/* ByoCarbono — site institucional */
:root {
  --bg: #04120c;
  --bg-2: #071a12;
  --card: rgba(10, 36, 26, 0.72);
  --line: rgba(52, 211, 153, 0.14);
  --text: #ecf5f0;
  --muted: #8faf9e;
  --accent: #34d399;
  --accent-2: #10b981;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --warn: #fbbf24;
  --font: "Instrument Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --r: 16px;
  --r-lg: 24px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --sh: 0 24px 60px rgba(0, 0, 0, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* Ambient */
.ambient { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.grid-fade {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(52, 211, 153, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52, 211, 153, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
}
.orb {
  position: absolute; border-radius: 50%; filter: blur(48px); opacity: 0.55;
}
.o1 {
  width: min(55vw, 520px); height: min(55vw, 520px);
  top: -12%; right: -8%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.35), transparent 68%);
  animation: driftA 18s ease-in-out infinite alternate;
}
.o2 {
  width: min(45vw, 420px); height: min(45vw, 420px);
  bottom: 10%; left: -10%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 68%);
  animation: driftB 22s ease-in-out infinite alternate;
}
.o3 {
  width: min(30vw, 280px); height: min(30vw, 280px);
  top: 42%; left: 40%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.12), transparent 70%);
  animation: driftA 26s ease-in-out infinite alternate-reverse;
}
@keyframes driftA { to { transform: translate(-6%, 10%) scale(1.08); } }
@keyframes driftB { to { transform: translate(8%, -6%) scale(1.1); } }

.nav, main, footer { position: relative; z-index: 1; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 0.85rem 5vw;
  backdrop-filter: blur(18px);
  background: rgba(4, 18, 12, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav.is-scrolled { box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25); }
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: conic-gradient(from 200deg, var(--accent), #38bdf8, #a78bfa, var(--accent));
  box-shadow: 0 0 28px rgba(52, 211, 153, 0.35);
  position: relative;
}
.brand-mark::after {
  content: ""; position: absolute; inset: 4px; border-radius: 9px; background: var(--bg);
}
.brand-text strong { display: block; font-size: 1rem; letter-spacing: 0.02em; }
.brand-text small { color: var(--muted); font-size: 0.72rem; }
.nav-links {
  display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap;
}
.nav-links > a:not(.btn) {
  color: var(--muted); font-size: 0.9rem; padding: 0.4rem 0.6rem; border-radius: 8px;
}
.nav-links > a:not(.btn):hover { color: var(--text); background: rgba(255,255,255,0.04); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: transparent; color: var(--text);
  width: 42px; height: 42px; border-radius: 10px; font-size: 1.1rem;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.55rem 1rem; border-radius: 999px; font-weight: 600; font-size: 0.9rem;
  border: 1px solid transparent; transition: transform 0.15s var(--ease), background 0.15s, border-color 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #042f1e; box-shadow: 0 8px 24px rgba(16, 185, 129, 0.28);
}
.btn-primary:hover { background: linear-gradient(135deg, #34d399, #10b981); }
.btn-ghost {
  background: transparent; border-color: rgba(255,255,255,0.14); color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-soft); }
.btn-lg { padding: 0.75rem 1.25rem; font-size: 0.95rem; }

/* Hero */
.hero {
  display: grid; gap: 2.5rem; align-items: center;
  padding: clamp(2.5rem, 6vw, 5rem) 5vw 3rem;
  max-width: 1200px; margin: 0 auto;
}
@media (min-width: 960px) {
  .hero { grid-template-columns: 1.15fr 0.95fr; gap: 3rem; }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin: 0 0 1rem; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5);
  animation: pulse 2s ease-out infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 10px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}
.hero h1 {
  margin: 0 0 1rem; font-size: clamp(2rem, 4.5vw, 3.15rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.12;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #ecfdf5, #6ee7b7 45%, #34d399);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead {
  margin: 0 0 1.5rem; font-size: 1.08rem; color: var(--muted); max-width: 42ch; line-height: 1.6;
}
.lead strong { color: var(--text); font-weight: 600; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.65rem; }

