/* Arco site — shared design system. TWO THEMES driven by CSS vars on . Dark = the product's identity (gold on near-black). Light = warm paper with the same gold. */ *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } html[data-theme="dark"] { --bg: #0b0b0d; /* page */ --bg-2: #111114; /* raised cards */ --line: #232328; /* borders */ --text: #e8e8ec; --dim: #9a9aa2; --faint: #5c5c64; --accent: #d4af37; /* Arco gold */ --accent-ink: #161617; /* text ON gold */ --accent-soft: rgba(212, 175, 55, 0.12); --hero-particle: #d4af37; --hero-particle-2: #8a7020; --hero-cyan: #4dd8e6; --hero-purple: #a06ee6; --hero-purple-2: #cdb4f5; --hero-red: #e0606a; --hero-blue: #5a8de6; --shadow: 0 24px 64px rgba(0, 0, 0, 0.55); } html[data-theme="light"] { --bg: #faf9f6; --bg-2: #ffffff; --line: #e4e1d8; --text: #1c1b18; --dim: #6b675c; --faint: #a39e90; --accent: #a8851a; /* deeper gold for contrast on light */ --accent-ink: #ffffff; --accent-soft: rgba(168, 133, 26, 0.10); --hero-particle: #b8932a; --hero-particle-2: #d9c68a; --hero-cyan: #1a98a8; --hero-purple: #7a4ec2; --hero-purple-2: #a184d8; --hero-red: #c24a52; --hero-blue: #2f62b8; --shadow: 0 24px 64px rgba(60, 50, 20, 0.12); } /* SECTION PAGING is JS-driven (site.js): one wheel gesture = one section, with an EASED glide. scroll-behavior stays auto so the pager's frame-by-frame animation is the only easing. */ html { scroll-behavior: auto; } body { background: var(--bg); color: var(--text); /* terminal voice — Arco is a coding agent, the site types like one */ font-family: ui-monospace, "Cascadia Code", "SF Mono", "JetBrains Mono", Consolas, monospace; min-height: 100vh; transition: background 0.25s ease, color 0.25s ease; } a { color: inherit; text-decoration: none; } /* ── Top bar: scrolls AWAY with the page (absolute, pinned to the page top). Only the ARCO mark stays — fixed, floating, no background. ── */ .topbar { position: absolute; top: 0; left: 0; right: 0; z-index: 50; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 14px 28px; gap: 16px; } .tb-left { position: fixed; top: 14px; left: 28px; z-index: 60; display: flex; align-items: center; gap: 10px; } .tb-left img { height: 26px; width: auto; } .tb-left .tb-name { font-weight: 800; letter-spacing: 1.5px; font-size: 16px; } /* the fixed ARCO mark leaves the grid flow — pin the clusters to their columns explicitly, or they slide left into the vacated cells */ .tb-center { grid-column: 2; display: flex; align-items: center; gap: 10px; justify-self: center; } .tb-right { grid-column: 3; display: flex; align-items: center; gap: 22px; justify-self: end; } .tb-link { font-size: 13.5px; font-weight: 600; color: var(--dim); transition: color 0.15s; } .tb-link:hover, .tb-link.active { color: var(--text); } .btn { display: inline-block; border: none; cursor: pointer; border-radius: 9px; font-size: 13.5px; font-weight: 700; padding: 9px 20px; line-height: 1.2; transition: filter 0.15s, background 0.15s, color 0.15s, border-color 0.15s; } .btn-solid { background: var(--accent); color: var(--accent-ink); } .btn-solid:hover { filter: brightness(1.08); } .btn-line { background: transparent; color: var(--text); border: 1px solid var(--line); } .btn-line:hover { border-color: var(--accent); color: var(--accent); } /* theme toggle — a quiet sun/moon button */ .theme-btn { background: none; border: 1px solid var(--line); border-radius: 50%; width: 32px; height: 32px; cursor: pointer; color: var(--dim); display: grid; place-items: center; transition: color 0.15s, border-color 0.15s; } .theme-btn:hover { color: var(--accent); border-color: var(--accent); } .theme-btn svg { width: 