.hero-section.billboard{min-height:calc(100vh - var(--header-height) - 60px);display:flex;align-items:center;justify-content:center;padding:0;margin-bottom:20px;text-align:left;overflow:visible}.hero-billboard-content{display:flex;align-items:center;justify-content:space-between;gap:60px;width:100%}.hero-text{flex:1.2}.hero-text h1{font-size:3.5rem;font-weight:800;margin-bottom:20px;line-height:1.1;letter-spacing:-1.5px}.hero-visual{flex:1;display:flex;justify-content:flex-end;align-items:center;position:relative;height:600px;overflow:hidden}.perspective-container{position:absolute;right:-100px;width:800px;height:800px;perspective:1200px;display:flex;align-items:center;justify-content:center;pointer-events:auto}.icon-wall{display:grid;grid-template-columns:repeat(6,110px);gap:15px;transform:rotateX(15deg) rotateY(-40deg) rotate(5deg);transform-style:preserve-3d;animation:wallDrift 30s ease-in-out infinite alternate}.wall-item{width:110px;height:110px;background:#24292e;border-radius:22px;padding:10px;box-shadow:0 8px 24px #00000080;transition:all .4s cubic-bezier(.175,.885,.32,1.275);border:1px solid rgba(255,255,255,.05);transform-style:preserve-3d}.wall-item:nth-child(3n){transform:translateY(15px) translateZ(5px)}.wall-item:nth-child(4n){transform:translateY(-10px) translateZ(-5px)}.wall-item:nth-child(5n){transform:translate(10px) translateY(5px)}.wall-item:nth-child(2n){margin-top:5px}.wall-item:hover{transform:translateZ(60px) scale(1.15) rotateY(10deg)!important;border-color:var(--accent-color);box-shadow:0 20px 60px #000c;background:var(--bg-secondary);z-index:20}.wall-item img{width:100%;height:100%;object-fit:contain;border-radius:12px}.wall-overlay{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,var(--bg-color) 0%,transparent 40%,transparent 60%,var(--bg-color) 100%),linear-gradient(0deg,var(--bg-color) 0%,transparent 20%,transparent 80%,var(--bg-color) 100%);z-index:5}@keyframes wallDrift{0%{transform:rotateX(10deg) rotateY(-35deg) rotate(2deg)}to{transform:rotateX(20deg) rotateY(-45deg) rotate(8deg)}}@media (max-width: 1200px){.perspective-container{width:600px;right:-150px}.icon-wall{grid-template-columns:repeat(4,100px)}.wall-item{width:100px;height:100px}}@media (max-width: 968px){.container.home-container{padding:0 20px}.hero-section.billboard{min-height:auto;padding:40px 0 20px;text-align:center;flex-direction:column}.hero-billboard-content{flex-direction:column-reverse;gap:0}.hero-text{width:100%;display:flex;flex-direction:column;align-items:center;padding-top:10px;z-index:10;position:relative}.hero-visual{height:240px;width:100%;margin-top:0;margin-bottom:-40px;display:flex;justify-content:center;align-items:center}.perspective-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;perspective:800px}.icon-wall{grid-template-columns:repeat(6,45px);gap:8px;transform:rotateX(15deg) rotateY(-30deg) rotate(2deg) scale(.8)}.wall-item{width:45px;height:45px;padding:4px;border-radius:10px}.wall-overlay{background:linear-gradient(0deg,var(--bg-color) 0%,transparent 50%,var(--bg-color) 100%),linear-gradient(90deg,var(--bg-color) 0%,transparent 30%,transparent 70%,var(--bg-color) 100%);z-index:5}.hero-text h1{font-size:2.2rem}.hero-subtitle{font-size:1.05rem;margin-bottom:24px;max-width:100%;line-height:1.4}.hero-actions{justify-content:center;width:100%}}.projects{padding:0 0 60px}.section-header{text-align:center;margin-bottom:40px}.section-header h2{font-size:2rem;margin-top:16px}.filter-container{display:flex;justify-content:center;gap:12px;margin-bottom:40px;flex-wrap:wrap}.filter-btn{padding:8px 16px;background-color:var(--bg-secondary);color:var(--text-color);border:1px solid var(--border-color);border-radius:6px;font-weight:600;font-size:.9em;cursor:pointer;transition:all .2s ease}.filter-btn:hover,.filter-btn.active{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color);transform:translateY(-2px)}.