/* === PRF Corporate Template === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --color-dark:    #1a2332;
    --color-primary: #1B5EA7;
    --color-primary-light: #2A7BD4;
    --color-accent:  #e8f2fc;
    --color-gray:    #6b7280;
    --color-light:   #f4f6f9;
    --color-white:   #ffffff;
    --color-border:  #e2e8f0;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 8px;
    --shadow: 0 2px 16px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 32px rgba(27,94,167,0.15);
    --transition: 0.25s ease;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: #1f2937; background: var(--color-white); line-height: 1.6; font-size: 17px; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-light); }
img { max-width: 100%; height: auto; display: block; }
h1,h2,h3,h4,h5 { font-weight: 700; line-height: 1.25; color: var(--color-dark); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === HEADER === */
#prf-header { position: sticky; top: 0; z-index: 1000; background: var(--color-dark); box-shadow: 0 2px 12px rgba(0,0,0,0.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 24px; }
.header-logo a { display: flex; align-items: center; gap: 12px; color: var(--color-white); font-size: 1.05rem; font-weight: 700; white-space: nowrap; }
.logo-icon { width: 40px; height: 40px; background: var(--color-primary); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1rem; font-weight: 900; color: #fff; flex-shrink: 0; }
.logo-sub { font-size: 0.68rem; font-weight: 400; opacity: 0.65; display: block; }

.header-nav { display: flex; align-items: center; gap: 2px; }
.header-nav a { color: rgba(255,255,255,0.8); font-size: 0.875rem; font-weight: 500; padding: 8px 12px; border-radius: 6px; transition: background var(--transition), color var(--transition); }
.header-nav a:hover, .header-nav a.selected { background: rgba(255,255,255,0.1); color: #fff; }

.header-contacts { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.header-phone { color: var(--color-white); font-size: 1rem; font-weight: 700; white-space: nowrap; }
.header-phone:hover { color: #90c8f8; }
.btn-callback { background: var(--color-primary); color: #fff !important; padding: 9px 18px; border-radius: 6px; font-size: 0.85rem; font-weight: 600; white-space: nowrap; transition: background var(--transition); display: inline-block; }
.btn-callback:hover { background: var(--color-primary-light); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* === HERO === */
#prf-hero { background: linear-gradient(135deg, #1a2332 0%, #243555 60%, #1a3a6b 100%); padding: 90px 0 72px; color: #fff; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-label { display: inline-flex; align-items: center; gap: 8px; background: rgba(27,94,167,0.3); color: #90c8f8; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 14px; border-radius: 20px; margin-bottom: 20px; border: 1px solid rgba(27,94,167,0.4); }
.hero-dot { width: 8px; height: 8px; background: #4da3ff; border-radius: 50%; animation: pulse 2s infinite; flex-shrink: 0; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }
.hero-title { font-size: clamp(1.8rem, 3.5vw, 2.7rem); margin-bottom: 18px; color: #fff; }
.hero-title em { color: #4da3ff; font-style: normal; }
.hero-desc { font-size: 1rem; opacity: 0.8; margin-bottom: 32px; line-height: 1.75; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.btn-primary { background: var(--color-primary); color: #fff; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; font-size: 1rem; transition: background var(--transition), transform var(--transition); border: none; cursor: pointer; display: inline-block; }
.btn-primary:hover { background: var(--color-primary-light); transform: translateY(-2px); color: #fff; }
.btn-outline { background: transparent; color: #fff; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; font-size: 1rem; border: 2px solid rgba(255,255,255,0.3); transition: border-color var(--transition), background var(--transition); display: inline-block; }
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); color: #fff; }
.hero-stats { display: flex; gap: 40px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1); }
.hero-stat-num { font-size: 1.8rem; font-weight: 800; color: #4da3ff; }
.hero-stat-label { font-size: 0.78rem; opacity: 0.6; margin-top: 2px; }
.hero-cards { display: flex; flex-direction: column; gap: 12px; }
.hero-card { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); padding: 16px 20px; display: flex; align-items: center; gap: 14px; transition: background var(--transition); }
.hero-card:hover { background: rgba(255,255,255,0.12); }
.hero-card-icon { font-size: 1.5rem; flex-shrink: 0; }
.hero-card-title { font-size: 0.9rem; font-weight: 600; color: #fff; margin-bottom: 2px; }
.hero-card-text { font-size: 0.8rem; opacity: 0.65; }

