/* ===========================================================
   Lactify — Landing page estática
   Paleta de marca: navy #002857
   =========================================================== */

:root {
  --navy: #002857;
  --navy-700: #013a7a;
  --navy-50: #eaf1fa;
  /* "cream" ahora es un gris-azulado frío (más azul y gris, menos crema) */
  --cream: #eef2f8;
  --cream-2: #dde7f3;
  /* acento azul (reemplaza el coral) */
  --coral: #4a7fbf;
  --coral-dark: #356aa6;
  --steel: #3f6aa5;
  --ink: #1f2933;
  --muted: #5b6670;
  --line: #dbe3ee;
  --wa: #25d366;
  --wa-dark: #1da851;
  --max: 1160px;
  --radius: 18px;
  --shadow: 0 18px 45px -22px rgba(0, 40, 87, 0.45);
  --font: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--navy); text-decoration: none; }

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.18;
  color: var(--navy);
  margin: 0 0 .5em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); letter-spacing: -.01em; }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }

p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }

.eyebrow {
  display: inline-block;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--coral-dark);
  margin-bottom: .9rem;
}

.section { padding: clamp(56px, 8vw, 100px) 0; }
.section--cream { background: var(--cream); }
.section--white { background: #fff; }
.section--navy { background: var(--navy); color: #fff; }
.section--navy h1, .section--navy h2, .section--navy h3 { color: #fff; }
.section--navy .eyebrow { color: #9dc0ec; }

.center { text-align: center; }
.lead { font-size: 1.12rem; color: #44515f; max-width: 60ch; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: inherit; font-weight: 600; font-size: 1rem;
  padding: .85rem 1.6rem; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  line-height: 1;
}
.btn:hover { transform: translateY(-2px); }
/* CTA principal (antes verde) ahora en azul de marca; el verde queda solo en el botón flotante */
.btn--wa { background: #2f6db0; color: #fff; box-shadow: 0 12px 24px -10px rgba(0,40,87,.45); }
.btn--wa:hover { background: #24578d; }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--navy-700); }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--navy); }
.btn--ghost:hover { background: var(--navy); color: #fff; }
.btn--light { background: #fff; color: var(--navy); }
.btn--light:hover { background: var(--cream-2); }
.btn .ico { width: 20px; height: 20px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, .10);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 8px 22px; max-width: var(--max); margin: 0 auto; }
.nav__logo img { height: 46px; width: auto; display: block; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__links > li { position: relative; }
.nav__links a.nav__link {
  display: block; padding: 10px 14px; border-radius: 10px;
  font-weight: 500; font-size: .95rem; color: #fff;
}
.nav__links a.nav__link:hover, .nav__link.is-active { color: #fff; background: rgba(255, 255, 255, .14); }

.has-sub > .nav__link::after { content: "▾"; font-size: .7em; margin-left: .35em; opacity: .6; }
.subnav {
  position: absolute; top: 100%; left: 0; min-width: 240px;
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: var(--shadow); padding: 8px; list-style: none; margin: 8px 0 0;
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s ease;
}
.has-sub:hover .subnav, .has-sub:focus-within .subnav { opacity: 1; visibility: visible; transform: translateY(0); }
.subnav a { display: block; padding: 9px 12px; border-radius: 9px; font-size: .92rem; color: var(--ink); }
.subnav a:hover { background: var(--navy-50); color: var(--navy); }

.nav__cta { display: flex; align-items: center; gap: .6rem; }
.nav__toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: .25s; }

