#chapter03 .section-content {
    width: 100%;
    max-width: 100%;
    padding: 1rem;
    overflow: visible;
    display: block;
    box-sizing: border-box;
}

.services-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 2rem;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.services-header {
    text-align: center;
    margin-bottom: 2rem;
}

.services-header h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    color: #ffffff;
    letter-spacing: -0.02em;
}

.services-header .tagline {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    letter-spacing: 0.01em;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, 280px);
    gap: 2rem;
    width: 100%;
    margin: 0 auto 2rem auto;
    padding: 0 2rem;
    justify-content: center;
}

.service-card-container {
    perspective: 1000px;
    height: 320px;
    min-height: 320px;
}

.service-card {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s;
    border-radius: 12px;
}

.service-card.flipped {
    transform: rotateY(180deg);
}

.card-front,
.card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-front {
    z-index: 2;
}

.card-back {
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
}

.card-front:hover,
.card-back:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-back:hover {
    transform: rotateY(180deg) translateY(-8px);
}

.card-front::before,
.card-back::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}


.service-title {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0.5rem;
    position: relative;
}

.service-card h3 {
    font-size: 1.2rem;
    margin: 0;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: -0.01em;
    text-align: center;
}

.info-icon {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    display: inline-block;
    width: 18px;
    height: 18px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    text-align: center;
    line-height: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.info-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.back-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.5rem;
}

.back-arrow {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: white;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    line-height: 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.back-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.back-header h3 {
    font-size: 1.2rem;
    margin: 0;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: -0.01em;
}

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

.info-content p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

.info-content p:last-child {
    margin-bottom: 0;
}

.service-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.price-unit {
    font-size: 0.8rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.6);
}

.service-description {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.quantity-selector {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.qty-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 400;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qty-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.qty-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none;
}

.qty-display {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    min-width: 50px;
    text-align: center;
}

.service-note {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    text-align: center;
    font-style: italic;
}

.order-summary {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 1.5rem 0 0 0;
    position: relative;
    z-index: 50;
}

.total-amount {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.cta-button {
    background: #ffffff;
    color: #000000;
    border: none !important;
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
    letter-spacing: 0.01em;
    position: relative;
    z-index: 9999;
    pointer-events: auto;
    touch-action: manipulation;
    outline: none !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    -webkit-appearance: none !important;
}

.cta-button:focus,
.cta-button:active {
    outline: none !important;
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.15) !important;
    border: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

.cta-button::-moz-focus-inner {
    border: 0 !important;
    outline: none !important;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

@media (max-width: 768px) {
    .services-hero {
        padding: 1rem 0.8rem;
    }
    
    .services-header {
        margin-bottom: 1.5rem;
    }
    
    .services-header h1 {
        font-size: 1.8rem;
        margin-bottom: 0.3rem;
    }
    
    .services-header .tagline {
        font-size: 0.9rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .service-card-container {
        height: 260px;
        min-height: 260px;
    }
    
    .card-front,
    .card-back {
        padding: 1rem;
    }
    
    .service-card h3 {
        font-size: 1rem;
    }
    
    .service-title {
        margin-bottom: 0.4rem;
    }
    
    .info-icon {
        width: 16px;
        height: 16px;
        font-size: 0.7rem;
        line-height: 14px;
    }
    
    .info-content p {
        font-size: 0.75rem;
        margin-bottom: 0.7rem;
        line-height: 1.4;
    }
    
    .back-header {
        margin-bottom: 0.8rem;
    }
    
    .back-arrow {
        width: 20px;
        height: 20px;
        line-height: 18px;
        font-size: 0.8rem;
    }
    
    .service-price {
        font-size: 1.4rem;
        margin-bottom: 0.4rem;
    }
    
    .price-unit {
        font-size: 0.7rem;
    }
    
    .service-description {
        font-size: 0.75rem;
        margin-bottom: 1rem;
        line-height: 1.3;
    }
    
    .quantity-selector {
        gap: 0.6rem;
        margin-bottom: 0.8rem;
    }
    
    .qty-btn {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .qty-display {
        padding: 0.3rem 0.6rem;
        font-size: 0.9rem;
        min-width: 45px;
    }
    
    .total-amount {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }
    
    .cta-button {
        padding: 0.9rem 1.8rem;
        font-size: 0.95rem;
        min-height: 48px;
        min-width: 120px;
        display: inline-block;
        position: relative;
        z-index: 9999;
        pointer-events: auto;
        touch-action: manipulation;
        outline: none !important;
        border: none !important;
        -webkit-tap-highlight-color: transparent !important;
        -webkit-focus-ring-color: transparent !important;
        -webkit-appearance: none !important;
    }
}

@media (max-width: 480px) {
    .services-hero {
        padding: 4rem 0.5rem 1rem 0.5rem;
        min-height: auto;
    }
    
    .services-header h1 {
        font-size: 1.5rem;
    }
    
    .services-header .tagline {
        font-size: 0.8rem;
    }
    
    .services-grid {
        gap: 1rem;
        padding: 0 0.25rem;
        max-width: 320px;
    }
    
    .service-card-container {
        height: 240px;
        min-height: 240px;
    }
    
    .card-front,
    .card-back {
        padding: 0.8rem;
    }
    
    .service-card h3 {
        font-size: 0.9rem;
    }
    
    .service-price {
        font-size: 1.2rem;
    }
    
    .service-description {
        font-size: 0.7rem;
        margin-bottom: 0.8rem;
    }
    
    .info-content p {
        font-size: 0.7rem;
        margin-bottom: 0.6rem;
    }
    
    .qty-btn {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    
    .qty-display {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
        min-width: 40px;
    }
    
    .total-amount {
        font-size: 1.4rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin: 15% auto;
    padding: 30px;
    width: 90%;
    max-width: 500px;
    border-radius: 16px;
    text-align: center;
    backdrop-filter: blur(20px);
    color: white;
    box-sizing: border-box;
}

.modal-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.modal-content p {
    font-size: 1rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.modal-btn {
    padding: 12px 24px;
    border: none !important;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 180px;
    outline: none !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    -webkit-appearance: none !important;
}

.modal-btn:focus,
.modal-btn:active {
    outline: none !important;
    transform: scale(1.02);
    border: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

.modal-btn::-moz-focus-inner {
    border: 0 !important;
    outline: none !important;
}

.modal-btn.primary {
    background: #ffffff;
    color: #000000;
}

.modal-btn.primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.modal-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.modal-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.website-input {
    margin-top: 1rem;
}

.website-input label {
    display: block;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.website-input input {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.website-input input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.website-input input:focus {
    outline: none;
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
}

.input-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.validation-message {
    margin-top: 1rem;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.validation-message.error {
    background: rgba(220, 53, 69, 0.2);
    border: 1px solid rgba(220, 53, 69, 0.5);
    color: #ff6b6b;
}

.order-details {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    text-align: left;
    white-space: pre-line;
    color: rgba(255, 255, 255, 0.9);
    font-family: monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }
    
    .modal-buttons,
    .input-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-btn {
        width: 100%;
        max-width: 250px;
    }
}

@media (max-width: 320px) {
    .services-hero {
        padding: 3.5rem 0.3rem 1rem 0.3rem;
        min-height: auto;
    }
}