/* Ticker panel */
.hero-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 1.25rem 1.35rem 1.15rem;
  box-shadow: var(--sh);
  backdrop-filter: blur(12px);
}
.ticker-head {
  display: flex; align-items: center; gap: 0.65rem; margin-bottom: 1rem;
}
.live-badge {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.2rem 0.5rem; border-radius: 999px;
  background: rgba(52, 211, 153, 0.15); color: var(--accent);
  border: 1px solid rgba(52, 211, 153, 0.3);
}
.ticker-label { font-size: 0.82rem; color: var(--muted); }
.ticker-stage {
  min-height: 9.5rem;
  position: relative;
}
.ticker-slide {
  position: absolute; inset: 0;
  opacity: 0; transform: translateY(10px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  pointer-events: none;
}
.ticker-slide.is-active {
  opacity: 1; transform: none; pointer-events: auto;
}
.ticker-value {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, #f0fdf4, #6ee7b7 50%, #34d399);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.ticker-name {
  margin: 0.55rem 0 0.3rem; font-size: 1.15rem; font-weight: 700;
}
.ticker-desc { margin: 0; font-size: 0.92rem; color: var(--muted); line-height: 1.45; max-width: 32ch; }
.ticker-dots { display: flex; gap: 0.4rem; margin: 1rem 0 1.15rem; }
.ticker-dot {
  width: 8px; height: 8px; border-radius: 999px; border: none; padding: 0;
  background: rgba(255,255,255,0.16); cursor: pointer; transition: width 0.2s, background 0.2s;
}
.ticker-dot.is-on { width: 22px; background: var(--accent); }
.mini-stats {
  list-style: none; margin: 0; padding: 0.9rem 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem;
  border-top: 1px solid var(--line);
}
.mini-stats li { text-align: center; }
.mini-stats strong {
  display: block; font-size: 1.05rem; font-weight: 700; font-variant-numeric: tabular-nums; color: #ecfdf5;
}
.mini-stats span { font-size: 0.68rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
@media (max-width: 520px) {
  .mini-stats { grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
}

/* Strip */
.strip {
  border-block: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
  overflow: hidden; padding: 0.85rem 0; margin: 1rem 0 0;
}
.strip-track {
  display: flex; gap: 1.5rem; white-space: nowrap;
  width: max-content;
  animation: marquee 32s linear infinite;
  font-size: 0.88rem; font-weight: 600; color: var(--muted);
  letter-spacing: 0.02em;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections */
.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 5vw;
  max-width: 1100px; margin: 0 auto;
}
.section-alt {
  max-width: none;
  background: linear-gradient(180deg, rgba(7, 26, 18, 0.9), rgba(4, 18, 12, 0.4));
  border-block: 1px solid var(--line);
}
.section-alt > * {
  max-width: 1100px; margin-left: auto; margin-right: auto;
  padding-left: 5vw; padding-right: 5vw;
}
.section-alt .section-head,
.section-alt .path-grid,
.section-alt .veritas-split {
  padding-left: 0; padding-right: 0;
}
.section-head { margin-bottom: 2rem; max-width: 40rem; }
.section-head h2 {
  margin: 0 0 0.65rem; font-size: clamp(1.55rem, 3vw, 2.1rem);
  letter-spacing: -0.02em; line-height: 1.2;
}
.section-sub { margin: 0; color: var(--muted); font-size: 1.02rem; }

/* Metrics */
.metric-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.metric-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r); padding: 1.35rem 1.25rem;
  transition: border-color 0.2s, transform 0.2s var(--ease);
}
.metric-card:hover {
  border-color: rgba(52, 211, 153, 0.35);
  transform: translateY(-3px);
}
.metric-value {
  font-size: 2.4rem; font-weight: 700; letter-spacing: -0.03em;
  color: var(--accent); font-variant-numeric: tabular-nums; margin-bottom: 0.4rem;
}
.metric-card h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.metric-card p { margin: 0; font-size: 0.9rem; color: var(--muted); }

/* Pathways */
.path-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.path-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.5rem 1.35rem;
  transition: transform 0.2s var(--ease), border-color 0.2s, box-shadow 0.2s;
}
.path-card:hover {
  transform: translateY(-4px);
  border-color: rgba(52, 211, 153, 0.4);
  box-shadow: var(--sh);
}
.path-icon {
  width: 2.5rem; height: 2.5rem; border-radius: 12px;
  display: grid; place-items: center;
  font-weight: 700; color: #042f1e;
  background: linear-gradient(145deg, #6ee7b7, #10b981);
  margin-bottom: 1rem;
}
.path-card h3 { margin: 0 0 0.35rem; font-size: 1.2rem; }
.path-flow {
  margin: 0 0 0.75rem; font-family: var(--mono); font-size: 0.75rem;
  color: var(--accent); letter-spacing: -0.01em;
}
.path-card > p:not(.path-flow) { margin: 0 0 0.85rem; color: var(--muted); font-size: 0.92rem; }
.path-card ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: 0.88rem; }
.path-card li { margin-bottom: 0.25rem; }

