/* ===== AVELOT TECH TEMPLATE ===== */
/* Цвета: чёрный, оранжевый, белый */

:root {
    --black: #0a0a0a;
    --black-light: #1a1a1a;
    --black-medium: #2a2a2a;
    --orange: #ff6b00;
    --orange-light: #ff8533;
    --orange-dark: #e55a00;
    --orange-glow: rgba(255, 107, 0, 0.3);
    --white: #ffffff;
    --gray-light: #f5f5f5;
    --gray: #888888;
    --gray-dark: #444444;
    --gradient-orange: linear-gradient(135deg, #ff6b00 0%, #ff8533 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    --shadow-orange: 0 4px 30px rgba(255, 107, 0, 0.2);
    --shadow-dark: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--black);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* ===== ШАПКА ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 107, 0, 0.1);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.98);
    box-shadow: 0 2px 30px rgba(255, 107, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--orange);
    border-radius: 2px;
    animation: pulse-orange 2s infinite;
}

@keyframes pulse-orange {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.header-nav {
    display: flex;
    gap: 30px;
}

.header-link {
    color: var(--gray);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.header-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--orange);
    transition: var(--transition);
}

.header-link:hover {
    color: var(--orange);
}

.header-link:hover::after {
    width: 100%;
}

/* Мобильное меню */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

/* ===== HERO СЕКЦИЯ ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(255, 107, 0, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(255, 107, 0, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 107, 0, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

/* Анимированная сетка */
.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 107, 0, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 107, 0, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
    pointer-events: none;
}

@keyframes grid-move {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 107, 0, 0.1);
    border: 1px solid rgba(255, 107, 0, 0.3);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--orange);
    margin-bottom: 30px;
    animation: fade-in-up 0.8s ease-out;
}

.hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--orange);
    border-radius: 50%;
    animation: pulse-orange 1.5s infinite;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    animation: fade-in-up 0.8s ease-out 0.2s backwards;
}

.hero h1 .highlight {
    background: var(--gradient-orange);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fade-in-up 0.8s ease-out 0.4s backwards;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== СЕКЦИИ ===== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--orange);
    margin-bottom: 15px;
}

.section-label::before {
    content: '';
    width: 30px;
    height: 2px;
    background: var(--orange);
}

.section h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 50px;
    line-height: 1.3;
}

/* ===== СОДЕРЖАНИЕ ===== */
.section-toc {
    background: var(--black-light);
    padding: 60px 0;
}

.toc-header {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.toc-header::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--gray-dark), transparent);
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.toc-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: var(--black-medium);
    border-radius: 10px;
    text-decoration: none;
    color: var(--white);
    transition: var(--transition);
    border: 1px solid transparent;
}

.toc-item:hover {
    background: var(--black);
    border-color: var(--orange);
    transform: translateX(5px);
}

.toc-num {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--orange);
    opacity: 0.7;
}

.toc-text {
    font-size: 0.95rem;
    font-weight: 500;
}

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

/* Карточка компании */
.company-card {
    perspective: 1000px;
    height: 320px;
}

.company-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.company-card:hover .company-card-inner {
    transform: rotateY(180deg);
}

.company-card-front,
.company-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 16px;
    overflow: hidden;
}

.company-card-front {
    background: var(--black-light);
    border: 1px solid var(--black-medium);
    display: flex;
    flex-direction: column;
}

.company-card-back {
    background: linear-gradient(135deg, var(--black-light), var(--black-medium));
    border: 1px solid var(--orange);
    transform: rotateY(180deg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.company-image {
    height: 180px;
    overflow: hidden;
    position: relative;
}

.company-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.company-card:hover .company-card-front .company-image img {
    transform: scale(1.05);
}

.company-name {
    font-size: 1.1rem;
    font-weight: 700;
    padding: 20px;
    text-align: center;
}

.company-card-back .company-name {
    color: var(--orange);
    padding: 0;
    margin-bottom: 15px;
    text-align: left;
}

.company-desc {
    font-size: 0.9rem;
    color: var(--gray);
    line-height: 1.6;
}

/* Кликабельная карточка */
.company-card--link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.company-card--link .company-card-front {
    border-color: var(--orange);
    box-shadow: var(--shadow-orange);
}

.company-card--link .company-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(255, 107, 0, 0.2) 100%);
}

.company-badge {
    background: var(--orange);
    color: var(--black);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 8px 15px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.company-link-hint {
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--orange);
    font-weight: 600;
}

/* ===== О САЙТЕ ===== */
.section-about {
    background: var(--black-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--orange), transparent 30%);
    animation: rotate-border 4s linear infinite;
    z-index: 1;
}

@keyframes rotate-border {
    100% { transform: rotate(360deg); }
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 3px;
    background: var(--black-light);
    border-radius: 17px;
    z-index: 2;
}