16px; height: 16px; } /* Language switcher (globe) — matches the theme button */ .lang-btn { background: none; border: 1px solid var(--line); border-radius: 50%; width: 32px; height: 32px; cursor: pointer; color: var(--dim); display: grid; place-items: center; transition: color 0.15s, border-color 0.15s; } .lang-btn:hover { color: var(--accent); border-color: var(--accent); } .lang-btn svg { width: 17px; height: 17px; } .lang-menu { position: fixed; z-index: 1000; background: var(--bg, #14141a); border: 1px solid var(--line); border-radius: 11px; padding: 6px; max-height: 60vh; overflow: auto; min-width: 168px; box-shadow: 0 14px 40px rgba(0,0,0,0.45); } .lang-item { display: block; width: 100%; text-align: left; background: none; border: none; color: var(--text); padding: 8px 12px; border-radius: 7px; cursor: pointer; font-size: 14px; white-space: nowrap; } .lang-item:hover { background: color-mix(in srgb, var(--accent) 14%, transparent); } .lang-item.sel { color: var(--accent); font-weight: 700; } :root[dir="rtl"] .lang-item { text-align: right; } /* hamburger (mobile only) — opens the Enterprise/Pricing/theme menu */ .tb-burger { display: none; background: none; border: 1px solid var(--line); border-radius: 9px; width: 38px; height: 34px; cursor: pointer; color: var(--text); align-items: center; justify-content: center; } .tb-burger:hover { border-color: var(--accent); color: var(--accent); } .tb-burger svg { width: 20px; height: 20px; } /* ── Hero ── */ .hero { position: relative; height: 100vh; min-height: 620px; overflow: hidden; } /* ── Hero: the terminal voice, sitting HIGH (not dead center) — page stop #1 ── */ .hero-split { display: flex; flex-direction: column; justify-content: flex-start; padding: 23vh 3vw 48px; min-height: 100vh; height: auto; } .hero-term { text-align: center; padding: 6px 18px 22px; } /* ── the screenshot panel — a full 100vh stop with the image DEAD-CENTERED; pulled up under the hero so ~half of it peeks there ── */ .shot-band { height: 100vh; display: flex; align-items: center; justify-content: center; padding: 0 4vw; margin-top: -48vh; } .shot-band img { display: block; max-width: min(1150px, 94vw); max-height: 88vh; width: auto; height: auto; border-radius: 14px; border: 1px solid var(--line); box-shadow: var(--shadow), 0 0 28px color-mix(in srgb, var(--accent) 7%, transparent); } #hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; } .hero-right { display: flex; align-items: center; justify-content: flex-start; min-width: 0; perspective: 1500px; } @media (max-width: 920px) { .hero-row { grid-template-columns: 1fr; gap: 18px; } .hero-neb { height: 320px; } .hero-right { justify-content: center; } } .ht-line { color: var(--faint); font-size: 13px; letter-spacing: 1.5px; margin-bottom: 16px; } .ht-prompt { color: var(--accent); } .hero-term h1 { font-size: clamp(23px, 3.6vw, 40px); font-weight: 700; letter-spacing: -0.5px; } .caret { display: inline-block; width: 0.55em; height: 1em; background: var(--accent); margin-left: 8px; vertical-align: text-bottom; animation: caret-blink 1.1s steps(1) infinite; } @keyframes caret-blink { 50% { opacity: 0; } } .ht-sub { margin-top: 14px; color: var(--dim); font-size: clamp(12px, 1.4vw, 14.5px); } /* (the hero screenshot was removed — dark.png/white.png stay in website/ for later sections) */ @media (prefers-reduced-motion: reduce) { .caret { animation: none; } } .hero-scroll { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); color: var(--faint); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; animation: hero-bob 2.4s ease-in-out infinite; } @keyframes hero-bob { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 6px); } } /* ── COSMOS (page stop #3): the live window DOCKED LEFT, the explainer on the right. The window must NOT fill the viewport — the gutters + right column stay page-owned so the wheel there keeps paging; only inside the frame does it zoom the galaxy. Band bg = page bg. ── */ .cosmos-band { position: relative; height: 100vh; background: var(--bg); overflow: hidden; display: flex; align-items: center; gap: 3vw; padding: 0 3vw 0 2.5vw; } .cosmos-stage { position: relative; flex-shrink: 0; width: min(1300px, 70vw); height: 86vh; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #000005; box-shadow: var(--shadow), 0 0 46px color-mix(in srgb, var(--accent) 14%, transparent); } .cosmos-stage canvas { display: block; } /* the frame IS Arco (its own document with the app's real stylesheet) — fill the stage exactly */ .cosmos-stage iframe.cosmos-frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; background: #000; } /* the right column — a slim strip of explanatory text; the cosmos is the star */ .cosmos-copy { flex: 1; min-width: 0; max-width: 360px; } .cosmos-copy h2 { font-size: clamp(18px, 1.7vw, 24px); font-weight: 700; letter-spacing: -0.4px; margin: 4px 0 12px; } .cc-lead { color: var(--text); font-size: 13px; margin-bottom: 16px; } .cc-list { list-style: none; display: flex; flex-direction: column; gap: 10px; color: var(--dim); font-size: 12.5px; line-height: 1.6; margin-bottom: 18px; } .cc-list li { padding-left: 18px; position: relative; } .cc-list li::before { content: "·"; position: absolute; left: 2px; color: var(--accent); font-weight: 700; } .cc-end { color: var(--text); font-size: 13.5px; margin-bottom: 14px; } .cc-hint { color: var(--faint); font-size: 11.5px; } @media (max-width: 1100px) { .cosmos-band { flex-direction: column; justify-content: center; gap: 22px; padding: 10vh 4vw 0; } .cosmos-stage { width: 92vw; height: 56vh; } .cosmos-copy { max-width: 92vw; } } .cosmos-fail { display: grid; place-items: center; height: 100%; color: #5c5c64; font-size: 12px; letter-spacing: 1px; } /* ── CONVERSATION-MAP RAIL: fixed right, centered; one icon per section; active lights up gold ── */ .rail { position: fixed; right: 16px; top: 50%; transform: translateY(-50%); z-index: 70; display: flex; flex-direction: column; gap: 8px; padding: 8px 6px; background: color-mix(in srgb, var(--bg-2) 72%, transparent); border: 1px solid var(--line); border-radius: 999px; backdrop-filter: blur(10px); } .rail-btn { position: relative; width: 38px; height: 38px; display: grid; place-items: center; border: 0; background: transparent; color: var(--dim); cursor: pointer; border-radius: 50%; transition: color .18s, background .18s, box-shadow .18s; } .rail-btn svg { width: 19px; height: 19px; } /* real app icons (cosmos/designer/mc) as masks → take the button color, like the desktop .ic-mono */ /* Cosmos/Designer/MC = the app's mono assets shown as (renders on every browser, unlike CSS masks). The glyphs are black, so invert them to read light on the dark rail; opacity carries the idle/hover/active state and the active GOLD cue comes from the button background. */ .rail-img { display: block; width: 19px; height: 19px; object-fit: contain; filter: invert(1); opacity: .5; transition: opacity .18s; pointer-events: none; } .rail-btn:hover .rail-img { opacity: .82; } .rail-btn.active .rail-img { opacity: 1; } .rail-btn:hover { color: var(--dim); } .rail-btn.active { color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent), 0 0 14px color-mix(in srgb, var(--accent) 28%, transparent); } .rail-tip { position: absolute; right: 46px; top: 