/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@font-face {
    font-family: 'Paperlogy-8ExtraBold';
    src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
    font-weight: 800;
    font-style: normal;
}

:root {
    --primary-color: #000000;
    --secondary-color: #333333;
    --accent-color: #ffffff;
    --light-color: #666666;
    --bg-dark: #0a0a0a;
    --bg-section: #111111;
    --text-light: #cccccc;
    --text-white: #ffffff;
    --border-dark: #333333;
    
    --font-primary: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    --font-display: 'Pretendard Variable', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    
    --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 16px 60px rgba(0, 0, 0, 0.5);
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-white);
    background: var(--bg-dark);
    overflow-x: hidden;
    word-break: keep-all;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 60%, rgba(0, 0, 0, 0.1) 90%, transparent 100%);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100px;
    gap: 4rem;
}

.nav-logo .logo {
    height: 80px;
    width: auto;
    filter: brightness(0) invert(1) drop-shadow(0 2px 10px rgba(255, 255, 255, 0.1));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 3rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-white);
    font-weight: 400;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--text-light);
}

.nav-menu a.lang-toggle {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-dark);
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.nav-menu a.lang-toggle:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    border-color: var(--accent-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.star-icon {
    font-size: 24px;
    color: #ffffff;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: center;
}

.hamburger.active .star-icon {
    transform: rotate(180deg) scale(1.2);
    color: #ffffff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--bg-dark);
    padding-top: 160px; /* 네비게이션 높이(100px) + 여유공간(20px) */
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    position: relative;
    z-index: 3;
    text-align: center;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-main {
    display: block;
    font-family: 'Paperlogy-8ExtraBold', var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    color: var(--text-white);
    line-height: 0.9;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 300;
    color: var(--text-light);
    margin-top: 0.5rem;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    line-height: 1.8;
    color: var(--text-light);
    margin: 3rem auto;
    max-width: 600px;
    opacity: 0.9;
    word-break: keep-all;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Highlight Effect - 오렌지색 색칠 효과 */
.highlight {
    color: var(--text-white);
    padding: 0.2em 0.4em;
    font-weight: 700;
    position: relative;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    border-radius: 4px;
    overflow: hidden;
}

.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    background: linear-gradient(
        90deg,
        rgba(255, 152, 0, 0.8) 0%,
        rgba(255, 87, 34, 0.85) 50%,
        rgba(255, 152, 0, 0.8) 100%
    );
    z-index: -1;
    animation: paintOrange 2s ease-out 1.2s forwards;
    transform-origin: left;
    border-radius: 4px;
}

@keyframes paintOrange {
    0% {
        width: 0%;
    }
    100% {
        width: 100%;
    }
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-medium);
    font-weight: 500;
}

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

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

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

/* Partner Section */
.partner-section {
    margin-top: 7rem;
    text-align: center;
    opacity: 0.8;
}

.partner-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 300;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
    animation: flowContainer 4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.partner-logo {
    opacity: 0;
    transform: translateY(30px) translateX(0) scale(0.6) rotateY(15deg);
    animation: logoFlow 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
               floatGently 4s ease-in-out infinite;
    animation-delay: 0s, 2s;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: brightness(0.7) saturate(0.3);
}

.partner-logo:nth-child(even) {
    animation: logoFlow 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards,
               floatGentlyAlt 4s ease-in-out infinite;
}

.partner-logo:nth-child(1) { 
    animation-delay: 0.1s, 2.0s; 
    animation-duration: 1.2s, 3.8s;
}
.partner-logo:nth-child(2) { 
    animation-delay: 0.25s, 2.3s; 
    animation-duration: 1.2s, 4.2s;
}
.partner-logo:nth-child(3) { 
    animation-delay: 0.4s, 2.6s; 
    animation-duration: 1.2s, 3.6s;
}
.partner-logo:nth-child(4) { 
    animation-delay: 0.55s, 2.9s; 
    animation-duration: 1.2s, 4.4s;
}
.partner-logo:nth-child(5) { 
    animation-delay: 0.7s, 3.2s; 
    animation-duration: 1.2s, 3.9s;
}
.partner-logo:nth-child(6) { 
    animation-delay: 0.85s, 3.5s; 
    animation-duration: 1.2s, 4.1s;
}
.partner-logo:nth-child(7) { 
    animation-delay: 1.0s, 3.8s; 
    animation-duration: 1.2s, 4.3s;
}
.partner-logo:nth-child(8) { 
    animation-delay: 1.15s, 4.1s; 
    animation-duration: 1.2s, 4.0s;
}

