:root {
    --primary: #c00;
}

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

body {
    font-family: 'Georgia', serif;
    background: #fff;
    color: #333;
    overflow-x: hidden;
}

/* HEADER Y EFECTOS */
header {
    position: relative;
    /*height: 100vh;*/
    /*min-height: 720px;*/
    height: 45vh;
    min-height: 360px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /*background: url('https://images.unsplash.com/photo-1517248135467-4c7edcad34c4?w=1920&q=95') center center/cover no-repeat;*/
    background: url('/images/imgSite/imagenFondo.jpg') center center / cover no-repeat;

    background-attachment: fixed;
    transform: scale(1.05);
    transition: transform 0.6s ease;
}

header:hover .hero-bg { transform: scale(1.12); }

header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(45deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.15) 50%, transparent 100%);
    opacity: 0;
    transition: opacity 0.8s;
    pointer-events: none;
}

header:hover::after { opacity: 1; }

.header-content {
    position: relative;
    z-index: 2;
}

.title-wrapper {
    overflow: hidden;
    padding: 10px 0;
}

header h1 {
    font-size: 10rem;
    font-weight: 300;
    letter-spacing: 22px;
    margin: 0;
    opacity: 0;
    transform: translateY(100px);
    animation: titleReveal 1.8s cubic-bezier(0.22,1,0.36,1) forwards;
    text-shadow: 0 15px 60px rgba(0,0,0,0.9);
}

header p {
    font-size: 3rem;
    font-weight: 300;
    letter-spacing: 10px;
    margin-top: 20px;
    opacity: 0;
    transform: translateY(80px);
    animation: titleReveal 1.8s 0.4s cubic-bezier(0.22,1,0.36,1) forwards;
    text-shadow: 0 12px 50px rgba(0,0,0,0.9);
}

@keyframes titleReveal { to { opacity: 1; transform: translateY(0); } }

header:hover h1,
header:hover p {
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4) 50%, transparent);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 3s infinite;
}

@keyframes shine {
    0%, 100% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
}

/* LOGIN PANEL */
.login-panel {
    position: fixed;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    width: 420px;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 24px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.18);
    padding: 50px 45px;
    z-index: 1000;
}

.login-panel:hover {
    box-shadow: 0 40px 100px rgba(0,0,0,0.22);
    transform: translateY(-50%) translateY(-4px);
}

.login-header { text-align: center; margin-bottom: 40px; }
.login-header .logo {
    width: 80px; height: 80px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2.2rem;
    font-weight: bold;
}
.login-header h2 { font-size: 2.1rem; color: #222; margin-bottom: 8px; }
.login-header p { font-size: 1rem; color: #666; }

.form-group { position: relative; margin-bottom: 28px; }
.form-group input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 16px;
    font-size: 1.05rem;
    background: transparent;
    outline: none;
    transition: all 0.3s;
}
.form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(204,0,0,0.08); }
.form-group label {
    position: absolute;
    left: 20px; top: 17px;
    font-size: 1.05rem;
    color: #999;
    pointer-events: none;
    transition: all 0.3s;
    background: white;
    padding: 0 6px;
}
.form-group input:focus ~ label,
.form-group input:valid ~ label {
    top: -10px;
    font-size: 0.9rem;
    color: var(--primary);
}

.login-btn {
    width: 100%;
    padding: 18px;
    background: #000;
    color: white;
    border: none;
    border-radius: 16px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    transition: 0.4s;
    margin-top: 10px;
}
.login-btn:hover {
    background: #a00;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(204,0,0,0.3);
}

.login-footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.95rem;
    color: #777;
}
.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

/* DESTACADOS */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 6rem 1rem;
}

.section-title {
    font-size: 2.8rem;
    margin: 4rem 0 3rem;
    padding-bottom: 1rem;
    border-bottom: 8px solid var(--primary);
    display: inline-block;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 4rem;
}

.card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 45px rgba(0,0,0,0.14);
    transition: 0.5s;
}
.card:hover {
    transform: translateY(-20px);
    box-shadow: 0 30px 70px rgba(0,0,0,0.22);
}
.card img { width: 100%; height: 280px; object-fit: cover; }
.card-content { padding: 2.4rem; }
.tag {
    background: var(--primary);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 1100px) { .login-panel { right: 30px; width: 380px; } }
@media (max-width: 992px) {
    .login-panel {
        position: relative;
        right: auto;
        transform: none;
        width: 420px;
        max-width: 90%;
        margin: 60px auto;
    }
}
@media (max-width: 768px) {
    header h1 { font-size: 5.5rem; letter-spacing: 10px; }
    header p { font-size: 1.9rem; letter-spacing: 5px; }
}