:root {
    --primary-red: #D32F2F;
    --warm-white: #F8F8F6;
    --midnight-navy: #1A1A2E;
    --jade-green: #4CAF50;
    --yuzu-yellow: #FFC107;
    --soft-peach: #FFCCBC;
    
    --gradient-warm: linear-gradient(135deg, var(--primary-red), var(--soft-peach));
    --gradient-subtle: linear-gradient(180deg, var(--warm-white), rgba(211, 47, 47, 0.05));
    
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Noto Sans', sans-serif;
    
    --transition-smooth: all 0.3s ease;
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--midnight-navy);
    background-color: var(--warm-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.parallax-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background: var(--gradient-warm);
    color: white;
    box-shadow: var(--shadow-card);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(248, 248, 246, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition-smooth);
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-main {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    color: var(--primary-red);
    letter-spacing: 0.5px;
}

.logo-hangul {
    font-size: clamp(0.9rem, 2vw, 1rem);
    color: var(--midnight-navy);
    opacity: 0.7;
}

.nav-menu {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--midnight-navy);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-red);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.cta-link {
    padding: 8px 20px;
    background: var(--primary-red);
    color: white;
    border-radius: 6px;
}

.cta-link::after {
    display: none;
}

.cta-link:hover {
    background: #B71C1C;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--midnight-navy);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
    background: var(--gradient-subtle);
}

.hero-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    opacity: 0.03;
    background-image: 
        repeating-linear-gradient(45deg, var(--primary-red) 0, var(--primary-red) 1px, transparent 1px, transparent 20px),
        repeating-linear-gradient(-45deg, var(--jade-green) 0, var(--jade-green) 1px, transparent 1px, transparent 20px);
    pointer-events: none;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 60px 20px;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    margin-bottom: 20px;
}

.brand-name {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--primary-red);
    font-weight: 800;
    letter-spacing: 1px;
}

.brand-hangul {
    display: block;
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--midnight-navy);
    opacity: 0.7;
    font-weight: 400;
    margin-top: 8px;
}

.hero-tagline {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    color: var(--midnight-navy);
    font-weight: 600;
    margin-bottom: 12px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--jade-green);
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--midnight-navy);
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    position: relative;
    background: var(--warm-white);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.mascot-placeholder {
    width: 100%;
    max-width: 450px;
    aspect-ratio: 1;
}

.kiosk-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
}

.vision-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.placeholder-text {
    position: absolute;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--midnight-navy);
    opacity: 0.3;
    text-align: center;
    pointer-events: none;
}

.image-placeholder img:not([src*=".jpg"]):not([src*=".png"]) {
    display: none;
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--midnight-navy);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--midnight-navy);
    opacity: 0.7;
    max-width: 700px;
    margin: 0 auto;
}

.concept {
    background: white;
}

.concept-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.concept-text h3 {
    font-size: 1.8rem;
    color: var(--primary-red);
    margin-bottom: 16px;
    margin-top: 32px;
}

.concept-text h3:first-child {
    margin-top: 0;
}

.concept-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    opacity: 0.9;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 16px 0 16px 32px;
    position: relative;
    font-size: 1.05rem;
    line-height: 1.7;
}

.feature-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--jade-green);
    font-size: 1.5rem;
    line-height: 1;
}

.market {
    background: var(--midnight-navy);
    color: white;
}

.market .section-title,
.market .section-subtitle {
    color: white;
}

.market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.market-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.market-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-red);
    font-family: var(--font-heading);
    margin-bottom: 16px;
}

.stat-icon {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stat-icon i {
    font-size: 3.5rem;
    color: var(--yuzu-yellow);
    transition: var(--transition-smooth);
}

.market-card:hover .stat-icon i {
    color: var(--jade-green);
    transform: scale(1.1);
}

.market-card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--yuzu-yellow);
}

.market-card p {
    opacity: 0.85;
    line-height: 1.7;
}

.target-audience {
    background: rgba(255, 255, 255, 0.05);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.target-audience h3 {
    font-size: 2rem;
    color: var(--yuzu-yellow);
    text-align: center;
    margin-bottom: 40px;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.audience-item {
    text-align: center;
}

