@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

:root {
    --primary-color: #4D94FF;
    --primary-dark: #3A7BD5;
    --secondary-color: #43B581;
    --accent-color: #FFD166;
    --dark-color: #2C3E50;
    --light-color: #F7F9FB;
    --gray-color: #A0AEC0;
    --danger-color: #FF6B6B;
    --warning-color: #FFBE0B;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: 0.5em;
}

p {
    margin-bottom: 1rem;
}

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

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

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

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

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

.btn-secondary:hover {
    background-color: #379669;
    color: white;
}

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

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 15px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0;
}

.subtitle {
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-bottom: 0;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.help-button {
    background-color: var(--danger-color);
    color: white !important;
    padding: 8px 16px !important;
    border-radius: var(--border-radius);
}

.help-button:hover {
    background-color: #e25555;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark-color);
}

/* Hero Section */
.hero {
    padding-top: 150px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
    color: white;
    text-align: center;
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* About Section */
.about {
    background-color: white;
}

.about-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
}

.card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    flex: 1;
    min-width: 300px;
    max-width: 350px;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* Education Section */
.education {
    background-color: var(--light-color);
}

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 10px;
}

.tab-btn {
    padding: 12px 25px;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    color: var(--primary-color);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease-in-out;
}

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

.education-item {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    transition: var(--transition);
}

.education-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.education-item h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.resource-list {
    margin-top: 20px;
    padding-left: 20px;
}

.resource-list li {
    margin-bottom: 8px;
    position: relative;
}

.resource-list li::before {
    content: '•';
    color: var(--secondary-color);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Prevention Section */
.prevention {
    background-color: white;
}

.prevention-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.info-block {
    margin-bottom: 20px;
}

.info-block h3 {
    margin-bottom: 25px;
    font-size: 1.8rem;
    text-align: center;
}

.warning-signs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.warning-sign {
    text-align: center;
    padding: 20px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.warning-sign i {
    font-size: 2rem;
    color: var(--danger-color);
    margin-bottom: 15px;
}

.accordion-item {
    margin-bottom: 15px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 15px 20px;
    background-color: var(--light-color);
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.accordion-header:hover {
    background-color: rgba(77, 148, 255, 0.1);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: white;
}

.accordion-content p {
    padding: 20px;
    margin: 0;
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

.accordion-item.active .accordion-header i {
    transform: rotate(180deg);
}

/* Resources Section */
.resources {
    background-color: var(--light-color);
}

.resources-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.self-check h3, .coping-strategies h3 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.checklist {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
}

.checklist-item {
    margin-bottom: 25px;
}

.checklist-item p {
    margin-bottom: 10px;
    font-weight: 500;
}

.options {
    display: flex;
    justify-content: space-between;
}

.options span {
    padding: 8px 10px;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.options span:hover {
    background-color: rgba(77, 148, 255, 0.2);
}

.checklist-note {
    font-size: 0.8rem;
    color: var(--gray-color);
    text-align: center;
    margin-top: 20px;
}

.strategy-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.strategy {
    display: flex;
    align-items: flex-start;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.strategy:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.strategy i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-right: 15px;
    margin-top: 5px;
}

.strategy h4 {
    margin-bottom: 5px;
}

.strategy p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Contact Section */
.contact {
    background-color: white;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.emergency-contacts h3, .school-contacts h3 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.contact-card {
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.contact-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.contact-header i {
    font-size: 1.5rem;
    color: var(--danger-color);
    margin-right: 10px;
}

.contact-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--danger-color);
    margin-bottom: 10px;
}

.contact-desc {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-bottom: 0;
}

.school-support {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.support-item {
    display: flex;
    align-items: flex-start;
    background-color: var(--light-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.support-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 15px;
    margin-top: 5px;
}

.support-item h4 {
    margin-bottom: 5px;
}

.support-item p {
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.support-item p:last-child {
    margin-bottom: 0;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-info {
    flex: 1;
    min-width: 250px;
    margin-bottom: 30px;
}

.footer-info h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-links {
    flex: 1;
    min-width: 250px;
}

.footer-links h3 {
    margin-bottom: 20px;
    font-size: 1.5rem;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        flex-direction: column;
        background-color: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        align-items: center;
        display: none;
        z-index: 1000;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .hero-content h2 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }

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

    .options {
        flex-wrap: wrap;
        gap: 5px;
    }

    .options span {
        flex: 1;
        text-align: center;
        min-width: 70px;
    }
}

@media (max-width: 576px) {
    .hero {
        padding-top: 120px;
        padding-bottom: 80px;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    section {
        padding: 50px 0;
    }

    .section-title {
        margin-bottom: 30px;
    }

    .card {
        min-width: 100%;
    }
}