
:root {
    --primary-blue: #154360;
    --primary-gold: #D4AF37;
    --primary-cream: #F0E5D8;
    --dark-blue: #0D2D47;
    --light-gold: #E8C868;
    --white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #E8C868 50%, #D4AF37 100%);
    --gradient-blue: linear-gradient(135deg, #154360 0%, #1E5F8C 50%, #154360 100%);
    --shadow-soft: 0 4px 20px rgba(21, 67, 96, 0.1);
    --shadow-medium: 0 8px 40px rgba(21, 67, 96, 0.15);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: var(--primary-cream);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    padding-bottom: 80px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-blue);
    background-image: url('../images/hero-bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    padding: 80px 0;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(21, 67, 96, 0.92) 0%, rgba(13, 45, 71, 0.88) 100%),
        radial-gradient(circle at 20% 80%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.12) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23D4AF37' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(212, 175, 55, 0.15);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 10px 24px;
    border-radius: 50px;
    margin-bottom: 30px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--primary-gold);
    font-size: 1.1rem;
}

.hero-badge span {
    color: var(--primary-gold);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title .highlight {
    color: var(--primary-gold);
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 50px;
    font-weight: 300;
}

.hero-profile {
    display: flex;
    align-items: center;
    gap: 40px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    backdrop-filter: blur(20px);
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.profile-image {
    position: relative;
    flex-shrink: 0;
}

.profile-image img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-gold);
    box-shadow: var(--shadow-gold);
}

.profile-placeholder {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: var(--gradient-gold);
    display: none;
    align-items: center;
    justify-content: center;
    border: 4px solid var(--primary-gold);
}

.profile-placeholder i {
    font-size: 4rem;
    color: var(--primary-blue);
}

.profile-info {
    flex: 1;
}

.profile-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 5px;
}

.profile-name .nickname {
    color: var(--primary-gold);
    font-size: 1.2rem;
    font-weight: 500;
}

.profile-title {
    color: var(--primary-gold);
    font-size: 1rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.profile-details {
    list-style: none;
}

.profile-details li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.profile-details li i {
    color: var(--primary-gold);
    width: 20px;
    text-align: center;
}

/* ===================================
   Introduction Section
   =================================== */
.intro-section {
    padding: 100px 0;
    background: var(--white);
}

.intro-card {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.intro-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-gold);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: var(--shadow-gold);
}

.intro-icon i {
    font-size: 2rem;
    color: var(--primary-blue);
}

.intro-card h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.4;
}

.intro-card > p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 50px;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-cream);
    padding: 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

.feature-item i {
    color: var(--primary-gold);
    font-size: 1.3rem;
}

.feature-item span {
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 0.95rem;
}

/* ===================================
   Section Header (Shared)
   =================================== */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-desc {
    color: var(--text-light);
    font-size: 1.05rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   Method Section
   =================================== */
.method-section {
    padding: 100px 0;
    background: var(--primary-cream);
}

.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.method-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid transparent;
}

.method-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-gold);
}

.method-number {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(21, 67, 96, 0.05);
    line-height: 1;
}

.method-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-cream);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.method-card:hover .method-icon {
    background: var(--gradient-gold);
}

.method-icon i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.method-card h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    font-weight: 600;
}

.method-card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===================================
   Community Section
   =================================== */
.community-section {
    padding: 100px 0;
    background: var(--primary-blue);
    position: relative;
    overflow: hidden;
}

.community-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 100% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.community-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.community-text .section-tag {
    background: rgba(212, 175, 55, 0.2);
    color: var(--primary-gold);
}

.community-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 700;
}

.community-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.community-features {
    list-style: none;
}

.community-features li {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 25px;
}

.community-features li i {
    width: 50px;
    height: 50px;
    background: rgba(212, 175, 55, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.community-features li div {
    display: flex;
    flex-direction: column;
}

.community-features li strong {
    color: var(--white);
    font-size: 1.05rem;
    margin-bottom: 5px;
}

.community-features li span {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.community-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 50px;
    backdrop-filter: blur(20px);
}

.visual-stats {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px 40px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-gold);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===================================
   Curriculum Section
   =================================== */
.curriculum-section {
    padding: 100px 0;
    background: var(--white);
}

.curriculum-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.curriculum-timeline::before {
    content: '';
    position: absolute;
    left: 35px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-gold), var(--primary-blue));
}

.timeline-item {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    width: 70px;
    height: 70px;
    background: var(--white);
    border: 3px solid var(--primary-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    z-index: 1;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker {
    background: var(--gradient-gold);
    border-color: transparent;
}

.timeline-marker i {
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.timeline-content {
    flex: 1;
    background: var(--primary-cream);
    border-radius: 16px;
    padding: 25px 30px;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-content {
    box-shadow: var(--shadow-soft);
    transform: translateX(5px);
}

