/* ============================================================
   GLOBAL — MJ Nutrición
   ============================================================ */

/* --- Variables -------------------------------------------- */
:root {
    --verde:       #3cb043;
    --verde-claro: #5ecf58;
    --verde-dark:  #2a8f2a;
    --crema:       #f7f3ee;
    --crema-dark:  #ede8e0;
    --blanco:      #ffffff;
    --gris:        #6b6b6b;
    --gris-claro:  #f2f2f2;
    --negro:       #1a1a1a;
    --dorado:      #c8a96e;

    --fuente-titulo: 'Lato', sans-serif;
    --fuente-body:   'Lato', sans-serif;

    --radio:    8px;
    --radio-lg: 16px;
    --sombra:   0 4px 24px rgba(0,0,0,.10);
    --sombra-lg:0 8px 48px rgba(0,0,0,.14);

    --navbar-h: 72px;
    --cinta-h:  36px;
    --transicion: .3s ease;
}

/* --- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--fuente-body);
    color: var(--negro);
    background: var(--blanco);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* --- Utilidades -------------------------------------------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ============================================================
   CINTA ANIMADA
   ============================================================ */
.cinta-encabezado {
    background: var(--cinta-bg, var(--verde));
    color: var(--cinta-color, var(--blanco));
    font-size: .78rem;
    font-weight: 500;
    letter-spacing: .06em;
    height: var(--cinta-h);
    overflow: hidden;
    display: flex;
    align-items: center;
}
.cinta-track {
    display: flex;
    white-space: nowrap;
    animation: cinta-scroll 22s linear infinite;
}
.cinta-track span {
    padding: 0 3rem;
}
@keyframes cinta-scroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-33.3333%); }
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
    position: sticky;
    top: 0;
    z-index: 10050;
    background: var(--blanco);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transicion), box-shadow var(--transicion);
    height: var(--navbar-h);
}
.navbar.scrolled {
    border-color: var(--crema-dark);
    box-shadow: var(--sombra);
}
.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.navbar-logo {
    display: flex;
    align-items: center;
}
.navbar-logo-img {
    height: 52px;
    width: auto;
    display: block;
}
.logo-mj {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--verde);
}
.logo-nutricion {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gris);
}
.navbar-menu ul {
    display: flex;
    align-items: center;
    gap: 1.75rem;
}
.navbar-menu a {
    font-size: .9rem;
    font-weight: 500;
    color: var(--negro);
    padding: .25rem 0;
    border-bottom: 2px solid transparent;
    transition: color var(--transicion), border-color var(--transicion);
}
.navbar-menu a:hover,
.navbar-menu a.activo {
    color: var(--verde);
    border-color: var(--verde);
}
.btn-nav-cta {
    background: var(--verde) !important;
    color: var(--blanco) !important;
    border-radius: 50px !important;
    padding: .45rem 1.25rem !important;
    border-bottom: none !important;
    transition: background var(--transicion) !important;
}
.btn-nav-cta:hover { background: var(--verde-dark) !important; }
.btn-nav-salir {
    color: var(--gris) !important;
    font-size: .82rem !important;
    border-bottom: none !important;
}
.btn-nav-salir:hover { color: #c0392b !important; }

/* Hamburguesa */
.navbar-toggle {
    display: none;
    position: relative;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    z-index: 10200;
}
.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--negro);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}
.navbar-toggle.activo span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.navbar-toggle.activo span:nth-child(2) { opacity: 0; }
.navbar-toggle.activo span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── Overlay móvil del nav ── */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.3);
    z-index: 9990;
}
.nav-overlay.abierto { display: block; }

/* Botón ✕ — oculto por defecto, visible solo en mobile cuando drawer abierto */
.nav-close-btn { display: none; }

@media (max-width: 991px) {
    .navbar-toggle { display: flex; }
    .navbar-toggle.activo { opacity: 0; pointer-events: none; }

    .navbar-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 270px;
        height: 100%;
        max-height: 100dvh;
        background: #fff;
        box-shadow: -8px 0 32px rgba(0,0,0,.15);
        transform: translateX(100%);
        transition: transform .3s cubic-bezier(.4,0,.2,1);
        z-index: 10100;
        overflow-y: auto;
        overscroll-behavior: contain;
        padding-top: 64px;
    }
    .navbar-menu.abierto { transform: translateX(0); }

