:root {
    /* Enhanced Color Palette */
    --primary: #4361EE;
    --primary-light: #4895EF;
    --primary-dark: #3A0CA3;
    --secondary: #4CC9F0;
    --accent: #F72585;
    --accent-light: #FF70A6;
    --dark: #14213D;
    --darker: #0B132B;
    --medium: #2B2D42;
    --light: #F8F9FA;
    --lighter: #FFFFFF;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-accent: linear-gradient(135deg, var(--accent), var(--accent-light));

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Playfair Display', serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Elements */
.bg-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.1;
    animation: float 15s ease-in-out infinite alternate;
}

.circle-1 {
    width: 300px;
    height: 300px;
    background: var(--primary);
    top: -100px;
    left: -100px;
}

.circle-2 {
    width: 500px;
    height: 500px;
    background: var(--accent);
    bottom: -200px;
    right: -100px;
    animation-delay: 2s;
    opacity: 0.09;
    /* добавь эту строку */
    z-index: -1;
    /* убедись, что он точно сзади */

}


.shape {
    position: absolute;
    opacity: 0.08;
    animation: spin 25s linear infinite;
}

.shape-1 {
    width: 150px;
    height: 150px;
    background: var(--secondary);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    top: 20%;
    right: 10%;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--primary-light);
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    bottom: 15%;
    left: 10%;
    animation-direction: reverse;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(50px, 100px);
    }

    100% {
        transform: translate(-50px, -100px);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Typography */
h1,
h2,
h3,
h4 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--darker);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: var(--space-sm);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-xs);
}

p {
    margin-bottom: var(--space-sm);
    color: var(--medium);
    font-size: 1.1rem;
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: var(--space-sm) 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: var(--space-xs) 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.logo:hover {
    background-color: var(--primary);
    color: var(--lighter);
    transform: rotate(5deg);
}

.logo-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary);
    border-radius: var(--radius-full);
    animation: pulse 3s infinite;
    opacity: 0;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 0.5;
    }

    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--space-lg);
    align-items: center;
}

.nav-links a {
    color: var(--dark);
    font-weight: 500;
    position: relative;
    padding: var(--space-xs) 0;
}

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

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

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--space-3xl) + var(--space-xl));
    padding-bottom: var(--space-2xl);
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: var(--gradient);
    color: var(--lighter);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    animation: float 3s ease-in-out infinite;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.hero-title .accent {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.hero-title .accent::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 12px;
    background-color: rgba(67, 97, 238, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--medium);
    max-width: 600px;
    margin-bottom: var(--space-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
}

.stat-item {
    position: relative;
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: calc(-1 * var(--space-md));
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--medium);
    font-weight: 500;
}

.hero-image {
    display: flex;
    justify-content: center;
    /* Центрирование по горизонтали */
    align-items: center;
    /* Центрирование по вертикали (если нужно) */
    margin-top: 2rem;
}

.image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;

}

.image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient);
    opacity: 0.1;
    z-index: 1;
    border-radius: var(--radius-lg);
}

.image-wrapper::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.5;
    animation: borderPulse 4s infinite ease-in-out;
}

.image-wrapper:hover .profile-photo {
    transform: scale(1.03) rotate(-1deg);
    filter: grayscale(0%) contrast(120%);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
}

.image-wrapper:hover::after {
    animation: none;
    transform: scale(1.02);
    opacity: 0.8;
}

/* Animations */
@keyframes borderPulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }

    50% {
        transform: scale(1.02);
        opacity: 0.8;
    }

    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}

/* Floating Effect */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-15px);
    }

    100% {
        transform: translateY(0px);
    }
}

.image-wrapper {
    animation: float 6s ease-in-out infinite;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .image-wrapper {
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }

    .profile-photo {
        border-width: 6px;
    }
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-xl);
    transform-style: preserve-3d;
    transition: all 0.5s ease;
    border: 8px solid var(--lighter);
    filter: grayscale(20%) contrast(110%);
}

.glow-effect {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, var(--primary-light) 0%, transparent 70%);
    z-index: 1;
    opacity: 0.3;
    animation: pulse 8s infinite alternate;

}

.tech-orbits {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: 3;
    /* Ниже изображения */
    pointer-events: none;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 1px dashed rgba(67, 97, 238, 0.3);
    animation: spin linear infinite;
    pointer-events: none;
}

.orbit-1 {
    width: 300px;
    height: 300px;
    animation-duration: 20s;
}

.orbit-2 {
    width: 360px;
    height: 360px;
    animation-duration: 30s;
}

.tech-icon {
    position: absolute;
    width: 40px;
    height: 40px;
    background: var(--lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    color: var(--primary);
    font-size: 1.2rem;
    transition: var(--transition);
}

