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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: #f8faf5;
    color: #37474F;
    overflow-x: hidden;
}

.page {
    display: none;
    min-height: 100vh;
    animation: fadeIn 0.6s ease-in-out;
}

.page.active {
    display: block;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.logo .logo-text {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #37474F;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #4CAF50;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    border-radius: 1px;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #37474F;
    cursor: pointer;
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 50%, #fff8e1 100%);
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 1;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-big {
    margin-bottom: 20px;
}

.logo-text-main {
    font-size: 80px;
    font-weight: 700;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 50%, #4CAF50 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 10px;
}

.slogan {
    font-size: 32px;
    font-weight: 500;
    color: #37474F;
    margin-bottom: 20px;
    letter-spacing: 8px;
}

.hero-desc {
    font-size: 18px;
    color: #607D8B;
    margin-bottom: 40px;
    max-width: 600px;
    line-height: 1.8;
}

.hero-btn {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.4);
}

.hero-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(76, 175, 80, 0.5);
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: float 8s ease-in-out infinite;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: #4CAF50;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    background: #81C784;
    bottom: 20%;
    right: 15%;
    animation-delay: -2s;
}

.circle-3 {
    width: 150px;
    height: 150px;
    background: #FFD700;
    top: 50%;
    right: 30%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 15px;
}

.section-title p {
    font-size: 16px;
    color: #607D8B;
}

.trademark-preview {
    padding: 100px 20px;
    background: white;
}

.trademark-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: #4CAF50;
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 36px;
    color: #4CAF50;
    margin-bottom: 20px;
}

.card-icon-2 {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    color: #FFD700;
}

.card-badge {
    display: inline-block;
    padding: 5px 15px;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 10px;
}

.card-content h3 {
    font-size: 24px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 15px;
}

.card-content p {
    font-size: 14px;
    color: #607D8B;
    line-height: 1.8;
    margin-bottom: 20px;
}

.card-arrow {
    display: inline-flex;
    align-items: center;
    color: #4CAF50;
    font-weight: 500;
    transition: all 0.3s ease;
}

.card:hover .card-arrow {
    transform: translateX(10px);
}

.features {
    padding: 100px 20px;
    background: #f8faf5;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    color: #4CAF50;
    margin: 0 auto 20px;
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: #37474F;
    margin-bottom: 15px;
}

.feature-item p {
    font-size: 14px;
    color: #607D8B;
    line-height: 1.6;
}

.page-header {
    text-align: center;
    padding: 120px 20px 60px;
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    color: #607D8B;
}

.trademark-detail {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.detail-section {
    background: white;
    border-radius: 25px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.category-badge {
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    color: white;
}

.category-35 {
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
}

.category-20 {
    background: linear-gradient(135deg, #FFD700 0%, #FFA000 100%);
}

.detail-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: #37474F;
}

.detail-desc {
    font-size: 16px;
    color: #607D8B;
    line-height: 1.8;
    margin-bottom: 30px;
    padding: 20px;
    background: #f8faf5;
    border-radius: 15px;
}

.service-list h3,
.product-grid h3 {
    font-size: 20px;
    font-weight: 600;
    color: #37474F;
    margin-bottom: 20px;
}

.service-list ul {
    list-style: none;
}

.service-list li {
    padding: 15px 20px;
    background: #f8faf5;
    border-radius: 10px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 15px;
    color: #37474F;
}

.service-list li i {
    color: #4CAF50;
    font-size: 18px;
}

.grid-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.grid-item {
    padding: 20px;
    background: #f8faf5;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.grid-item:hover {
    transform: translateY(-5px);
    background: #e8f5e9;
}

.grid-item i {
    font-size: 28px;
    color: #4CAF50;
    margin-bottom: 10px;
}

.grid-item span {
    font-size: 13px;
    color: #37474F;
    font-weight: 500;
}

.category-info {
    display: flex;
    gap: 30px;
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-label {
    font-size: 12px;
    color: #90A4AE;
}

.info-value {
    font-size: 14px;
    font-weight: 600;
    color: #37474F;
}

.brand-story {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.story-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 30px;
}

.story-text p {
    font-size: 16px;
    color: #607D8B;
    line-height: 2;
    margin-bottom: 20px;
}

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

.image-container {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 80px;
    color: #4CAF50;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.brand-values {
    padding: 60px 20px;
    background: #f8faf5;
}

.brand-values h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 50px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.value-item {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 36px;
    color: white;
    margin: 0 auto 25px;
}

.value-item h3 {
    font-size: 22px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 15px;
}

.value-item p {
    font-size: 14px;
    color: #607D8B;
    line-height: 1.6;
}

.brand-vision {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.brand-vision h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 50px;
}

.vision-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.vision-item {
    display: flex;
    align-items: flex-start;
    gap: 30px;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.vision-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.vision-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    color: white;
    flex-shrink: 0;
}

.vision-text h3 {
    font-size: 22px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 15px;
}

.vision-text p {
    font-size: 15px;
    color: #607D8B;
    line-height: 1.8;
}

.contact-info {
    padding: 60px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.info-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.info-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    color: #4CAF50;
    margin: 0 auto 20px;
}

.info-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #37474F;
    margin-bottom: 15px;
}

.info-card p {
    font-size: 15px;
    color: #607D8B;
}

.contact-form {
    padding: 60px 20px;
    background: #f8faf5;
}

.contact-form h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: #37474F;
    margin-bottom: 40px;
}

#consult-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #37474F;
    margin-bottom: 10px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    color: #37474F;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

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

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(76, 175, 80, 0.4);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(76, 175, 80, 0.5);
}

.footer {
    background: #37474F;
    padding: 60px 20px 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto 40px;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-brand .logo-text {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, #4CAF50 0%, #81C784 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 10px;
}

.footer-brand p {
    font-size: 14px;
    color: #90A4AE;
}

.footer-links {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    text-decoration: none;
    color: #90A4AE;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #4CAF50;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    color: #90A4AE;
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-social a:hover {
    background: #4CAF50;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
    color: #607D8B;
}

.footer-bottom .company-name {
    font-size: 12px;
    color: #90A4AE;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    }

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

    .menu-btn {
        display: block;
    }

    .logo-text-main {
        font-size: 48px;
        letter-spacing: 5px;
    }

    .slogan {
        font-size: 22px;
        letter-spacing: 4px;
    }

    .hero-desc {
        font-size: 14px;
        padding: 0 20px;
    }

    .trademark-cards {
        grid-template-columns: 1fr;
    }

    .story-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .image-container {
        width: 200px;
        height: 200px;
        font-size: 50px;
    }

    .visual-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    #consult-form {
        padding: 30px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .category-info {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .logo-text-main {
        font-size: 36px;
        letter-spacing: 3px;
    }

    .slogan {
        font-size: 18px;
        letter-spacing: 2px;
    }

    .hero-btn {
        padding: 12px 30px;
        font-size: 16px;
    }

    .detail-section {
        padding: 25px;
    }

    .card {
        padding: 20px;
    }

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