/* ============================================================
   SEEKSEI · Sistema de diseño compartido
   Usado por: index.html (landing), portal.html, login.html
   ============================================================ */
/* ====================================================================
   SEEKSEI · SISTEMA DE DISEÑO
   ==================================================================== */
:root{
    /* Marca */
    --primary:#0B1F3A;
    --primary-deep:#071221;
    --secondary:#2F6BFF;
    --secondary-light:#63A4FF;
    --gold:#D4AF37;

    /* Texto */
    --white:#ffffff;
    --soft:#cfd8e3;
    --muted:#9fb0c9;
    --faint:#7f8da5;

    /* Superficies (glassmorphism) */
    --glass:rgba(255,255,255,.05);
    --glass-strong:rgba(255,255,255,.08);
    --border:rgba(255,255,255,.10);
    --border-soft:rgba(255,255,255,.07);

    /* Radios */
    --r-sm:14px;
    --r-md:20px;
    --r-lg:28px;
    --r-xl:34px;
    --r-pill:999px;

    /* Sombras */
    --shadow-sm:0 8px 24px rgba(0,0,0,.18);
    --shadow-md:0 18px 40px rgba(0,0,0,.28);
    --shadow-lg:0 30px 80px rgba(0,0,0,.35);
    --shadow-blue:0 14px 38px rgba(47,107,255,.35);
    --shadow-blue-soft:0 16px 40px rgba(47,107,255,.16);

    /* Layout */
    --container:1200px;
    --gutter:clamp(1.25rem, 5vw, 2rem);

    /* Transición */
    --ease:.32s cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}

body{
    font-family:'Inter',system-ui,-apple-system,sans-serif;
    background:
        radial-gradient(1200px 800px at 50% -10%,#16325f 0%,#0B1F3A 45%,#0a1c34 100%);
    background-attachment:fixed;
    color:var(--white);
    line-height:1.6;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
}

img{max-width:100%;display:block;}

a{color:inherit;}

/* Accesibilidad: foco visible y consistente */
:focus-visible{
    outline:3px solid var(--secondary-light);
    outline-offset:3px;
    border-radius:6px;
}

.skip-link{
    position:absolute;
    left:-999px;
    top:0;
    z-index:2000;
    background:var(--secondary);
    color:#fff;
    padding:12px 20px;
    border-radius:0 0 12px 0;
    font-weight:700;
}
.skip-link:focus{left:0;}

.container{
    width:100%;
    max-width:var(--container);
    margin-inline:auto;
    padding-inline:var(--gutter);
}

/* Tipografía fluida */
h1,h2,h3{line-height:1.1;font-weight:800;letter-spacing:-.02em;}

.eyebrow{
    display:inline-block;
    color:var(--secondary-light);
    font-weight:700;
    font-size:.82rem;
    letter-spacing:.16em;
    text-transform:uppercase;
    margin-bottom:16px;
}

.section-title{
    font-size:clamp(2rem, 1.4rem + 2.6vw, 3rem);
    font-weight:900;
    margin-bottom:18px;
}
.section-title span{color:var(--secondary-light);}

.section-subtitle{
    color:var(--soft);
    font-size:clamp(1rem, .95rem + .3vw, 1.12rem);
    line-height:1.8;
    max-width:680px;
}
.section-head{margin-bottom:clamp(2.5rem,4vw,4rem);}
.section-head.center{text-align:center;margin-inline:auto;}
.section-head.center .section-subtitle{margin-inline:auto;}

section{padding:clamp(4.5rem, 8vw, 8rem) 0;}

/* ====================================================================
   BOTONES
   ==================================================================== */
.btn{
    --pad:0 30px;
    min-height:56px;
    padding:var(--pad);
    border-radius:var(--r-sm);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    font-weight:700;
    font-size:1rem;
    text-decoration:none;
    cursor:pointer;
    border:1px solid transparent;
    transition:transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
    white-space:nowrap;
}
.btn svg{width:20px;height:20px;flex-shrink:0;}

.btn-primary{
    background:linear-gradient(135deg,var(--secondary),var(--secondary-light));
    color:#fff;
    box-shadow:var(--shadow-blue);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 46px rgba(47,107,255,.45);}

.btn-secondary{
    background:var(--glass-strong);
    border:1px solid var(--border);
    color:#fff;
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
}
.btn-secondary:hover{border-color:var(--secondary);transform:translateY(-3px);}

.btn-ghost{
    background:transparent;
    border:1px solid var(--border);
    color:#fff;
}
.btn-ghost:hover{border-color:var(--secondary);background:var(--glass);}

