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‎LICENSE‎

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MIT License
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Copyright (c) 2025
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎assets/logo.svg‎

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‎index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta name="description" content="Responsive multi-section page using modern CSS Grid and Flexbox." />
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<title>Aurora Layout — CSS Flex & Grid Showcase</title>
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<link rel="stylesheet" href="style.css" />
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<link rel="icon" href="assets/logo.svg" type="image/svg+xml">
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</head>
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<body>
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<!--
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[EN] Submission version — Comments in English
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Purpose: Demonstrate a clean, responsive layout using BOTH CSS Grid (2D) and Flexbox (1D).
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Where Grid is used:
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- .content-grid (main/aside two-column layout on wider screens)
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- footer areas
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Where Flex is used:
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- Navigation bar alignment and wrapping
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- Feature cards layout
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- Call-to-action section
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Responsive technique highlights:
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- Fluid type via clamp()
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- Relative units (rem, %), and logical properties
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- Media queries for mobile / tablet / desktop breakpoints
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- Reduced motion preferences respected
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-->
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<a class="skip-link" href="#main">Skip to main content</a>
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<header class="site-header" role="banner">
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<div class="container header-inner">
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<a class="brand" href="#" aria-label="Aurora Layout Home">
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<img src="assets/logo.svg" alt="" width="160" height="40" />
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</a>
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<nav class="site-nav" aria-label="Primary">
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<ul class="nav-list">
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<li><a href="#about">About</a></li>
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<li><a href="#features">Features</a></li>
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<li><a href="#demo">Demo</a></li>
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<li><a href="#contact">Contact</a></li>
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</ul>
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</nav>
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</div>
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</header>
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<section class="hero" id="about" aria-labelledby="hero-title">
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<div class="container hero-inner">
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<h1 id="hero-title">Modern CSS Layouts, Done Right</h1>
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<p class="lead">
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A responsive showcase built with semantic HTML5, CSS Grid, and Flexbox — adapting gracefully from mobile to desktop.
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</p>
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<div class="hero-actions">
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<a class="btn primary" href="#demo">See the Layout</a>
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<a class="btn" href="#features">Explore Features</a>
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</div>
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</div>
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</section>
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<section class="features" id="features" aria-labelledby="features-title">
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<div class="container">
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<h2 id="features-title">Why this layout works</h2>
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<ul class="feature-cards">
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<li class="card">
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<h3>CSS Grid</h3>
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<p>Robust two‑dimensional control over main layout areas (content + sidebar + footer clusters).</p>
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</li>
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<li class="card">
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<h3>Flexbox</h3>
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<p>Perfect for single‑axis alignment — navigations, action rows, and responsive card groups.</p>
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</li>
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<li class="card">
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<h3>Responsive by design</h3>
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<p>Fluid type, relative spacing, and media queries for mobile, tablet, and desktop breakpoints.</p>
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</li>
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<li class="card">
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<h3>Accessible & clean</h3>
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<p>Semantic landmarks, focus states, color contrast, and reduced motion awareness.</p>
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</li>
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</ul>
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</div>
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</section>
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<main id="main" class="container content-grid" aria-label="Main content">
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<article id="demo" class="content">
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<h2>Demo: Article Area</h2>
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<p>
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This area demonstrates the primary content column. On wider screens, it sits beside a sidebar using CSS Grid.
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On narrow screens, the grid collapses into a single column for a smooth reading experience.
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</p>
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<p>
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Resize your browser to watch the layout adapt: cards and navigation wrap using Flexbox, while this main section
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and the sidebar reflow via Grid template changes.
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</p>
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<section>
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<h3>Sample Subsection</h3>
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<p>
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Use this space to show a short article, a case study, or any content that benefits from a primary reading column.
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</p>
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<ul>
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<li>Grid governs macro page structure.</li>
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<li>Flex handles micro alignment and card wrapping.</li>
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<li>Media queries tweak gaps, columns, and font sizes.</li>
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</ul>
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</section>
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</article>
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<aside class="sidebar" aria-label="Sidebar">
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<h2>Sidebar</h2>
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<nav aria-label="In-page">
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<ul class="sidebar-links">
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<li><a href="#about">About</a></li>
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<li><a href="#features">Features</a></li>
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<li><a href="#demo">Demo</a></li>
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<li><a href="#contact">Contact</a></li>
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</ul>
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</nav>
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<div class="tip">
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<strong>Tip:</strong> Keep sidebars concise on mobile; expand on larger screens.
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</div>
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</aside>
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</main>
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<section class="cta" aria-labelledby="cta-title">
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<div class="container cta-inner">
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<h2 id="cta-title">Ready to build responsive layouts?</h2>
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<p>Start with a solid Grid for structure, then polish details with Flexbox.</p>
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<a class="btn primary" href="#contact">Get in touch</a>
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</div>
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</section>
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<footer class="site-footer" id="contact" role="contentinfo">
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<div class="container footer-grid">
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<section aria-label="Contact">
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<h3>Contact</h3>
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<ul>
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<li><a href="tel:+258847423047">(+258) 84 742 3047</a></li>
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<li><a href="mailto:[email protected]">[email protected]</a></li>
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</ul>
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</section>
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<section aria-label="Attribution">
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<h3>Project</h3>
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<ul>
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<li><a href="#about">Aurora Layout</a></li>
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<li><a href="#features">CSS Grid & Flexbox</a></li>
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</ul>
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</section>
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<section aria-label="Links">
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<h3>Links</h3>
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<ul>
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<li><a href="#demo">Demo</a></li>
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<li><a href="#contact">Contact</a></li>
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</ul>
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</section>
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</div>
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<p class="legal">© <span id="year"></span> Augusto Mate. All rights reserved.</p>
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</footer>
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<script>
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// Keep JS minimal and non-essential; the assignment focuses on CSS.
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// Sets the current year in the footer without relying on any library.
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document.getElementById('year').textContent = new Date().getFullYear();
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</script>
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</body>
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</html>

