/* =========================================================================
   CSF — Compañía de Servicios Farmacéuticos
   Rediseño 2026 · hoja de estilos principal
   ========================================================================= */

:root {
    --ink:        #0b1728;   /* navy profundo (texto/fondos oscuros) */
    --ink-2:      #16263c;
    --brand:      #ba2b31;   /* rojo institucional CSF (tomado del logo) */
    --brand-600:  #99222a;
    --accent:     #0ea5a4;   /* teal salud (detalles) */
    --bg:         #ffffff;
    --bg-soft:    #f5f7fa;
    --bg-softer:  #eef2f7;
    --line:       #e2e8f0;
    --text:       #1f2b3a;
    --muted:      #63718650;
    --muted-txt:  #5a6675;
    --white:      #ffffff;
    --radius:     16px;
    --radius-sm:  10px;
    --shadow:     0 10px 30px -12px rgba(11,23,40,.18);
    --shadow-lg:  0 24px 60px -20px rgba(11,23,40,.30);
    --maxw:       1180px;
    --ease:       cubic-bezier(.22,.61,.36,1);
    --font:       'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { line-height: 1.15; color: var(--ink); font-weight: 800; letter-spacing: -.02em; margin: 0 0 .5em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section--soft { background: var(--bg-soft); }
.section--ink { background: var(--ink); color: #cbd5e1; }
.section--ink h2, .section--ink h3 { color: #fff; }

/* eyebrow + títulos de sección */
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
    color: var(--brand); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--brand); display: inline-block; }
.section-head { max-width: 720px; margin-bottom: 54px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 44px); }
.section-head p { font-size: 18px; color: var(--muted-txt); margin: 0; }

/* botones */
.btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
    border: 1.5px solid transparent; cursor: pointer; transition: all .25s var(--ease);
    white-space: nowrap;
}
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 10px 24px -10px rgba(186,43,49,.6); }
.btn--primary:hover { background: var(--brand-600); transform: translateY(-2px); }
.btn--ghost { border-color: rgba(255,255,255,.4); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-2); transform: translateY(-2px); }
.btn--outline { border-color: var(--line); color: var(--ink); background:#fff; }
.btn--outline:hover { border-color: var(--brand); color: var(--brand); }

/* =========================  HEADER / NAV  ============================ */
.site-header {
    position: fixed; inset: 0 0 auto 0; z-index: 50;
    transition: background .3s var(--ease), box-shadow .3s var(--ease), padding .3s var(--ease);
    padding: 18px 0;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-header .logo { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px; }
.site-header .logo img { height: 40px; width: auto; max-width: none; }
.mourning-ribbon { display: inline-flex; align-items: center; line-height: 0; }
.mourning-ribbon svg { height: 30px; width: auto; display: block; }
.site-header.scrolled { background: rgba(11,23,40,.96); backdrop-filter: blur(10px); box-shadow: 0 6px 24px -12px rgba(0,0,0,.5); padding: 12px 0; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a { color: #eaf0f7; font-weight: 600; font-size: 15px; opacity: .92; transition: color .2s; }
.nav a:hover { color: #fff; }
.nav a.nav-cta { color:#fff; }
.nav .btn { padding: 11px 22px; }
.nav-linkedin { display:inline-flex; align-items:center; justify-content:center; color:#eaf0f7; opacity:.9; }
.nav-linkedin:hover { color:#fff; opacity:1; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: #fff; margin: 5px 0; transition: .3s; }

/* =========================  HERO  =================================== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    color: #fff; overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; z-index: -2; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
    content: ""; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(115deg, rgba(11,23,40,.94) 0%, rgba(11,23,40,.82) 42%, rgba(11,23,40,.45) 100%);
}
.hero__inner { max-width: 760px; padding: 120px 0 80px; }
.hero h1 { color: #fff; font-size: clamp(34px, 6vw, 62px); margin-bottom: 20px; }
.hero h1 .hl { color: #e06a70; }
.hero p { font-size: clamp(17px, 2.2vw, 21px); color: #d7e0ec; max-width: 620px; margin-bottom: 34px; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* franja de stats */
.stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    margin-top: 64px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.18);
    max-width: 640px;
}
.stat .num { font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: #fff; letter-spacing: -.03em; }
.stat .lbl { font-size: 14px; color: #aebccd; }