/* ====================================================================
   NAVBAR
   ==================================================================== */
header.nav{
    position:fixed;
    inset:0 0 auto 0;
    z-index:1000;
    background:rgba(11,31,58,.65);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid transparent;
    transition:background var(--ease), border-color var(--ease), box-shadow var(--ease);
}
header.nav.scrolled{
    background:rgba(9,23,44,.9);
    border-bottom:1px solid var(--border-soft);
    box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.nav-content{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:clamp(16px,3vw,44px);
    padding:18px 0;
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0;}
.brand img{width:36px;height:36px;border-radius:9px;}
.brand b{font-size:1.14rem;letter-spacing:.16em;font-weight:700;}

/* Navegación institucional: centrada, con jerarquía y underline animado */
.menu{display:flex;align-items:center;justify-content:center;flex:1;gap:clamp(15px,1.8vw,30px);}
.menu a{
    position:relative;
    text-decoration:none;
    color:var(--soft);
    font-weight:500;
    font-size:.93rem;
    letter-spacing:.005em;
    padding:6px 2px;
    transition:color var(--ease);
}
.menu a::after{
    content:'';
    position:absolute;left:2px;right:2px;bottom:0;height:2px;
    background:linear-gradient(90deg,var(--secondary-light),var(--secondary));
    border-radius:2px;
    transform:scaleX(0);transform-origin:left;
    transition:transform var(--ease);
}
.menu a:hover{color:#fff;}
.menu a:hover::after{transform:scaleX(1);}

/* Acciones del sistema: separadas visualmente de la navegación */
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-sep{width:1px;height:28px;background:var(--border-soft);flex-shrink:0;}
.nav-actions .btn{min-height:44px;padding:0 18px;font-size:.9rem;}
.nav-actions .btn-ghost{border-color:var(--border-soft);}
.nav-actions .btn-primary{box-shadow:0 10px 26px rgba(47,107,255,.30);}

.menu-toggle{
    display:none;
    background:var(--glass-strong);
    border:1px solid var(--border);
    color:#fff;
    width:46px;height:46px;
    border-radius:12px;
    align-items:center;justify-content:center;
    cursor:pointer;
}
.menu-toggle svg{width:24px;height:24px;}

/* ====================================================================
   HERO
   ==================================================================== */
.hero{
    position:relative;
    min-height:100svh;
    display:flex;
    align-items:center;
    padding-top:120px;
    padding-bottom:60px;
    overflow:hidden;
    background:
        linear-gradient(rgba(7,16,28,.82),rgba(7,16,28,.9)),
        url('assets/img/hero-bg.jpg') center/cover no-repeat;
}
.hero::before,
.hero::after{
    content:'';
    position:absolute;
    border-radius:50%;
    pointer-events:none;
    filter:blur(10px);
}
.hero::before{
    width:min(640px,80vw);height:min(640px,80vw);
    background:radial-gradient(circle,rgba(47,107,255,.32),transparent 70%);
    top:-180px;left:-120px;
}
.hero::after{
    width:min(560px,70vw);height:min(560px,70vw);
    background:radial-gradient(circle,rgba(212,175,55,.12),transparent 70%);
    bottom:-220px;right:-100px;
}
.hero-content{
    position:relative;
    z-index:2;
    max-width:880px;
    text-align:center;
    margin-inline:auto;
}
.hero-logo{
    width:88px;height:88px;
    margin:0 auto 28px;
    border-radius:22px;
    background:var(--glass-strong);
    border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    box-shadow:var(--shadow-md);
}
.hero-logo img{width:60px;height:60px;}

.badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:9px 20px;
    border-radius:var(--r-pill);
    background:rgba(47,107,255,.14);
    border:1px solid rgba(47,107,255,.34);
    color:#dfe8ff;
    font-weight:600;
    font-size:.86rem;
    margin-bottom:26px;
}
.badge .dot{width:8px;height:8px;border-radius:50%;background:var(--secondary-light);box-shadow:0 0 12px var(--secondary-light);}

