:root{--bg-warm: #FAF8F4;--nav-bg: rgba(250, 248, 244, .9);--card-bg: #FFFFFF;--accent-sage: #E2ECE9;--accent-sage-dark: #4A6B5D;--accent-gold: #D4AF37;--accent-gold-dark: #C59B27;--text-main: #2C3E50;--text-muted: #576574;--border-color: #EDE8DC;--font-serif: "Playfair Display", Georgia, serif;--font-sans: "Inter", system-ui, sans-serif;--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}.hidden{display:none!important}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-gold-dark);outline-offset:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}html,body{background-color:var(--bg-warm);color:var(--text-main);font-family:var(--font-sans);line-height:1.6;overflow-x:hidden;scroll-behavior:smooth;min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--accent-sage-dark)}a{color:inherit;text-decoration:none;transition:var(--transition-smooth)}.navbar-header{background-color:var(--nav-bg);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100;transition:var(--transition-smooth)}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.logo-group{display:flex;flex-direction:column}.logo-title{font-family:var(--font-serif);font-size:1.5rem;font-weight:700;letter-spacing:-.5px;color:var(--accent-sage-dark)}.logo-subtitle{font-size:.75rem;text-transform:uppercase;letter-spacing:2px;color:var(--accent-gold);font-weight:600;margin-top:-2px}.nav-links{display:flex;gap:2rem}.nav-links a{font-size:.95rem;font-weight:500;padding:.5rem 0;position:relative;color:var(--text-main)}.nav-links a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--accent-gold);transition:var(--transition-smooth)}.nav-links a:hover:after,.nav-links a.active:after{width:100%}.nav-links a.active{color:var(--accent-sage-dark);font-weight:600}.lang-switcher{display:flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:600}.lang-switcher a{color:var(--text-muted);padding:8px 12px;border-radius:4px;min-width:48px;min-height:48px;display:inline-flex;align-items:center;justify-content:center;box-sizing:border-box}.lang-switcher a:hover{color:var(--accent-sage-dark)}.lang-switcher .active-lang{color:var(--accent-sage-dark);background-color:var(--accent-sage)}.divider{color:var(--border-color)}.main-content{flex:1;display:flex;flex-direction:column}.footer{background-color:#f0ede6;border-top:1px solid var(--border-color);padding:4rem 2rem 2rem;margin-top:auto}.footer-container{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:3rem}.footer-brand .footer-title{font-family:var(--font-serif);font-size:1.6rem;font-weight:700;color:var(--accent-sage-dark)}.footer-brand .footer-subtitle{font-size:.85rem;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent-gold-dark);font-weight:600;margin-bottom:1rem}.footer-brand .footer-desc{color:var(--text-muted);max-width:500px}.footer-links h4{font-size:1.2rem;margin-bottom:1rem}.footer-links ul{list-style:none;padding:0;margin:0}.footer-links li{margin-bottom:.5rem}.footer-links a{color:var(--text-muted);font-size:.9rem;transition:var(--transition-smooth);display:inline-block}.footer-links a:hover{color:var(--accent-gold-dark);transform:translate(4px)}.footer-contact h4{font-size:1.2rem;margin-bottom:1rem}.footer-contact p{color:var(--text-muted);margin-bottom:.5rem;font-size:.9rem}.footer-bottom{max-width:1200px;margin:3rem auto 0;padding-top:1.5rem;border-top:1px solid rgba(44,62,80,.1);text-align:center;color:var(--text-muted);font-size:.85rem}.mobile-menu-toggle{display:none;flex-direction:column;justify-content:space-between;width:24px;height:16px;background:transparent;border:none;cursor:pointer;padding:0;z-index:110}.mobile-menu-toggle .hamburger-line{width:100%;height:2px;background-color:var(--accent-sage-dark);border-radius:1px;transition:var(--transition-smooth)}.mobile-menu-toggle.active .hamburger-line:nth-child(1){transform:translateY(7px) rotate(45deg)}.mobile-menu-toggle.active .hamburger-line:nth-child(2){opacity:0}.mobile-menu-toggle.active .hamburger-line:nth-child(3){transform:translateY(-7px) rotate(-45deg)}body.cozy-mode-active .mobile-menu-toggle .hamburger-line{background-color:#e5d5c0!important}@media(max-width:768px){.mobile-menu-toggle{display:flex}.nav-container{flex-direction:row;justify-content:space-between;align-items:center;padding:1rem 