/* ==================================================
   STYLE 04 DESIGN SYSTEM - GLOWING 3D GLASSMorphism
   ================================================== */

:root {
    /* Style 04 Light Glowing Theme */
    --bg-main: #f0f4fd;
    --card-bg: rgba(255, 255, 255, 0.85);
    --card-border: rgba(255, 255, 255, 0.9);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --primary-blue: #2563eb;
    
    /* 3D Glowing Shadows */
    --card-shadow: 0 15px 35px -5px rgba(37, 99, 235, 0.12), 
                   0 0 15px 0 rgba(37, 99, 235, 0.05);
    --box-glow: 0 10px 20px -5px rgba(37, 99, 235, 0.25),
                0 0 12px 0 rgba(37, 99, 235, 0.15);
    
    --button-gradient: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    --button-glow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* 🌙 Automatic Dark Mode Glowing Theme */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-main: #0a0f1d;
        --card-bg: rgba(30, 41, 59, 0.75);
        --card-border: rgba(255, 255, 255, 0.12);
        --text-primary: #f8fafc;
        --text-secondary: #94a3b8;
        --primary-blue: #3b82f6;
        
        /* Dark Mode Intense Glow */
        --card-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.7),
                       0 0 20px 0 rgba(59, 130, 246, 0.15);
        --box-glow: 0 10px 25px -5px rgba(59, 130, 246, 0.4),
                    0 0 15px 0 rgba(59, 130, 246, 0.25);
        
        --button-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
        --button-glow: 0 8px 25px rgba(59, 130, 246, 0.5);
    }
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    padding: 30px 15px;
    -webkit-font-smoothing: antialiased;
}

.buy-panel-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* Glassmorphism Main Base Cards */
.hero-card, .features-section, .cta-card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 35px 30px;
    box-shadow: var(--card-shadow);
}

/* Hero Section Style */
.hero-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.hero-content {
    flex: 1;
}

.hero-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.highlight-blue {
    color: var(--primary-blue);
    text-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Glowing 3D Hero Icon Box */
.graphic-box {
    width: 95px;
    height: 95px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(37, 99, 235, 0.05) 100%);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.8rem;
    box-shadow: var(--box-glow);
    transform: perspective(500px) rotateY(-10deg) rotateX(10deg);
    transition: transform 0.3s ease;
}

.graphic-box:hover {
    transform: perspective(500px) rotateY(0deg) rotateX(0deg) scale(1.05);
}

/* Features Grid */
.section-title {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

/* 3D Glowing Feature Cards */
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 18px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

/* Glowing 3D Effect on Hover */
.feature-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: var(--box-glow);
}

/* Glowing Icon Box inside Card */
.icon-wrapper {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(37, 99, 235, 0.03) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.5), 0 4px 10px rgba(37, 99, 235, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover .icon-wrapper {
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.25) 0%, rgba(37, 99, 235, 0.08) 100%);
}

.feature-text {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* CTA & Contact Section */
.cta-card {
    text-align: center;
}

.cta-heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.cta-subtext {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.contact-info-row {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 25px;
}

.info-block {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.info-name, .info-phone {
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* Glowing 3D Button */
.whatsapp-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--button-gradient);
    color: #ffffff !important;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 40px;
    border-radius: 30px;
    text-decoration: none;
    box-shadow: var(--button-glow);
    transition: all 0.3s ease;
}

.whatsapp-button:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(37, 99, 235, 0.6);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 580px) {
    .hero-card {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .contact-info-row {
        gap: 20px;
    }

    .whatsapp-button {
        width: 100%;
        box-sizing: border-box;
    }
}