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;border:none;overflow:visible}.project-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:24px;display:flex;flex-direction:column;align-items:flex-start;gap:20px;transition:all .3s ease;height:100%}.project-card:hover{transform:translateY(-5px);border-color:var(--accent-color);box-shadow:0 10px 30px -10px #0000004d}.project-card.featured-first,.project-card.featured-badge{position:relative;background:linear-gradient(145deg,var(--bg-secondary),rgba(66,153,225,.05));border:1px solid var(--accent-color)}.project-card.featured-badge:after{content:"FEATURED";position:absolute;top:12px;right:12px;background:var(--accent-color);color:#fff;padding:4px 10px;font-size:.7em;font-weight:700;border-radius:12px;letter-spacing:.5px}.project-card-header{width:100%;margin-bottom:0}.project-card-image-container{width:64px;height:64px;border-radius:12px;margin-bottom:16px;background-color:var(--bg-color);padding:4px}.project-card-image{width:100%;height:100%;object-fit:cover;border-radius:8px}.project-card-content{flex-grow:1;width:100%}.project-title{font-size:1.25rem;font-weight:700;margin:0 0 8px;color:var(--text-color)}.project-description{font-size:.95rem;color:var(--text-light);line-height:1.6;margin-bottom:16px}.project-card-footer{width:100%;padding:0;margin:0;background:transparent;border:none;display:flex;flex-direction:column;align-items:flex-start;gap:16px}.project-tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-start;list-style:none;padding:0;margin:0}.project-tags li{background-color:var(--bg-color);color:var(--text-light);font-size:.75em;font-weight:600;padding:4px 10px;border-radius:12px;border:1px solid var(--border-color)}.project-links{width:100%;display:flex;justify-content:flex-start;flex-wrap:wrap;align-items:stretch;gap:8px;margin-top:auto}.project-links a{display:inline-flex;align-items:center;justify-content:center;padding:8px 14px;border-radius:8px;text-decoration:none;transition:all .2s ease;font-weight:600;font-size:.85em;background-color:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color)}.btn-primary,.btn-secondary{display:inline-flex;align-items:center;gap:10px;padding:12px 28px;border-radius:10px;font-weight:600;text-decoration:none;transition:all .3s ease;font-size:1rem}.btn-primary{background:var(--accent-color);color:#fff;box-shadow:0 8px 20px #4299e14d;border:none}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px #4299e166}.btn-secondary{background:var(--bg-color);color:var(--text-color);border:2px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent-color);transform:translateY(-2px)}.learn-more-link{flex-grow:2;background-color:var(--bg-color)}.github-link,.playstore-link,.privacy-link{flex-grow:1;color:var(--text-light)!important}.project-links a:hover{border-color:var(--accent-color);color:var(--accent-color)!important;background-color:#63b3ed1a}.project-links a:hover{transform:translateY(-2px)}.btn-text{max-width:none;margin-left:8px}@media (max-width: 768px){.project-card{flex-direction:column;align-items:flex-start;gap:16px}.project-card.featured-badge:after{content:"★";top:0;right:0;padding:6px 8px;font-size:.8em;width:auto;border-radius:0 0 0 8px}.project-card-footer{width:100%;align-items:flex-start;margin-left:0}.project-card-footer .project-tags,.project-card-footer .project-links{justify-content:flex-start}}@media (max-width: 600px){.project-card.featured-badge:after{content:"★";top:0;right:0;padding:4px 6px;font-size:.75em;width:auto;border-radius:0 0 0 6px}}