/* ========================================================================== ELEVATE WITH SHREY — design system Onest · #181818 / #FFFFFF / #77D1FE · dark theme ========================================================================== */ /* -------------------------------------------------------------------------- 1. Tokens -------------------------------------------------------------------------- */ :root { /* Brand */ --black: #181818; --white: #ffffff; --blue: #77d1fe; /* Surfaces — derived from brand black for depth layering */ --bg-deep: #0e0e0e; --bg-base: #181818; --bg-raised: #1f1f1f; --bg-elevated: #272727; /* Ink */ --ink: #ffffff; --ink-dim: rgba(255, 255, 255, 0.64); --ink-faint: rgba(255, 255, 255, 0.4); --ink-ghost: rgba(255, 255, 255, 0.22); /* Lines */ --line: rgba(255, 255, 255, 0.09); --line-strong: rgba(255, 255, 255, 0.16); /* Accent derivatives */ --blue-dim: rgba(119, 209, 254, 0.6); --blue-faint: rgba(119, 209, 254, 0.16); --blue-ghost: rgba(119, 209, 254, 0.07); --blue-glow: rgba(119, 209, 254, 0.28); /* Type */ --font: "Onest", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; /* Fluid type scale — 360px → 1600px viewport */ --fs-display: clamp(3.25rem, 1.2rem + 9.1vw, 9.5rem); --fs-h1: clamp(2.5rem, 1.1rem + 6.2vw, 6.5rem); --fs-h2: clamp(2rem, 1.15rem + 3.8vw, 4.25rem); --fs-h3: clamp(1.5rem, 1.1rem + 1.8vw, 2.375rem); --fs-h4: clamp(1.25rem, 1.05rem + 0.9vw, 1.625rem); --fs-lead: clamp(1.0625rem, 0.98rem + 0.44vw, 1.375rem); --fs-body: clamp(1rem, 0.96rem + 0.18vw, 1.125rem); --fs-small: clamp(0.875rem, 0.85rem + 0.11vw, 0.9375rem); --fs-micro: clamp(0.6875rem, 0.67rem + 0.09vw, 0.75rem); /* Spacing — fluid section rhythm */ --section-y: clamp(5rem, 3rem + 9vw, 11rem); --section-y-tight: clamp(3.5rem, 2.4rem + 5vw, 7rem); --gutter: clamp(1.25rem, 0.6rem + 2.8vw, 4rem); --maxw: 1360px; --maxw-text: 62ch; --maxw-narrow: 940px; /* Radius */ --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-xl: 32px; --r-pill: 999px; /* Motion */ --ease-out: cubic-bezier(0.16, 1, 0.3, 1); --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1); --dur-fast: 0.25s; --dur: 0.55s; --dur-slow: 0.9s; /* Chrome */ --nav-h: 72px; } /* On a large monitor a hard 1360px cap leaves roughly 400px of dead space each side, which reads as a lopsided margin rather than a deliberate column. Widen in steps. Reading measure is protected separately by --maxw-text, so paragraphs never get uncomfortably long. */ @media (min-width: 1560px) { :root { --maxw: 1500px; } } @media (min-width: 1860px) { :root { --maxw: 1660px; } } @media (min-width: 2200px) { :root { --maxw: 1820px; } } /* -------------------------------------------------------------------------- 2. Reset -------------------------------------------------------------------------- */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); /* Clip sideways overflow at the true viewport level. `overflow-x: hidden` on alone does NOT do this: when is `visible`, the body's overflow value is propagated up to the viewport and body itself computes back to `visible`, so nothing actually gets clipped — which is why the page could still be dragged sideways. `clip` is used rather than `hidden` because it does not create a scroll container, so position:sticky inside the page keeps working. */ overflow-x: clip; } @supports not (overflow: clip) { html { overflow-x: hidden; } } body { background: var(--bg-base); color: var(--ink); font-family: var(--font); font-size: var(--fs-body); font-weight: 400; line-height: 1.65; letter-spacing: -0.005em; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: clip; max-width: 100%; text-rendering: optimizeLegibility; } /* Belt and braces: clip at every top-level landmark too, so a decorative element that escapes its section can never widen the document. */ main, .footer { overflow-x: clip; } @supports not (overflow: clip) { body, main, .footer { overflow-x: hidden; } } body.is-locked { overflow: hidden; } img, video, svg { display: block; max-width: 100%; height: auto; } button, input, select, textarea { font: inherit; color: inherit; } /* Browsers give