.hero h1{
    font-size:clamp(2.4rem, 1.4rem + 4.4vw, 4.2rem);
    font-weight:900;
    margin-bottom:24px;
}
.hero h1 span{
    display:block;
    background:linear-gradient(120deg,var(--secondary-light),var(--secondary));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
}
.hero p{
    color:var(--soft);
    font-size:clamp(1rem, .95rem + .5vw, 1.25rem);
    line-height:1.75;
    max-width:680px;
    margin:0 auto 34px;
}
.hero-tags{
    display:flex;justify-content:center;flex-wrap:wrap;gap:10px;
    margin-bottom:38px;
}
.hero-tags span{
    padding:8px 16px;
    border-radius:var(--r-pill);
    background:var(--glass-strong);
    border:1px solid var(--border);
    color:#dce8ff;
    font-size:.86rem;font-weight:600;
}
.hero-buttons{
    display:flex;justify-content:center;flex-wrap:wrap;gap:14px;
}
.hero-buttons .btn{min-width:230px;}

/* ====================================================================
   CENTRO DE ACCESO · concepto SaaS premium
   ==================================================================== */
.access{position:relative;overflow:hidden;}
/* Capa de profundidad: rejilla técnica muy sutil + halo */
.access::before{
    content:'';
    position:absolute;inset:0;
    background:
        radial-gradient(680px 360px at 50% -8%,rgba(47,107,255,.14),transparent 70%),
        linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
    background-size:auto, 56px 56px, 56px 56px;
    -webkit-mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
    mask-image:radial-gradient(circle at 50% 30%,#000 0%,transparent 78%);
    pointer-events:none;
}
.access .container{position:relative;z-index:1;}

.access-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:24px;
    max-width:920px;
    margin-inline:auto;
}
.access-card{
    position:relative;
    display:flex;
    flex-direction:column;
    padding:clamp(1.9rem,2.4vw,2.4rem);
    border-radius:var(--r-lg);
    background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));
    border:1px solid var(--border-soft);
    backdrop-filter:blur(20px) saturate(140%);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
    box-shadow:0 1px 0 rgba(255,255,255,.06) inset, 0 12px 30px rgba(0,0,0,.18);
    overflow:hidden;
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
/* Brillo superior fino tipo borde de cristal */
.access-card::after{
    content:'';
    position:absolute;left:0;right:0;top:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--edge,rgba(99,164,255,.55)),transparent);
    opacity:.6;transition:opacity var(--ease);
}
.access-card.staff{--edge:rgba(212,175,55,.55);}
.access-card:hover{
    transform:translateY(-6px);
    border-color:var(--ring,rgba(99,164,255,.4));
    box-shadow:0 1px 0 rgba(255,255,255,.08) inset, 0 22px 50px rgba(0,0,0,.3);
}
.access-card.staff:hover{--ring:rgba(212,175,55,.4);}
.access-card:hover::after{opacity:1;}

.access-icon{
    width:52px;height:52px;
    border-radius:15px;
    display:flex;align-items:center;justify-content:center;
    margin-bottom:22px;
    background:rgba(99,164,255,.12);
    border:1px solid rgba(99,164,255,.26);
    color:var(--secondary-light);
    transition:transform var(--ease);
}
.access-card:hover .access-icon{transform:translateY(-2px) scale(1.04);}
.staff .access-icon{background:rgba(212,175,55,.12);border-color:rgba(212,175,55,.28);color:var(--gold);}
.access-icon svg{width:26px;height:26px;}

.access-card h3{font-size:1.35rem;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;}
.access-card > p{
    color:var(--muted);
    font-size:.96rem;line-height:1.55;
    margin-bottom:22px;
    max-width:32ch;
}

/* Chips minimalistas */
.access-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px;}
.access-chips span{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 12px;
    border-radius:var(--r-pill);
    background:rgba(255,255,255,.045);
    border:1px solid var(--border-soft);
    color:var(--soft);
    font-size:.82rem;font-weight:500;
    transition:border-color var(--ease), background var(--ease);
}
.access-card:hover .access-chips span{border-color:rgba(255,255,255,.14);}

/* Botón de flecha (text-link premium) */
.access-card .btn-arrow{margin-top:auto;}
.btn-arrow{
    display:inline-flex;align-items:center;gap:8px;
    font-weight:600;font-size:1rem;
    text-decoration:none;
    color:var(--secondary-light);
    width:fit-content;
    transition:gap var(--ease), color var(--ease);
}
.staff .btn-arrow{color:var(--gold);}
.btn-arrow svg{width:18px;height:18px;transition:transform var(--ease);}
.access-card:hover .btn-arrow{gap:12px;}
.access-card:hover .btn-arrow svg{transform:translateX(3px);}

@media (max-width:680px){
    .access-grid{grid-template-columns:1fr;max-width:440px;}
}

