/* =========================================================
   Corona Computación — Hoja de estilos
   Sistema de diseño: Profesional moderno · Mobile-first
   Paleta: Navy + Cyan + Gold (corona)
   Tipografía: Poppins (titulares) + Inter (cuerpo)
   ========================================================= */

/* ---------- Tokens ---------- */
:root {
    --c-primary: #0A2540;
    --c-primary-700: #0E2F52;
    --c-primary-50: #EEF3F9;
    --c-accent: #00B4D8;
    --c-accent-600: #0096B3;
    --c-gold: #F59E0B;

    --c-bg: #FFFFFF;
    --c-surface: #FFFFFF;
    --c-surface-alt: #F8FAFC;
    --c-surface-2: #F1F5F9;

    --c-text: #0F172A;
    --c-text-muted: #475569;
    --c-text-soft: #64748B;
    --c-border: #E2E8F0;
    --c-border-strong: #CBD5E1;

    --c-success: #10B981;
    --c-danger:  #EF4444;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px rgba(10, 37, 64, 0.12);

    --container: 1200px;
    --header-h: 72px;

    --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-in:  cubic-bezier(0.55, 0, 1, 0.45);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--c-text);
    background: var(--c-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--c-accent-600); text-decoration: none; transition: color 150ms var(--ease-out); }
a:hover { color: var(--c-primary); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 3px solid rgba(0, 180, 216, 0.45);
    outline-offset: 2px;
    border-radius: 4px;
}
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4 {
    font-family: 'Poppins', system-ui, sans-serif;
    color: var(--c-primary);
    line-height: 1.2;
    margin: 0 0 0.5em;
    letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4vw + 1rem, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.625rem, 2vw + 1rem, 2.25rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { margin: 0 0 1em; color: var(--c-text-muted); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Skip link ---------- */
.skip-link {
    position: absolute; left: -9999px; top: 0;
    background: var(--c-primary); color: #fff; padding: 12px 16px; z-index: 1000;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--c-border);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    min-height: var(--header-h); gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--c-primary); }
.brand:hover { color: var(--c-primary); }
.brand-mark { display: inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.125rem; color: var(--c-primary); }
.brand-accent { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: 1.125rem; color: var(--c-accent-600); }
.brand-tagline { font-size: 0.7rem; color: var(--c-text-soft); margin-top: 2px; letter-spacing: 0.02em; }

.nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    background: transparent; border: 1px solid var(--c-border); border-radius: var(--radius-sm);
    color: var(--c-primary);
}
.nav-toggle .icon-menu-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu-close { display: inline; }

.primary-nav { display: none; }
.nav-list { list-style: none; padding: 0; margin: 0; display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.nav-list a {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 14px; border-radius: var(--radius-sm);
    color: var(--c-text); font-weight: 500; font-size: 0.95rem;
    min-height: 44px;
}
.nav-list a:hover { background: var(--c-surface-2); color: var(--c-primary); }
.nav-list a.is-active { color: var(--c-primary); background: var(--c-primary-50); }
.nav-cta a { color: #fff !important; }

@media (min-width: 960px) {
    .nav-toggle { display: none; }
    .primary-nav { display: block; }
}
@media (max-width: 959px) {
    .primary-nav {
        position: fixed; top: var(--header-h); left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--c-border);
        padding: 16px; display: none; box-shadow: var(--shadow-md);
    }
    .primary-nav.is-open { display: block; }
    .nav-list { flex-direction: column; align-items: stretch; gap: 4px; }
    .nav-list a { width: 100%; }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 22px; border-radius: var(--radius-sm);
    font-family: 'Inter', sans-serif; font-weight: 600; font-size: 0.95rem;
    border: 1px solid transparent; min-height: 44px;
    transition: transform 180ms var(--ease-out), background 180ms var(--ease-out), box-shadow 180ms var(--ease-out), color 180ms var(--ease-out);
    text-decoration: none;
}
.btn-sm { padding: 8px 14px; font-size: 0.875rem; min-height: 40px; }
.btn-primary { background: var(--c-accent); color: #fff; }
.btn-primary:hover { background: var(--c-accent-600); color: #fff; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-secondary { background: var(--c-primary); color: #fff; }
.btn-secondary:hover { background: var(--c-primary-700); color: #fff; box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-border-strong); }
.btn-outline:hover { background: var(--c-surface-alt); color: var(--c-primary); }
.btn-ghost { background: transparent; color: var(--c-primary); }
.btn-ghost:hover { background: var(--c-surface-2); }
.btn[disabled], .btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.icon-sm { width: 18px; height: 18px; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(0, 180, 216, 0.18), transparent 60%),
        radial-gradient(900px 500px at 0% 100%, rgba(245, 158, 11, 0.10), transparent 60%),
        linear-gradient(180deg, #0A2540 0%, #0E2F52 100%);
    color: #fff;
    overflow: hidden;
}
.hero::after {
    content: ""; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 70%);
    pointer-events: none;
}
.hero-inner {
    position: relative; z-index: 1;
    padding: 72px 24px 96px;
    max-width: var(--container); margin: 0 auto;
    display: grid; grid-template-columns: 1fr; gap: 48px; align-items: center;
}
@media (min-width: 960px) { .hero-inner { grid-template-columns: 1.1fr 0.9fr; padding: 112px 24px 128px; } }