a default border and padding */ fieldset { border: 0; padding: 0; margin: 0; min-width: 0; } legend { padding: 0; } /* The UA rule for [hidden] is display:none at the lowest specificity, so any class that sets display (.btn is inline-flex) silently overrides it. Without this, the submit button shows on every step. */ [hidden] { display: none !important; } button { background: none; border: 0; cursor: pointer; } a { color: inherit; text-decoration: none; } ul, ol { list-style: none; } ::selection { background: var(--blue); color: var(--black); } :focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; } /* -------------------------------------------------------------------------- 3. Typography primitives -------------------------------------------------------------------------- */ h1, h2, h3, h4 { font-weight: 600; line-height: 1.02; letter-spacing: -0.035em; text-wrap: balance; } .display { font-size: var(--fs-display); font-weight: 600; line-height: 0.92; letter-spacing: -0.045em; } .h1 { font-size: var(--fs-h1); } .h2 { font-size: var(--fs-h2); } .h3 { font-size: var(--fs-h3); line-height: 1.1; } .h4 { font-size: var(--fs-h4); line-height: 1.25; letter-spacing: -0.02em; } .lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--ink-dim); letter-spacing: -0.01em; max-width: var(--maxw-text); } .body-text { color: var(--ink-dim); max-width: var(--maxw-text); } .body-text + .body-text { margin-top: 1.15em; } .small { font-size: var(--fs-small); color: var(--ink-faint); } .eyebrow { display: inline-flex; align-items: center; gap: 0.7em; font-size: var(--fs-micro); font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--blue); line-height: 1; } .eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; opacity: 0.55; flex: none; } .eyebrow--center::before { display: none; } .accent { color: var(--blue); } .dim { color: var(--ink-faint); } /* Emphasis inside long-form copy */ .body-text strong, .lead strong { color: var(--ink); font-weight: 500; } /* -------------------------------------------------------------------------- 4. Layout -------------------------------------------------------------------------- */ .wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); } .wrap--narrow { max-width: var(--maxw-narrow); } .section { position: relative; padding-block: var(--section-y); } .section--tight { padding-block: var(--section-y-tight); } .section--deep { background: var(--bg-deep); } .section-head { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: clamp(2.75rem, 1.5rem + 4vw, 5rem); } .section-head--center { align-items: center; text-align: center; } .section-head--center .lead { margin-inline: auto; } .section-head--split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(1.5rem, 1rem + 3vw, 4rem); align-items: end; } @media (max-width: 860px) { .section-head--split { grid-template-columns: 1fr; align-items: start; } } .rule { height: 1px; background: var(--line); border: 0; } /* Section index number, editorial detail */ .section-index { position: absolute; top: clamp(1.5rem, 3vw, 3rem); right: var(--gutter); font-size: var(--fs-micro); letter-spacing: 0.2em; color: var(--ink-ghost); font-weight: 500; } @media (max-width: 720px) { .section-index { display: none; } } /* Screen-reader only */ .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; } /* Placeholder shown until real assets land */ .asset-placeholder { position: absolute; inset: 0; width: 100%; height: 100%; min-height: 180px; display: grid; place-items: center; padding: 1.5rem; text-align: center; background: repeating-linear-gradient( 135deg, rgba(119, 209, 254, 0.045) 0px, rgba(119, 209, 254, 0.045) 2px, transparent 2px, transparent 11px ), var(--bg-elevated); border: 1px dashed var(--line-strong); border-radius: inherit; } /* In flow rather than absolute when it's a direct grid/flow child */ .msg .asset-placeholder, .tcard .asset-placeholder { position: relative; aspect-ratio: 3 / 4; } .msg .asset-placeholder { aspect-ratio: 4 / 5; } .asset-placeholder__label { display: flex; flex-direction: column; align-items: center; gap: 0.55rem; max-width: 30ch; } .asset-placeholder__kind { font-size: var(--fs-micro); letter-spacing: 0.18em; text-transform: uppercase; color: var(--blue); opacity: 0.55; font-weight: 600; } .asset-placeholder__path { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.7rem; letter-spacing: 0; color: var(--ink-ghost); line-height: 1.5; word-break: break-all; } /* -------------------------------------------------------------------------- 5. Texture + ambient light -------------------------------------------------------------------------- */ .grain { position: fixed; inset: 0; z-index: 9999; pointer-events: none; opacity: 0.028; mix-blend-mode: overlay; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 320 320' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); } .glow { position: absolute; border-radius: 50%; pointer-events: none; filter: blur(90px); opacity: 0.5; z-index: 0; } .glow--blue { background: radial-gradient(circle, var(--blue-glow) 0%, transparent 68%); } /* -------------------------------------------------------------------------- 6. Buttons -------------------------------------------------------------------------- */ .btn { --btn-bg: var(--blue); --btn-fg: var(--black); position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 0.65em; padding: 1.05em 2.1em; background: var(--btn-bg); color: var(--btn-fg); border-radius: var(--r-pill); font-size: