/* ==========================================================================
   GRUPO FIDUCIA · Hoja de estilos principal
   Paleta base (editable en un solo lugar)
   ========================================================================== */

:root {
    /* Paleta oficial Grupo Fiducia — extraída del logo */
    --color-primary: #547D2E;        /* Verde corporativo (logo) */
    --color-primary-dark: #3D5D1E;   /* Verde profundo — fondos */
    --color-primary-darker: #26400F; /* Verde muy oscuro — hero/footer */
    --color-primary-light: #6B9A3E;
    --color-accent: #495969;         /* Azul pizarra (versión alterna logo) */
    --color-accent-dark: #34404C;
    --color-accent-light: #6B7B8C;
    --color-cream: #F5F3EC;          /* Crema cálido neutro */
    --color-cream-dark: #E9E5D6;
    --color-text: #1A1A1A;
    --color-text-soft: #55606B;
    --color-white: #FFFFFF;
    --color-border: #E3E1D4;

    --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    /* Alias para retrocompatibilidad con reglas previas */
    --font-serif: var(--font-display);

    --container: 1200px;
    --radius: 8px;
    --radius-lg: 14px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,.06);
    --shadow-md: 0 8px 30px rgba(0,0,0,.08);
    --transition: .25s ease;
}

/* ============ RESET ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
h1,h2,h3,h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.025em;
    color: var(--color-primary);
    margin: 0 0 .6em;
}
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 3.8vw, 2.75rem); font-weight: 700; letter-spacing: -0.03em; }
h3 { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
p  { margin: 0 0 1em; }
ul { padding: 0; margin: 0; list-style: none; }

.container { width: 92%; max-width: var(--container); margin: 0 auto; }

/* ============ BOTONES ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .85rem 1.6rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .95rem;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    line-height: 1.2;
}
.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
}
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-white); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(84,125,46,.3); }
.btn-primary-sm {
    display: inline-block;
    padding: .7rem 1.2rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .9rem;
    transition: var(--transition);
}
.btn-primary-sm:hover { background: var(--color-white); color: var(--color-primary); }
.btn-ghost {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,.5);
}
.btn-ghost:hover { background: var(--color-white); color: var(--color-primary); }
.btn-whatsapp {
    background: #25D366;
    color: var(--color-white);
    padding: .6rem 1.1rem;
    font-size: .9rem;
}
.btn-whatsapp:hover { background: #1fb855; }
.btn-large { padding: 1.1rem 2rem; font-size: 1.05rem; }

/* ============ HEADER ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.97);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}
.logo {
    display: flex;
    align-items: center;
    gap: .7rem;
    font-weight: 700;
}
.logo img {
    height: 48px;
    width: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
}
@media (max-width: 720px) {
    .logo img { height: 38px; }
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.main-nav a {
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition);
    font-size: .95rem;
}
.main-nav a:hover { color: var(--color-accent-dark); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
}
.nav-toggle span {
    width: 26px; height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ============ HERO ============ */
.hero {
    position: relative;
    min-height: 88vh;
    display: grid;
    place-items: center;
    color: var(--color-white);
    background:
        linear-gradient(120deg, rgba(38,64,15,.92) 0%, rgba(73,89,105,.78) 100%),
        url('https://images.unsplash.com/photo-1625246333195-78d9c38ad449?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    padding: 6rem 0 5rem;
    text-align: left;
}
.hero-content { max-width: 820px; }
.eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: .78rem;
    color: #B9D68A;
    font-weight: 600;
    margin-bottom: 1.2rem;
    padding: .4rem .9rem;
    border: 1px solid rgba(185,214,138,.4);
    border-radius: 4px;
    background: rgba(185,214,138,.08);
}
.hero h1 { color: var(--color-white); margin-bottom: 1.2rem; }
.hero-subtitle {
    font-size: 1.15rem;
    max-width: 700px;
    color: rgba(255,255,255,.88);
    margin-bottom: 2rem;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: .9rem;
    color: #B9D68A;
    font-weight: 500;
}

