:root {
    --bg-color: #f7f5ed; /* Warm rice paper */
    --text-color: #31332a; /* Ink dark */
    --accent-color: #6a8264; /* Bamboo green */
    --accent-warm: #bc6c25; /* Warm moxa/wood */
    --white: #ffffff;
    --font-heading: 'Noto Serif SC', "Songti SC", "SimSun", serif;
    --font-body: 'Noto Serif SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.8;
    overflow-x: hidden;
}

h1, h2, h3, .logo {
    font-family: var(--font-heading);
    font-weight: 400;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 6%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(247, 245, 237, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    box-shadow: 0 1px 15px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.8rem;
    color: var(--accent-color);
    letter-spacing: 4px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.05rem;
    position: relative;
    transition: color 0.3s;
    letter-spacing: 1px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    transition: width 0.4s ease;
}

.nav-links a:hover {
    color: var(--accent-color);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    transform: scale(1.02);
    animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1.02); }
    100% { transform: scale(1.08); }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.5));
    z-index: -1;
}

.hero-content {
    color: var(--white);
    max-width: 800px;
    padding: 0 2rem;
    animation: fadeInUp 1.5s ease 0.5s both;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    letter-spacing: 6px;
    text-shadow: 2px 4px 12px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.9);
}

.btn {
    display: inline-block;
    padding: 1rem 3rem;
    background-color: transparent;
    color: var(--white);
    border: 1px solid var(--white);
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 3px;
    transition: all 0.4s ease;
    backdrop-filter: blur(4px);
}

.btn:hover {
    background-color: var(--white);
    color: var(--text-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 7rem 2rem;
}

h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    letter-spacing: 3px;
}

.divider {
    width: 40px;
    height: 2px;
    background-color: var(--accent-warm);
    margin: 0 auto 3rem;
}

/* About Section */
.about {
    text-align: center;
    background-color: #fffdf7;
    background-image: radial-gradient(circle at 50% 50%, rgba(106, 130, 100, 0.03) 0%, transparent 80%);
}

.about p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto;
    color: #63665c;
    line-height: 2.2;
}

/* Services Section */
.services {
    background-color: var(--bg-color);
}

.service-grid {
    display: grid;
    gap: 7rem;
    margin-top: 4rem;
}

.service-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

@media (min-width: 769px) {
    .service-card.reverse .card-img {
        order: 2;
    }
    .service-card.reverse .card-content {
        order: 1;
    }
}

.card-img {
    overflow: hidden;
    border-radius: 2px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    position: relative;
}

.card-img::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.2);
    z-index: 1;
    pointer-events: none;
}

.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

.card-content {
    padding: 2rem 0;
}

.card-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.card-content h3::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 1px;
    bottom: -10px;
    left: 0;
    background-color: var(--accent-warm);
}

.card-content p {
    font-size: 1.15rem;
    color: #55584d;
    line-height: 2.2;
    margin-top: 2rem;
}

/* Footer */
footer {
    background-color: #262723;
    color: #d1d2cc;
    text-align: center;
    padding: 6rem 2rem 3rem;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: var(--accent-warm);
    opacity: 0.5;
}

.footer-content h2 {
    color: var(--accent-warm);
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
}

.footer-content p {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.phone {
    font-size: 1.8rem !important;
    margin: 2.5rem 0 !important;
    font-family: var(--font-heading);
    letter-spacing: 3px;
    color: #ffffff;
}

.address {
    color: #888a80;
}

.copyright {
    margin-top: 5rem;
    font-size: 0.9rem;
    opacity: 0.4;
    letter-spacing: 1px;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 900px) {
    .service-card {
        gap: 3rem;
    }
    .hero h1 {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem 5%;
    }
    
    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        display: none; 
    }

    .service-card {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 4rem 1.5rem;
    }
}