/* SuperCharting public site shell (round 31): the look of tradingview.com's marketing pages, measured 2026-10-26 —
black page, white 600-weight display headlines, #b8b8b8 body text, 14-16px system UI font, white 8px-radius primary
buttons, outline secondary buttons, 16px-radius cards on a faint glow, a slim top bar and a column footer.
SuperCharting's own name, logo, words and prices; no TradingView marks, text or images.
Every public page links this file first, then its own page CSS. Light theme follows the visitor's system setting.
Shared markup (copy exactly):
... page ...
*/
@font-face { font-family: Inter; font-style: normal; font-weight: 400; font-display: swap; src: url('/pub/fonts/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: Inter; font-style: normal; font-weight: 500; font-display: swap; src: url('/pub/fonts/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: Inter; font-style: normal; font-weight: 600; font-display: swap; src: url('/pub/fonts/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: Inter; font-style: normal; font-weight: 700; font-display: swap; src: url('/pub/fonts/inter-latin-700-normal.woff2') format('woff2'); }
:root {
--sx-bg: #000000; --sx-bg2: #0f0f0f; --sx-card: #141414; --sx-card2: #1a1a1a; --sx-line: #2e2e2e; --sx-line2: #3d3d3d;
--sx-text: #ffffff; --sx-body: #b8b8b8; --sx-dim: #8c8c8c; --sx-accent: #2962ff; --sx-accent2: #1e53e5; --sx-green: #22ab94; --sx-red: #f23645;
--sx-btn: #f2f2f2; --sx-btn-text: #000000; --sx-btn-hover: #ffffff; --sx-ghost-hover: rgba(255,255,255,.08);
--sx-glow: radial-gradient(1200px 500px at 50% -10%, rgba(41,98,255,.35), rgba(120,60,255,.12) 40%, transparent 70%);
--sx-display: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
--sx-ui: -apple-system, BlinkMacSystemFont, "Trebuchet MS", Roboto, Ubuntu, sans-serif;
color-scheme: dark;
}
@media (prefers-color-scheme: light) {
:root { --sx-bg: #ffffff; --sx-bg2: #f8f9fd; --sx-card: #ffffff; --sx-card2: #f5f5f5; --sx-line: #e0e3eb; --sx-line2: #d1d4dc;
--sx-text: #0f0f0f; --sx-body: #4a4a4a; --sx-dim: #6a6d78; --sx-btn: #0f0f0f; --sx-btn-text: #ffffff; --sx-btn-hover: #2e2e2e; --sx-ghost-hover: rgba(0,0,0,.05);
--sx-glow: radial-gradient(1200px 500px at 50% -10%, rgba(41,98,255,.16), rgba(120,60,255,.06) 40%, transparent 70%); color-scheme: light; }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--sx-bg); color: var(--sx-body); font: 16px/1.6 var(--sx-ui); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--sx-text); margin: 0; }
.sx-display { font-family: var(--sx-display); font-weight: 600; letter-spacing: -.03em; }
.sx-wrap { max-width: 1360px; margin: 0 auto; padding: 0 40px; }
@media (max-width: 760px) { .sx-wrap { padding: 0 16px; } }
/* top bar */
.sx-top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 28px; height: 64px; padding: 0 40px;
background: color-mix(in srgb, var(--sx-bg) 82%, transparent); backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid transparent; }
.sx-top.scrolled { border-bottom-color: var(--sx-line); }
.sx-brand { display: flex; align-items: center; gap: 10px; color: var(--sx-text); font: 700 19px var(--sx-display); letter-spacing: -.02em; }
.sx-brand svg { width: 30px; height: 30px; flex: none; }
.sx-nav { display: flex; gap: 4px; margin-right: auto; }
.sx-nav a { padding: 8px 14px; border-radius: 40px; color: var(--sx-text); font-size: 15px; font-weight: 500; }
.sx-nav a:hover, .sx-nav a.on { background: var(--sx-ghost-hover); }
.sx-act { display: flex; gap: 10px; align-items: center; }
@media (max-width: 860px) { .sx-top { padding: 0 16px; gap: 12px; } .sx-nav { display: none; } }
/* buttons: TradingView's 'Start now' (filled, r8, 48 tall) and outline */
.sx-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 8px; border: 1px solid var(--sx-btn);
background: var(--sx-btn); color: var(--sx-btn-text); font: 500 15px var(--sx-ui); cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s; }
