/* =========================================
   HFC Hero Section
========================================= */
.hfc-hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(232, 244, 252, 0.95) 0%, rgba(232, 244, 252, 0.98) 100%),
                url('https://images.unsplash.com/photo-1567401893414-76b7b1e5a7a5?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 20px 80px;
    overflow: hidden;
}

.hfc-hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.9) 0%, rgba(232, 244, 252, 0.6) 50%, transparent 100%);
    z-index: 1;
}

.hfc-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    text-align: center;
}

/* Badge */
.hfc-hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-blue), #2980b9);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2rem;
    box-shadow: 0 8px 20px rgba(59, 175, 218, 0.3);
}

/* Title */
.hfc-hero-title {
    font-size: 4.2rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--deep-navy) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 15px rgba(11, 60, 93, 0.1);
}

/* Subtitle */
.hfc-hero-subtitle {
    font-size: 1.4rem;
    color: var(--secondary-grey);
    line-height: 1.7;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Grid */
.hfc-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.8rem;
    margin-top: 3rem;
}

/* Individual Feature */
.hfc-feature {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(59, 175, 218, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hfc-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* Feature Icon */
.hfc-feature-icon {
    font-size: 2.8rem;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

/* Feature Text */
.hfc-feature-text {
    font-size: 1rem;
    color: var(--deep-navy);
    font-weight: 600;
}

/* =========================================
   RESPONSIVE
========================================= */

/* Tablets */
@media (max-width: 992px) {
    .hfc-hero-title {
        font-size: 3.4rem;
    }

    .hfc-hero-subtitle {
        font-size: 1.25rem;
    }

    .hfc-features-grid {
        gap: 1.5rem;
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .hfc-hero-section {
        padding: 80px 20px 50px;
    }

    .hfc-hero-title {
        font-size: 2.6rem;
    }

    .hfc-hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
    }

    .hfc-features-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .hfc-feature {
        padding: 1.5rem 1.2rem;
    }

    .hfc-feature-icon {
        font-size: 2.2rem;
    }
}

/* Extra Small Phones */
@media (max-width: 480px) {
    .hfc-hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hfc-hero-subtitle {
        font-size: 1rem;
    }

    .hfc-feature-icon {
        font-size: 2rem;
    }

    .hfc-feature-text {
        font-size: 0.95rem;
    }
}

        /* ================================
           APPLICATIONS SECTION
        ================================ */
        .applications-section {
            padding: 6rem 0;
            background: white;
        }
        
        .application-item {
            display: flex;
            align-items: center;
            padding: 2rem;
            background: rgba(232, 244, 252, 0.3);
            border-radius: 16px;
            margin-bottom: 1.5rem;
            transition: all 0.3s ease;
            border: 1px solid rgba(52, 152, 219, 0.1);
        }
        
        .application-item:hover {
            transform: translateX(10px);
            background: rgba(52, 152, 219, 0.05);
        }
        
        .application-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #3498db, #2980b9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            flex-shrink: 0;
        }
        
        .application-icon i {
            font-size: 1.8rem;
            color: white;
        }
        
        /* ================================
           INSTALLATION GUIDE
        ================================ */
        .installation-section {
            padding: 6rem 0;
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
        }
        
        .installation-step {
            display: flex;
            align-items: flex-start;
            margin-bottom: 2.5rem;
            background: rgba(255, 255, 255, 0.1);
            padding: 2rem;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .step-number {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #3498db, #2980b9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            margin-right: 1.5rem;
            flex-shrink: 0;
        }
       
        /* ================================
           CTA SECTION
        ================================ */
        .condensing-cta-section {
            padding: 6rem 0;
            background: linear-gradient(135deg, #3498db, #2980b9);
            position: relative;
            overflow: hidden;
        }
        
        .condensing-cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .condensing-cta-title {
            font-size: 3rem;
            font-weight: 800;
            color: white;
            margin-bottom: 1.5rem;
        }
        
        .condensing-cta-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 3rem;
            line-height: 1.7;
        }
        
        .btn-condensing-cta {
            background: white;
            color: #3498db;
            border: none;
            padding: 1.2rem 3rem;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 1rem;
            text-decoration: none;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
        
        .btn-condensing-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
            color: #2980b9;
        }
        
        /* ================================
           RESPONSIVE DESIGN
        ================================ */
        @media (max-width: 992px) {
            .application-item {
                flex-direction: column;
                text-align: center;
            }
            
            .application-icon {
                margin-right: 0;
                margin-bottom: 1rem;
            }
            
            .installation-step {
                flex-direction: column;
                text-align: center;
            }
            
            .step-number {
                margin-right: 0;
                margin-bottom: 1rem;
            }
            
            .condensing-cta-title {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 768px) {
            
            .condensing-cta-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 576px) {
            .condensing-hero-title {
                font-size: 1.8rem;
            }
            
            .condensing-cta-title {
                font-size: 1.8rem;
            }
            
            .btn-condensing-cta {
                padding: 1rem 2rem;
                font-size: 1rem;
            }
          
        }

        /* ================= VARIANTS SECTION ================= */
.variants1-section {
    padding: 4rem 1rem;
    background: linear-gradient(135deg, #f8fafc, #ffffff);
    position: relative;
    overflow: hidden;
}

.variants1-section .section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title3 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #0b3c5d;
    margin-bottom: 0.5rem;
}

.section-subtitle3 {
    font-size: 1rem;
    color: #556677;
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
}

/* ================= VARIANTS GRID ================= */
.variants-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

/* ================= VARIANT CARD ================= */
.variant-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(11, 60, 93, 0.07);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.variant-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 60px rgba(11, 60, 93, 0.15);
}

/* ================= VARIANT HEADER ================= */
.variant-header {
    position: relative;
    overflow: hidden;
}

.variant-header img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}

.variant-card:hover .variant-header img {
    transform: scale(1.05);
}

/* Badge */
.variant-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #3bafda;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    text-transform: uppercase;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* ================= VARIANT BODY ================= */
.variant-body {
    padding: 1.5rem;
}

.variant-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0b3c5d;
    margin-bottom: 0.5rem;
}

.variant-desc {
    font-size: 0.9rem;
    color: #556677;
    line-height: 1.6;
}

/* ================= VARIANT FOOTER ================= */
.variant-footer {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    justify-content: center;
}

.btn-outline-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.4rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 10px;
    border: 2px solid #3bafda;
    color: #3bafda;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: #3bafda;
    color: #fff;
    transform: translateY(-2px);
}

/* ================= FADE-IN ANIMATION ================= */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: 0.2s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ================= MEDIA QUERIES ================= */
@media (min-width: 600px) {
    .variants-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .section-title3 {
        font-size: 2rem;
    }

    .section-subtitle3 {
        font-size: 1.05rem;
    }
}

@media (min-width: 992px) {
    .variants-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .section-title3 {
        font-size: 2.3rem;
    }

    .variant-title {
        font-size: 1.3rem;
    }

    .variant-desc {
        font-size: 0.95rem;
    }
}

@media (min-width: 1200px) {
    .variants-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}