‎style.css‎

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/* ======================================================================
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Aurora Layout — CSS Flex & Grid Showcase
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Submission stylesheet (English comments)
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====================================================================== */
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/* Root design tokens */
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:root {
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--brand-1: #7C3AED;
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--brand-2: #06B6D4;
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--bg: #0b0b10;
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--surface: #12121a;
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--text: #e6e6f0;
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--muted: #b3b3c2;
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--accent: #f1f1ff;
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--ring: #ffffff;
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--radius: 16px;
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--container: min(110ch, 92vw);
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/* Fluid scale for typography and spacing */
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--step--1: clamp(0.78rem, 0.70rem + 0.3vw, 0.92rem);
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--step-0: clamp(0.95rem, 0.85rem + 0.5vw, 1.05rem);
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--step-1: clamp(1.20rem, 1.00rem + 0.9vw, 1.35rem);
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--step-2: clamp(1.55rem, 1.25rem + 1.2vw, 1.80rem);
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--step-3: clamp(2.00rem, 1.50rem + 1.8vw, 2.40rem);
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}
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/* Global resets & base */
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* { box-sizing: border-box; }
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html, body { height: 100%; }
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body {
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margin: 0;
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font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica Neue, Arial, sans-serif;
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background: radial-gradient(1200px 800px at 10% 0%, #12121a, #0b0b10);
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color: var(--text);
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font-size: var(--step-0);
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line-height: 1.6;
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}
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img { max-width: 100%; display: block; }
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a { color: #c9d8ff; text-decoration: none; }
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a:hover, a:focus { text-decoration: underline; }
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.skip-link {
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position: absolute; inset-inline-start: 0; inset-block-start: 0;
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background: var(--brand-2); color: #001015; padding: 0.5rem 0.75rem;
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transform: translateY(-120%); transition: transform 0.2s ease;
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z-index: 1000; border-bottom-right-radius: 8px; font-weight: 600;
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}
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.skip-link:focus { transform: translateY(0); }
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.container { width: var(--container); margin-inline: auto; padding-inline: 1rem; }
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/* Header — Flexbox for alignment */
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.site-header {
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position: sticky; top: 0; backdrop-filter: blur(6px);
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background: color-mix(in srgb, var(--surface) 70%, transparent);
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border-bottom: 1px solid #232330;
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z-index: 500;
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}
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.header-inner {
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display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.75rem 0;
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flex-wrap: wrap;
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}
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.nav-list {
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display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0;
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flex-wrap: wrap;
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}
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.nav-list a { display: inline-block; padding: 0.5rem 0.75rem; border-radius: 999px; }
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.nav-list a:hover { background: #1a1a26; }
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/* Hero */
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.hero { padding-block: 4rem 3rem; }
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.hero-inner { text-align: center; }
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.hero h1 { font-size: var(--step-3); line-height: 1.1; margin: 0 0 0.75rem; }
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.lead { color: var(--muted); font-size: var(--step-1); max-width: 60ch; margin: 0 auto; }
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.hero-actions { display: flex; gap: 0.75rem; justify-content: center; margin-top: 1.25rem; flex-wrap: wrap; }
