:root {
            --brand: #4F46E5;
            --brand-light: #818CF8;
            --brand-dark: #3730A3;
            --accent: #06D6A0;
            --accent-dark: #05B384;
            --dark: #0F0E17;
            --dark-soft: #1A1932;
            --light: #FFFFFE;
            --gray-100: #F7F7FB;
            --gray-200: #E8E8EE;
            --gray-400: #94A3B8;
            --gray-600: #64748B;
            --gray-800: #2D2B42;
            --radius: 16px;
            --radius-sm: 10px;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Manrope', sans-serif;
            color: var(--dark);
            background: var(--light);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* ===== NAVIGATION ===== */
        .nav-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 1rem 0;
            transition: all 0.3s;
            background: transparent;
        }

        .nav-bar.scrolled {
            background: rgba(15, 14, 23, 0.92);
            backdrop-filter: blur(20px);
            padding: 0.625rem 0;
            box-shadow: 0 4px 30px rgba(0,0,0,0.2);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-logo {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--light);
            text-decoration: none;
            letter-spacing: -0.03em;
        }

        .nav-logo span { color: var(--accent); }

        .nav-links { display: flex; gap: 2rem; align-items: center; }

        .nav-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 500;
            transition: color 0.2s;
        }

        .nav-links a:hover { color: var(--light); }

        .nav-cta {
            padding: 0.5rem 1.25rem !important;
            background: var(--accent) !important;
            color: var(--dark) !important;
            border-radius: 50px !important;
            font-weight: 700 !important;
            font-size: 0.8125rem !important;
            transition: transform 0.2s, box-shadow 0.2s !important;
        }

        .nav-cta:hover {
            transform: translateY(-1px) !important;
            box-shadow: 0 4px 20px rgba(6, 214, 160, 0.4) !important;
        }

        /* ===== HERO ===== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: var(--dark);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 80%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(79, 70, 229, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 60%;
            height: 80%;
            background: radial-gradient(ellipse at center, rgba(6, 214, 160, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
            mask-image: radial-gradient(ellipse at 50% 50%, black 20%, transparent 70%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.375rem 1rem;
            background: rgba(79, 70, 229, 0.15);
            border: 1px solid rgba(79, 70, 229, 0.3);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-light);
            margin-bottom: 1.5rem;
            animation: fadeInDown 0.8s ease;
        }

        .hero-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            color: var(--light);
            line-height: 1.1;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.8s ease 0.1s both;
        }

        .hero h1 em {
            font-style: normal;
            background: linear-gradient(135deg, var(--accent) 0%, var(--brand-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.125rem;
            color: var(--gray-400);
            line-height: 1.7;
            margin-bottom: 2.5rem;
            max-width: 540px;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            animation: fadeInUp 0.8s ease 0.3s both;
        }

        .btn-hero {
            padding: 0.875rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9375rem;
            text-decoration: none;
            transition: all 0.25s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
        }

        .btn-hero-primary {
            background: var(--accent);
            color: var(--dark);
        }

        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(6, 214, 160, 0.35);
            color: var(--dark);
        }

        .btn-hero-outline {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.2);
            color: var(--light);
        }

        .btn-hero-outline:hover {
            border-color: rgba(255,255,255,0.5);
            color: var(--light);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            animation: fadeInRight 1s ease 0.4s both;
        }

        .hero-mockup {
            width: 100%;
            max-width: 560px;
            border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.08);
            box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.05);
            overflow: hidden;
            background: var(--dark-soft);
            aspect-ratio: 16/10;
            display: flex;
            flex-direction: column;
        }

        .mockup-bar {
            display: flex;
            gap: 6px;
            padding: 12px 16px;
            background: rgba(255,255,255,0.04);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .mockup-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .mockup-body {
            flex: 1;
            padding: 1.25rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.875rem;
        }

        .mock-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 10px;
            padding: 1rem;
            animation: mockPulse 3s ease infinite;
        }

        .mock-card:nth-child(2) { animation-delay: 0.5s; }
        .mock-card:nth-child(3) { animation-delay: 1s; }
        .mock-card:nth-child(4) { animation-delay: 1.5s; }

        .mock-card-line {
            height: 8px;
            border-radius: 4px;
            margin-bottom: 0.5rem;
        }

        .mock-card-line:last-child { margin-bottom: 0; width: 60%; }

        /* ===== SECTIONS COMMON ===== */
        .section { padding: 6rem 0; }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--brand);
            margin-bottom: 0.75rem;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--brand);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(2rem, 3.5vw, 2.75rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 1rem;
        }

        .section-subtitle {
            font-size: 1.0625rem;
            color: var(--gray-600);
            line-height: 1.7;
            max-width: 560px;
        }