.timeline-content h3 {
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 600;
}

.timeline-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===================================
   About Section
   =================================== */
.about-section {
    padding: 100px 0;
    background: var(--primary-cream);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.image-frame img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    display: block;
}

.image-placeholder {
    width: 100%;
    height: 450px;
    background: var(--gradient-blue);
    display: none;
    align-items: center;
    justify-content: center;
}

.image-placeholder i {
    font-size: 6rem;
    color: var(--primary-gold);
}

.about-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-gold);
    border-radius: 16px;
    padding: 20px 25px;
    text-align: center;
    box-shadow: var(--shadow-gold);
}

.badge-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-blue);
    line-height: 1;
}

.badge-text {
    font-size: 0.8rem;
    color: var(--primary-blue);
    font-weight: 500;
}

.about-text .section-tag {
    display: inline-block;
    margin-bottom: 15px;
}

.about-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-weight: 700;
}

.about-role {
    color: var(--primary-gold);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.about-desc {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-activities {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.activity-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-soft);
}

.activity-item i {
    width: 50px;
    height: 50px;
    background: var(--primary-cream);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-gold);
    font-size: 1.2rem;
}

.activity-item div {
    display: flex;
    flex-direction: column;
}

.activity-item strong {
    color: var(--primary-blue);
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.activity-item span {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* ===================================
   Showcase Section (3.png)
   =================================== */
.showcase-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-cream) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.showcase-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.showcase-image {
    position: relative;
}

.showcase-frame {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 
        0 25px 80px rgba(21, 67, 96, 0.2),
        0 10px 30px rgba(212, 175, 55, 0.15);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
}

.showcase-frame:hover {
    transform: perspective(1000px) rotateY(0deg);
    box-shadow: 
        0 30px 100px rgba(21, 67, 96, 0.25),
        0 15px 40px rgba(212, 175, 55, 0.2);
}

.showcase-frame img {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 3px solid rgba(212, 175, 55, 0.3);
    border-radius: 24px;
    pointer-events: none;
}

.showcase-decoration {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--gradient-gold);
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

.showcase-decoration-1 {
    top: -30px;
    right: -30px;
}

.showcase-decoration-2 {
    bottom: -40px;
    left: -40px;
    width: 150px;
    height: 150px;
}

.showcase-text {
    padding-left: 20px;
}

.showcase-text .section-tag {
    margin-bottom: 20px;
}

.showcase-text h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.3;
}

.showcase-text .highlight-box {
    background: var(--gradient-blue);
    color: var(--white);
    padding: 25px 30px;
    border-radius: 16px;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
}

.showcase-text .highlight-box::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2));
}

.showcase-text .highlight-box p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
    position: relative;
    z-index: 1;
}

.showcase-text .highlight-box .quote-icon {
    color: var(--primary-gold);
    font-size: 1.5rem;
    margin-bottom: 10px;
    display: block;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.showcase-feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: var(--white);
    border-radius: 12px;
    border-left: 4px solid var(--primary-gold);
    transition: all 0.3s ease;
}

.showcase-feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-soft);
}

.showcase-feature-item i {
    color: var(--primary-gold);
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

.showcase-feature-item span {
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 0.95rem;
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-blue);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--white);
    margin-bottom: 15px;
    font-weight: 700;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Urgent Pulse Animation */
@keyframes urgentPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-gold);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 8px 35px rgba(212, 175, 55, 0.6);
    }
}

@keyframes urgentPulseHover {
    0%, 100% {
        transform: scale(1.02);
    }
    50% {
        transform: scale(1.08);
    }
}

.cta-button-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 18px 40px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-gold);
    font-family: 'Noto Sans KR', sans-serif;
    animation: urgentPulse 2s ease-in-out infinite;
}

.cta-button-large:hover {
    animation: urgentPulseHover 0.6s ease-in-out infinite;
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

.cta-button-large i {
    font-size: 1.3rem;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--dark-blue);
    padding: 50px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 5px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-gold);
}

.footer-bottom {
    padding-top: 25px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
}

/* ===================================
   Fixed CTA Button
   =================================== */
.fixed-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: center;
    padding: 15px 20px;
}

.fixed-cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: var(--gradient-gold);
    color: var(--primary-blue);
    font-size: 1rem;
    font-weight: 700;
    padding: 16px 40px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-gold);
    font-family: 'Noto Sans KR', sans-serif;
    max-width: 400px;
    width: 100%;
    animation: urgentPulse 2s ease-in-out infinite;
}

.fixed-cta-button:hover {
    animation: urgentPulseHover 0.6s ease-in-out infinite;
    box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
}

