:root {
    --primary: #4a6741;
    --dark: #2c3e2d;
    --light: #f4f7f2;
    --text: #333;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

.container { max-width: 1100px; margin: 0 auto; padding: 60px 20px; }
.bg-light { background-color: var(--light); }
.section-title { text-align: center; margin-bottom: 40px; font-size: 2rem; color: var(--dark); }

/* ШАПКА */
header { background: #fff; padding: 20px 0; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
nav { display: flex; justify-content: space-between; align-items: center; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.logo-wrapper {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo { font-size: 24px; color: var(--primary); text-transform: uppercase; letter-spacing: 2px; font-weight: 400; }
.logo b { font-weight: 700; }

.logo-subtitle {
    font-size: 10px;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 400;
    opacity: 0.8;
    margin-top: 2px;
}

.nav-links { display: flex; list-style: none; }
.nav-links li { margin-left: 30px; }
.nav-links a { text-decoration: none; color: var(--dark); transition: 0.3s; }
.nav-links a:hover { color: var(--primary); }

/* HERO */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('15.jpg'); 
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 75vh;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}

.btn {
    display: inline-block; background: var(--primary); color: #fff;
    padding: 15px 35px; text-decoration: none; border-radius: 50px;
    transition: 0.3s; border: none; cursor: pointer; font-weight: 700;
}
.btn:hover { background: var(--dark); transform: translateY(-3px); }

.hero .btn { margin-top: 30px; }

/* ПОРТФОЛИО */
.project-block { margin-bottom: 60px; }
.project-header { margin-bottom: 20px; }
.project-header h3 { color: var(--primary); font-size: 1.5rem; margin-bottom: 5px; }
.slider-wrapper { position: relative; }
.project-slider { display: flex; overflow-x: auto; gap: 15px; scroll-snap-type: x mandatory; padding: 10px 0; scrollbar-width: none; }
.project-slider::-webkit-scrollbar { display: none; }

.project-slide { 
    flex: 0 0 300px; 
    height: 200px; 
    scroll-snap-align: start; 
    border-radius: 10px; 
    overflow: hidden; 
    position: relative; /* Для эффекта лупы */
}

.project-slide img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
    cursor: pointer; 
    transition: 0.5s; 
}

/* Эффект лупы при наведении */
.project-slide::after {
    content: '🔍';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    opacity: 0;
    transition: 0.3s;
    pointer-events: none;
}

.project-slide:hover img { 
    filter: brightness(0.6); 
    transform: scale(1.1); 
}

.project-slide:hover::after { 
    opacity: 1; 
}

.slider-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: var(--primary); color: white; border: none;
    width: 40px; height: 40px; border-radius: 50%; cursor: pointer; z-index: 5;
    display: flex; align-items: center; justify-content: center;
}
.slider-btn.prev { left: -20px; }
.slider-btn.next { right: -20px; }

/* ЦЕНЫ */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.price-card { background: #fff; padding: 30px; border-radius: 15px; text-align: center; border: 1px solid #eee; }
.price-card.featured { border: 2px solid var(--primary); transform: scale(1.03); }
.cost { font-size: 1.5rem; font-weight: bold; color: var(--primary); margin: 15px 0; }
.price-features { list-style: none; text-align: left; margin-bottom: 20px; font-size: 0.9rem; }
.price-features li::before { content: "✔ "; color: var(--primary); margin-right: 5px; }

/* КОНТАКТЫ */
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-item { display: flex; align-items: center; text-decoration: none; color: var(--dark); margin-bottom: 15px; font-weight: 700; }
.contact-item span { margin-right: 10px; font-size: 1.2rem; }
form { display: flex; flex-direction: column; gap: 10px; }
input, textarea { padding: 12px; border: 1px solid #ddd; border-radius: 5px; font-family: inherit; }

/* ФУТЕР */
footer {
    background: var(--dark);
    color: white;
    width: 100%;
    margin-top: 60px;
    padding-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    align-items: start;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px 40px 20px;
}

.footer-logo { display: flex; flex-direction: column; gap: 10px; }

.footer-nav h4, .footer-social h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-nav ul { list-style: none; }
.footer-nav a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: 0.3s;
    line-height: 2.2;
    display: block;
}
.footer-nav a:hover { opacity: 1; padding-left: 5px; }

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

.social-icon {
    display: flex;
    width: 45px;
    height: 45px;
    background: rgba(255,255,255,0.1);
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    color: white;
    transition: 0.3s;
}
.social-icon:hover { background: var(--primary); transform: translateY(-3px); }

.footer-bottom {
    text-align: center;
    padding: 25px;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
    opacity: 0.5;
}

/* ГАЛЕРЕЯ (ЛАЙТБОКС) */
.lightbox { 
    display: none; 
    position: fixed; 
    top: 0; left: 0; 
    width: 100%; height: 100%; 
    background: rgba(0,0,0,0.9); 
    z-index: 2000; 
    justify-content: center; 
    align-items: center; 
}

.lightbox img { 
    max-width: 85%; 
    max-height: 80%; 
    border-radius: 5px;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
}

.gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    font-size: 40px;
    padding: 20px;
    cursor: pointer;
    transition: 0.3s;
    border-radius: 5px;
}
.gallery-arrow:hover { background: var(--primary); }
.prev-arrow { left: 20px; }
.next-arrow { right: 20px; }

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 50px;
    cursor: pointer;
    line-height: 1;
    transition: 0.3s;
}
.close-btn:hover { color: var(--primary); }

/* МОБИЛЬНАЯ АДАПТАЦИЯ */
@media (max-width: 768px) {
    .nav-links, .slider-btn { display: none; }
    .hero h1 { font-size: 2.2rem; }
    .contact-layout { grid-template-columns: 1fr; }
    .project-slide { flex: 0 0 85%; }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .social-links { justify-content: center; }
    .gallery-arrow { padding: 10px; font-size: 30px; }
    .prev-arrow { left: 5px; }
    .next-arrow { right: 5px; }
}