/* 순공100 공식 웹사이트 - 공통 스타일 */

/* ========== 기본 설정 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 브랜드 컬러 - 스타벅스 스타일 */
    --primary-green: #00704a;
    --primary-green-dark: #005235;
    --primary-green-light: #008055;
    --secondary-purple: #7c3aed;
    --secondary-blue: #3b82f6;
    --accent-red: #ef4444;
    
    /* 그레이스케일 */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* 기타 */
    --white: #ffffff;
    --black: #000000;
    
    /* 그림자 */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* 트랜지션 */
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ========== 타이포그래피 ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

a {
    color: var(--primary-green);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-green-dark);
}

/* ========== 내비게이션 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-logo img {
    height: 50px;
    width: auto;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.navbar-menu li {
    position: relative;
}

.navbar-menu a {
    font-weight: 500;
    color: var(--gray-800);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: var(--transition);
    display: block;
}

.navbar-menu a:hover {
    background: var(--gray-100);
    color: var(--primary-green);
}

.navbar-menu a.active {
    color: var(--primary-green);
    font-weight: 700;
}

/* 드롭다운 메뉴 */
.navbar-menu .dropdown {
    position: relative;
}

.navbar-menu .dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: 0.5rem;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    z-index: 1000;
}

.navbar-menu .dropdown:hover .dropdown-content {
    display: block;
}

.navbar-menu .dropdown-content a {
    padding: 0.75rem 1.5rem;
    border-radius: 0;
}

.navbar-menu .dropdown-content a:hover {
    background: var(--gray-100);
}

.navbar-menu .dropdown > a::after {
    content: '\f078';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    margin-left: 0.5rem;
    font-size: 0.75rem;
}

/* 모바일 메뉴 토글 */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== 버튼 스타일 ========== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-green-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ========== 컨테이너 ========== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== 카드 스타일 ========== */
.card {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.hover-card:hover {
    box-shadow: 0 20px 40px rgba(0, 112, 74, 0.15);
    transform: translateY(-8px) scale(1.02);
    border: 2px solid var(--primary-green);
}

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

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.card-description {
    color: var(--gray-600);
}

/* ========== 그리드 시스템 ========== */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ========== 푸터 ========== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--gray-300);
}

.footer-section a:hover {
    color: var(--primary-green-light);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 2rem;
    text-align: center;
}

/* ========== 히어로 섹션 ========== */
.hero {
    padding-top: 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* ========== 배지/태그 ========== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.badge-secondary {
    background: var(--gray-200);
    color: var(--gray-800);
}

.badge-success {
    background: #10b981;
    color: var(--white);
}

/* ========== 폼 요소 ========== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--gray-800);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 139, 111, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========== 유틸리티 클래스 ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-col { flex-direction: column; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* ========== 반응형 디자인 ========== */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .navbar-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: var(--transition);
    }
    
    .navbar-menu.active {
        transform: translateX(0);
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .container {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .btn {
        width: 100%;
    }
    
    .navbar-container {
        padding: 1rem;
    }
}

/* ========== 애니메이션 ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* 스크롤 애니메이션 */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}