:root {
    --hero-bg: #000000;
    --content-bg: #080808;
    --card-bg: #0f0f0f;
    --text-main: #ffffff;
    --text-dim: #888;
    --accent-gradient: linear-gradient(90deg, #ff4d94, #a155ff);
    --accent-color: #ff4d94;
    --border: rgba(255,255,255,0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent !important; outline: none; }
::-webkit-scrollbar { display: none; }
html, body { scrollbar-width: none; background-color: var(--hero-bg); min-height: 100%; font-family: 'Manrope', sans-serif; color: var(--text-main); overflow-x: hidden; }
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }

.liquid-top-blur { position: fixed; top: 0; left: 0; width: 100%; height: 120px; z-index: 95; pointer-events: none; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); mask-image: linear-gradient(to bottom, black 0%, rgba(0,0,0,0.8) 50%, transparent 100%); }

/* HEADER */
.glass-header { position: fixed; top: 0; left: 0; width: 100%; padding: 25px 50px; display: flex; justify-content: space-between; align-items: center; z-index: 100; transition: 0.4s ease; }
.glass-header.scrolled { background: rgba(0,0,0,0.8); backdrop-filter: blur(15px); padding: 15px 50px; border-bottom: 1px solid var(--border); }
.logo-text { font-size: 1.5rem; font-weight: 800; letter-spacing: 2px; position: relative; z-index: 101; }
.logo-text span { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
nav a { color: #888; margin-left: 30px; font-size: 0.9rem; transition: 0.3s; }
nav a:hover { color: #fff; }
.btn-contact { padding: 10px 25px; border-radius: 50px; border: 1px solid rgba(255,255,255,0.2); color: #fff; font-size: 0.85rem; transition: 0.3s; }
.btn-contact:hover { background: #fff; color: #000; }

.burger { width: 30px; height: 16px; display: none; flex-direction: column; justify-content: space-between; cursor: pointer; position: relative; z-index: 101; }
.burger span { width: 100%; height: 2px; background: #fff; transition: 0.3s; border-radius: 2px; }
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { transform: translateY(-7px) rotate(-45deg); }

/* HERO */
.hero { height: 100vh; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; }
.spline-wrapper { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
spline-viewer { width: 100%; height: 100%; }
.hero-overlay { position: relative; z-index: 5; padding: 0 20px; margin-top: -15vh; }
.hero-title { font-family: 'Readex Pro', sans-serif; font-weight: 200; font-size: 5rem; letter-spacing: -1px; margin-bottom: 15px; color: #fff; }
.hero-title span { background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-description { font-size: 1.2rem; color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto; line-height: 1.4; font-weight: 200; font-style: italic; }
.scroll-hint { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); opacity: 0.3; font-size: 0.7rem; letter-spacing: 2px; }

/* CONTENT */
.dark-content { background: var(--content-bg); position: relative; z-index: 10; border-top: 1px solid var(--border); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.section-padding { padding: 120px 0; }
h2 { font-size: 3.5rem; font-weight: 500; line-height: 1.1; margin-bottom: 40px; }
.section-title { font-size: 3rem; }
.section-title-center { text-align: center; margin-bottom: 60px; }
.sub-title { color: var(--accent-color); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 3px; display: block; margin-bottom: 20px; }
p { color: var(--text-dim); font-size: 1.15rem; line-height: 1.7; font-weight: 300; }
.grid-2 { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 80px; }

/* STATS */
.stats-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }
.stat-item .number { font-size: 4rem; font-weight: 700; display: block; background: var(--accent-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-item .label { color: #555; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }

/* SERVICES */
.services-list { margin-top: 60px; border-top: 1px solid var(--border); }
.service-row { display: grid; grid-template-columns: 0.5fr 3fr; padding: 50px 0; border-bottom: 1px solid var(--border); transition: 0.3s; gap: 30px; }
.srv-num { color: var(--accent-color); font-weight: 600; font-size: 1.2rem; }
.srv-info h3 { font-size: 2rem; margin-bottom: 15px; color: #fff; }
.srv-tags span { border: 1px solid #222; padding: 4px 14px; border-radius: 50px; font-size: 0.75rem; color: #555; margin-right: 10px; }

/* СЛАЙДЕР КЕЙСОВ */
.portfolio-slider-container { position: relative; margin-top: 40px; height: 550px; }
.case-stack { position: relative; width: 100%; height: 100%; }

