/* =========================================================
   SF Consultoría en Sostenibilidad y Gestión de Riesgos
   Identidad visual "Blanco Científico"
   ========================================================= */

/* ----- Design tokens ----- */
:root {
    --blanco:       #F7F5EE;
    --azul:         #0B1F33;
    --verde:        #2F6B3F;
    --verde-suave:  #DCEBDD;
    --verde-claro:  #7FB489;  /* acentos sobre fondos oscuros */
    --gris:         #5C6460;
    --tierra:       #FAF7ED;

    --font-titulo: 'Montserrat', sans-serif;
    --font-texto:  'Inter', sans-serif;

    --radius:   6px;
    --shadow:   0 2px 16px rgba(11,31,51,.07);
    --shadow-sm:0 1px 6px  rgba(11,31,51,.05);

    --transition: .22s ease;

    --max-w: 1140px;
    --gap:   clamp(1.5rem, 4vw, 2.5rem);

    --header-h: 92px;
}

/* ----- Reset mínimo ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-texto);
    font-size: 1rem;
    line-height: 1.65;
    color: var(--azul);
    background: var(--blanco);
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }

/* ----- Tipografía ----- */
h1, h2, h3, h4 {
    font-family: var(--font-titulo);
    font-weight: 700;
    color: var(--azul);
    line-height: 1.25;
}
h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.25rem); font-weight: 600; }
p  { color: var(--gris); }

/* ----- Layout helpers ----- */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 clamp(1rem, 5vw, 2rem);
}
.section-pad { padding: clamp(4rem, 8vw, 6rem) 0; }

/* ----- Botones ----- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .7rem 1.6rem;
    border-radius: var(--radius);
    font-family: var(--font-titulo);
    font-weight: 600;
    font-size: .95rem;
    transition: background var(--transition), color var(--transition),
                box-shadow var(--transition), transform var(--transition);
}
.btn-primary {
    background: var(--verde);
    color: #fff;
    border: 2px solid var(--verde);
}
.btn-primary:hover {
    background: #245232;
    border-color: #245232;
    box-shadow: 0 4px 14px rgba(47,107,63,.3);
    transform: translateY(-1px);
}
.btn-secondary {
    background: transparent;
    color: var(--azul);
    border: 2px solid var(--azul);
}
.btn-secondary:hover {
    background: var(--azul);
    color: #fff;
    transform: translateY(-1px);
}
.btn-outline-verde {
    background: transparent;
    color: var(--verde);
    border: 2px solid var(--verde);
}
.btn-outline-verde:hover {
    background: var(--verde);
    color: #fff;
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--blanco);
    border-bottom: 1px solid rgba(47,107,63,.15);
    height: var(--header-h);
    display: flex;
    align-items: center;
    transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 clamp(1rem, 5vw, 2rem);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: .6rem;
    flex-shrink: 0;
}
.logo-link img { height: 54px; width: auto; }

.main-nav { display: flex; align-items: center; gap: .2rem; }
.main-nav a {
    padding: .4rem .75rem;
    font-size: .9rem;
    font-family: var(--font-titulo);
    font-weight: 500;
    color: var(--azul);
    border-radius: var(--radius);
    transition: color var(--transition), background var(--transition);
}
.main-nav a:hover { color: var(--verde); background: var(--verde-suave); }

.btn-cta-header {
    padding: .5rem 1.2rem;
    font-size: .9rem;
    flex-shrink: 0;
}

/* Hamburguesa */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}
.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--azul);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Menú mobile oculto por defecto en desktop */
.mobile-nav { display: none; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
    position: relative;
    padding: clamp(2.5rem, 5vw, 4rem) 0 clamp(3rem, 6vw, 5rem);
    overflow: hidden;
    background: var(--blanco);
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: .45;
}
.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gap);
    align-items: center;
}
.hero-content { max-width: 560px; }
.hero-label {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    font-family: var(--font-titulo);
    font-weight: 600;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--verde);
    margin-bottom: .9rem;
}
.hero-label::before {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--verde);
    border-radius: 2px;
}
.hero h1 { margin-bottom: 1.2rem; }
.hero-lead {
    font-size: 1.05rem;
    color: var(--gris);
    margin-bottom: .9rem;
    line-height: 1.7;
}
.hero-support {
    font-size: .9rem;
    color: var(--gris);
    margin-bottom: 1.8rem;
    padding-left: .9rem;
    border-left: 3px solid var(--verde-suave);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.6rem; }
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem 1.2rem;
    font-size: .82rem;
    color: var(--gris);
}
.hero-trust span {
    display: flex;
    align-items: center;
    gap: .35rem;
}
.hero-trust svg { color: var(--verde); flex-shrink: 0; }

