/* 
  ================================================================
  Systems Architecture: applisum.css (STATIC RAPTOR ENGINE)
  Full content 1:1 Reconstruction | Zero JavaScript Bloat
  ================================================================ 
*/

:root {
    --applisum-primary: #d32f2f;
    --applisum-dark: #1a1a1a;
    --applisum-light: #ffffff;
    --applisum-gray: #6d6d6d;
    --applisum-black: #000000;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Source Sans Pro', sans-serif; color: var(--applisum-gray); line-height: 1.6; }
.applisum-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* Header & Top Bar */
.applisum-top-bar { background: var(--applisum-black); color: #fff; padding: 10px 0; font-size: 14px; text-align: center; }
.applisum-header { background: #fff; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.applisum-nav { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
.applisum-logo img { height: 70px; }
.applisum-menu { display: flex; list-style: none; gap: 20px; }
.applisum-menu a { text-decoration: none; color: #333; font-weight: 700; font-size: 14px; }

/* Pure CSS Raptor Slider */
.applisum-slider-wrap { position: relative; height: 85vh; overflow: hidden; background: #000; }
.applisum-slide { 
    position: absolute; width: 100%; height: 100%; 
    opacity: 0; animation: sliderFade 15s infinite; 
    display: flex; align-items: center; justify-content: center; text-align: center; color: #fff;
    background-size: cover; background-position: center;
}
.applisum-slide:nth-child(2) { animation-delay: 5s; }
.applisum-slide:nth-child(3) { animation-delay: 10s; }

@keyframes sliderFade {
    0%, 20%, 100% { opacity: 0; }
    33%, 53% { opacity: 1; }
}

.applisum-hero-content h1 { font-size: clamp(2.5rem, 8vw, 5rem); text-transform: uppercase; margin-bottom: 20px; line-height: 1; }
.applisum-btn { 
    background: var(--applisum-primary); color: #fff; padding: 18px 45px; 
    text-decoration: none; font-weight: 900; display: inline-block; 
}

/* Service Blocks */
.applisum-section { padding: 100px 0; }
.applisum-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 40px; }
.applisum-card { text-align: center; background: #fff; }
.applisum-card img { width: 100%; height: 300px; object-fit: cover; border-radius: 4px; }
.applisum-card h2 { margin: 20px 0 10px; color: #222; font-size: 24px; letter-spacing: 1px; }

/* Value Proposition */
.applisum-bg-light { background: #f9f9f9; }
.applisum-list { list-style: none; margin-top: 30px; }
.applisum-list li { margin: 10px 0; font-weight: 800; color: #222; display: flex; align-items: center; gap: 10px; }
.applisum-list li::before { content: "✔"; color: var(--applisum-primary); }

/* Signature Footer */
.applisum-signature-footer { background: var(--applisum-black); color: #fff; padding: 60px 0; text-align: center; }
.applisum-footer-content { max-width: 600px; margin: 0 auto; line-height: 2; font-size: 15px; }
.applisum-bottom-seal { height: 100px; background: #000; border-top: 1px solid #222; display: flex; align-items: center; justify-content: center; font-size: 11px; letter-spacing: 2px; }

@media (max-width: 768px) {
    .applisum-menu { display: none; }
    .applisum-hero-content h1 { font-size: 3rem; }
}