:root {
    --bg-base: #05070a;
    --bg-card: linear-gradient(135deg, rgba(17, 24, 39, 0.8), rgba(11, 15, 25, 0.9));
    --border-card: rgba(56, 189, 248, 0.18);
    --border-hover: rgba(56, 189, 248, 0.6);
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.35);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2rem 2.5rem;
    position: relative;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.07) 0%, transparent 40%),
        radial-gradient(circle at 85% 85%, rgba(14, 165, 233, 0.05) 0%, transparent 40%);
}

.top-bar {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto 1.2rem auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #64748b;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 0.75rem;
}

.system-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 10px #10b981;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0% { transform: scale(0.95); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 15px #10b981; }
    100% { transform: scale(0.95); opacity: 0.8; }
}

/* Cabecera y Menú de Navegación */
.main-header {
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(12px);
    padding: 1rem 1.8rem;
    border-radius: 16px;
    border: 1px solid var(--border-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.logo {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 4px;
    color: var(--accent);
    text-shadow: 0 0 25px var(--accent-glow);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.3s ease;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: rgba(56, 189, 248, 0.08);
}

.header-badge {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.4rem 1rem;
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

main {
    max-width: 950px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
    padding: 2.5rem 0;
}

.badge-container {
    margin-bottom: 1.2rem;
}

.badge {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.1), rgba(14, 165, 233, 0.05));
    color: var(--accent);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: inline-block;
    border: 1px solid rgba(56, 189, 248, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 3.2rem;
    margin-bottom: 1.2rem;
    line-height: 1.15;
    font-weight: 900;
    letter-spacing: -1px;
    color: #ffffff;
}

.highlight-text {
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 40px rgba(56, 189, 248, 0.2);
}

p.subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.cta-container {
    margin-bottom: 3.5rem;
}

.cta-button {
    background: linear-gradient(135deg, #0284c7, #0369a1);
    color: #ffffff;
    border: 1px solid rgba(56, 189, 248, 0.5);
    padding: 0.9rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 25px rgba(2, 132, 199, 0.4);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.cta-button:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, #0369a1, #075985);
    box-shadow: 0 15px 35px rgba(56, 189, 248, 0.4);
    border-color: var(--accent);
}

.features-title {
    font-size: 0.95rem;
    color: #cbd5e1;
    margin-bottom: 1.8rem;
    font-weight: 700;
    text-align: left;
    border-left: 3px solid var(--accent);
    padding-left: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1.5rem;
    text-align: left;
    margin-bottom: 3rem;
}

.feature-card, .supplier-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    padding: 1.8rem;
    border-radius: 18px;
    border: 1px solid var(--border-card);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.feature-card::before, .supplier-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.3;
    transition: opacity 0.3s;
}

.feature-card:hover, .supplier-card:hover {
    transform: translateY(-8px) scale(1.01);
    border-color: var(--border-hover);
    box-shadow: 0 25px 50px rgba(56, 189, 248, 0.15);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.95));
}

.feature-card:hover::before, .supplier-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    background: rgba(56, 189, 248, 0.1);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
    font-weight: 700;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Estilos de Proveedores */
.suppliers-section {
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.suppliers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    text-align: left;
}

.supplier-category {
    font-size: 0.75rem;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.3);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
    align-self: flex-start;
}

.supplier-card h3 {
    font-size: 1.15rem;
    color: #ffffff;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.supplier-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.supplier-btn {
    background: transparent;
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.4);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.supplier-btn:hover {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--accent);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
}

footer {
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-domain {
    color: var(--accent);
    font-weight: 600;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(14, 165, 233, 0.05));
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.brand-logo:hover .logo-icon {
    transform: scale(1.05);
    box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 900;
    letter-spacing: 4px;
    color: #ffffff;
}

.logo-highlight {
    color: var(--accent);
    text-shadow: 0 0 25px var(--accent-glow);
}