.partner-logo img {
    height: 40px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    filter: grayscale(1) brightness(1.8);
}

.partner-logo:hover {
    transform: translateY(-8px) scale(1.1) rotateY(0deg);
    filter: brightness(1) saturate(1);
    z-index: 10;
}

.partner-logo:hover img {
    filter: grayscale(0) brightness(1.1) contrast(1.1);
    transform: scale(1.05);
}

/* Add floating animation after initial load */
@keyframes floatGently {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    25% {
        transform: translateY(-2px) translateX(1px);
    }
    50% {
        transform: translateY(-4px) translateX(0px);
    }
    75% {
        transform: translateY(-2px) translateX(-1px);
    }
}

@keyframes floatGentlyAlt {
    0%, 100% {
        transform: translateY(0px) translateX(0px);
    }
    33% {
        transform: translateY(-3px) translateX(-1px);
    }
    66% {
        transform: translateY(-1px) translateX(1px);
    }
}



@keyframes logoFlow {
    0% {
        opacity: 0;
        transform: translateY(30px) translateX(-10px) scale(0.6) rotateY(15deg);
    }
    60% {
        opacity: 0.8;
        transform: translateY(-5px) translateX(2px) scale(1.05) rotateY(-2deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) translateX(0) scale(1) rotateY(0deg);
    }
}

@keyframes flowContainer {
    0% {
        transform: scale(0.8) translateY(10px);
        opacity: 0.7;
    }
    30% {
        transform: scale(1.02) translateY(-2px);
        opacity: 0.9;
    }
    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.hero-visual {
    position: absolute;
    right: -10%;
    top: 20%;
    width: 60%;
    height: 60%;
    pointer-events: none;
}

.mushroom-spores {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 10%, var(--accent-color) 2px, transparent 2px),
        radial-gradient(circle at 30% 70%, var(--light-green) 1px, transparent 1px),
        radial-gradient(circle at 70% 30%, var(--spore-orange) 1.5px, transparent 1.5px),
        radial-gradient(circle at 90% 80%, var(--secondary-color) 1px, transparent 1px);
    animation: floatSpores 15s infinite ease-in-out;
    opacity: 0.6;
}

@keyframes floatSpores {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.organic-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse 300px 200px at 30% 40%, rgba(143, 188, 143, 0.1) 0%, transparent 70%),
        radial-gradient(ellipse 200px 300px at 70% 60%, rgba(244, 162, 97, 0.08) 0%, transparent 70%);
    animation: organicFlow 25s infinite ease-in-out;
}

@keyframes organicFlow {
    0%, 100% { transform: scale(1) rotate(0deg); }
    33% { transform: scale(1.1) rotate(120deg); }
    66% { transform: scale(0.9) rotate(240deg); }
}

/* Social Impact Section */
.social-impact {
    padding: 4rem 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    position: relative;
    overflow: hidden;
}

.social-impact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(76, 175, 80, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(46, 125, 50, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.impact-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.impact-card {
    background: rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.impact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.impact-card:hover {
    transform: translateY(-10px);
    border-color: rgba(76, 175, 80, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.impact-card:hover::before {
    opacity: 1;
}

.impact-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.impact-number {
    font-size: 3.2rem;
    font-weight: 800;
    color: #4CAF50;
    line-height: 1;
    margin-bottom: 0.3rem;
    font-family: 'Paperlogy-8ExtraBold', var(--font-display);
    text-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.impact-unit {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 1rem;
    font-weight: 500;
}

.impact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-white);
    font-weight: 600;
}

.impact-card p {
    color: var(--text-light);
    line-height: 1.6;
    opacity: 0.9;
}

/* Projects Section */
.projects {
    padding: 6rem 0;
    background: var(--bg-section);
}