/* ====================================================================
   GENÉRICO: tarjetas en grid
   ==================================================================== */
.grid-auto{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:24px;
}
.card{
    background:var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-lg);
    padding:clamp(1.6rem,2.5vw,2.2rem);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.4);box-shadow:var(--shadow-blue-soft);}
.card h3{font-size:1.18rem;margin-bottom:12px;}
.card p{color:var(--soft);line-height:1.7;}

.icon-tile{
    width:60px;height:60px;
    border-radius:16px;
    background:rgba(47,107,255,.12);
    border:1px solid rgba(47,107,255,.22);
    color:var(--secondary-light);
    display:flex;align-items:center;justify-content:center;
    margin-bottom:20px;
}
.icon-tile svg{width:30px;height:30px;}

/* ====================================================================
   QUIÉNES SOMOS
   ==================================================================== */
.about-grid{
    display:grid;
    grid-template-columns:1.1fr .9fr;
    gap:clamp(2rem,4vw,3.5rem);
    align-items:center;
}
.about-content p{color:var(--soft);line-height:1.9;margin-bottom:18px;}
.about-content p:last-child{margin-bottom:0;}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.mini-card{
    background:var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-md);
    padding:24px;
    transition:transform var(--ease), border-color var(--ease);
}
.mini-card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.4);}
.mini-card h4{font-size:1.05rem;margin-bottom:8px;}
.mini-card p{color:var(--soft);font-size:.95rem;line-height:1.6;}

/* ====================================================================
   POR QUÉ ELEGIR
   ==================================================================== */
.why-card{position:relative;}
.why-card .num{
    font-size:.85rem;font-weight:800;color:var(--gold);
    letter-spacing:.12em;margin-bottom:14px;
}

/* ====================================================================
   PROCESO
   ==================================================================== */
.process-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:22px;
}
.process-card{
    background:var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-lg);
    padding:clamp(1.8rem,2.5vw,2.2rem);
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.process-card:hover{transform:translateY(-8px);border-color:var(--secondary);box-shadow:var(--shadow-blue-soft);}
.process-number{
    font-size:2.8rem;font-weight:900;
    color:var(--secondary-light);opacity:.65;
    letter-spacing:-.04em;margin-bottom:12px;
}
.process-card h3{font-size:1.18rem;margin-bottom:10px;}
.process-card p{color:var(--soft);line-height:1.7;}

/* ====================================================================
   TECNOLOGÍA
   ==================================================================== */
.tech{
    background:linear-gradient(180deg,transparent,rgba(7,18,33,.5));
}
.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;}
.tech-card{
    background:var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-lg);
    padding:clamp(1.7rem,2.4vw,2.1rem);
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.tech-card:hover{transform:translateY(-6px);border-color:rgba(47,107,255,.4);box-shadow:var(--shadow-blue-soft);}
.tech-card .icon-tile{margin-bottom:16px;width:54px;height:54px;}
.tech-card h3{font-size:1.12rem;margin-bottom:10px;}
.tech-card p{color:var(--soft);line-height:1.7;font-size:.96rem;}

/* ====================================================================
   ESTADÍSTICAS
   ==================================================================== */
.stats{
    background:
        radial-gradient(700px 320px at 50% 0%,rgba(47,107,255,.16),transparent 70%);
    border-top:1px solid var(--border-soft);
    border-bottom:1px solid var(--border-soft);
}
.stats-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
    gap:24px;
    text-align:center;
}
.stat .num{
    font-size:clamp(2.4rem,1.6rem+2.4vw,3.4rem);
    font-weight:900;
    background:linear-gradient(120deg,#fff,var(--secondary-light));
    -webkit-background-clip:text;background-clip:text;color:transparent;
    line-height:1;margin-bottom:10px;
}
.stat p{color:var(--muted);font-weight:500;}

/* ====================================================================
   CLIENTES / MARCAS
   ==================================================================== */
.brands-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(160px,1fr));
    gap:22px;
}
.brand-card{
    height:130px;
    display:flex;align-items:center;justify-content:center;
    padding:22px;
    background:var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-md);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
}
.brand-card:hover{transform:translateY(-6px);border-color:var(--gold);box-shadow:0 12px 34px rgba(212,175,55,.16);}
.brand-card img{
    max-width:120px;max-height:62px;
    object-fit:contain;
    filter:brightness(0) invert(1);
    opacity:.85;
    transition:opacity var(--ease), transform var(--ease);
}
.brand-card:hover img{opacity:1;transform:scale(1.05);}
.brand-card img.no-filter{filter:none;background:#fff;border-radius:10px;padding:8px;}
.brand-card img.miraphone-logo{filter:none;max-width:100px;}

