/* ==========================================================================
   Variables (paleta de marca) y Reset
   ========================================================================== */
:root{
  /* Paleta de marca solicitada */
  --blue:#1595d4;   /* 20% */
  --orange:#e47e00; /* 20% */
  --yellow:#f7d208; /* 10% */
  --white:#ffffff;  /* 60% */

  /* Soporte UI y tipografía */
  --ink-900:#0F172A;
  --ink-700:#334155;
  --ink-500:#64748B;
  --ink-300:#CBD5E1;

  /* UI */
  --radius:14px;
  --shadow:0 10px 30px rgba(20,23,31,.12);
}

*{box-sizing:border-box}
html{
  scroll-behavior:smooth;
  scroll-padding-top:78px; /* offset header fijo */
}
body{
  margin:0; font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink-900); background:var(--white);
  line-height:1.55;
}

/* Helpers */
.container{ width:min(1160px, 100% - 2rem); margin-inline:auto; }
.link{ color:var(--blue); text-decoration:underline; }
.btn{
  --_bg:linear-gradient(135deg,var(--blue),var(--orange));
  --_fg:var(--white); --_bd:transparent;
  display:inline-flex; align-items:center; justify-content:center;
  gap:.5rem; padding:.8rem 1.1rem; border-radius:11px;
  border:1px solid var(--_bd); background:var(--_bg); color:var(--_fg);
  cursor:pointer; font-weight:700; letter-spacing:.2px; transition:.2s ease;
  box-shadow: var(--shadow);
}
.btn:hover{ transform:translateY(-1px); }
.btn--primary{ background: var(--_bg); }

/* Focus ring accesible */
.focus-ring{ outline: 3px solid rgba(21,149,212,.35); outline-offset: 2px; }

/* ==========================================================================
   Header fijo
   ========================================================================== */
.header{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px); border-bottom:1px solid #eef1f5;
}
.header__inner{ display:flex; align-items:center; justify-content:space-between; padding:.85rem 0; }
.brand{ display:flex; align-items:center; gap:.8rem; text-decoration:none; color:inherit; }
.brand__logo{
  width:44px; height:44px; object-fit:contain; border-radius:10px;
  box-shadow:0 6px 12px rgba(0,0,0,.06); background:#fff;
}
.brand__name{ font-weight:800; letter-spacing:.2px; white-space:nowrap; }

.nav{ display:flex; }
.nav__list{ list-style:none; display:flex; gap:1rem; margin:0; padding:0; }
.nav__link{ text-decoration:none; color:var(--ink-700); font-weight:700; padding:.5rem .75rem; border-radius:8px; }
.nav__link:hover{ background: rgba(21,149,212,.10); }

.nav__toggle{ display:none; background:none; border:0; width:40px; height:40px; border-radius:10px; }
.nav__burger,
.nav__burger::before,
.nav__burger::after{
  content:""; display:block; height:2px; background:var(--ink-900);
  border-radius:2px; width:22px; margin:auto; position:relative;
}
.nav__burger::before{ top:-6px; position:relative; }
.nav__burger::after{ top:6px; position:relative; }

/* Mobile nav */
@media (max-width: 860px){
  .nav__toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav{ position:fixed; inset:64px 0 auto 0; transform:translateY(-120%); transition:.25s;
        background:rgba(255,255,255,.98); border-bottom:1px solid #eef1f5; }
  .nav.open{ transform:translateY(0); }
  .nav__list{ flex-direction:column; padding:1rem; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{ position:relative; padding: clamp(4rem, 8vw, 7rem) 0 4rem; overflow:hidden; }
.hero__inner{ text-align:center; }
.hero__title{
  font-size:clamp(1.8rem, 4vw, 3rem);
  font-weight:900; letter-spacing:.3px; margin:0 0 1rem 0;
  background:linear-gradient(135deg,var(--blue),var(--orange));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero__desc{
  color:var(--ink-700);
  max-width:920px; margin-inline:auto; margin-bottom:1.6rem;
}
.hero__bg{
  position:absolute; inset:auto -10% -35% -10%; height:55%;
  background:
    radial-gradient(600px 260px at 30% 30%, rgba(21,149,212,.15), transparent 60%),
    radial-gradient(720px 300px at 70% 40%, rgba(228,126,0,.18), transparent 60%),
    radial-gradient(520px 220px at 50% 70%, rgba(247,210,8,.18), transparent 60%);
  filter:blur(40px);
}