.case-card {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    display: flex; background: var(--card-bg); border-radius: 40px; border: 1px solid var(--border);
    overflow: hidden; opacity: 0; pointer-events: none;
    transform: translateX(100px) scale(0.95); 
    transition: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 1;
}

.case-card.active { opacity: 1; pointer-events: all; transform: translateX(0) scale(1); z-index: 2; }
.case-card.prev-out { opacity: 0; transform: translateX(-150%) scale(0.8) rotate(-5deg); pointer-events: none; }

.case-visual { width: 55%; height: 100%; background: #000; overflow: hidden; border-right: 1px solid var(--border); }
.case-visual img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s ease; }
.case-card:hover .case-visual img { transform: scale(1.1); }

.case-content { width: 45%; padding: 60px; display: flex; flex-direction: column; justify-content: center; }
.case-category { color: var(--accent-color); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; font-weight: 700; margin-bottom: 15px; }
.case-name { font-size: 2.5rem; margin-bottom: 20px; line-height: 1.1; color: #fff; }
.case-description { font-size: 1rem; color: #888; margin-bottom: 30px; line-height: 1.6; }
.case-tech { display: flex; gap: 10px; margin-bottom: 40px; flex-wrap: wrap; }
.case-tech span { background: rgba(255,255,255,0.04); border: 1px solid var(--border); padding: 5px 15px; border-radius: 50px; font-size: 0.8rem; color: #555; }

.case-link { 
    display: inline-block; color: #fff; font-weight: 600; 
    position: relative; padding-bottom: 5px; align-self: flex-start;
    transition: 0.3s;
}
.case-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent-gradient); transition: 0.4s cubic-bezier(0.25, 1, 0.5, 1); }
.case-link:hover { color: var(--accent-color); padding-left: 5px; }
.case-link:hover::after { width: 100%; }

.slider-controls { display: flex; justify-content: space-between; align-items: center; margin-top: 30px; }
.slider-counter { font-size: 1.2rem; font-weight: 500; color: #444; }
.slider-counter span#curr-idx { color: #fff; }
.slider-btns { display: flex; gap: 15px; }
.s-btn { background: none; border: 1px solid var(--border); color: #fff; width: 55px; height: 55px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; transition: 0.4s; display: flex; align-items: center; justify-content: center; }
.s-btn:hover { background: #fff; color: #000; border-color: #fff; transform: scale(1.1); }

/* REVIEWS */
.marquee-wrapper { overflow: hidden; user-select: none; display: flex; gap: 20px; padding: 10px 0; width: 100vw; margin-left: calc(-50vw + 50%); }
.marquee-track { display: flex; gap: 20px; width: max-content; will-change: transform; }
.track-left { animation: scrollLeft 30s linear infinite; }
@keyframes scrollLeft { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.track-right { animation: scrollRight 35s linear infinite; }
@keyframes scrollRight { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.review-card { background: var(--card-bg); border: 1px solid var(--border); padding: 30px; border-radius: 24px; width: 400px; flex-shrink: 0; }
.rev-avatar { width: 55px; height: 55px; border-radius: 50%; object-fit: cover; border: 2px solid #222; }
.stars { color: var(--accent-color); font-size: 0.8rem; letter-spacing: 2px; }

/* RESOURCES */
.resources-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.res-card { background: var(--card-bg); border: 1px solid var(--border); padding: 40px; border-radius: 24px; display: flex; justify-content: space-between; align-items: center; transition: 0.4s ease; text-align: left; }
.res-card:hover { border-color: var(--accent-color); transform: translateY(-5px); background: linear-gradient(145deg, #0f0f0f 0%, #1a0a14 100%); }
.res-btn-icon img { width: 40px; transition: 0.4s ease; filter: brightness(0) invert(1); opacity: 0.15; }
.res-card:hover .res-btn-icon img { opacity: 1; filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(255,255,255,0.4)); }