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.btn {
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display: inline-block; padding: 0.65rem 1rem; border-radius: 999px;
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background: #1a1a26; color: var(--accent); border: 1px solid #24243a;
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font-weight: 600;
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}
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.btn.primary {
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background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
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border: none; color: #001015;
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}
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.btn:focus-visible { outline: 2px solid var(--ring); outline-offset: 2px; }
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/* Features — Flex cards that wrap */
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.features { padding-block: 2.5rem; }
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.feature-cards {
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display: flex; gap: 1rem; list-style: none; margin: 0; padding: 0;
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flex-wrap: wrap; justify-content: center;
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}
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.card {
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background: var(--surface); border: 1px solid #232330; border-radius: var(--radius);
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padding: 1rem; flex: 1 1 240px; max-width: 360px;
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}
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.card h3 { margin-top: 0.25rem; margin-bottom: 0.25rem; font-size: var(--step-1); }
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.card p { margin: 0; color: var(--muted); }
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/* Main content — CSS Grid controls macro layout */
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.content-grid {
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display: grid; gap: 1.25rem; align-items: start;
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grid-template-columns: 1fr; /* mobile first */
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padding-block: 2rem;
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}
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.content-grid .content, .content-grid .sidebar {
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background: var(--surface); border: 1px solid #232330; border-radius: var(--radius); padding: 1rem;
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}
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.sidebar-links { list-style: none; margin: 0; padding: 0; }
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.sidebar-links li + li { margin-top: 0.35rem; }
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.tip { margin-top: 1rem; color: var(--muted); font-size: var(--step--1); }
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/* CTA — Flex for alignment */
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.cta { padding-block: 2.5rem; }
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.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
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.cta-inner h2 { margin: 0; font-size: var(--step-2); }
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/* Footer — Grid clusters */
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.site-footer { border-top: 1px solid #232330; margin-top: 2rem; padding-top: 1rem; }
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.footer-grid {
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display: grid; gap: 1rem;
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grid-template-columns: 1fr;
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padding-block: 1rem 0.5rem;
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}
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.site-footer h3 { margin: 0 0 0.25rem; font-size: 1rem; }
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.site-footer ul { list-style: none; margin: 0; padding: 0; }
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.site-footer li + li { margin-top: 0.25rem; }
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.legal { text-align: center; color: var(--muted); font-size: var(--step--1); margin: 0.5rem 0 1.25rem; }
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/* Breakpoints */
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@media (min-width: 48rem) {
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.content-grid {
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grid-template-columns: 2fr 1fr; /* article + sidebar */
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}
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.footer-grid {
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grid-template-columns: repeat(3, 1fr);
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}
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}
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@media (min-width: 64rem) {
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.hero { padding-block: 5rem 3.25rem; }
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.content-grid { gap: 1.5rem; }
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.feature-cards { gap: 1.25rem; }
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}
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/* Reduced motion */
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@media (prefers-reduced-motion: reduce) {
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* { animation: none !important; transition: none !important; }
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}

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