:root{
    --bg:#0a0d12;
    --bg-soft:#0f1420;
    --ink:#e6eaf3;
    --muted:#98a3b7;
    --brand:#1e5bd8;
    --brand-2:#2CA7F8;
    --line:#1f2a3d;
    --card:rgba(255,255,255,.06);
    --radius:18px;
    --shadow:0 12px 40px rgba(0,0,0,.35);
    --shadow-sm:0 6px 20px rgba(0,0,0,.22);
}

/* Tema claro según navegador */
@media (prefers-color-scheme: light) {
    :root {
        --bg:#f6f8fc;
        --bg-soft:#ffffff;
        --ink:#0b1a33;
        --muted:#5a6b82;
        --brand:#143e79;
        --brand-2:#2CA7F8;
        --line:#e7eef7;
        --card:#ffffffd9;
        --shadow:0 14px 38px rgba(10,35,66,.15);
        --shadow-sm:0 6px 18px rgba(10,35,66,.08);
    }
}
*{
    box-sizing:border-box;
}
html,body{
    margin:0;
    font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
    background:var(--bg);
    color:var(--ink);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    transition: background .4s,color .4s;
}
a{
    text-decoration:none;
    color:inherit;
}
header{
    position:sticky;
    top:0;
    z-index:50;
    background:linear-gradient(to bottom, rgba(10,15,25,.75), rgba(10,15,25,.45));
    backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,.06);
}
.wrap{
    max-width:1160px;
    margin:0 auto;
    padding:12px 18px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
    position:relative;
}
.brand{
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:700;
    letter-spacing:.4px;
    color:#fff;
    position:absolute;
    left:50%;
    transform:translateX(-50%);
}
.brand img{
    height:60px;
}
.mode{
    all:unset;
    cursor:pointer;
    display:grid;
    place-items:center;
    width:42px;
    height:42px;
    border-radius:10px;
    border:1px solid rgba(255,255,255,.12);
}
.mode span{
    font-size:18px;
}
.hero{
    position:relative;
    min-height:90vh;
    display:grid;
    place-items:center;
    padding:92px 18px 48px;
    text-align:center;
    overflow:hidden;
}
.hero .bg{
    position:absolute;
    inset:-20%;
    background:radial-gradient(60% 50% at 70% 20%, rgba(44,167,248,.18), transparent 60%), radial-gradient(50% 45% at 30% 75%, rgba(30,91,216,.22), transparent 60%), linear-gradient(120deg, rgba(255,255,255,.04), transparent 40%);
    animation:pulse 12s ease-in-out infinite;
    filter:blur(30px);
}
@keyframes pulse{
    0%,100%{
        transform:scale(1)
    }
    50%{
        transform:scale(1.06)
    }
}
.hero h1{
    font-size:clamp(30px,6.2vw,58px);
    line-height:1.08;
    margin:6px 0 8px;
}
.hero p{
    color:var(--muted);
    font-size:clamp(15px,2.6vw,19px);
    max-width:760px;
    margin:0 auto 18px;
}
.hero .cta{
    display:flex;
    gap:10px;
    justify-content:center;
    flex-wrap:wrap;
}
.hero .cta a{
    padding:10px 16px;
    border-radius:999px;
    font-weight:700;
    box-shadow:var(--shadow-sm);
    text-decoration:none;
}
.hero .cta .btn{
    background:var(--brand);
    color:#fff;
    border:1px solid var(--brand);
}
.hero .cta .btn.ghost{
    background:transparent;
    color:var(--brand);
    border:1px solid var(--brand);
}
section{
    padding:56px 18px;
}
h2{
    font-size:clamp(22px,4vw,34px);
    text-align:center;
    margin:0 0 24px;
    background:linear-gradient(135deg,var(--brand),var(--brand-2));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}
.grid{
    max-width:1160px;
    margin:0 auto;
    display:grid;
    gap:14px;
    grid-template-columns:repeat(1,minmax(0,1fr));
}
.card{
    background:var(--card);
    border:1px solid rgba(255,255,255,.08);
    border-radius:var(--radius);
    padding:18px;
    backdrop-filter: blur(16px);
    box-shadow:var(--shadow-sm);
    transform:translateY(12px);
    opacity:0;
    transition:transform .6s ease, opacity .6s ease, box-shadow .2s ease;
}
.card.revealed{
    transform:none;
    opacity:1;
}
.card:hover{
    box-shadow:var(--shadow);
}
.card h3{
    margin:4px 0 6px;
}
.card p{
