@charset "UTF-8";

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #F59E0B;
    --secondary: #D97706;
    --accent: #FCD34D;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

#header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
    position: relative;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: color 0.3s;
}

.logo:hover {
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 40px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav a {
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 700;
    font-size: 17px;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--primary);
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    position: absolute;
    right: 20px;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    z-index: 2000;
    transition: right 0.3s;
    padding: 20px;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 60px;
}

.mobile-menu nav a {
    text-decoration: none;
    color: var(--gray-900);
    font-weight: 700;
    font-size: 18px;
    transition: color 0.3s;
}

.mobile-menu nav a:hover {
    color: var(--primary);
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 30px;
    cursor: pointer;
}

/* Hero */
.hero {
    padding: 150px 20px 100px;
    background: linear-gradient(135deg, #FFFBEB 0%, #ffffff 100%);
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
}

.highlight {
    color: var(--primary);
}

.subtitle {
    font-size: 20px;
    color: var(--gray-600);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary);
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.btn-full {
    width: 100%;
    font-size: 18px;
}

/* Sections */
section {
    padding: 80px 20px;
}

.section-title {
    text-align: center;
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 50px;
}

/* About */
.about {
    background: linear-gradient(135deg, #ffffff 0%, #FFFBEB 100%);
    padding: 100px 20px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content .section-title {
    margin-bottom: 40px;
    font-size: 36px;
}

.about-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 30px;
}

.about-description strong {
    color: var(--gray-900);
    font-weight: 700;
}

.about-highlight {
    font-size: 20px;
    line-height: 1.8;
    margin-top: 50px;
    padding: 30px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.15);
    border-left: 5px solid var(--primary);
}

.about-highlight .highlight {
    font-size: 22px;
    font-weight: 700;
}

/* Services-Portfolio 통합 */
.services-portfolio {
    background: var(--gray-50);
}

#servicesPortfolioContainer {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.service-block {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.3s;
}

.service-block:hover {
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.15);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--gray-100);
    margin-bottom: 30px;
}

.service-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    border-radius: 20px;
    flex-shrink: 0;
}

.service-icon img {
    width: auto;
    height: 70px;
    object-fit: contain;
    transition: transform 0.3s;
}

.service-block:hover .service-icon img {
    transform: scale(1.1);
}

.service-info {
    flex: 1;
}

.service-info h3 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.service-info p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.6;
}

.service-projects {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.project-mini-card {
    background: var(--gray-50);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.project-mini-card:hover {
    border-color: var(--primary);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.2);
    transform: translateY(-3px);
}

.project-mini-image {
    height: 180px;
    overflow: hidden;
}

.project-mini-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.project-mini-card:hover .project-mini-image img {
    transform: scale(1.08);
}

.project-mini-content {
    padding: 20px;
}

.project-mini-content h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.project-mini-content p {
    font-size: 14px;
    color: var(--gray-600);
    margin-bottom: 12px;
    line-height: 1.5;
}

.project-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    background: white;
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--primary);
}

/* Contact */
.contact {
    background: white;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--gray-700);
}

.required {
    color: red;
}

.form-group input,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--gray-300);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

.error {
    color: red;
    font-size: 14px;
    margin-top: 5px;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 50px 20px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand {
    font-size: 24px;
    font-weight: 800;
    color: white;
    letter-spacing: -0.5px;
    margin-bottom: 15px;
}

.footer h3 {
    color: white;
    margin-bottom: 15px;
}

.footer ul {
    list-style: none;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: white;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 30px;
    text-align: center;
}

/* Responsive */

/* 태블릿 (768px ~ 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
    .container {
        padding: 0 30px;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 모바일 가로/소형 태블릿 (481px ~ 768px) */
@media (max-width: 768px) {
    .nav {
        display: none;
        position: static;
        transform: none;
    }
    
    .menu-btn {
        display: block;
    }
    
    .logo {
        font-size: 22px;
    }
    
    #header .container {
        height: 70px;
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .subtitle {
        font-size: 16px;
    }
    
    section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        padding: 14px 25px;
    }
    
    .about {
        padding: 60px 20px;
    }
    
    .about-content .section-title {
        font-size: 28px;
    }
    
    .about-description {
        font-size: 16px;
    }
    
    .about-highlight {
        font-size: 17px;
        padding: 25px 20px;
    }
    
    .about-highlight .highlight {
        font-size: 18px;
    }
    
    .service-block {
        padding: 30px 25px;
    }
    
    .service-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .service-icon {
        width: 80px;
        height: 80px;
    }
    
    .service-icon img {
        height: 55px;
    }
    
    .service-info h3 {
        font-size: 24px;
    }
    
    .service-info p {
        font-size: 15px;
    }
    
    .service-projects {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 0 10px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 모바일 세로 (~ 480px) */
@media (max-width: 480px) {
    .logo {
        font-size: 20px;
    }
    
    #header .container {
        height: 60px;
    }
    
    .hero {
        padding: 90px 15px 50px;
    }
    
    .hero h1 {
        font-size: 26px;
        line-height: 1.3;
    }
    
    .subtitle {
        font-size: 14px;
    }
    
    section {
        padding: 50px 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 15px;
    }
    
    .about {
        padding: 50px 15px;
    }
    
    .about-content .section-title {
        font-size: 24px;
    }
    
    .about-description {
        font-size: 15px;
    }
    
    .about-highlight {
        font-size: 16px;
        padding: 20px 15px;
        margin-top: 30px;
    }
    
    .about-highlight .highlight {
        font-size: 17px;
    }
    
    .service-block {
        padding: 25px 20px;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
    }
    
    .service-icon img {
        height: 50px;
    }
    
    .service-info h3 {
        font-size: 22px;
    }
    
    .service-info p {
        font-size: 14px;
    }
    
    .project-mini-content h4 {
        font-size: 16px;
    }
    
    .project-mini-content p {
        font-size: 13px;
    }
    
    .portfolio-content {
        padding: 20px;
    }
    
    .portfolio-content h3 {
        font-size: 18px;
    }
    
    .mobile-menu {
        width: 100%;
    }
}