/* TCG Virtual Players — Landing page design system. * Light/dark theme via . * Follows the VIP Research Group project-landing pattern. */ :root, :root[data-theme="light"] { --bg: #f4f6fb; --bg-gradient: radial-gradient(1200px 600px at 80% -10%, rgba(52, 97, 224, 0.10), transparent 60%); --panel: #ffffff; --panel-2: #f0f3f9; --border: #dde3ee; --text: #1c2333; --muted: #5d6980; --accent: #3461e0; --accent-soft: rgba(52, 97, 224, 0.10); --accent-2: #7c3aed; --accent-2-soft: rgba(124, 58, 237, 0.10); --ok: #15803d; --ok-soft: rgba(21, 128, 61, 0.12); --warn: #b45309; --bad: #dc2626; --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 16px rgba(16, 24, 40, 0.06); --input-bg: #ffffff; color-scheme: light; } :root[data-theme="dark"] { --bg: #0e1117; --bg-gradient: radial-gradient(1200px 600px at 80% -10%, rgba(79, 124, 255, 0.12), transparent 60%); --panel: #171b24; --panel-2: #1f2430; --border: #2a3040; --text: #e7eaf1; --muted: #98a1b3; --accent: #6c8cff; --accent-soft: rgba(108, 140, 255, 0.14); --accent-2: #a78bfa; --accent-2-soft: rgba(167, 139, 250, 0.14); --ok: #4ade80; --ok-soft: rgba(74, 222, 128, 0.14); --warn: #fbbf24; --bad: #f87171; --shadow: 0 1px 2px rgba(0, 0, 0, 0.35), 0 6px 20px rgba(0, 0, 0, 0.30); --input-bg: #11141c; color-scheme: dark; } * { box-sizing: border-box; } html { height: 100%; scroll-behavior: smooth; } body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; font-family: "Segoe UI Variable", "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 15px; line-height: 1.55; background: var(--bg); background-image: var(--bg-gradient); background-attachment: fixed; color: var(--text); overflow-x: hidden; transition: background-color 0.2s ease, color 0.2s ease; } a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; } h1, h2, h3 { line-height: 1.25; } section[id] { scroll-margin-top: 70px; } /* ── Topbar ── */ .topbar { position: sticky; top: 0; z-index: 50; background: var(--panel); border-bottom: 1px solid var(--border); box-shadow: var(--shadow); } .topbar-row { display: flex; align-items: center; gap: 0.9rem; padding: 0.55rem 1.25rem; max-width: 1200px; margin: 0 auto; } .brand { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--text); font-weight: 700; font-size: 1rem; } .brand:hover { text-decoration: none; } .brand-logo { border-radius: 6px; } .brand-name span { color: var(--muted); font-weight: 500; } .landing-nav { display: flex; align-items: center; gap: 0.15rem; flex-wrap: wrap; } .landing-nav a { padding: 0.35rem 0.65rem; border-radius: 8px; color: var(--text); font-size: 0.86rem; font-weight: 500; } .landing-nav a:hover { background: var(--accent-soft); color: var(--accent); text-decoration: none; } .spacer { flex: 1; } .theme-toggle { display: inline-grid; place-items: center; width: 34px; height: 34px; padding: 0; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-2); color: var(--text); font-size: 1rem; cursor: pointer; } .theme-toggle:hover { border-color: var(--accent); } :root[data-theme="light"] .icon-sun { display: none; } :root[data-theme="dark"] .icon-moon { display: none; } .hamburger { display: none; flex-direction: column; justify-content: center; gap: 4px; width: 34px; height: 34px; padding: 6px; border: 1px solid var(--border); border-radius: 9px; background: var(--panel-2); cursor: pointer; } .hamburger span { display: block; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; } .hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); } .hamburger.open span:nth-child(2) { opacity: 0; } .hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); } /* ── Buttons ── */ .btn { display: inline-block; padding: 0.5rem 1rem; background: var(--accent); color: #fff; border: 1px solid transparent; border-radius: 9px; cursor: pointer; font-size: 0.88rem; font-weight: 600; font-family: inherit; transition: filter 0.12s ease; text-decoration: none; } .btn:hover { filter: brightness(1.08); text-decoration: none; } .btn.secondary { background: var(--panel-2); color: var(--text); border-color: var(--border); } .btn.secondary:hover { border-color: var(--accent); color: var(--accent); } .btn.ghost { background: transparent; color: var(--text); border-color: var(--border); } .btn.ghost:hover { border-color: var(--accent); color: var(--accent); } /* ── Container ── */ .container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 1.5rem 1.25rem 2.5rem; flex: 1; min-width: 0; } /* ── Hero ── */ .landing-hero { position: relative; overflow: hidden; } .landing-hero::before { content: ''; position: absolute; inset: 0; z-index: 0; background-image: radial-gradient(circle 3px at center, var(--accent) 2.5px, transparent 