    margin:0 0 8px;
    color:var(--muted);
} /* Botones del formulario igual que CTA */
form .btn, form .btn.ghost {
    padding:10px 16px;
    border-radius:999px;
    font-weight:700;
    text-decoration:none;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    box-shadow:var(--shadow-sm);
    border:1px solid var(--brand);
    transition: transform .2s ease, background .2s ease;
}
form .btn {
    background:var(--brand);
    color:#fff;
}
form .btn:hover {
    transform:scale(1.05);
    background:var(--brand-2);
}
form .btn.ghost {
    background:transparent;
    color:var(--brand);
    border:1px solid var(--brand);
}
form .btn.ghost:hover {
    background:var(--brand-2);
    color:#fff;
}
.card ul{
    margin:0;
    padding-left:18px;
    color:var(--muted);
}
.icon{
    width:48px;
    height:48px;
    border-radius:14px;
    display:grid;
    place-items:center;
    background:linear-gradient(135deg,rgba(44,167,248,.12),rgba(30,91,216,.22));
    border:1px solid rgba(255,255,255,.12);
    color:var(--brand);
    margin-bottom:6px;
}
.contact{
    max-width:760px;
    margin:0 auto;
}
.row{
    display:grid;
    gap:10px;
    grid-template-columns:1fr;
}
input,textarea{
    width:100%;
    padding:12px 14px;
    border-radius:12px;
    border:1px solid var(--line);
    background:rgba(255,255,255,.06);
    color:var(--ink);
    font:inherit;
}
input:focus,textarea:focus{
    outline:3px solid rgba(44,167,248,.35);
    border-color:var(--brand-2);
}
.small{
    color:var(--muted);
    font-size:.95rem;
}
footer{
    padding:22px 18px;
    border-top:1px solid rgba(255,255,255,.08);
    text-align:center;
    color:var(--muted);
}
footer .social-links {
    margin-top: 10px;
}
footer .social-icon {
    color: inherit; /* ahora toma el color según el modo */
    font-size: 24px;
    margin: 0 10px;
    transition: color 0.3s;
}
footer .social-icon:hover {
    color: #E1306C; /* Instagram */
}
footer .social-icon:nth-child(2):hover {
    color: #25D366; /* WhatsApp */
}
footer .social-icon:nth-child(3):hover {
    color: #1877F2; /* Facebook */
} /* --- Modo claro --- */
body.light footer {
    --footer-bg: #f1f1f1;
    --footer-text: #111;
} /* --- Modo oscuro --- */
body.dark footer {
    --footer-bg: #111;
    --footer-text: #fff;
}
.wa{
    position:fixed;
    right:16px;
    bottom:16px;
    z-index:60;
    width:58px;
    height:58px;
    border-radius:50%;
    display:grid;
    place-items:center;
    background:#25D366;
    color:#fff;
    text-decoration:none;
    box-shadow:var(--shadow);
    transition:transform .2s ease;
}
.wa:hover{
    transform:scale(1.08);
}
.row-p{
    padding-top: 10px;
}
@media (min-width:700px){
    .grid{
        grid-template-columns:repeat(3,minmax(0,1fr));
    }
} /* Portfolio cards como links */
#portfolio .card {
    position: relative;
    display: block;
    color: inherit;
    text-decoration: none;
    transition: transform .3s ease, box-shadow .3s ease;
}
#portfolio .card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-4px);
} /* Tooltip en portfolio */
#portfolio .card::after {
    content: "Presiona para ver";
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(0,0,0,0.7);
    color: #fff;
    font-size: 0.85rem;
    padding: 6px 10px;
    border-radius: 8px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease;
    white-space: nowrap;
}
#portfolio .card:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Mensajes de formulario */
#formMsg {
    max-width: 760px;
    margin: 12px auto 0;
    padding: 10px 14px;
    border-radius: 12px;
    font-weight: 500;
    text-align: center;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: none; /* Se muestra solo cuando hay mensaje */
}

/* Éxito */
#formMsg.success {
    display: block;
    background-color: rgba(40, 180, 99, 0.15);
    border: 1px solid #28b463;
    color: #28b463;
    box-shadow: 0 4px 12px rgba(40, 180, 99, 0.25);
}

