*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0B1121;--bg-secondary: #111a2e;--bg-surface: rgba(17, 26, 46, .85);--bg-surface-hover: rgba(25, 38, 68, .95);--bg-glass: rgba(17, 26, 46, .6);--text-primary: #E2E8F0;--text-secondary: #94A3B8;--text-muted: #64748B;--accent-indigo: #6366F1;--accent-violet: #8B5CF6;--accent-cyan: #06B6D4;--accent-emerald: #10B981;--accent-rose: #F43F5E;--gradient-primary: linear-gradient(135deg, #6366F1, #8B5CF6);--gradient-hero: linear-gradient(135deg, #0B1121 0%, #1a1145 40%, #0d2847 100%);--gradient-accent: linear-gradient(135deg, #6366F1, #06B6D4);--gradient-card: linear-gradient(145deg, rgba(99, 102, 241, .08), rgba(6, 182, 212, .04));--border-color: rgba(99, 102, 241, .15);--border-subtle: rgba(148, 163, 184, .08);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 20px 60px rgba(0, 0, 0, .5);--shadow-glow: 0 0 30px rgba(99, 102, 241, .15);--radius-sm: 8px;--radius-md: 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scale(1.01);box-shadow:var(--shadow-glow);border-color:#6366f14d}.game-card__image{height:180px;display:flex;align-items:center;justify-content:center;font-size:4rem;background:var(--gradient-card);border-bottom:1px solid var(--border-subtle)}.game-card__body{padding:24px}.game-card__title{font-size:1.3rem;font-weight:700;margin-bottom:8px}.game-card__desc{color:var(--text-secondary);font-size:.9rem;margin-bottom:16px;line-height:1.5}.game-card__footer{display:flex;align-items:center;justify-content:space-between}.game-card__difficulty{font-size:.8rem;color:var(--text-muted)}.auto__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-bottom:48px}.auto__flow{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;margin-top:24px}.auto__flow-title{font-size:1.2rem;font-weight:700;margin-bottom:16px}.auto__flow-steps{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.auto__flow-step{display:flex;align-items:center;gap:8px;padding:10px 18px;background:#6366f114;border:1px solid rgba(99,102,241,.15);border-radius:var(--radius-md);font-size:.9rem;font-weight:500;color:var(--text-primary)}.auto__flow-arrow{color:var(--accent-indigo);font-size:1.2rem}.ai__comparison{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px}.ai__type-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition-base)}.ai__type-card:hover{border-color:#6366f14d;box-shadow:var(--shadow-glow)}.ai__type-card--local{border-color:#10b98133}.ai__type-card--local:hover{border-color:#10b98166;box-shadow:0 0 30px #10b9811a}.ai__type-icon{font-size:2rem;margin-bottom:16px}.ai__type-title{font-size:1.3rem;font-weight:700;margin-bottom:8px}.ai__type-text{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.ai__models{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px}.ai__models-title{font-size:1.2rem;font-weight:700;margin-bottom:20px}.ai__model-list{display:flex;flex-direction:column;gap:12px}.ai__model-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#6366f10d;border-radius:var(--radius-md);transition:background var(--transition-fast)}.ai__model-item:hover{background:#6366f11a}.ai__model-name{font-weight:600;font-size:.95rem;min-width:140px}.ai__model-desc{color:var(--text-secondary);font-size:.85rem}.contact__wrapper{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.contact__info{padding:32px 0}.contact__info-title{font-size:1.8rem;font-weight:800;margin-bottom:16px}.contact__info-text{color:var(--text-secondary);font-size:1rem;line-height:1.7;margin-bottom:32px}.contact__form{background:var(--bg-surface);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:36px}.contact__form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.form-group input,.form-group textarea{width:100%;padding:12px 16px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:.95rem;transition:all var(--transition-fast);outline:none}.form-group input:focus,.form-group textarea:focus{border-color:var(--accent-indigo);box-shadow:0 0 0 3px #6366f11a}.form-group textarea{min-height:120px;resize:vertical}.form-group__error{font-size:.8rem;color:var(--accent-rose);margin-top:4px}.contact__success{text-align:center;padding:32px}.contact__success-icon{font-size:3rem;margin-bottom:16px}.contact__success-text{font-size:1.1rem;color:var(--accent-emerald);font-weight:600}.form-group--hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}.footer{padding:32px 0;border-top:1px solid var(--border-subtle);text-align:center}.footer__text{color:var(--text-muted);font-size:.85rem}.game-page{min-height:100vh;background:var(--bg-primary);padding:80px 24px 