/* ===========================
   АНИМАЦИИ И KEYFRAMES
   =========================== */

/* ── Базовые keyframes ── */
@keyframes fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeDown {
    from { opacity: 0; transform: translateY(-32px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeLeft {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeRight {
    from { opacity: 0; transform: translateX(-40px); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.88); }
    to   { opacity: 1; transform: scale(1); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50%       { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

@keyframes pulse-ring {
    0%   { transform: scale(0.9); opacity: 1; }
    100% { transform: scale(2);   opacity: 0; }
}

@keyframes gradient-shift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-12px); }
}

@keyframes float-slow {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33%       { transform: translateY(-8px) rotate(1deg); }
    66%       { transform: translateY(4px) rotate(-1deg); }
}

@keyframes type-cursor {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

@keyframes progress-fill {
    from { width: 0; }
    to   { width: var(--target-width); }
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes particle-up {
    0%   { transform: translateY(0) scale(1); opacity: 0.7; }
    100% { transform: translateY(-120px) scale(0); opacity: 0; }
}

@keyframes data-flow {
    0%   { stroke-dashoffset: 1000; }
    100% { stroke-dashoffset: 0; }
}

/* ── Scroll-reveal классы ── */
.reveal {
    opacity: 0;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.reveal-up    { transform: translateY(36px); }
.reveal.reveal-down  { transform: translateY(-36px); }
.reveal.reveal-left  { transform: translateX(40px); }
.reveal.reveal-right { transform: translateX(-40px); }
.reveal.reveal-scale { transform: scale(0.9); }

.reveal.is-visible {
    opacity: 1;
    transform: none;
}

/* Задержки */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }
.delay-700 { transition-delay: 0.7s; }
.delay-800 { transition-delay: 0.8s; }

/* ── Hero-частицы ── */
.particles-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* ── Hero секция ── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    color: #fff;
    max-width: 760px;
}

[data-theme="dark"] .hero-content { color: var(--text-primary); }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    font-size: 0.82rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(8px);
    animation: fadeDown 0.8s ease both;
}

[data-theme="dark"] .hero-badge {
    background: var(--accent-light);
    border-color: var(--border-color);
    color: var(--accent-primary);
}

.hero-title {
    color: #fff;
    margin-bottom: 1.25rem;
    animation: fadeUp 0.9s 0.1s ease both;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

[data-theme="dark"] .hero-title { color: var(--text-primary); text-shadow: none; }

.hero-title .accent { color: #74d991; }
[data-theme="dark"] .hero-title .accent { color: var(--accent-primary); }

.hero-subtitle {
    color: rgba(255,255,255,0.85);
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    animation: fadeUp 0.9s 0.2s ease both;
    max-width: 560px;
}

[data-theme="dark"] .hero-subtitle { color: var(--text-secondary); }

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeUp 0.9s 0.3s ease both;
}

.btn-hero-primary {
    background: #fff;
    color: var(--accent-primary);
    border-color: transparent;
    font-weight: 700;
}

.btn-hero-primary:hover {
    background: #f0f5ee;
    color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

[data-theme="dark"] .btn-hero-primary {
    background: var(--gradient-accent);
    color: var(--text-inverse);
}

.btn-hero-outline {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(8px);
}

.btn-hero-outline:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.8);
    color: #fff;
    transform: translateY(-2px);
}

[data-theme="dark"] .btn-hero-outline {
    border-color: var(--border-color);
    color: var(--text-secondary);
    background: var(--bg-card);
}

.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    max-width: 600px;
    z-index: 0;
    animation: float-slow 8s ease-in-out infinite;
    opacity: 0.12;
    pointer-events: none;
}

[data-theme="dark"] .hero-visual { opacity: 0.06; }

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    animation: fadeIn 1.5s 1s ease both;
    cursor: pointer;
    z-index: 1;
}

.scroll-mouse {
    width: 22px;
    height: 34px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 12px;
    position: relative;
}

.scroll-mouse::after {
    content: '';
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 6px;
    background: rgba(255,255,255,0.6);
    border-radius: 2px;
    animation: float 1.5s ease-in-out infinite;
}

/* ── Карточки технологий ── */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.875rem;
}

.tech-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    cursor: default;
}

.tech-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
    background: var(--bg-card-hover);
}

.tech-card-icon {
    font-size: 2rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-card-icon--svg {
    font-size: 0;
    width: 40px;
    height: 40px;
}

.tech-card-icon--svg svg {
    width: 100%;
    height: 100%;
    border-radius: 6px;
}

.tech-card-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ── Сертификаты ── */
.cert-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.75rem;
    position: relative;
    overflow: hidden;
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
}

