/* ============================================================ Inventopedia.ai — Soft Launch Site Visual system: Health Copilot AI brand cascade (slate ink #1E293B lead · maroon #780003 signature accent · cool-slate mesh · glass surfaces · Inter + Lora) Logo-derived blue used sparingly as the AI/.ai cue. ============================================================ */ :root { /* HCAI primitives */ --slate-900: #0F172A; --slate-800: #1E293B; --slate-700: #334155; --slate-600: #475569; --slate-500: #64748B; --slate-300: #CBD5E1; --slate-200: #E2E8F0; --slate-100: #F1F5F9; --slate-50: #F8FAFC; --white: #FFFFFF; --maroon: #780003; /* HCAI signature secondary */ --maroon-hover: #600002; --maroon-soft: #FDF2F2; --rose: #B87C7C; /* logo-derived cool accent — used sparingly */ --ai-blue: #226A9B; --ai-cyan: #3AACC6; --ink: var(--slate-900); --text: var(--slate-800); --muted: var(--slate-500); --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; --font-serif: "Lora", Georgia, "Times New Roman", serif; --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 22px; --r-2xl: 28px; --r-pill: 9999px; --sh-sm: 0 1px 3px rgba(15,23,42,.08), 0 1px 2px rgba(15,23,42,.04); --sh-md: 0 4px 12px rgba(15,23,42,.08), 0 2px 4px rgba(15,23,42,.04); --sh-lg: 0 12px 32px rgba(15,23,42,.10), 0 4px 8px rgba(15,23,42,.05); --sh-xl: 0 24px 48px rgba(15,23,42,.14), 0 8px 16px rgba(15,23,42,.06); --glass-bg: rgba(255,255,255,.72); --glass-bd: rgba(30,41,59,.10); --maxw: 1120px; } * { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; font-family: var(--font-sans); color: var(--text); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; /* `clip` (not `hidden`): contains horizontal overflow WITHOUT turning into a scroll container. `overflow-x: hidden` here forces overflow-y to a scrollable value, which (with scroll-behavior: smooth) traps the scroll after an in-page anchor jump so you can't scroll back to the top. */ overflow-x: clip; } h1, h2, h3 { margin: 0; color: var(--ink); letter-spacing: -0.02em; line-height: 1.12; } p { margin: 0; } a { color: inherit; } .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; } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } } /* ---------- shared atoms ---------- */ .eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--maroon); } .btn { display: inline-flex; align-items: center; justify-content: center; font-family: inherit; font-weight: 600; font-size: .95rem; border: 1px solid transparent; border-radius: var(--r-md); padding: 13px 22px; cursor: pointer; white-space: nowrap; text-decoration: none; transition: transform .15s ease, background .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease; } .btn--primary { background: var(--maroon); color: #fff; box-shadow: 0 10px 22px rgba(120,0,3,.20); } .btn--primary:hover { background: var(--maroon-hover); transform: translateY(-1px); box-shadow: 0 14px 28px rgba(120,0,3,.26); } .btn--ghost { background: transparent; color: var(--slate-700); border-color: var(--slate-200); } .btn--ghost:hover { background: var(--slate-50); border-color: var(--slate-300); color: var(--ink); } .brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); } .brand__mark { width: 30px; height: auto; display: block; } .brand__word { font-weight: 800; font-size: 1.12rem; letter-spacing: -.03em; } .brand__ai { color: var(--ai-cyan); } .pill { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 600; color: var(--slate-600); background: var(--slate-100); border: 1px solid var(--slate-200); padding: 6px 13px; border-radius: var(--r-pill); } .pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ai-cyan); box-shadow: 0 0 0 0 rgba(58,172,198,.5); animation: pulse 2.4s infinite; } @keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(58,172,198,.5);} 70%{box-shadow:0 0 0 8px rgba(58,172,198,0);} 100%{box-shadow:0 0 0 0 rgba(58,172,198,0);} } /* ---------- nav ---------- */ .nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.78); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--slate-100); } .nav__inner { max-width: var(--maxw); margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; } .nav__right { display: flex; align-items: center; gap: 14px; } /* ---------- hero ---------- */ .hero { position: