* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            color: #1f2937;
            background: #ffffff;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* Header */
        .header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 100;
            background: rgba(255,255,255,0.95); backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.06);
            transition: box-shadow 0.3s;
        }
        .header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 72px;
        }
        .header-logo {
            display: flex; align-items: center; gap: 10px;
            font-weight: 800; font-size: 1.35rem;
            color: #1f2937;
        }
        .header-logo img { height: 36px; width: auto; }
        .header-logo span { background: linear-gradient(135deg, #4F46E5, #7C3AED); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .header-nav { display: flex; align-items: center; gap: 12px; }
        .btn-outline {
            padding: 10px 24px; border-radius: 12px; font-weight: 600; font-size: 0.9rem;
            border: 2px solid #4F46E5; color: #4F46E5;
            transition: all 0.3s; background: transparent;
        }
        .btn-outline:hover { background: #4F46E5; color: #fff; transform: scale(1.03); }
        .btn-primary {
            padding: 12px 32px; border-radius: 12px; font-weight: 700; font-size: 0.95rem;
            background: #4F46E5; color: #fff; border: none;
            transition: all 0.3s; cursor: pointer; display: inline-block;
        }
        .btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(79,70,229,0.35); }

        /* Hero */
        .hero {
            padding: 140px 0 80px; min-height: 100vh;
            display: flex; align-items: center;
        }
        .hero .container { display: flex; align-items: center; gap: 60px; }
        .hero-left { flex: 1; display: flex; justify-content: center; }
        .hero-left img { max-width: 100%; height: auto; max-height: 480px; object-fit: contain; }
        .hero-right { flex: 1; }
        .hero-right h1 {
            font-size: 2.4rem; font-weight: 800; line-height: 1.25;
            color: #111827; margin-bottom: 32px;
        }
        .hero-right h1 span { color: #4F46E5; }
        .hero-actions { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
        .hero-actions .btn-primary { font-size: 1.1rem; padding: 16px 40px; }
        .hero-link { color: #6b7280; font-weight: 500; font-size: 0.95rem; transition: color 0.2s; }
        .hero-link:hover { color: #4F46E5; }

        /* Sections common */
        .section { padding: 100px 0; }
        .section-title {
            text-align: center; font-size: 2rem; font-weight: 800;
            color: #111827; margin-bottom: 60px;
        }

        /* Why Cards */
        .cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
        .card {
            background: #ffffff; border-radius: 20px; padding: 40px 32px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.04);
            transition: all 0.4s; text-align: center;
        }
        .card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(79,70,229,0.12); }
        .card-icon { width: 80px; height: 80px; margin: 0 auto 24px; border-radius: 16px; display: flex; align-items: center; justify-content: center; }
        .card-icon.code { background: #EEF2FF; }
        .card-icon.trail { background: #F0FDF4; }
        .card-icon.hack { background: #FFF7ED; }
        .card-icon svg { width: 40px; height: 40px; }
        .card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 12px; color: #111827; }
        .card p { color: #6b7280; line-height: 1.7; font-size: 0.95rem; }

        /* Social Proof */
        .bg-gray { background: #F9FAFB; }
        .proof-title { text-align: center; font-size: 2.2rem; font-weight: 800; color: #111827; max-width: 700px; margin: 0 auto 60px; }
        .project-card {
            background: #fff; border-radius: 24px; overflow: hidden;
            box-shadow: 0 4px 24px rgba(0,0,0,0.06); max-width: 720px; margin: 0 auto 40px;
            transition: all 0.4s;
        }
        .project-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(79,70,229,0.12); }
        .project-cover {
            height: 200px; background: linear-gradient(135deg, #4F46E5, #7C3AED);
            display: flex; align-items: center; justify-content: center;
            position: relative; overflow: hidden;
        }
        .project-cover svg { opacity: 0.15; position: absolute; }
        .project-cover .over-text { color: #fff; font-size: 2rem; font-weight: 800; z-index: 1; text-shadow: 0 2px 8px rgba(0,0,0,0.2); }
        .project-body { padding: 32px; }
        .project-body h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; color: #111827; }
        .project-body p { color: #6b7280; line-height: 1.7; margin-bottom: 20px; }
        .badges { display: flex; flex-wrap: wrap; gap: 8px; }
        .badge {
            padding: 6px 16px; border-radius: 100px; font-size: 0.8rem; font-weight: 600;
            background: #EEF2FF; color: #4F46E5;
        }
        .badge.html { background: #FFF7ED; color: #EA580C; }
        .badge.css { background: #EFF6FF; color: #2563EB; }
        .badge.php { background: #F0FDF4; color: #16A34A; }
        .badge.mysql { background: #FEF2F2; color: #DC2626; }
        .badge.js { background: #FEFCE8; color: #CA8A04; }
        .proof-footer { text-align: center; margin-top: 32px; }
        .proof-footer p { color: #6b7280; margin-bottom: 24px; font-size: 1.05rem; max-width: 600px; margin-left: auto; margin-right: auto; }
        .proof-footer .btn-primary { font-size: 1.05rem; padding: 16px 40px; }

        /* Footer */
        .footer {
            background: #111827; color: #fff; padding: 48px 0 32px;
        }
        .footer-inner { display: flex; flex-direction: column; align-items: center; gap: 24px; }
        .footer-links { display: flex; gap: 32px; flex-wrap: wrap; justify-content: center; }
        .footer-links a { color: #9CA3AF; font-size: 0.9rem; transition: color 0.2s; }
        .footer-links a:hover { color: #fff; }
        .footer-social { display: flex; gap: 16px; }
        .footer-social a {
            width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08);
            display: flex; align-items: center; justify-content: center; transition: all 0.3s;
        }
        .footer-social a:hover { background: #4F46E5; transform: translateY(-2px); }
        .footer-copy { color: #6b7280; font-size: 0.85rem; text-align: center; }

        /* Animations */
        .fade-in { opacity: 0; transform: translateY(30px); transition: all 0.7s ease; }
        .fade-in.visible { opacity: 1; transform: translateY(0); }
        .fade-in-left { opacity: 0; transform: translateX(-40px); transition: all 0.7s ease; }
        .fade-in-left.visible { opacity: 1; transform: translateX(0); }
        .fade-in-right { opacity: 0; transform: translateX(40px); transition: all 0.7s ease; }
        .fade-in-right.visible { opacity: 1; transform: translateX(0); }
        .fade-in-up { opacity: 0; transform: translateY(40px); transition: all 0.7s ease; }
        .fade-in-up.visible { opacity: 1; transform: translateY(0); }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container { flex-direction: column; text-align: center; }
            .hero-right h1 { font-size: 2rem; }
            .hero-actions { align-items: center; }
            .hero-left img { max-height: 360px; }
            .cards-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .hero { padding: 120px 0 60px; }
            .hero-right h1 { font-size: 1.6rem; }
            .hero-left img { max-height: 280px; }
            .cards-grid { grid-template-columns: 1fr; }
            .section-title { font-size: 1.5rem; }
            .proof-title { font-size: 1.5rem; }
            .header-inner { height: 64px; }
            .btn-outline { padding: 8px 18px; font-size: 0.85rem; }
            .btn-primary { padding: 10px 24px; font-size: 0.85rem; }
            .hero-actions .btn-primary { padding: 14px 28px; font-size: 1rem; }
        }