/* ===== RESET & BASE ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Roboto', 'Segoe UI', sans-serif; color: #2c2c2c; line-height: 1.6; background: #fff; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER / NAV ===== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.97);
    border-bottom: 3px solid #0D6B4F;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    transition: background 0.3s;
}
.nav-wrapper {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 0;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-img {
    width: 48px; height: 48px; object-fit: contain;
}
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 22px; color: #0D6B4F; text-transform: uppercase; letter-spacing: 1px; }
.logo-sub { font-size: 11px; color: #6a8a7a; letter-spacing: 2px; font-weight: 600; }

.nav-links { display: flex; gap: 20px; align-items: center; }
.nav-links a {
    font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 14px;
    color: #333; text-transform: uppercase; letter-spacing: 0.5px;
    padding: 8px 0; border-bottom: 2px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: #0D6B4F; border-bottom-color: #0D6B4F; }
.nav-cta-wrap { position: relative; }
.nav-cta-btn {
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px;
    color: #fff; background: #0D6B4F; border: none; cursor: pointer;
    padding: 10px 24px; text-transform: uppercase; letter-spacing: 1px;
    transition: background 0.3s;
}
.nav-cta-btn:hover { background: #0a5a40; }
.nav-cta-popup {
    display: none; position: absolute; top: 100%; right: 0;
    background: #fff; border: 1px solid #e0e0e0; box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    padding: 16px 20px; min-width: 240px; margin-top: 8px; z-index: 100;
}
.nav-cta-popup.show { display: block; }
.nav-cta-popup a {
    display: block; font-family: 'Montserrat', sans-serif; font-weight: 600;
    font-size: 15px; color: #0D6B4F; padding: 6px 0;
    transition: color 0.3s;
}
.nav-cta-popup a:hover { color: #FF9800; }

.hamburger { display: none; cursor: pointer; flex-direction: column; gap: 5px; }
.hamburger span { width: 28px; height: 3px; background: #0D6B4F; border-radius: 2px; transition: 0.3s; }

/* ===== HERO ===== */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    background: linear-gradient(135deg, rgba(13,107,79,0.92), rgba(10,60,45,0.95)),
                url('../img/hero-construction.jpg') center/cover no-repeat;
    padding-top: 80px;
}
.hero-content { position: relative; z-index: 2; max-width: 700px; }
.hero-badge {
    display: inline-block; background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3); padding: 6px 18px;
    font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 600;
    color: #fff; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 24px;
}
.hero h1 {
    font-family: 'Montserrat', sans-serif; font-weight: 800;
    font-size: 52px; color: #fff; line-height: 1.1; margin-bottom: 20px;
}
.hero h1 span { color: #4CAF50; }
.hero p { font-size: 20px; color: rgba(255,255,255,0.85); line-height: 1.6; margin-bottom: 36px; max-width: 580px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
    display: inline-block; padding: 16px 36px;
    background: #FF9800; color: #fff;
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px;
    text-transform: uppercase; letter-spacing: 1px;
    border: none; cursor: pointer; transition: background 0.3s;
}
.btn-primary:hover { background: #e68a00; }
.btn-outline {
    display: inline-block; padding: 16px 36px;
    background: transparent; color: #fff;
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px;
    text-transform: uppercase; letter-spacing: 1px;
    border: 2px solid rgba(255,255,255,0.5); cursor: pointer; transition: 0.3s;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }

.hero-stats {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(0,0,0,0.3); backdrop-filter: blur(10px);
    padding: 30px 0;
}
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 20px; }
.stat-item { text-align: center; }
.stat-num { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 36px; color: #FF9800; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.8); margin-top: 4px; }

/* ===== SECTIONS COMMON ===== */
section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 {
    font-family: 'Montserrat', sans-serif; font-weight: 800;
    font-size: 36px; color: #1a1a1a; margin-bottom: 16px;
}
.section-header p { font-size: 18px; color: #666; max-width: 600px; margin: 0 auto; }
.accent-line {
    width: 80px; height: 4px; margin: 16px auto 0;
    background: linear-gradient(90deg, #0D6B4F, #2196F3);
}

/* ===== ABOUT ===== */
.about { background: #f8faf9; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-img { position: relative; }
.about-img img { width: 100%; height: 400px; object-fit: cover; }
.about-img-badge {
    position: absolute; bottom: -20px; right: 20px;
    background: #0D6B4F; color: #fff; padding: 16px 28px;
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px;
    text-transform: uppercase; letter-spacing: 1px;
}
.about-text h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 28px; color: #0D6B4F; margin-bottom: 20px; }
.about-text p { font-size: 16px; color: #555; margin-bottom: 16px; line-height: 1.7; }
.about-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.about-fact {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; background: #fff; border-left: 4px solid #0D6B4F;
}
.about-fact-icon { font-size: 24px; }
.about-fact-text { font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 14px; color: #333; }

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card {
    background: #fff; border: 1px solid #e8e8e8;
    padding: 40px 30px; text-align: center;
    transition: box-shadow 0.3s, border-color 0.3s;
    position: relative; overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 4px; background: #0D6B4F; transform: scaleX(0);
    transition: transform 0.3s; transform-origin: left;
}
.service-card:hover { box-shadow: 0 10px 40px rgba(0,0,0,0.08); border-color: #0D6B4F; }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 48px; margin-bottom: 20px; }
.service-card h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 20px; color: #1a1a1a; margin-bottom: 14px; }
.service-card p { font-size: 15px; color: #666; line-height: 1.6; }