.hero-visual {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.hero-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem 1.8rem;
    border-top: 4px solid var(--verde);
    max-width: 340px;
    width: 100%;
}
.hero-card-title {
    font-family: var(--font-titulo);
    font-weight: 700;
    font-size: 1rem;
    color: var(--azul);
    margin-bottom: 1rem;
}
.hero-card-items { display: flex; flex-direction: column; gap: .6rem; }
.hero-card-item {
    display: flex;
    align-items: flex-start;
    gap: .55rem;
    font-size: .88rem;
    color: var(--gris);
}
.hero-card-item svg { color: var(--verde); flex-shrink: 0; margin-top: 2px; }

/* ----- Hero paragraphs ----- */
.hero-para {
    font-size: .92rem;
    color: var(--gris);
    margin-bottom: .85rem;
    line-height: 1.75;
}
.hero-para:last-of-type { margin-bottom: 1.6rem; }

/* =========================================================
   POR QUÉ AHORA
   ========================================================= */
.por-que-ahora {
    background: var(--verde-suave);
    border-top: 1px solid rgba(47,107,63,.12);
    border-bottom: 1px solid rgba(47,107,63,.12);
}
.por-que-ahora .section-header { max-width: 680px; margin-bottom: 2.5rem; }
.pqa-text { max-width: 740px; margin-bottom: 2rem; }
.pqa-text p { margin-bottom: .9rem; }
.pqa-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin-top: 2rem;
}
.pqa-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 1.4rem 1.2rem;
    box-shadow: var(--shadow-sm);
    border-left: 3px solid var(--verde);
    transition: box-shadow var(--transition), transform var(--transition);
}
.pqa-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.pqa-card svg { color: var(--verde); margin-bottom: .6rem; }
.pqa-card h3 { font-size: .95rem; margin-bottom: .3rem; }
.pqa-card p  { font-size: .85rem; }

/* =========================================================
   SERVICIOS
   ========================================================= */
.servicios { background: var(--verde-suave); }
.servicios .section-header { text-align: center; max-width: 600px; margin: 0 auto 3rem; }
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}
.servicio-card {
    background: #fff;
    border: 1px solid rgba(47,107,63,.13);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), border-color var(--transition);
    overflow: hidden;
}
.servicio-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--verde);
}

/* Tarjeta interactiva con <details> */
.servicio-card--interactive details {
    display: flex;
    flex-direction: column;
    height: 100%;
}
.servicio-card--interactive summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .8rem;
    padding: 1.4rem 1.2rem;
    cursor: pointer;
    list-style: none;
    min-height: 100px;
}
.servicio-card--interactive summary::-webkit-details-marker { display: none; }
.servicio-card-header {
    display: flex;
    align-items: center;
    gap: .85rem;
    flex: 1;
}
.servicio-toggle-icon {
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--verde);
    border-bottom: 2px solid var(--verde);
    transform: rotate(45deg);
    transition: transform .2s ease;
    margin-right: 2px;
    margin-top: -2px;
}
.servicio-card--interactive details[open] .servicio-toggle-icon {
    transform: rotate(-135deg);
    margin-top: 2px;
}
.servicio-card--interactive summary:hover { background: rgba(47,107,63,.04); }
.servicio-body {
    padding: 0 1.2rem 1.2rem 1.2rem;
    border-top: 1px solid rgba(47,107,63,.1);
}
.servicio-body p  { font-size: .88rem; margin-bottom: .6rem; }
.servicio-body ul { padding-left: .1rem; display: flex; flex-direction: column; gap: .35rem; margin-top: .6rem; }
.servicio-body ul li {
    font-size: .86rem;
    color: var(--gris);
    padding-left: 1rem;
    position: relative;
}
.servicio-body ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: .55em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--verde);
    flex-shrink: 0;
}