.fixed-cta-button i {
    font-size: 1.2rem;
}

/* ===================================
   Modal Styles
   =================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 45, 71, 0.9);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 20px;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--white);
    border-radius: 20px;
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    background: var(--primary-blue);
    color: var(--white);
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
}

.modal-close {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-close i {
    color: var(--white);
    font-size: 1.1rem;
}

.modal-body {
    padding: 30px;
    overflow-y: auto;
    max-height: calc(80vh - 90px);
}

.modal-body h3 {
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    margin-top: 25px;
    font-weight: 600;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 15px;
}

.modal-body ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.modal-body li {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 8px;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .hero-profile {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }

    .profile-details li {
        justify-content: center;
    }

    .community-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-badge {
        right: 0;
    }

    .showcase-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .showcase-frame {
        transform: none;
        max-width: 500px;
        margin: 0 auto;
    }

    .showcase-frame:hover {
        transform: none;
    }

    .showcase-text {
        padding-left: 0;
        text-align: center;
    }

    .showcase-feature-item {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 50px 0 70px;
        min-height: auto;
    }

    .hero-profile {
        padding: 20px 15px;
        gap: 20px;
        border-radius: 16px;
        margin: 0 -5px;
    }

    .profile-image img,
    .profile-placeholder {
        width: 100px;
        height: 100px;
    }

    .profile-name {
        font-size: 1.3rem;
    }

    .profile-name .nickname {
        font-size: 0.9rem;
        display: block;
        margin-top: 5px;
    }

    .profile-title {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .profile-details li {
        font-size: 0.85rem;
        margin-bottom: 8px;
        gap: 8px;
    }

    .profile-details li i {
        width: 16px;
        font-size: 0.85rem;
    }

    .hero-badge {
        padding: 8px 18px;
        margin-bottom: 20px;
    }

    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 15px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .intro-section,
    .method-section,
    .community-section,
    .curriculum-section,
    .about-section,
    .showcase-section {
        padding: 50px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-tag {
        font-size: 0.7rem;
        padding: 6px 16px;
        margin-bottom: 15px;
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }

    .section-desc {
        font-size: 0.95rem;
    }

    .intro-card h2 {
        font-size: 1.3rem;
    }

    .intro-card > p {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .intro-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }

    .intro-icon i {
        font-size: 1.5rem;
    }

    .feature-item {
        padding: 15px;
        gap: 10px;
    }

    .feature-item i {
        font-size: 1.1rem;
    }

    .feature-item span {
        font-size: 0.85rem;
    }

    .curriculum-timeline::before {
        left: 20px;
    }

    .timeline-marker {
        width: 40px;
        height: 40px;
    }

    .timeline-marker i {
        font-size: 0.9rem;
    }

    .timeline-content {
        padding: 15px;
    }

    .timeline-content h3 {
        font-size: 1rem;
        margin-bottom: 8px;
    }

    .timeline-content p {
        font-size: 0.85rem;
    }

    .timeline-item {
        gap: 15px;
        margin-bottom: 25px;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        padding-bottom: 20px;
    }

    .footer-brand h3 {
        font-size: 1.1rem;
    }

    .footer-brand p {
        font-size: 0.8rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 12px 20px;
    }

    .footer-links a {
        font-size: 0.85rem;
    }

    .footer-bottom {
        padding-top: 20px;
    }

    .footer-bottom p {
        font-size: 0.8rem;
    }

    .visual-card {
        padding: 25px;
        width: 100%;
    }

    .stat-item {
        padding: 12px 25px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .image-frame img,
    .image-placeholder {
        height: 300px;
    }

    .about-badge {
        bottom: -15px;
        right: 10px;
        padding: 15px 18px;
    }

    .badge-number {
        font-size: 2rem;
    }

    .badge-text {
        font-size: 0.7rem;
    }

    .about-text h2 {
        font-size: 1.5rem;
    }

    .about-role {
        font-size: 1rem;
    }

    .about-desc {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }

    .about-activities {
        gap: 15px;
    }

    .activity-item {
        padding: 15px;
        gap: 15px;
    }

    .activity-item i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .activity-item strong {
        font-size: 0.85rem;
    }

    .activity-item span {
        font-size: 0.8rem;
    }

    .community-text h2 {
        font-size: 1.5rem;
        text-align: center;
    }

    .community-text .section-tag {
        display: block;
        text-align: center;
    }

    .community-desc {
        font-size: 0.95rem;
        text-align: center;
        margin-bottom: 30px;
    }

    .community-features li {
        margin-bottom: 20px;
    }

    .community-features li i {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .community-features li strong {
        font-size: 0.95rem;
    }

