
  z-index: 300;
  transition: width .1s linear;
  animation: shimmer-bar 4s linear infinite;
  box-shadow: 0 0 12px var(--glow-pink);
}
@keyframes shimmer-bar {
  0%   { background-position: 0% 0%; }
  100% { background-position: 300% 0%; }
}

/* ── ARTICLE PAGE ────────────────────────── */

.article-wrap {
  max-width: var(--w);
  margin: 0 auto;
  padding: 0 1.75rem;
}

.article-container {
  max-width: 740px;
  margin: 0 auto;
  padding: 3rem 0 6rem;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--text-3);
  text-decoration: none;
  font-size: .825rem;
  font-weight: 500;
  margin-bottom: 2.25rem;
  transition: color .2s var(--ease), gap .2s var(--ease);
}
.article-back:hover { color: var(--pink); gap: .65rem; }
.article-back svg { flex-shrink: 0; }

.article-header {
  margin-bottom: 2.75rem;
  padding-bottom: 2.75rem;
  border-bottom: 1px solid var(--border);
}

.article-tag {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: .63rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cyan);
  background: rgba(76,201,240,.08);
  border: 1px solid rgba(76,201,240,.18);
  border-radius: 100px;
  padding: .2rem .65rem;
  margin-bottom: 1.1rem;
}

.article-header h1 {
  font-family: var(--f-head);
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.22;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: shimmer 8s ease-in-out infinite;
}

/* ── ARTICLE BODY ────────────────────────── */

.article-body {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.85;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
  font-family: var(--f-head);
  font-weight: 600;
  color: var(--text);
  margin-top: 2.5rem;
  margin-bottom: .8rem;
  line-height: 1.3;
}
.article-body h2 { font-size: 1.45rem; }
.article-body h3 { font-size: 1.15rem; }

.article-body p { margin-bottom: 1.3rem; }

.article-body a {
  color: var(--pink);
  text-decoration: none;
  border-bottom: 1px solid rgba(247,37,133,.3);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.article-body a:hover { color: var(--text); border-color: rgba(255,255,255,.4); }

.article-body ul,
.article-body ol {
  margin: .75rem 0 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}
.article-body li::marker { color: var(--pink); }

.article-body strong { color: var(--text); font-weight: 600; }
.article-body em     { color: var(--text-2); font-style: italic; }

.article-body code {
  font-family: var(--f-mono);
  font-size: .85em;
  background: rgba(76,201,240,.07);
  border: 1px solid rgba(76,201,240,.15);
  border-radius: 6px;
  padding: .12em .42em;
  color: var(--cyan);
}

.article-body pre {
  background: rgba(0,0,0,.35);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.75rem 0;
}
.article-body pre code {
  background: none; border: none; padding: 0;
  color: var(--text); font-size: .9rem;
}

.article-body img {
  max-width: 100%;
  border-radius: var(--r-lg);
  border: 1px solid var(--border);
  display: block;
  margin: 1.75rem 0;
}

.article-body blockquote {
  border-left: 2px solid var(--pink);
  padding: .85rem 1.35rem;
  margin: 1.75rem 0;
  background: rgba(247,37,133,.05);
  border-radius: 0 var(--r) var(--r) 0;
  color: var(--text-2);
  font-style: italic;
}

.article-body hr {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 2.75rem 0;
}

/* Contact callout */
.contact-note {
  background: rgba(247,37,133,.06);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(247,37,133,.18);
  border-radius: var(--r-xl);
  padding: 1.5rem 1.75rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  flex-wrap: wrap;
}
.contact-note p { flex: 1; color: var(--text-2); margin: 0; font-size: .9rem; }
.contact-note a {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--grad);
  color: #fff;
  text-decoration: none;
  border: none;
  padding: .5rem 1.15rem;
  border-radius: var(--r);
  font-size: .825rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 0 24px rgba(247,37,133,.3);
  transition: transform .2s var(--spring), box-shadow .2s var(--ease);
}
.contact-note a:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 32px rgba(247,37,133,.5);
}

/* ── FOOTER ──────────────────────────────── */

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  background: rgba(5,0,15,.7);
  backdrop-filter: blur(24px);
}

.footer-inner {
  max-width: var(--w);
  margin: 0 auto;
  padding: 3rem 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-tagline { color: var(--text-3); font-size: .825rem; }

.footer-social { display: flex; gap: .65rem; margin: .2rem 0; }

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--r);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text-3);
  text-decoration: none;
  transition:
    color       .2s var(--ease),
    border-color .2s var(--ease),
    background  .2s var(--ease),
    box-shadow  .2s var(--ease),
    transform   .2s var(--spring);
}
.social-btn svg { width: 17px; height: 17px; }
.social-btn:hover {
  color: var(--pink);
  border-color: rgba(247,37,133,.3);
  background: rgba(247,37,133,.06);
  box-shadow: 0 0 20px rgba(247,37,133,.2);
  transform: translateY(-3px);
}

.footer-copy { color: var(--text-3); font-size: .75rem; }

/* ── RESPONSIVE ──────────────────────────── */

@media (max-width: 768px) {
  .nav-cta { display: none; }

  .hero { padding: 3.5rem 1.25rem 2.5rem; }

  .section-header { padding: 0 1.25rem 1.25rem; }

  .carousel-outer {
    padding: 0 1.25rem 0;
  }
  .carousel-btn { display: none; }
  .carousel-viewport {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .carousel-viewport::-webkit-scrollbar { display: none; }
  .articles-grid {
    transform: none !important;
    transition: none;
  }
  .article-card {
    flex: 0 0 85%;
    scroll-snap-align: start;
  }

  .article-wrap { padding: 0 1.25rem; }
  .widgets-row  { padding: 0 1.25rem 4rem; }
}

@media (max-width: 480px) {
  .nav-link:not(:last-of-type) { display: none; }
}