relative; overflow: hidden; } .hero__mesh { position: absolute; inset: -20% -10% auto -10%; height: 140%; background: radial-gradient(40% 50% at 18% 12%, rgba(58,172,198,.16), transparent 70%), radial-gradient(45% 55% at 82% 8%, rgba(34,106,155,.14), transparent 72%), radial-gradient(38% 48% at 88% 78%, rgba(120,0,3,.07), transparent 70%), linear-gradient(180deg, var(--slate-50) 0%, var(--white) 60%); z-index: 0; } .hero__inner { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; padding: 72px 24px 84px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; } .hero__copy { max-width: 600px; } .hero__title { margin-top: 18px; font-size: clamp(2.5rem, 5.4vw, 3.9rem); font-weight: 800; line-height: 1.04; letter-spacing: -.035em; } .title-accent { font-family: var(--font-serif); font-style: italic; font-weight: 500; color: var(--maroon); letter-spacing: -.01em; } .hero__lede { margin-top: 22px; font-size: 1.18rem; color: var(--slate-600); max-width: 540px; } .notify { margin-top: 30px; display: flex; gap: 10px; max-width: 480px; } .notify input { flex: 1; min-width: 0; font-family: inherit; font-size: 1rem; color: var(--ink); background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--r-md); padding: 13px 16px; outline: none; transition: border-color .2s ease, box-shadow .2s ease; } .notify input::placeholder { color: var(--slate-500); } .notify input:focus { border-color: var(--ai-blue); box-shadow: 0 0 0 3px rgba(34,106,155,.12); } .notify--center { margin-left: auto; margin-right: auto; } .notify.is-success input { border-color: var(--ai-cyan); background: #f5fbfc; } .notify__hint { margin-top: 12px; font-size: .86rem; color: var(--muted); } .notify__hint.is-success { color: var(--ai-blue); font-weight: 600; } .trust { list-style: none; padding: 0; margin: 34px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .9rem; font-weight: 500; color: var(--slate-700); } .trust li { display: flex; align-items: center; gap: 9px; } .trust li::before { content: ""; width: 16px; height: 16px; border-radius: 50%; flex: none; background: url("data:image/svg+xml;utf8,") center/11px no-repeat, var(--ai-blue); } /* hero visual */ .hero__visual { position: relative; display: grid; place-items: center; min-height: 360px; } .hero__halo { position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(58,172,198,.22), rgba(34,106,155,.10) 55%, transparent 72%); filter: blur(8px); animation: float 7s ease-in-out infinite; } .hero__bulb { position: relative; width: min(82%, 360px); height: auto; filter: drop-shadow(0 24px 48px rgba(15,23,42,.18)); animation: float 7s ease-in-out infinite; } @keyframes float { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); } } /* ---------- promise band ---------- */ .band { max-width: 880px; margin: 0 auto; padding: 76px 24px; text-align: center; } .band__kicker { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--maroon); } .band__statement { margin-top: 16px; font-size: clamp(1.4rem, 3vw, 1.95rem); font-weight: 600; color: var(--ink); line-height: 1.35; letter-spacing: -.02em; } .band__statement strong { color: var(--maroon); font-weight: 700; } .band__statement em { font-family: var(--font-serif); font-style: italic; font-weight: 500; color: var(--slate-700); } /* ---------- sections ---------- */ .section { max-width: var(--maxw); margin: 0 auto; padding: 84px 24px; } .section--alt { max-width: none; background: var(--slate-50); border-top: 1px solid var(--slate-100); border-bottom: 1px solid var(--slate-100); } .section--alt .section__head, .section--alt .cards { max-width: var(--maxw); margin-left: auto; margin-right: auto; } .section__head { max-width: 620px; margin: 0 auto 52px; text-align: center; } .section__head h2 { margin-top: 14px; font-size: clamp(1.9rem, 4vw, 2.6rem); font-weight: 800; letter-spacing: -.03em; } .section__head p { margin-top: 16px; font-size: 1.1rem; color: var(--slate-600); } /* ---------- steps ---------- */ .steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; } .step { position: relative; background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--r-lg); padding: 26px 22px; box-shadow: var(--sh-sm); transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; } .step::after { content: ""; position: absolute; left: 22px; right: 22px; top: 0; height: 3px; border-radius: 0 0 3px 3px; background: linear-gradient(90deg, var(--ai-blue), var(--ai-cyan)); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; } .step:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); border-color: var(--slate-300); } .step:hover::after { transform: scaleX(1); } .step__n { font-size: .82rem; font-weight: 700; color: var(--ai-blue); letter-spacing: .06em; } .step h3 { margin: 10px 0 8px; font-size: 1.2rem; font-weight: 700; } .step p { font-size: .92rem; color: var(--slate-600); line-height: 1.5; } /* ---------- cards ---------- */ .cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; } .card { background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--r-xl); padding: 32px 28px; box-shadow: var(--sh-sm); transition: transform .2s ease, box-shadow .2s ease; } .card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); } .card__icon { width: 52px; height: 52px; border-radius: var(--r-md); display: grid; place-items: center; margin-bottom: 18px; color: var(--slate-800); background: var(--slate-100); border: 1px solid var(--slate-200); } .card__icon svg { width: 26px; height: 26px; } .card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; } .card p { color: var(--slate-600); } /* ---------- editorial quote ---------- */ .quote { max-width: 880px; margin: 0 auto; padding: 30px 24px 70px; text-align: center; } .quote__line { font-family: var(--font-serif); font-style: italic; font-weight: 500; font-size: clamp(1.5rem, 3.4vw, 2.2rem); line-height: 1.35; color: var(--slate-700); letter-spacing: -.01em; } /* ---------- closing CTA ---------- */ .cta { max-width: var(--maxw); margin: 0 auto; padding: 0 24px 100px; } .cta__card { position: relative; overflow: hidden; text-align: center; background: linear-gradient(160deg, var(--slate-900), var(--slate-800) 60%, #20303f); color: var(--white); border-radius: var(--r-2xl); padding: 72px 32px; box-shadow: var(--sh-xl); } .cta__card::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; top: -160px; right: -120px; background: radial-gradient(circle, rgba(58,172,198,.28), transparent 65%); } .cta__card::after { content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%; bottom: -180px; left: -100px; background: radial-gradient(circle, rgba(120,0,3,.30), transparent 68%); } .cta__card h2 { position: relative; color: #fff; font-size: clamp(1.9rem, 4.4vw, 2.8rem); font-weight: 800; letter-spacing: -.03em; } .cta__card p { position: relative; margin: 16px auto 30px; max-width: 520px; color: rgba(255,255,255,.78); font-size: 1.1rem; } .cta__card .notify { position: relative; } .cta__card .notify input { background: rgba(255,255,255,.95); border-color: transparent; } .cta__card .notify__hint { color: rgba(255,255,255,.6); } .cta__card .notify__hint.is-success { color: var(--ai-cyan); } /* ---------- footer ---------- */ .footer { background: var(--slate-900); color: var(--white); } .footer__inner { max-width: var(--maxw); margin: 0 auto; padding: 52px 24px; text-align: center; } .footer__brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.12rem; } .footer__mark { width: 26px; height: auto; } .footer__tag { margin-top: 14px; color: rgba(255,255,255,.66); font-size: .98rem; } .footer__small { margin-top: 8px; color: rgba(255,255,255,.38); font-size: .78rem; } .footer__hcai { margin-top: 36px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-direction: column; align-items: center; gap: 12px; } .footer__hcai-mark { width: 40px; height: auto; opacity: .85; } .footer__meta { margin: 0; color: rgba(255,255,255,.55); font-size: .86rem; letter-spacing: .01em; } /* ---------- responsive ---------- */ @media (max-width: 860px) { .hero__inner { grid-template-columns: 1fr; gap: 24px; padding-top: 44px; padding-bottom: 60px; } .hero__visual { order: -1; min-height: 220px; } .hero__bulb { width: 180px; } .steps { grid-template-columns: repeat(2, 1fr); } .cards { grid-template-columns: 1fr; } .nav__cta { display: none; } } @media (max-width: 540px) { .section { padding: 60px 20px; } .steps { grid-template-columns: 1fr; } .notify { flex-direction: column; } .notify .btn { width: 100%; } .pill { display: none; } .cta__card { padding: 52px 22px; } }