/* 
 * IT-CAFFE DESIGN SYSTEM v2.1 (RESTORED & UPDATED)
 * High-End Tech / Russian Localization
 */

:root {
    --bg: #050505;
    --surface: #0f0f0f;
    --text-main: #ffffff;
    --text-muted: #888888;
    
    --accent: #ccff00; /* Acid Lime */
    --border: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.3);
    
    --font-main: 'Inter', sans-serif;
    --font-display: 'Unbounded', sans-serif;
    --font-mono: 'Space Mono', monospace;
    
    --container: 1600px;
    --gap: 2rem;
    
    --ease: cubic-bezier(0.25, 1, 0.5, 1);
}

/* RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    background: var(--bg);
    color: var(--text-main);
    scroll-behavior: smooth;
}

/* CUSTOM SCROLLBAR */
::-webkit-scrollbar {
    width: 10px;
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: #333;
    border: 2px solid var(--bg);
    border-radius: 10px;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--ease);
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

p {
    max-width: 700px;
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 var(--gap);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

/* LOGO STYLES (Image Version) */
.logo {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo-icon {
    display: flex;
    width: 50px;
    height: 50px;
    transition: transform 0.5s var(--ease);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(204, 255, 0, 0.2));
}

.logo:hover .logo-icon {
    transform: rotate(10deg) scale(1.1);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo .logo-icon {
    width: 50px;
    height: 50px;
}

.dot { color: var(--accent); }

/* NAVIGATION */
.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    position: relative;
    color: var(--text-muted);
}

.nav-link:hover { color: var(--text-main); }

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s var(--ease);
}

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

.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.menu-btn span {
    display: block;
    width: 30px;
    height: 2px;
    background: white;
}

/* HERO SECTION (New Cyber Grid Version) */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    /* Cyber Grid Background */
    background-color: var(--bg);
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    overflow: hidden;
}

/* Vignette effect for depth */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--bg) 80%);
    pointer-events: none;
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 8rem);
    line-height: 0.95;
    font-weight: 800; /* Extra Bold */
    margin-bottom: 3rem;
    color: #ffffff;
    position: relative;
    z-index: 1;
}

.hero-title .line {
    display: block;
    transform: translateY(0);
    opacity: 1;
}

.hero-title .accent {
    color: var(--accent);
    text-shadow: 0 0 30px rgba(204, 255, 0, 0.4); /* Stronger glow */
}

.hero-meta {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    border-top: 1px solid var(--border);
    padding-top: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
    position: relative;
    z-index: 1;
    background: rgba(5, 5, 5, 0.6);
    backdrop-filter: blur(5px);
}

.hero-text {
    max-width: 600px;
    color: #e0e0e0;
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.btn-arrow {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    border: 1px solid var(--border);
    border-radius: 100px;
    transition: all 0.3s var(--ease);
    text-transform: uppercase;
    background: rgba(0,0,0,0.5);
    color: white;
    text-decoration: none;
}

.btn-arrow:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(204, 255, 0, 0.05);
}

.btn-arrow .arrow {
    transition: transform 0.3s var(--ease);
}

.btn-arrow:hover .arrow {
    transform: translateX(5px);
}

.link-underline {
    font-family: var(--font-mono);
    text-decoration: underline;
    transition: color 0.3s;
}

.link-underline:hover {
    color: var(--accent) !important;
}

/* TICKER */
.ticker-wrap {
    width: 100%;
    overflow: hidden;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
    white-space: nowrap;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-muted);
}

.ticker {
    display: inline-block;
    animation: ticker 30s linear infinite;
}

.ticker-item {
    display: inline-block;
    padding: 0 3rem;
    position: relative;
}

.ticker-item::after {
    content: '+';
    position: absolute;
    right: 0;
    color: var(--accent);
}

@keyframes ticker {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* SECTIONS GENERAL */
.section {
    padding: 8rem 0;
    border-bottom: 1px solid var(--border);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 2rem;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4rem;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* REVEAL ANIMATIONS */
.reveal-text, .reveal-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease);
}

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

/* SERVICES LIST */
.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.service-item {
    background: var(--bg);
    padding: 4rem 2.5rem;
    transition: background 0.3s var(--ease);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-item:hover {
    background: var(--surface);
}

.service-item .num {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 2rem;
}

.service-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-top: auto;
}

/* CARDS */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2rem;
    margin-bottom: 2rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.lead {
    font-size: 1.5rem;
    line-height: 1.4;
    color: var(--text-main);
}

.col-desc {
    color: var(--text-muted);
}

/* CTA */
.cta {
    padding: 12rem 0;
    text-align: center;
    background: radial-gradient(circle at center, rgba(204, 255, 0, 0.05) 0%, transparent 70%);
}

.cta h2 {
    font-size: clamp(3rem, 7vw, 6rem);
    margin-bottom: 4rem;
}

.btn-glitch {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    text-transform: uppercase;
    padding: 1.5rem 4rem;
    background: transparent;
    color: var(--text-main);
    font-weight: 600;
    position: relative;
    border: 1px solid var(--border);
    transition: all 0.3s var(--ease);
    text-decoration: none;
}

.btn-glitch:hover {
    background: var(--accent);
    color: black;
    border-color: var(--accent);
    box-shadow: 0 0 30px rgba(204, 255, 0, 0.3);
}

/* FOOTER */
.footer {
    padding: 6rem 0 2rem;
    border-top: 1px solid var(--border);
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 6rem;
}

.footer-desc {
    color: var(--text-muted);
    max-width: 250px;
    font-size: 0.9rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-col h4 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.footer-col ul li {
    margin-bottom: 1rem;
}

.footer-col a {
    font-size: 1rem;
}

.footer-col a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

/* PAGE HEADERS */
.page-header {
    padding: 160px 0 80px;
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: clamp(2.5rem, 5vw, 5rem);
}

/* FORMS */
.form-group { margin-bottom: 2rem; }

.form-group label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    color: white;
    font-family: var(--font-main);
    font-size: 1.25rem;
    transition: all 0.3s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    padding-left: 1rem;
    background: rgba(255,255,255,0.02);
}

.btn-primary {
    background: white;
    color: black;
    border: none;
    padding: 1.2rem 3rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    cursor: pointer;
    font-weight: 700;
    margin-top: 1rem;
    font-size: 0.9rem;
    transition: all 0.3s var(--ease);
}

.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-2px);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-title { font-size: 4.5rem; }
    .grid-2 { grid-template-columns: 1fr; gap: 3rem; }
    .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .menu-btn { display: flex; }
    .hero-title { font-size: 3rem; }
    .section { padding: 4rem 0; }
    .footer-links { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; }
    .service-items { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: flex-start; }
}

/* ALERTS */
.alert {
    padding: 1rem;
    margin-bottom: 2rem;
    border: 1px solid transparent;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}

.alert-error {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

/* Dark Mode Alerts Overrides */
body .alert-success {
    background: rgba(204, 255, 0, 0.1);
    color: var(--accent);
    border-color: var(--accent);
}

body .alert-error {
    background: rgba(255, 0, 85, 0.1);
    color: #ff0055;
    border-color: #ff0055;
}

/* CERTIFICATE CARDS */
.cert-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.5rem;
    transition: all 0.3s var(--ease);
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.cert-link {
    display: block;
    text-decoration: none;
    cursor: pointer;
    margin-bottom: 1rem;
}

.cert-image-wrapper {
    width: 100%;
    height: 400px;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    transition: all 0.3s var(--ease);
}

.cert-card:hover .cert-image-wrapper {
    border-color: var(--accent);
    background: rgba(204, 255, 0, 0.02);
}

.cert-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s var(--ease);
}

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

.cert-info {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}