/* GTAIScience Design System - CSS Variables */ /* Default theme: Light Blue (浅蓝色主题) */ :root { /* Primary Colors */ --color-primary: #0066FF; --color-primary-light: #3388FF; --color-primary-dark: #0044CC; --color-secondary: #00B894; --color-secondary-light: #55D4B8; --color-accent: #6C5CE7; --color-accent-light: #8B7CF0; /* Background Colors - Light Blue */ --color-bg-primary: #F0F7FF; --color-bg-secondary: #FFFFFF; --color-bg-tertiary: #E8F4FD; --color-bg-card: #FFFFFF; --color-bg-card-hover: #F5FAFF; --color-bg-input: #FFFFFF; --color-bg-overlay: rgba(240, 247, 255, 0.9); /* Text Colors */ --color-text-primary: #1A2332; --color-text-secondary: #4A5568; --color-text-muted: #8899AA; --color-text-accent: #00B894; --color-text-link: #0066FF; /* Border & Divider */ --color-border: #D0E3F5; --color-border-light: #E3EFF9; --color-divider: #E8F4FD; /* Status Colors */ --color-success: #00B894; --color-warning: #F39C12; --color-error: #E74C3C; --color-info: #0095FF; /* Gradients - Light Blue */ --gradient-primary: linear-gradient(135deg, #0066FF 0%, #6C5CE7 100%); --gradient-secondary: linear-gradient(135deg, #00B894 0%, #0066FF 100%); --gradient-dark: linear-gradient(180deg, #F0F7FF 0%, #E8F4FD 100%); --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #F5FAFF 100%); --gradient-glow: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.06) 0%, transparent 70%); /* Typography */ --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; --font-mono: 'SF Mono', 'Fira Code', 'Consolas', 'Courier New', monospace; --font-size-xs: 0.75rem; --font-size-sm: 0.875rem; --font-size-base: 1rem; --font-size-lg: 1.125rem; --font-size-xl: 1.25rem; --font-size-2xl: 1.5rem; --font-size-3xl: 2rem; --font-size-4xl: 2.5rem; --font-size-5xl: 3.5rem; --font-weight-normal: 400; --font-weight-medium: 500; --font-weight-semibold: 600; --font-weight-bold: 700; --line-height-tight: 1.2; --line-height-normal: 1.5; --line-height-relaxed: 1.75; /* Spacing */ --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; /* Border Radius */ --radius-sm: 4px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px; --radius-2xl: 24px; --radius-full: 9999px; /* Shadows - Light Blue Soft */ --shadow-sm: 0 1px 3px rgba(0, 80, 180, 0.06); --shadow-md: 0 4px 12px rgba(0, 80, 180, 0.08); --shadow-lg: 0 8px 24px rgba(0, 80, 180, 0.1); --shadow-xl: 0 16px 48px rgba(0, 80, 180, 0.12); --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.15); --shadow-glow-green: 0 0 20px rgba(0, 184, 148, 0.15); /* Transitions */ --transition-fast: 0.15s ease; --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1); --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1); --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55); /* Z-index Scale */ --z-dropdown: 100; --z-sticky: 200; --z-fixed: 300; --z-modal-backdrop: 400; --z-modal: 500; --z-tooltip: 600; --z-toast: 700; /* Layout */ --container-max: 1400px; --header-height: 72px; --sidebar-width: 280px; --content-padding: var(--space-6); /* Scrollbar */ --scrollbar-track: #F0F7FF; --scrollbar-thumb: #D0E3F5; --scrollbar-thumb-hover: #B8D4EE; } /* GTAIScience - Theme System * Default: light-blue (浅蓝色主题) * Alternative: dark (暗色主题) * Theme is applied via [data-theme] on */ /* ═══════════════════════════════════════════════════════════════ * DARK THEME — 原始暗色配色（通过 data-theme="dark" 激活） * ═══════════════════════════════════════════════════════════════ */ [data-theme="dark"] { /* Primary Colors */ --color-primary: #0066FF; --color-primary-light: #3388FF; --color-primary-dark: #0044CC; --color-secondary: #00D4AA; --color-secondary-light: #33DDBB; --color-accent: #7B2FFF; --color-accent-light: #9955FF; /* Backgrounds */ --color-bg-primary: #0A0E17; --color-bg-secondary: #141B2D; --color-bg-tertiary: #1A2332; --color-bg-card: #1E2A3A; --color-bg-card-hover: #243344; --color-bg-input: #0F1923; --color-bg-overlay: rgba(10, 14, 23, 0.85); /* Text Colors */ --color-text-primary: #E8EDF5; --color-text-secondary: #8892A4; --color-text-muted: #5A6577; --color-text-accent: #00D4AA; --color-text-link: #3388FF; /* Border & Divider */ --color-border: #2A3444; --color-border-light: #354455; --color-divider: #1E2A3A; /* Gradients */ --gradient-primary: linear-gradient(135deg, #0066FF 0%, #7B2FFF 100%); --gradient-secondary: linear-gradient(135deg, #00D4AA 0%, #0066FF 100%); --gradient-dark: linear-gradient(180deg, #0A0E17 0%, #141B2D 100%); --gradient-card: linear-gradient(145deg, #1E2A3A 0%, #141B2D 100%); --gradient-glow: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.15) 0%, transparent 70%); /* Shadows */ --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3); --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4); --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5); --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6); --shadow-glow: 0 0 20px rgba(0, 102, 255, 0.3); --shadow-glow-green: 0 0 20px rgba(0, 212, 170, 0.3); /* Scrollbar */ --scrollbar-track: #141B2D; --scrollbar-thumb: #2A3444; --scrollbar-thumb-hover: #354455; } /* ═══════════════════════════════════════════════════════════════ * THEME TOGGLE BUTTON * ═══════════════════════════════════════════════════════════════ */ .theme-toggle { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: var(--radius-full); background: var(--color-bg-card); border: 1px solid var(--color-border); cursor: pointer; transition: all var(--transition-base); color: var(--color-text-secondary); } .theme-toggle:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-bg-card-hover); } .theme-toggle svg { width: 18px; height: 18px; } /* Light mode: show moon icon, hide sun */ [data-theme="light-blue"] .theme-icon-sun { display: none; } [data-theme="light-blue"] .theme-icon-moon { display: block; } /* Dark mode: show sun icon, hide moon */ [data-theme="dark"] .theme-icon-sun { display: block; } [data-theme="dark"] .theme-icon-moon { display: none; } /* GTAIScience - Base Reset & Global Styles */ *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; } html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; } body { font-family: var(--font-family); font-size: var(--font-size-base); font-weight: var(--font-weight-normal); line-height: var(--line-height-normal); color: var(--color-text-primary); background-color: var(--color-bg-primary); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; } h1, h2, h3, h4, h5, h6 { font-weight: var(--font-weight-bold); line-height: var(--line-height-tight); color: var(--color-text-primary); } h1 { font-size: var(--font-size-5xl); } h2 { font-size: var(--font-size-4xl); } h3 { font-size: var(--font-size-3xl); } h4 { font-size: var(--font-size-2xl); } h5 { font-size: var(--font-size-xl); } h6 { font-size: var(--font-size-lg); } p { color: var(--color-text-secondary); line-height: var(--line-height-relaxed); } a { color: var(--color-text-link); text-decoration: none; transition: color var(--transition-fast); } a:hover { color: var(--color-primary-light); } img { max-width: 100%; height: auto; display: block; } ul, ol { list-style: none; } button { cursor: pointer; border: none; outline: none; font-family: inherit; font-size: inherit; background: none; color: inherit; } input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; background: none; color: inherit; } ::selection { background-color: var(--color-primary); color: white; } ::-webkit-scrollbar { width: 8px; height: 8px; } ::-webkit-scrollbar-track { background: var(--scrollbar-track); } ::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: var(--radius-full); } ::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); } /* Utility classes */ .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } .text-gradient { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; } .text-glow { text-shadow: 0 0 10px rgba(0, 102, 255, 0.5); } /* GTAIScience - Layout System */ .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--content-padding); } .container-fluid { width: 100%; padding: 0 var(--content-padding); } /* App Layout */ #app { min-height: 100vh; display: flex; flex-direction: column; } .main-content { flex: 1; padding-top: var(--header-height); } /* Header */ .site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-height); background: var(--color-bg-overlay); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); z-index: var(--z-fixed); transition: background var(--transition-base); } .header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 var(--content-padding); } .header-logo { display: flex; align-items: center; gap: var(--space-3); font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); color: var(--color-text-primary); } .header-logo img { height: 36px; width: auto; } .header-nav { display: flex; align-items: center; gap: var(--space-8); } .nav-link { position: relative; color: var(--color-text-secondary); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); padding: var(--space-2) 0; transition: color var(--transition-base); } .nav-link:hover, .nav-link.active { color: var(--color-text-primary); } .nav-link.