.audience-item strong {
    display: block;
    font-size: 1.2rem;
    color: var(--jade-green);
    margin-bottom: 12px;
    font-family: var(--font-heading);
}

.audience-item p {
    opacity: 0.8;
    line-height: 1.6;
    font-size: 0.95rem;
}

.why-us {
    background: white;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.why-card {
    background: var(--warm-white);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.why-card:hover {
    border-color: var(--primary-red);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.why-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.why-icon i {
    font-size: 3rem;
    color: var(--primary-red);
    transition: var(--transition-smooth);
}

.why-card:hover .why-icon i {
    color: var(--jade-green);
    transform: scale(1.1);
}

.why-card h3 {
    font-size: 1.5rem;
    color: var(--primary-red);
    margin-bottom: 16px;
    text-align: center;
}

.why-card p {
    line-height: 1.7;
    margin-bottom: 20px;
    opacity: 0.9;
    text-align: center;
}

.why-card ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.why-card li {
    padding: 8px 0 8px 24px;
    position: relative;
    font-size: 0.95rem;
}

.why-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--jade-green);
    font-weight: bold;
}

.vision {
    background: var(--gradient-subtle);
}

.vision-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.vision-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: start;
}

.vision-text h3 {
    font-size: 1.8rem;
    color: var(--primary-red);
    margin-bottom: 16px;
    margin-top: 32px;
}

.vision-text h3:first-child {
    margin-top: 0;
}

.vision-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 24px;
    opacity: 0.9;
}

.vision-values {
    background: white;
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--shadow-card);
}

.vision-values h3 {
    font-size: 2rem;
    color: var(--midnight-navy);
    text-align: center;
    margin-bottom: 40px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 20px;
}

.value-item strong {
    display: block;
    font-size: 1.1rem;
    color: var(--primary-red);
    margin-bottom: 12px;
    font-family: var(--font-heading);
}

.value-item p {
    opacity: 0.85;
    line-height: 1.6;
    font-size: 0.95rem;
}

.contact {
    background: var(--midnight-navy);
    color: white;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-header h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: white;
    margin-bottom: 20px;
}

.contact-intro {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 50px;
    align-items: center;
}

.contact-item {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.contact-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 2.5rem;
    color: var(--yuzu-yellow);
    transition: var(--transition-smooth);
}

.contact-item:hover .contact-icon i {
    color: var(--primary-red);
    transform: scale(1.1);
}

.contact-details {
    text-align: left;
}

.contact-details strong {
    display: block;
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 4px;
}

.contact-details a {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--yuzu-yellow);
}

.contact-details a:hover {
    color: var(--primary-red);
}

.contact-cta {
    background: rgba(211, 47, 47, 0.1);
    padding: 40px;
    border-radius: 16px;
    border: 2px solid var(--primary-red);
}

.contact-cta p {
    font-size: 1.1rem;
    line-height: 1.7;
}

.contact-cta p:first-child {
    font-size: 1.3rem;
    color: var(--yuzu-yellow);
    margin-bottom: 12px;
}

.footer {
    background: #0D0D15;
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-brand .logo-main {
    color: white;
}

.footer-brand .logo-hangul {
    color: white;
    opacity: 0.7;
}

.footer-tagline {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-top: 8px;
}

.footer-info {
    text-align: right;
    opacity: 0.7;
    font-size: 0.9rem;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .hero-container,
    .concept-grid,
    .vision-main {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-image {
        order: -1;
    }
    
    .mascot-placeholder {
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(248, 248, 246, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transform: translateY(-120%);
        transition: transform 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    section {
        padding: 60px 0;
    }
    
    .hero {
        min-height: auto;
        padding-top: 100px;
    }
    
    .hero-container {
        padding: 40px 20px;
    }
    
    .market-grid,
    .why-grid,
    .audience-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .target-audience,
    .vision-values {
        padding: 30px 20px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-details {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-container {
        padding: 20px;
    }
    
    .mascot-placeholder {
        max-width: 280px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
    
    .market-card,
    .why-card {
        padding: 30px 20px;
    }
}