/* --------------------------------------------------------- Design tokens — single source of truth for colors, type, and spacing. Change values here, not at call sites. --------------------------------------------------------- */ :root { --bg: #0a0b0f; --bg-elevated: #13151c; --bg-elevated-hover: #191c25; --border: #22262f; --text: #e9ebf1; --text-muted: #9aa0ae; --text-faint: #676d7a; --accent: #3b82f6; --accent-soft: rgba(59, 130, 246, 0.14); --accent-border: rgba(59, 130, 246, 0.35); --nav-bg: rgba(10, 11, 15, 0.75); --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px; --radius-sm: 6px; --radius-md: 10px; --radius-lg: 16px; --nav-height: 72px; --content-max-width: 1240px; --transition: 220ms cubic-bezier(0.4, 0, 0.2, 1); color-scheme: dark; } /* Light theme — applied via [data-theme="light"] on , set by the inline script in (before paint, to avoid a flash) and toggled by .theme-toggle in script.js. Absence of the attribute means dark, so dark stays the default for anyone without JS. */ :root[data-theme="light"] { --bg: #ffffff; --bg-elevated: #f3f4f7; --bg-elevated-hover: #e9ebf0; --border: #dfe1e6; --text: #14161c; --text-muted: #565b66; --text-faint: #8a8f99; --accent: #1d4ed8; --accent-soft: rgba(29, 78, 216, 0.10); --accent-border: rgba(29, 78, 216, 0.30); --nav-bg: rgba(255, 255, 255, 0.75); color-scheme: light; } * { box-sizing: border-box; } html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; } body { display: flex; flex-direction: column; min-height: 100vh; } /* Faint ambient glow + grain — decorative, sits behind all content */ body::before, body::after { content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none; } body::before { background: radial-gradient(600px 500px at 85% 0%, var(--accent-soft), transparent 60%), radial-gradient(500px 400px at 0% 100%, rgba(59, 130, 246, 0.08), transparent 60%); } body::after { opacity: 0.035; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); } /* --------------------------------------------------------- Scroll-reveal (hero, project categories) --------------------------------------------------------- */ .reveal { opacity: 0; transform: translateY(14px); transition: opacity 600ms ease, transform 600ms ease; } .reveal.in-view { opacity: 1; transform: translateY(0); } .category.reveal:nth-of-type(1) { transition-delay: 0ms; } .category.reveal:nth-of-type(2) { transition-delay: 80ms; } .category.reveal:nth-of-type(3) { transition-delay: 160ms; } a { color: inherit; text-decoration: none; } ul { list-style: none; margin: 0; padding: 0; } /* --------------------------------------------------------- Nav — fixed top bar, present on every page --------------------------------------------------------- */ .nav { position: fixed; top: 0; left: 0; right: 0; z-index: 10; height: var(--nav-height); display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-7); background: var(--nav-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); } .nav-wordmark { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); } .nav-links { display: flex; gap: var(--space-6); } .nav-link { position: relative; padding: 4px 0; font-size: 14px; font-weight: 600; color: var(--text-muted); transition: color var(--transition); } .nav-link:hover { color: var(--text); } .nav-link.is-active { color: var(--accent); } .nav-link.is-active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; border-radius: 2px; background: var(--accent); } .theme-toggle { position: relative; flex-shrink: 0; width: 52px; height: 28px; padding: 0; margin: 0; border: 1px solid var(--border); border-radius: 999px; background: var(--bg-elevated); cursor: pointer; transition: border-color var(--transition); } .theme-toggle:hover { border-color: var(--accent-border); } .theme-toggle-icon { position: absolute; top: 50%; width: 14px; height: 14px; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; } .theme-toggle-icon-sun { left: 6px; } .theme-toggle-icon-moon { right: 6px; } .theme-toggle-thumb { position: absolute; top: 3px; left: 29px; width: 20px; height: 20px; border-radius: 50%; background: var(--accent); box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3); transition: left var(--transition); } /* Thumb position is driven directly by the root theme attribute (not the button's own state), since that attribute is already set synchronously before paint by the inline head script — this avoids any flash/jump on page load that driving it off aria-checked + JS would risk. */ :root[data-theme="light"] .theme-toggle-thumb { left: 3px; } /* --------------------------------------------------------- Reusable section heading (Experience / Education / etc.) --------------------------------------------------------- */ .section-heading { font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 var(--space-4); } .timeline-item { display: flex; align-items: center; gap: var(--space-3); padding-bottom: var(--space-3); margin-bottom: var(--space-3); border-bottom: 1px solid var(--border); } .timeline-item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; } .timeline-logo { flex-shrink: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius-sm); background: #fff; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition); } .timeline-logo img { width: 100%; height: 100%; object-fit: contain; display: block; } .timeline-item:hover .timeline-logo { transform: translateY(-5px); border-color: var(--accent-border); box-shadow: 0 16px 26px -10px rgba(59, 130, 246, 0.5); } .timeline-text { min-width: 0; } .timeline-org { font-size: 14px; font-weight: 700; line-height: 1.4; color: var(--text); } .timeline-title { font-size: 13px; color: var(--text-muted); margin-top: 2px; line-height: 1.4; } /* --------------------------------------------------------- Main / hero --------------------------------------------------------- */ .main { flex: 1 0 auto; padding: calc(var(--nav-height) + var(--space-7)) var(--space-7) var(--space-8); max-width: var(--content-max-width); width: 100%; margin: 0 auto; } .hero { margin-bottom: var(--space-6); } .eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); margin: 0 0 var(--space-3); } .name { font-size: clamp(32px, 4vw, 44px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 var(--space-4); } .headline { font-size: 20px; font-weight: 500; line-height: 1.55; color: var(--text); max-width: 44ch; margin: 0; padding-left: var(--space-4); border-left: 2px solid var(--accent); } .role-highlight { display: inline-flex; flex-direction: column; gap: 4px; margin-top: var(--space-5); padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); background: var(--accent-soft); border: 1px solid var(--accent-border); } .role-highlight-line { font-size: 14px; font-weight: 600; color: var(--text); } .role-highlight-line.is-secondary { font-weight: 500; color: var(--text-muted); } /* --------------------------------------------------------- Buttons --------------------------------------------------------- */ .btn { display: inline-flex; align-items: center; gap: var(--space-2); padding: 13px 24px; border-radius: var(--radius-md); font-size: 14px; font-weight: 600; font-family: var(--font-sans); border: 1px solid transparent; cursor: pointer; transition: transform var(--transition), box-shadow var(--transition); } .btn-primary { background: var(--accent); color: var(--bg); } .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -12px rgba(59, 130, 246, 0.5); } /* --------------------------------------------------------- Projects — accordion categories --------------------------------------------------------- */ .projects { margin-top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4); } .projects-heading { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin: 0; } .category { border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-elevated); overflow: hidden; } .category-toggle { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: var(--space-5); background: transparent; border: none; color: var(--text); font-family: var(--font-sans); font-size: 16px; font-weight: 600; cursor: pointer; transition: background var(--transition); } .category-toggle:hover { background: var(--bg-elevated-hover); } .category-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; } .category-icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; } .category-icon::before, .category-icon::after { content: ''; position: absolute; top: 50%; left: 50%; background: var(--accent); transform: translate(-50%, -50%); transition: transform var(--transition); } .category-icon::before { width: 12px; height: 2px; } .category-icon::after { width: 2px; height: 12px; } .category-toggle[aria-expanded="true"] .category-icon::after { transform: translate(-50%, -50%) rotate(90deg) scale(0); } .category-panel { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--space-4); padding: 0 var(--space-5) var(--space-5); max-height: 0; opacity: 0; overflow: hidden; transition: max-height var(--transition), opacity var(--transition), padding var(--transition); } .category-panel.is-open { max-height: 2000px; opacity: 1; } .category-panel[hidden] { display: none; } /* Project card */ .project-card { /* Caps how wide a single grid item can stretch when auto-fit collapses unused tracks (e.g. a category with only one project) — without this, a lone card would stretch to fill the entire row instead of matching the card width seen when a row has enough cards to fill it on their own (2-4 cards, e.g. Worldline/ESSEC & GrowthX). Below this cap, multi-card rows are unaffected since their natural stretched width already comes in under it. */ max-width: 360px; border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-4); background: var(--bg); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); } .project-card:hover { transform: translateY(-3px); border-color: var(--accent-border); box-shadow: 0 12px 24px -12px rgba(59, 130, 246, 0.35); } .category-panel.is-open .project-card { animation: card-in 420ms cubic-bezier(0.4, 0, 0.2, 1) both; } .category-panel.is-open .project-card:nth-child(1) { animation-delay: 60ms; } .category-panel.is-open .project-card:nth-child(2) { animation-delay: 120ms; } .category-panel.is-open .project-card:nth-child(3) { animation-delay: 