/* 2026 Travel Notes Web3 Style */

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-footer: #00d4ff;
            --secondary: #ec4899;
            --accent: #14b8a6;
            --dark: #0f172a;
            --dark-light: #1e293b;
            --text: #e2e8f0;
            --text-muted: #ffffff;
            --text-muted-linking: #94a3b8;
            --text-title: #94a3b8;
            --glass-header: rgba(15, 23, 42, 0.7);
            --glass:  rgb(101 76 105 / 70%);
            --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-alt: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--text-muted-linking);
            text-decoration: none;
            font-weight: bold;
        }

        a:hover {
            color: var(--primary-footer);
        }

        /* Animated Background */
        .bg-animation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .bg-animation::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: gridMove 20s linear infinite;
        }

        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            backdrop-filter: blur(20px);
            background: var(--glass-header);
            border-bottom: 1px solid rgba(99, 102, 241, 0.2);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        nav.scrolled {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

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

        .logo a {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            cursor: pointer;
            transition: transform 0.3s ease;
            text-decoration: none;
        }

        .logo:hover {
            transform: scale(1.05);
        }

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

        .nav-links a {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transition: width 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .web3-btn {
            background: var(--gradient);
            color: white;
            padding: 0.6rem 1.5rem;
            border-radius: 25px;
            border: none;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .web3-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background: var(--text);
            transition: all 0.3s ease;
            border-radius: 3px;
        }

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

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

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

        /* Hero Section */
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(99, 102, 241, 0.2), rgba(236, 72, 153, 0.2));
            animation: gradientShift 10s ease infinite;
        }

        @keyframes gradientShift {
            0%, 100% { opacity: 0.3; }
            50% { opacity: 0.6; }
        }

        .hero-content {
            position: relative;
            z-index: 1;
            animation: fadeInUp 1s ease;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 20px rgba(0, 0, 0, 0.5);
        }

        .hero p {
            font-size: 1.5rem;
            color: var(--text);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Banner Ads */
        .banner {
            padding-top: 80px;
        }

        .banner-container-img {
            max-width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }

        /* Main Container */
        .container {
            max-width: 1400px;
            margin: 3rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }

        /* Content Section */
        .content {
            animation: fadeIn 1s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .section {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(99, 102, 241, 0.2);
            border-radius: 20px;
            padding: 2.5rem;
            margin-bottom: 2rem;
            transition: all 0.3s ease;
        }

        .section:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
            border-color: rgba(99, 102, 241, 0.4);
        }

        .section h2 {
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .section h2::before {
            content: '';
            width: 4px;
            height: 2rem;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section h3 {
            color: var(--accent);
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem;
        }

        .section p {
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .section ul {
            list-style: none;
            padding-left: 1rem;
        }

        .section li {
            color: var(--text-muted);
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }

        .section li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        /* Photo Grid */
        .photo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }

        .photo-item {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .photo-item:hover {
            transform: scale(1.05);
        }

        .photo-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .photo-item:hover img {
            transform: scale(1.1);
        }

        .photo-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1rem;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }

        .photo-item:hover .photo-overlay {
            transform: translateY(0);
        }

        /* Sidebar */
        .sidebar {
            position: sticky;
            top: 100px;
            height: fit-content;
        }

        .sidebar-card {
            background: var(--glass);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(99, 102, 241, 0.2);
            border-radius: 20px;
            padding: 2rem;
            margin-bottom: 2rem;
            transition: all 0.3s ease;
        }

        .sidebar-card:hover {
            transform: translateX(-5px);
            box-shadow: -10px 10px 30px rgba(99, 102, 241, 0.2);
        }

        .sidebar-card h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }

        .sidebar-link {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            padding: 0.8rem 1rem;
            margin-bottom: 0.5rem;
            border-radius: 10px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .sidebar-link::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }

        .sidebar-link:hover {
            background: rgba(99, 102, 241, 0.1);
            color: var(--text);
            padding-left: 1.5rem;
        }

        .sidebar-link:hover::before {
            transform: scaleY(1);
        }

        .info-box {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(236, 72, 153, 0.1));
            padding: 1.5rem;
            border-radius: 15px;
            border: 1px solid rgba(99, 102, 241, 0.3);
        }

        .info-box p {
            margin-bottom: 0.8rem;
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
        }

        .info-box strong {
            color: var(--text-title);
        }

        /* Footer */
        footer {
            background: var(--dark);
            border-top: 1px solid rgba(99, 102, 241, 0.2);
            padding: 3rem 2rem 1rem;
            margin-top: 5rem;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            color: var(--primary);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 0.5rem;
        }

        .footer-section a {
            color: var(--text-muted-linking);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--primary-footer);
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(99, 102, 241, 0.1);
            color: rgba(255, 255, 255, 0.5);
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            border-radius: 50%;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 999;
            box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(99, 102, 241, 0.6);
        }

        /* Responsive Design */
        @media (max-width: 968px) {
            .container {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: relative;
                top: 0;
            }

            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: var(--dark);
                width: 100%;
                padding: 2rem;
                transition: left 0.3s ease;
                border-bottom: 1px solid rgba(99, 102, 241, 0.2);
            }

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

            .hamburger {
                display: flex;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.2rem;
            }

            .hide-on-mobile {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .nav-container {
                padding: 1rem;
            }

            .section {
                padding: 1.5rem;
            }

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

            .hide-on-mobile {
                display: none;
            }

            .hero h1 {
                font-size: 2rem;
            }
        }