/* Products Section */
.products {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.section-title {
    font-family: 'Paperlogy-8ExtraBold', var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-white);
    position: relative;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: var(--accent-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: 0;
    padding: 3rem 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.project-number {
    font-size: 3rem;
    font-weight: 100;
    color: var(--text-light);
    margin-bottom: 2rem;
    opacity: 0.5;
}

.project-card h3 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-white);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.project-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0;
    padding: 2rem 2.5rem 1.5rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s ease;
    border: 1px solid var(--border-dark);
}

.product-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.02);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover::before {
    opacity: 1;
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: inline-block;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-5px); }
    60% { transform: translateY(-3px); }
}

.product-card h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    margin-bottom: 0.8rem;
    color: var(--text-white);
    font-weight: 500;
}

.product-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.drink-line {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0;
    border-left: 2px solid var(--accent-color);
}

.drink-line h4 {
    color: var(--text-white);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.drink-line p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 60%;
    background: rgba(0, 0, 0, 0.9);
    color: var(--text-white);
    padding: 2rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 0;
}

.product-card:hover .product-overlay {
    opacity: 0.95;
}

/* Product Image Hover Effect */
.product-image {
    position: absolute;
    bottom: -220px;
    left: 50%;
    transform: translateX(-50%);
    width: 250px;
    height: 170px;
    border-radius: 12px;
    overflow: hidden;
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 10;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image {
    opacity: 1;
    bottom: 20px;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

/* Responsive adjustments for product images */
@media (max-width: 1200px) {
    .product-image {
        bottom: -180px;
        width: 200px;
        height: 130px;
    }
    
    .product-card:hover .product-image {
        bottom: 30px;
    }
}

@media (max-width: 768px) {
    .product-image {
        position: static !important;
        right: auto !important;
        top: auto !important;
        left: auto !important;
        transform: none !important;
        width: 90% !important;
        max-width: 300px !important;
        height: 200px;
        margin: 1.5rem auto 0 !important;
        opacity: 0;
        border-radius: 12px;
        overflow: hidden;
        display: block;
    }
    
    .product-card:hover .product-image {
        opacity: 1;
        right: auto !important;
        left: auto !important;
        transform: none !important;
    }
    
    .product-image img {
        width: 100% !important;
        height: 100% !important;
        object-fit: cover !important;
        object-position: center !important;
        display: block !important;
        margin: 0 auto !important;
    }
    
    .product-card {
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

/* About Section */
.about {
    padding: 6rem 0;
    background: var(--bg-section);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 {
    font-family: 'Paperlogy-8ExtraBold', var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 2rem;
    color: var(--text-white);
    font-weight: 800;
    letter-spacing: -0.01em;
}

.lead {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: 3rem;
    color: var(--text-light);
    opacity: 0.9;
}

.about-features {
    display: grid;
    gap: 2rem;
}

.feature {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 0;
    border-left: 2px solid var(--accent-color);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.05);
}

.feature h4 {
    margin-bottom: 0.5rem;
    color: var(--text-white);
    font-weight: 500;
}

.feature p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.about-visual {
    position: relative;
    height: 400px;
}

.mycelium-growth {
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 30%, rgba(143, 188, 143, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(244, 162, 97, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(45, 74, 58, 0.1) 0%, transparent 60%);
    border-radius: 20px;
    animation: pulseGrowth 8s infinite ease-in-out;
    position: relative;
    overflow: hidden;
}

.mycelium-growth-video {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-dark);
    animation: pulseGrowth 8s infinite ease-in-out;
}

.mycelium-growth-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.video-growth-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg, 
        rgba(34, 40, 49, 0.2) 0%,
        rgba(244, 162, 97, 0.15) 50%,
        rgba(34, 40, 49, 0.3) 100%
    );
    z-index: 2;
    pointer-events: none;
}

.video-growth-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(143, 188, 143, 0.4) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, rgba(244, 162, 97, 0.4) 1px, transparent 1px),
        radial-gradient(circle at 60% 60%, rgba(45, 74, 58, 0.3) 1px, transparent 1px);
    animation: networkGrow 12s infinite linear;
}

