@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;600;700&display=swap');

:root {
    --terminal-green: #00ff9d;
    --terminal-green-dim: #00cc7a;
    --terminal-dark: #0a0c0a;
    --terminal-bg: #030603;
    --terminal-border: #1a3a1a;
    --terminal-glow: 0 0 5px rgba(0, 255, 157, 0.5);
}

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

body {
    font-family: 'Fira Code', 'Courier New', monospace;
    background: var(--terminal-bg);
    color: var(--terminal-green);
    line-height: 1.6;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* Анимированный фон с "мерцанием" */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 255, 157, 0.03) 0px,
        rgba(0, 255, 157, 0.03) 2px,
        transparent 2px,
        transparent 6px
    );
    pointer-events: none;
    z-index: 0;
}

/* Навигация — терминальная строка */
.glass-nav {
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--terminal-green);
    box-shadow: 0 0 10px rgba(0, 255, 157, 0.2);
    font-family: 'Fira Code', monospace;
}
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--terminal-green);
    letter-spacing: 2px;
    position: relative;
}
.navbar-brand::before {
    content: '>';
    margin-right: 8px;
    color: var(--terminal-green);
}
.nav-link {
    color: #aaffcc;
    margin: 0 0.8rem;
    font-weight: 500;
    transition: 0.2s;
    position: relative;
}
.nav-link:hover {
    color: var(--terminal-green);
    text-shadow: var(--terminal-glow);
}
.nav-link::before {
    content: '$ ';
    opacity: 0.7;
}
.nav-link.active {
    color: var(--terminal-green);
}

/* Hero — приветствие в стиле терминала */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 70px;
    position: relative;
}
.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    font-family: 'Fira Code', monospace;
    letter-spacing: 2px;
    color: var(--terminal-green);
    text-shadow: var(--terminal-glow);
    border-right: 3px solid var(--terminal-green);
    white-space: nowrap;
    overflow: hidden;
    display: inline-block;
    animation: blink-caret 0.75s step-end infinite;
}
@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--terminal-green); }
}
.hero .lead {
    font-size: 1.2rem;
    margin: 1.5rem 0;
    color: #88ffbb;
}
.btn-neon {
    background: transparent;
    border: 1px solid var(--terminal-green);
    color: var(--terminal-green);
    font-weight: 500;
    border-radius: 0;
    padding: 0.75rem 2rem;
    font-family: 'Fira Code', monospace;
    transition: 0.2s;
    box-shadow: none;
}
.btn-neon:hover {
    background: var(--terminal-green);
    color: #000;
    box-shadow: var(--terminal-glow);
    transform: translateY(-2px);
}

/* Общие секции */
.section-padding {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}
.cyber-title {
    font-size: 1.8rem;
    letter-spacing: 2px;
    border-left: 3px solid var(--terminal-green);
    padding-left: 15px;
    margin-bottom: 2rem;
    font-family: 'Fira Code', monospace;
    font-weight: 500;
}
.cyber-title::before {
    content: '# ';
    color: var(--terminal-green);
}

/* Карточки в стиле терминальных окон */
.glass-card {
    background: rgba(10, 20, 10, 0.7);
    backdrop-filter: blur(4px);
    border: 1px solid var(--terminal-border);
    border-radius: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: 0.2s;
}
.glass-card:hover {
    border-color: var(--terminal-green);
    box-shadow: 0 0 12px rgba(0, 255, 157, 0.3);
    transform: translateY(-2px);
}

/* Обо мне */
.hologram-card {
    border: 1px solid var(--terminal-green);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(0, 255, 157, 0.2);
}
.hologram-img {
    width: 100%;
    filter: grayscale(80%) contrast(120%) brightness(80%);
    transition: 0.3s;
}
.hologram-overlay {
    display: none;
}
.tech-icons i {
    font-size: 2rem;
    color: var(--terminal-green);
    filter: drop-shadow(0 0 5px var(--terminal-green));
    transition: 0.2s;
}
.tech-icons i:hover {
    transform: translateY(-3px) rotate(5deg);
}

/* Увлечения */
.hobby-card {
    text-align: center;
    padding: 1.8rem 1.2rem;
    height: 100%;
}
.hobby-icon i {
    font-size: 2.8rem;
    color: var(--terminal-green);
    text-shadow: 0 0 5px var(--terminal-green);
    margin-bottom: 1rem;
}
.hobby-card h4 {
    font-weight: 600;
    margin: 0.8rem 0;
    letter-spacing: 1px;
}
.hobby-card p {
    color: #aaffcc;
    font-size: 0.9rem;
}

/* Галерея */
.gallery-card {
    overflow: hidden;
    transition: 0.2s;
    height: 100%;
}
.gallery-img-wrapper {
    overflow: hidden;
}
.gallery-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    filter: grayscale(70%) contrast(110%);
    transition: transform 0.4s;
}
.gallery-card:hover .gallery-img {
    transform: scale(1.02);
    filter: grayscale(30%) contrast(120%);
}
.gallery-card .card-body {
    padding: 1rem;
    background: rgba(0,0,0,0.6);
}
.card-title {
    font-weight: 500;
    margin-bottom: 0;
    color: var(--terminal-green);
    font-size: 1rem;
}

/* Контакты */
.contact-card {
    padding: 2rem;
    height: 100%;
}
.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: #ccffdd;
}
.contact-item i {
    font-size: 1.3rem;
    color: var(--terminal-green);
    width: 2rem;
}
.neon-hr {
    border-color: var(--terminal-border);
    margin: 1.5rem 0;
}
.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 0;
    background: rgba(0, 255, 157, 0.1);
    border: 1px solid var(--terminal-green);
    color: var(--terminal-green);
    transition: 0.2s;
}
.social-icon:hover {
    background: var(--terminal-green);
    color: #000;
    transform: translateY(-2px);
    box-shadow: var(--terminal-glow);
}

/* Футер */
.footer {
    background: rgba(0, 0, 0, 0.8);
    border-top: 1px solid var(--terminal-green);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: #66aa88;
}

/* Адаптивность */
@media (max-width: 992px) {
    .section-padding { padding: 60px 0; }
    .hero h1 { font-size: 2rem; white-space: normal; border-right: none; }
}
@media (max-width: 768px) {
    .hero h1 { font-size: 1.5rem; }
    .cyber-title { font-size: 1.4rem; }
    .hero { margin-top: 60px; }
}