:root {
    --bg-dark: #0d0f12;
    --bg-card: #15181e;
    --bg-card-hover: #1c2029;
    --border-color: #262b36;
    --text-main: #e2e8f0;
    --text-muted: #8a94a6;
    --accent-red: #ff003c;
    --accent-red-hover: #d90033;
    --metal-silver: #cbd5e1;
    --font-heading: 'Orbitron', 'Rajdhani', sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.accent-red {
    color: var(--accent-red);
}

/* ==========================================
   HEADER & LOGO FIX (Убираем фиолетовую полосу)
   ========================================== */
.site-header {
    background: rgba(13, 15, 18, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
}

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

/* Полный сброс подчёркиваний для ссылки-логотипа */
.brand-logo,
.brand-logo:visited,
.brand-logo:hover,
.brand-logo:active {
    text-decoration: none !important;
    outline: none;
}

.brand-logo .logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 1px;
    text-decoration: none !important;
}

.header-contacts {
    display: flex;
    gap: 20px;
}

.nav-contact {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-contact:hover {
    color: #ffffff;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-muted);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 700;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 2px 5px;
}

.lang-btn.active {
    color: var(--accent-red);
}

/* ==========================================
   HERO SECTION & LOGO CIRCLE (Круг по центру)
   ========================================== */
.hero-section {
    padding: 160px 0 90px;
    text-align: center;
    position: relative;
    background: radial-gradient(circle at center, #1a1e27 0%, var(--bg-dark) 70%);
}

/* Компактный титановый круг под логотип */
.logo-circle-container {
    width: 130px;
    height: 130px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: #12151b;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    box-shadow: 0 0 20px rgba(255, 0, 60, 0.25), inset 0 0 12px rgba(0, 0, 0, 0.5);
    transition: all 0.4s ease;
}

.logo-circle-container:hover {
    border-color: var(--accent-red);
    box-shadow: 0 0 28px rgba(255, 0, 60, 0.5), inset 0 0 16px rgba(0, 0, 0, 0.7);
    transform: scale(1.03);
}

.hero-circle-logo {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 5px;
}

.hero-slogan {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    color: var(--metal-silver);
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.hero-desc {
    max-width: 650px;
    margin: 0 auto 35px;
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--accent-red);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(255, 0, 60, 0.4);
}

.btn-primary:hover {
    background: var(--accent-red-hover);
    box-shadow: 0 0 30px rgba(255, 0, 60, 0.7);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* ==========================================
   SECTIONS & CARDS
   ========================================== */
section {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 50px;
    letter-spacing: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 6px;
    transition: all 0.3s;
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-red);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #ffffff;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================
   PORTFOLIO
   ========================================== */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--accent-red);
    color: #ffffff;
    border-color: var(--accent-red);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.portfolio-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.portfolio-ph {
    height: 200px;
    background: #1c2029;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.portfolio-info {
    padding: 20px;
}

.portfolio-info h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 5px;
}

.portfolio-info p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ==========================================
   WORKFLOW
   ========================================== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 6px;
    position: relative;
}

.step-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: rgba(255, 0, 60, 0.2);
    position: absolute;
    top: 15px;
    right: 20px;
}

.step-card h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.step-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ==========================================
   FOOTER
   ========================================== */
.site-footer {
    padding: 40px 0;
    background: #08090b;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-slogan {
    color: var(--text-muted);
    font-size: 0.85rem;
    letter-spacing: 2px;
    margin-top: 5px;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    .header-contacts {
        display: none;
    }
    .hero-title {
        font-size: 2.4rem;
    }
    .hero-slogan {
        font-size: 1rem;
    }
}