:root {
        --glass-bg: rgba(255,255,255,0.015);
        --glass-border: rgba(255,255,255,0.1);
        --glass-highlight: rgba(255,255,255,0.15);
    }
    
    * {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        scroll-behavior: smooth;
    }
    
    body {
        background: #000;
        overflow-x: hidden;
    }
    
    /* Background Video */
    #bg-video {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        z-index: -2;
        pointer-events: none;
    }
    
    #video-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.4) 100%);
        z-index: -1;
        pointer-events: none;
    }

	.watermark {
            position: fixed;
            right: 16%;
            bottom: -8px;
            padding: 8px 10px;
            background: ;transparent: ;
            color: #fff;
            font-size: 12px;
            border-radius: none;
            z-index: 40;
        }
    
    /* header */
        header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px 18px 6px;
            border-bottom: 5px solid rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0px;
            --filter-glass3d: blur(3px) brightness(1.17) saturate(1); 
  --color-glass3d: transparent; 
  --noise-glass3d: url("https://www.transparenttextures.com/patterns/egg-shell.png");
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: var(--filter-glass3d); 
  backdrop-filter: var(--filter-glass3d); 
  background-color: var(--color-glass3d); 
  background-image: var(--noise-glass3d); 
  background-size: 100px; 
  background-repeat: repeat; 
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow:  
    0 0 0.75px hsl(205 20% 10% / 0.2), 
    0.7px 0.8px 1.2px -0.4px hsl(205 20% 10% / 0.1), 
    1.3px 1.5px 2.2px -0.8px hsl(205 20% 10% / 0.1), 
    2.3px 2.6px 3.9px -1.2px hsl(205 20% 10% / 0.1), 
    3.9px 4.4px 6.6px -1.7px hsl(205 20% 10% / 0.1), 
    6.5px 7.2px 10.9px -2.1px hsl(205 20% 10% / 0.1), 
    8px 9px 14px -2.5px hsl(205 20% 10% / 0.2);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #fff;
        }

        .brand .logo {
            width: 40px;
            height: 40px;
			margin-left: 0;
            border-radius: 10px;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 14px;
        }

        nav {
            display: flex;
            gap: 18px;
            align-items: center;
        }

        nav a {
            text-decoration: none;
            color: #fff;
            padding: 6px 8px;
            border-radius: 8px;
            font-size: 20px;
			top: 10px;
        }

        nav a.cta {
            background: #transparent;
            color: #fff;
            padding: 8px 14px;
            font-weight: 600;
        }

#transparentTimeCityWidget {
        position: fixed;
        top: 10px;
        right: 10px;
        background: transparent;
        /* nền hoàn toàn trong suốt */
        border: none;
        /* không viền */
        box-shadow: none;
        /* không bóng */
        font-family: Arial, sans-serif;
        font-size: 14px;
        z-index: 9999;
        text-align: right;
        /* chữ sát bên phải */
        pointer-events: none;
        /* không chặn click vào web */
    }

    #trans-time {
        font-weight: bold;
        font-size: 18px;
        color: #fff;
        /* màu chữ, có thể thay theo web */
        display: block;
    }

    #trans-city {
        font-size: 12px;
        color: #fff;
        display: block;
    }

    /* Mobile tối ưu */
    @media screen and (max-width: 480px) {
        #transparentTimeCityWidget {
            font-size: 12px;
        }
    }

    
    .ultra-glass-bar.scrolled {
        box-shadow: inset 0 0.5px 0 var(--glass-highlight), 
                    inset 0 -0.5px 0 rgba(0,0,0,0.05),
                    0 8px 32px rgba(0,0,0,0.12);
    }
    
    /* Glass card material */
    .glass-card {
        --filter-glass3d: blur(3px) brightness(1.17) saturate(1); 
  --color-glass3d: transparent; 
  --noise-glass3d: url("https://www.transparenttextures.com/patterns/egg-shell.png");
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: var(--filter-glass3d); 
  backdrop-filter: var(--filter-glass3d); 
  background-color: var(--color-glass3d); 
  background-image: var(--noise-glass3d); 
  background-size: 100px; 
  background-repeat: repeat; 
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow:  
    0 0 0.75px hsl(205 20% 10% / 0.2), 
    0.7px 0.8px 1.2px -0.4px hsl(205 20% 10% / 0.1), 
    1.3px 1.5px 2.2px -0.8px hsl(205 20% 10% / 0.1), 
    2.3px 2.6px 3.9px -1.2px hsl(205 20% 10% / 0.1), 
    3.9px 4.4px 6.6px -1.7px hsl(205 20% 10% / 0.1), 
    6.5px 7.2px 10.9px -2.1px hsl(205 20% 10% / 0.1), 
    8px 9px 14px -2.5px hsl(205 20% 10% / 0.2);
		z-index: 999;
    }
    
