/* ========================================================================= Serenio — "Living Porcelain" design system (marketing site) Tokens mirror the product (docs/serenio-design-spec.md + globals.css) so the site and the app feel like one living system. Light-only, warm, calm. ========================================================================= */ @font-face { font-family: "Glitten"; src: url("/fonts/glitten.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; } /* Geist (variable) — the product's UI sans, self-hosted for an intentional, cross-platform body face instead of the generic system stack. */ @font-face { font-family: "Geist"; src: url("/fonts/geist.woff") format("woff"); font-weight: 100 900; font-style: normal; font-display: swap; } :root { /* --- Core surfaces & ink (Living Porcelain) --- */ --canvas: #faf7f2; --canvas-lilac: #f4eff6; --surface: #fffcf8; --surface-lilac: #ede7f3; --ink: #2e2938; --ink-muted: #6f6878; --ink-faint: #918a98; /* --- Brand violet family --- */ --plum: #59477f; --plum-deep: #463663; --violet: #8875b4; --violet-original: #756b9e; --violet-bright: #7652d6; --lavender: #c8b9de; --sage: #a7cfbe; --mint-pale: #ddede5; --rose-mist: #e8c8ce; --amber-mist: #e8d29f; --danger: #a94e62; /* --- Emotional mesh anchors --- */ --mesh-grounded: #a7cfbe; --mesh-hopeful: #d8c8ea; --mesh-reflective: #8e78b6; --mesh-heavy: #59477f; --mesh-tender: #e7c5cf; --mesh-activated: #d8b66c; /* active fields (calm/reflective porcelain default) */ --mesh-1: var(--mesh-reflective); --mesh-2: var(--mesh-grounded); --mesh-3: var(--mesh-hopeful); --mesh-4: var(--mesh-tender); /* --- Type --- */ /* Latin display = Glitten; CJK display falls to the active language's sans (swappable per below) so JP/KR headings stop borrowing Chinese serif glyph forms and match the product's sans CJK. */ --display-cjk: "PingFang TC", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", sans-serif; --font-display: "Glitten", "Iowan Old Style", Georgia, var(--display-cjk); --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif; --font-tc: "PingFang TC", "PingFang HK", "Noto Sans TC", "Microsoft JhengHei", sans-serif; --font-ja: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif; --font-ko: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif; /* fluid type scale (mobile -> desktop shell) */ --text-wordmark: clamp(3.25rem, 2.4rem + 4.2vw, 5rem); --text-display: clamp(2.35rem, 1.7rem + 3.2vw, 3.6rem); --text-h1: clamp(1.95rem, 1.5rem + 2vw, 2.7rem); --text-h2: clamp(1.5rem, 1.25rem + 1.1vw, 1.95rem); --text-h3: clamp(1.18rem, 1.07rem + 0.5vw, 1.35rem); --text-body-lg: clamp(1.05rem, 1rem + 0.25vw, 1.18rem); --text-body: 1rem; --text-label: 0.8125rem; --text-caption: 0.75rem; /* spacing zones */ --gutter: clamp(1.25rem, 1rem + 2vw, 2.5rem); --section-y: clamp(4.5rem, 3.5rem + 5vw, 9rem); --max-shell: 1180px; --max-read: 65ch; /* shape */ --r-panel: 28px; --r-media: 24px; --r-control: 14px; --r-pill: 999px; /* elevation — violet-tinted, upper-left light */ --shadow-float: 0 24px 70px rgba(73, 55, 101, 0.12), 0 4px 16px rgba(73, 55, 101, 0.06); --shadow-soft: 0 12px 34px rgba(73, 55, 101, 0.09), inset 0 1px 0 rgba(255, 255, 255, 0.72); --shadow-control: 0 7px 20px rgba(73, 55, 101, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.45); --ring-highlight: rgba(255, 255, 255, 0.65); /* motion */ --ease-press: cubic-bezier(0.2, 0.8, 0.2, 1); --ease-entry: cubic-bezier(0.16, 1, 0.3, 1); --ease-screen: cubic-bezier(0.22, 1, 0.36, 1); --dur-press: 120ms; --dur-control: 220ms; --dur-panel: 420ms; color-scheme: light; } /* Display CJK follows the document language so each language's headings use its own native sans (and correct glyph forms). */ :root:lang(ja) { --display-cjk: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif; } :root:lang(ko) { --display-cjk: "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif; } /* ========================================================================= Reset & base ========================================================================= */ *, *::before, *::after { box-sizing: border-box; } html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; scroll-behavior: smooth; } body { margin: 0; min-height: 100dvh; background: var(--canvas); color: var(--ink); font-family: var(--font-sans); font-size: var(--text-body); line-height: 1.55; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; } /* language-driven CJK stacks + generous leading */ :lang(zh-Hant), :lang(zh) { font-family: var(--font-tc); line-height: 1.72; } :lang(ja) { font-family: var(--font-ja); line-height: 1.75; } :lang(ko) { font-family: var(--font-ko); line-height: 1.74; } img, svg { display: block; max-width: 100%; } a { color: inherit; text-decoration: none; } button { font: inherit; color: inherit; cursor: pointer; } h1, h2, h3, h4, p { margin: 0; text-wrap: pretty; } ::selection { background: rgba(118, 82, 214, 0.16); } :focus-visible { outline: 3px solid var(--violet-bright); outline-offset: 2px; border-radius: 6px; } .skip-link { position: absolute; left: 50%; top: -100px; transform: translateX(-50%); z-index: 200; padding: 0.7rem 1.2rem; background: var(--plum); color: #fff; border-radius: var(--r-pill); box-shadow: var(--shadow-float); transition: top var(--dur-control) var(--ease-entry); } .skip-link:focus { top: 12px; } /* ========================================================================= Type utilities ========================================================================= */ .font-display { font-family: var(--font-display); font-weight: 400; letter-spacing: -0.01em; } .wordmark { font-family: var(--font-display); font-weight: 400; font-size: var(--text-wordmark); line-height: 0.94; letter-spacing: 0.2em; color: var(--plum); padding-left: 0.2em; /* optical correction for tracking */ } .wordmark--hero { font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.3rem); letter-spacing: 0.18em; } .display { font-family: var(--font-display); font-size: var(--text-display); line-height: 1.04; letter-spacing: -0.015em; color: var(--ink); } .eyebrow { font-size: var(--text-label); font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--violet); } :lang(ja) .eyebrow, :lang(ko) .eyebrow, :lang(zh-Hant) .eyebrow { letter-spacing: 0.08em; } h1.section-title, h2.section-title { font-family: var(--font-display); font-size: var(--text-h1); line-height: 1.1; letter-spacing: -0.012em; color: var(--ink); text-wrap: balance; } h3 { font-size: var(--text-h3); font-weight: 600; line-height: 1.25; } .lead { font-size: var(--text-body-lg); color: var(--ink-muted); max-width: var(--max-read); line-height: 1.6; } .muted { color: var(--ink-muted); } .faint { color: var(--ink-faint); } /* ========================================================================= Layout primitives ========================================================================= */ .shell { width: 100%; max-width: var(--max-shell); margin-inline: auto; padding-inline: var(--gutter); } .section { padding-block: var(--section-y); position: relative; } .section--tight { padding-block: clamp(3rem, 2.4rem + 3vw, 5rem); } .stack { display: flex; flex-direction: column; } .center { text-align: center; align-items: center; } /* ========================================================================= Living mesh (atmosphere as interface) ========================================================================= */ .mesh { position: absolute; inset: 0; overflow: hidden; pointer-events: none; background: var(--canvas); contain: paint; z-index: 0; } .mesh__blob { position: absolute; border-radius: 999px; filter: blur(46px); opacity: 0.42; will-change: transform; transform: translateZ(0); animation: meshDrift ease-in-out infinite; } .mesh__blob--1 { width: 72%; aspect-ratio: 1; top: -10%; left: -8%; background: radial-gradient(circle at 