/* ===== EQUIPMENT ===== */
.equipment { background: #f8faf9; }
.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.equip-card { background: #fff; border: 1px solid #e8e8e8; overflow: hidden; }
.equip-card img { width: 100%; height: 200px; object-fit: cover; }
.equip-card-body { padding: 24px; }
.equip-card h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 18px; color: #1a1a1a; margin-bottom: 10px; }
.equip-card p { font-size: 14px; color: #666; line-height: 1.6; }
.equip-brands {
    text-align: center; margin-top: 50px; padding: 30px;
    background: #fff; border: 1px solid #e8e8e8;
}
.equip-brands h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 20px; color: #0D6B4F; margin-bottom: 16px; }
.equip-brands p { font-size: 15px; color: #555; line-height: 1.8; }

/* ===== ADVANTAGES ===== */
.adv-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.adv-item { text-align: center; padding: 30px 20px; }
.adv-num {
    font-family: 'Montserrat', sans-serif; font-weight: 800;
    font-size: 48px; color: #0D6B4F; margin-bottom: 12px;
}
.adv-item h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 16px; color: #1a1a1a; margin-bottom: 10px; }
.adv-item p { font-size: 14px; color: #666; }

/* ===== CTA ===== */
.cta {
    background: linear-gradient(135deg, #0D6B4F, #0a4a36);
    padding: 80px 0; text-align: center;
}
.cta h2 { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 36px; color: #fff; margin-bottom: 16px; }
.cta p { font-size: 18px; color: rgba(255,255,255,0.8); margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ===== CONTACTS ===== */
.contacts { background: #f8faf9; }
.contacts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.contact-info h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 24px; color: #0D6B4F; margin-bottom: 30px; }
.contact-item { display: flex; gap: 16px; margin-bottom: 24px; align-items: flex-start; }
.contact-item-icon {
    width: 48px; height: 48px; background: #0D6B4F; color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; flex-shrink: 0;
}
.contact-item h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; color: #888; text-transform: uppercase; margin-bottom: 4px; }
.contact-item p { font-size: 17px; color: #1a1a1a; font-weight: 500; }
.contact-form { background: #fff; padding: 40px; border: 1px solid #e8e8e8; }
.contact-form h3 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 24px; color: #1a1a1a; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 14px 18px; border: 1px solid #ddd;
    font-family: 'Roboto', sans-serif; font-size: 15px; color: #333;
    outline: none; transition: border-color 0.3s;
}
.form-group input:focus, .form-group textarea:focus { border-color: #0D6B4F; }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
    width: 100%; padding: 16px; background: #0D6B4F; color: #fff;
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px;
    text-transform: uppercase; letter-spacing: 1px;
    border: none; cursor: pointer; transition: background 0.3s;
}
.btn-submit:hover { background: #0a5a40; }

/* ===== FOOTER ===== */
.site-footer {
    background: #1a1a1a; color: #999; padding: 50px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { margin-bottom: 16px; }
.footer-about h3 { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 22px; color: #fff; margin-bottom: 16px; }
.footer-about p { font-size: 14px; line-height: 1.7; }
.footer-links h4, .footer-contact h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 16px; color: #fff; margin-bottom: 16px; }
.footer-links a { display: block; font-size: 14px; color: #999; padding: 4px 0; transition: color 0.3s; }
.footer-links a:hover { color: #4CAF50; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; }
.footer-bottom {
    border-top: 1px solid #333; padding-top: 20px;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 13px;
}
.footer-bottom a { color: #4CAF50; }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .nav-links { display: none; }
    .nav-cta-wrap { display: none; }
    .hamburger { display: flex; }
    .nav-links.active { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
    .hero h1 { font-size: 36px; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .equip-grid { grid-template-columns: 1fr 1fr; }
    .adv-grid { grid-template-columns: 1fr 1fr; }
    .contacts-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}
/* ===== PARTNERS ===== */
.partners { padding: 80px 0; background: #f4f6f5; }
.partners-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    margin-top: 40px;
}
.partner-item {
    background: #fff; padding: 30px 20px; text-align: center;
    border-top: 3px solid #0D6B4F;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.partner-item:nth-child(2) { border-top-color: #2196F3; }
.partner-item:nth-child(3) { border-top-color: #FF9800; }
.partner-item:nth-child(5) { border-top-color: #2196F3; }
.partner-item:nth-child(6) { border-top-color: #FF9800; }
.partner-item:nth-child(8) { border-top-color: #2196F3; }
.partner-item:nth-child(9) { border-top-color: #FF9800; }
.partner-item img {
    width: 160px; height: 70px; object-fit: contain; margin: 0 auto 15px;
}
.partner-name {
    font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px;
    color: #1a1a1a; margin-bottom: 4px;
}
.partner-desc { font-size: 12px; color: #888; }
.partners-more {
    text-align: center; margin-top: 30px;
    font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 15px;
    color: #0D6B4F;
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
        display: block;
        padding-top: 100px;
        padding-bottom: 0;
    }
    .hero-content {
        padding-bottom: 40px;
    }
    .hero-stats {
        position: relative;
        bottom: auto;
        left: auto;
        right: auto;
    }
    .stats-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    .stat-num { font-size: 28px; }
    .stat-label { font-size: 12px; }
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .hero-btns { flex-direction: column; }
    .partners-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
    .hero h1 { font-size: 28px; }
    .services-grid { grid-template-columns: 1fr; }
    .equip-grid { grid-template-columns: 1fr; }
    .adv-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
    .about-facts { grid-template-columns: 1fr; }
    .hero-btns { flex-direction: column; }
    .partners-grid { grid-template-columns: 1fr; }
}