:root {
    --primary-color: #0056b3;
    --secondary-color: #f6891f;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3 {
    line-height: 1.2;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 40px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    font-size: 1.15rem;
    cursor: pointer;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #ff9d3f 100%);
    color: var(--white);
    box-shadow: 0 10px 20px rgba(246, 137, 31, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ff9d3f 0%, var(--secondary-color) 100%);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 30px rgba(246, 137, 31, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

/* Header / Sticky Navigation with Transparency (Glass Style) */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.5);
    /* Whiter glass */
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.btn-tel {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0072ee 100%) !important;
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.2);
    border-radius: 10px !important;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
}

.btn-tel:hover {
    transform: translateY(-2px) scale(1.05) !important;
    box-shadow: 0 8px 25px rgba(0, 86, 179, 0.3) !important;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 70px;
    /* Restored to original size */
    width: auto;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    /* More top padding due to fixed header */
    background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('image-hero-ev-charging-2.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    margin-bottom: 25px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.premium-text {
    background: linear-gradient(to right,
            var(--secondary-color) 0%,
            #ffc277 25%,
            #ffffff 50%,
            #ffc277 75%,
            var(--secondary-color) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
    animation: shimmer 5s infinite linear;
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

.secondary-title {
    font-size: 0.75em;
    display: block;
    /* Opcional: podrías ponerlo en una nueva línea para mayor impacto */
    margin-top: 10px;
    font-weight: 500;
    opacity: 0.9;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.hero-bullets {
    list-style: none;
    margin-bottom: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.hero-bullets li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.hero-bullets li::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23f6891f' viewBox='0 0 24 24'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E") no-repeat center;
}

.trust-line {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(5px);
    padding: 10px 20px;
    border-radius: 50px;
    display: inline-block;
    margin-bottom: 30px;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Sections */
section {
    padding: 100px 0;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 50px;
    text-align: center;
}

/* Why ADI */
.why-adi {
    background: var(--light-bg);
}

.trust-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.trust-card {
    flex: 1 1 350px;
    max-width: 380px;
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid rgba(0, 0, 0, 0.03);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.trust-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 86, 179, 0.1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.1) 0%, rgba(0, 86, 179, 0.05) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.trust-card:hover .card-icon {
    background: var(--primary-color);
    color: var(--white);
    transform: rotate(5deg) scale(1.1);
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.trust-card h3 {
    margin-bottom: 15px;
    color: #1a1a1a;
    font-size: 1.4rem;
    font-weight: 700;
}

.trust-card p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* Final CTA */
.final-cta {
    background: linear-gradient(rgba(0, 86, 179, 0.5), rgba(0, 86, 179, 0.5)), url('Home EV Charger.jpg');
    background-size: cover;
    background-position: center;
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    color: var(--white);
    font-size: clamp(2.8rem, 6vw, 4.2rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.cta-glass-box {
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(15px);
    padding: 60px 40px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 40px;
    display: inline-block;
    max-width: 900px;
}

.final-cta p {
    font-size: 1.3rem;
    margin-bottom: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

/* Footer (Original Style) */
footer {
    padding: 40px 0;
    background: var(--white);
    color: #666;
    text-align: center;
    font-size: 0.9rem;
    border-top: 1px solid #eee;
}

footer p {
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    footer {
        padding-bottom: 100px !important;
    }

    header .btn-tel {
        display: none !important;
    }

    .hero-bullets {
        grid-template-columns: 1fr;
    }

    .hero {
        text-align: center;
    }

    .hero-bullets li {
        justify-content: center;
    }

    .mobile-sticky-footer {
        display: flex !important;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background: var(--secondary-color);
        color: var(--white);
        padding: 20px;
        text-decoration: none;
        font-weight: 800;
        justify-content: center;
        gap: 10px;
        z-index: 1001;
    }
}

.mobile-sticky-footer {
    display: none;
}