1.5rem}.nav-links{position:absolute;top:100%;left:0;right:0;background-color:var(--bg-warm);border-bottom:1px solid var(--border-color);flex-direction:column;align-items:center;gap:0;width:100%;max-height:0;opacity:0;overflow:hidden;transition:max-height .3s cubic-bezier(.4,0,.2,1),opacity .2s ease;z-index:99;box-shadow:0 4px 12px #0000000d}.nav-links.open{max-height:450px;opacity:1;padding:.5rem 0}body.cozy-mode-active .nav-links{background-color:#2d251a!important;border-color:#4a3e2d!important}.nav-links a{display:block;width:100%;text-align:center;padding:14px 16px;box-sizing:border-box;border-bottom:1px solid rgba(0,0,0,.02)}body.cozy-mode-active .nav-links a{border-bottom:1px solid rgba(255,255,255,.02)}.nav-links a:after{display:none}.footer-container{grid-template-columns:1fr;gap:2rem}.footer{padding:3rem 1rem 1.5rem}.floating-contact-widget.left-positioned{left:auto!important;right:24px!important;bottom:95px!important}}.floating-contact-widget{position:fixed;bottom:24px;z-index:999}.floating-contact-widget.right-positioned{right:24px}.floating-contact-widget.left-positioned{left:24px}.floating-btn{display:flex;align-items:center;gap:8px;padding:12px 18px;border-radius:50px;font-weight:700;font-size:.9rem;box-shadow:0 4px 15px #00000026;color:#fff!important;text-shadow:0 1px 1px rgba(0,0,0,.1);transition:var(--transition-smooth);position:relative;min-height:48px;box-sizing:border-box}.zalo-floating-btn{background-color:#2980b9}.zalo-floating-btn:hover{background-color:#2471a3;transform:translateY(-2px)}.wa-floating-btn{background-color:#2ecc71}.wa-floating-btn:hover{background-color:#27ae60;transform:translateY(-2px)}.btn-text{max-width:0;overflow:hidden;white-space:nowrap;transition:max-width .3s cubic-bezier(.4,0,.2,1)}.floating-btn:hover .btn-text{max-width:150px}.btn-icon{font-size:1.2rem}.btn-icon-svg{width:18px;height:18px}.pulse-ring{position:absolute;inset:0;border-radius:50px;border:2px solid currentColor;opacity:0;animation:pulseRing 2s infinite;pointer-events:none}@keyframes pulseRing{0%{transform:scale(1);opacity:.5}to{transform:scale(1.25);opacity:0}}@keyframes nudgeSlideUp{0%{opacity:0;transform:translate(-50%) translateY(16px)}to{opacity:1;transform:translate(-50%) translateY(0)}}#scroll-email-bar{position:fixed;bottom:0;left:0;right:0;z-index:9997;background:#354e43;border-top:2px solid #D4AF37;padding:10px 16px}#scroll-bar-inner{display:flex;align-items:center;gap:10px;max-width:680px;margin:0 auto;flex-wrap:wrap}#scroll-bar-icon{font-size:1.2rem;flex-shrink:0}#scroll-bar-text{flex:1;min-width:0;font-size:.88rem;font-weight:600;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#scroll-bar-btn{background:#d4af37;color:#1a1a1a;border:none;border-radius:8px;padding:7px 16px;font-size:.85rem;font-weight:700;cursor:pointer;white-space:nowrap;flex-shrink:0;transition:background .2s}#scroll-bar-btn:hover{background:#c9a32d}#scroll-bar-close{background:none;border:none;color:#fff9;font-size:1.1rem;cursor:pointer;padding:4px;flex-shrink:0;line-height:1}#scroll-bar-close:hover{color:#fff}@keyframes scrollBarSlideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes scrollBarSlideDown{0%{transform:translateY(0);opacity:1}to{transform:translateY(100%);opacity:0}}@media(max-width:480px){#scroll-bar-text{font-size:.78rem}#scroll-bar-btn{padding:6px 12px;font-size:.8rem}}.header-right-actions{display:flex;align-items:center;gap:1.5rem}.btn-cozy-toggle{display:inline-flex;align-items:center;gap:6px;background-color:var(--card-bg);border:1px solid var(--border-color);padding:6px 12px;border-radius:20px;font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition-smooth);color:var(--text-main);min-height:38px}.btn-cozy-toggle:hover{border-color:var(--accent-sage-dark);background-color:var(--accent-sage)}@media(max-width:768px){.header-right-actions{gap:.75rem}.btn-cozy-toggle .cozy-text{display:none}.btn-cozy-toggle{padding:6px 10px}}body.cozy-mode-active{background-color:#2d251a!important;color:#e5d5c0!important}body.cozy-mode-active .navbar-header{background-color:#2d251ae6!important;border-color:#4a3e2d!important}body.cozy-mode-active .logo-title,body.cozy-mode-active .nav-links a,body.cozy-mode-active .logo-subtitle{color:#e5d5c0!important}body.cozy-mode-active .nav-links a.active{color:var(--accent-gold)!important}body.cozy-mode-active .footer{background-color:#241d14!important;border-color:#4a3e2d!important}body.cozy-mode-active .footer-brand .footer-title,body.cozy-mode-active .footer-links h4,body.cozy-mode-active .footer-contact h4{color:var(--accent-gold)!important}body.cozy-mode-active .footer-links a{color:#e5d5c0!important}body.cozy-mode-active .footer-links a:hover{color:var(--accent-gold)!important}body.cozy-mode-active .btn-cozy-toggle{background-color:#3c3324!important;border-color:#4a3e2d!important;color:#e5d5c0!important}body.cozy-mode-active .btn-cozy-toggle:hover{background-color:#4a3e2d!important}body.cozy-mode-active .timeline-interactive-widget,body.cozy-mode-active .lesson-player-container,body.cozy-mode-active .checklist-wrapper,body.cozy-mode-active .premium-form,body.cozy-mode-active .faq-card,body.cozy-mode-active .struggle-card,body.cozy-mode-active .hero-preview-card{background-color:#241d14!important;border-color:#4a3e2d!important;color:#e5d5c0!important}body.cozy-mode-active .timeline-tabs,body.cozy-mode-active .timeline-tab-btn,body.cozy-mode-active .player-sidebar,body.cozy-mode-active .lesson-row,body.cozy-mode-active .check-item,body.cozy-mode-active .action-check,body.cozy-mode-active .panel-graphic,body.cozy-mode-active .faq-btn:hover{background-color:#3c3324!important;border-color:#4a3e2d!important;color:#e5d5c0!important}body.cozy-mode-active .timeline-tab-btn:hover,body.cozy-mode-active .lesson-row:hover,body.cozy-mode-active .check-item:hover{background-color:#4a3e2d!important}body.cozy-mode-active .timeline-tab-btn.active,body.cozy-mode-active .lesson-row.active{background-color:#241d14!important;border-color:var(--accent-gold)!important}body.cozy-mode-active .tab-title,body.cozy-mode-active .viewer-section h6,body.cozy-mode-active .item-title,body.cozy-mode-active .faq-btn,body.cozy-mode-active .struggle-card h4{color:var(--accent-gold)!important}body.cozy-mode-active .text-muted,body.cozy-mode-active p,body.cozy-mode-active span,body.cozy-mode-active li,body.cozy-mode-active .hero-lead{color:#e5d5c0!important}body.cozy-mode-active h1,body.cozy-mode-active h2,body.cozy-mode-active h3,body.cozy-mode-active h4,body.cozy-mode-active h5{color:var(--accent-gold)!important}body.cozy-mode-active .viewer-section.highlight-box{background-color:#3c3324!important;border-left-color:var(--accent-gold)!important}body.cozy-mode-active .viewer-section.highlight-box blockquote{color:#e5d5c0!important}.anxiety-loop-box{border-left:4px solid #E53E3E;background-color:#e53e3e08;padding:1.25rem;border-radius:8px;margin:1.5rem 0;text-align:left}body.cozy-mode-active .anxiety-loop-box{background-color:#e53e3e14}.partner-shield-box{border:2px solid var(--accent-gold);background-color:#d4af3708;padding:1.25rem;border-radius:12px;margin:1.5rem 0;text-align:left}body.cozy-mode-active .partner-shield-box{background-color:#d4af3714;border-color:var(--accent-gold-dark)}.viewer-table{width:100%;border-collapse:collapse;font-size:.85rem;border:1px solid var(--border-color);border-radius:8px;overflow:hidden;margin:1.5rem 0}.viewer-table th,.viewer-table td{padding:10px 12px;border:1px solid var(--border-color);line-height:1.5}.viewer-table th{background-color:var(--accent-sage);color:var(--accent-sage-dark);font-weight:700}body.cozy-mode-active .viewer-table,body.cozy-mode-active .viewer-table th,body.cozy-mode-active .viewer-table td{border-color:#4a3e2d!important}body.cozy-mode-active .viewer-table th{background-color:#3c3324!important;color:var(--accent-gold)!important}.col-cuong-sua{background-color:#2ecc7108;color:#27ae60}body.cozy-mode-active .col-cuong-sua{background-color:#2ecc7114;color:#2ecc71}.col-tac-tia{background-color:#e74c3c08;color:#c0392b}body.cozy-mode-active .col-tac-tia{background-color:#e74c3c14;color:#e74c3c}@media print{.no-print,.floating-contact-widget,.sticky-booking-bar,.print-actions,.navbar-header,.footer{display:none!important}body{background-color:#fff!important;color:#000!important;font-size:11pt!important}}