.video-credit {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-light);
    opacity: 0.6;
    text-align: center;
    font-style: italic;
    letter-spacing: 0.5px;
}

@keyframes pulseGrowth {
    0%, 100% { transform: scale(1); opacity: 0.9; }
    50% { transform: scale(1.02); opacity: 1; }
}

.mycelium-growth::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, var(--light-green) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, var(--accent-color) 1px, transparent 1px),
        radial-gradient(circle at 60% 60%, var(--secondary-color) 1px, transparent 1px);
    animation: networkGrow 12s infinite linear;
}

@keyframes networkGrow {
    0% { transform: rotate(0deg) scale(1); }
    100% { transform: rotate(360deg) scale(1.1); }
}

/* Company History Timeline */
.company-history {
    margin-top: 6rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.company-history h3 {
    font-family: 'Paperlogy-8ExtraBold', var(--font-display);
    font-size: 2rem;
    color: var(--text-white);
    text-align: center;
    margin-bottom: 4rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 100%;
    background: var(--border-dark);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -6px;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
}

.timeline-year {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.2rem;
    color: var(--text-white);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.timeline-content p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Newsletter Section */
.newsletter {
    padding: 6rem 0;
    background: var(--bg-dark);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.newsletter-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(244, 162, 97, 0.1) 0%, transparent 50%);
    animation: backgroundFlow 20s infinite ease-in-out;
}

@keyframes backgroundFlow {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(50px) translateY(-30px); }
}

.newsletter-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.newsletter h2 {
    font-family: 'Paperlogy-8ExtraBold', var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    word-break: keep-all;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.newsletter p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    word-break: keep-all;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.newsletter-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 0;
    font-size: 1rem;
    outline: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid var(--border-dark);
}

.form-group input::placeholder {
    color: var(--text-light);
}

.btn-submit {
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--primary-color);
    border: none;
    border-radius: 0;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-submit:hover {
    background: var(--text-light);
    transform: translateY(-2px);
}

.form-disclaimer {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Footer */
.footer {
    background: var(--bg-section);
    color: var(--text-white);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-dark);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo .logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-white);
    font-weight: 500;
}

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

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

.footer-section a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.7;
}

/* Mushroom Icon */
.mushroom-icon {
    display: inline-block;
    position: relative;
    margin-left: 5px;
    width: 12px;
    height: 12px;
    vertical-align: middle;
}

.mushroom-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 10px;
    height: 6px;
    background: #ffffff;
    border-radius: 50px 50px 0 0;
}

.mushroom-icon::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 6px;
    background: #ffffff;
    border-radius: 0 0 2px 2px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-visual {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 100px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: all 0.3s ease;
        box-shadow: var(--shadow-medium);
        padding: 2rem 0;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        gap: 2rem;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        color: #ffffff !important;
        font-size: 1.2rem !important;
        font-weight: 500 !important;
        padding: 1rem 2rem;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .nav-menu a:hover {
        background: rgba(255, 255, 255, 0.1);
        color: #ffffff !important;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero Section Mobile */
    .hero-content {
        padding: 0 20px;
    }
    
    .hero-description {
        font-size: clamp(1rem, 4vw, 1.2rem);
        line-height: 1.7;
        margin: 2rem auto;
        max-width: 95%;
        word-break: keep-all;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    /* Mobile Highlight Enhancement */
    .highlight {
        white-space: normal;
        display: inline;
        padding: 0.1em 0.3em;
        line-height: 1.4;
        margin: 0 0.1em;
    }
    
    .highlight::before {
        border-radius: 3px;
    }
    
    /* Better Text Wrapping for Korean */
    .hero-title,
    .section-title,
    h1, h2, h3, h4, h5, h6,
    p, .lead {
        word-break: keep-all;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .product-card {
        padding: 2rem 1.5rem !important;
        min-height: auto !important;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    /* Social Impact Mobile */
    .social-impact {
        padding: 3rem 0;
    }
    
    .impact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }
    
    .impact-card {
        padding: 1.5rem 1rem;
    }
    
    .impact-number {
        font-size: 2.5rem;
    }
    
    /* Partner Section Mobile */
    .partner-section {
        margin-top: 3rem;
    }
    
