.hero-section {
    padding: 8rem 0 5rem 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(16,185,129,0.08) 0%, transparent 60%);
    pointer-events: none;
}
.text-gradient {
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.feature-card {
    background: #ffffff;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 20px;
    padding: 2.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    height: 100%;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    border-color: rgba(16,185,129,0.2);
}
.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}
.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #10b981;
    color: white;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0 5px 15px rgba(16,185,129,0.3);
}
.step-card {
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    height: 100%;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    border: 1px solid transparent;
}
.step-card:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08) !important;
}
.step-card-green {
    background: #f0fdf4 !important;
    border-color: rgba(16,185,129,0.15) !important;
}
.step-card-green .step-circle {
    background: #10b981 !important;
    box-shadow: 0 8px 20px rgba(16,185,129,0.3) !important;
}
.step-card-blue {
    background: #eff6ff !important;
    border-color: rgba(59,130,246,0.15) !important;
}
.step-card-blue .step-circle {
    background: #3b82f6 !important;
    box-shadow: 0 8px 20px rgba(59,130,246,0.3) !important;
}
.step-card-purple {
    background: #faf5ff !important;
    border-color: rgba(139,92,246,0.15) !important;
}
.step-card-purple .step-circle {
    background: #8b5cf6 !important;
    box-shadow: 0 8px 20px rgba(139,92,246,0.3) !important;
}
.calculator-card {
    background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
    color: white;
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 50px rgba(15,23,42,0.3);
}
.calculator-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #334155;
    outline: none;
    margin: 1.5rem 0;
}
.calculator-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #10b981;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(16,185,129,0.5);
    transition: transform 0.1s;
}
.calculator-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}
.calculator-select {
    background: #334155;
    border: 1px solid #475569;
    color: white;
    border-radius: 50px;
    padding: 0.5rem 1.5rem;
    outline: none;
    cursor: pointer;
}
.calculator-select option {
    background: #1e293b;
    color: white;
}
.cta-banner {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border-radius: 24px;
    padding: 4rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(16,185,129,0.25);
}
.cta-banner::before {
    content: "";
    position: absolute;
    top: -20%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
    pointer-events: none;
}
.btn-pulse-primary {
    background: #10b981 !important;
    color: #ffffff !important;
    border: none !important;
    padding: 0.9rem 2.2rem !important;
    font-weight: 700 !important;
    border-radius: 50px !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 10px 20px rgba(16,185,129,0.3) !important;
    display: inline-block !important;
    text-decoration: none !important;
}
.btn-pulse-primary:hover {
    background: #059669 !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 15px 25px rgba(16,185,129,0.4) !important;
    color: #ffffff !important;
}
.btn-outline-green {
    border: 2px solid #10b981 !important;
    color: #10b981 !important;
    background: #ffffff !important;
    padding: 0.9rem 2.2rem !important;
    font-weight: 700 !important;
    border-radius: 50px !important;
    transition: all 0.3s ease !important;
    display: inline-block !important;
    text-decoration: none !important;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05) !important;
}
.btn-outline-green:hover {
    border-color: #059669 !important;
    background: #10b981 !important;
    color: #ffffff !important;
}
#mockup-tab .nav-link {
    color: #475569 !important;
    background: #f1f5f9 !important;
    transition: all 0.2s ease !important;
}
#mockup-tab .nav-link.active {
    color: #ffffff !important;
    background-color: #10b981 !important;
    box-shadow: 0 4px 10px rgba(16,185,129,0.2) !important;
}
.accordion-button:not(.collapsed) {
    background-color: rgba(16,185,129,0.04) !important;
    color: #10b981 !important;
    box-shadow: none !important;
}
.accordion-button:not(.collapsed)::after {
    filter: sepia(100%) hue-rotate(100deg) saturate(200%);
}

/* Premium Lightbox Overlay CSS */
.lightbox-trigger {
    cursor: zoom-in;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, filter 0.3s ease;
}
.lightbox-trigger:hover {
    transform: scale(1.015);
    filter: brightness(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1) !important;
}
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 85%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 12px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.lightbox-overlay.active .lightbox-image {
    transform: scale(1);
}
.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    line-height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    z-index: 100000;
}
.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
    color: #10b981;
}
.lightbox-caption {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 15px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    background: rgba(15, 23, 42, 0.6);
    padding: 6px 16px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}