:root {
    --black: #0a0a0f;
    --gray-dark: #1a1a24;
    --gray: #2c2c3a;
    --white: #f0f0f0;
    --gold: #d4af37;
    --gold-glow: rgba(212, 175, 55, 0.4);
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', monospace;
}

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

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
}

canvas#starCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

section {
    margin: 8rem 0;
    scroll-margin-top: 2rem;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 700;
    line-height: 1.1;
}

h1 .gold {
    color: var(--gold);
    text-shadow: 0 0 8px var(--gold-glow);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 2rem;
    border-left: 4px solid var(--gold);
    padding-left: 1rem;
}

.hero {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.subtitle {
    font-size: 1.25rem;
    margin: 1.5rem 0 2rem;
    opacity: 0.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 0.8rem 2rem;
    font-weight: 600;
    border-radius: 40px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--gold);
    color: var(--black);
    box-shadow: 0 0 15px var(--gold-glow);
}

.cards, .project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.card, .project-card {
    background: rgba(26, 26, 36, 0.6);
    backdrop-filter: blur(8px);
    border-radius: 24px;
    padding: 2rem;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: transform 0.2s, border-color 0.2s;
}

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

.card i, .project-card i {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 1rem;
}

.quote {
    font-size: 1.8rem;
    font-style: italic;
    border-left: 3px solid var(--gold);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-weight: 300;
}

.tech {
    display: inline-block;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--gold);
    font-family: monospace;
}

.subscribe form {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.subscribe input {
    flex: 2;
    min-width: 200px;
    padding: 1rem;
    background: var(--gray-dark);
    border: 1px solid var(--gray);
    border-radius: 40px;
    color: white;
    font-size: 1rem;
}

.subscribe button {
    background: var(--gold);
    border: none;
    padding: 0 2rem;
    border-radius: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

.subscribe button:hover {
    background: #e2c044;
    transform: scale(0.98);
}

.message {
    margin-top: 1rem;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--gray);
    margin-top: 4rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.8rem;
    margin: 0 1rem;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--gold);
}

.lang-switch a {
    color: var(--white);
    text-decoration: none;
    margin: 0 0.25rem;
}

.lang-switch a.active {
    color: var(--gold);
    border-bottom: 1px solid var(--gold);
}

/* Радиальное меню */
.radial-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--gold);
    border: none;
    border-radius: 50%;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 200;
    box-shadow: 0 0 15px rgba(212,175,55,0.5);
    transition: 0.2s;
}

.radial-toggle:hover {
    transform: scale(1.05);
}

.radial-menu {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 199;
    background: rgba(10,10,15,0.9);
    backdrop-filter: blur(16px);
    padding: 1rem;
    border-radius: 40px;
    border: 1px solid var(--gold);
    transition: all 0.2s;
}

.radial-menu.hidden {
    display: none;
}

.radial-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.2rem;
    cursor: pointer;
    border-radius: 40px;
    transition: background 0.2s;
}

.radial-item:hover {
    background: rgba(212,175,55,0.2);
}

.radial-item i {
    width: 24px;
    color: var(--gold);
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    section {
        margin: 4rem 0;
    }
    .quote {
        font-size: 1.2rem;
    }
    .radial-menu {
        right: 1rem;
        bottom: 5rem;
    }
}

/* Размытие фона при открытом меню */
body.menu-open {
    overflow: hidden;
}

body.menu-open .container {
    filter: blur(4px);
    transition: filter 0.2s ease;
}

body.menu-open canvas#starCanvas {
    filter: blur(4px);
}

/* Радиальное меню (улучшенное) */
.radial-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--gold);
    border: none;
    border-radius: 50%;
    font-size: 1.8rem;
    cursor: pointer;
    z-index: 200;
    box-shadow: 0 0 15px rgba(212,175,55,0.6);
    transition: 0.2s;
}

.radial-menu {
    position: fixed;
    bottom: 7rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    z-index: 210;
    background: rgba(10, 10, 20, 0.95);
    backdrop-filter: blur(12px);
    padding: 1rem 0.5rem;
    border-radius: 60px;
    border: 1px solid var(--gold);
    transition: all 0.2s;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

.radial-menu.hidden {
    display: none;
}

.radial-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.2rem;
    cursor: pointer;
    border-radius: 40px;
    transition: background 0.2s;
}

.radial-item:hover {
    background: rgba(212, 175, 55, 0.25);
}

.radial-item i {
    width: 24px;
    color: var(--gold);
    font-size: 1.2rem;
}