* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            color: #e2e8f0;
            line-height: 1.6;
            /* ЄДИНИЙ КОСМІЧНИЙ ФОН НА ВСЮ СТОРІНКУ */
            background: 
                radial-gradient(circle at 20% 10%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
                radial-gradient(circle at 80% 30%, rgba(139, 92, 246, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 40% 60%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 90%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
                linear-gradient(145deg, #050510 0%, #0a0a1f 50%, #0f0f2e 100%);
            background-attachment: fixed;
            position: relative;
            overflow-x: hidden;
        }

        /* Анімовані частинки на весь фон */
        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle, rgba(255,255,255,0.3) 1px, transparent 1px),
                radial-gradient(circle, rgba(139, 92, 246, 0.2) 1px, transparent 1px);
            background-size: 50px 50px, 80px 80px;
            background-position: 0 0, 40px 40px;
            animation: sparkle 60s linear infinite;
            pointer-events: none;
            opacity: 0.3;
            z-index: 0;
        }

        @keyframes sparkle {
            0% { transform: translateY(0); }
            100% { transform: translateY(-100px); }
        }

        /* Всі секції отримують z-index для відображення над фоном */
        section {
            position: relative;
            z-index: 1;
        }

        /* НАВІГАЦІЯ (фіксована) */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(56, 189, 248, 0.15);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #bae6fd;
            letter-spacing: -0.02em;
            z-index: 1001;
        }

        a.logo {
            text-decoration: none;
        }

        a.logo:hover {
            color: #bae6fd;
        }

        .nav-menu {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: #cbd5e1;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

        .nav-menu a:hover {
            color: #bae6fd;
        }

        .lang-switch {
            padding: 0.4rem 0.8rem;
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            border-radius: 20px;
            color: #38bdf8;
            font-size: 0.85rem;
            cursor: pointer;
            transition: 0.2s;
        }

        .lang-switch:hover {
            background: rgba(56, 189, 248, 0.2);
        }

        /* БУРГЕР-МЕНЮ */
        .burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
        }

        .burger span {
            width: 25px;
            height: 3px;
            background: #bae6fd;
            border-radius: 2px;
            transition: 0.3s;
        }

        .burger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .burger.active span:nth-child(2) {
            opacity: 0;
        }

        .burger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        /* HERO БЛОК (щільний) */
        .hero {
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 5rem 2rem 1.5rem;
        }

        .hero-content {
            max-width: 1000px;
            text-align: center;
        }

        .hero h1 {
            font-size: clamp(2.2rem, 7vw, 5rem);
            font-weight: 700;
            background: linear-gradient(135deg, #bae6fd 0%, #c7d2fe 50%, #ddd6fe 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
        }

        .hero h1::after {
            content: '';
            display: block;
            width: 180px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #a5b4fc, transparent);
            margin: 1rem auto 0;
            box-shadow: 0 0 20px rgba(165, 180, 252, 0.5);
        }

        .hero .subtitle {
            font-size: clamp(1rem, 2.8vw, 1.6rem);
            color: #e0e7ff;
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .hero .additional {
            font-size: clamp(0.9rem, 1.8vw, 1.2rem);
            color: #c7d2fe;
            margin-top: 0.8rem;
        }

        /* КОРОТКА СУТЬ (щільна) */
        .essence {
            padding: 1rem 2rem 1.5rem;
        }

        .essence-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .essence-section {
            margin-bottom: 1.5rem;
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .essence-section:last-child {
            margin-bottom: 0;
        }

        .essence-text {
            font-size: 1rem;
            line-height: 1.6;
            color: #cbd5e1;
        }

        .essence-text p {
            text-indent: 2em;
            text-align: justify;
        }

        .essence-text strong {
            color: #bae6fd;
            font-weight: 600;
        }

        .essence-visual {
            min-height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .essence-visual .philosophy-principle-img {
            max-width: 100%;
            width: auto;
            height: auto;
            max-height: 320px;
            display: block;
            border-radius: 8px;
            object-fit: contain;
        }

        /* Візуалізація 1: Фільтри */
        .filters-compare {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            width: 100%;
        }

        .filter-row {
            display: flex;
            align-items: center;
            gap: 1rem;
            justify-content: center;
        }

        .waves-simple {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .wave-line {
            width: 60px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #64748b, #64748b);
            animation: wave-pulse 2s ease-in-out infinite;
        }