    .glass-card-hover {
        transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .glass-card-hover:hover {
        background: rgba(255,255,255,0.015);
        border-color: rgba(255,255,255,0.15);
        transform: translateY(-4px);
        box-shadow: inset 0 0.5px 0 rgba(255,255,255,0.2),
                    0 20px 60px rgba(0,0,0,0.15);
    }
    
    /* Text gradient effect */
    .text-gradient {
        background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.7) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    
    .glow-text {
        text-shadow: 0 0 40px rgba(255,255,255,0.3);
    }
    
    /* Button style */
    .btn-primary {
        background-color: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 20px 30px rgba(0,0,0,0.16);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .btn-primary:hover {
        background: rgba(255,255,255,0.15);
        border-color: rgba(255,255,255,0.3);
        box-shadow: 0 8px 32px rgba(255,255,255,0.1);
        transform: scale(1.02);
    }
    
    .btn-primary:active {
        transform: scale(0.98);
    }
    
    /* Fade in animation */
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(30px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .fade-in-up {
        animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        opacity: 0;
    }
    
    .delay-1 { animation-delay: 0.1s; }
    .delay-2 { animation-delay: 0.2s; }
    .delay-3 { animation-delay: 0.3s; }
    .delay-4 { animation-delay: 0.4s; }
    
    /* Spec grid */
    .spec-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    @media (max-width: 768px) {
        .ultra-glass-bar {
            left: 12px;
            right: 12px;
            width: calc(100% - 24px);
            height: 52px;
        }
        .spec-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

	.bottom-nav {
            position: fixed;
            bottom: 15px;
            /* tạo hiệu ứng nổi */
            left: 50%;
            transform: translateX(-50%);
            border-radius: 28px;
            padding: 10px 28px;
            display: flex;
            --filter-glass3d: blur(3px) brightness(1.17) saturate(1); 
  --color-glass3d: transparent; 
  --noise-glass3d: url("https://www.transparenttextures.com/patterns/egg-shell.png");
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: var(--filter-glass3d); 
  backdrop-filter: var(--filter-glass3d); 
  background-color: var(--color-glass3d); 
  background-image: var(--noise-glass3d); 
  background-size: 100px; 
  background-repeat: repeat; 
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow:  
    0 0 0.75px hsl(205 20% 10% / 0.2), 
    0.7px 0.8px 1.2px -0.4px hsl(205 20% 10% / 0.1), 
    1.3px 1.5px 2.2px -0.8px hsl(205 20% 10% / 0.1), 
    2.3px 2.6px 3.9px -1.2px hsl(205 20% 10% / 0.1), 
    3.9px 4.4px 6.6px -1.7px hsl(205 20% 10% / 0.1), 
    6.5px 7.2px 10.9px -2.1px hsl(205 20% 10% / 0.1), 
    8px 9px 14px -2.5px hsl(205 20% 10% / 0.2);
            z-index: 999;
        }

        .bottom-nav a {
            text-decoration: none;
            font-size: 30px;
            color: #111;
            padding: 6px 10px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 6px;
            --filter-glass3d: blur(3px) brightness(1.17) saturate(1); 
  --color-glass3d: transparent; 
  --noise-glass3d: url("https://www.transparenttextures.com/patterns/egg-shell.png");
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: var(--filter-glass3d); 
  backdrop-filter: var(--filter-glass3d); 
  background-color: var(--color-glass3d); 
  background-image: var(--noise-glass3d); 
  background-size: 100px; 
  background-repeat: repeat; 
            border: 1px solid rgba(255, 255, 255, 0.2);
            box-shadow:  
    0 0 0.75px hsl(205 20% 10% / 0.2), 
    0.7px 0.8px 1.2px -0.4px hsl(205 20% 10% / 0.1), 
    1.3px 1.5px 2.2px -0.8px hsl(205 20% 10% / 0.1), 
    2.3px 2.6px 3.9px -1.2px hsl(205 20% 10% / 0.1), 
    3.9px 4.4px 6.6px -1.7px hsl(205 20% 10% / 0.1), 
    6.5px 7.2px 10.9px -2.1px hsl(205 20% 10% / 0.1), 
    8px 9px 14px -2.5px hsl(205 20% 10% / 0.2);
        }

        .bottom-nav a.active {
            background: #000;
            color: #fff;
        }

        .bottom-nav a:hover {
            background: none;
        }

        /* Mobile friendly */
        @media (max-width: 500px) {
            .bottom-nav {
                width: calc(100% - 24px);
                justify-content: space-between;
            }
        }