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--gradient-primary); border-radius: var(--radius-full); } .header-actions { display: flex; align-items: center; gap: var(--space-4); } /* Mobile menu toggle */ .menu-toggle { display: none; flex-direction: column; gap: 5px; padding: var(--space-2); cursor: pointer; } .menu-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text-primary); transition: var(--transition-base); } /* Footer */ .site-footer { background: var(--color-bg-secondary); border-top: 1px solid var(--color-border); padding: var(--space-16) 0 var(--space-8); } .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-12); margin-bottom: var(--space-12); } .footer-brand { max-width: 320px; } .footer-brand p { margin-top: var(--space-4); font-size: var(--font-size-sm); } .footer-col h4 { font-size: var(--font-size-sm); font-weight: var(--font-weight-semibold); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-text-primary); margin-bottom: var(--space-4); } .footer-col ul li { margin-bottom: var(--space-2); } .footer-col ul li a { color: var(--color-text-secondary); font-size: var(--font-size-sm); transition: color var(--transition-fast); } .footer-col ul li a:hover { color: var(--color-primary-light); } .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-8); border-top: 1px solid var(--color-border); font-size: var(--font-size-sm); color: var(--color-text-muted); } /* Grid System */ .grid { display: grid; gap: var(--space-6); } .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } /* Flexbox utilities */ .flex { display: flex; } .flex-col { flex-direction: column; } .flex-center { align-items: center; justify-content: center; } .flex-between { justify-content: space-between; } .flex-wrap { flex-wrap: wrap; } .gap-2 { gap: var(--space-2); } .gap-4 { gap: var(--space-4); } .gap-6 { gap: var(--space-6); } .gap-8 { gap: var(--space-8); } /* Section spacing */ .section { padding: var(--space-20) 0; } .section-header { text-align: center; margin-bottom: var(--space-12); } .section-header h2 { margin-bottom: var(--space-4); } .section-header p { max-width: 600px; margin: 0 auto; font-size: var(--font-size-lg); } /* GTAIScience - Component Styles */ /* Buttons */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); padding: var(--space-3) var(--space-6); font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); border-radius: var(--radius-md); transition: all var(--transition-base); white-space: nowrap; cursor: pointer; } .btn-primary { background: var(--gradient-primary); color: white; box-shadow: var(--shadow-glow); } .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(0, 102, 255, 0.4); } .btn-secondary { background: var(--color-bg-card); color: var(--color-text-primary); border: 1px solid var(--color-border); } .btn-secondary:hover { background: var(--color-bg-card-hover); border-color: var(--color-primary); } .btn-outline { background: transparent; color: var(--color-primary); border: 1px solid var(--color-primary); } .btn-outline:hover { background: var(--color-primary); color: white; } .btn-lg { padding: var(--space-4) var(--space-8); font-size: var(--font-size-base); border-radius: var(--radius-lg); } .btn-sm { padding: var(--space-2) var(--space-4); font-size: var(--font-size-xs); } /* Cards */ .card { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-6); transition: all var(--transition-base); } .card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); transform: translateY(-2px); } .card-image { width: 100%; height: 200px; object-fit: cover; border-radius: var(--radius-md); margin-bottom: var(--space-4); background: var(--color-bg-secondary); } .card-title { font-size: var(--font-size-lg); font-weight: var(--font-weight-semibold); margin-bottom: var(--space-2); } .card-description { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: var(--line-height-relaxed); } .card-footer { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; } /* Tags */ .tag { display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3); font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); border-radius: var(--radius-full); background: rgba(0, 102, 255, 0.1); color: var(--color-primary-light); border: 1px solid rgba(0, 102, 255, 0.2); } .tag-green { background: rgba(0, 212, 170, 0.1); color: var(--color-secondary); border-color: rgba(0, 212, 170, 0.2); } /* Form elements */ .form-group { margin-bottom: var(--space-5); } .form-label { display: block; font-size: var(--font-size-sm); font-weight: var(--font-weight-medium); color: var(--color-text-secondary); margin-bottom: var(--space-2); } .form-input { width: 100%; padding: var(--space-3) var(--space-4); background: var(--color-bg-input); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text-primary); transition: border-color var(--transition-fast); } .form-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1); } .form-input::placeholder { color: var(--color-text-muted); } .form-textarea { min-height: 120px; resize: vertical; } /* Modal */ .modal-overlay { position: fixed; inset: 0; background: var(--color-bg-overlay); z-index: var(--z-modal-backdrop); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all var(--transition-base); } .modal-overlay.active { opacity: 1; visibility: visible; } .modal { background: var(--color-bg-tertiary); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-8); max-width: 560px; width: 90%; max-height: 85vh; overflow-y: auto; transform: scale(0.95); transition: transform var(--transition-base); } .modal-overlay.active .modal { transform: scale(1); } .modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-6); } .modal-close { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-full); color: var(--color-text-secondary); transition: all var(--transition-fast); } .modal-close:hover { background: var(--color-bg-card); color: var(--color-text-primary); } /* Toast notifications */ .toast-container { position: fixed; top: var(--space-6); right: var(--space-6); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-3); } .toast { padding: var(--space-4) var(--space-6); background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); animation: slideInRight 0.3s ease; max-width: 360px; } .toast-success { border-left: 3px solid var(--color-success); } .toast-error { border-left: 3px solid var(--color-error); } .toast-warning { border-left: 3px solid var(--color-warning); } .toast-info { border-left: 3px solid var(--color-info); } /* Language switcher */ .lang-switcher { display: flex; align-items: center; gap: var(--space-1); background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: var(--radius-full); padding: var(--space-1); } .lang-btn { padding: var(--space-1) var(--space-3); font-size: var(--font-size-xs); font-weight: var(--font-weight-medium); border-radius: var(--radius-full); color: var(--color-text-secondary); transition: all var(--transition-fast); } .lang-btn.active { background: var(--color-primary); color: white; } .lang-btn:hover:not(.active) { color: var(--color-text-primary); } /* Loading spinner */ .spinner { width: 40px; height: 40px; border: 3px solid var(--color-border); border-top-color: var(--color-primary); border-radius: 50%; animation: spin 0.8s linear infinite; } /* Pagination */ .pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin-top: var(--space-8); } .pagination-btn { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); font-size: var(--font-size-sm); color: var(--color-text-secondary); background: var(--color-bg-card); border: 1px solid var(--color-border); transition: all var(--transition-fast); } .pagination-btn:hover, .pagination-btn.active { background: var(--color-primary); color: white; border-color: var(--color-primary); } /* GTAIScience - Page-specific Styles */ /* Hero Section */ .hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; } .hero-bg { position: absolute; inset: 0; background: var(--gradient-dark); } .hero-bg::after { content: ''; position: absolute; inset: 0; background: var(--gradient-glow); } .hero-content { position: relative; z-index: 1; max-width: 800px; padding: var(--space-8); } .hero-title { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: var(--font-weight-bold); margin-bottom: var(--space-6); line-height: 1.1; } .hero-subtitle { font-size: clamp(1rem, 2vw, 1.25rem); color: var(--color-text-secondary); margin-bottom: var(--space-8); max-width: 600px; margin-left: auto; margin-right: auto; } .hero-actions { display: flex; gap: var(--space-4); justify-content: center; flex-wrap: wrap; } /* Technology page */ .tech-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-6); } .tech-card { position: relative; padding: var(--space-8); background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition-base); } .tech-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--gradient-primary); opacity: 0; transition: opacity var(--transition-base); } .tech-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); } .tech-card:hover::before { opacity: 1; } .tech-icon { width: 48px; height: 48px; margin-bottom: var(--space-4); color: var(--color-primary); } /* Products page */ .products-layout { display: grid; grid-template-columns: 260px 1fr; gap: var(--space-8); } .product-sidebar { position: sticky; top: calc(var(--header-height) + var(--space-6)); align-self: start; } .category-tree { background: var(--color-bg-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); } .category-item { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); font-size: var(--font-size-sm); color: var(--color-text-secondary); cursor: pointer; transition: all var(--transition-fast); } .category-item:hover, .category-item.active { background: rgba(0, 102, 255, 0.1); color: var(--color-primary-light); } .products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-6); } .product-card { background: var(--gradient-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; transition: all var(--transition-base); } .product-card:hover { border-color: var(--color-primary); transform: translateY(-3px); box-shadow: var(--shadow-glow); } .product-card-image { width: 100%; height: 200px; object-fit: cover; background: var(--color-bg-tertiary); } .product-card-body { padding: var(--space-5); } .product-card-title { font-size: var(--font-size-base); font-weight: var(--font-weight-semibold); margin-bottom: var(--space-2); } .product-card-desc { font-size: var(--font-size-sm); color: var(--color-text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; } /* Media Gallery */ .gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: var(--space-4); } .gallery-item { position: relative; aspect-ratio: 4/3; border-radius: var(--radius-md); overflow: hidden; cursor: pointer; } .gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); } .gallery-item:hover img { transform: scale(1.05); } .gallery-item-overlay { position: absolute; inset: 0; background: linear-gradient(transparent 50%, rgba(0,0,0,0.7)); opacity: 0; transition: opacity var(--transition-base); display: flex; align-items: flex-end; padding: var(--space-4); } .gallery-item:hover .gallery-item-overlay { opacity: 1; } /* Lightbox */ .lightbox { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.95); z-index: var(--z-modal); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all var(--transition-base); } .lightbox.active { opacity: 1; visibility: visible; } .lightbox-image { max-width: 90vw; max-height: 85vh; object-fit: contain; border-radius: var(--radius-md); } .lightbox-close, .lightbox-prev, .lightbox-next { position: absolute; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-full); background: var(--color-bg-card); color: var(--color-text-primary); font-size: var(--font-size-xl); cursor: pointer; transition: all var(--transition-fast); } .lightbox-close { top: var(--space-6); right: var(--space-6); } .lightbox-prev { left: var(--space-6); top: 50%; transform: translateY(-50%); } .lightbox-next { right: var(--space-6); top: 50%; transform: translateY(-50%); } .lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--color-primary); } /* About page - Timeline */ .timeline { position: relative; padding-left: var(--space-8); } .timeline::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--color-border); } .timeline-item { position: relative; padding-bottom: var(--space-8); } .timeline-item::before { content: ''; position: absolute; left: calc(-1 * var(--space-8) - 5px); top: 6px; width: 12px; height: 12px; background: var(--color-primary); border-radius: 50%; box-shadow: 0 0 10px rgba(0, 102, 255, 0.5); } .timeline-date { font-size: var(--font-size-sm); color: var(--color-primary-light); font-weight: var(--font-weight-medium); margin-bottom: var(--space-2); } /* Contact page */ .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); } .contact-info-item { display: flex; gap: var(--space-4); padding: var(--space-4) 0; border-bottom: 1px solid var(--color-border); } .contact-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(0, 102, 255, 0.1); border-radius: var(--radius-md); color: var(--color-primary); flex-shrink: 0; } /* GTAIScience - Responsive Breakpoints */ /* Tablet (768px - 1023px) */ @media (max-width: 1023px) { :root { --content-padding: var(--space-5); } .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); } .products-layout { grid-template-columns: 1fr; } .product-sidebar { position: static; } .contact-grid { grid-template-columns: 1fr; } .hero-title { font-size: 2.5rem; } } /* Mobile (< 768px) */ @media (max-width: 767px) { :root { --content-padding: var(--space-4); --header-height: 60px; } h1 { font-size: var(--font-size-3xl); } h2 { font-size: var(--font-size-2xl); } h3 { font-size: var(--font-size-xl); } .header-nav { display: none; position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0; flex-direction: column; background: var(--color-bg-primary); padding: var(--space-8); gap: var(--space-6); z-index: var(--z-fixed); } .header-nav.mobile-open { display: flex; } .menu-toggle { display: flex; } .