/* 히어로 섹션 */
.hero-section {
    position: relative;
    height: 100vh;
    background: linear-gradient(rgba(0, 33, 71, 0.7), rgba(0, 33, 71, 0.7)),
    url('/img/index/vishnu-mohanan-pfR18JNEMv8-unsplash.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero-content .subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-content .english-subtitle {
    font-size: 1.2rem;
    opacity: 0.8;
    font-style: italic;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    animation: bounce 2s infinite;
}

/* 섹션 공통 스타일 */
.section-padding {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #002147;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #6c757d;
    margin-bottom: 3rem;
}

/* 회사 소개 섹션 */
.about-section {
    background: #f8f9fa;
}

.about-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.about-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0066cc, #004499);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

/* 제품 섹션 */
.product-section {
    background: linear-gradient(135deg, #002147, #003366);
    color: white;
}

.product-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #66ccff;
}

/* 문의 섹션 */
.contact-section {
    background: #f8f9fa;
}

.contact-form {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
}

.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 12px 15px;
    transition: border-color 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 0.2rem rgba(0, 102, 204, 0.25);
}

.btn-primary-custom {
    background: linear-gradient(135deg, #0066cc, #004499);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    transition: transform 0.3s ease;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #004499, #002147);
}

.btn-outline-custom {
    border: 2px solid #0066cc;
    color: #0066cc;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-custom:hover {
    background: #0066cc;
    color: white;
    transform: translateY(-2px);
}

/* 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 반응형 */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content .subtitle {
        font-size: 1.2rem;
    }

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

    .contact-form {
        margin: 0 1rem;
        padding: 2rem;
    }
}