/* Case Study Page Styles */
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/Inter-latin.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/Inter-latin.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/Inter-latin.woff2') format('woff2'); }

* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary: #f85d3b; --primary-hover: #ff7a5c; --secondary: #884fff;
    --accent: #f85d3b; --success: #66fabc; --bg-dark: #0b0912; --bg-darker: #06050a;
    --bg-card: rgba(255,255,255,0.03); --text-primary: #f1f5f9; --text-secondary: #94a3b8;
    --text-muted: #64748b; --border: rgba(255,255,255,0.08); --border-hover: rgba(255,255,255,0.15);
    --glow-orange: rgba(248,93,59,0.4); --glow-purple: rgba(136,79,255,0.4);
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark); color: var(--text-primary); line-height: 1.7;
    -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body::before {
    content: ''; position: fixed; inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 40px 40px; opacity: 0.1; pointer-events: none; z-index: 0;
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

/* Navbar */
.navbar { background: rgba(11,9,18,0.7); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); position: fixed; top: 0; left: 0; right: 0; z-index: 1000; transition: all 0.3s ease; }
.navbar.scrolled { background: rgba(11,9,18,0.95); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 18px; font-weight: 700; color: var(--text-primary); }
.logo-text { background: linear-gradient(135deg, #f85d3b, #884fff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; gap: 36px; }
.nav-links a { text-decoration: none; color: var(--text-secondary); font-size: 14px; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: var(--text-primary); }
.hire-btn { background: var(--primary); color: #fff; padding: 11px 26px; border-radius: 50px; font-size: 14px; font-weight: 600; text-decoration: none; transition: all 0.3s; }
.hire-btn:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 4px 20px var(--glow-orange); }
.mobile-menu-btn { display: none; background: none; border: none; color: var(--text-primary); font-size: 24px; cursor: pointer; }

/* Hero */
.case-hero {
    min-height: 70vh; display: flex; align-items: center; position: relative; overflow: hidden;
    padding-top: 72px; border-bottom: 1px solid var(--border);
}
.case-hero::before {
    content: ''; position: absolute; width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(248,93,59,0.12) 0%, transparent 70%);
    top: -10%; right: -10%; filter: blur(60px); animation: heroFloat 15s ease-in-out infinite;
}
.case-hero::after {
    content: ''; position: absolute; width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(136,79,255,0.1) 0%, transparent 70%);
    bottom: -20%; left: -5%; filter: blur(60px); animation: heroFloat2 18s ease-in-out infinite;
}
@keyframes heroFloat { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-40px,30px)} }
@keyframes heroFloat2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(30px,-40px)} }
.case-hero .container { max-width: 1200px; margin: 0 auto; padding: 60px 24px; position: relative; z-index: 1; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); text-decoration: none; font-size: 13px; text-transform: uppercase; letter-spacing: 1px; font-family: 'Courier New', monospace; transition: all 0.3s; margin-bottom: 32px; }
.back-link:hover { color: var(--primary); transform: translateX(-4px); }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(248,93,59,0.08); border: 1px solid rgba(248,93,59,0.25); color: var(--primary); padding: 8px 18px; border-radius: 50px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 24px; }
.case-hero h1 { font-size: 56px; font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -2px; background: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 18px; color: var(--text-secondary); max-width: 650px; margin-bottom: 36px; }
.hero-meta { display: flex; gap: 16px; flex-wrap: wrap; }
.meta-item { display: flex; align-items: center; gap: 10px; background: var(--bg-card); border: 1px solid var(--border); padding: 12px 20px; border-radius: 12px; backdrop-filter: blur(10px); }
.meta-item i { color: var(--primary); font-size: 16px; }
.meta-item .label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-family: 'Courier New', monospace; }
.meta-item .value { font-size: 14px; font-weight: 600; color: var(--text-primary); }

/* Stats Bar */
.stats-bar { background: var(--bg-darker); border-bottom: 1px solid var(--border); padding: 48px 0; position: relative; }
.stats-bar::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--secondary), var(--success)); }
.stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.stat-item { text-align: center; padding: 20px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; transition: all 0.3s; }
.stat-item:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: 0 8px 30px rgba(248,93,59,0.1); }
.stat-icon { font-size: 24px; color: var(--primary); margin-bottom: 12px; display: block; }
.stat-number { font-size: 36px; font-weight: 800; color: var(--primary); display: block; letter-spacing: -1px; }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; font-family: 'Courier New', monospace; }

/* Content */
.case-content { max-width: 1000px; margin: 0 auto; padding: 80px 24px; position: relative; z-index: 1; }
.section-header { margin-bottom: 48px; }
.section-badge { display: inline-block; background: rgba(248,93,59,0.08); border: 1px solid rgba(248,93,59,0.25); color: var(--primary); padding: 6px 16px; border-radius: 50px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; font-family: 'Courier New', monospace; }
.section-title { font-size: 36px; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.section-subtitle { font-size: 16px; color: var(--text-secondary); max-width: 600px; }