*, ::before, ::after{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246 / 0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgb(59 130 246 / 0.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }/* ! tailwindcss v3.4.17 | MIT License | https://tailwindcss.com */*,::after,::before{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}::after,::before{--tw-content:''}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;tab-size:4;font-family:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.relative{position:relative}.mx-auto{margin-left:auto;margin-right:auto}.mb-10{margin-bottom:2.5rem}.mb-12{margin-bottom:3rem}.mb-16{margin-bottom:4rem}.mb-2{margin-bottom:0.5rem}.mb-3{margin-bottom:0.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mt-20{margin-top:5rem}.flex{display:flex}.grid{display:grid}.h-10{height:2.5rem}.h-14{height:3.5rem}.h-20{height:5rem}.h-7{height:1.75rem}.min-h-\[85vh\]{min-height:85vh}.w-10{width:2.5rem}.w-14{width:3.5rem}.w-20{width:5rem}.w-7{width:1.75rem}.max-w-2xl{max-width:42rem}.max-w-3xl{max-width:48rem}.max-w-4xl{max-width:56rem}.max-w-7xl{max-width:80rem}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.gap-3{gap:0.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.space-y-12 > :not([hidden]) ~ :not([hidden]){--tw-space-y-reverse:0;margin-top:calc(3rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(3rem * var(--tw-space-y-reverse))}.space-y-8 > :not([hidden]) ~ :not([hidden]){--tw-space-y-reverse:0;margin-top:calc(2rem * calc(1 - var(--tw-space-y-reverse)));margin-bottom:calc(2rem * var(--tw-space-y-reverse))}.rounded-2xl{border-radius:1rem}.rounded-3xl{border-radius:1.5rem}.rounded-\[32px\]{border-radius:32px}.rounded-\[36px\]{border-radius:36px}.rounded-full{border-radius:9999px}.rounded-none{border-radius:0px}.border-t-0{border-top-width:0px}.p-6{padding:1.5rem}.p-8{padding:2rem}.px-10{padding-left:2.5rem;padding-right:2.5rem}.px-4{padding-left:1rem;padding-right:1rem}.px-8{padding-left:2rem;padding-right:2rem}.py-12{padding-top:3rem;padding-bottom:3rem}.py-2{padding-top:0.5rem;padding-bottom:0.5rem}.py-20{padding-top:5rem;padding-bottom:5rem}.py-4{padding-top:1rem;padding-bottom:1rem}.py-5{padding-top:1.25rem;padding-bottom:1.25rem}.pb-20{padding-bottom:5rem}.pt-28{padding-top:7rem}.text-center{text-align:center}.text-2xl{font-size:1.5rem;line-height:2rem}.text-3xl{font-size:1.875rem;line-height:2.25rem}.text-4xl{font-size:2.25rem;line-height:2.5rem}.text-5xl{font-size:3rem;line-height:1}.text-base{font-size:1rem;line-height:1.5rem}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-sm{font-size:0.875rem;line-height:1.25rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.font-black{font-weight:900}.font-bold{font-weight:700}.font-light{font-weight:300}.font-medium{font-weight:500}.font-semibold{font-weight:600}.uppercase{text-transform:uppercase}.leading-relaxed{line-height:1.625}.tracking-tight{letter-spacing:-0.025em}.tracking-wider{letter-spacing:0.05em}.text-white{--tw-text-opacity:1;color:rgb(255 255 255 / var(--tw-text-opacity, 1))}.text-white\/40{color:rgb(255 255 255 / 0.4)}.text-white\/60{color:rgb(255 255 255 / 0.6)}.text-white\/70{color:rgb(255 255 255 / 0.7)}.text-white\/80{color:rgb(255 255 255 / 0.8)}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (min-width: 640px){.sm\:flex-row{flex-direction:row}}@media (min-width: 768px){.md\:grid-cols-2{grid-template-columns:repeat(2, minmax(0, 1fr))}.md\:grid-cols-3{grid-template-columns:repeat(3, minmax(0, 1fr))}.md\:p-10{padding:2.5rem}.md\:p-12{padding:3rem}.md\:p-16{padding:4rem}.md\:px-16{padding-left:4rem;padding-right:4rem}.md\:px-8{padding-left:2rem;padding-right:2rem}.md\:py-20{padding-top:5rem;padding-bottom:5rem}.md\:py-32{padding-top:8rem;padding-bottom:8rem}.md\:text-2xl{font-size:1.5rem;line-height:2rem}.md\:text-3xl{font-size:1.875rem;line-height:2.25rem}.md\:text-4xl{font-size:2.25rem;line-height:2.5rem}.md\:text-5xl{font-size:3rem;line-height:1}.md\:text-6xl{font-size:3.75rem;line-height:1}.md\:text-8xl{font-size:6rem;line-height:1}.md\:text-base{font-size:1rem;line-height:1.5rem}.md\:text-lg{font-size:1.125rem;line-height:1.75rem}.md\:text-xl{font-size:1.25rem;line-height:1.75rem}}