.servicio-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--verde-suave);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.servicio-icon svg { color: var(--verde); }
.servicio-card h3 { font-size: .97rem; color: var(--azul); }
.servicio-card p  { font-size: .88rem; }
.servicio-tag {
    align-self: flex-start;
    font-size: .75rem;
    font-family: var(--font-titulo);
    font-weight: 600;
    letter-spacing: .05em;
    color: var(--verde);
    background: var(--verde-suave);
    padding: .2rem .6rem;
    border-radius: 20px;
}

/* =========================================================
   EMPRESA
   ========================================================= */
.empresa { background: var(--blanco); }
.empresa .section-header { max-width: 560px; margin-bottom: 2.5rem; }

.empresa-bloques {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 780px;
    margin-bottom: 3rem;
}
.empresa-bloque h3 {
    color: var(--azul);
    margin-bottom: .6rem;
    font-size: clamp(1.05rem, 2vw, 1.2rem);
}
.empresa-bloque p {
    margin-bottom: .65rem;
    font-size: .95rem;
    line-height: 1.75;
}

/* ----- Acordeón valores ----- */
.empresa-valores-wrap { max-width: 780px; }
.empresa-valores-heading {
    font-family: var(--font-titulo);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--verde);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.empresa-valores-heading::before {
    content: '';
    display: block;
    width: 18px;
    height: 2px;
    background: var(--verde);
    border-radius: 2px;
}
.empresa-valores { border-top: 1px solid rgba(47,107,63,.15); }
.empresa-valor { border-bottom: 1px solid rgba(47,107,63,.15); }
.empresa-valor summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .85rem 0;
    cursor: pointer;
    list-style: none;
    font-family: var(--font-titulo);
    font-weight: 600;
    font-size: .95rem;
    color: var(--azul);
    transition: color var(--transition);
    gap: 1rem;
}
.empresa-valor summary::-webkit-details-marker { display: none; }
.empresa-valor summary::after {
    content: '';
    flex-shrink: 0;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--verde);
    border-bottom: 2px solid var(--verde);
    transform: rotate(45deg);
    transition: transform .2s ease;
    margin-right: 2px;
}
.empresa-valor[open] > summary { color: var(--verde); }
.empresa-valor[open] > summary::after { transform: rotate(-135deg); }
.empresa-valor summary:hover { color: var(--verde); }
.empresa-valor-body {
    padding: 0 1.2rem .9rem 0;
}
.empresa-valor-body p {
    font-size: .9rem;
    color: var(--gris);
    line-height: 1.75;
}

/* =========================================================
   ENFOQUE
   ========================================================= */
.enfoque { background: var(--verde-suave); }
.enfoque .section-header { max-width: 560px; margin-bottom: 3rem; }
.enfoque-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.4rem;
    counter-reset: steps;
    position: relative;
}
.enfoque-step {
    background: #fff;
    border-radius: var(--radius);
    padding: 1.8rem 1.6rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    counter-increment: steps;
}
.enfoque-step::before {
    content: counter(steps, decimal-leading-zero);
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-family: var(--font-titulo);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--verde-suave);
    line-height: 1;
}
.enfoque-step-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--verde-suave);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.enfoque-step-icon svg { color: var(--verde); }
.enfoque-step h3 { margin-bottom: .5rem; }
.enfoque-step p  { font-size: .9rem; }