/* MODAL */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); backdrop-filter: blur(10px); z-index: 200; display: flex; justify-content: center; align-items: center; opacity: 0; pointer-events: none; transition: 0.5s ease; }
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-content { background: #0d0d0d; border: 1px solid var(--border); width: 90%; max-width: 900px; height: 85vh; border-radius: 30px; display: flex; flex-direction: column; position: relative; overflow: hidden; transform: translateY(30px); transition: 0.5s ease; }
.modal-overlay.active .modal-content { transform: translateY(0); }
.modal-header-fixed { padding: 50px 50px 20px 50px; background: #0d0d0d; z-index: 10; }
.modal-tabs { display: flex; gap: 20px; border-bottom: 1px solid var(--border); }
.tab-btn { background: none; border: none; color: #555; padding: 15px 0; font-size: 1rem; font-weight: 600; cursor: pointer; transition: 0.3s; border-bottom: 2px solid transparent; }
.tab-btn.active { color: var(--accent-color); border-bottom-color: var(--accent-color); }
.modal-body-scroll { flex: 1; overflow-y: auto; padding: 0 50px 50px 50px; }
.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.5s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.vacancy-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 20px; }
.vacancy-item { background: #151515; padding: 25px; border-radius: 20px; border: 1px solid var(--border); position: relative; overflow: hidden; min-height: 180px; display: flex; flex-direction: column; justify-content: space-between; transition: 0.3s; }
.vacancy-item:hover { border-color: var(--accent-color); }
.vac-header { display: flex; justify-content: space-between; align-items: flex-start; }
.vac-header h4 { font-size: 1.1rem; color: #fff; }
.vac-header span { font-size: 0.7rem; color: var(--accent-color); background: rgba(255,77,148,0.1); padding: 3px 10px; border-radius: 50px; }
.vac-apply-btn { display: block; background: var(--accent-gradient); color: #fff; text-align: center; padding: 10px; border-radius: 10px; font-weight: 600; transform: translateY(120%); transition: 0.4s; position: absolute; bottom: 0; left: 0; width: 100%; }
.vacancy-item:hover .vac-apply-btn { transform: translateY(0); }

.partner-features { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin: 30px 0; }
.p-feat { border-left: 2px solid var(--accent-color); padding-left: 20px; }
.p-feat strong { color: #fff; display: block; margin-bottom: 10px; font-size: 1.1rem; }

.close-modal { position: absolute; top: 25px; right: 25px; background: none; border: none; color: #555; font-size: 2.5rem; cursor: pointer; z-index: 20; }
.close-modal:hover { color: #fff; }

.cta-section { text-align: center; padding: 120px 0; }
.cta-title { font-size: 4rem; font-weight: 800; }
.btn-main { display: inline-block; background: var(--accent-gradient); color: #fff; padding: 20px 55px; border-radius: 50px; font-weight: 600; font-size: 1.1rem; margin-top: 40px; transition: 0.4s; }

.main-footer { padding: 60px 0 140px 0; background: #000; border-top: 1px solid var(--border); }

/* ADAPTIVE */
@media (max-width: 1024px) {
    .case-card { flex-direction: column; height: auto; display: none; position: relative; opacity: 1; transform: none; margin-bottom: 20px; }
    .case-card.active { display: flex; }
    .portfolio-slider-container { height: auto; }
    .case-visual { width: 100%; height: 300px; border-right: none; border-bottom: 1px solid var(--border); }
    .case-content { width: 100%; padding: 40px; }
}

@media (max-width: 768px) {
    .container { padding: 0 25px; }
    .section-padding { padding: 60px 0 !important; }
    .liquid-top-blur { display: none; }
    .glass-header { 
        padding-top: max(15px, env(safe-area-inset-top)); 
        padding-left: 25px; 
        padding-right: 25px;
        padding-bottom: 15px;
        top: 0; 
    }
    .glass-header.scrolled { 
        padding-top: max(10px, env(safe-area-inset-top)); 
        padding-bottom: 10px; 
    }
    .desktop-only { display: none; }
    .burger { display: flex; }
    .nav-menu { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: #000; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 30px; transform: translateY(-100%); transition: 0.6s cubic-bezier(0.85, 0, 0.15, 1); z-index: 100; }
    .nav-menu.active { transform: translateY(0); }
    .grid-2, .resources-grid, .service-row, .vacancy-list, .partner-features { grid-template-columns: 1fr; }
    h2, .section-title { font-size: 2.2rem !important; text-align: center !important; }
    .hero-title { font-size: 2.5rem; }
    .modal-content { height: 90vh; }
    .modal-header-fixed, .modal-body-scroll { padding: 30px 20px; }
    .vac-apply-btn { transform: translateY(0); border-radius: 0; }
    .slider-btns { display: none; }
}