/* ====================================================================
   GALERÍA
   ==================================================================== */
.gallery-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:22px;
}
.gallery-card{
    position:relative;
    overflow:hidden;
    border-radius:var(--r-lg);
    aspect-ratio:4/3;
    cursor:pointer;
    border:1px solid var(--border-soft);
    background:#0f1727;
}
.gallery-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.gallery-card:hover img{transform:scale(1.08);}
.gallery-overlay{
    position:absolute;inset:0;
    background:linear-gradient(to top,rgba(0,0,0,.85),transparent 55%);
    display:flex;flex-direction:column;justify-content:flex-end;
    padding:24px;
    pointer-events:none;
}
.gallery-overlay h3{font-size:1.25rem;}

/* ====================================================================
   AGENDAR CITA
   ==================================================================== */
.booking-card{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:clamp(2rem,4vw,3.5rem);
    background:
        radial-gradient(540px 280px at 0% 0%,rgba(47,107,255,.18),transparent 60%),
        var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-xl);
    padding:clamp(2rem,4vw,3.2rem);
    box-shadow:0 1px 0 rgba(255,255,255,.05) inset, 0 18px 44px rgba(0,0,0,.22);
    align-items:start;
}
.booking-info h3{font-size:clamp(1.5rem,1.2rem+1vw,2rem);margin-bottom:16px;}
.booking-info p{color:var(--soft);line-height:1.8;margin-bottom:22px;}
.booking-features{list-style:none;display:grid;gap:2px;}
.booking-features li{
    display:flex;align-items:center;gap:12px;
    padding:11px 0;color:var(--soft);
    border-bottom:1px solid var(--border-soft);
}
.booking-features li:last-child{border-bottom:none;}
.booking-features svg{width:18px;height:18px;color:var(--secondary-light);flex-shrink:0;}
.booking-form{display:flex;flex-direction:column;gap:14px;}
.booking-form label{font-size:.85rem;font-weight:600;color:var(--muted);margin-bottom:-6px;}
.booking-form input,
.booking-form select,
.booking-form textarea{
    width:100%;
    padding:14px 16px;
    border-radius:var(--r-sm);
    border:1px solid var(--border);
    background:rgba(11,31,58,.6);
    color:#fff;
    font-family:inherit;
    font-size:1rem;
    outline:none;
    transition:border-color var(--ease), box-shadow var(--ease);
}
.booking-form input::placeholder,
.booking-form textarea::placeholder{color:var(--muted);}
.booking-form input:focus,
.booking-form select:focus,
.booking-form textarea:focus{
    border-color:var(--secondary);
    box-shadow:0 0 0 3px rgba(47,107,255,.2);
}
.booking-form .btn{width:100%;}

/* ====================================================================
   CONTACTO
   ==================================================================== */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;}
.contact-card{text-align:left;}
.contact-card .icon-tile{margin-bottom:16px;}
.contact-card h3{font-size:1.1rem;margin-bottom:8px;}
.contact-card a,.contact-card p{color:var(--soft);text-decoration:none;word-break:break-word;}
.contact-card a:hover{color:#fff;}

/* ====================================================================
   FOOTER
   ==================================================================== */
.footer{
    background:var(--primary-deep);
    border-top:1px solid var(--border-soft);
    margin-top:40px;
}
.footer-top{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr;
    gap:clamp(2rem,4vw,3rem);
    padding:clamp(3rem,5vw,4.5rem) 0;
}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.footer-brand img{width:48px;height:48px;}
.footer-brand b{font-size:1.4rem;letter-spacing:.08em;}
.footer-col p{color:var(--muted);line-height:1.7;font-size:.95rem;margin-bottom:8px;}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;color:var(--faint);margin-bottom:16px;}
.footer-col a{display:block;color:var(--muted);text-decoration:none;padding:6px 0;font-size:.95rem;transition:color var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
    border-top:1px solid var(--border-soft);
    text-align:center;
    padding:20px;
    color:var(--faint);
    font-size:.85rem;
}

/* ====================================================================
   FAQ
   ==================================================================== */
.faq-list{display:grid;gap:14px;max-width:820px;margin-inline:auto;}
.faq-item{
    background:var(--glass);
    border:1px solid var(--border-soft);
    border-radius:var(--r-md);
    overflow:hidden;
    transition:border-color var(--ease);
}
.faq-item[open]{border-color:rgba(47,107,255,.4);}
.faq-item summary{
    list-style:none;
    cursor:pointer;
    padding:20px 24px;
    font-weight:600;
    font-size:1.05rem;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
    content:'+';
    font-size:1.5rem;color:var(--secondary-light);
    transition:transform var(--ease);
    line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 24px 22px;color:var(--soft);line-height:1.8;}