/* =========================  NOSOTROS  ============================== */
.about { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.about__media { position: relative; }
.about__media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); aspect-ratio: 4/3; object-fit: cover; }
.about__badge {
    position: absolute; bottom: -26px; left: -26px; background: var(--brand); color: #fff;
    padding: 22px 26px; border-radius: var(--radius-sm); box-shadow: var(--shadow);
}
.about__badge b { display: block; font-size: 34px; line-height: 1; }
.about__badge span { font-size: 13px; opacity: .9; }
.about p { font-size: 17px; color: var(--muted-txt); }

.mvv { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 72px; }
.mvv .card { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 30px; transition: .3s var(--ease); }
.mvv .card:hover { border-color: transparent; box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.mvv .ic { width:46px; height:46px; border-radius:12px; background: rgba(186,43,49,.1); color: var(--brand); display:flex; align-items:center; justify-content:center; margin-bottom:18px; }
.mvv h3 { font-size: 20px; }
.mvv p { font-size: 15px; color: var(--muted-txt); margin: 0; }

/* =========================  SERVICIOS  ============================= */
.services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.svc {
    position: relative; border-radius: var(--radius); overflow: hidden; min-height: 340px;
    display: flex; align-items: flex-end; color: #fff; box-shadow: var(--shadow);
    transition: transform .35s var(--ease);
}
.svc:hover { transform: translateY(-6px); }
.svc img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0; transition: transform .6s var(--ease); }
.svc:hover img { transform: scale(1.06); }
.svc::after { content:""; position:absolute; inset:0; z-index:1; background: linear-gradient(to top, rgba(11,23,40,.92) 12%, rgba(11,23,40,.35) 70%, rgba(11,23,40,.15)); }
.svc__body { position: relative; z-index: 2; padding: 30px; }
.svc__body h3 { color:#fff; font-size: 24px; margin-bottom: 8px; }
.svc__body p { color:#d7e0ec; font-size: 15px; margin: 0; max-width: 42ch; }
.svc__tag { display:inline-block; font-size:12px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:#e79a9e; margin-bottom:10px; }

/* lista de detalles bajo servicios */
.svc-features { display:grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 40px; }
.feat { display:flex; gap:14px; align-items:flex-start; }
.feat .dot { flex:none; width:22px; height:22px; border-radius:50%; background:rgba(14,165,164,.14); color:var(--accent); display:flex; align-items:center; justify-content:center; margin-top:2px; }
.feat b { display:block; color:var(--ink); font-size:15px; }
.feat span { font-size:14px; color:var(--muted-txt); }

/* =========================  COBERTURA  ============================= */
.cobertura { display:grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items:center; }
.cob-stat { font-size: clamp(40px,6vw,68px); font-weight:800; color:#fff; letter-spacing:-.03em; }
.cob-stat span { color: var(--brand); }
.chips { display:flex; flex-wrap:wrap; gap:10px; }
.chip {
    font-size:14px; font-weight:600; padding:8px 15px; border-radius:999px;
    background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14); color:#dbe4ee;
}
.chip.is-strong { background: var(--brand); border-color: var(--brand); color:#fff; }
.cob-sub { margin-top:26px; font-size:14px; color:#8ea0b5; }

/* =========================  CLIENTES  ============================= */
.client-chips {
    display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
    gap: 14px; max-width: 860px; margin: 0 auto;
}
.client-chip {
    font-size: 16px; font-weight: 700; color: var(--ink);
    padding: 14px 26px; border-radius: 999px; background: #fff;
    border: 1px solid var(--line); box-shadow: var(--shadow);
    transition: transform .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
}
.client-chip:hover { transform: translateY(-3px); border-color: var(--brand); color: var(--brand); }
.client-chip--more {
    background: var(--brand); color: #fff; border-color: var(--brand);
    box-shadow: 0 10px 24px -10px rgba(186,43,49,.6);
}
.client-chip--more:hover { background: var(--brand-600); color: #fff; }