50%; transform: translateY(-50%); white-space: nowrap; font-size: 12px; color: var(--text); background: var(--bg-2); border: 1px solid var(--line); border-radius: 7px; padding: 4px 9px; opacity: 0; pointer-events: none; transition: opacity .15s; box-shadow: var(--shadow); } .rail-btn:hover .rail-tip { opacity: 1; } @media (max-width: 760px) { .rail { right: 5px; gap: 5px; padding: 6px 4px; } .rail-btn { width: 30px; height: 30px; } .rail-btn svg { width: 15px; height: 15px; } .rail-img { width: 15px; height: 15px; } .rail-tip { display: none; } } /* ── FEATURE sections (Designer, Mission Control): a LARGE screenshot on its side, with the copy CENTERED in the remaining space so the text floats midway between the shot and the page edge. ALTERNATING — Designer = shot LEFT / copy RIGHT; MC (.feat-rev) = copy LEFT / shot RIGHT. ── */ .feat-band { min-height: 100vh; background: var(--bg); display: flex; align-items: center; justify-content: center; padding: 8vh 4vw; } .feat-inner { width: 100%; display: grid; gap: 2vw; align-items: center; grid-template-columns: minmax(0, 1150px) minmax(320px, 1fr); } /* Designer: BIG shot LEFT (dark.png size), copy RIGHT */ .feat-rev .feat-inner { grid-template-columns: minmax(320px, 1fr) minmax(0, 1150px); } /* MC: shot RIGHT */ .feat-copy { max-width: 340px; margin: 0 auto; } /* center the copy within its space */ .feat-copy h2 { font-size: clamp(23px, 2.7vw, 36px); font-weight: 700; letter-spacing: -0.5px; margin: 6px 0 12px; } .feat-lead { color: var(--dim); font-size: 15px; line-height: 1.65; } .feat-lead b { color: var(--text); } /* same treatment as .shot-band img: rounded corners + a LIGHT gold glow */ .feat-shot { display: block; width: 100%; height: auto; border-radius: 14px; border: 1px solid var(--line); box-shadow: var(--shadow), 0 0 28px color-mix(in srgb, var(--accent) 7%, transparent); } @media (max-width: 900px) { .feat-inner, .feat-rev .feat-inner { grid-template-columns: 1fr; gap: 24px; } .feat-copy { order: 1; max-width: 540px; text-align: center; } .feat-shot { order: 2; } } /* ── SLASH COMMANDS reference ── */ .cmd-band { min-height: 100vh; background: var(--bg); display: flex; align-items: center; justify-content: center; padding: 10vh 6vw; } .cmd-inner { max-width: 780px; width: 100%; text-align: center; } .cmd-inner h2 { font-size: clamp(22px, 2.6vw, 34px); font-weight: 700; letter-spacing: -0.4px; margin: 4px 0 8px; } .cmd-lead { color: var(--dim); font-size: 14px; margin: 0 auto 30px; } .cmd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 28px; text-align: left; } .cmd-row { display: flex; gap: 12px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); } .cmd-row code { color: var(--accent); font-weight: 700; font-size: 13.5px; flex: none; min-width: 90px; } .cmd-row span { color: var(--dim); font-size: 13px; line-height: 1.5; } @media (max-width: 720px) { .cmd-grid { grid-template-columns: 1fr; } } /* ── EFFICIENCY (page stop #4): mechanism → 99% claim → THE NUMBERS → the honest part ── */ .eff-band { height: 100vh; background: var(--bg); display: flex; align-items: center; justify-content: center; padding: 0 6vw; } .eff-inner { max-width: 740px; text-align: center; } .eff-inner h2 { font-size: clamp(22px, 2.6vw, 34px); font-weight: 700; letter-spacing: -0.4px; margin: 6px 0 18px; } .eff-mech { color: var(--dim); font-size: 13.5px; line-height: 1.7; margin-bottom: 14px; } .eff-claim { color: var(--text); font-size: 14px; margin-bottom: 34px; } .eff-claim b { color: var(--accent); } .eff-bench { margin-bottom: 34px; } .eff-big { font-size: clamp(52px, 7vw, 86px); font-weight: 800; letter-spacing: -2px; color: var(--accent); line-height: 1; margin-bottom: 12px; } .eff-big span { font-size: 0.32em; font-weight: 650; letter-spacing: 0; color: var(--text); } .eff-pair { display: flex; align-items: center; justify-content: center; gap: 14px; font-size: clamp(14px, 1.6vw, 18px); margin-bottom: 10px; } .eff-pair code { font-family: inherit; } .eff-a { color: var(--accent); font-weight: 700; } .eff-vs { color: var(--faint); font-size: 0.75em; } .eff-b { color: var(--dim); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--accent) 55%, transparent); } .eff-cond { color: var(--dim); font-size: 12px; letter-spacing: 0.4px; margin-bottom: 6px; } .eff-note { color: var(--faint); font-size: 11px; letter-spacing: 0.4px; } .eff-honest { max-width: 640px; margin: 0 auto; text-align: left; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px; padding: 14px 18px; color: var(--dim); font-size: 12.5px; line-height: 1.7; background: color-mix(in srgb, var(--bg-2) 70%, transparent); } .eff-honest b { color: var(--text); } .eff-honest-k { display: block; color: var(--accent); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 6px; } /* (cosmos labels, bubble, toolbar, panels and composer all live INSIDE the frame now — styled by arco-app.css, the app's real stylesheet) */ /* ── Simple page shell (signin / stubs) ── */ .page-wrap { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 96px 24px 48px; } .card { background: var(--bg-2); border: 1px solid var(--line); border-radius: 16px; width: 100%; max-width: 420px; overflow: hidden; box-shadow: var(--shadow); } .stub { text-align: center; max-width: 520px; } .stub h1 { font-size: 30px; margin-bottom: 12px; } .stub p { color: var(--dim); line-height: 1.7; } .stub .btn { margin-top: 22px; } @media (max-width: 760px) { /* TOP BAR: logo far-left (un-fixed into the flow), smaller CTAs, and Enterprise/Pricing/theme tucked into a hamburger menu on the far right. */ .topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; gap: 8px; } .tb-left { position: static; } .tb-left img { height: 22px; } .tb-left .tb-name { font-size: 15px; } .tb-center { grid-column: auto; justify-self: auto; gap: 8px; } .tb-center .btn { padding: 6px 11px; font-size: 12.5px; border-radius: 8px; } .tb-burger { display: inline-flex; } .tb-right { grid-column: auto; justify-self: auto; position: absolute; top: calc(100% + 2px); right: 10px; flex-direction: column; align-items: stretch; gap: 2px; min-width: 156px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 8px; box-shadow: var(--shadow); display: none; } .topbar.menu-open .tb-right { display: flex; } .tb-right .tb-link { display: block; padding: 9px 10px; border-radius: 8px; font-size: 14px; } .tb-right .tb-link:hover { background: var(--accent-soft); } .tb-right .theme-btn { align-self: flex-start; margin-top: 2px; } /* PHONE bands: no fixed 100vh, no hero-peek pull, and a right inset (~46px) so content + screenshots clear the nav rail. The screenshots shrink to the inset width = "smaller, with room for the map". */ .hero, .hero-split { padding: 15vh 46px 6vh 4vw; min-height: 86vh; } .shot-band { height: auto; min-height: auto; margin-top: 0; padding: 4vh 46px 6vh 4vw; } .shot-band img { max-width: 100%; } .cosmos-band { height: auto; min-height: auto; padding: 7vh 46px 5vh 4vw; } .cosmos-stage { width: 100%; height: 58vh; } .cosmos-band iframe.cosmos-frame { pointer-events: none; } /* don't trap touch-scroll on the 3D canvas */ .feat-band { min-height: auto; padding: 8vh 46px 8vh 5vw; } .eff-band { height: auto; min-height: auto; padding: 9vh 46px 9vh 6vw; } .cmd-band { min-height: auto; padding: 9vh 46px 9vh 6vw; } }