        .wave-line:nth-child(2) { animation-delay: 0.2s; transform: rotate(-8deg); transform-origin: left; }
        .wave-line:nth-child(3) { animation-delay: 0.4s; transform: rotate(8deg); transform-origin: left; }

        @keyframes wave-pulse {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .filter-box {
            width: 40px;
            height: 60px;
            background: linear-gradient(135deg, #1e293b, #334155);
            border: 2px solid #475569;
            border-radius: 4px;
        }

        .output-line {
            width: 60px;
            height: 2px;
            background: #64748b;
        }

        .divider-vs {
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, #334155, transparent);
            position: relative;
        }

        .divider-vs::after {
            content: 'VS';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: #0a0a1f;
            padding: 0.2rem 0.6rem;
            font-size: 0.7rem;
            color: #64748b;
            font-weight: 700;
        }

        .waves-multi {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .wave-angled {
            width: 50px;
            height: 2px;
            background: linear-gradient(90deg, transparent, #38bdf8, #38bdf8);
            animation: wave-glow 2s ease-in-out infinite;
        }

        .wave-angled:nth-child(1) { transform: rotate(-12deg); transform-origin: left; }
        .wave-angled:nth-child(2) { transform: rotate(0deg); animation-delay: 0.2s; }
        .wave-angled:nth-child(3) { transform: rotate(12deg); transform-origin: left; animation-delay: 0.4s; }

        @keyframes wave-glow {
            0%, 100% { opacity: 0.5; }
            50% { opacity: 1; }
        }

        .filters-adaptive {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .filter-adaptive {
            width: 40px;
            height: 16px;
            background: linear-gradient(135deg, #0ea5e9, #38bdf8);
            border: 1px solid #38bdf8;
            border-radius: 3px;
            animation: pulse-filter 2s ease-in-out infinite;
            box-shadow: 0 0 12px rgba(56, 189, 248, 0.4);
        }

        .filter-adaptive:nth-child(2) { animation-delay: 0.2s; }
        .filter-adaptive:nth-child(3) { animation-delay: 0.4s; }

        @keyframes pulse-filter {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        .outputs-multi {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .output-multi {
            width: 50px;
            height: 2px;
            background: #38bdf8;
            box-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
        }

        /* Візуалізація 2: Сенсори */
        .sensors-visual {
            position: relative;
            width: 100%;
            height: 300px;
        }

        .abstract-object-essence {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 100px;
            height: 120px;
            background: linear-gradient(135deg, #1e293b, #334155);
            border: 2px solid #475569;
            clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.3);
        }

        .sensor-dot {
            position: absolute;
            width: 8px;
            height: 8px;
            background: #38bdf8;
            border-radius: 50%;
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.8);
            animation: sensor-pulse-dot 2s ease-in-out infinite;
            z-index: 10;
        }

        @keyframes sensor-pulse-dot {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.4); opacity: 1; }
        }

        .field-line-svg {
            stroke: rgba(56, 189, 248, 0.25);
            stroke-width: 1.5;
            fill: none;
            stroke-dasharray: 6, 4;
            animation: field-flow-svg 5s linear infinite;
        }

        @keyframes field-flow-svg {
            0% { stroke-dashoffset: 0; }
            100% { stroke-dashoffset: 100; }
        }

        /* Візуалізація 3: Прогресія */
        .progression-visual-essence {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
            width: 100%;
        }

        .progress-stage-essence {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
            flex: 1;
        }

        .stage-icon-essence {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .stage-text-essence {
            font-size: 0.7rem;
            color: #64748b;
            text-align: center;
            line-height: 1.3;
        }

        .icon-point-essence {
            width: 14px;
            height: 14px;
            background: #38bdf8;
            border-radius: 50%;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.8);
            animation: point-glow-essence 2s ease-in-out infinite;
        }

        @keyframes point-glow-essence {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.2); }
        }

        .icon-temp-essence {
            width: 45px;
            height: 8px;
            background: linear-gradient(90deg, #3b82f6, #ef4444);
            border-radius: 4px;
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.5);
            position: relative;
        }

        .icon-temp-essence::before {
            content: '';
            position: absolute;
            width: 3px;
            height: 14px;
            background: #38bdf8;
            left: 30%;
            top: 50%;
            transform: translateY(-50%);
            animation: temp-move-essence 3s ease-in-out infinite;
        }