.cert-card-number {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.cert-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.cert-card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.cert-stamp {
    position: absolute;
    bottom: 1.25rem;
    right: 1.25rem;
    width: 48px;
    height: 48px;
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 0.6rem;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    opacity: 0.5;
}

/* ── Инфраструктура: схема ── */
.infra-diagram {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    min-height: 400px;
}

.infra-node {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 150px;
}

.infra-node:hover, .infra-node.active {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
    transform: scale(1.04);
    z-index: 10;
}

.infra-node-icon { color: var(--accent-primary); }
.infra-node-icon svg { width: 24px; height: 24px; }
.infra-node-name { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.infra-node-status { font-size: 0.72rem; color: var(--status-success); }

/* ── Страница Решения: фильтры ── */
.filter-bar {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 24px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover { border-color: var(--accent-primary); color: var(--accent-primary); }
.filter-btn.active {
    background: var(--gradient-accent);
    border-color: transparent;
    color: #fff;
}

/* ── Карточка решения ── */
.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.solution-card-header {
    padding: 1.75rem 1.75rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--gradient-card);
}

.solution-card-body {
    padding: 1.5rem 1.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.solution-card-footer {
    padding: 1.25rem 1.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-secondary);
}

.solution-price {
    display: flex;
    flex-direction: column;
}

.solution-price-rent {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
}

.solution-price-buy {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ── Карта (контакты) ── */
.map-container {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    height: 400px;          /* дефолт для других мест */
    background: var(--bg-secondary);
}

/* Внутри contacts-layout карта растягивается на всю высоту */
.contacts-map .map-container {
    height: 100%;
    border-radius: 16px 16px 0 0;
    border: none;
}

.map-container iframe, .map-container #yandex-map {
    width: 100%;
    height: 100%;
    display: block;
    border: none;
}

/* ── Прогресс-бар ── */
.progress-bar {
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--gradient-accent);
    width: 0;
    transition: width 1.5s ease;
}

/* ── Shimmer skeleton ── */
.skeleton {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-card-hover) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 6px;
}

/* ── Tooltip ── */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.4rem 0.75rem;
    font-size: 0.78rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
    z-index: 100;
}

[data-tooltip]:hover::after { opacity: 1; }

/* ── Tech Marquee ── */
@keyframes tech-marq-l {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes tech-marq-r {
    0%   { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

.tech-marq-section { overflow: hidden; }

.tech-marq-wrap {
    position: relative;
    padding: 0.25rem 0 0.5rem;
    margin-top: 0.5rem;
}

.tech-marq-fade--l,
.tech-marq-fade--r {
    position: absolute;
    top: 0; bottom: 0;
    width: 160px;
    z-index: 10;
    pointer-events: none;
}

.tech-marq-fade--l {
    left: 0;
    background: linear-gradient(to right, var(--bg-secondary) 20%, transparent);
}

.tech-marq-fade--r {
    right: 0;
    background: linear-gradient(to left, var(--bg-secondary) 20%, transparent);
}

.tech-marq-row {
    display: flex;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.tech-marq-row:last-child { margin-bottom: 0; }

.tech-marq-track {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
    will-change: transform;
}

.tech-marq-track--l { animation: tech-marq-l 38s linear infinite; }
.tech-marq-track--r { animation: tech-marq-r 32s linear infinite; }

.tech-marq-wrap:hover .tech-marq-track { animation-play-state: paused; }

/* ── Чип технологии ── */
.tech-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.35rem 1.1rem 0.35rem 0.35rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    white-space: nowrap;
    flex-shrink: 0;
    cursor: default;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.tech-chip:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 20px var(--accent-glow), var(--shadow-md);
    transform: translateY(-3px);
}

.tech-chip-ico {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.tech-chip-ico svg {
    width: 26px;
    height: 26px;
    overflow: visible;
}

.tech-chip-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.015em;
}

/* ── Адаптивность анимаций ── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .reveal { opacity: 1; transform: none; }
    .tech-marq-track { animation: none !important; }
}

@media (max-width: 768px) {
    .hero { min-height: 100svh; }
    .hero-visual { display: none; }
    .hero-actions { flex-direction: column; }
    .tech-marq-fade--l,
    .tech-marq-fade--r { width: 60px; }
    .tech-chip { padding: 0.3rem 0.9rem 0.3rem 0.3rem; gap: 0.55rem; }
    .tech-chip-ico { width: 34px; height: 34px; }
    .tech-chip-name { font-size: 0.8rem; }
}

@media (max-width: 480px) {
    .tech-marq-fade--l,
    .tech-marq-fade--r { width: 32px; }
}