/* =========================================================
   EQUIPO
   ========================================================= */
.equipo { background: var(--azul); }
.equipo h2, .equipo h3 { color: var(--blanco); }
.equipo .section-label { color: var(--verde-claro); }
.equipo .section-label::before { background: var(--verde-claro); }
.equipo p { color: rgba(255,255,255,.75); }
.equipo-intro { max-width: 700px; margin-bottom: 2.5rem; }
.equipo-intro p { color: rgba(255,255,255,.8); font-size: 1rem; line-height: 1.75; }
.equipo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
}
.perfil-card {
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius);
    padding: 1.8rem 1.6rem;
    transition: background var(--transition), border-color var(--transition);
}
.perfil-card:hover {
    background: rgba(255,255,255,.11);
    border-color: rgba(127,180,137,.5);  /* --verde-claro al 50% */
}
.perfil-monograma {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--verde-claro);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-titulo);
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 1rem;
    flex-shrink: 0;
}
.perfil-foto {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    margin-bottom: 1.2rem;
    border: 3px solid rgba(47,107,63,.5);
    flex-shrink: 0;
}
.perfil-nombre {
    font-family: var(--font-titulo);
    font-weight: 700;
    font-size: 1.05rem;
    color: #fff;
    margin-bottom: .4rem;
}
.perfil-titulos {
    font-size: .85rem;
    color: rgba(255,255,255,.7);
    line-height: 1.6;
}
.perfil-titulos li {
    display: flex;
    align-items: flex-start;
    gap: .4rem;
    padding: .2rem 0;
}
.perfil-titulos li::before {
    content: '';
    display: block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--verde-claro);
    flex-shrink: 0;
    margin-top: .5em;
}

/* Perfil desplegable — acordeón en tarjeta de fondo oscuro */
.perfil-details {
    margin-top: 1rem;
    border-top: 1px solid rgba(255,255,255,.1);
}
.perfil-details summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .6rem;
    padding: .65rem 0;
    cursor: pointer;
    font-size: .82rem;
    font-weight: 500;
    color: var(--verde-claro);
    letter-spacing: .02em;
    transition: color var(--transition);
}
.perfil-details summary::-webkit-details-marker { display: none; }
.perfil-details-icon {
    flex-shrink: 0;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--verde-claro);
    border-bottom: 2px solid var(--verde-claro);
    transform: rotate(45deg);
    transition: transform .2s ease, border-color var(--transition);
    margin-top: -3px;
}
.perfil-details[open] .perfil-details-icon {
    transform: rotate(-135deg);
    margin-top: 3px;
}
.perfil-details summary:hover { color: #fff; }
.perfil-details summary:hover .perfil-details-icon { border-color: #fff; }
.perfil-details-body {
    padding: .65rem 0 .3rem;
}
.perfil-details-body p {
    font-size: .83rem;
    color: rgba(255,255,255,.72);
    line-height: 1.75;
}

/* =========================================================
   EXPO
   ========================================================= */
.expo {
    background: var(--verde-suave);
    border-top: 4px solid var(--verde);
    position: relative;
    overflow: hidden;
}
.expo::before {
    content: '2026';
    position: absolute;
    right: -1rem;
    bottom: -1rem;
    font-family: var(--font-titulo);
    font-size: 10rem;
    font-weight: 700;
    color: rgba(47,107,63,.06);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}
.expo-inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--gap);
    align-items: center;
}
.expo-content { max-width: 600px; }
.expo-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--verde);
    color: #fff;
    padding: .35rem .9rem;
    border-radius: 20px;
    font-family: var(--font-titulo);
    font-weight: 600;
    font-size: .8rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}
.expo h2 { margin-bottom: 1rem; }
.expo p  { margin-bottom: .8rem; }
.expo-fecha {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-titulo);
    font-weight: 600;
    font-size: .9rem;
    color: var(--verde);
    margin-bottom: 1.5rem;
}
.expo-fecha svg { flex-shrink: 0; }
.expo-datos {
    display: flex;
    flex-direction: column;
    gap: .75rem;
    background: var(--verde-suave);
    border-left: 3px solid var(--verde);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 1rem 1.2rem;
    margin-bottom: 1.8rem;
}
.expo-dato {
    display: flex;
    align-items: flex-start;
    gap: .55rem;
    font-size: .9rem;
    color: var(--azul);
}
.expo-dato svg { color: var(--verde); flex-shrink: 0; margin-top: 2px; }
.expo-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: .8rem;
    align-items: center;
}
.expo-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    text-align: center;
}
.expo-lugar {
    background: #fff;
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
    box-shadow: var(--shadow);
    min-width: 180px;
    text-align: center;
}
.expo-lugar-titulo {
    font-family: var(--font-titulo);
    font-weight: 700;
    font-size: 1rem;
    color: var(--azul);
    margin-bottom: .3rem;
}
.expo-lugar-sub { font-size: .82rem; color: var(--gris); }