3px), linear-gradient(0deg, transparent 49.3%, var(--accent) 49.3%, var(--accent) 50.7%, transparent 50.7%), linear-gradient(90deg, transparent 49.3%, var(--accent) 49.3%, var(--accent) 50.7%, transparent 50.7%); background-size: 56px 56px; background-position: 28px 28px, 0 0, 0 0; opacity: 0.10; } :root[data-theme="dark"] .landing-hero::before { opacity: 0.12; } .landing-hero::after { content: ''; position: absolute; z-index: 1; top: 5%; left: 20%; width: 60%; height: 80%; background: radial-gradient(ellipse at center, var(--accent) 0%, transparent 65%); opacity: 0.12; filter: blur(70px); pointer-events: none; } :root[data-theme="dark"] .landing-hero::after { opacity: 0.15; } .landing-hero > .container { position: relative; z-index: 2; } .hero { display: block; max-width: 820px; margin: 0 auto; text-align: center; padding: 3.5rem 0 3rem; } .hero .eyebrow { display: inline-block; margin-bottom: 1rem; padding: 0.3rem 0.85rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; } .hero h1 { margin: 0 0 1.25rem; font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1.1; letter-spacing: -0.03em; } .hero h1 .accent { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; } .hero .lede { color: var(--muted); font-size: 1.1rem; line-height: 1.6; max-width: 58ch; margin: 0 auto 2rem; } .hero-cta { display: flex; gap: 0.75rem; justify-content: center; margin-bottom: 2.75rem; flex-wrap: wrap; } .hero-cta .btn { padding: 0.65rem 1.5rem; font-size: 1rem; } .feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin: 0; padding: 0; list-style: none; text-align: left; } .feature-list li { display: flex; flex-direction: column; gap: 0.5rem; padding: 1.15rem; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; } .feature-icon { flex: none; display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-size: 1.1rem; } .feature-list strong { display: block; font-size: 0.92rem; } .feature-list small { color: var(--muted); font-size: 0.84rem; line-height: 1.45; } /* ── Sections ── */ .landing-section { padding: 3.5rem 0; } .section-alt { background: var(--panel-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); } .section-title { text-align: center; margin-bottom: 2.25rem; } .section-title span { display: inline-block; margin-bottom: 0.5rem; padding: 0.2rem 0.8rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; } .section-title h2 { margin: 0; font-size: 1.7rem; letter-spacing: -0.02em; } .text-panel { max-width: 60rem; margin: 0 auto; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 1.5rem 1.75rem; box-shadow: var(--shadow); } .text-panel p { margin: 0 0 1rem; } .text-panel p:last-child { margin-bottom: 0; } .workflow-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin-top: 1.5rem; } .workflow-item { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem 1.3rem; box-shadow: var(--shadow); } .workflow-icon, .access-icon, .info-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 11px; background: var(--accent-soft); color: var(--accent); font-size: 1.25rem; margin-bottom: 0.6rem; } .workflow-item h3, .info-card h3 { margin: 0 0 0.4rem; font-size: 1rem; text-transform: none; letter-spacing: 0; color: var(--text); } .workflow-item p, .info-card p { margin: 0; color: var(--muted); font-size: 0.9rem; } /* ── Access panel ── */ .access-panel { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; max-width: 60rem; margin: 0 auto; } .access-option { display: flex; flex-direction: column; gap: 0.3rem; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 1.4rem; box-shadow: var(--shadow); color: var(--text); transition: border-color 0.15s ease, transform 0.15s ease; } .access-option:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; } .access-option strong { font-size: 1.02rem; } .access-option > span:last-child { color: var(--muted); font-size: 0.88rem; } /* ── Info grid ── */ .info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; max-width: 60rem; margin: 0 auto; } .info-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 1.4rem; box-shadow: var(--shadow); } /* ── Team ── */ .team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1rem; max-width: 64rem; margin: 0 auto; } .team-card { display: flex; gap: 1rem; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 1.25rem; box-shadow: var(--shadow); } .team-card-supervisor { border-color: var(--accent-2); } .team-avatar { flex: none; display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 1.2rem; font-weight: 700; border: 2px solid var(--border); } .team-card-supervisor .team-avatar { background: var(--accent-2-soft); color: var(--accent-2); border-color: var(--accent-2); } .team-photo { flex: none; width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border); } .team-card-supervisor .team-photo { border-color: var(--accent-2); } .team-body h3 { margin: 0 0 0.15rem; font-size: 1.02rem; text-transform: none; letter-spacing: 0; color: var(--text); } .team-role { margin: 0 0 0.35rem; color: var(--accent); font-size: 0.84rem; font-weight: 600; } .team-card-supervisor .team-role { color: var(--accent-2); } .team-bio { margin: 0; color: var(--muted); font-size: 0.88rem; } /* ── FAQ ── */ .faq-list { max-width: 60rem; margin: 0 auto; display: grid; gap: 0.6rem; } .faq-item { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; } .faq-item summary { cursor: pointer; padding: 1rem 1.25rem; font-weight: 600; font-size: 0.95rem; list-style: none; display: flex; align-items: center; gap: 0.75rem; } .faq-item summary::before { content: ''; flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--accent-soft); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%233461e0' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 3v6M3 6h6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; transition: transform 0.2s ease; } :root[data-theme="dark"] .faq-item summary::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%236c8cff' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 3v6M3 6h6'/%3E%3C/svg%3E"); } .faq-item[open] summary::before { transform: rotate(45deg); } .faq-item summary::-webkit-details-marker { display: none; } .faq-item p { margin: 0; padding: 0 1.25rem 1rem 3rem; color: var(--muted); font-size: 0.9rem; line-height: 1.6; } /* ── Publications ── */ .empty-note { text-align: center; color: var(--muted); font-style: italic; } .pub-list { max-width: 60rem; margin: 0 auto; display: grid; gap: 0.75rem; } .pub-item { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 1.15rem 1.3rem; box-shadow: var(--shadow); } .pub-item h3 { margin: 0 0 0.3rem; font-size: 0.98rem; text-transform: none; letter-spacing: 0; color: var(--text); } .pub-authors { margin: 0 0 0.15rem; color: var(--muted); font-size: 0.85rem; } .pub-venue { margin: 0 0 0.4rem; color: var(--muted); font-size: 0.82rem; font-style: italic; } .pub-link { font-size: 0.84rem; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; } .pub-link .lucide { width: 14px; height: 14px; } /* ── Footer ── */ .footer { padding: 1.5rem 1.25rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.82rem; text-align: center; } .footer .container { display: flex; align-items: center; justify-content: space-between; padding: 0 1.25rem; flex-wrap: wrap; gap: 0.5rem; } /* ── Lucide icons ── */ .lucide { width: 1em; height: 1em; vertical-align: -0.125em; } .feature-icon .lucide, .workflow-icon .lucide, .access-icon .lucide, .info-icon .lucide { width: 20px; height: 20px; } /* ── Responsive ── */ @media (max-width: 768px) { .landing-nav { display: none; } .landing-nav.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--panel); border-bottom: 1px solid var(--border); padding: 0.5rem 1rem 1rem; box-shadow: var(--shadow); } .hamburger { display: flex; } .feature-list { grid-template-columns: 1fr; } .hero { padding: 2.5rem 0 2rem; } .hero h1 { font-size: 1.8rem; } .hero-cta { flex-direction: column; align-items: center; } .access-panel { grid-template-columns: 1fr; } .info-grid { grid-template-columns: 1fr; } .team-grid { grid-template-columns: 1fr; } .footer .container { flex-direction: column; text-align: center; } .pipeline-diagram { flex-direction: column; align-items: center; } .pipeline-arrow { transform: rotate(90deg); } } /* ── Pipeline diagram ─────────────────────────────────────────────────── */ .pipeline-diagram { display: flex; align-items: center; justify-content: center; gap: 0; flex-wrap: nowrap; margin: 0 auto; max-width: 900px; } .pipeline-stage { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 18px 16px; border-radius: 12px; cursor: pointer; transition: background .2s, transform .15s; min-width: 110px; text-align: center; } .pipeline-stage:hover, .pipeline-stage:focus { background: var(--card-bg, rgba(128,128,128,.1)); transform: translateY(-3px); outline: none; } .pipeline-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--accent, #58a6ff); color: #fff; } .pipeline-icon i { width: 22px; height: 22px; } .pipeline-stage strong { font-size: .92rem; } .pipeline-stage small { font-size: .75rem; opacity: .65; } .pipeline-arrow { font-size: 1.4rem; opacity: .4; padding: 0 2px; user-select: none; } .pipeline-info-box { max-width: 600px; margin: 18px auto 0; padding: 14px 20px; border-radius: 8px; background: var(--card-bg, rgba(128,128,128,.08)); font-size: .88rem; line-height: 1.5; text-align: center; }