/* ====================================================================
   CHAT FLOTANTE (discreto)
   ==================================================================== */
.chat-float{
    position:fixed;right:22px;bottom:22px;
    width:56px;height:56px;border-radius:50%;border:none;
    background:linear-gradient(135deg,var(--secondary),var(--secondary-light));
    color:#fff;display:flex;align-items:center;justify-content:center;
    cursor:pointer;z-index:900;
    box-shadow:var(--shadow-blue);
    transition:transform var(--ease);
}
.chat-float:hover{transform:scale(1.06);}
.chat-float svg{width:24px;height:24px;}
.chat-box{
    position:fixed;right:22px;bottom:90px;
    width:min(330px,calc(100vw - 44px));
    background:var(--primary-deep);
    border:1px solid var(--border);
    border-radius:var(--r-lg);
    overflow:hidden;
    z-index:901;
    box-shadow:var(--shadow-lg);
    display:none;
    transform-origin:bottom right;
}
.chat-box.active{display:block;animation:popIn .25s var(--ease);}
@keyframes popIn{from{opacity:0;transform:translateY(12px) scale(.96);}to{opacity:1;transform:none;}}
.chat-header{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 18px;border-bottom:1px solid var(--border-soft);
}
.chat-header b{font-size:1rem;}
.chat-header button{background:none;border:none;color:var(--soft);font-size:1.5rem;cursor:pointer;line-height:1;}
.chat-body{padding:18px;}
.chat-body > p{color:#dce8ff;margin-bottom:14px;font-size:.95rem;}
.chat-body button.chip{
    width:100%;text-align:left;padding:11px 14px;margin-bottom:8px;
    border-radius:12px;border:1px solid var(--border-soft);
    background:var(--glass);color:#fff;cursor:pointer;font-weight:500;font-size:.92rem;
    transition:border-color var(--ease), background var(--ease);
}
.chat-body button.chip:hover{border-color:var(--secondary);background:var(--glass-strong);}
.chat-response{margin-top:12px;color:var(--muted);line-height:1.6;font-size:.92rem;}

/* ====================================================================
   LIGHTBOX
   ==================================================================== */
.lightbox{
    position:fixed;inset:0;z-index:2000;
    background:rgba(0,0,0,.9);
    display:none;align-items:center;justify-content:center;
    padding:30px;
}
.lightbox.active{display:flex;}
.lightbox img{max-width:92%;max-height:92%;border-radius:var(--r-md);box-shadow:var(--shadow-lg);}
.lightbox-close{
    position:absolute;top:24px;right:28px;
    background:var(--glass-strong);border:1px solid var(--border);
    color:#fff;width:46px;height:46px;border-radius:12px;
    font-size:1.5rem;cursor:pointer;
}

/* ====================================================================
   ANIMACIONES DE ENTRADA
   ==================================================================== */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s var(--ease), transform .7s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion: reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
    .reveal{opacity:1;transform:none;}
}

/* ====================================================================
   RESPONSIVE
   ==================================================================== */
@media (max-width:980px){
    .about-grid{grid-template-columns:1fr;}
    .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
    .menu,
    .nav-sep,
    .nav-actions .btn-text{display:none;}
    .menu-toggle{display:flex;}
    .menu.active{
        display:flex;flex-direction:column;align-items:flex-start;gap:6px;flex:none;
        position:absolute;top:76px;right:var(--gutter);left:var(--gutter);
        background:rgba(9,23,44,.98);
        border:1px solid var(--border);
        border-radius:var(--r-md);
        padding:18px;
        box-shadow:var(--shadow-lg);
    }
    .menu.active a{padding:10px 4px;width:100%;font-size:1rem;}
    .menu.active a::after{display:none;}
    .booking-card{grid-template-columns:1fr;}
}
@media (max-width:560px){
    .footer-top{grid-template-columns:1fr;}
    .hero-buttons{flex-direction:column;align-items:stretch;}
    .hero-buttons .btn{width:100%;min-width:0;}
    .about-cards{grid-template-columns:1fr;}
    .nav-actions{gap:8px;}
}