/* =========================================================
   CONTACTO
   ========================================================= */
.contacto { background: var(--blanco); }
.contacto-inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: clamp(2rem, 6vw, 4rem);
    align-items: start;
}
.contacto-info h2 { margin-bottom: .8rem; }
.contacto-info > p { margin-bottom: 1.8rem; }

.contacto-dato {
    display: flex;
    align-items: flex-start;
    gap: .8rem;
    margin-bottom: 1.2rem;
}
.contacto-dato svg { color: var(--verde); flex-shrink: 0; margin-top: 3px; }
.contacto-dato strong { display: block; font-size: .82rem; font-weight: 600; color: var(--azul); }
.contacto-dato a, .contacto-dato span { font-size: .9rem; color: var(--gris); }
.contacto-dato a:hover { color: var(--verde); }

.contacto-redes {
    display: flex;
    gap: .8rem;
    margin-top: 1.4rem;
}
.red-link {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .85rem;
    font-family: var(--font-titulo);
    font-weight: 600;
    color: var(--gris);
    padding: .4rem .8rem;
    border: 1px solid rgba(47,107,63,.2);
    border-radius: 20px;
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.red-link svg { color: var(--verde); }
.red-link:hover {
    border-color: var(--verde);
    color: var(--verde);
    background: var(--verde-suave);
}

/* Formulario */
.form-card {
    background: #fff;
    border: 1px solid rgba(47,107,63,.13);
    border-radius: 10px;
    padding: clamp(1.4rem, 4vw, 2.2rem);
    box-shadow: var(--shadow);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .9rem 1rem;
}
.form-field { display: flex; flex-direction: column; gap: .3rem; }
.form-field.full { grid-column: 1 / -1; }
.form-field label {
    font-size: .82rem;
    font-family: var(--font-titulo);
    font-weight: 600;
    color: var(--azul);
}
.form-field label .req { color: var(--verde); margin-left: 2px; }
.form-field input,
.form-field select,
.form-field textarea {
    padding: .65rem .85rem;
    border: 1.5px solid #dde3dc;
    border-radius: var(--radius);
    font-family: var(--font-texto);
    font-size: .92rem;
    color: var(--azul);
    background: var(--blanco);
    transition: border-color var(--transition), box-shadow var(--transition);
    width: 100%;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--verde);
    box-shadow: 0 0 0 3px rgba(47,107,63,.1);
}
.form-field input.is-invalid,
.form-field select.is-invalid,
.form-field textarea.is-invalid { border-color: #c0392b; }
.form-field textarea { resize: vertical; min-height: 100px; }
.form-field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235C6460' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .85rem center; padding-right: 2.2rem; }
.form-error { font-size: .78rem; color: #c0392b; }

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: .55rem;
    cursor: pointer;
    font-size: .85rem;
    color: var(--gris);
}
.form-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: .1rem;
    accent-color: var(--verde);
    border: 1.5px solid #dde3dc;
    border-radius: 3px;
}
.form-actions { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.form-actions .btn { flex: 0 1 auto; min-width: 140px; justify-content: center; }