.tech-icon:hover {
    transform: scale(1.1);
    color: var(--accent);
}

.orbit .tech-icon {
    top: -20px;
    /* смещаем вверх от центра орбиты */
    left: 50%;
    transform: translate(-50%, 0);
}

.orbit-2 .tech-icon:first-child {
    top: -20px;
    /* смещаем вверх от центра орбиты */
    left: 50%;
    transform: translate(-50%, 0);
}

.orbit-2 .tech-icon:last-child {
    top: -20px;
    /* смещаем вверх от центра орбиты */
    left: 50%;
    transform: translate(-50%, 0);
}

/* Section Styles */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
}

.section-subtitle {
    display: block;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient);
    margin: var(--space-md) auto;
    border-radius: var(--radius-full);
}

/* Experience Timeline */
.experience-timeline {
    position: relative;
    padding-left: var(--space-lg);
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-xl);
}

.timeline-marker {
    position: absolute;
    left: -24px;
    top: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-dot {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background-color: var(--lighter);
    border: 3px solid var(--primary);
    box-shadow: 0 0 0 2px var(--primary);
    z-index: 2;
}

.marker-line {
    flex-grow: 1;
    width: 2px;
    background: var(--gradient);
    margin-top: var(--space-sm);
    opacity: 0.5;
}

.timeline-content {
    padding-left: var(--space-lg);
}

.experience-card {
    background: var(--lighter);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 4px solid var(--primary);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.experience-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.experience-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-lg);
}

.exp-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.exp-title {
    font-size: 1.5rem;
    margin-right: auto;
}

.exp-date {
    font-size: 0.9rem;
    color: var(--medium);
    font-weight: 500;
}

.exp-tag {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.exp-description {
    color: var(--medium);
    margin-bottom: var(--space-md);
    font-size: 1.1rem;
}

.exp-skills {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.skill-tag {
    background: var(--light);
    color: var(--dark);
    padding: 0.25rem var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.exp-toggle {
    background: none;
    border: none;
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) 0;
    transition: var(--transition);
    margin-top: var(--space-sm);
}

.exp-toggle:hover {
    color: var(--primary-dark);
    gap: var(--space-sm);
}

.exp-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
}

.exp-details.active {
    max-height: 1000px;
    padding-top: var(--space-md);
    margin-top: var(--space-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.detail-item h4 {
    color: var(--primary);
    margin-bottom: var(--space-sm);
    font-size: 1.1rem;
}

.detail-item ul {
    list-style: none;
}

.detail-item li {
    position: relative;
    margin-bottom: var(--space-xs);
    padding-left: var(--space-md);
}

.detail-item li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 8px;
    height: 8px;
    background: var(--gradient);
    border-radius: 50%;
}

.detail-item.full-width {
    grid-column: 1 / -1;
}

.case-study-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
    padding: var(--space-xs) 0;
}

.case-study-link:hover {
    gap: var(--space-md);
    color: var(--accent);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.project-card {
    background: var(--lighter);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.project-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.project-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay h3 {
    color: var(--lighter);
    margin-bottom: var(--space-sm);
}

.project-link {
    color: var(--lighter);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.project-content {
    padding: var(--space-md);
}

.project-content h3 {
    margin-bottom: var(--space-xs);
}

.project-content p {
    margin-bottom: var(--space-sm);
}

.project-tags {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

.project-tags span {
    background: var(--light);
    color: var(--medium);
    padding: 0.25rem var(--space-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
}

/* Achievements Section */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.achievement-card {
    background: var(--lighter);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;

}

.achievement-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient);
}

.achievement-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-lg);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    color: var(--lighter);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 1.8rem;
    box-shadow: var(--shadow-md);
}

.achievement-card h3 {
    margin-bottom: var(--space-xs);
}

.achievement-card p {
    margin-bottom: var(--space-xs);
    font-size: 1rem;
}

.achievement-source {
    font-size: 0.9rem;
    color: var(--medium);
    font-weight: 500;
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.skill-category {
    background: var(--lighter);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.skill-category.visible {
    opacity: 1;
    transform: translateY(0);
}

.skill-category:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-lg);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.skill-icon {
    width: 50px;
    height: 50px;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.skill-list {
    list-style: none;
}

.skill-list li {
    margin-bottom: var(--space-md);
}

.skill-name {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.skill-bar {
    height: 6px;
    background: var(--light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: var(--gradient);
    border-radius: var(--radius-full);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.contact-info {
    display: grid;
    gap: var(--space-md);
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--lighter);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.contact-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-card:hover {
    transform: translateY(-5px) !important;
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
}

.contact-details a,
.contact-details span {
    color: var(--medium);
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--primary);
}