/* ============ SECCIONES ============ */
.section { padding: 5rem 0; }
.section-cream { background: var(--color-cream); }
.section-dark {
    background: var(--color-primary-darker);
    color: var(--color-white);
}
.section-dark h2,
.section-dark h3 { color: var(--color-white); }
.section-dark .section-intro { color: rgba(255,255,255,.85); }

.section-head { max-width: 780px; margin-bottom: 3rem; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-tag {
    display: inline-block;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: .8rem;
    padding: .35rem .9rem;
    background: var(--color-cream);
    border-radius: 4px;
}
.section-tag.light {
    background: rgba(185,214,138,.12);
    color: #B9D68A;
    border: 1px solid rgba(185,214,138,.25);
}
.section-intro {
    font-size: 1.1rem;
    color: var(--color-text-soft);
    line-height: 1.75;
}

/* ============ MISIÓN / VISIÓN ============ */
.mv-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.mv-card {
    background: var(--color-cream);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border-left: 5px solid var(--color-primary);
}
.mv-card h3 { color: var(--color-primary); margin-bottom: 1rem; }
.mv-tag {
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--color-border);
    font-style: italic;
    color: var(--color-primary);
    font-weight: 500;
}

/* ============ DIFERENCIAL ============ */
.quote {
    max-width: 900px;
    margin: 2rem auto;
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 2.5vw, 1.85rem);
    line-height: 1.4;
    font-weight: 500;
    color: #D8E8BB;
    text-align: center;
    padding: 2rem;
    border-top: 2px solid rgba(216,232,187,.4);
    border-bottom: 2px solid rgba(216,232,187,.4);
    letter-spacing: -0.015em;
}
.diff-text {
    max-width: 850px;
    margin: 2rem auto 0;
    text-align: center;
    color: rgba(255,255,255,.88);
    font-size: 1.08rem;
    line-height: 1.8;
}

/* ============ UNIDADES ============ */
.units-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.unit-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 2.2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.unit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.unit-icon {
    width: 60px; height: 60px;
    display: grid; place-items: center;
    background: var(--color-cream);
    color: var(--color-primary);
    border-radius: var(--radius);
    margin-bottom: 1.2rem;
}
.unit-icon svg { width: 32px; height: 32px; }
.unit-card h3 { color: var(--color-primary); margin-bottom: .8rem; }
.unit-lead {
    color: var(--color-text-soft);
    margin-bottom: 1.2rem;
}
.unit-services {
    margin-bottom: 1.5rem;
    flex-grow: 1;
}
.unit-services li {
    position: relative;
    padding: .4rem 0 .4rem 1.3rem;
    font-size: .93rem;
    color: var(--color-text-soft);
    border-bottom: 1px dashed var(--color-border);
}
.unit-services li:last-child { border-bottom: none; }
.unit-services li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}
.unit-services strong { color: var(--color-primary-dark); }
.unit-cta {
    color: var(--color-primary);
    font-weight: 600;
    font-size: .95rem;
    padding-top: .5rem;
    transition: var(--transition);
}
.unit-cta:hover { color: var(--color-accent); transform: translateX(4px); }

/* ============ POR QUÉ ============ */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.why-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.why-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.why-num {
    font-family: var(--font-display);
    font-size: 2.4rem;
    color: var(--color-primary);
    font-weight: 800;
    margin-bottom: .5rem;
    letter-spacing: -0.04em;
    line-height: 1;
}
.why-item h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 .6rem;
}
.why-item p { color: var(--color-text-soft); font-size: .95rem; margin: 0; }

/* ============ DIAGNÓSTICOS ============ */
.diag-band {
    background:
        linear-gradient(135deg, rgba(38,64,15,.94), rgba(73,89,105,.82)),
        url('https://images.unsplash.com/photo-1500937386664-56d1dfef3854?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
    color: var(--color-white);
}
.diag-band h2 { color: var(--color-white); }
.diag-band .section-intro { color: rgba(255,255,255,.88); }