/* Honeypot — oculto para humanos */
.hp-field { display: none !important; }

/* Mensaje de éxito */
.form-success {
    display: none;
    background: var(--verde-suave);
    border: 1.5px solid var(--verde);
    border-radius: var(--radius);
    padding: 1.4rem 1.2rem;
    text-align: center;
    color: var(--verde);
    font-family: var(--font-titulo);
    font-weight: 600;
    margin-top: 1rem;
}
.form-success.visible { display: block; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
    background: var(--azul);
    color: rgba(255,255,255,.7);
    padding: 3rem 0 1.5rem;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--gap);
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
    margin-bottom: 1.5rem;
}
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; }
.footer-logo-link { margin-bottom: .7rem; display: inline-block; }
.footer-logo-link img { filter: brightness(0) invert(1); height: 48px; width: auto; }
.footer-brand .logo-name { color: rgba(255,255,255,.9); }
.footer-eslogan {
    font-style: italic;
    font-size: .9rem;
    color: rgba(255,255,255,.55);
    line-height: 1.6;
    margin-bottom: .6rem;
}
.footer-desc {
    font-size: .82rem;
    color: rgba(255,255,255,.4);
    line-height: 1.65;
    max-width: 280px;
}
.footer-col h4 {
    font-family: var(--font-titulo);
    font-size: .82rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: rgba(255,255,255,.9);
    margin-bottom: .9rem;
}
.footer-col ul li { margin-bottom: .45rem; }
.footer-col ul li a {
    font-size: .88rem;
    color: rgba(255,255,255,.6);
    transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--verde-claro); }
.footer-redes { display: flex; gap: .6rem; }
.footer-red {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.15);
    color: rgba(255,255,255,.6);
    transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.footer-red:hover {
    border-color: var(--verde);
    color: #fff;
    background: var(--verde);
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem;
    font-size: .8rem;
    color: rgba(255,255,255,.4);
    padding-right: 90px;
}
.footer-dev { color: rgba(255,255,255,.6); }
.footer-dev a { color: rgba(255,255,255,.6); text-decoration: underline; text-underline-offset: 2px; transition: color var(--transition); }
.footer-dev a:hover { color: #fff; }

/* =========================================================
   WHATSAPP FLOTANTE
   ========================================================= */
.wa-float {
    position: fixed;
    bottom: 1.8rem;
    right: 1.8rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: .5rem;
}
.wa-toggle {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: #25D366;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px rgba(37,211,102,.4);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
    position: relative;
    z-index: 1;
}
.wa-toggle:hover {
    transform: scale(1.07);
    box-shadow: 0 6px 22px rgba(37,211,102,.5);
}
.wa-menu {
    display: flex;
    flex-direction: column;
    gap: .4rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px) scale(.95);
    transition: opacity var(--transition), transform var(--transition);
}
.wa-menu.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}
.wa-option {
    display: flex;
    align-items: center;
    gap: .6rem;
    background: #fff;
    border-radius: 30px;
    padding: .5rem .9rem .5rem .55rem;
    box-shadow: var(--shadow);
    font-family: var(--font-titulo);
    font-weight: 600;
    font-size: .85rem;
    color: var(--azul);
    white-space: nowrap;
    transition: box-shadow var(--transition), transform var(--transition);
}
.wa-option:hover { box-shadow: 0 4px 16px rgba(0,0,0,.15); transform: translateX(-3px); }
.wa-option-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.wa-option-icon svg { color: #fff; }

/* =========================================================
   SECTION HEADERS (pattern reutilizable)
   ========================================================= */
.section-header { margin-bottom: 2.5rem; }
.section-label {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .78rem;
    font-family: var(--font-titulo);
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    color: var(--verde);
    margin-bottom: .6rem;
}
.section-label::before {
    content: '';
    display: block;
    width: 18px;
    height: 2px;
    background: var(--verde);
    border-radius: 2px;
}
.section-header h2 { margin-bottom: .55rem; }
.section-desc { font-size: .97rem; color: var(--gris); max-width: 560px; }

/* =========================================================
   ANIMACIONES — IntersectionObserver
   ========================================================= */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .55s ease, transform .55s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}
.fade-up.delay-1 { transition-delay: .1s; }
.fade-up.delay-2 { transition-delay: .2s; }
.fade-up.delay-3 { transition-delay: .3s; }
.fade-up.delay-4 { transition-delay: .4s; }
.fade-up.delay-5 { transition-delay: .5s; }
.fade-up.delay-6 { transition-delay: .6s; }

/* =========================================================
   RESPONSIVE
   ========================================================= */

/* 1280px — ajuste de contenedor ancho */
@media (max-width: 1280px) {
    .main-nav a { padding: .4rem .6rem; font-size: .85rem; }
    .btn-cta-header { padding: .5rem 1rem; font-size: .85rem; }
}