        @keyframes temp-move-essence {
            0%, 100% { left: 20%; }
            50% { left: 80%; }
        }

        .icon-mech-essence {
            width: 35px;
            height: 35px;
            border: 3px solid #38bdf8;
            border-radius: 4px;
            position: relative;
            animation: mech-rotate-essence 4s linear infinite;
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
        }

        .icon-mech-essence::before {
            content: '';
            position: absolute;
            width: 7px;
            height: 7px;
            background: #38bdf8;
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
        }

        @keyframes mech-rotate-essence {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .icon-flight-essence {
            position: relative;
            width: 55px;
            height: 55px;
        }

        .flight-path-essence {
            position: absolute;
            width: 100%;
            height: 100%;
            border: 2px dashed #38bdf8;
            border-radius: 50%;
            opacity: 0.4;
        }

        .flight-object-essence {
            position: absolute;
            width: 0;
            height: 0;
            border-left: 7px solid transparent;
            border-right: 7px solid transparent;
            border-bottom: 14px solid #38bdf8;
            top: 50%;
            left: 50%;
            transform-origin: 27px 0;
            animation: flight-orbit-essence 3s linear infinite;
            filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.8));
        }

        @keyframes flight-orbit-essence {
            0% { transform: translate(-50%, -50%) rotate(0deg) translateY(-23px) rotate(0deg); }
            100% { transform: translate(-50%, -50%) rotate(360deg) translateY(-23px) rotate(-360deg); }
        }

        .progress-arrow-essence {
            font-size: 1.3rem;
            color: #475569;
            flex-shrink: 0;
        }

        /* ПРОЄКТИ (щільні) */
        .projects {
            padding: 1rem 2rem 1.5rem;
        }

        .projects-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .projects-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-top: 1rem;
        }

        .project-card {
            background: linear-gradient(135deg, rgba(15, 24, 41, 0.6), rgba(26, 31, 51, 0.6));
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .project-card:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 60px rgba(56, 189, 248, 0.3);
        }

        .project-visual {
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.1), transparent);
            position: relative;
            overflow: hidden;
        }

        /* FANAT візуал */
        .drone-visual {
            position: relative;
            width: 180px;
            height: 130px;
        }

        .drone-body {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 110px;
            height: 55px;
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.4), rgba(51, 65, 85, 0.6));
            border: 2px solid rgba(56, 189, 248, 0.4);
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.2);
        }

        .drone-component {
            position: absolute;
            width: 10px;
            height: 10px;
            background: #38bdf8;
            border-radius: 3px;
            box-shadow: 0 0 15px rgba(56, 189, 248, 0.8);
            animation: component-pulse 2s ease-in-out infinite;
        }

        .drone-component:nth-child(2) { top: 20%; left: 20%; }
        .drone-component:nth-child(3) { top: 20%; right: 20%; animation-delay: 0.3s; }
        .drone-component:nth-child(4) { bottom: 20%; left: 30%; animation-delay: 0.6s; }
        .drone-component:nth-child(5) { bottom: 20%; right: 30%; animation-delay: 0.9s; }

        @keyframes component-pulse {
            0%, 100% { opacity: 0.5; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.2); }
        }

        .drone-wire {
            position: absolute;
            stroke: rgba(56, 189, 248, 0.3);
            stroke-width: 1;
            fill: none;
        }

        /* FAGAL візуал */
        .pcb-visual {
            position: relative;
            width: 180px;
            height: 180px;
        }

        .pcb-board {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 150px;
            height: 110px;
            background: linear-gradient(135deg, #1e3a1e, #2d4a2d);
            border: 2px solid #4ade80;
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(74, 222, 128, 0.2);
        }

        .pcb-window {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background: rgba(10, 14, 26, 0.8);
            border: 2px solid #4ade80;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
        }

        .pcb-trace {
            position: absolute;
            height: 2px;
            background: linear-gradient(90deg, transparent, #4ade80, transparent);
            animation: current-flow 3s ease-in-out infinite;
        }

        .pcb-trace:nth-child(1) { top: 20%; left: 0; width: 40%; }
        .pcb-trace:nth-child(2) { top: 40%; right: 0; width: 40%; animation-delay: 0.5s; }
        .pcb-trace:nth-child(3) { bottom: 20%; left: 10%; width: 35%; animation-delay: 1s; }