    /* Botón ✕ dentro del drawer */
    .nav-close-btn {
        display: flex;
        position: absolute;
        top: 14px;
        right: 14px;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: #f3f4f6;
        border: none;
        cursor: pointer;
        font-size: 1rem;
        align-items: center;
        justify-content: center;
        color: #6b7280;
        z-index: 10101;
        transition: background .15s;
    }
    .nav-close-btn:hover { background: #e5e7eb; color: #111; }

    /* Lista */
    .navbar-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0 0 2rem;
    }
    .navbar-menu ul li a {
        display: block;
        font-size: .97rem;
        font-weight: 500;
        padding: .8rem 1.5rem;
        color: #111;
        border-left: 3px solid transparent;
        transition: color .15s, background .15s, border-color .15s;
    }
    .navbar-menu ul li a:hover {
        color: var(--verde);
        background: #f4fdf4;
        border-left-color: var(--verde);
    }

    /* Separador antes del perfil */
    .navbar-menu ul li.nav-perfil-wrap {
        border-top: 1px solid #f0f0f0;
        margin-top: .5rem;
    }
}

/* Dropdown de perfil en navbar */
.nav-perfil-wrap { position: relative; }
.nav-perfil-btn {
    display: flex;
    align-items: center;
    gap: .5rem;
    background: none;
    border: 1.5px solid var(--verde);
    border-radius: 50px;
    padding: .3rem .75rem .3rem .3rem;
    cursor: pointer;
    color: var(--negro);
    font-family: var(--fuente-body);
    font-size: .85rem;
    font-weight: 600;
    transition: background var(--transicion);
}
.nav-perfil-btn:hover { background: rgba(60,176,67,.08); }
.nav-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--verde);
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nav-perfil-nombre { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: #fff;
    border: 1px solid #e8eef3;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,.12);
    min-width: 200px;
    padding: .5rem;
    z-index: 10300;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-6px);
    transition: opacity .18s, transform .18s;
}
.nav-dropdown.abierto {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}
.nav-dropdown a {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .6rem .85rem;
    font-size: .875rem;
    font-weight: 500;
    color: var(--negro);
    border-radius: 8px;
    border-bottom: none !important;
    transition: background .15s;
}
.nav-dropdown a:hover { background: rgba(60,176,67,.08); color: var(--verde); }
.nav-dropdown-sep { height: 1px; background: #eef2f5; margin: .35rem .5rem; }
.nav-dropdown-salir { color: #e57373 !important; }
.nav-dropdown-salir:hover { background: rgba(229,115,115,.08) !important; color: #e57373 !important; }

@media (max-width: 991px) {
    /* Botón de perfil mobile */
    .nav-perfil-btn {
        width: 100%;
        border-radius: 0;
        padding: .8rem 1.5rem;
        justify-content: flex-start;
        gap: .75rem;
        background: none;
        border-left: 3px solid transparent;
    }
    .nav-perfil-btn:hover { background: #f5fdf5; }
    .nav-avatar {
        width: 34px;
        height: 34px;
        font-size: .88rem;
        flex-shrink: 0;
    }
    .nav-perfil-nombre {
        display: block;
        font-size: .9rem;
        font-weight: 600;
        color: var(--negro);
        flex: 1;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* Dropdown mobile: submenú inline */
    .nav-dropdown {
        position: static !important;
        opacity: 1 !important;
        transform: none !important;
        pointer-events: auto !important;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: #f8fdf8;
        border-top: 1px solid #eef2f5;
        display: none;
        padding: .35rem 0 .5rem;
        margin: 0;
        min-width: unset;
        width: 100%;
    }
    .nav-dropdown.abierto { display: block; }
    .nav-dropdown a {
        padding: .6rem 1.5rem .6rem 2.75rem;
        font-size: .88rem;
        border-radius: 0;
        border-left: 3px solid transparent;
        color: var(--gris);
    }
    .nav-dropdown a:hover {
        color: var(--verde);
        background: #eefbee;
        border-left-color: var(--verde);
    }
    .nav-dropdown-sep { margin: .3rem 1.25rem; }
    .nav-dropdown-salir { color: #e57373 !important; }
    .nav-dropdown-salir:hover { background: #fff5f5 !important; border-left-color: #e57373 !important; }
}