/* 1024px — hero 1 col, contacto, expo, enfoque 2 col */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { justify-content: flex-start; }
    .hero-card { max-width: 100%; }
    .contacto-inner { grid-template-columns: 1fr; }
    .expo-inner { grid-template-columns: 1fr; }
    .expo-visual { display: none; }
    .enfoque-steps { grid-template-columns: repeat(2, 1fr); }
    .equipo-grid { grid-template-columns: repeat(2, 1fr); }
    .servicios-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 768px — nav mobile, 1 col grids, logos mobile */
@media (max-width: 768px) {
    .main-nav,
    .btn-cta-header { display: none; }
    .menu-toggle { display: flex; }

    /* Nav móvil — drawer lateral */
    .mobile-nav {
        position: fixed;
        inset: var(--header-h) 0 0 0;
        background: var(--blanco);
        z-index: 99;
        display: flex;
        flex-direction: column;
        padding: 1.5rem 1.2rem;
        gap: .25rem;
        transform: translateX(100%);
        transition: transform .28s ease;
        overflow-y: auto;
        border-top: 1px solid rgba(47,107,63,.12);
    }
    .mobile-nav.open { transform: translateX(0); }
    .mobile-nav a {
        padding: .8rem 1rem;
        font-family: var(--font-titulo);
        font-weight: 600;
        font-size: 1.05rem;
        color: var(--azul);
        border-radius: var(--radius);
        transition: background var(--transition), color var(--transition);
    }
    .mobile-nav a:hover { background: var(--verde-suave); color: var(--verde); }
    .mobile-nav .btn-primary {
        margin-top: .9rem;
        text-align: center;
        justify-content: center;
        padding: .85rem 1.2rem;
    }

    .form-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .servicios-grid { grid-template-columns: 1fr; }
    .equipo-grid { grid-template-columns: 1fr; }
    .enfoque-steps { grid-template-columns: 1fr; }
    .pqa-grid { grid-template-columns: 1fr; }

    /* WhatsApp flotante — mover a la izquierda en mobile para no tapar CTAs */
    .wa-float { right: auto; left: 1.2rem; }
}

/* 480px — botones a columna */
@media (max-width: 480px) {
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
    .form-actions { flex-direction: column; }
    .form-actions .btn { width: 100%; }
    .expo-ctas { flex-direction: column; }
    .expo-ctas .btn { width: 100%; justify-content: center; }
}

/* ----- Utilidades ----- */
.text-center { text-align: center; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* =========================================================
   Páginas legales (Política de Privacidad / Términos)
   ========================================================= */

.legal-page { background: var(--blanco); }

.legal-body {
    max-width: 760px;
    margin: 0 auto;
}

.legal-back {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .85rem;
    font-weight: 500;
    color: var(--verde);
    margin-bottom: 2rem;
    transition: gap var(--transition);
}
.legal-back:hover { gap: .55rem; }

.legal-body h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
    margin-bottom: .5rem;
}

.legal-date {
    font-size: .85rem;
    color: var(--gris);
    margin-bottom: 2.5rem;
    border-bottom: 1px solid rgba(47,107,63,.15);
    padding-bottom: 1rem;
}

.legal-section { margin-bottom: 2.2rem; }

.legal-section h2 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--verde);
    margin-bottom: .6rem;
    padding-bottom: .3rem;
    border-bottom: 1px solid var(--verde-suave);
}

.legal-section p { margin-bottom: .75rem; line-height: 1.7; }

.legal-section a {
    color: var(--verde);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.legal-section a:hover { color: var(--azul); }

.legal-list {
    list-style: disc;
    padding-left: 1.4rem;
    margin: .5rem 0 .75rem;
}
.legal-list li {
    color: var(--gris);
    margin-bottom: .35rem;
    line-height: 1.6;
}

.legal-footer-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .5rem 1rem;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(47,107,63,.12);
    font-size: .85rem;
    color: var(--gris);
}
.legal-footer-links a {
    color: var(--verde);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.legal-footer-links a:hover { color: var(--azul); }

/* Enlace dentro del checkbox del formulario */
.form-link {
    color: var(--verde);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.form-link:hover { color: var(--azul); }

/* Footer — links legales */
.footer-legal {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: .8rem;
    color: rgba(247,245,238,.55);
}
.footer-legal a {
    color: rgba(247,245,238,.7);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color var(--transition);
}
.footer-legal a:hover { color: var(--blanco); }