        @keyframes current-flow {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 1; }
        }

        .project-info {
            padding: 1rem;
            text-align: center;
        }

        .project-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #bae6fd;
            margin-bottom: 0.3rem;
        }

        .project-desc {
            font-size: 0.9rem;
            color: #94a3b8;
        }

        /* CTA (щільна) */
        .cta {
            padding: 1.5rem 2rem 2rem;
        }

        .cta-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-buttons {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .btn {
            padding: 0.85rem 2.5rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, #0ea5e9, #38bdf8);
            color: white;
            box-shadow: 0 10px 40px rgba(56, 189, 248, 0.3);
            font-size: 1rem;
            padding: 0.95rem 3rem;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 50px rgba(56, 189, 248, 0.5);
        }

        .btn-secondary {
            background: transparent;
            color: #cbd5e1;
            border: 2px solid rgba(56, 189, 248, 0.3);
            padding: 0.7rem 2rem;
            font-size: 0.9rem;
        }

        .btn-secondary:hover {
            border-color: #38bdf8;
            color: #bae6fd;
            background: rgba(56, 189, 248, 0.1);
        }

        .cta-secondary-row {
            display: flex;
            gap: 1rem;
        }

        /* Сторінка Підтримати */
        .support-intro {
            max-width: 100%;
            margin: 0 0 3rem;
            padding: 0 0 0 3rem;
            text-align: left;
        }
        .support-intro p {
            font-size: 1rem;
            line-height: 1.6;
            color: #cbd5e1;
            margin-bottom: 0.8rem;
            text-indent: 2em;
            text-align: justify;
        }
        .donation-methods {
            max-width: 1200px;
            margin: 0 auto 2.5rem;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
        }
        /* Блок донатів праворуч від тексту (сторінка Підтримати) */
        .donation-methods-inline {
            max-width: none;
            margin: 0 0 0 auto;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            width: fit-content;
        }
        .donation-card {
            background: rgba(15, 23, 42, 0.4);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 12px;
            padding: 1.5rem 1.5rem 1.7rem;
        }
        .donation-card--qr-only {
            padding: 0.5rem;
            width: fit-content;
        }
        .donation-card--qr-only .qr-container {
            margin: 0;
        }
        .donation-card--bank {
            padding: 0.75rem;
            width: fit-content;
            text-align: center;
        }
        .donation-card--bank .qr-container {
            margin: 0 0 0.75rem;
        }
        .qr-container {
            display: flex;
            justify-content: center;
            margin: 1.25rem 0 1.5rem;
        }
        .qr-container img {
            max-width: 280px;
            height: auto;
            border-radius: 8px;
        }
        .support-action {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.9rem 1.6rem;
            margin: 0 auto;
        }
        .support-card-number {
            margin-top: 0.85rem;
            color: #cbd5e1;
            font-size: 0.95rem;
            font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
            letter-spacing: 0.03em;
        }
        .donation-card--bank-details {
            padding: 1.25rem 1.5rem;
            max-width: 420px;
            width: 100%;
        }
        .bank-details-qr-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            justify-content: flex-start;
            margin-top: 0.75rem;
        }
        .bank-details-qr-col {
            flex: 0 0 auto;
        }
        .bank-details-qr-col .bank-details-title {
            margin-bottom: 0.5rem;
        }
        .bank-details-qr-wrap {
            width: 200px;
            min-height: 200px;
            background: #fff;
            border-radius: 6px;
            overflow: hidden;
        }
        .bank-details-qr-wrap canvas,
        .bank-details-qr-wrap img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        .bank-details-qr-wrap table {
            background: #fff;
        }
        .bank-details-welcome {
            color: #e2e8f0;
            font-size: 1rem;
            margin-bottom: 0.75rem;
            line-height: 1.5;
        }
        .bank-details-secure {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-bottom: 1.25rem;
            line-height: 1.5;
        }
        .bank-details-block {
            margin-bottom: 1.5rem;
        }
        .bank-details-block:last-of-type {
            margin-bottom: 0;
        }
        .bank-details-title {
            font-size: 1rem;
            color: #bae6fd;
            margin-bottom: 0.35rem;
            font-weight: 600;
        }