40px;display:flex;flex-direction:column;align-items:center}.game-page__title{font-size:2rem;font-weight:800;margin-bottom:8px;background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.game-page__controls{display:flex;gap:12px;align-items:center;margin-bottom:20px;flex-wrap:wrap;justify-content:center}.game-page__label{font-size:.9rem;color:var(--text-secondary)}.game-page__select{padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--bg-surface);color:var(--text-primary);font-family:var(--font-family);font-size:.9rem;cursor:pointer;outline:none}.game-page__score{font-size:1rem;font-weight:600;color:var(--accent-cyan)}.game-page__status{font-size:1rem;font-weight:600;margin:12px 0;min-height:1.5em}.snake-canvas{border:2px solid var(--border-color);border-radius:var(--radius-md);background:#0a0f1a;display:block}.chess-container{display:flex;gap:32px;align-items:flex-start;flex-wrap:wrap;justify-content:center}.chess-board{display:grid;grid-template-columns:repeat(8,1fr);border:2px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;width:min(480px,90vw);height:min(480px,90vw)}.chess-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:clamp(1.5rem,5vw,2.8rem);cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast);position:relative}.chess-cell--light{background:#b7c0d8}.chess-cell--dark{background:#7b8bad}[data-theme=light] .chess-cell--light{background:#e8edf9}[data-theme=light] .chess-cell--dark{background:#b7c0d8}.chess-cell--selected{background:#6366f180!important}.chess-cell--legal:after{content:"";position:absolute;width:30%;height:30%;border-radius:50%;background:#6366f166}.chess-cell--capture{box-shadow:inset 0 0 0 4px #f43f5e80}.chess-cell--check{box-shadow:inset 0 0 0 4px #f43f5ecc;animation:pulse 1s ease infinite}@keyframes pulse{0%,to{box-shadow:inset 0 0 0 4px #f43f5ecc}50%{box-shadow:inset 0 0 0 6px #f43f5e80}}.chess-info{display:flex;flex-direction:column;gap:12px;min-width:200px}.chess-info__turn{font-size:1rem;font-weight:600;padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md)}.chess-info__captured{padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);font-size:1.5rem;letter-spacing:2px;min-height:48px}.battleship-container{display:flex;gap:48px;flex-wrap:wrap;justify-content:center}.battleship-section{display:flex;flex-direction:column;align-items:center}.battleship-section__title{font-size:1rem;font-weight:600;margin-bottom:12px;color:var(--text-secondary)}.battleship-grid{display:grid;grid-template-columns:repeat(10,1fr);gap:2px;border:2px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;padding:2px;background:var(--border-color)}.battleship-cell{width:clamp(28px,4vw,38px);height:clamp(28px,4vw,38px);background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;font-size:.9rem;cursor:pointer;transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.battleship-cell:hover:not(.battleship-cell--hit):not(.battleship-cell--miss){background:#6366f126}.battleship-cell--ship{background:#6366f133}.battleship-cell--hit{background:#f43f5e4d;color:var(--accent-rose)}.battleship-cell--miss{background:#64748b26;color:var(--text-muted)}.battleship-cell--sunk{background:#f43f5e80;color:#fff}.battleship-ships{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.battleship-ship-tag{padding:4px 10px;font-size:.75rem;border-radius:var(--radius-sm);background:#6366f11a;border:1px solid rgba(99,102,241,.15);color:var(--text-secondary)}.battleship-ship-tag--sunk{background:#f43f5e1a;border-color:#f43f5e33;color:var(--accent-rose);text-decoration:line-through}.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}.fade-in--visible{opacity:1;transform:translateY(0)}@media (max-width: 768px){.section{padding:64px 0}.section__title{font-size:2rem}.navbar__links{display:none}.navbar__links--open{display:flex;flex-direction:column;position:absolute;top:var(--nav-height);left:0;right:0;background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-subtle);padding:16px;gap:4px}.navbar__hamburger{display:flex}.hero__stats{gap:24px;flex-wrap:wrap}.hero__title{font-size:2.2rem}.skills__grid,.games__grid,.auto__grid,.ai__comparison,.contact__wrapper,.contact__form-row{grid-template-columns:1fr}.auto__flow-steps{flex-direction:column}.auto__flow-arrow{transform:rotate(90deg)}.chess-container{flex-direction:column;align-items:center}.battleship-container{flex-direction:column}}@media (max-width: 480px){.container{padding:0 16px}.hero__stat-value{font-size:1.5rem}.card{padding:20px}.chess-board{width:95vw;height:95vw}}.btn--success{background:linear-gradient(135deg,#059669,#10b981);color:#fff;box-shadow:0 4px 16px #10b9814d}.btn--success:hover{transform:translateY(-2px);box-shadow:0 8px 24px #10b98173;color:#fff}.btn--outline{background:transparent;border:1px solid