@media (max-width: 940px) {
  .nav__toggle { display: block; }
  .nav__links {
    position: fixed; inset: 74px 0 auto 0; flex-direction: column; align-items: stretch;
    gap: 2px; background: var(--navy); padding: 16px 22px 26px;
    border-bottom: 1px solid rgba(255,255,255,.12); box-shadow: var(--shadow);
    transform: translateY(-130%); transition: transform .3s ease; max-height: calc(100vh - 74px); overflow-y: auto;
  }
  .nav.open .nav__links { transform: translateY(0); }
  .subnav { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: transparent; padding: 0 0 0 14px; margin: 2px 0; }
  .subnav a { color: rgba(255,255,255,.85); }
  .subnav a:hover { background: rgba(255,255,255,.14); color: #fff; }
  .nav__cta .btn--wa { display: none; }
  .nav.open .nav__toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav__toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav__toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ---------- Hero ---------- */
.hero { background: linear-gradient(160deg, var(--cream) 0%, var(--cream-2) 100%); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; padding: clamp(16px, 2.5vw, 32px) 0 clamp(40px, 6vw, 80px); }
.hero__badge { display: inline-flex; align-items: center; gap: .5rem; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font-size: .82rem; font-weight: 500; color: #44515f; margin-bottom: 1.2rem; }
.hero__badge img { height: 34px; width: auto; display: inline; }
.hero h1 span { color: var(--coral-dark); }
.hero__sub { font-size: 1.15rem; color: #44515f; max-width: 48ch; margin-bottom: 1.6rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.4rem; }
.hero__certs { display: flex; gap: 1.4rem; font-size: .82rem; font-weight: 600; color: var(--navy); letter-spacing: .03em; }
.hero__certs span { display: inline-flex; align-items: center; gap: .4rem; }
.hero__media { position: relative; }
.hero__media img { width: 100%; max-width: 520px; margin: 0 auto; filter: drop-shadow(0 30px 50px rgba(0,40,87,.25)); }

@media (max-width: 820px) {
  .hero__grid { grid-template-columns: 1fr; text-align: center; gap: 24px; }
  .hero__sub { margin-left: auto; margin-right: auto; }
  .hero__actions, .hero__certs { justify-content: center; }
  .hero__media { order: -1; }
  .hero__media img { max-width: 320px; }
}

/* ---------- Partner strip ---------- */
.partners { background: var(--navy); padding: 26px 0; }
.partners__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 36px; }
.partners__row img { height: 40px; width: auto; opacity: .92; }
.partners__label { width: 100%; text-align: center; color: #9dc0ec; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 6px; }

/* ---------- Feature cards ---------- */
.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; box-shadow: 0 12px 30px -24px rgba(0,40,87,.4);
  transition: transform .18s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ico-circle {
  width: 52px; height: 52px; border-radius: 14px; background: var(--navy-50);
  display: grid; place-items: center; margin-bottom: 16px; font-size: 1.5rem;
}
.card h3 { margin-bottom: .4rem; }
.card p { margin: 0; color: #505b67; font-size: .96rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .steps { grid-template-columns: 1fr; } }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; position: relative; }
.step__num {
  width: 40px; height: 40px; border-radius: 50%; background: var(--coral); color: #fff;
  font-weight: 700; display: grid; place-items: center; margin-bottom: 14px; font-size: 1.05rem;
}
.step h3 { font-size: 1.1rem; }
.step p { font-size: .93rem; color: #505b67; margin: 0; }

/* ---------- Split / alternating ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.split--rev .split__media { order: 2; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 28px; } .split--rev .split__media { order: 0; } }
.split__media img { border-radius: var(--radius); width: 100%; box-shadow: var(--shadow); }
.split ul { list-style: none; padding: 0; margin: 1rem 0 0; }
.split ul li { position: relative; padding-left: 30px; margin-bottom: .8rem; color: #44515f; }
.split ul li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--coral-dark); font-weight: 700; }

/* ---------- Benefit chips (no-contact section) ---------- */
.chips { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 900px) { .chips { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .chips { grid-template-columns: 1fr; } }
.chip { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.16); border-radius: var(--radius); padding: 24px; }
.chip h3 { color: #fff; font-size: 1.15rem; }
.chip p { color: #c9d8ec; font-size: .93rem; margin: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.faq summary {
  cursor: pointer; padding: 18px 22px; font-weight: 600; color: var(--navy); list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--coral-dark); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq__body { padding: 0 22px 20px; color: #44515f; }
.faq .faq__body p:last-child { margin-bottom: 0; }