        .bank-details-need {
            font-size: 0.8rem;
            color: #94a3b8;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }
        .bank-details-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.5rem 0.75rem;
            margin-bottom: 0.5rem;
        }
        .bank-details-label {
            font-size: 0.85rem;
            color: #94a3b8;
            min-width: 5rem;
        }
        .bank-details-value {
            font-size: 0.9rem;
            color: #cbd5e1;
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            word-break: break-all;
        }
        .bank-details-address {
            font-family: inherit;
            font-size: 0.85rem;
        }
        .bank-details-notes {
            margin: 0.75rem 0 0 1.25rem;
            padding: 0;
            list-style: disc;
            font-size: 0.85rem;
            color: #94a3b8;
            line-height: 1.5;
        }
        .bank-details-footer {
            margin-top: 1.25rem;
            font-size: 0.95rem;
            color: #94a3b8;
            text-align: center;
        }
        .btn-copy {
            padding: 0.35rem 0.65rem;
            font-size: 0.8rem;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.35);
            border-radius: 6px;
            color: #38bdf8;
            cursor: pointer;
            transition: background 0.2s, border-color 0.2s;
        }
        .btn-copy:hover {
            background: rgba(56, 189, 248, 0.25);
            border-color: rgba(56, 189, 248, 0.5);
        }
        .btn-copy-done {
            color: #4ade80;
            border-color: rgba(74, 222, 128, 0.5);
        }
        .donation-card--pay-buttons .pay-buttons-row {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        .btn-pay {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.85rem 1.75rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .btn-google-pay {
            background: #1a73e8;
            color: #fff;
        }
        .btn-google-pay:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
        }
        .btn-apple-pay {
            background: #000;
            color: #fff;
        }
        .btn-apple-pay:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
        }
        .support-crypto-section {
            width: 100%;
            margin-top: 2rem;
        }
        .donation-card--crypto {
            padding: 1.25rem 1.5rem;
            width: 100%;
            max-width: none;
        }
        .crypto-heading {
            font-size: 1.1rem;
            color: #bae6fd;
            margin-bottom: 1rem;
            text-align: center;
        }
        .crypto-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            justify-content: flex-start;
        }
        .crypto-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.35rem;
            min-width: 0;
        }
        .crypto-qr {
            line-height: 0;
        }
        .crypto-qr img {
            width: 72px;
            height: 72px;
            object-fit: contain;
            border-radius: 6px;
        }
        .crypto-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: #94a3b8;
        }
        .crypto-address {
            font-size: 0.65rem;
            color: #64748b;
            font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
            word-break: break-all;
            text-align: center;
            max-width: 110px;
            line-height: 1.25;
        }
        .usage-section {
            max-width: 100%;
            margin: 3rem 0;
            padding: 2rem 3rem;
            background: rgba(56, 189, 248, 0.05);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 12px;
        }
        .usage-section h2 {
            font-size: 1.8rem;
            color: #bae6fd;
            margin-bottom: 1.5rem;
            text-align: left;
        }
        .usage-item {
            margin-bottom: 1rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .usage-item::before {
            content: "→";
            position: absolute;
            left: 0;
            color: #38bdf8;
            font-weight: bold;
        }
        .usage-item strong {
            color: #bae6fd;
        }
        .transparency-note {
            max-width: 100%;
            margin: 2rem 0;
            padding: 2rem 3rem;
            text-align: left;
            background: rgba(139, 92, 246, 0.05);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 12px;
        }
        .transparency-note h2 {
            font-size: 1.8rem;
            color: #a78bfa;
            margin-bottom: 1rem;
        }
        .transparency-note p {
            color: #cbd5e1;
            font-size: 1.05rem;
            text-indent: 2em;
            text-align: justify;
        }
        .donation-hint {
            font-size: 0.9rem;
            color: #64748b;
        }
        .support-link {
            color: #38bdf8;
            text-decoration: none;
        }
        .support-link:hover {
            color: #bae6fd;
        }