180ms; } .category-panel.is-open .project-card:nth-child(4) { animation-delay: 240ms; } @keyframes card-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } .project-thumb { aspect-ratio: 16 / 9; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); margin-bottom: var(--space-3); } .project-thumb iframe { width: 100%; height: 100%; border: none; /* The PDF preview is a separate document, so clicks inside it wouldn't otherwise reach the enclosing card-link. Since the toolbar is already hidden, there's no interactive PDF chrome to preserve here anyway. */ pointer-events: none; } .project-thumb-placeholder { display: flex; align-items: center; justify-content: center; background: radial-gradient(circle at center, var(--accent-soft) 0%, transparent 70%), var(--bg-elevated); } .project-thumb-glyph { font-size: 32px; font-weight: 700; color: var(--accent); opacity: 0.45; } .project-thumb-icon { width: 42px; height: 42px; color: var(--accent); opacity: 0.65; } .project-title { font-size: 15px; font-weight: 700; margin: 0 0 var(--space-2); } .project-blurb { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin: 0 0 var(--space-3); } .project-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-3); } .project-tag { font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); } .project-card-link { display: block; color: inherit; text-decoration: none; } .project-download-btn { display: flex; justify-content: center; width: 100%; margin-top: var(--space-3); padding: 8px 16px; font-size: 12px; background: transparent; border-color: var(--accent-border); color: var(--accent); } .project-download-btn:hover { background: var(--accent-soft); transform: translateY(-2px); } .category-empty { grid-column: 1 / -1; text-align: center; color: var(--text-muted); font-size: 14px; padding: var(--space-6) 0; } /* --------------------------------------------------------- About page --------------------------------------------------------- */ .about-intro { display: flex; align-items: flex-start; gap: var(--space-7); margin-bottom: var(--space-8); } .about-photo { flex-shrink: 0; width: 220px; height: 220px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: var(--bg-elevated); } .about-photo img { width: 100%; height: 100%; object-fit: cover; display: block; } .about-intro-text p { font-size: 16px; line-height: 1.75; color: var(--text-muted); max-width: 60ch; margin: var(--space-4) 0 0; } .text-accent { color: var(--accent); font-weight: 600; } .about-columns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-7); margin-bottom: var(--space-8); } .hobbies-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); } .hobby { padding: var(--space-4); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-elevated); } .hobby-icon { width: 26px; height: 26px; color: var(--accent); margin-bottom: var(--space-3); } .hobby-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: var(--space-1); } .hobby-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; } /* --------------------------------------------------------- Contact page --------------------------------------------------------- */ .contact-headline { font-size: clamp(24px, 3vw, 32px); font-weight: 600; line-height: 1.4; max-width: 32ch; margin: 0 0 var(--space-7); } .contact-list { display: flex; flex-direction: column; gap: var(--space-3); max-width: 460px; } .contact-row { display: flex; align-items: center; justify-content: space-between; padding: var(--space-4) var(--space-5); border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-elevated); transition: transform var(--transition), border-color var(--transition); } .contact-row:hover { transform: translateY(-2px); border-color: var(--accent-border); } .contact-row-label { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); } .contact-row-value { font-size: 15px; font-weight: 600; color: var(--text); } /* --------------------------------------------------------- Footer --------------------------------------------------------- */ .site-footer { flex-shrink: 0; width: 100%; display: flex; align-items: center; justify-content: center; gap: var(--space-3); padding: var(--space-6); border-top: 1px solid var(--border); font-size: 13px; color: var(--text-muted); } .site-footer a { position: relative; transition: color var(--transition); } .site-footer a::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 100%; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); } .site-footer a:hover { color: var(--accent); } .site-footer a:hover::after { transform: scaleX(1); } .footer-sep { color: var(--text-faint); } /* --------------------------------------------------------- Responsive --------------------------------------------------------- */ @media (max-width: 800px) { .nav { padding: 0 var(--space-4); } .nav-links { gap: var(--space-4); } .main { padding: calc(var(--nav-height) + var(--space-5)) var(--space-4) var(--space-6); } .about-intro { flex-direction: column-reverse; gap: var(--space-5); } .about-photo { width: 140px; height: 140px; } .about-columns { grid-template-columns: 1fr; gap: var(--space-6); } .hobbies-list { grid-template-columns: 1fr; } }