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } .footer-grid { grid-template-columns: 1fr; gap: var(--space-6); } .footer-bottom { flex-direction: column; gap: var(--space-4); text-align: center; } .hero { min-height: 80vh; } .hero-actions { flex-direction: column; align-items: center; } .section { padding: var(--space-12) 0; } .section-header { margin-bottom: var(--space-8); } .tech-grid { grid-template-columns: 1fr; } .products-grid { grid-template-columns: 1fr; } .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); } .lang-switcher { order: -1; } .toast-container { right: var(--space-3); left: var(--space-3); } .toast { max-width: 100%; } .modal { width: 95%; padding: var(--space-6); } } /* Small Mobile (< 480px) */ @media (max-width: 479px) { .gallery-grid { grid-template-columns: 1fr; } .hero-title { font-size: 2rem; } .btn-lg { width: 100%; } } /* Wide Screen (>= 1440px) */ @media (min-width: 1440px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } .products-grid { grid-template-columns: repeat(3, 1fr); } .gallery-grid { grid-template-columns: repeat(4, 1fr); } } /* Ultra Wide (>= 1920px) */ @media (min-width: 1920px) { :root { --container-max: 1600px; } .gallery-grid { grid-template-columns: repeat(5, 1fr); } } /* GTAIScience - Animations & Transitions */ /* Keyframes */ @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } } @keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } } @keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } } @keyframes slideInRight { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } } @keyframes slideInLeft { from { opacity: 0; transform: translateX(-100px); } to { opacity: 1; transform: translateX(0); } } @keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } } @keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } @keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } } @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } } @keyframes glow { 0%, 100% { box-shadow: 0 0 5px rgba(0, 102, 255, 0.3); } 50% { box-shadow: 0 0 20px rgba(0, 102, 255, 0.6); } } @keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } } @keyframes typewriter { from { width: 0; } to { width: 100%; } } /* Animation classes */ .animate-fade-in { animation: fadeIn 0.6s ease both; } .animate-fade-in-up { animation: fadeInUp 0.6s ease both; } .animate-fade-in-down { animation: fadeInDown 0.6s ease both; } .animate-scale-in { animation: scaleIn 0.4s ease both; } .animate-float { animation: float 3s ease-in-out infinite; } .animate-glow { animation: glow 2s ease-in-out infinite; } .animate-pulse { animation: pulse 2s ease-in-out infinite; } /* Staggered animation delays */ .stagger-1 { animation-delay: 0.1s; } .stagger-2 { animation-delay: 0.2s; } .stagger-3 { animation-delay: 0.3s; } .stagger-4 { animation-delay: 0.4s; } .stagger-5 { animation-delay: 0.5s; } .stagger-6 { animation-delay: 0.6s; } /* Scroll-triggered animations (initial state) */ .reveal { opacity: 0; transform: translateY(30px); transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1); } .reveal.visible { opacity: 1; transform: translateY(0); } .reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1); } .reveal-left.visible { opacity: 1; transform: translateX(0); } .reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1); } .reveal-right.visible { opacity: 1; transform: translateX(0); } /* Hero particle canvas styles */ #hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; } /* Gradient text animation */ .gradient-text-animated { background: linear-gradient(90deg, #0066FF, #00D4AA, #7B2FFF, #0066FF); background-size: 300% 100%; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; animation: gradientShift 4s ease infinite; } /* Hover effects */ .hover-lift { transition: transform var(--transition-base), box-shadow var(--transition-base); } .hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); } .hover-glow { transition: box-shadow var(--transition-base); } .hover-glow:hover { box-shadow: var(--shadow-glow); } /* Page transition */ .page-enter { opacity: 0; transform: translateY(10px); } .page-enter-active { opacity: 1; transform: translateY(0); transition: all 0.3s ease; } .page-leave { opacity: 1; } .page-leave-active { opacity: 0; transition: opacity 0.15s ease; } /* Reduce motion for accessibility */ @media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; } .reveal, .reveal-left, .reveal-right { opacity: 1; transform: none; } }