.about-image img {
    position: relative;
    z-index: 3;
    width: 100%;
    height: auto;
    border-radius: 17px;
    display: block;
}

.about-content h2 {
    margin-bottom: 25px;
}

.about-text {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content h3 {
    font-size: 1.2rem;
    margin: 30px 0 20px;
    color: var(--orange);
}

.advantages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: var(--black-medium);
    border-radius: 10px;
    transition: var(--transition);
}

.advantage-item:hover {
    background: var(--black);
    transform: translateX(5px);
}

.advantage-icon {
    width: 24px;
    height: 24px;
    background: var(--orange);
    color: var(--black);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.advantage-text {
    font-size: 0.9rem;
    color: var(--gray-light);
}

/* ===== ЭТАПЫ ===== */
.section-steps {
    background: var(--black);
}

.steps-timeline {
    position: relative;
    padding-left: 60px;
}

.steps-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--orange), var(--black-medium));
}

.step-item {
    position: relative;
    padding: 30px 0;
    padding-left: 40px;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease-out;
}

.step-item.animate {
    opacity: 1;
    transform: translateX(0);
}

.step-number {
    position: absolute;
    left: -60px;
    top: 30px;
    width: 40px;
    height: 40px;
    background: var(--black);
    border: 2px solid var(--orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--orange);
    z-index: 2;
}

.step-content {
    background: var(--black-light);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--black-medium);
    transition: var(--transition);
}

.step-item:hover .step-content {
    border-color: var(--orange);
    box-shadow: var(--shadow-orange);
}

.step-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--white);
}

.step-desc {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== ДЕТАЛИ ===== */
.section-details {
    background: var(--black-light);
}

.details-wrapper {
    position: relative;
    background: var(--black-medium);
    border-radius: 24px;
    padding: 50px;
    border: 1px solid var(--gray-dark);
    overflow: hidden;
}

.details-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.1), transparent 70%);
    pointer-events: none;
}

.details-content p {
    font-size: 1rem;
    color: var(--gray-light);
    margin-bottom: 20px;
    line-height: 1.8;
}

.details-content p:last-child {
    margin-bottom: 0;
}

.details-content strong {
    color: var(--orange);
    font-weight: 600;
}

/* ===== ЦЕНЫ ===== */
.price-table-wrapper {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--black-medium);
}

.price-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--black-light);
}

.price-table th,
.price-table td {
    padding: 20px 25px;
    text-align: left;
}

.price-table thead {
    background: var(--black-medium);
}

.price-table th {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gray);
}

.price-table tbody tr {
    border-top: 1px solid var(--black-medium);
    transition: var(--transition);
}

.price-table tbody tr:hover {
    background: var(--black-medium);
}

.price-table td {
    font-size: 0.95rem;
    color: var(--gray-light);
}

.price-value {
    font-weight: 700;
    color: var(--orange);
    font-size: 1rem;
}

/* ===== ГАЛЕРЕЯ ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-caption {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 900px;
}

.faq-item {
    border-bottom: 1px solid var(--black-medium);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 25px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.faq-question-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--white);
    transition: var(--transition);
}

.faq-question:hover .faq-question-text {
    color: var(--orange);
}

.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--black-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.faq-icon svg {
    width: 18px;
    height: 18px;
    color: var(--orange);
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    background: var(--orange);
}

.faq-item.active .faq-icon svg {
    color: var(--black);
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding-bottom: 25px;
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

/* ===== ФУТЕР ===== */
.footer {
    background: var(--black);
    border-top: 1px solid var(--black-medium);
    padding: 50px 0 30px;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 1px;
    transition: var(--transition);
}

.footer-logo:hover {
    color: var(--orange);
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 8px;
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--black-medium);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

/* ===== СКРОЛЛ-БАР ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--black);
}

::-webkit-scrollbar-thumb {
    background: var(--orange);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--orange-light);
}

/* ===== АДАПТИВ ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 140px 20px 80px;
    }
    
    .section {
        padding: 70px 0;
    }
    
    .steps-timeline {
        padding-left: 40px;
    }
    
    .steps-timeline::before {
        left: 10px;
    }
    
    .step-number {
        left: -40px;
        width: 30px;
        height: 30px;
        font-size: 0.75rem;
    }
    
    .step-item {
        padding-left: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .details-wrapper {
        padding: 30px 20px;
    }
    
    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .toc-grid {
        grid-template-columns: 1fr;
    }
    
    .companies-grid {
        grid-template-columns: 1fr;
    }
    
    .company-card {
        height: 300px;
    }
}

/* ===== АНИМАЦИИ ПОЯВЛЕНИЯ ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Particle effect */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--orange);
    border-radius: 50%;
    opacity: 0.3;
    animation: float-particle 15s infinite linear;
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}