/* === SECTIONS === */
.section { padding: 80px 0; }
.section-alt { background: var(--color-light); }
.section-dark { background: var(--color-dark); color: #fff; }
.section-dark h2, .section-dark h3, .section-dark h4 { color: #fff; }
.section-header { text-align: center; margin-bottom: 52px; }
.section-tag { display: inline-block; background: var(--color-accent); color: var(--color-primary); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 14px; border-radius: 20px; margin-bottom: 12px; }
.section-dark .section-tag { background: rgba(27,94,167,0.3); color: #90c8f8; }
.section-title { font-size: clamp(1.7rem, 3vw, 2.5rem); margin-bottom: 12px; }
.section-desc { color: var(--color-gray); font-size: 0.95rem; max-width: 560px; margin: 0 auto; }
.section-dark .section-desc { color: rgba(255,255,255,0.65); }

/* === SERVICES === */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 28px; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--color-primary); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon { font-size: 2.4rem; margin-bottom: 14px; }
.service-title { font-size: 1.05rem; margin-bottom: 14px; }
.service-list { list-style: none; }
.service-list li { font-size: 0.85rem; color: var(--color-gray); padding: 6px 0; border-bottom: 1px solid var(--color-border); display: flex; gap: 8px; }
.service-list li:last-child { border-bottom: none; }
.service-list li::before { content: '—'; color: var(--color-primary); flex-shrink: 0; font-weight: 700; }
.service-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 0.85rem; font-weight: 600; }
.service-link:hover gap { gap: 10px; }

/* === ADVANTAGES === */
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.advantage-card { text-align: center; padding: 28px 16px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; transition: background var(--transition); }
.advantage-card:hover { background: rgba(255,255,255,0.1); }
.advantage-icon { font-size: 2.2rem; margin-bottom: 12px; }
.advantage-num { font-size: 2rem; font-weight: 800; color: #4da3ff; margin-bottom: 4px; }
.advantage-title { font-size: 0.9rem; font-weight: 600; color: #fff; margin-bottom: 6px; }
.advantage-desc { font-size: 0.8rem; opacity: 0.6; }

/* === EQUIPMENT === */
.equipment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.equipment-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.equipment-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.equipment-img { height: 170px; background: var(--color-light); display: flex; align-items: center; justify-content: center; font-size: 2.5rem; overflow: hidden; }
.equipment-img img { width: 100%; height: 100%; object-fit: cover; }
.equipment-name { padding: 12px 16px; font-size: 0.85rem; font-weight: 600; line-height: 1.4; }

/* === CTA === */
.cta-section { background: linear-gradient(135deg, var(--color-primary) 0%, #1a3a6b 100%); padding: 72px 0; text-align: center; color: #fff; }
.cta-section h2 { color: #fff; font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 12px; }
.cta-section p { opacity: 0.85; margin-bottom: 32px; }
.cta-form { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-input { padding: 13px 18px; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.3); font-size: 1rem; width: 220px; background: rgba(255,255,255,0.15); color: #fff; outline: none; transition: background var(--transition); }
.cta-input::placeholder { color: rgba(255,255,255,0.55); }
.cta-input:focus { background: rgba(255,255,255,0.22); border-color: rgba(255,255,255,0.6); }
.btn-white { background: #fff; color: var(--color-primary); padding: 13px 28px; border-radius: var(--radius); font-weight: 700; font-size: 1rem; border: none; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); display: inline-block; }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); color: var(--color-primary); }
.cta-note { margin-top: 14px; font-size: 0.78rem; opacity: 0.55; }

/* === FOOTER === */
#prf-footer { background: #111827; color: rgba(255,255,255,0.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 48px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-logo .logo-icon { width: 34px; height: 34px; }
.footer-logo-name { color: #fff; font-weight: 700; font-size: 0.95rem; }
.footer-desc { font-size: 0.85rem; line-height: 1.7; opacity: 0.65; }
.footer-col h4 { color: #fff; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-col ul li a:hover { color: #fff; }
.footer-contact-item { display: flex; flex-direction: column; gap: 2px; margin-bottom: 12px; font-size: 0.85rem; }
.footer-contact-item strong { color: #fff; display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; opacity: 0.5; margin-bottom: 2px; }
.footer-contact-item a { color: rgba(255,255,255,0.8); }
.footer-contact-item a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; }