50% 50%, var(--mesh-1), transparent 66%); animation-duration: 34s; } .mesh__blob--2 { width: 78%; aspect-ratio: 1; top: 44%; left: 38%; background: radial-gradient(circle at 50% 50%, var(--mesh-2), transparent 66%); animation-duration: 38s; animation-delay: -18s; } .mesh__blob--3 { width: 64%; aspect-ratio: 1; top: -12%; left: 52%; background: radial-gradient(circle at 50% 50%, var(--mesh-3), transparent 66%); animation-duration: 42s; animation-delay: -9s; } .mesh__well { position: absolute; inset: 0; background: radial-gradient( 58% 48% at 50% 38%, rgba(255, 252, 248, 0.94), rgba(255, 252, 248, 0) 72% ); } .mesh__base { position: absolute; inset-inline: 0; bottom: 0; height: 40%; background: linear-gradient(to top, rgba(250, 247, 242, 0.6), transparent); } .mesh--chromatic .mesh__blob { opacity: 0.58; filter: blur(40px); } @keyframes meshDrift { 0%, 100% { transform: translate3d(0, 0, 0) scale(1); } 33% { transform: translate3d(3%, -2%, 0) scale(1.06); } 66% { transform: translate3d(-2%, 2%, 0) scale(1.03); } } /* restrained film grain */ .grain::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.045; mix-blend-mode: multiply; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%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"); } /* ========================================================================= 小癒 orb — abstract breathing glass (not a face) ========================================================================= */ .orb { position: relative; width: var(--orb-size, 132px); height: var(--orb-size, 132px); flex: none; } .orb__glow { position: absolute; inset: -28%; border-radius: 999px; background: radial-gradient(circle, rgba(142, 120, 182, 0.4), transparent 68%); filter: blur(18px); animation: orbGlow 4.2s ease-in-out infinite; } .orb__body { position: absolute; inset: 0; border-radius: 999px; overflow: hidden; background: radial-gradient(120% 120% at 30% 24%, #fbf8fc 0%, transparent 42%), radial-gradient(90% 90% at 68% 74%, #8e78b6 0%, transparent 70%), radial-gradient(circle at 50% 50%, #c8b9de 0%, #8e78b6 78%); box-shadow: inset 0 2px 10px rgba(255, 255, 255, 0.65), inset 0 -10px 24px rgba(73, 55, 101, 0.22), 0 14px 34px rgba(73, 55, 101, 0.2); animation: orbBreath 4.2s ease-in-out infinite; } .orb__swirl { position: absolute; inset: -20%; mix-blend-mode: screen; filter: blur(4px); background: radial-gradient(40% 30% at 38% 40%, #fbf8fc 0%, transparent 60%), radial-gradient(36% 26% at 64% 62%, #8e78b6 0%, transparent 58%); animation: orbSwirl 13s ease-in-out infinite; } .orb__spec { position: absolute; top: 14%; left: 20%; width: 34%; height: 24%; border-radius: 999px; background: radial-gradient(circle, rgba(255, 255, 255, 0.92), transparent 70%); filter: blur(2px); } @keyframes orbBreath { 0%, 100% { transform: scale(0.985); } 50% { transform: scale(1.025); } } @keyframes orbGlow { 0%, 100% { opacity: 0.55; transform: scale(1); } 50% { opacity: 0.85; transform: scale(1.06); } } @keyframes orbSwirl { 0%, 100% { transform: rotate(0deg) translateX(-4%); } 33% { transform: rotate(14deg) translateX(4%); } 66% { transform: rotate(-8deg) translateX(-2%); } } /* ========================================================================= Porcelain surface ========================================================================= */ .porcelain { background: linear-gradient( 180deg, rgba(255, 252, 248, 0.92), rgba(255, 252, 248, 0.8) ); border: 1px solid var(--ring-highlight); border-radius: var(--r-panel); box-shadow: var(--shadow-soft); -webkit-backdrop-filter: blur(20px) saturate(1.05); backdrop-filter: blur(20px) saturate(1.05); } /* ========================================================================= Buttons ========================================================================= */ .btn { --btn-bg: var(--plum); --btn-fg: #fff; display: inline-flex; align-items: center; justify-content: center; gap: 0.55em; min-height: 52px; padding: 