Startup — Business Landing Template — Référence de design web et prompt

> A SELF-CONTAINED, PIXEL-FAITHFUL REPRODUCTION OF THE "STARTUP" NEXT.JS TEMPLATE (BY NEXTJSTEMPLATES / ULDECK), REBUILT AS PLAIN HTML + CSS + VANILLA JS WITH NO BUILD STEP. EVERY PAGE, THE FULL LOOK & FEEL, HOVER STATES, MOBILE MENU, DROPDOWN NAV, STICKY HEADER, LIGHT/DARK THEME TOGGLE, AND SCROLL/ENTRANCE BEHAVIOR ARE REPRODUCED FROM CAPTURED REFERENCE ARTIFACTS. ALL ASSETS (FONTS, IMAGES, ICONS) ARE VENDORED LOCALLY AND IT RUNS OFFLINE.

REFERENCE: `https://startup.demo.nextjstemplates.com`

## SUMMARY

STARTUP IS A FREE, OPEN-SOURCE NEXT.JS + TAILWIND CSS TEMPLATE FOR STARTUP, SAAS, AND BUSINESS MARKETING SITES. IT SHIPS WITH A DARK-BY-DEFAULT UI (WITH A LIGHT MODE TOGGLE), A LANDING PAGE WITH FEATURES/PRICING/TESTIMONIALS/BLOG-PREVIEW/CONTACT SECTIONS, PLUS SECONDARY PAGES: ABOUT, BLOG GRID, BLOG DETAILS (TWO VARIANTS - WITH AND WITHOUT SIDEBAR), CONTACT/SUPPORT, SIGN IN, SIGN UP, AND A 404/ERROR PAGE. THE HEADER, FOOTER, THEME TOGGLE, MOBILE HAMBURGER MENU, AND "PAGES" DROPDOWN ARE SHARED ACROSS EVERY PAGE.

## STYLE

- **PALETTE (DARK - DEFAULT):** PAGE BACKGROUND `#000000`/`rgb(18,23,35)` (BODY DARK BG), CARD/PANEL SURFACES `rgba(255,255,255,0.03)`–`#1b2331`-ISH TRANSLUCENT WHITE OVERLAYS, BORDER `rgba(255,255,255,0.1)`, PRIMARY TEXT WHITE, MUTED TEXT `#8899ac`/GRAY-400 TAILWIND SHADES, DIVIDER LINES `rgba(255,255,255,0.1)`.
- **PALETTE (LIGHT):** PAGE BACKGROUND `#FCFCFC`, CARD SURFACES WHITE/`#F8F9FF`, PRIMARY TEXT `#1D2144`-ISH DARK NAVY, MUTED TEXT GRAY-600.