:root {
    --primary-color: #8B5A2B;
    --primary-dark: #5C3A1E;
    --primary-light: #A67C52;
    --accent-color: #D4AF37;
    --text-main: #1A1A1A;
    --text-light: #666666;
    --bg-white: #FFFFFF;
    --bg-offwhite: #F9F9F9;
    --bg-dark: #0F0F0F;
    --border-color: #E0E0E0;
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #F2D06B 50%, #B8860B 100%);
    --gradient-wood: linear-gradient(135deg, #8B5A2B 0%, #5C3A1E 100%);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --container-width: 1200px;
    --transition-speed: 0.4s;
}
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Manrope:wght@300;400;500;600;700&display=swap');
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
html {
    scroll-behavior: smooth;
    font-size: 16px;
}
body {
    font-family: 'Manrope', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-main);
    line-height: 1.8;
    overflow-x: hidden;
    width: 100%;
}
a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-speed) ease;
}
ul {
    list-style: none;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
    transition: all var(--transition-speed) ease;
    padding: 0 20px;
}
.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-list {
    display: flex;
    gap: 40px;
    align-items: center;
    height: 100%;
}
.nav-item {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}
.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-main);
    padding: 10px 0;
    position: relative;
    transition: color 0.3s ease;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-gold);
    transition: width 0.3s ease;
}
.nav-item:hover .nav-link {
    color: var(--primary-color);
}
.nav-item:hover .nav-link::after {
    width: 100%;
}
.nav-link.highlight {
    color: var(--primary-color);
    font-weight: 700;
}
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    width: 280px;
    background: var(--bg-white);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 8px 8px;
    border-top: 3px solid var(--primary-color);
    padding: 20px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}
.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.sub-link {
    display: block;
    padding: 12px 25px;
    font-size: 0.9rem;
    color: var(--text-light);
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
}
.sub-link:hover {
    background-color: #f8f8f8;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 30px;
}
.brand-header {
    margin-top: 100px;
    padding: 60px 20px 40px;
    text-align: center;
    background: linear-gradient(180deg, #FFFFFF 0%, #FAFAFA 100%);
}
.site-logo {
    max-width: 100px;
    height: auto;
    margin: 0 auto 30px;
    display: block;
    animation: pulse 3s infinite ease-in-out;
    filter: drop-shadow(0 5px 15px rgba(0,0,0,0.1));
}
.page-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-main);
    background: var(--gradient-wood);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    letter-spacing: -0.5px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}
.partner-notice {
    font-size: 0.95rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
    padding: 15px;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 8px;
    border: 1px dashed var(--accent-color);
}
.contact-highlight-section {
    padding: 60px 20px;
    background: var(--bg-white);
    display: flex;
    justify-content: center;
}
.form-wrapper {
    width: 100%;
    max-width: 700px;
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    overflow: hidden;
}
.form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-gold);
}
.form-heading {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: var(--primary-dark);
}
.corporate-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-group {
    position: relative;
}
.input-field, .textarea-field {
    width: 100%;
    padding: 15px 20px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    background: #fdfdfd;
    transition: all 0.3s ease;
}
.input-field:focus, .textarea-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(139, 90, 43, 0.1);
    background: #fff;
}
.submit-btn {
    background: var(--primary-dark);
    color: white;
    padding: 16px;
    border: none;
    border-radius: 6px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    background-size: 200% auto;
    background-image: linear-gradient(to right, #5C3A1E 0%, #8B5A2B 51%, #5C3A1E 100%);
    box-shadow: 0 10px 20px rgba(92, 58, 30, 0.2);
}
.submit-btn:hover {
    background-position: right center;
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(92, 58, 30, 0.3);
}
.main-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px 80px;
}
.wood-section-alpha, 
.wood-section-beta, 
.wood-section-gamma, 
.wood-section-delta {
    margin-bottom: 100px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards;
}
.wood-section-alpha { animation-delay: 0.2s; }
.wood-section-beta { animation-delay: 0.4s; }
.wood-section-gamma { animation-delay: 0.6s; }
.wood-section-delta { animation-delay: 0.8s; }
.section-heading {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 20px;
}
.section-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
}
.text-content {
    margin-bottom: 50px;
    text-align: justify;
    column-count: 2;
    column-gap: 40px;
}
.text-content p {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: var(--text-light);
}
.gallery-grid {
    display: grid;
    gap: 20px;
    width: 100%;
}