.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff; padding: 6px 12px; border-radius: 999px; font-size: 0.8rem; font-weight: 500;
}
.hero h1 { color: #fff; }
.hero h1 .hl { color: var(--c-gold); }
.hero p.lead { color: rgba(255, 255, 255, 0.85); font-size: 1.125rem; max-width: 56ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.hero-stat strong { display: block; font-family: 'Poppins', sans-serif; font-size: 1.5rem; color: #fff; }
.hero-stat span { color: rgba(255, 255, 255, 0.7); font-size: 0.85rem; }

.hero-card {
    position: relative;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 24px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.hero-card-title { color: #fff; font-family: 'Poppins', sans-serif; font-weight: 600; margin: 0 0 16px; font-size: 1.05rem; }
.hero-card-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.hero-card-list li { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.9); font-size: 0.95rem; }
.hero-card-list svg { color: var(--c-accent); flex: 0 0 auto; }

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section-alt { background: var(--c-surface-alt); }
.section-dark { background: var(--c-primary); color: #fff; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: rgba(255, 255, 255, 0.8); }

.section-head { max-width: 720px; margin: 0 auto 48px; text-align: center; }
.section-head .eyebrow {
    display: inline-block; color: var(--c-accent-600); font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.8rem; margin-bottom: 8px;
}

/* ---------- Service grid ---------- */
.services-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px;
}
.service-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex; flex-direction: column; gap: 12px;
    transition: transform 200ms var(--ease-out), box-shadow 200ms var(--ease-out), border-color 200ms var(--ease-out);
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--c-accent);
}
.service-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 48px; height: 48px; border-radius: var(--radius-md);
    background: var(--c-primary-50); color: var(--c-primary);
}
.service-card h3 { margin: 0; }
.service-card p { margin: 0; font-size: 0.95rem; }
.service-card .more {
    margin-top: auto; display: inline-flex; align-items: center; gap: 6px;
    color: var(--c-accent-600); font-weight: 600; font-size: 0.9rem;
}
.service-card .more svg { transition: transform 200ms var(--ease-out); }
.service-card:hover .more svg { transform: translateX(4px); }

/* ---------- Features (why choose) ---------- */
.features {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px;
}
.feature {
    display: flex; flex-direction: column; gap: 12px;
    padding: 24px; background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
}
.feature-icon {
    width: 44px; height: 44px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(0, 180, 216, 0.10); color: var(--c-accent-600);
}
.feature h3 { font-size: 1.1rem; margin: 0; }
.feature p { font-size: 0.95rem; margin: 0; }

/* ---------- CTA strip ---------- */
.cta-strip {
    background: linear-gradient(135deg, #0A2540 0%, #00B4D8 140%);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 40px;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.cta-strip h2 { color: #fff; margin: 0 0 8px; }
.cta-strip p { color: rgba(255, 255, 255, 0.85); margin: 0; max-width: 60ch; }
.cta-strip .btn { background: #fff; color: var(--c-primary); }
.cta-strip .btn:hover { background: var(--c-gold); color: var(--c-primary); }

/* ---------- Page hero (interior) ---------- */
.page-hero {
    background: linear-gradient(180deg, #0A2540 0%, #0E2F52 100%);
    color: #fff;
    padding: 64px 0 56px;
    position: relative;
}
.page-hero h1 { color: #fff; margin: 12px 0 12px; }
.page-hero p { color: rgba(255, 255, 255, 0.85); max-width: 70ch; margin: 0; }
.breadcrumb { font-size: 0.85rem; color: rgba(255, 255, 255, 0.7); }
.breadcrumb a { color: rgba(255, 255, 255, 0.85); }
.breadcrumb a:hover { color: var(--c-gold); }
.breadcrumb span[aria-hidden] { margin: 0 6px; opacity: 0.5; }