.sx-btn:hover { background: var(--sx-btn-hover); border-color: var(--sx-btn-hover); }
.sx-btn.sx-lg { height: 48px; padding: 0 24px; font-size: 16px; }
.sx-btn.sx-ghost { background: transparent; color: var(--sx-text); border-color: var(--sx-line2); }
.sx-btn.sx-ghost:hover { background: var(--sx-ghost-hover); }
.sx-btn.sx-blue { background: var(--sx-accent); border-color: var(--sx-accent); color: #fff; }
.sx-btn.sx-blue:hover { background: var(--sx-accent2); border-color: var(--sx-accent2); }
.sx-btn[disabled] { opacity: .55; cursor: default; }
.sx-pill { border-radius: 40px; }
/* hero */
.sx-hero { position: relative; text-align: center; padding: 96px 0 56px; background: var(--sx-glow); }
.sx-hero h1 { font: 600 clamp(44px, 7vw, 80px)/1 var(--sx-display); letter-spacing: -.035em; max-width: 920px; margin: 0 auto; }
.sx-hero p { font-size: clamp(17px, 2vw, 20px); max-width: 680px; margin: 22px auto 0; color: var(--sx-body); }
.sx-section { padding: 88px 0; }
.sx-section h2 { font: 600 clamp(32px, 4.5vw, 48px)/1.15 var(--sx-display); letter-spacing: -.03em; text-align: center; }
.sx-section .sx-lede { text-align: center; max-width: 680px; margin: 16px auto 0; font-size: 18px; }
/* cards */
.sx-card { background: var(--sx-card); border: 1px solid var(--sx-line); border-radius: 16px; padding: 28px; }
.sx-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
/* accordion (FAQ) */
.sx-faq { max-width: 960px; margin: 40px auto 0; }
.sx-faq details { border-bottom: 1px solid var(--sx-line); }
.sx-faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 26px 0;
color: var(--sx-text); font: 600 20px/1.3 var(--sx-ui); }
.sx-faq summary::-webkit-details-marker { display: none; }
.sx-faq summary::after { content: '+'; font: 300 32px/1 var(--sx-ui); color: var(--sx-text); transition: transform .2s; }
.sx-faq details[open] summary::after { transform: rotate(45deg); }
.sx-faq details > div { padding: 0 0 24px; max-width: 820px; }
/* footer */
.sx-foot { border-top: 1px solid var(--sx-line); margin-top: 40px; padding: 56px 40px 40px; font-size: 14px; }
.sx-foot .sx-cols { max-width: 1360px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
.sx-foot h4 { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--sx-dim); margin-bottom: 14px; font-weight: 600; }
.sx-foot a { display: block; color: var(--sx-body); padding: 4px 0; }
.sx-foot a:hover { color: var(--sx-text); }
.sx-foot .sx-small { max-width: 1360px; margin: 40px auto 0; color: var(--sx-dim); font-size: 12px; line-height: 1.6; }
@media (max-width: 860px) { .sx-foot { padding: 40px 16px; } .sx-foot .sx-cols { grid-template-columns: 1fr 1fr; } }
/* forms (sign in / sign up / account) */
.sx-field { display: block; margin: 0 0 16px; }
.sx-field span { display: block; font-size: 14px; color: var(--sx-text); margin-bottom: 6px; font-weight: 500; }
.sx-input { width: 100%; height: 44px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--sx-line2); background: var(--sx-bg2); color: var(--sx-text); font: 15px var(--sx-ui); outline: none; }
.sx-input:focus { border-color: var(--sx-accent); box-shadow: 0 0 0 3px rgba(41,98,255,.25); }
.sx-msg { font-size: 14px; color: var(--sx-red); min-height: 20px; }
.sx-msg.ok { color: var(--sx-green); }
/* phones: logo and both buttons fit 390px (the brand text shrinks, buttons tighten) */
@media (max-width: 480px) {
.sx-top { gap: 8px; }
.sx-brand { font-size: 17px; gap: 8px; } .sx-brand svg { width: 26px; height: 26px; }
.sx-act { gap: 6px; } .sx-act .sx-btn { height: 36px; padding: 0 12px; font-size: 14px; }
}
@media (max-width: 360px) { .sx-act .sx-ghost { display: none; } }
/* signed-in visitors: site.js swaps Sign in / Get started for Open charts / Account */
.sx-act .sx-in { display: none; }
html.sx-signed .sx-act .sx-out { display: none; } html.sx-signed .sx-act .sx-in { display: inline-flex; }
.sx-foot .sx-brand { display: inline-flex; padding: 0; margin-bottom: 10px; } /* the footer link rule must not undo the logo's layout */