.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.5s ease, filter 0.5s ease;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.gallery-img:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}
.wood-section-alpha .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: 300px 300px;
}
.wood-section-alpha .gallery-grid img:nth-child(1) { grid-column: span 2; grid-row: span 2; height: 100%; }
.wood-section-alpha .gallery-grid img:nth-child(2) { grid-column: span 2; height: 100%; }
.wood-section-beta .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 250px;
}
.wood-section-beta .gallery-grid img:nth-child(even) { margin-top: 30px; }
.wood-section-gamma .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 30px;
}
.wood-section-gamma .gallery-grid img {
    height: 400px;
    border-radius: 20px 0 20px 0;
}
.wood-section-delta .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: masonry;
}
.wood-section-delta .gallery-grid img:nth-child(1) { grid-column: span 2; height: 500px; }
.wood-section-delta .gallery-grid img:nth-child(n+2) { height: 240px; }
.strategic-partners {
    background: linear-gradient(180deg, #F5F5F5 0%, #E0E0E0 100%);
    padding: 100px 20px;
    margin-top: 60px;
    position: relative;
    overflow: hidden;
}
.strategic-partners::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}
.partner-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.5);
}
.partner-heading {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: var(--text-main);
    background: linear-gradient(90deg, #1a1a1a, #4a4a4a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.partner-description {
    font-size: 1.1rem;
    line-height: 2;
    color: #444;
}
.partner-description p {
    margin-bottom: 30px;
}
.partner-link {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: none;
    position: relative;
    transition: all 0.3s ease;
    padding-bottom: 2px;
    border-bottom: 1px solid rgba(139, 90, 43, 0.3);
}
.partner-link:hover {
    color: var(--primary-dark);
    background-color: rgba(139, 90, 43, 0.05);
    border-bottom-color: var(--primary-dark);
}
.site-footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding: 80px 20px;
    font-size: 0.9rem;
    border-top: 5px solid var(--accent-color);
}
.footer-wrapper {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 40px;
    text-align: center;
}
.copyright {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}
.address {
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}
.tech-credit {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.8;
}
.credit-link {
    color: var(--accent-color);
    transition: all 0.3s ease;
}
.credit-link:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}
@media (max-width: 1024px) {
    .text-content {
        column-count: 1;
    }
    .wood-section-alpha .gallery-grid,
    .wood-section-beta .gallery-grid,
    .wood-section-gamma .gallery-grid,
    .wood-section-delta .gallery-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        grid-template-rows: auto !important;
    }
    .wood-section-alpha .gallery-grid img,
    .wood-section-delta .gallery-grid img {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
        height: 300px !important;
    }
    .nav-list {
        display: none; 
    }
    .site-header {
        display: flex;
        justify-content: center;
        height: 60px;
    }
    .nav-container::before {
        content: 'MENU';
        display: block;
        font-weight: bold;
        cursor: pointer;
    }
}
@media (max-width: 768px) {
    .page-title {
        font-size: 1.8rem;
    }
    .partner-container {
        padding: 30px;
    }
    .form-wrapper {
        padding: 25px;
    }
    .gallery-grid {
        grid-template-columns: 1fr !important;
    }
    .gallery-img {
        height: 250px !important;
    }
}
::selection {
    background: var(--primary-color);
    color: #fff;
}
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}
.input-field:hover, .textarea-field:hover {
    border-color: #bbb;
}
.contact-highlight-section, .strategic-partners {
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
}
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
.main-navigation:hover .nav-item:not(:hover) {
    opacity: 0.7;
    filter: blur(0.5px);
}
.nav-item {
    transition: all 0.3s ease;
}
.gallery-grid img {
    transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.gallery-grid:hover img:not(:hover) {
    transform: scale(0.95);
    opacity: 0.8;
}
.wood-section-alpha, .wood-section-beta, .wood-section-gamma, .wood-section-delta, .strategic-partners, .contact-highlight-section {
    position: relative;
    z-index: 10;
}
.section-title span {
    display: inline-block;
    background: linear-gradient(120deg, var(--primary-light) 0%, var(--primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
button:active {
    transform: scale(0.98);
}
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active{
    -webkit-box-shadow: 0 0 0 30px white inset !important;
}
.development-notice-wrapper {
    background: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
    padding: 15px;
    margin: 20px auto;
    max-width: var(--container-width);
    border-radius: 5px;
    text-align: center;
    font-size: 0.9em;
}
h1, h2, h3 {
    margin-top: 0;
}
p + p {
    margin-top: 1.5em;
}
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
}
.logo-container img {
    max-height: 80px;
    width: auto;
}
.contact-link {
    display: inline-block;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
}