/* ---------- Service detail ---------- */
.service-detail {
    display: grid; grid-template-columns: 1fr; gap: 40px;
}
@media (min-width: 960px) { .service-detail { grid-template-columns: 1.4fr 0.8fr; gap: 56px; } }
.prose h2 { margin-top: 1.5em; }
.prose ul { padding-left: 0; list-style: none; display: grid; gap: 10px; }
.prose ul li { display: flex; align-items: flex-start; gap: 10px; color: var(--c-text); }
.prose ul li svg { color: var(--c-success); flex: 0 0 auto; margin-top: 4px; }
.prose hr { border: 0; border-top: 1px solid var(--c-border); margin: 32px 0; }
.aside-card {
    position: sticky; top: calc(var(--header-h) + 16px);
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius-lg); padding: 24px;
}
.aside-card h3 { margin-top: 0; }
.aside-card .btn { width: 100%; margin-top: 8px; }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: 16px; }
.form-row { display: grid; gap: 16px; }
@media (min-width: 720px) { .form-row.two { grid-template-columns: 1fr 1fr; } }

.field label {
    display: block; font-weight: 500; font-size: 0.9rem;
    color: var(--c-text); margin-bottom: 6px;
}
.field .req { color: var(--c-danger); margin-left: 2px; }
.field input, .field textarea, .field select {
    width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
    border: 1px solid var(--c-border-strong); background: #fff; color: var(--c-text);
    font-family: inherit; font-size: 1rem; min-height: 44px;
    transition: border-color 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
}
.field input:focus, .field textarea:focus, .field select:focus {
    border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.18); outline: none;
}
.field textarea { resize: vertical; min-height: 120px; }
.field .helper { font-size: 0.8rem; color: var(--c-text-soft); margin-top: 6px; }

.alert {
    padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid transparent;
    display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem;
}
.alert-success { background: #ECFDF5; border-color: #A7F3D0; color: #065F46; }
.alert-error   { background: #FEF2F2; border-color: #FECACA; color: #991B1B; }

/* ---------- Contact info grid ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1.2fr 0.8fr; gap: 48px; } }
.info-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.info-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--c-text); }
.info-list svg { color: var(--c-accent-600); flex: 0 0 auto; margin-top: 2px; }
.info-list a { color: var(--c-text); }
.info-list a:hover { color: var(--c-accent-600); }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--c-primary); color: rgba(255,255,255,0.85);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid; gap: 32px;
    grid-template-columns: 1fr;
}
@media (min-width: 720px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; } }

.footer-brand-row { display: flex; align-items: center; gap: 12px; color: #fff; font-family: 'Poppins', sans-serif; font-size: 1.1rem; }
.footer-desc { color: rgba(255,255,255,0.75); font-size: 0.95rem; max-width: 38ch; margin-top: 12px; }
.footer-social { display: flex; gap: 8px; margin-top: 16px; }
.footer-social a {
    width: 40px; height: 40px; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.06); color: #fff;
    transition: background 150ms var(--ease-out);
}
.footer-social a:hover { background: var(--c-accent); color: #fff; }

.footer-title { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0 0 16px; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-list a { color: rgba(255,255,255,0.78); }
.footer-list a:hover { color: var(--c-gold); }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: rgba(255,255,255,0.85); }
.footer-contact svg { color: var(--c-accent); flex: 0 0 auto; }

.footer-bottom { margin-top: 48px; border-top: 1px solid rgba(255,255,255,0.10); padding: 20px 0; }
.footer-bottom-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; color: rgba(255,255,255,0.65); font-size: 0.85rem; }

/* ---------- WhatsApp floating ---------- */
.wa-float {
    position: fixed; bottom: 20px; right: 20px; z-index: 90;
    background: #25D366; color: #fff;
    border-radius: 999px; padding: 12px 18px;
    display: inline-flex; align-items: center; gap: 8px;
    box-shadow: 0 10px 24px rgba(37, 211, 102, 0.35);
    transition: transform 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
    min-height: 48px;
}
.wa-float:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 14px 28px rgba(37, 211, 102, 0.45); }
.wa-float-text { font-weight: 600; font-size: 0.9rem; }
@media (max-width: 540px) { .wa-float-text { display: none; } }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; } .mt-2 { margin-top: 16px; } .mt-4 { margin-top: 32px; }
.grid-2 { display: grid; gap: 24px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

.badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--c-primary-50); color: var(--c-primary);
    padding: 4px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 500;
}