var(--fs-body); font-weight: 600; letter-spacing: -0.015em; line-height: 1; white-space: nowrap; overflow: hidden; isolation: isolate; transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out); box-shadow: 0 0 0 rgba(119, 209, 254, 0); } .btn::after { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--white); transform: translateY(101%); transition: transform var(--dur) var(--ease-out); } .btn:hover::after, .btn:focus-visible::after { transform: translateY(0); } .btn:hover, .btn:focus-visible { transform: translateY(-2px); box-shadow: 0 12px 40px -12px var(--blue-glow); } .btn:active { transform: translateY(0) scale(0.985); } .btn__arrow { transition: transform var(--dur) var(--ease-out); } .btn:hover .btn__arrow { transform: translateX(4px); } .btn--ghost { --btn-bg: transparent; --btn-fg: var(--white); box-shadow: inset 0 0 0 1px var(--line-strong); } .btn--ghost::after { background: var(--white); } .btn--ghost:hover { --btn-fg: var(--black); } .btn--lg { padding: 1.2em 2.6em; font-size: var(--fs-lead); } .btn--block { width: 100%; } .btn[disabled] { opacity: 0.45; pointer-events: none; } .cta-note { font-size: var(--fs-small); color: var(--ink-faint); margin-top: 1.1rem; letter-spacing: -0.005em; } .cta-group { display: flex; flex-direction: column; align-items: flex-start; gap: 0; } .cta-group--center { align-items: center; text-align: center; } /* -------------------------------------------------------------------------- 7. Nav -------------------------------------------------------------------------- */ .nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: var(--nav-h); display: flex; align-items: center; transition: background var(--dur) var(--ease-out), backdrop-filter var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); border-bottom: 1px solid transparent; } .nav.is-stuck { background: rgba(15, 15, 15, 0.72); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); border-bottom-color: var(--line); } .nav.is-hidden { transform: translateY(-100%); } .nav__inner { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; } .nav__logo img { height: 30px; width: auto; transition: opacity var(--dur-fast) var(--ease-out); } .nav__logo:hover img { opacity: 0.75; } @media (max-width: 480px) { .nav__logo img { height: 25px; } } .nav__links { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2.25rem); } .nav__link { font-size: var(--fs-small); color: var(--ink-dim); letter-spacing: -0.005em; transition: color var(--dur-fast) var(--ease-out); position: relative; } .nav__link::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 100%; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform var(--dur) var(--ease-out); } .nav__link:hover { color: var(--ink); } .nav__link:hover::after { transform: scaleX(1); transform-origin: left; } .nav__cta { padding: 0.75em 1.5em; font-size: var(--fs-small); } @media (max-width: 900px) { .nav__links { display: none; } } /* Scroll progress bar */ .progress { position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 101; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--blue-dim), var(--blue)); will-change: transform; } /* -------------------------------------------------------------------------- 8. Scroll reveal primitives -------------------------------------------------------------------------- */ [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity 0.95s var(--ease-out), transform 0.95s var(--ease-out); transition-delay: var(--reveal-delay, 0s); will-change: opacity, transform; } [data-reveal].is-in { opacity: 1; transform: none; } [data-reveal="fade"] { transform: none; } [data-reveal="left"] { transform: translateX(-34px); } [data-reveal="right"] { transform: translateX(34px); } [data-reveal="scale"] { transform: scale(0.94); } [data-reveal="clip"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1.1s var(--ease-out); transition-delay: var(--reveal-delay, 0s); } [data-reveal="clip"].is-in { clip-path: inset(0 0 0 0); } /* Line-by-line masked text reveal */ /* The overflow mask that hides each line before it animates in will also clip descenders (the tail of a "y", "g", "p"). Pad the bottom to give them room, then pull it back with an equal negative margin so layout is unchanged. */ .reveal-lines .line { display: block; overflow: hidden; padding-bottom: 0.24em; margin-bottom: -0.24em; } .reveal-lines .line > span { display: block; transform: translateY(105%); transition: transform 1s var(--ease-out); transition-delay: calc(var(--i, 0) * 0.085s); } .reveal-lines.is-in .line > span { transform: translateY(0); } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; } [data-reveal], .reveal-lines .line > span { opacity: 1 !important; transform: none !important; clip-path: none !important; } .parallax-media { transform: none !important; } }