/* Error */
#formMsg.error {
    display: block;
    background-color: rgba(220, 53, 69, 0.15);
    border: 1px solid #dc3545;
    color: #dc3545;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.25);
}
 

/* Ventajas de Elegirnos */
#ventajas {
    padding: 60px 18px;
    background: linear-gradient(135deg, rgba(30,91,216,.05), rgba(44,167,248,.05));
}

.ventajas-grid {
    display: grid;
    gap: 24px;
}

.card.card-alt {
    background: linear-gradient(145deg, rgba(255,255,255,.05), rgba(255,255,255,.08));
    border-radius: calc(var(--radius) * 1.2);
    padding: 28px 20px;
    text-align: center;
    transform: rotate(-1deg) translateY(12px);
    transition: transform .5s ease, box-shadow .3s ease;
}

.card.card-alt:nth-child(2) {
    transform: rotate(1deg) translateY(12px);
}

.card.card-alt:nth-child(3) {
    transform: rotate(-0.5deg) translateY(12px);
}

.card.card-alt:hover {
    transform: rotate(0deg) translateY(0);
    box-shadow: 0 16px 48px rgba(0,0,0,.45);
}

.card.card-alt .icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 12px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(44,167,248,.15), rgba(30,91,216,.25));
    font-size: 28px;
    color: var(--brand);
}

.card.card-alt h3 {
    margin: 8px 0 12px;
    font-size: 1.3rem;
}

.card.card-alt p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.55;
}

/* Sección Servicios Futurista */
.servicios-futurista {
    position: relative;
    padding: 60px 18px;
    overflow: hidden;
    background: radial-gradient(circle at top left, rgba(44,167,248,.05), transparent 70%), 
                radial-gradient(circle at bottom right, rgba(30,91,216,.05), transparent 70%);
}

.servicios-futurista::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(44,167,248,.03), rgba(30,91,216,.03));
    z-index: 0;
}

.servicios-timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 28px;
    max-width: 1160px;
    margin: 0 auto;
    z-index: 1;
}

.servicio {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 24px 20px;
    border-left: 4px solid var(--brand);
    background: rgba(255,255,255,.03);
    backdrop-filter: blur(12px);
    border-radius: var(--radius);
    box-shadow: 0 12px 30px rgba(0,0,0,.25);
    transform: translateX(-12px);
    opacity: 0;
    transition: transform .6s ease, opacity .6s ease, box-shadow .3s ease;
}

.servicio.reveal {
    transform: translateX(0);
    opacity: 1;
}

.servicio:hover {
    box-shadow: 0 20px 50px rgba(0,0,0,.45);
}

.servicio-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, rgba(44,167,248,.2), rgba(30,91,216,.3));
    font-size: 28px;
    color: var(--brand);
    flex-shrink: 0;
    margin-top: 4px;
    transition: transform .3s ease, box-shadow .3s ease;
}

.servicio-icon:hover {
    transform: scale(1.15);
    box-shadow: 0 8px 20px rgba(44,167,248,.5);
}

.servicio-content h3 {
    margin: 0 0 8px;
    font-size: 1.3rem;
}

.servicio-content p {
    margin: 0;
    color: var(--muted);
    line-height: 1.55;
}

/* Timeline línea vertical */
@media (min-width:700px){
    .servicios-timeline::before {
        content: '';
        position: absolute;
        top: 0;
        left: 32px;
        width: 4px;
        height: 100%;
        background: var(--brand-2);
        opacity: .15;
        border-radius: 2px;
    }
    .servicio {
        transform: translateX(-20px);
    }
    .servicio.reveal {
        transform: translateX(0);
    }
}

/* Portfolio sin imágenes, premium */
#portfolio .card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 28px 18px;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border .3s ease;
    border: 2px solid transparent;
}

#portfolio .card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-image: linear-gradient(135deg, var(--brand), var(--brand-2)) 1;
}

#portfolio .portfolio-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: transform .3s ease;
}

#portfolio .card:hover .portfolio-icon {
    transform: scale(1.2) rotate(10deg);
}

#portfolio .portfolio-title {
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#portfolio .card p {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0;
}

/* Media query para asegurar buen tamaño en móviles */
@media (max-width: 700px) {
    #portfolio .portfolio-icon {
        font-size: 2rem;
    }
}