/* =========================  CONTACTO  ============================= */
.contact { display:grid; grid-template-columns: 1fr 1.1fr; gap: 56px; }
.contact-info .row { display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--line); }
.contact-info .ic { flex:none; width:44px; height:44px; border-radius:12px; background:var(--ink); color:#fff; display:flex; align-items:center; justify-content:center; }
.contact-info b { display:block; color:var(--ink); font-size:15px; margin-bottom:2px; }
.contact-info a, .contact-info span { color: var(--muted-txt); font-size:15px; }
.contact-info a:hover { color: var(--brand); }

.form { background:#fff; border:1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form .grid2 { display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.field { margin-bottom:16px; }
.field label { display:block; font-size:13px; font-weight:600; color:var(--ink); margin-bottom:6px; }
.field input, .field textarea {
    width:100%; padding:13px 15px; border:1.5px solid var(--line); border-radius:10px;
    font-family:inherit; font-size:15px; color:var(--text); background:var(--bg-soft); transition:.2s;
}
.field input:focus, .field textarea:focus { outline:none; border-color:var(--brand); background:#fff; box-shadow:0 0 0 4px rgba(186,43,49,.1); }
.field textarea { resize:vertical; min-height:120px; }
.form-note { font-size:13px; color:var(--muted-txt); margin-top:4px; }

/* =========================  FOOTER  ============================== */
.footer { background:#060f1c; color:#8ea0b5; padding: 72px 0 30px; }
.footer__top { display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap:40px; padding-bottom:48px; border-bottom:1px solid rgba(255,255,255,.08); }
.footer img.flogo { height:42px; width:auto; max-width:none; margin-bottom:20px; }
.footer h4 { color:#fff; font-size:14px; letter-spacing:.06em; text-transform:uppercase; margin-bottom:18px; }
.footer ul { list-style:none; padding:0; margin:0; }
.footer ul li { margin-bottom:11px; }
.footer ul a { font-size:14px; transition:color .2s; }
.footer ul a:hover { color:#fff; }
.footer .desc { font-size:14px; max-width:34ch; margin-bottom:22px; }
.footer .data-fiscal { width:70px; border-radius:6px; margin-top:8px; }
.footer__bottom { display:flex; justify-content:space-between; align-items:center; gap:16px; padding-top:26px; font-size:13px; flex-wrap:wrap; }
.footer__bottom a:hover { color:#fff; }

/* =========================  UTIL / ANIM  ========================= */
.reveal { opacity:0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity:1; transform:none; }

/* =========================  RESPONSIVE  ========================= */
@media (max-width: 980px) {
    .about, .cobertura, .contact { grid-template-columns: 1fr; gap: 40px; }
    .services { grid-template-columns: 1fr; }
    .mvv { grid-template-columns: 1fr; }
    .svc-features { grid-template-columns: 1fr; }
    .clientes-grid { columns: 2; }
    .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; }
    .about__media { order: -1; }
}
@media (max-width: 760px) {
    .section { padding: 68px 0; }
    .nav {
        position: fixed; inset: 0 0 0 auto; width: min(78vw, 320px);
        background: var(--ink); flex-direction: column; align-items: flex-start;
        padding: 96px 30px 40px; gap: 22px; transform: translateX(100%);
        transition: transform .35s var(--ease); box-shadow: -20px 0 60px rgba(0,0,0,.4);
    }
    .nav.open { transform: none; }
    .nav-toggle { display: block; z-index: 60; }
    body.nav-open .nav-toggle span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
    body.nav-open .nav-toggle span:nth-child(2){ opacity:0; }
    body.nav-open .nav-toggle span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
    .stats { grid-template-columns: 1fr 1fr; gap: 24px; }
    .form .grid2 { grid-template-columns: 1fr; }
    .clientes-grid { columns: 1; }
    .footer__top { grid-template-columns: 1fr; }
    .about__badge { left: 0; }
}