.diag-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
    margin-top: 2rem;
}
.diag-card {
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(185,214,138,.22);
    padding: 2rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.diag-card:hover { background: rgba(255,255,255,.12); border-color: #B9D68A; transform: translateY(-3px); }
.diag-card h3 { color: #D8E8BB; font-size: 1.35rem; margin-bottom: .8rem; }
.diag-card p { color: rgba(255,255,255,.88); font-size: .95rem; margin-bottom: 1.5rem; }

/* ============ ZONA ============ */
.zona-inner { text-align: center; }
.zona-inner .section-head { margin-left: auto; margin-right: auto; text-align: center; }
.provinces {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}
.provinces span {
    padding: .8rem 1.6rem;
    background: var(--color-cream);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-weight: 600;
    color: var(--color-primary);
    transition: var(--transition);
}
.provinces span:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ============ CONTACTO ============ */
.contact-inner {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 4rem;
    align-items: center;
}
.contact-copy h2 { color: var(--color-white); }
.contact-copy p { color: rgba(255,255,255,.88); font-size: 1.05rem; }
.contact-note {
    margin-top: 1.2rem;
    font-size: .85rem;
    color: rgba(255,255,255,.6);
}
.contact-list {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(185,214,138,.22);
    padding: 2rem;
    border-radius: var(--radius-lg);
}
.contact-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.contact-list li:last-child { border-bottom: none; }
.contact-label {
    display: block;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #B9D68A;
    font-weight: 600;
    margin-bottom: .3rem;
}
.contact-list a { color: var(--color-white); transition: var(--transition); }
.contact-list a:hover { color: #B9D68A; }

/* ============ FOOTER ============ */
.site-footer {
    background: var(--color-primary-darker);
    color: rgba(255,255,255,.75);
    padding: 3rem 0 2rem;
    border-top: 3px solid var(--color-primary);
}
.site-footer .footer-logo {
    height: 52px;
    width: auto;
    margin-bottom: 1rem;
    opacity: .95;
    image-rendering: -webkit-optimize-contrast;
}
.footer-inner {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}
.footer-brand p {
    font-size: .9rem;
    margin: 0;
    max-width: 420px;
    color: rgba(255,255,255,.7);
}
.footer-nav {
    display: flex;
    flex-direction: column;
    gap: .6rem;
    align-items: flex-end;
}
.footer-nav a { font-size: .9rem; transition: var(--transition); }
.footer-nav a:hover { color: #B9D68A; }
.footer-copy {
    grid-column: 1 / -1;
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: .85rem;
    color: rgba(255,255,255,.5);
}

/* ============ WHATSAPP FLOTANTE ============ */
.wa-float {
    position: fixed;
    bottom: 25px; right: 25px;
    width: 60px; height: 60px;
    background: #25D366;
    color: var(--color-white);
    display: grid; place-items: center;
    border-radius: 50%;
    box-shadow: 0 6px 20px rgba(37,211,102,.4);
    z-index: 99;
    transition: var(--transition);
    animation: wa-pulse 2.5s infinite;
}
.wa-float:hover { background: #1fb855; transform: scale(1.08); }
@keyframes wa-pulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(37,211,102,.4); }
    50% { box-shadow: 0 6px 28px rgba(37,211,102,.7); }
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
    .mv-grid, .units-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .diag-grid { grid-template-columns: 1fr; }
    .contact-inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-nav { align-items: flex-start; }
}
@media (max-width: 720px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: 100%; left: 0; right: 0;
        flex-direction: column;
        background: var(--color-white);
        padding: 1.5rem;
        gap: 1.2rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    .main-nav.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .hero { padding: 4.5rem 0 3.5rem; min-height: auto; }
    .section { padding: 3.5rem 0; }
    .why-grid { grid-template-columns: 1fr; }
    .hero-ctas { flex-direction: column; align-items: flex-start; }
    .hero-ctas .btn { width: 100%; justify-content: center; }
    .wa-float { width: 54px; height: 54px; bottom: 18px; right: 18px; }
}