/* ====================================================================
   SEEKSEI MEMBERSHIP · Experiencia premium de membresías
   (Módulo NUEVO · añadido sin modificar reglas previas)
   Inspiración: Amex Gold · Visa Infinite · Apple Wallet · Steinway
   ==================================================================== */

/* Tokens exclusivos de membresías (metálicos) */
:root{
    --silver-1:#e8edf3;
    --silver-2:#aab6c6;
    --silver-3:#6f7d90;
    --titanium-1:#d7dee7;
    --titanium-2:#8b97a6;
    --titanium-3:#4b5563;
    --gold-1:#f6e6b4;
    --gold-2:#d4af37;
    --gold-3:#a9821f;
}

.membership{
    position:relative;
    overflow:hidden;
    background:
        radial-gradient(760px 380px at 50% -6%,rgba(212,175,55,.10),transparent 70%),
        linear-gradient(180deg,rgba(7,18,33,.35),transparent 40%);
    border-top:1px solid var(--border-soft);
    border-bottom:1px solid var(--border-soft);
}
/* Rejilla técnica sutil, coherente con el Centro de Acceso */
.membership::before{
    content:'';
    position:absolute;inset:0;
    background:
        linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
    background-size:60px 60px,60px 60px;
    -webkit-mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 80%);
    mask-image:radial-gradient(circle at 50% 22%,#000 0%,transparent 80%);
    pointer-events:none;
}
.membership .container{position:relative;z-index:1;}

/* Barra de valor superior (mensaje: no es descuento, es prioridad) */
.membership-values{
    display:flex;flex-wrap:wrap;justify-content:center;gap:12px;
    margin:-6px auto 46px;max-width:920px;
}
.membership-values span{
    display:inline-flex;align-items:center;gap:8px;
    padding:9px 16px;border-radius:var(--r-pill);
    background:var(--glass-strong);border:1px solid var(--border);
    color:#e6edfa;font-size:.86rem;font-weight:600;
}
.membership-values svg{width:16px;height:16px;color:var(--gold);}

/* Grid de membresías */
.membership-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
    align-items:stretch;
    max-width:1140px;margin-inline:auto;
}

/* Tarjeta base */
.tier-card{
    position:relative;
    display:flex;flex-direction:column;
    padding:clamp(1.9rem,2.4vw,2.5rem);
    border-radius:var(--r-lg);
    background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.022));
    border:1px solid var(--border-soft);
    backdrop-filter:blur(20px) saturate(140%);
    -webkit-backdrop-filter:blur(20px) saturate(140%);
    box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 14px 34px rgba(0,0,0,.20);
    transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
    overflow:hidden;
}
.tier-card::after{
    content:'';position:absolute;left:0;right:0;top:0;height:2px;
    background:var(--tier-edge,linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent));
    opacity:.85;
}
.tier-card:hover{transform:translateY(-8px);border-color:var(--tier-ring,rgba(255,255,255,.28));box-shadow:0 1px 0 rgba(255,255,255,.09) inset,0 26px 58px rgba(0,0,0,.34);}

/* Acentos por tier */
.tier-silver{--tier-edge:linear-gradient(90deg,transparent,var(--silver-1),transparent);--tier-ring:rgba(170,182,198,.5);}
.tier-titanium{--tier-edge:linear-gradient(90deg,transparent,var(--titanium-1),transparent);--tier-ring:rgba(139,151,166,.55);}
.tier-gold{--tier-edge:linear-gradient(90deg,transparent,var(--gold-2),transparent);--tier-ring:rgba(212,175,55,.55);}

/* Tarjeta destacada (Titanium/Gold según negocio) */
.tier-card.featured{
    border-color:rgba(212,175,55,.34);
    box-shadow:0 1px 0 rgba(255,255,255,.09) inset,0 26px 60px rgba(0,0,0,.36),0 0 0 1px rgba(212,175,55,.10);
    transform:translateY(-6px);
}
.tier-card.featured:hover{transform:translateY(-12px);}

/* Cinta "Recomendado" / "Máxima prioridad" */
.tier-ribbon{
    position:absolute;top:18px;right:-38px;
    transform:rotate(45deg);
    background:linear-gradient(135deg,var(--gold-2),var(--gold-1));
    color:#3a2c07;
    font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
    padding:6px 46px;
    box-shadow:0 8px 20px rgba(0,0,0,.3);
}