        /* ===== FEATURES ===== */
        .features-section {
            background: var(--gray-100);
            position: relative;
        }

        .features-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: white;
            border: 1px solid var(--gray-200);
            border-radius: var(--radius);
            padding: 1.75rem;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand), var(--accent));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
            border-color: transparent;
        }

        .feature-card:hover::before { opacity: 1; }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
            font-size: 1.375rem;
        }

        .feature-card h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .feature-card p {
            font-size: 0.875rem;
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Feature icon colors */
        .fi-blue { background: #DBEAFE; color: #2563EB; }
        .fi-green { background: #D1FAE5; color: #059669; }
        .fi-purple { background: #EDE9FE; color: #7C3AED; }
        .fi-amber { background: #FEF3C7; color: #D97706; }
        .fi-rose { background: #FFE4E6; color: #E11D48; }
        .fi-cyan { background: #CFFAFE; color: #0891B2; }
        .fi-indigo { background: #E0E7FF; color: #4F46E5; }
        .fi-emerald { background: #D1FAE5; color: #047857; }
        .fi-orange { background: #FFEDD5; color: #EA580C; }
        .fi-teal { background: #CCFBF1; color: #0D9488; }

        /* ===== STATS ===== */
        .stats-section { background: var(--dark); color: var(--light); }

        /* ===== ABOUT ===== */
        .about-section {
            background: var(--light);
            position: relative;
        }

        .about-text p {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--gray-600);
            margin-bottom: 1.25rem;
        }

        .about-text p:first-child {
            font-size: 1.125rem;
            color: var(--dark);
            font-weight: 500;
        }

        .about-text p:last-child {
            margin-bottom: 0;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, var(--accent), var(--brand-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-text {
            font-size: 0.875rem;
            color: var(--gray-400);
            font-weight: 500;
        }

        /* ===== REGISTRATION ===== */
        .register-section {
            position: relative;
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
            color: var(--light);
            overflow: hidden;
        }

        .register-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: radial-gradient(ellipse at 80% 50%, rgba(79, 70, 229, 0.12), transparent 60%);
        }

        .register-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 20px;
            padding: 2.5rem;
            backdrop-filter: blur(10px);
            position: relative;
            z-index: 2;
        }

        .register-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .register-card .subtitle {
            color: var(--gray-400);
            font-size: 0.9375rem;
            margin-bottom: 2rem;
        }

        .form-floating-custom {
            position: relative;
            margin-bottom: 1rem;
        }

        .form-floating-custom input,
        .form-floating-custom select {
            width: 100%;
            padding: 0.875rem 1rem;
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-sm);
            color: var(--light);
            font-family: 'Manrope', sans-serif;
            font-size: 0.9375rem;
            transition: all 0.2s;
            outline: none;
        }

        .form-floating-custom input::placeholder {
            color: var(--gray-600);
        }

        .form-floating-custom input:focus,
        .form-floating-custom select:focus {
            border-color: var(--brand-light);
            background: rgba(79, 70, 229, 0.06);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }

        .form-floating-custom select option {
            background: var(--dark);
            color: var(--light);
        }

        .form-row-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .btn-register {
            width: 100%;
            padding: 0.875rem;
            background: var(--accent);
            color: var(--dark);
            border: none;
            border-radius: var(--radius-sm);
            font-family: 'Manrope', sans-serif;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.25s;
            margin-top: 0.5rem;
        }

        .btn-register:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 25px rgba(6, 214, 160, 0.3);
        }

        .form-note {
            text-align: center;
            margin-top: 1rem;
            font-size: 0.8125rem;
            color: var(--gray-600);
        }

        .register-benefits {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 1.5rem;
            padding-left: 2rem;
        }

        .benefit-item {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }

        .benefit-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(6, 214, 160, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            flex-shrink: 0;
        }

        .benefit-item h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

        .benefit-item p {
            font-size: 0.8125rem;
            color: var(--gray-400);
            line-height: 1.5;
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--dark);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 2rem 0;
            text-align: center;
            font-size: 0.8125rem;
            color: var(--gray-600);
        }

        .footer a { color: var(--accent); text-decoration: none; }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes fadeInRight {
            from { opacity: 0; transform: translateX(40px); }
            to { opacity: 1; transform: translateX(0); }
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        @keyframes mockPulse {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 992px) {
            .feature-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-row { grid-template-columns: repeat(2, 1fr); gap: 2rem 1rem; }
            .hero-visual { display: none; }
            .register-benefits { display: none; }
            .nav-links { display: none; }
        }

        @media (max-width: 576px) {
            .feature-grid { grid-template-columns: 1fr; }
            .form-row-2 { grid-template-columns: 1fr; }
            .hero-buttons { flex-direction: column; }
            .section { padding: 4rem 0; }
        }