:root {
    /* Garden Palette */
    --primary: #2E7D32;
    /* Leaf Green */
    --secondary: #558B2F;
    /* Light Green */
    --accent: #8D6E63;
    /* Earth Brown */
    --bg-body: #F1F8E9;
    /* Pale Green */
    --bg-card: #FFFFFF;
    --text-main: #33691E;
    /* Dark Green Text */
    --text-muted: #555555;

    /* Typography */
    --font-heading: 'Merriweather', serif;
    --font-body: 'Lato', sans-serif;

    /* Spacing */
    --container-width: 1100px;
    --header-height: 100px;

    /* UI */
    --radius: 8px;
    --shadow: 0 4px 15px rgba(46, 125, 50, 0.15);
}

[data-theme="autumn-leaves"] {
    --primary: #D84315;
    /* Rust Orange */
    --secondary: #FF6F00;
    /* Amber */
    --accent: #5D4037;
    /* Dark Brown */
    --bg-body: #FFF3E0;
    --text-main: #BF360C;
}

[data-theme="modern-stone"] {
    --primary: #455A64;
    /* Slate Grey */
    --secondary: #607D8B;
    /* Blue Grey */
    --accent: #263238;
    /* Dark Slate */
    --bg-body: #ECEFF1;
    --text-main: #263238;
    --font-heading: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Header */
header {
    height: var(--header-height);
    background: white;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s;
}

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

.btn-nature {
    background: var(--primary);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 700;
    transition: background 0.3s;
}

.btn-nature:hover {
    background: var(--secondary);
}

/* Hero */
.hero {
    height: 80vh;
    background: url('https://images.unsplash.com/photo-1585320806297-9794b3e4eeae?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    padding: 3rem;
    border-radius: var(--radius);
    backdrop-filter: blur(5px);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-style: italic;
}

/* Services */
.services {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 4rem;
    font-style: italic;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.service-content {
    padding: 1.5rem;
    text-align: center;
}

.service-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

/* Gallery / Portfolio */
.portfolio {
    padding: 6rem 0;
    background: var(--bg-card);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.portfolio-item {
    position: relative;
    height: 300px;
    overflow: hidden;
    border-radius: var(--radius);
}

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

.portfolio-item:hover .portfolio-img {
    transform: scale(1.1);
}

/* Footer */
footer {
    background: var(--primary);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

footer a {
    color: white;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

    .nav-links {
        display: none;
    }
}