0 1.6rem; border: 1px solid transparent; border-radius: var(--r-pill); background: var(--btn-bg); color: var(--btn-fg); font-size: var(--text-body); font-weight: 600; line-height: 1; white-space: nowrap; transition: transform var(--dur-press) var(--ease-press), box-shadow var(--dur-control) var(--ease-entry), background-color var(--dur-control) var(--ease-entry); } .btn svg { width: 1.15em; height: 1.15em; } .btn--primary { background: linear-gradient(150deg, #6a559a, #59477f 60%, #4b3a6e); box-shadow: 0 14px 30px -12px rgba(89, 71, 127, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.28); } .btn--primary:hover { transform: translateY(-2px); box-shadow: 0 20px 40px -12px rgba(89, 71, 127, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.3); } .btn--secondary { background: rgba(255, 252, 248, 0.85); color: var(--plum); border-color: var(--ring-highlight); box-shadow: var(--shadow-control); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); } .btn--secondary:hover { transform: translateY(-2px); border-color: rgba(136, 117, 180, 0.5); box-shadow: 0 12px 28px -10px rgba(89, 71, 127, 0.34); } .btn--ghost { background: transparent; color: var(--plum); min-height: 44px; padding: 0 0.4rem; font-weight: 600; } .btn--ghost::after { content: ""; width: 1.1em; height: 1.1em; background: currentColor; -webkit-mask: var(--arrow) center / contain no-repeat; mask: var(--arrow) center / contain no-repeat; --arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14M13 6l6 6-6 6'/%3E%3C/svg%3E"); transition: transform var(--dur-control) var(--ease-entry); } .btn--ghost:hover::after { transform: translateX(4px); } .btn--lg { min-height: 58px; padding: 0 2rem; font-size: var(--text-body-lg); } .btn:active { transform: scale(0.975); } .btn--block { width: 100%; } /* line icon glyph inside CTAs */ .glyph-line { width: 1.2em; height: 1.2em; fill: currentColor; } /* ========================================================================= Emotion chips ========================================================================= */ .chip { display: inline-flex; align-items: center; gap: 0.5em; padding: 0.45em 0.95em; border-radius: var(--r-pill); background: rgba(255, 252, 248, 0.7); border: 1px solid var(--ring-highlight); box-shadow: var(--shadow-control); font-size: var(--text-label); font-weight: 600; color: var(--plum); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); } .chip__dot { width: 0.7em; height: 0.7em; border-radius: 999px; background: var(--chip-dot, var(--violet)); } /* ========================================================================= Scroll reveal ========================================================================= */ /* Reveal only hides content when JS is present (html.js). Without JS, or if the observer never fires, content stays fully visible. */ .reveal { opacity: 1; } html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity var(--dur-panel) var(--ease-entry), transform var(--dur-panel) var(--ease-entry); } html.js .reveal.is-visible { opacity: 1; transform: none; } .reveal[data-delay="1"] { transition-delay: 80ms; } .reveal[data-delay="2"] { transition-delay: 160ms; } .reveal[data-delay="3"] { transition-delay: 240ms; } /* ========================================================================= Reduced motion / transparency ========================================================================= */ @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .mesh__blob, .orb__body, .orb__glow, .orb__swirl { animation: none !important; } html.js .reveal { opacity: 1 !important; transform: none !important; transition: none !important; } * { transition-duration: 0.12s !important; } } @media (prefers-reduced-transparency: reduce) { .porcelain, .chip, .btn--secondary, .nav, [class*="backdrop"] { -webkit-backdrop-filter: none !important; backdrop-filter: none !important; background-color: rgba(255, 252, 248, 0.98) !important; } }