/* Mini-tarjeta física estilo Apple Wallet */
.tier-wallet{
    position:relative;
    height:120px;border-radius:16px;
    margin-bottom:24px;
    padding:16px 18px;
    display:flex;flex-direction:column;justify-content:space-between;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.18);
    box-shadow:0 10px 26px rgba(0,0,0,.34),0 1px 0 rgba(255,255,255,.25) inset;
    isolation:isolate;
}
.tier-wallet::before{
    content:'';position:absolute;inset:0;z-index:-1;
    background:var(--wallet-bg);
}
.tier-wallet::after{
    content:'';position:absolute;top:-40%;left:-20%;width:80%;height:180%;
    background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.28) 50%,transparent 70%);
    transform:rotate(8deg);pointer-events:none;
}
.tier-silver .tier-wallet{--wallet-bg:linear-gradient(135deg,#f4f7fb,#c2ccd9 45%,#8593a5 100%);color:#1c2531;}
.tier-titanium .tier-wallet{--wallet-bg:linear-gradient(135deg,#e3e9f0,#9aa6b5 45%,#4c5663 100%);color:#f2f5f9;}
.tier-gold .tier-wallet{--wallet-bg:linear-gradient(135deg,#fbf0c8,#e2c766 42%,#a9821f 100%);color:#3a2c07;}
.tier-wallet-top{display:flex;align-items:center;justify-content:space-between;}
.tier-wallet-brand{font-weight:800;letter-spacing:.18em;font-size:.78rem;}
.tier-wallet-chip{width:30px;height:22px;border-radius:5px;background:linear-gradient(135deg,rgba(255,255,255,.85),rgba(255,255,255,.35));border:1px solid rgba(0,0,0,.12);}
.tier-wallet-name{font-weight:800;font-size:1.02rem;letter-spacing:.02em;}
.tier-wallet-tier{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;opacity:.85;}

/* Encabezado del plan */
.tier-name{font-size:1.35rem;font-weight:800;letter-spacing:-.01em;margin-bottom:4px;}
.tier-tagline{color:var(--muted);font-size:.92rem;line-height:1.5;margin-bottom:18px;min-height:2.7em;}

/* Precio */
.tier-price{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;margin-bottom:6px;}
.tier-price .amount{font-size:clamp(1.9rem,1.4rem+1.4vw,2.4rem);font-weight:900;letter-spacing:-.02em;
    background:linear-gradient(120deg,#fff,var(--secondary-light));-webkit-background-clip:text;background-clip:text;color:transparent;}
.tier-gold .tier-price .amount{background:linear-gradient(120deg,var(--gold-1),var(--gold-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.tier-price .period{color:var(--muted);font-size:.92rem;font-weight:600;}
.tier-price-note{color:var(--faint);font-size:.8rem;margin-bottom:22px;}

/* Divisor */
.tier-div{height:1px;background:var(--border-soft);margin:4px 0 20px;}

/* Beneficios */
.tier-benefits{list-style:none;display:grid;gap:12px;margin-bottom:28px;}
.tier-benefits li{display:flex;align-items:flex-start;gap:11px;color:var(--soft);font-size:.94rem;line-height:1.5;}
.tier-benefits li svg{width:18px;height:18px;flex-shrink:0;margin-top:2px;color:var(--secondary-light);}
.tier-gold .tier-benefits li svg,.tier-titanium .tier-benefits li svg.star{color:var(--gold);}
.tier-benefits li b{color:#fff;font-weight:700;}
.tier-benefits li.highlight{color:#fff;}
.tier-benefits li.highlight svg{color:var(--gold);}

/* CTA del plan */
.tier-cta{margin-top:auto;width:100%;}
.tier-card .btn.tier-cta{min-height:52px;}
.tier-gold .btn.tier-cta{
    background:linear-gradient(135deg,var(--gold-2),var(--gold-1));
    color:#3a2c07;box-shadow:0 14px 36px rgba(212,175,55,.34);
}
.tier-gold .btn.tier-cta:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(212,175,55,.45);}

/* Nota inferior / respaldo */
.membership-assurance{
    display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 26px;
    margin-top:44px;text-align:center;color:var(--muted);font-size:.9rem;
}
.membership-assurance span{display:inline-flex;align-items:center;gap:8px;}
.membership-assurance svg{width:17px;height:17px;color:var(--secondary-light);}
.membership-footnote{text-align:center;color:var(--faint);font-size:.82rem;margin-top:18px;max-width:720px;margin-inline:auto;line-height:1.6;}

/* Responsive */
@media (max-width:980px){
    .membership-grid{grid-template-columns:1fr;max-width:460px;}
    .tier-card.featured,.tier-card.featured:hover{transform:none;}
    .tier-card:hover{transform:translateY(-4px);}
}