--- version: "alpha" name: "Dark SaaS Hero with Liquid Glass" description: "Hero SaaS dark com liquid glass, vídeo de fundo espacial, navbar pill, marquee social proof e CTA verde vibrante. Prompt pronto para IA generativa." colors: primary: "#87FB89" typography: h1: fontFamily: Geist Sans fontSize: 2.5rem fontWeight: 700 body-md: fontFamily: Geist Sans fontSize: 1rem fontWeight: 400 components: button-primary: backgroundColor: "{colors.primary}" padding: 12px --- ## Overview Hero SaaS dark com liquid glass, vídeo de fundo espacial, navbar pill, marquee social proof e CTA verde vibrante. Prompt pronto para IA generativa. Evolução do glassmorphism para liquid glass em 2025-2026, combinando backdrop-filter com pseudo-elements de borda gradiente via mask-composite. O padrão dark SaaS hero com vídeo de fundo e social proof marquee tornou-se a assinatura visual de startups tech modernas, popularizado por ferramentas como Linear, Vercel e Stripe. - Density: 5/10 — Balanced - Variance: 4/10 — Moderate - Motion: 8/10 — Cinematic - **Style:** Dark SaaS, Liquid Glass, Video Background, Marquee Social Proof - **Keywords:** dark SaaS, liquid glass, video background, hero section, marquee, social proof, green accent, backdrop blur, glass morphism, navbar pill, announcement badge, CTA buttons - **Era:** 2025-2026 SaaS/AI Startup - **Light/Dark:** ✗ None / ✓ Full ## Colors - **Primary** (#87FB89) — Primary accent, CTAs and interactive elements ## Typography - **Display / Hero:** Geist Sans — Weight 700, tight tracking, used for headline impact - **Body:** Geist Sans — Weight 400, 16px/1.6 line-height, max 72ch per line - **UI Labels / Captions:** Geist Sans — 0.875rem, weight 500, slight letter-spacing - **Monospace:** JetBrains Mono — Used for code, metadata, and technical values Scale: - Hero: clamp(2.5rem, 5vw, 4rem) - H1: 2.25rem - H2: 1.5rem - Body: 1rem / 1.6 - Small: 0.875rem ## Layout - **Grid:** CSS Grid primary. Max-width containment: 1280px centered with 1.5rem side padding. - **Spacing rhythm:** Balanced. Base unit: 0.5rem (8px). - **Section vertical gaps:** clamp(4rem, 8vw, 8rem). - **Hero layout:** Split-screen (text left, visual right). - **Feature sections:** Zig-zag alternating text+image rows. No 3-equal-columns. - **Mobile collapse:** All multi-column layouts collapse below 768px. No horizontal overflow. - **z-index contract:** base (0) / sticky-nav (100) / overlay (200) / modal (300) / toast (500). ## Elevation & Depth Liquid glass com backdrop-filter blur(4px) e pseudo-element gradient border via mask-composite, video background full-screen (Terra rotacionando do espaço) com autoPlay loop muted playsInline object-cover absolute inset-0, marquee horizontal infinito translateX(0%) a translateX(-50%) em 20s linear infinite, hover suave em botões e links (200ms transition) - **Physics:** Spring — stiffness 120, damping 20. Confident, weighted transitions. - **Entry animations:** Fade + translate-Y (16px → 0) over 540ms ease-out. Staggered cascades for lists: 120ms between items. - **Hover states:** Scale(1.03) + shadow lift over 200ms. - **Page transitions:** Fade + slide (300ms). - **Performance:** Only transform and opacity animated. No layout-triggering properties. ## Shapes Base corner radius: 9999px. See rounded tokens in front matter for the full scale. ## Components - **Primary Button:** Pill-shaped (9999px) shape. Accent color fill. Hover: 8% darken + subtle lift shadow. Active: -1px translate tactile press. Font weight 600. No outer glows. - **Secondary / Ghost Button:** Outline variant. 1.5px border in muted color. Text in primary color. Hover: subtle background fill. - **Cards:** Pill-shaped (9999px) corners. Surface background. Subtle shadow (0 2px 12px rgba(0,0,0,0.06)). 1px border stroke. - **Inputs:** Label above input. 1px border stroke. Focus ring: 2px accent color offset 2px. Error text below in semantic red. No floating labels. - **Navigation:** Primary surface background. Active item: accent color indicator. Font weight 500 when active. - **Skeletons:** Shimmer animation matching component dimensions. No circular spinners. - **Empty States:** Icon-based composition with descriptive text and action button. ## Do's and Don'ts - No emojis in UI — use icon system only (Lucide, Heroicons) - No pure white (#FFFFFF) backgrounds — use off-white or dark surfaces - No oversaturated accent colors (saturation cap: 80%) - No 3-column equal-width feature layouts — use zig-zag or asymmetric grid - No `h-screen` — use `min-h-[100dvh]` - No AI copywriting clichés: "Elevate", "Seamless", "Unleash", "Next-Gen" - No broken external image links — use picsum.photos or inline SVG - No generic lorem ipsum in demos - Do Fundo escuro hsl(260,87%,3%) com leve tom roxo - Do Vídeo background full-screen da Terra do espaço - Do Classe .liquid-glass reutilizável com backdrop-filter e pseudo-element gradient border - Do Navbar pill centralizada liquid-glass com logo + nav items + CTA verde - Do Badge de anúncio liquid-glass rounded-full - Do Heading text-7xl semibold tracking-tight - Do Dois botões CTA (verde primary + liquid-glass secondary) - Do Marquee social proof com 6 marcas em loop infinito 20s - Do Fonte Geist Sans 400-700 - Do Cor primária verde #87FB89 ## Use Case SaaS B2B, Ferramentas de IA, Plataformas de desenvolvedores, Landing pages tech, Startups, APIs e SDKs