    .partner-logos {
        display: flex;
        flex-wrap: wrap;
        gap: 2rem;
        justify-content: center;
        align-items: center;
        max-width: 95%;
        margin: 0 auto;
    }
    
    .partner-logo {
        display: flex;
        justify-content: center;
        align-items: center;
        flex: 0 0 auto;
        animation-duration: 1.2s, 6s;
    }
    
    .partner-logo img {
        height: 38px;
        width: auto;
        max-width: 130px;
        object-fit: contain;
    }
}

/* Advanced Mycelium Interactive System */
.mycelium-cursor {
    position: fixed;
    width: 4px;
    height: 4px;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: rgba(255,255,255,0.8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mycelium-network {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mycelium-thread {
    position: absolute;
    background: linear-gradient(to right, rgba(255,255,255,0.8), rgba(255,255,255,0.4), rgba(255,255,255,0.1), transparent);
    transform-origin: 0 50%;
    opacity: 0;
    height: 1px;
    animation: threadGrow 3s ease-out forwards;
}

@keyframes threadGrow {
    0% { 
        width: 0;
        opacity: 0.9;
    }
    20% {
        opacity: 0.7;
    }
    60% {
        opacity: 0.4;
    }
    100% { 
        width: var(--thread-length);
        opacity: 0;
    }
}

.mycelium-node {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    opacity: 0;
    animation: nodeAppear 2s ease-out forwards;
}

@keyframes nodeAppear {
    0% { 
        opacity: 0;
        transform: scale(0);
        box-shadow: 0 0 0 rgba(255,255,255,0);
    }
    20% { 
        opacity: 1;
        transform: scale(1.5);
        box-shadow: 0 0 10px rgba(255,255,255,0.5);
    }
    50% {
        opacity: 0.8;
        transform: scale(1);
        box-shadow: 0 0 15px rgba(255,255,255,0.3);
    }
    100% { 
        opacity: 0;
        transform: scale(0.3);
        box-shadow: 0 0 5px rgba(255,255,255,0);
    }
}

/* Enhanced Growth Effects */
.mycelium-growth-effect {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.mycelium-growth-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(255, 255, 255, 0.15) 0%, 
                rgba(255, 255, 255, 0.08) 25%, 
                rgba(255, 255, 255, 0.03) 50%, 
                transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
    border-radius: inherit;
}

.mycelium-growth-effect:hover::before {
    opacity: 1;
}

/* Enhanced Interactive Elements */
.interactive-element {
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.interactive-element::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(255, 255, 255, 0.2) 0%, 
                rgba(255, 255, 255, 0.1) 20%, 
                rgba(255, 255, 255, 0.05) 40%, 
                rgba(255, 255, 255, 0.02) 60%, 
                transparent 80%);
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
    border-radius: inherit;
}

.interactive-element:hover::after {
    opacity: 1;
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .product-card {
        padding: 2rem;
    }
    
    .feature {
        padding: 1rem;
    }
    
    /* Partner Section Small Mobile */
    .partner-logos {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        justify-items: center;
        align-items: center;
        max-width: 90%;
        margin: 0 auto;
    }
    
    .partner-logo {
        display: flex;
        justify-content: center;
        align-items: center;
        animation-duration: 1.2s, 8s;
    }
    
    .partner-logo img {
        height: 35px;
        width: auto;
        max-width: 120px;
        object-fit: contain;
    }
    
    /* Small Mobile Text Improvements */
    .hero-description {
        font-size: clamp(0.9rem, 5vw, 1.1rem);
        line-height: 1.6;
        margin: 1.5rem auto;
        padding: 0 10px;
        max-width: 100%;
    }
    
    .highlight {
        padding: 0.1em 0.2em;
        font-size: 0.95em;
        margin: 0;
        white-space: normal;
    }
    
    .newsletter h2 {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
        line-height: 1.3;
        margin-bottom: 0.8rem;
    }
    
    .newsletter p {
        font-size: 1rem;
        line-height: 1.6;
        margin-bottom: 2rem;
        padding: 0 10px;
    }
}