.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: radial-gradient(circle at center, #1e293b 0%, #0f172a 100%);
    padding-top: 70px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
}

.service-card {
    background-color: #1e293b;
    padding: 40px;
    border-radius: 15px;
    transition: 0.3s;
    border: 1px solid #334155;
}

.service-card:hover {
    border-color: #38bdf8;
    transform: translateY(-10px);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    display: block;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #38bdf8;
}

.services-outro {
    text-align: center;
    margin-top: 40px;
    font-size: 1.2rem;
    color: #94a3b8;
}

.section-alt {
    background-color: #0b1120;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: #1e293b;
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid #334155;
}

.portfolio-img {
    width: 100%;
    height: 200px;
    background-color: #334155;
    background-size: cover;
    background-position: center;
}

.portfolio-info {
    padding: 20px;
}

.portfolio-tag {
    color: #38bdf8;
}

.process-step {
    display: flex;
    align-items: center;
    background-color: #111827;
    padding: 30px;
    border-radius: 12px;
    border-left: 5px solid #38bdf8;
    margin-bottom: 20px;
}

.step-number {
    font-size: 2rem;
    font-weight: 800;
    color: #38bdf8;
    margin-right: 30px;
    min-width: 50px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background: #1e293b;
    padding: 50px;
    border-radius: 20px;
    border: 1px solid #334155;
}

.contact-info h3 {
    margin-bottom: 12px;
}

.contact-lead {
    margin: 20px 0;
    color: #94a3b8;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    background: #0f172a;
    border: 1px solid #334155;
    padding: 15px;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
}

.file-upload-box {
    border: 2px dashed #334155;
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: 0.3s;
}

.file-upload-box:hover,
.file-upload-box:focus {
    border-color: #38bdf8;
    background: #1a2438;
    outline: none;
}

.kakao-chat-fixed {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: 0.3s;
}

.kakao-label {
    background-color: #fef01b;
    color: #3c1e1e;
    padding: 10px 18px;
    border-radius: 25px;
    margin-right: 12px;
    font-weight: bold;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.kakao-icon-circle {
    width: 60px;
    height: 60px;
    background-color: #fef01b;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}