        /* Сторінка Контакти */
        .contacts-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 4rem;
            align-items: start;
        }
        .contact-info,
        .contact-form {
            background: rgba(15, 23, 42, 0.4);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 12px;
            padding: 2rem;
        }
        .contact-info h2,
        .contact-form h2 {
            font-size: 1.8rem;
            color: #bae6fd;
            margin-bottom: 1.5rem;
        }
        .contact-item {
            margin-bottom: 1.5rem;
        }
        .contact-label {
            font-size: 0.9rem;
            color: #94a3b8;
            margin-bottom: 0.3rem;
        }
        .contact-value {
            font-size: 1.1rem;
            color: #cbd5e1;
        }
        .contact-value a {
            color: #38bdf8;
            text-decoration: none;
            transition: color 0.3s;
        }
        .contact-value a:hover {
            color: #bae6fd;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            font-size: 0.95rem;
            color: #cbd5e1;
            margin-bottom: 0.5rem;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(56, 189, 248, 0.2);
            border-radius: 6px;
            color: #cbd5e1;
            font-size: 1rem;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: rgba(56, 189, 248, 0.5);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 150px;
        }
        .form-submit {
            background: rgba(56, 189, 248, 0.1);
            border: 1px solid rgba(56, 189, 248, 0.3);
            padding: 0.9rem 2.5rem;
            border-radius: 8px;
            color: #38bdf8;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        .form-submit:hover {
            background: rgba(56, 189, 248, 0.2);
            border-color: rgba(56, 189, 248, 0.5);
            transform: translateY(-2px);
        }

        /* Video placeholder, ecosystem, status-badge (проєкти) */
        .video-placeholder {
            background: rgba(15, 23, 42, 0.6);
            border: 2px dashed rgba(56, 189, 248, 0.3);
            border-radius: 12px;
            height: 280px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 1.1rem;
            text-align: center;
            padding: 2rem;
        }

        .video-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 2rem;
            align-items: stretch;
        }

        .video-grid .video-placeholder {
            flex: 0 1 260px;
            height: 220px;
        }

        .ecosystem-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 1.5rem;
        }

        .ecosystem-item {
            background: rgba(15, 23, 42, 0.4);
            border: 1px solid rgba(56, 189, 248, 0.15);
            border-radius: 8px;
            padding: 1.5rem;
        }

        .ecosystem-item:hover {
            background: rgba(15, 23, 42, 0.6);
            border-color: rgba(56, 189, 248, 0.4);
            transform: translateY(-2px);
        }

        .ecosystem-item h3 {
            color: #bae6fd;
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .ecosystem-item p {
            color: #cbd5e1;
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .status-badge {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: rgba(139, 92, 246, 0.1);
            border: 1px solid rgba(139, 92, 246, 0.3);
            border-radius: 6px;
            color: #a78bfa;
            font-size: 0.9rem;
            margin-top: 1rem;
        }

        /* МОБІЛЬНА АДАПТИВНІСТЬ */
        @media (max-width: 968px) {
            .nav-menu {
                position: fixed;
                top: 68px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 68px);
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 2.5rem;
                transition: left 0.3s ease;
                border-top: 1px solid rgba(56, 189, 248, 0.15);
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-menu a {
                font-size: 1.2rem;
            }

            .burger {
                display: flex;
            }

            .essence-section {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                margin-bottom: 1.5rem;
            }

            .essence-visual {
                min-height: 200px;
            }

            .essence-visual .philosophy-principle-img {
                max-height: 260px;
            }

            .projects-grid {
                grid-template-columns: 1fr;
            }

            .ecosystem-grid {
                grid-template-columns: 1fr;
            }

            .video-grid .video-placeholder {
                flex-basis: 100%;
            }

            .donation-methods {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .contacts-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .cta-secondary-row {
                flex-direction: column;
            }

            .progression-visual-essence {
                gap: 0.3rem;
            }

            .stage-text-essence {
                font-size: 0.6rem;
            }

            .progress-arrow-essence {
                font-size: 1rem;
            }
        }

        @media (max-width: 600px) {
            .hero {
                padding: 4.5rem 1.5rem 1rem;
            }

            .hero h1::after {
                width: 130px;
            }

            .filters-compare {
                transform: scale(0.8);
            }

            .progression-visual-essence {
                transform: scale(0.85);
            }

            .nav-container {
                padding: 0.8rem 1.2rem;
            }

            .logo {
                font-size: 1rem;
            }

            .essence {
                padding: 1rem 1.2rem 1rem;
            }

            .projects {
                padding: 1rem 1.2rem 1rem;
            }

            .cta {
                padding: 1.2rem 1.2rem 1.5rem;
            }

            .essence-visual .philosophy-principle-img {
                max-height: 220px;
            }
        }