:root {
    --primary: #94a3b8;
    --primary-dark: #475569;
    --primary-glow: rgba(148, 163, 184, 0.4);
    --bg-color: #0a0a0a;
    --card-bg: rgba(38, 38, 38, 0.7);
    --text-color: #f8fafc;
    --text-light: #94a3b8;
    --whatsapp: #25d366;
    --glass-border: 1px solid rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        radial-gradient(circle at 15% 50%, rgba(148, 163, 184, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(148, 163, 184, 0.15), transparent 25%),
        conic-gradient(from 0deg, rgba(255, 255, 255, 0.02) 90deg, transparent 90deg 180deg, rgba(255, 255, 255, 0.02) 180deg 270deg, transparent 270deg);
    background-size: 100% 100%, 100% 100%, 60px 60px;
}

.container {
    max-width: 90%;
    margin: 0 auto;
    padding: 4rem 2rem;
    text-align: center;
}

.logo {
    margin-bottom: 2rem;
}

.logo img {
    max-height: 100px;
    width: auto;
    display: inline-block;
}

.logo span {
    color: var(--primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-card {
    background: var(--card-bg);
    border: var(--glass-border);
    padding: 2.5rem 2rem;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(148, 163, 184, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), 0 0 20px var(--primary-glow);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    font-size: 1rem;
}

.cta-box {
    background: linear-gradient(135deg, rgba(38, 38, 38, 0.9), rgba(10, 10, 10, 0.9));
    border: 1px solid var(--primary);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 0 40px var(--primary-glow);
}

.cta-box h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-box p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    background: var(--whatsapp);
    color: #fff;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background: #1da851;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

.instructions-box {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 20px;
    margin-bottom: 4rem;
    text-align: left;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.instructions-box h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.instructions-box p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* --- CUSTOM MODAL --- */
.custom-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
}

.custom-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.custom-modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.3s ease;
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.custom-modal-overlay.active .custom-modal-content {
    transform: translateY(0);
}

.custom-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.5rem;
    transition: 0.2s;
}

.custom-modal-close:hover {
    color: var(--primary);
    transform: scale(1.1);
}

.premium-list {
    list-style: none;
    padding: 0;
}

.premium-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-color);
}

.pulse-icon {
    color: var(--primary);
    font-size: 1.2rem;
    margin-top: 3px;
}

.social-icons-preview {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    margin-top: 1.5rem;
    font-size: 1.8rem;
}

.social-icons-preview i {
    color: var(--text-light);
    transition: all 0.3s;
}

.social-icons-preview i.fa-whatsapp:hover {
    color: #25d366;
    transform: scale(1.2);
}

.social-icons-preview i.fa-facebook:hover {
    color: #1877F2;
    transform: scale(1.2);
}

.social-icons-preview i.fa-instagram:hover {
    color: #E4405F;
    transform: scale(1.2);
}

.social-icons-preview i.fa-envelope:hover {
    color: var(--primary);
    transform: scale(1.2);
}

.hero-section {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 5rem;
    text-align: left;
    min-height: 500px;
}

.hero-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-text h1 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.hero-text .subtitle {
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 0;
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    background: var(--primary-glow);
    filter: blur(60px);
    border-radius: 50%;
    z-index: -1;
    top: 10%;
    left: 10%;
}

.hero-img-element {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: perspective(1000px) rotateY(-10deg);
    transition: all 0.5s ease;
}

.hero-img-element:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
    box-shadow: 0 25px 50px rgba(14, 165, 233, 0.3);
}

@media (max-width: 768px) {
    .container {
        max-width: 96%;
        padding: 2rem 1rem;
    }

    .logo {
        margin-bottom: 1.5rem;
    }

    .logo img {
        max-height: 55px;
    }

    .hero-section {
        flex-direction: column;
        text-align: center;
        align-items: center;
        min-height: auto;
        margin-bottom: 3rem;
        gap: 1.5rem;
    }

    .hero-text h1 {
        text-align: center;
        font-size: 2rem;
    }

    .hero-text .subtitle {
        margin: 0 auto;
        font-size: 1rem;
    }

    .hero-image {
        width: 100%;
        height: auto;
        min-height: auto;
        margin-top: 1rem;
        display: block;
    }

    .hero-img-element {
        position: relative;
        width: 100%;
        height: 220px;
        object-fit: cover;
        transform: none;
        border-radius: 14px;
    }

    .hero-img-element:hover {
        transform: scale(1.01);
    }

    .features-grid {
        gap: 1.2rem;
        margin-bottom: 2.5rem;
    }

    .feature-card {
        padding: 1.8rem 1.2rem;
    }

    .instructions-box {
        padding: 1.8rem 1.2rem;
        margin-bottom: 2.5rem;
        border-radius: 16px;
    }

    .instructions-box h3 {
        font-size: 1.4rem;
    }

    .banner-highlight {
        padding: 2rem 1.2rem;
        margin-bottom: 2.5rem;
        border-radius: 16px;
    }

    .banner-content h2 {
        font-size: 1.5rem;
    }

    .banner-content p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .btn-demo {
        padding: 0.9rem 1.4rem;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }

    .cta-box {
        padding: 2rem 1.2rem;
        border-radius: 16px;
    }

    .cta-box h2 {
        font-size: 1.5rem;
    }

    .btn-whatsapp {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }
}

.banner-highlight {
    background: linear-gradient(135deg, rgba(38, 38, 38, 0.8), rgba(10, 10, 10, 0.9));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--primary-glow);
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin-bottom: 4rem;
}

.banner-highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--primary-glow) 0%, transparent 60%);
    opacity: 0.1;
    z-index: 0;
    pointer-events: none;
}

.banner-content {
    position: relative;
    z-index: 1;
}

.banner-content h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.banner-content p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.btn-demo {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--primary-dark);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.btn-demo:hover {
    background: #fff;
    color: #000;
    box-shadow: 0 15px 30px rgba(255, 255, 255, 0.2), 0 0 20px var(--primary-glow);
    transform: translateY(-3px) scale(1.02);
}

.footer {
    margin-top: 4rem;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: var(--glass-border);
    padding-top: 2rem;
}

.footer-logo img {
    max-height: 50px;
    width: auto;
    margin-bottom: 1rem;
    display: inline-block;
}