@import url('https://fonts.googleapis.com/css2?family=Exo:wght@300;400;600;700&display=swap');

:root {
    --primary: #0058F0;
    --primary-glow: rgba(0, 88, 240, 0.4);
    --accent: #FAB612;
    --accent-glow: rgba(250, 182, 18, 0.3);
    --solar-accent: #ffcc00;
    --bg-dark: #070b11;
    --card-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

body {
    background: url('https://disproel.com/wp-content/uploads/2024/11/abstract-view-modern-architecture-scaled.jpg') center top;
    background-size: cover;
    background-attachment: fixed;
    color: var(--text-main);
    font-family: 'Exo', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, transparent, var(--bg-dark) 90%), 
                linear-gradient(to bottom, rgba(10, 14, 20, 0.6), var(--bg-dark));
    z-index: -1;
}

/* Header & Logo */
.logo {
    padding: 40px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInDown 0.8s ease-out;
}

.logo img {
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 0 15px rgba(0, 88, 240, 0.3));
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.02);
    filter: drop-shadow(0 0 25px rgba(0, 88, 240, 0.5));
}

/* Main Container */
.container, .main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

/* Product Detail Structure */
.image-container {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
}

.image-container img {
    width: 100%;
    display: block;
    transition: var(--transition);
}

.image-container:hover img {
    transform: scale(1.05);
}

.text-content {
    flex: 1.2;
    min-width: 300px;
    max-width: 600px;
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.text-content::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
    background: var(--accent);
    box-shadow: 0 0 15px var(--accent-glow);
}

h1, h2 {
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

p {
    color: var(--text-dim);
    margin-bottom: 15px;
    font-size: 1.05rem;
}

/* Buttons */
.download-btn, .btn-primary {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary), #003db3);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    margin-top: 20px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 20px rgba(0, 88, 240, 0.3);
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 88, 240, 0.5);
    filter: brightness(1.2);
}

/* Homepage Card Grid */
.card-container {
    max-width: 1300px;
    margin: 40px auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    padding: 20px;
}

.flip-card {
    background-color: transparent;
    width: 220px;
    height: 300px;
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.flip-card-front {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
}

.flip-card-back {
    background: linear-gradient(145deg, var(--card-bg), rgba(0, 88, 240, 0.1));
    backdrop-filter: blur(15px);
    transform: rotateY(180deg);
}

.flip-card-front img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 20px;
}

.flip-card h2 {
    font-size: 1.1rem;
    color: var(--text-main);
}

.flip-card p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Menu Selection Grid (Used in Menu Tableros, menu.html, etc.) */
.menu {
    max-width: 1200px;
    margin: 40px auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, 200px);
    gap: 20px;
    padding: 20px;
    justify-content: center;
}

.item {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px;
    width: 200px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}

.item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 88, 240, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.item:hover::before {
    opacity: 1;
}

.item a {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.item img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    filter: drop-shadow(0 6px 12px rgba(0,0,0,0.5));
    transition: var(--transition);
}

.item:hover img {
    transform: scale(1.1);
}

.item .text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.25;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 3rem;
    margin-top: 10px;
}

.item .text p, .item .text span {
    margin: 0;
    padding: 0;
    font-size: inherit;
    color: inherit;
    text-transform: inherit;
}

/* Specific Home/Back Navigation Fix */
.image1-container {
    width: 100%;
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px 20px;
}

.image1-container a img {
    width: 70px;
    height: auto;
    opacity: 0.8;
    transition: var(--transition);
}

.image1-container a:hover img {
    opacity: 1;
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px var(--accent-glow));
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Animations Keyframes */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .menu {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .item {
        max-width: 100%;
    }
    .image1-container {
        gap: 30px;
    }
}



/* Solar Navigation Menu */
.navbar {
    position: sticky;
    top: 20px;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 10px 30px;
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 0 auto 40px;
    width: fit-content;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.navbar a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: var(--transition);
    padding: 8px 15px;
    border-radius: 20px;
}

.navbar a:hover {
    color: var(--solar-accent);
    background: rgba(255, 204, 0, 0.1);
}

/* Solar Page Layouts */
.section-solar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 60px;
    margin-bottom: 100px;
    padding: 40px;
}

.section-solar:nth-child(even) {
    flex-direction: row-reverse;
}

.section-solar .text-content {
    background: rgba(10, 14, 20, 0.4);
    border-left: 4px solid var(--solar-accent);
}

.section-solar h1 {
    color: var(--solar-accent);
}

.section-solar ul {
    list-style: none;
    padding-left: 0;
}

.section-solar li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 20px;
    color: var(--text-dim);
}

.section-solar li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--solar-accent);
    font-weight: bold;
}