/* =========================
   Base / Tokens
========================= */

:root{
  --bg: #ffffff;            /* principal */
  --text: #0b0b0d;          /* negro (secundario) */
  --muted: #5b5f66;         /* gris terciario */
  --line: #e7e9ee;          /* borde/gris claro */
  --soft: #f6f7f9;          /* gris muy suave */
  --accent: #0b1f3a;        /* azul oscuro (contraste, no principal) */
  --accent-2: #123a6b;      /* azul complementario */
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  --radius: 18px;
  --max: 1100px;
}

*{ box-sizing: border-box; }

html, body{
  height: 100%;
}

body{
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

/* Accesibilidad */
.skip-link{
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--accent);
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 9999;
}
.skip-link:focus{ left: 10px; }

a{ color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible{
  outline: 3px solid rgba(11, 31, 58, 0.35);
  outline-offset: 3px;
  border-radius: 10px;
}

/* =========================
   Layout & Background line-art
========================= */

.page{
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 28px 18px;
}

/* Fondo perfilado sutil: SVG embebido + halo radial */
.hero{
  width: 100%;
  max-width: var(--max);
  position: relative;
  border-radius: calc(var(--radius) + 8px);
  overflow: hidden;
  background: var(--bg);
}

/* Halo muy suave para foco visual (no cambia el fondo blanco) */
.hero::before{
  content:"";
  position: absolute;
  inset: -120px;
  background:
    radial-gradient(closest-side at 50% 25%,
      rgba(11, 31, 58, 0.08) 0%,
      rgba(11, 31, 58, 0.03) 30%,
      rgba(255,255,255, 0) 70%);
  pointer-events: none;
}

/* Line art (topográfico) ultra sutil */
.hero::after{
  content:"";
  position: absolute;
  inset: 0;
  opacity: 0.55;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='900' height='600' viewBox='0 0 900 600'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop offset='0' stop-color='%23e7e9ee'/%3E%3Cstop offset='1' stop-color='%23eef0f4'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cg fill='none' stroke='url(%23g)' stroke-width='1'%3E%3Cpath d='M-40 90 C 140 10, 260 180, 460 100 C 620 40, 760 120, 980 60'/%3E%3Cpath d='M-60 160 C 150 70, 260 240, 460 170 C 660 100, 740 220, 980 140'/%3E%3Cpath d='M-70 240 C 150 150, 270 310, 480 260 C 660 210, 760 300, 980 240'/%3E%3Cpath d='M-90 320 C 130 250, 290 390, 500 340 C 690 300, 780 420, 980 350'/%3E%3Cpath d='M-110 420 C 140 350, 320 520, 540 450 C 720 390, 810 540, 980 480'/%3E%3Cpath d='M-120 520 C 120 460, 340 600, 560 530 C 740 470, 820 620, 980 560'/%3E%3C/g%3E%3Cg fill='none' stroke='%23e7e9ee' stroke-width='1' opacity='0.7'%3E%3Cpath d='M120 40 C 220 140, 320 20, 420 120 C 520 220, 620 80, 720 180'/%3E%3Cpath d='M160 500 C 270 390, 370 560, 500 430 C 630 300, 740 500, 860 380'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover;
  background-position: center;
}

/* Contenido encima del fondo */
.hero__inner{
  position: relative;
  z-index: 1;
  padding: 34px 28px 26px;
  display: grid;
  gap: 22px;
}

/* =========================
   Brand / Hero content
========================= */

.brand{
  display: grid;
  justify-items: center;
}

.brand__logo{
  width: min(520px, 92%);
  height: auto;
  display: block;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.06));
}

.hero__content{
  text-align: center;
  display: grid;
  gap: 14px;
  justify-items: center;
}

.badge{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.78);
  border-radius: 999px;
  font-size: 0.95rem;
  color: var(--muted);
  backdrop-filter: blur(6px);
}

/* pequeño punto azul para contraste */
.badge::before{
  content:"";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.title{
  margin: 0;
  font-size: clamp(1.55rem, 2.3vw, 2.25rem);
  letter-spacing: -0.02em;
  max-width: 22ch;
}

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

.subtitle{
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
  font-size: 1.03rem;
}

.note{
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* =========================
   Buttons
========================= */

.cta{
  margin-top: 6px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.06);
  font-weight: 600;
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease, border-color .12s ease;
  user-select: none;
}

.btn:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
  border-color: #d7dbe4;
}

.btn--primary{
  background: var(--accent);
  color: #ffffff;
  border-color: rgba(11,31,58,0.45);
}

.btn--primary:hover{
  background: var(--accent-2);
}

.btn--ghost{
  background: rgba(255,255,255,0.85);
  color: var(--text);
}

/* =========================
   Cards
========================= */

.cards{
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--shadow);
  padding: 16px 16px 14px;
  backdrop-filter: blur(6px);
}

.card__title{
  margin: 0 0 6px;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.card__text{
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* =========================
   Footer
========================= */

.footer{
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid rgba(231,233,238,0.9);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
}

.footer__right{
  display: inline-flex;
  gap: 10px;
}

.footer__link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.75);
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.footer__link:hover{
  transform: translateY(-1px);
  border-color: #d7dbe4;
  background: rgba(255,255,255,0.9);
}

/* =========================
   Responsive
========================= */

/* Tablet */
@media (max-width: 1023px){
  .hero__inner{
    padding: 28px 18px 22px;
  }
  .cards{
    grid-template-columns: repeat(2, 1fr);
  }
  .title{
    max-width: 28ch;
  }
}

/* Mobile */
@media (max-width: 767px){
  .page{
    padding: 18px 14px;
  }
  .brand__logo{
    width: min(420px, 96%);
  }
  .cards{
    grid-template-columns: 1fr;
  }
  .footer{
    flex-direction: column;
    align-items: flex-start;
  }
}