/* Challenge/Result Cards */
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 32px 0; }
.card { padding: 32px; border-radius: 16px; border: 1px solid var(--border); position: relative; overflow: hidden; transition: all 0.3s; }
.card:hover { transform: translateY(-4px); }
.card-challenge { background: rgba(239,68,68,0.04); border-color: rgba(239,68,68,0.2); }
.card-challenge:hover { box-shadow: 0 12px 40px rgba(239,68,68,0.1); }
.card-result { background: rgba(102,250,188,0.04); border-color: rgba(102,250,188,0.2); }
.card-result:hover { box-shadow: 0 12px 40px rgba(102,250,188,0.1); }
.card-icon { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: 14px; font-size: 24px; margin-bottom: 20px; }
.card-challenge .card-icon { background: rgba(239,68,68,0.1); color: #ef4444; }
.card-result .card-icon { background: rgba(102,250,188,0.1); color: var(--success); }
.card h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* Tech Stack */
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin: 32px 0; }
.tech-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; text-align: center; transition: all 0.4s; position: relative; overflow: hidden; backdrop-filter: blur(10px); }
.tech-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--secondary)); opacity: 0; transition: opacity 0.3s; }
.tech-card:hover { border-color: var(--primary); transform: translateY(-6px); box-shadow: 0 16px 48px rgba(248,93,59,0.1); }
.tech-card:hover::before { opacity: 1; }
.tech-icon { width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; background: rgba(248,93,59,0.08); border: 1px solid rgba(248,93,59,0.2); border-radius: 16px; margin: 0 auto 16px; font-size: 28px; color: var(--primary); transition: all 0.3s; }
.tech-card:hover .tech-icon { background: rgba(248,93,59,0.15); transform: scale(1.1); box-shadow: 0 0 20px rgba(248,93,59,0.3); }
.tech-name { font-size: 16px; font-weight: 700; color: var(--text-primary); display: block; margin-bottom: 4px; }
.tech-version { font-size: 12px; color: var(--text-muted); font-family: 'Courier New', monospace; }
.tech-tag { display: inline-block; background: rgba(136,79,255,0.1); color: var(--secondary); font-size: 10px; padding: 4px 10px; border-radius: 20px; margin-top: 12px; text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }

/* Timeline */
.timeline { position: relative; padding-left: 40px; margin: 40px 0; }
.timeline::before { content: ''; position: absolute; left: 15px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary), var(--secondary), var(--success)); }
.timeline-item { position: relative; margin-bottom: 32px; padding: 24px 28px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; transition: all 0.3s; }
.timeline-item:hover { border-color: var(--primary); transform: translateX(8px); }
.timeline-dot { position: absolute; left: -33px; top: 28px; width: 12px; height: 12px; background: var(--primary); border-radius: 50%; border: 3px solid var(--bg-dark); box-shadow: 0 0 10px var(--glow-orange); }
.timeline-item:nth-child(2) .timeline-dot { background: var(--secondary); box-shadow: 0 0 10px var(--glow-purple); }
.timeline-item:nth-child(3) .timeline-dot { background: #ef4444; box-shadow: 0 0 10px rgba(239,68,68,0.4); }
.timeline-item:nth-child(4) .timeline-dot { background: var(--success); box-shadow: 0 0 10px rgba(102,250,188,0.4); }
.timeline-title { display: flex; align-items: center; gap: 12px; font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.timeline-title i { font-size: 18px; }
.timeline-text { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* Built Section */
.built-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 32px 0; }
.built-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; transition: all 0.3s; }
.built-card:hover { border-color: var(--primary); transform: translateY(-3px); }
.built-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.built-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(248,93,59,0.08); border-radius: 10px; color: var(--primary); font-size: 16px; flex-shrink: 0; }
.built-title { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.built-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }

/* Results List */
.results-list { display: flex; flex-direction: column; gap: 16px; margin: 32px 0; }
.result-item { display: flex; align-items: center; gap: 16px; padding: 20px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; transition: all 0.3s; }
.result-item:hover { border-color: var(--success); transform: translateX(8px); }
.result-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: rgba(102,250,188,0.08); border-radius: 12px; color: var(--success); font-size: 20px; flex-shrink: 0; }
.result-value { font-size: 24px; font-weight: 800; color: var(--success); min-width: 100px; }
.result-desc { font-size: 14px; color: var(--text-secondary); }

/* CTA */
.cta-box { background: linear-gradient(135deg, rgba(248,93,59,0.08), rgba(136,79,255,0.08)); border: 1px solid var(--border); border-radius: 20px; padding: 60px 40px; text-align: center; margin-top: 80px; position: relative; overflow: hidden; }
.cta-box::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--secondary), var(--success)); }
.cta-box h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
.cta-box p { font-size: 16px; color: var(--text-secondary); max-width: 500px; margin: 0 auto 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: var(--primary); color: #fff; padding: 16px 36px; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 10px; transition: all 0.3s; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 8px 30px var(--glow-orange); }
.btn-secondary { background: transparent; color: var(--text-primary); padding: 16px 36px; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 15px; border: 1px solid var(--border-hover); display: inline-flex; align-items: center; gap: 10px; transition: all 0.3s; }
.btn-secondary:hover { border-color: var(--text-primary); background: rgba(255,255,255,0.05); transform: translateY(-2px); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 24px; text-align: center; }
.footer p { color: var(--text-muted); font-size: 14px; }

/* Reveal Animation */
.reveal { opacity: 1; transform: translateY(0); transition: all 0.8s cubic-bezier(0.4,0,0.2,1); }
.reveal.animate { opacity: 0; transform: translateY(30px); }
.reveal.animate.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Responsive */
@media (max-width: 1024px) {
    .card-grid { grid-template-columns: 1fr; }
    .built-grid { grid-template-columns: 1fr; }
    .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: rgba(11,9,18,0.95); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border); padding: 20px; flex-direction: column; gap: 16px; }
    .nav-links.active { display: flex; }
    .mobile-menu-btn { display: block; }
    .case-hero h1 { font-size: 36px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .tech-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 28px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .case-hero h1 { font-size: 28px; }
    .cta-box { padding: 40px 24px; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }