@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  --vp: #0D2818;
  --vm: #065F46;
  --ac: #34D399;
  --ac2: #6EE7B7;
  --cr: #F5F5F0;
  --tk: #0A0A0A;
  --gray: rgba(255,255,255,.06);
  --border: rgba(52,211,153,.12);
  --border-hover: rgba(52,211,153,.35);

  --text-xs:   clamp(.75rem,  .7rem  + .2vw,  .875rem);
  --text-sm:   clamp(.875rem, .82rem + .25vw, 1rem);
  --text-base: clamp(1rem,    .92rem + .35vw, 1.125rem);
  --text-lg:   clamp(1.125rem,1rem   + .55vw, 1.375rem);
  --text-xl:   clamp(1.25rem, 1.1rem + .7vw,  1.75rem);
  --text-2xl:  clamp(1.5rem,  1.2rem + 1.4vw, 2.5rem);
  --text-3xl:  clamp(2rem,    1.5rem + 2.5vw, 4rem);
  --text-hero: clamp(2.75rem, 1.5rem + 5.5vw, 6rem);

  --space-xs:  .5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  clamp(5rem, 3rem + 5vw, 10rem);

  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --dur: 250ms;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--vp);
  color: var(--cr);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 2rem;
  transition: background var(--dur), backdrop-filter var(--dur), border-color var(--dur);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(13,40,24,.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav-logo { height: 32px; }
.nav-center {
  display: flex; gap: .25rem;
  background: rgba(255,255,255,.05);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: .3rem;
}
.nav-pill {
  padding: .4rem 1.1rem;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600;
  transition: all var(--dur);
  white-space: nowrap;
}
.nav-pill:hover { color: var(--ac); }
.nav-pill.active {
  background: var(--ac);
  color: var(--vp);
}
.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-link {
  font-size: var(--text-xs);
  font-weight: 500;
  opacity: .6;
  transition: opacity var(--dur);
}
.nav-link:hover { opacity: 1; }
.nav-cta {
  background: var(--ac);
  color: var(--vp);
  padding: .55rem 1.35rem;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 700;
  transition: all var(--dur) var(--ease-out);
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(52,211,153,.3);
}

/* ── SECTION WRAPPERS ── */
.section { padding: var(--space-xl) 2rem; }
.section-inner { max-width: 1120px; margin: 0 auto; }
.section-tag {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: var(--text-xs); font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--ac); margin-bottom: 1.25rem;
}
.section-tag::before {
  content: ''; width: 18px; height: 2px;
  background: var(--ac); border-radius: 1px;
}
h1,h2,h3 { letter-spacing: -0.02em; line-height: 1.1; }
h2 { font-size: var(--text-3xl); font-weight: 700; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .9rem 2rem; border-radius: 100px;
  font-size: var(--text-sm); font-weight: 700;
  transition: all var(--dur) var(--ease-out);
  border: none; white-space: nowrap;
}
.btn-primary { background: var(--ac); color: var(--vp); }
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(52,211,153,.3);
}
.btn-outline {
  background: transparent;
  color: var(--cr);
  border: 1px solid rgba(255,255,255,.2);
}
.btn-outline:hover { border-color: var(--ac); color: var(--ac); }
.btn svg { transition: transform var(--dur); }
.btn:hover svg { transform: translateX(3px); }

/* ── CARDS ── */
.card {
  background: var(--gray);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  transition: all var(--dur) var(--ease-out);
}
.card:hover { border-color: var(--border-hover); }

/* ── BADGE ── */
.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  background: rgba(52,211,153,.1);
  border: 1px solid rgba(52,211,153,.25);
  color: var(--ac);
  padding: .35rem .9rem;
  border-radius: 100px;
  font-size: var(--text-xs);
  font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ac);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:.4; transform:scale(1.5); }
}

/* ── REVEAL ── */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity .65s var(--ease-out), transform .65s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center; gap: 2rem;
}
.footer-logo { height: 26px; }
.footer-links {
  display: flex; gap: 2rem; justify-content: center;
  list-style: none; font-size: var(--text-xs); opacity: .7;
}
.footer-links a:hover { opacity: 1; color: var(--ac); }
.footer-copy { font-size: var(--text-xs); opacity: .68; text-align: right; }

@media (max-width: 768px) {
  .nav-center { display: none; }
  .nav { padding: 1rem 1.25rem; }
  .section { padding: var(--space-lg) 1.25rem; }
  .footer { grid-template-columns: 1fr; text-align: center; gap: 1rem; }
  .footer-copy { text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; }
  /* Con una sola columna el texto se centra pero la marca no: es un
     bloque y se queda pegada a la izquierda. */
  .footer-mark { margin-inline: auto; }
}