/* ===== ПЕРЕМЕННЫЕ ===== */
:root {
    --bg-primary: #0b0e14;
    --bg-secondary: #131a22;
    --bg-card: #1a242f;
    --text-primary: #e6edf3;
    --text-secondary: #9aa9b9;
    --accent-green: #00ff88;
    --accent-blue: #4dabf7;
    --accent-cyan: #00d4ff;
    --border-glow: rgba(0, 255, 136, 0.2);
    --font-mono: 'Space Mono', monospace;
    --font-sans: 'Inter', sans-serif;
    --shadow-neon: 0 0 30px rgba(0, 255, 136, 0.05);
}

/* ===== СБРОС И БАЗА ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--accent-cyan); text-decoration: none; transition: color 0.3s; }
a:hover { color: var(--accent-green); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ===== ШАПКА ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 14, 20, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.15);
    padding: 0.8rem 0;
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.6rem;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logo i { color: var(--accent-green); font-size: 1.8rem; text-shadow: 0 0 12px rgba(0,255,136,0.3); }
.logo span { color: var(--accent-green); }

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    font-weight: 600;
    align-items: center;
}
.nav-links a {
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-green);
    transition: width 0.3s;
    box-shadow: 0 0 8px var(--accent-green);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }

.scroll-down-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s;
}
.scroll-down-btn:hover {
    background: var(--accent-green);
    color: var(--bg-primary);
    box-shadow: 0 0 30px rgba(0,255,136,0.3);
}

/* ===== ГЛАВНЫЙ ЭКРАН ===== */
.hero {
    padding: 5rem 0 3rem;
    min-height: 80vh;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.hero .container { display: flex; flex-direction: column; gap: 1.5rem; }
.hero h1 {
    font-family: var(--font-mono);
    font-size: clamp(2.8rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
}
.hero h1 .highlight { color: var(--accent-green); text-shadow: 0 0 30px rgba(0,255,136,0.2); }
.hero h1 .cursor {
    display: inline-block;
    width: 4px;
    height: 0.9em;
    background: var(--accent-green);
    margin-left: 4px;
    animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    color: var(--text-secondary);
}
.hero .tagline {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent-cyan);
    background: rgba(77,171,247,0.08);
    padding: 0.5rem 1.2rem;
    border-radius: 40px;
    display: inline-block;
    border: 1px solid rgba(77,171,247,0.2);
}
.cta-group { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}
.btn-primary {
    background: var(--accent-green);
    color: var(--bg-primary);
    box-shadow: 0 0 25px rgba(0,255,136,0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 40px rgba(0,255,136,0.4); }
.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
}
.btn-outline:hover {
    background: var(--accent-cyan);
    color: var(--bg-primary);
    box-shadow: 0 0 30px rgba(0,212,255,0.2);
}
.scroll-indicator {
    margin-top: 2.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    animation: float 2s ease-in-out infinite;
    cursor: pointer;
}
.scroll-indicator i { font-size: 2rem; color: var(--accent-green); opacity: 0.7; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }

/* ===== ОБЩИЕ СЕКЦИИ ===== */
section { padding: 5rem 0; border-bottom: 1px solid rgba(255,255,255,0.03); }
section:last-of-type { border-bottom: none; }
.section-title {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}
.section-title i { color: var(--accent-green); font-size: 2rem; }
.section-subtitle {
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-size: 1.15rem;
    max-width: 700px;
}

/* ===== О НАС ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.about-text p { margin-bottom: 1.2rem; color: var(--text-secondary); }
.about-text strong { color: var(--text-primary); }
.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.stat-card {
    background: var(--bg-card);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.04);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-neon); }
.stat-card .number {
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-green);
}
.stat-card .label { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.3rem; }

/* ===== УСЛУГИ ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}
.service-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem 1.8rem;
    border: 1px solid rgba(255,255,255,0.04);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(0,255,136,0.02), transparent 60%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(0,255,136,0.2);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4), var(--shadow-neon);
}
.service-card .icon {
    font-size: 2.8rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    display: inline-block;
    text-shadow: 0 0 20px rgba(0,212,255,0.15);
}
.service-card h3 {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    margin-bottom: 0.6rem;
}
.service-card p { color: var(--text-secondary); font-size: 0.95rem; }
.service-card .badge {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.2rem 0.8rem;
    border-radius: 30px;
    background: rgba(0,255,136,0.08);
    color: var(--accent-green);
    border: 1px solid rgba(0,255,136,0.15);
    font-family: var(--font-mono);
}

/* ===== КОНТАКТЫ ===== */
.contacts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.contact-item i {
    width: 2.5rem;
    font-size: 1.6rem;
    color: var(--accent-green);
    text-align: center;
}
.contact-item .info { color: var(--text-secondary); }
.contact-item .info strong { color: var(--text-primary); font-weight: 600; }

.contact-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.04);
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    margin-bottom: 1rem;
    background: var(--bg-primary);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: border-color 0.3s;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 20px rgba(0,255,136,0.05);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form .btn { width: 100%; justify-content: center; }

/* ===== ПОДВАЛ ===== */
footer {
    padding: 2rem 0;
    border-top: 1px solid rgba(255,255,255,0.03);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: auto;
}
footer .mono { font-family: var(--font-mono); color: var(--accent-green); }

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 820px) {
    .navbar .container { flex-direction: column; align-items: stretch; gap: 0.8rem; }
    .nav-links { justify-content: center; flex-wrap: wrap; gap: 1rem 1.8rem; }
    .scroll-down-btn { align-self: center; }
    .about-grid { grid-template-columns: 1fr; gap: 2rem; }
    .contacts-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.8rem; }
    .section-title { font-size: 2rem; }
}
@media (max-width: 480px) {
    .container { padding: 0 1.2rem; }
    .hero { min-height: 70vh; padding: 3rem 0; }
    .services-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: 1fr 1fr; }
}