:root {
  --ink: #12343A;
  --body: #3F5A5F;
  --sky: #C2DBE2;
  --tint: #EAF3F3;
  --line: #D5E4E5;
  --teal: #1DA19E;
  --deep: #10615D;
  --white: #FFFFFF;
  --sans: "Hanken Grotesk", system-ui, sans-serif;
  --gutter: clamp(16px, 5vw, 64px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--white);
  color: var(--body);
  font: 400 1.0625rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, canvas { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; color: var(--ink); font-weight: 300; }
h1 { font-size: clamp(2.25rem, 5.2vw, 4.5rem); line-height: 1.16; text-transform: uppercase; letter-spacing: -0.01em; }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); line-height: 1.15; letter-spacing: -0.01em; }
h3 { font-size: 1.375rem; font-weight: 400; line-height: 1.25; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--deep); outline-offset: 3px; }

.wrap { width: min(1320px, 100%); margin-inline: auto; padding-inline: var(--gutter); }
.skip { position: absolute; left: 16px; top: -60px; z-index: 30; background: var(--ink); color: var(--white); padding: 8px 14px; }
.skip:focus { top: 8px; }

.btn {
  display: inline-block; padding: 14px 32px; border: 0; border-radius: 999px;
  background: var(--ink); color: var(--white);
  font: 500 1rem/1.2 var(--sans); text-decoration: none; cursor: pointer;
  transition: background-color .2s;
}
.btn:hover { background: var(--deep); }
.btn--icon { display: inline-flex; align-items: center; gap: 10px; }
.btn--outline { background: none; box-shadow: inset 0 0 0 1px var(--ink); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: var(--white); }
.icon { width: 20px; height: 20px; flex: none; fill: currentColor; }
.icon--line { fill: none; stroke: currentColor; stroke-width: 2; }
.icon--line .dot { fill: currentColor; stroke: none; }

/* Menú flotante */
.nav { position: fixed; inset: 16px 0 auto; z-index: 20; padding-inline: clamp(12px, 2vw, 32px); }
.nav__card {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  width: min(1320px, 100%); margin-inline: auto; padding: 14px clamp(16px, 3vw, 40px);
  background: var(--white); border-radius: 20px; box-shadow: 0 6px 24px rgb(18 52 58 / .08);
}
.nav__brand img { width: auto; height: 36px; }
.nav__links { display: flex; align-items: center; gap: 32px; }
.nav__links a:not(.btn) { color: var(--ink); text-decoration: none; }
.nav__links a:not(.btn):hover { color: var(--deep); }
.nav__links .btn { padding: 11px 26px; }
.nav__toggle { display: none; padding: 8px 18px; background: none; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); font: 500 .9375rem var(--sans); cursor: pointer; }

/* Portada */
.hero { position: relative; display: flex; align-items: center; min-height: min(88vh, 780px); min-height: min(88svh, 780px); padding-block: 136px 72px; background: var(--sky); overflow: hidden; }
.hero__ribbon { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__text { position: relative; }
.hero__text h1 { max-width: 13em; }
.hero__text p { max-width: 36em; margin-block: 24px 32px; color: var(--ink); font-size: 1.1875rem; }

/* Franja */
.band { background: var(--ink); color: var(--white); }
.band__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-block: 0; padding-block: 36px; list-style: none; font-size: 1.1875rem; }

/* Secciones */
.section { padding-block: clamp(72px, 9vw, 112px); }
.section--tint { background: var(--tint); }

.services { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.card { padding: 28px; background: var(--white); border: 1px solid var(--line); border-radius: 20px; transition: border-color .2s; }
.card:hover { border-color: var(--teal); }
.card p { margin-top: 12px; }

.studies { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); margin-top: 40px; }
.studies p { margin-top: 12px; }

.about { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.about__img { width: 100%; height: auto; border-radius: 20px; }
.about h2 + p { margin-top: 20px; }
.about p + p { margin-top: 12px; }
.about .btn { margin-top: 28px; }

.location { display: grid; grid-template-columns: 2fr 3fr; gap: clamp(32px, 6vw, 88px); align-items: stretch; }
.location__list { display: grid; gap: 20px; margin: 28px 0 0; }
.location__list dt { color: var(--deep); font-size: .9375rem; font-weight: 500; }
.location__list dd { margin: 2px 0 0; color: var(--ink); }
.location__list a { color: inherit; text-underline-offset: 3px; }
.location__map { width: 100%; height: 100%; min-height: 380px; border: 0; border-radius: 20px; }

/* Contacto */
.contact { padding-block: clamp(72px, 9vw, 112px); background: var(--sky); }
.contact h2 + p { margin-top: 12px; color: var(--ink); font-size: 1.1875rem; }
.contact__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); }
.form { display: grid; gap: 16px; padding: clamp(20px, 3vw, 32px); background: var(--white); border-radius: 20px; color: var(--ink); }
.form label { display: grid; gap: 6px; font-size: .9375rem; font-weight: 500; }
.form input, .form select, .form textarea { width: 100%; padding: 11px 14px; background: var(--white); border: 1px solid #A9C2C4; border-radius: 12px; color: var(--ink); font: 400 1rem var(--sans); }
.form textarea { resize: vertical; }
.form .btn { justify-self: start; }
.form__status { color: var(--deep); font-size: .9375rem; }
.form__status:empty { display: none; }

/* Pie */
.footer { padding-block: 40px; background: var(--ink); color: #B4CBCD; font-size: .9375rem; }
.footer__inner { display: grid; grid-template-columns: 1fr auto 1fr; gap: 32px; align-items: center; }
.footer img { width: auto; height: 32px; }
.footer__copy { justify-self: end; }
.social { display: flex; align-items: center; gap: 16px; }
.social ul { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; }
.social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; color: var(--white); box-shadow: inset 0 0 0 1px rgb(255 255 255 / .3); transition: background-color .2s, color .2s; }
.social a:hover { background: var(--white); color: var(--ink); }

@media (max-width: 1080px) {
  .services { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__links { display: none; position: absolute; inset: calc(100% + 8px) 0 auto; flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px clamp(16px, 3vw, 40px); background: var(--white); border-radius: 20px; box-shadow: 0 6px 24px rgb(18 52 58 / .08); }
  .nav__links.is-open { display: flex; }
  .hero { display: block; min-height: 0; padding-block: 120px 280px; }
  .hero__ribbon { top: auto; bottom: 0; height: 280px; }
  .band__list, .studies, .about, .location, .contact__grid { grid-template-columns: minmax(0, 1fr); }
  .band__list { gap: 8px; padding-block: 28px; }
  .footer__inner { grid-template-columns: 1fr; gap: 20px; }
  .footer__copy { justify-self: start; }
  .social { flex-wrap: wrap; }
  .location__map { height: 340px; min-height: 0; }
}
@media (max-width: 560px) {
  .services { grid-template-columns: minmax(0, 1fr); }
  .hero__text .btn { display: block; text-align: center; }
  .contact__actions .btn { flex: 1 1 100%; justify-content: center; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}