/* ---------- Team ---------- */
.team { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
@media (max-width: 720px) { .team { grid-template-columns: 1fr; } }
.member { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 28px; text-align: center; box-shadow: 0 12px 30px -24px rgba(0,40,87,.4); transition: transform .18s ease, box-shadow .2s ease; }
.member:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.member img { width: 156px; height: 156px; border-radius: 50%; object-fit: cover; display: block; margin: 0 auto 20px; background: var(--navy-50); box-shadow: 0 0 0 7px var(--navy-50); }
.member__body { padding: 0; }
.member__body h3 { margin-bottom: .35rem; }
.member__body .role { color: var(--coral-dark); font-weight: 600; font-size: .9rem; margin-bottom: .9rem; }
.member__body p { font-size: .92rem; color: #505b67; text-align: left; }
.member__body a { font-weight: 600; color: var(--coral-dark); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.data { border-collapse: collapse; width: 100%; min-width: 540px; font-size: .92rem; }
table.data th, table.data td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--line); }
table.data thead th { background: var(--navy); color: #fff; font-weight: 600; }
table.data tbody tr:nth-child(even) { background: var(--cream); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-700) 100%); border-radius: 24px; padding: clamp(36px, 5vw, 60px); text-align: center; color: #fff; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #c9d8ec; max-width: 52ch; margin: 0 auto 1.6rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.contact-card .row { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; }
.contact-card .row .ico-circle { width: 44px; height: 44px; border-radius: 12px; background: var(--navy-50); display: grid; place-items: center; font-size: 1.2rem; flex: 0 0 auto; }
.form label { display: block; font-weight: 500; font-size: .9rem; margin: 0 0 6px; color: var(--navy); }
.form input, .form textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; font-family: inherit; font-size: 1rem; margin-bottom: 16px; background: var(--cream); }
.form input:focus, .form textarea:focus { outline: 2px solid var(--navy-50); border-color: var(--navy); background: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy); color: #c9d8ec; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer img.foot-logo { height: 52px; width: auto; margin-bottom: 16px; }
.site-footer h4 { color: #fff; font-size: .95rem; letter-spacing: .04em; margin-bottom: 14px; }
.site-footer a { color: #c9d8ec; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 9px; font-size: .92rem; }
.site-footer .addr { font-size: .9rem; line-height: 1.7; }
.foot-partners { display: flex; gap: 18px; align-items: center; margin-top: 18px; flex-wrap: wrap; }
.foot-partners img { height: 30px; opacity: .9; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); margin-top: 36px; padding-top: 20px; font-size: .82rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa);
  display: grid; place-items: center; box-shadow: 0 14px 30px -8px rgba(37,211,102,.7);
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Page hero (subpages) ---------- */
.page-hero { background: linear-gradient(160deg, var(--cream) 0%, var(--cream-2) 100%); padding: clamp(48px, 7vw, 90px) 0 clamp(40px, 5vw, 64px); }
.page-hero .lead { margin-top: .4rem; }

/* utilities */
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.note { font-size: .85rem; color: #6b7682; }
.stack > * + * { margin-top: 1rem; }

/* Bloquea el scroll del body cuando el menú móvil está abierto */
body.nav-open { overflow: hidden; }

/* ---------- Accesibilidad: foco visible por teclado ---------- */
a:focus-visible,
button:focus-visible,
summary:focus-visible,
.btn:focus-visible,
.nav__link:focus-visible,
.card:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid #9dc0ec;
  outline-offset: 2px;
  border-radius: 8px;
}
/* Sobre fondos oscuros (navy) el foco usa un color claro con buen contraste */
.site-header a:focus-visible,
.site-header button:focus-visible,
.section--navy a:focus-visible,
.site-footer a:focus-visible {
  outline-color: #ffffff;
}

/* ---------- Respeta la preferencia de menos movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .btn:hover, .card:hover, .member:hover, .wa-float:hover { transform: none; }
}