/* ==========================================================================
   Secciones
   ========================================================================== */
.section{ padding: clamp(3rem, 6vw, 5rem) 0; }
.section--alt{ background: #fdfdfd; }
.section__header{ text-align:center; margin-bottom:2rem; }
.section__title{ font-size: clamp(1.5rem, 2.4vw, 2rem); margin:.2rem 0; }
.section__subtitle{ color:var(--ink-500); margin:0; }

/* Grid servicios */
.grid{
  display:grid; gap:1.2rem;
  grid-template-columns: repeat( auto-fit, minmax(260px, 1fr) );
}
.card{
  background:var(--white); border-radius:var(--radius); padding:1.4rem; box-shadow:var(--shadow);
  border:1px solid #eef1f5; transition:.2s;
}
.card:hover{ transform: translateY(-3px); }
.card__icon svg{ width:52px; height:52px; fill:none; stroke:var(--blue); stroke-width:3; }
.card__title{ margin:.8rem 0 .4rem; font-size:1.2rem; }
.card__text{ color:var(--ink-700); margin:0; }

/* ==========================================================================
   Contacto
   ========================================================================== */
.contact{ display:grid; gap:1.5rem; grid-template-columns:1fr; }
@media (min-width: 900px){ .contact{ grid-template-columns: .9fr 1.1fr; } }

.contact__title{ margin-top:0; }
.contact__list{ margin:0; padding-left:1.2rem; color:var(--ink-700); }
.contact__list a{ color:var(--blue); }

.form{ background:#fff; border:1px solid #eef1f5; border-radius:var(--radius); padding:1.2rem; box-shadow:var(--shadow); }
.form__row{ display:grid; gap:1rem; grid-template-columns:1fr; }
@media (min-width: 760px){ .form__row{ grid-template-columns:1fr 1fr; } }
.form__field{ display:flex; flex-direction:column; gap:.35rem; }
.form__label{ font-weight:700; }
.input, .textarea{
  border:1px solid var(--ink-300); border-radius:11px; padding:.8rem .9rem; font:inherit; color:inherit;
  outline:none; background:#fff; transition:border-color .2s, box-shadow .2s;
}
.input:focus, .textarea:focus{ border-color:var(--blue); box-shadow:0 0 0 .2rem rgba(21,149,212,.15); }
.form__error{ color:#b91c1c; font-size:.9rem; min-height:1.2rem; margin:0; }
.form__actions{ display:flex; align-items:center; gap:1rem; margin-top:.5rem; }
.form__status{ color:var(--orange); font-weight:700; min-height:1.2rem; }
.form__legal{ color:var(--ink-500); font-size:.95rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer{ padding:1.6rem 0; background:#fff; border-top:1px solid #eef1f5; }
.footer__inner{ display:flex; flex-wrap:wrap; gap:.8rem 1.2rem; align-items:center; justify-content:space-between; }
.footer__link{ color:var(--ink-700); text-decoration:none; margin-right:1rem; }
.footer__link:hover{ text-decoration:underline; }
.footer__copy{ margin:0; color:var(--ink-500); }

/* ==========================================================================
   Modal Legal (dialog nativo)
   ========================================================================== */
.modal{ border:0; padding:0; background:transparent; }
.modal::backdrop{ background:rgba(15,23,42,.45); backdrop-filter: blur(2px); }
.modal__card{ width:min(720px, 92vw); background:#fff; border-radius:16px; overflow:hidden; box-shadow:var(--shadow); }
.modal__header{ display:flex; align-items:center; justify-content:space-between; padding:1rem 1.2rem; border-bottom:1px solid #eef1f5;}
.modal__title{ margin:0; }
.modal__body{ padding:1rem 1.2rem; color:var(--ink-700); }
.modal__footer{ padding:1rem 1.2rem; border-top:1px solid #eef1f5; display:flex; justify-content:flex-end; }
.modal__close{ background:none; border:0; font-size:1.6rem; line-height:1; cursor:pointer; }