/* ============================================================ Portfolio — Gaëtan De Toffoli Vanilla CSS. All theme tokens live in :root. Theming via [data-theme] on . Dark is the default. ============================================================ */ /* ---------- Design tokens ---------- */ :root { /* Color — dark theme (default) */ --bg: #0d1117; --bg-elev: #161b22; --bg-alt: #0a0e14; --text: #e6edf3; --text-muted: #9aa7b4; --border: #2a323d; --accent: #34d399; /* swap to #3DDC84 for an Android-green accent */ --accent-hover: #5ee0ae; --accent-contrast: #06251c; /* text/icon color on top of --accent */ --shadow: 0 12px 30px rgba(0, 0, 0, 0.45); /* Spacing scale */ --space-1: 0.5rem; --space-2: 1rem; --space-3: 1.5rem; --space-4: 2.5rem; --space-5: 4rem; --space-6: 6rem; /* Typography */ --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; --fs-h1: clamp(2.4rem, 5vw, 3.6rem); --fs-h2: clamp(1.7rem, 3.2vw, 2.3rem); --fs-h3: 1.2rem; --fs-lead: clamp(1.05rem, 2vw, 1.25rem); --fs-body: 1rem; --fs-small: 0.875rem; /* Layout */ --maxw: 1100px; --radius: 14px; --radius-sm: 8px; --nav-h: 64px; --transition: 200ms ease; } /* Light theme overrides */ [data-theme="light"] { --bg: #ffffff; --bg-elev: #f6f8fa; --bg-alt: #eef1f5; --text: #1f2328; --text-muted: #59636e; --border: #d0d7de; --accent: #047857; /* darker emerald: AA contrast on white */ --accent-hover: #059669; --accent-contrast: #ffffff; --shadow: 0 12px 30px rgba(140, 149, 159, 0.25); } /* ---------- Reset / base ---------- */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; } body { margin: 0; font-family: var(--font); font-size: var(--fs-body); line-height: 1.65; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; transition: background-color var(--transition), color var(--transition); } img { max-width: 100%; display: block; height: auto; } a { color: inherit; text-decoration: none; } h1, h2, h3 { line-height: 1.2; margin: 0; } ul { margin: 0; padding: 0; list-style: none; } :focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; } /* ---------- Layout helpers ---------- */ .container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--space-3); } .section { padding-block: var(--space-6); scroll-margin-top: var(--nav-h); } .section--alt { background: var(--bg-alt); } .section__head { max-width: 640px; margin-bottom: var(--space-4); } .section__title { font-size: var(--fs-h2); letter-spacing: -0.02em; } .section__subtitle { margin: var(--space-1) 0 0; color: var(--text-muted); font-size: var(--fs-lead); } /* ---------- Header / nav ---------- */ .site-header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); } .nav { max-width: var(--maxw); margin-inline: auto; min-height: var(--nav-h); padding-inline: var(--space-3); display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); } .nav__brand { display: inline-flex; align-items: center; gap: var(--space-1); font-weight: 600; } .nav__brand-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: var(--radius-sm); background: var(--accent); color: var(--accent-contrast); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.02em; } .nav__menu { display: flex; align-items: center; gap: var(--space-3); } .nav__link { color: var(--text-muted); font-weight: 500; transition: color var(--transition); } .nav__link:hover, .nav__link.is-active { color: var(--text); } .nav__link.is-active { color: var(--accent); } /* Theme toggle */ .theme-toggle { display: inline-grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-elev); color: var(--text); cursor: pointer; transition: border-color var(--transition), color var(--transition); } .theme-toggle:hover { border-color: var(--accent); color: var(--accent); } .theme-toggle__icon { display: none; } [data-theme="dark"] .theme-toggle__icon--sun { display: block; } [data-theme="light"] .theme-toggle__icon--moon { display: block; } /* Mobile menu toggle (hamburger) — hidden on desktop */ .nav__toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 40px; padding: 0 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-elev); cursor: pointer; } .nav__toggle-bar { height: 2px; width: 100%; background: var(--text); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); } /* ---------- Buttons ---------- */ .btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1); padding: 0.7rem 1.3rem; border-radius: var(--radius-sm); font-weight: 600; font-size: var(--fs-body); border: 1px solid transparent; cursor: pointer; transition: background-color var(--transition), border-color var(--transition), color var(--transition), transform var(--transition); } .btn:hover { transform: translateY(-1px); } .btn--primary { background: var(--accent); color: var(--accent-contrast); } .btn--primary:hover { background: var(--accent-hover); } .btn--ghost { background: transparent; color: var(--text); border-color: var(--border); } .btn--ghost:hover { border-color: var(--accent); color: var(--accent); } /* ---------- Hero ---------- */ .hero { padding-block: var(--space-6) var(--space-5); scroll-margin-top: var(--nav-h); } .hero__inner { display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: var(--space-5); } .hero__eyebrow { margin: 0 0 var(--space-2); color: var(--accent); font-weight: 600; font-size: var(--fs-small); letter-spacing: 0.04em; text-transform: uppercase; } .hero__title { font-size: var(--fs-h1); letter-spacing: -0.03em; } .hero__lead { margin: var(--space-2) 0 var(--space-4); max-width: 52ch; color: var(--text-muted); font-size: var(--fs-lead); } .hero__cta { display: flex; flex-wrap: wrap; gap: var(--space-2); } .hero__media { display: flex; justify-content: center; } .hero__avatar { width: min(280px, 70vw); height: auto; border-radius: var(--radius); box-shadow: var(--shadow); } /* ---------- Project cards ---------- */ .cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-3); } .card { display: flex; flex-direction: column; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); } .card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow); } .card__media { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; } .card__media--logo { object-fit: contain; padding: 2.5rem 3.5rem; background: #ffffff; } .card__media--logo-dark { object-fit: contain; padding: 2.5rem 3.5rem; background: #1e1e1e; } .card__body { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3); } .card__title { font-size: var(--fs-h3); } /* Kakeru banner: swap image on theme change */ .kakeru-banner--light { display: none; } [data-theme="light"] .kakeru-banner--dark { display: none; } [data-theme="light"] .kakeru-banner--light { display: block; } .card__title-ja { font-size: 0.85em; font-weight: 400; color: var(--text-muted); margin-left: 0.35em; } .card__text { margin: 0; color: var(--text-muted); } .card__links { display: flex; gap: var(--space-3); margin-top: auto; } .card__note { margin: auto 0 0; color: var(--text-muted); font-size: var(--fs-small); } .link { color: var(--accent); font-weight: 600; border-bottom: 1px solid transparent; transition: border-color var(--transition); } .link:hover { border-color: var(--accent); } .link--soon { color: var(--text-muted); font-weight: 600; font-size: var(--fs-small); cursor: default; opacity: 0.6; } /* Tags / chips */ .tags, .chips { display: flex; flex-wrap: wrap; gap: var(--space-1); } .tag, .chip { font-size: var(--fs-small); color: var(--text-muted); background: var(--bg-alt); border: 1px solid var(--border); padding: 0.25rem 0.6rem; border-radius: 999px; } .chip { color: var(--text); } /* ---------- Stack ---------- */ .stack { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-3); } .stack__group { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-3); } .stack__label { font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.04em; color: var(--accent); margin-bottom: var(--space-2); } /* ---------- About ---------- */ .about { display: grid; grid-template-columns: 220px 1fr; gap: var(--space-4); align-items: center; } .about__img { border-radius: var(--radius); box-shadow: var(--shadow); } .about__content p { margin: 0 0 var(--space-2); color: var(--text-muted); } .about__content .section__title { margin-bottom: var(--space-2); color: var(--text); } /* ---------- Contact ---------- */ .contact__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); } /* ---------- Footer ---------- */ .site-footer { border-top: 1px solid var(--border); padding-block: var(--space-3); color: var(--text-muted); font-size: var(--fs-small); } .site-footer__inner { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; justify-content: space-between; } .site-footer p { margin: 0; } /* ---------- Scroll reveal ---------- Hidden initial state only applies when JS is on (.js on ), so the page is fully visible if JS is disabled. */ .js .reveal { opacity: 0; transform: translateY(20px); transition: opacity 600ms ease, transform 600ms ease; } .js .reveal.is-visible { opacity: 1; transform: none; } /* ---------- Responsive ---------- */ @media (max-width: 960px) { .hero__inner { grid-template-columns: 1fr; text-align: center; } .hero__lead { margin-inline: auto; } .hero__cta { justify-content: center; } .hero__media { order: -1; } .about { grid-template-columns: 1fr; text-align: center; } .about__media { justify-self: center; } } @media (max-width: 640px) { .nav__toggle { display: flex; } .nav__menu { position: absolute; top: var(--nav-h); left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: var(--space-2); padding: var(--space-3); background: var(--bg-elev); border-bottom: 1px solid var(--border); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity var(--transition), transform var(--transition); } .nav__menu.is-open { transform: none; opacity: 1; pointer-events: auto; } .section { padding-block: var(--space-5); } } /* ---------- Reduced motion ---------- */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } .reveal { opacity: 1; transform: none; } .btn:hover, .card:hover { transform: none; } }