/* Timeline */
.timeline {
  list-style: none; margin: 0; padding: 0;
  border-left: 2px solid rgba(52, 211, 153, 0.25);
}
.timeline li {
  display: grid; grid-template-columns: 7rem 1fr; gap: 1rem;
  padding: 0 0 1.75rem 1.25rem; position: relative;
}
.timeline li::before {
  content: ""; position: absolute; left: -7px; top: 0.35rem;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.15);
}
.tl-year {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent); padding-top: 0.15rem;
}
.timeline h3 { margin: 0 0 0.35rem; font-size: 1.08rem; }
.timeline p { margin: 0; color: var(--muted); font-size: 0.95rem; }
@media (max-width: 560px) {
  .timeline li { grid-template-columns: 1fr; gap: 0.35rem; }
}

/* Veritas split */
.veritas-split {
  display: grid; gap: 2.5rem; align-items: center;
}
@media (min-width: 900px) {
  .veritas-split { grid-template-columns: 1.1fr 0.9fr; }
}
.check-list {
  list-style: none; margin: 0 0 1.5rem; padding: 0;
}
.check-list li {
  position: relative; padding: 0.4rem 0 0.4rem 1.6rem;
  color: var(--muted); font-size: 0.98rem;
}
.check-list li::before {
  content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700;
}
.veritas-card {
  background: linear-gradient(160deg, #0c241a, #07150f);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--sh);
}
.vc-top {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.25);
}
.vc-dot { width: 9px; height: 9px; border-radius: 50%; background: #334155; }
.vc-dot:nth-child(1) { background: #f87171; }
.vc-dot:nth-child(2) { background: #fbbf24; }
.vc-dot:nth-child(3) { background: #34d399; }
.vc-title { margin-left: 0.5rem; font-size: 0.78rem; color: var(--muted); font-family: var(--mono); }
.vc-body { padding: 1.25rem 1.15rem 1.35rem; }
.vc-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.55rem 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  font-size: 0.92rem; color: var(--muted);
}
.vc-row b { color: var(--text); font-variant-numeric: tabular-nums; }
.vc-row b.ok { color: var(--accent); }
.vc-bar {
  margin-top: 1rem; height: 8px; border-radius: 999px;
  background: rgba(255,255,255,0.08); overflow: hidden;
}
.vc-bar i {
  display: block; height: 100%; width: var(--w);
  background: linear-gradient(90deg, #059669, #34d399);
  border-radius: inherit;
  animation: barFill 1.4s var(--ease) both;
}
@keyframes barFill { from { width: 0; } }
.vc-caption { margin: 0.75rem 0 0; font-size: 0.8rem; color: var(--muted); }

/* Trust */
.trust-grid {
  display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.trust-card {
  padding: 1.35rem; border-radius: var(--r);
  border: 1px solid var(--line); background: var(--card);
}
.trust-card h3 { margin: 0 0 0.45rem; font-size: 1.05rem; }
.trust-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* CTA */
.cta {
  margin: 2rem 5vw 4rem; padding: 2.5rem 5vw;
  max-width: 900px; margin-left: auto; margin-right: auto;
  text-align: center;
  border-radius: var(--r-lg);
  border: 1px solid rgba(52, 211, 153, 0.25);
  background:
    radial-gradient(ellipse 80% 80% at 50% 0%, rgba(16, 185, 129, 0.18), transparent 60%),
    var(--card);
}
.cta h2 { margin: 0 0 0.5rem; font-size: clamp(1.4rem, 3vw, 1.9rem); }
.cta > p { margin: 0 0 1.35rem; color: var(--muted); }
.cta .hero-cta { justify-content: center; }

/* Footer */
.footer {
  padding: 2rem 5vw 2.5rem;
  border-top: 1px solid var(--line);
  display: grid; gap: 1rem;
}
@media (min-width: 720px) {
  .footer {
    grid-template-columns: 1fr auto;
    align-items: start;
  }
  .footer-note { grid-column: 1 / -1; }
}
.footer-brand strong { display: block; margin-bottom: 0.25rem; }
.footer-brand span { color: var(--muted); font-size: 0.9rem; }
.footer-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.footer-links a { color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent); }
.footer-note { margin: 0.5rem 0 0; font-size: 0.78rem; color: #5f7a6c; }

/* Reveal */
.reveal {
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }
.delay-1 { transition-delay: 0.08s; }
.delay-2 { transition-delay: 0.16s; }
.delay-3 { transition-delay: 0.24s; }

/* Mobile nav */
@media (max-width: 860px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch;
    padding: 0.75rem 5vw 1rem;
    background: rgba(4, 18, 12, 0.96);
    border-bottom: 1px solid var(--line);
    gap: 0.25rem;
  }
  .nav-links.open { display: flex; }
  .nav-links .btn { width: 100%; margin-top: 0.25rem; }
}