    .community-features li span {
        font-size: 0.8rem;
    }

    .visual-stats {
        gap: 20px;
    }

    .method-card {
        padding: 25px 20px;
    }

    .method-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 20px;
    }

    .method-icon i {
        font-size: 1.2rem;
    }

    .method-card h3 {
        font-size: 1.05rem;
    }

    .method-card p {
        font-size: 0.85rem;
    }

    .method-number {
        font-size: 2.5rem;
    }

    .cta-section {
        padding: 50px 0;
    }

    .cta-content h2 {
        font-size: 1.4rem;
    }

    .cta-content p {
        font-size: 0.9rem;
        margin-bottom: 30px;
    }

    /* Fixed CTA - Mobile Optimized */
    .fixed-cta {
        padding: 12px 15px;
    }

    .fixed-cta-button {
        padding: 14px 25px;
        font-size: 0.9rem;
        gap: 8px;
        max-width: 100%;
    }

    .fixed-cta-button i {
        font-size: 1rem;
    }

    /* Showcase Section - Mobile */
    .showcase-text h2 {
        font-size: 1.4rem;
    }

    .showcase-text .highlight-box {
        padding: 20px;
    }

    .showcase-text .highlight-box p {
        font-size: 0.95rem;
    }

    .showcase-feature-item {
        padding: 12px 15px;
    }

    .showcase-feature-item span {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    body {
        padding-bottom: 70px;
    }

    .hero {
        padding: 40px 0 60px;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 0.85rem;
        margin-bottom: 25px;
    }

    .hero-badge {
        padding: 6px 14px;
    }

    .hero-badge i {
        font-size: 0.9rem;
    }

    .hero-badge span {
        font-size: 0.75rem;
    }

    .hero-profile {
        padding: 18px 12px;
        border-radius: 14px;
    }

    .profile-image img,
    .profile-placeholder {
        width: 80px;
        height: 80px;
        border-width: 3px;
    }

    .profile-placeholder i {
        font-size: 2.5rem;
    }

    .profile-name {
        font-size: 1.15rem;
    }

    .profile-name .nickname {
        font-size: 0.8rem;
    }

    .profile-title {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }

    .profile-details li {
        font-size: 0.78rem;
        margin-bottom: 6px;
    }

    .intro-section,
    .method-section,
    .community-section,
    .curriculum-section,
    .about-section,
    .showcase-section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .intro-card h2 {
        font-size: 1.15rem;
    }

    .intro-card > p {
        font-size: 0.85rem;
    }

    .intro-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .feature-item {
        padding: 12px;
    }

    .method-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .method-card {
        padding: 20px 15px;
    }

    .timeline-item {
        gap: 12px;
    }

    .timeline-marker {
        width: 35px;
        height: 35px;
    }

    .timeline-marker i {
        font-size: 0.8rem;
    }

    .curriculum-timeline::before {
        left: 17px;
    }

    .timeline-content {
        padding: 12px;
    }

    .timeline-content h3 {
        font-size: 0.95rem;
    }

    .timeline-content p {
        font-size: 0.8rem;
    }

    .cta-button-large {
        padding: 14px 25px;
        font-size: 0.9rem;
        gap: 8px;
    }

    .cta-button-large i {
        font-size: 1.1rem;
    }

    .modal-content {
        border-radius: 12px;
        margin: 10px;
    }

    .modal-header {
        padding: 15px;
    }

    .modal-header h2 {
        font-size: 1.1rem;
    }

    .modal-close {
        width: 32px;
        height: 32px;
    }

    .modal-body {
        padding: 15px;
    }

    .modal-body h3 {
        font-size: 1rem;
        margin-top: 20px;
    }

    .modal-body p,
    .modal-body li {
        font-size: 0.85rem;
    }

    .about-badge {
        bottom: -10px;
        right: 5px;
        padding: 12px 15px;
    }

    .badge-number {
        font-size: 1.6rem;
    }

    .badge-text {
        font-size: 0.65rem;
    }

    .image-frame img,
    .image-placeholder {
        height: 250px;
    }

    .visual-card {
        padding: 20px 15px;
    }

    .stat-item {
        padding: 10px 20px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .showcase-text h2 {
        font-size: 1.2rem;
    }

    .showcase-text .highlight-box {
        padding: 15px;
    }

    .showcase-text .highlight-box p {
        font-size: 0.85rem;
    }

    .showcase-feature-item {
        padding: 10px 12px;
        gap: 10px;
    }

    .showcase-feature-item i {
        font-size: 1rem;
    }

    .showcase-feature-item span {
        font-size: 0.8rem;
    }

    .showcase-features {
        gap: 10px;
    }

    .footer {
        padding: 35px 0 25px;
    }
}

/* ===================================
   Utility Classes
   =================================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0 !important;
}