/* === MISC === */
#prf-panel { }
.workarea { padding: 48px 0; }
.workarea h1 { font-size: 1.8rem; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--color-border); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .equipment-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .hero-inner { grid-template-columns: 1fr; gap: 40px; }
    .hero-cards { display: none; }
}
@media (max-width: 768px) {
    .header-nav { display: none; position: fixed; top: 70px; left: 0; right: 0; background: var(--color-dark); padding: 16px 24px; flex-direction: column; gap: 4px; box-shadow: 0 8px 24px rgba(0,0,0,0.3); z-index: 999; }
    .header-nav.open { display: flex; }
    .header-contacts .btn-callback { display: none; }
    .nav-toggle { display: flex; }
    .services-grid { grid-template-columns: 1fr; }
    .equipment-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .section { padding: 56px 0; }
    #prf-hero { padding: 60px 0 48px; }
    .hero-stats { gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) {
    .equipment-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr 1fr; }
    .hero-actions { flex-direction: column; }
}

/* === MOBILE FIXES === */
@media (max-width: 900px) {
    .header-nav { display: none !important; }
    .nav-toggle { display: flex !important; }
    .header-contacts .btn-callback { display: none !important; }
    .header-phone { font-size: 0.875rem !important; }
    .header-logo a { font-size: 0.9rem !important; }
    .logo-sub { display: none !important; }
    .header-inner { height: 60px !important; }
}
@media (max-width: 900px) {
    .header-nav.open {
        display: flex !important;
        position: fixed !important;
        top: 60px !important;
        left: 0 !important; right: 0 !important;
        background: var(--color-dark) !important;
        flex-direction: column !important;
        padding: 12px 20px 20px !important;
        gap: 4px !important;
        z-index: 9998 !important;
        box-shadow: 0 8px 24px rgba(0,0,0,0.4) !important;
    }
    .header-nav.open a {
        padding: 12px 16px !important;
        font-size: 1rem !important;
        border-radius: 6px !important;
        border-bottom: 1px solid rgba(255,255,255,0.06) !important;
    }
    .header-nav.open a:last-child { border-bottom: none !important; }
}
@media (max-width: 600px) {
    .header-phone { display: none !important; }
    .logo-icon { width: 32px !important; height: 32px !important; font-size: 0.8rem !important; }
    .hero-stats { flex-wrap: wrap !important; gap: 16px !important; }
    .hero-stat-num { font-size: 1.4rem !important; }
    .services-grid { grid-template-columns: 1fr !important; }
    .advantages-grid { grid-template-columns: 1fr 1fr !important; }
    .equipment-grid { grid-template-columns: 1fr 1fr !important; }
    .cta-form { flex-direction: column !important; align-items: center !important; }
    .cta-input { width: 100% !important; max-width: 340px !important; }
    .footer-grid { grid-template-columns: 1fr !important; }
}

/* === TABLER ICONS === */
.service-icon { display:flex; align-items:center; justify-content:flex-start; margin-bottom:18px; }
.service-icon i { font-size:2.6rem; color:var(--color-primary); }
.advantage-icon i { font-size:2.4rem; color:#4da3ff; }
.hero-card-icon i { font-size:1.8rem; color:#4da3ff; }

/* === ENHANCED CARDS === */
.service-card { padding:32px; }
.service-card:hover .service-icon i { transform:scale(1.1); transition:transform 0.2s; }
.service-title { font-size:1.15rem; margin-bottom:16px; }
.service-list li { font-size:0.9rem; padding:7px 0; }

.advantage-card { padding:36px 24px; }
.advantage-num { font-size:2.4rem; }
.advantage-icon { margin-bottom:16px; }

/* === LARGER BODY TEXT === */
.hero-desc { font-size:1.1rem; }
.section-desc { font-size:1rem; }
.footer-desc { font-size:0.9rem; }

/* === CUSTOM SVG ICONS === */
.prf-icon svg { width:100%; height:100%; }
.service-card .prf-icon { margin-bottom:18px; }
.service-card:hover .prf-icon { color:var(--color-primary-light); }
.prf-icon svg { transition:transform 0.2s; }
.service-card:hover .prf-icon svg { transform:scale(1.08); }