/* ============================================================
   BOTONES GLOBALES
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 2rem;
    border-radius: 50px;
    font-size: .95rem;
    font-weight: 600;
    transition: all var(--transicion);
    border: 2px solid transparent;
}
.btn-primario {
    background: var(--verde);
    color: var(--blanco);
    border-color: var(--verde);
}
.btn-primario:hover {
    background: var(--verde-dark);
    border-color: var(--verde-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74,124,89,.3);
}
.btn-secundario {
    background: transparent;
    color: var(--blanco);
    border-color: var(--blanco);
}
.btn-secundario:hover {
    background: var(--blanco);
    color: var(--verde);
}
.btn-outline {
    background: transparent;
    color: var(--verde);
    border-color: var(--verde);
}
.btn-outline:hover {
    background: var(--verde);
    color: var(--blanco);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: linear-gradient(135deg, #2a8f2a 0%, #3cb043 60%, #4cb847 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.footer::before {
    content: '';
    position: absolute;
    top: -80px; right: -80px;
    width: 360px; height: 360px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
    pointer-events: none;
}
.footer::after {
    content: '';
    position: absolute;
    bottom: 40px; left: -60px;
    width: 240px; height: 240px;
    border-radius: 50%;
    background: rgba(0,0,0,.04);
    pointer-events: none;
}
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 24px 3rem;
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 3.5rem;
    align-items: start;
    position: relative;
    z-index: 1;
}

/* Col 1 */
.footer-logo-wrap { margin-bottom: 1.25rem; }
.footer-logo { height: 48px; width: auto; filter: brightness(0) invert(1); opacity: .92; }
.footer-datos { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: .6rem; }
.footer-datos li {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-size: .875rem;
    color: rgba(255,255,255,.88);
    line-height: 1.4;
}
.footer-datos li svg { width: 15px; height: 15px; flex-shrink: 0; opacity: .75; }
.footer-datos a { color: rgba(255,255,255,.88); transition: color .2s; }
.footer-datos a:hover { color: #fff; }

/* Col 2 nav */
.footer-titulo {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: rgba(255,255,255,.6);
    margin: 0 0 1.1rem;
}
.footer-nav { display: flex; flex-direction: column; gap: .55rem; }
.footer-nav a {
    font-size: .9rem;
    color: rgba(255,255,255,.85);
    transition: color .2s, padding-left .2s;
    display: flex;
    align-items: center;
    gap: .4rem;
}
.footer-nav a::before { content: '›'; font-size: 1.1rem; opacity: .6; }
.footer-nav a:hover { color: #fff; padding-left: 4px; }

/* Col 3 social */
.footer-social {}
.footer-redes {
    display: flex;
    gap: .75rem;
    margin-bottom: 1.5rem;
}
.footer-red {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px; height: 42px;
    border-radius: 12px;
    background: rgba(255,255,255,.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,.2);
    transition: background .2s, transform .2s, border-color .2s;
}
.footer-red:hover {
    background: rgba(255,255,255,.28);
    border-color: rgba(255,255,255,.4);
    transform: translateY(-3px);
}
.footer-red svg { width: 18px; height: 18px; }
.footer-slogan {
    font-size: .82rem;
    color: rgba(255,255,255,.6);
    line-height: 1.6;
    margin: 0;
}

/* Bottom bar */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.15);
    padding: 1.1rem 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: .8rem;
    color: rgba(255,255,255,.6);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255,255,255,.85); font-weight: 600; transition: color .2s; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 900px) {
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
    .footer-info   { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 20px 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }

    /* Centrar todo en mobile */
    .footer-logo-wrap { text-align: center; display: flex; justify-content: center; }
    .footer-datos { align-items: center; }
    .footer-datos li { justify-content: center; }
    .footer-titulo { text-align: center; }
    .footer-nav { align-items: center; }
    .footer-redes { justify-content: center; }
    .footer-slogan { text-align: center; }
}

/* ============================================================
   ANIMACIONES REVEAL
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.reveal.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-left { transform: translateX(-30px); }
.reveal-right { transform: translateX(30px); }
.reveal-left.reveal-visible, .reveal-right.reveal-visible { transform: translateX(0); }

/* ── Carrito FAB (global, para todas las páginas) ── */
.cart-fab-btn {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--negro);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,.22);
    transition: transform .2s, box-shadow .2s;
    position: relative;
    flex-shrink: 0;
}
.cart-fab-btn:hover { transform: scale(1.08); box-shadow: 0 6px 22px rgba(0,0,0,.3); }
.cart-fab-btn svg { width: 24px; height: 24px; fill: #fff; }
.cart-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ef4444;
    color: #fff;
    font-size: .65rem;
    font-weight: 800;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
}