:root {
    --bg-dark: #0f0f0f;
    --bg-card: #1a1a1a;
    --accent: #00ff9d;
    --accent-secondary: #7c3aed;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --border-light: #2a2a2a;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Фоновые элементы */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 157, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 157, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
}

.bg-glow {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 255, 157, 0.1) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: -1;
    filter: blur(60px);
}

/* Контейнер */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Карточки */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, border-color 0.3s;
}

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

/* Шапка */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s;
}

header.scrolled {
    background: rgba(15, 15, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--accent);
    padding: 12px 0;
}

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

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

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

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
}

/* Герой */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
    display: block;
}

.hero h1 {
    font-size: 5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(0, 255, 157, 0.5);
}

.location {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.accent-line {
    width: 100px;
    height: 4px;
    background: var(--accent);
    margin: 20px auto 30px;
    border-radius: 2px;
}

.hero-slogan {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 20px auto;
    color: var(--text-secondary);
}

.rotating-text {
    font-size: 1.8rem;
    margin: 30px 0;
    font-weight: 600;
}

.rotating-text .rotated {
    color: var(--accent);
    border-right: 3px solid var(--accent);
    padding-right: 5px;
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 100% { border-color: transparent; }
    50% { border-color: var(--accent); }
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 20px auto 40px;
}

/* Кнопки */
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 255, 157, 0.4);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Обо мне */
.about {
    padding: 100px 0;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text-primary);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 50px;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    padding: 40px;
}

.about-text p {
    margin-bottom: 20px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.skill-item {
    padding: 25px 20px;
    text-align: center;
    transition: all 0.4s;
}

.skill-item:hover {
    border-color: var(--accent);
}

.skill-item i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--accent);
}

.skill-item h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.skill-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Портфолио (симметричная сетка) */
.portfolio {
    padding: 100px 0;
    background: rgba(0,0,0,0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.portfolio-item {
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.portfolio-img {
    height: 250px;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
    background: #2a2a2a;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 255, 157, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s;
}

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

.portfolio-link {
    padding: 12px 30px;
    background: var(--bg-dark);
    color: var(--accent);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transform: translateY(20px);
    transition: all 0.4s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.portfolio-item:hover .portfolio-link {
    transform: translateY(0);
}

.portfolio-info {
    flex-grow: 1;
}

.portfolio-info h3 {
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.portfolio-info p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.project-result {
    margin: 20px 0;
    padding: 20px;
    background: rgba(0, 255, 157, 0.05);
    border-radius: 16px;
    border-left: 4px solid var(--accent);
}

.project-result h4 {
    color: var(--accent);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.tech-tag {
    padding: 4px 12px;
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    font-size: 0.8rem;
    border: 1px solid var(--border-light);
    color: var(--text-secondary);
    transition: all 0.3s;
}

.tech-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Процесс */
.process {
    padding: 100px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.process-step {
    padding: 30px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--accent);
    color: var(--bg-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    margin: 0 auto 20px;
    box-shadow: 0 5px 20px rgba(0, 255, 157, 0.4);
}

.process-step h3 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.process-step p {
    color: var(--text-secondary);
}

/* Услуги и цены */
.services {
    padding: 100px 0;
    background: rgba(0,0,0,0.3);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.pricing-card {
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-popular {
    border: 2px solid var(--accent);
    transform: scale(1.05);
    z-index: 2;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-dark);
    padding: 6px 25px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 15px 0 5px;
}

.price-note {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.pricing-features {
    flex-grow: 1;
    list-style: none;
    margin: 30px 0;
}

.pricing-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.pricing-features .fa-check-circle {
    color: var(--accent);
}

.timeline {
    color: var(--accent);
    margin: 20px 0;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.first-order {
    background: rgba(0, 255, 157, 0.1);
    color: var(--accent);
    padding: 5px 20px;
    border-radius: 30px;
    display: inline-block;
    margin: 15px auto;
    font-weight: 600;
    border: 1px solid var(--accent);
}

.pricing-info {
    margin-top: 60px;
    padding: 40px;
    text-align: center;
}

.pricing-info h4 {
    color: var(--accent);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* Отзывы */
.testimonials {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.testimonial-item {
    padding: 30px;
    cursor: pointer;
}

.testimonial-item:hover {
    border-color: var(--accent);
}

.testimonial-content {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 25px;
    position: relative;
    padding-left: 20px;
}

.testimonial-content::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -15px;
    font-size: 4rem;
    color: rgba(0, 255, 157, 0.2);
    font-family: serif;
}

.testimonial-author h4 {
    color: var(--accent);
    margin-bottom: 5px;
}

.testimonial-author p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Предоплата и гарантия */
.payment-guarantee {
    padding: 100px 0;
    background: rgba(0,0,0,0.3);
}

.conditions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.condition-card {
    padding: 40px;
}

.condition-icon {
    font-size: 3rem;
    color: var(--accent);
    text-align: center;
    margin-bottom: 20px;
}

.condition-card h3 {
    color: var(--accent);
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.8rem;
}

.condition-list {
    list-style: none;
    margin: 20px 0;
}

.condition-list li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: var(--text-secondary);
}

.condition-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.condition-note {
    background: rgba(0, 255, 157, 0.05);
    padding: 15px;
    border-radius: 10px;
    border-left: 3px solid var(--accent);
    color: var(--text-secondary);
    margin-top: 20px;
}

.guarantee-notice {
    background: rgba(255, 71, 87, 0.05);
    padding: 20px;
    border-radius: 10px;
    margin-top: 25px;
    border: 1px solid rgba(255, 71, 87, 0.2);
}

.guarantee-notice h4 {
    color: #ff4757;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Контакты */
.contact {
    padding: 100px 0;
    text-align: center;
}

.contact-cta {
    max-width: 800px;
    margin: 50px auto 0;
    padding: 50px;
}

.contact-cta h3 {
    color: var(--accent);
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.contact-cta p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Футер */
footer {
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-light);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    font-size: 2rem;
    margin-bottom: 15px;
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 15px;
}

.footer-nav h4,
.footer-contact h4 {
    color: var(--accent);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s;
}

.footer-nav-links a:hover {
    color: var(--accent);
    transform: translateX(8px);
}

.footer-contact p {
    color: var(--text-secondary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-social {
    display: flex;
    gap: 20px;
    margin-top: 25px;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s;
    text-decoration: none;
}

.social-icon:hover {
    background: var(--accent);
    color: var(--bg-dark);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.footer-bottom p:first-child {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 15px;
}

.fa-heart {
    color: #ff4757;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Адаптивность */
@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-popular {
        transform: scale(1);
    }
    .conditions-grid {
        grid-template-columns: 1fr;
    }
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        padding: 30px;
        flex-direction: column;
        align-items: center;
        gap: 20px;
        border-bottom: 1px solid var(--accent);
    }
    .nav-links.show {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .hero h1 {
        font-size: 3.5rem;
    }
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    .process-steps {
        grid-template-columns: 1fr;
    }
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-nav-links {
        align-items: center;
    }
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .btn {
        width: 100%;
        justify-content: center;
    }
    .section-title {
        font-size: 2.2rem;
    }
}

/* Анимации появления */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s, transform 0.8s;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}