var(--border-color);color:var(--text-primary)}.btn--outline:hover{background:var(--bg-surface);transform:translateY(-1px)}.snake-dpad{display:flex;flex-direction:column;align-items:center;margin-top:16px;gap:4px;-webkit-user-select:none;user-select:none}.snake-dpad__row{display:flex;gap:4px}.snake-dpad__center{width:56px;height:56px}.snake-dpad__btn{width:56px;height:56px;background:var(--bg-surface);border:2px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:1.3rem;display:flex;align-items:center;justify-content:center;cursor:pointer;font-family:var(--font-family);transition:all .1s ease;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.snake-dpad__btn:active,.snake-dpad__btn:hover{background:#6366f140;border-color:var(--accent-indigo);transform:scale(.93)}.game-page__hint{margin-top:8px;font-size:.8rem;color:var(--text-muted)}@media (min-width: 769px){.snake-dpad{display:none}}.game-result-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.game-result-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:48px 40px;text-align:center;max-width:380px;width:90%;animation:slideUp .3s ease;box-shadow:0 32px 80px #0006}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.game-result-card__icon{font-size:3.5rem;margin-bottom:12px;line-height:1}.game-result-card__title{font-size:1.5rem;font-weight:800;margin-bottom:8px}.game-result-card__score{font-size:1.2rem;color:var(--accent-cyan);margin-bottom:4px}.game-result-card__sub{font-size:.9rem;color:var(--text-muted);margin-bottom:24px}.game-result-card__actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}.game-result-card__saved{display:inline-flex;align-items:center;gap:4px;padding:12px 20px;color:var(--accent-emerald);font-weight:600;font-size:.95rem}.chess-svg{width:100%;height:100%}.chess-piece-svg{width:80%;height:80%;display:flex;align-items:center;justify-content:center;pointer-events:none}.chess-dot{position:absolute;width:30%;height:30%;border-radius:50%;background:#6366f180;pointer-events:none}.chess-board-wrap{display:flex;align-items:flex-start;gap:4px}.chess-labels{display:flex;font-size:.65rem;color:var(--text-muted);-webkit-user-select:none;user-select:none}.chess-labels--rank{flex-direction:column;justify-content:space-around;height:min(480px,90vw);padding:0 4px;align-items:center}.chess-labels--file{display:flex;justify-content:space-around;margin-top:4px;padding:0 2px}.chess-labels--file span,.chess-labels--rank span{flex:1;text-align:center}.chess-info__cap-label{font-size:.75rem;color:var(--text-muted);margin-bottom:6px}.chess-info__cap-pieces{display:flex;flex-wrap:wrap;gap:2px}.chess-cap-piece{width:22px;height:22px;display:inline-flex}.battleship-placement{display:flex;gap:32px;flex-wrap:wrap;justify-content:center;width:100%;max-width:900px}.battleship-palette{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;min-width:200px;display:flex;flex-direction:column;gap:10px}.battleship-palette__title{font-size:1rem;font-weight:700;margin-bottom:4px;color:var(--text-secondary)}.battleship-ship-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--radius-md);border:1px solid var(--border-subtle);font-size:.85rem;transition:all var(--transition-fast);color:var(--text-muted)}.battleship-ship-item.current{border-color:var(--accent-cyan);background:#06b6d41a;color:var(--text-primary);font-weight:600}.battleship-ship-item.placed{border-color:#10b9814d;background:#10b9810f;color:var(--text-muted);text-decoration:line-through;opacity:.7}.battleship-ship-item__icon{font-size:1.1rem}.battleship-ship-item__name{flex:1}.battleship-ship-item__size{font-family:monospace;font-size:.7rem;color:var(--accent-indigo);letter-spacing:-2px}.battleship-ship-item__check{color:var(--accent-emerald);font-weight:700}.battleship-palette__controls{display:flex;flex-direction:column;gap:8px;margin-top:8px}.battleship-hint{font-size:.85rem;color:var(--text-secondary);margin-bottom:8px}.battleship-grid-wrap{display:flex;flex-direction:column;align-items:flex-start}.battleship-col-labels{display:flex;margin-left:20px;gap:0}.battleship-col-labels span,.battleship-row-labels span{width:clamp(28px,4vw,38px);height:clamp(28px,4vw,38px);display:flex;align-items:center;justify-content:center;font-size:.65rem;color:var(--text-muted)}.battleship-row-labels{display:flex;flex-direction:column}.battleship-cell--placement{cursor:pointer;border:1px solid transparent}.battleship-cell--hover-valid{background:#10b9814d!important;border-color:#10b98199}.battleship-cell--hover-invalid{background:#f43f5e40!important;border-color:#f43f5e80}.battleship-difficulty-row{display:flex;align-items:center;gap:8px;margin-top:16px}.battleship-ships-status{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:400px}.battleship-section--enemy .battleship-grid .battleship-cell:not(.battleship-cell--hit):not(.battleship-cell--miss):hover{background:#f43f5e1f}.battleship-grid--disabled{opacity:.6;pointer-events:none}