.contact-form {
    background: var(--lighter);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.contact-form.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-form h3 {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid #ccc;
    /* тонкая сероватая граница */
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background-color: #fff;
    color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gradient);
    color: var(--lighter);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: var(--space-sm);
    box-shadow: var(--shadow-sm);
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.social-links {
    margin-top: var(--space-2xl);
    text-align: center;
}

.social-links h3 {
    margin-bottom: var(--space-md);
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.social-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--lighter);
    color: var(--dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--light);
}

.social-icon:hover {
    background: var(--primary);
    color: var(--lighter);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--darker);
    color: var(--lighter);
    padding: var(--space-xl) 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.footer-logo {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--lighter);
    width: 70px;
    height: 70px;
    border: 2px solid var(--lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition);
}

.footer-logo:hover {
    background-color: var(--lighter);
    color: var(--primary);
    transform: rotate(15deg);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
}

.footer-links a {
    color: var(--lighter);
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Buttons */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: var(--gradient);
    color: var(--lighter);
    box-shadow: var(--shadow-md);
}

.cta-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.cta-button.secondary:hover {
    background: var(--primary);
    color: var(--lighter);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-image {
        margin-top: var(--space-xl);
        order: -1;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .navbar .container {
        position: relative;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--lighter);
        flex-direction: column;
        gap: 0;
        padding: var(--space-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: var(--transition);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .nav-links a {
        padding: var(--space-md);
        width: 100%;
        text-align: center;
    }

    .mobile-menu-button {
        display: block;
    }

    .image-wrapper {
        width: 300px;
        height: 300px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .experience-timeline {
        padding-left: var(--space-sm);
    }

    .timeline-marker {
        left: -18px;
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: var(--gradient);
    color: var(--lighter);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* Active Navigation Item */
.nav-links a.active {
    color: var(--primary);
    font-weight: 600;
}

.nav-links a.active::after {
    width: 100% !important;
}

/* Form Success State */
.form-submit.success {
    background: #4BB543 !important;
}

.experience-card.visible,
.project-card.visible,
.achievement-card.visible,
.skill-category.visible,
.contact-card.visible,
.contact-form.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: all 0.6s ease;
}

/* Photo Decorations */
.photo-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.decoration-circle.circle-1 {
    width: 120px;
    height: 120px;
    top: -30px;
    right: -30px;
    animation: rotate 20s linear infinite;
}

.decoration-circle.circle-2 {
    width: 80px;
    height: 80px;
    bottom: -20px;
    left: -20px;
    animation: rotate 15s linear infinite reverse;
}

.decoration-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4361EE;
    opacity: 0.7;
}

.decoration-dot.dot-1 {
    top: 20%;
    left: 10%;
    animation: pulse 2s infinite ease-in-out;
}

.decoration-dot.dot-2 {
    bottom: 15%;
    right: 10%;
    animation: pulse 2s infinite ease-in-out 1s;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    width: 100%;
}

.resume-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    padding: 0.4rem 1rem;
    border: 1px solid var(--primary);
    border-radius: var(--radius-full);
    color: var(--primary);
    background: transparent;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.resume-button:hover {
    background: var(--primary);
    color: var(--lighter);
}

/* Мобильная кнопка */
.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    color: var(--dark);
    cursor: pointer;
    font-size: 1.5rem;
    z-index: 1100;
    position: relative;
}

/* Ссылки меню (по умолчанию скрыты) */
.nav-links {
    position: absolute;
    top: 60px;
    right: 1rem;
    width: 220px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    gap: 0.5rem;
    transform: scale(0.95);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 1000;
}

/* Активное состояние */
.nav-links.active {
    transform: scale(1);
    opacity: 1;
    pointer-events: all;
}

/* Стили для ссылок */
.nav-links a {
    font-size: 1rem;
    padding: 0.5rem 0;
    width: 100%;
    text-align: left;
    color: var(--dark);
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

/* Наведение */
.nav-links a:hover {
    background: rgba(67, 97, 238, 0.1);
}

/* Активная ссылка */
.nav-links a.active {
    background: rgba(67, 97, 238, 0.15);
    font-weight: 600;
    color: var(--primary);
}

/* Показываем кнопку на мобильных */
@media (max-width: 768px) {
    .mobile-menu-button {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-links {
        display: flex;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

@media (min-width: 992px) {
    .hero {
        display: flex;
        justify-content: center;
        align-items: center;
        text-align: center;
    }

    .hero .container {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }

    .hero-content {
        max-width: 800px;
        width: 100%;
        margin: 0 auto;
        text-align: center;
        align-items: center;
        display: flex;
        flex-direction: column;
    }

    .hero-buttons {
        justify-content: center;
    }
}

.achievements-grid {
    display: grid;

    gap: var(--space-lg);
}

@media (min-width: 1200px) {
    .achievements-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}