:root {
            /* Paleta de cores refinada */
            --bg-dark: #0a0a10;
            --bg-card: #12121a;
            --bg-card-hover: #171724;
            --text: #f0f0f5;
            --muted: #9e9eb5;
            --brand-1: #0052cc;
            --brand-2: #0cb0f0;
            --brand-3: #ff9500;
            --text-dark: #1f2937;
            --text-light: #f9fafb;
            --bg-light: #f3f4f6;
            --success: #39E000;
            --danger: #ff4d4f;
            --shadow: 0 10px 30px rgba(0, 0, 0, .5);
            --shadow-light: 0 5px 15px rgba(0, 0, 0, .3);
            --radius: 12px;
            --radius-lg: 20px;
            --transition: all 0.3s ease;
        }

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

        html,
        body {
            height: 100%;
            font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
            color: var(--text);
            background: var(--bg-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Efeito de gradiente refinado */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(800px 400px at 85% -5%, rgba(0, 153, 255, 0.25), transparent 60%),
                radial-gradient(700px 350px at 5% 15%, rgba(0, 162, 255, 0.15), transparent 50%);
            pointer-events: none;
            z-index: -1;
        }

        .container {
            width: min(1200px, 92%);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* HEADER ESTILIZADO */
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: saturate(180%) blur(12px);
            background: rgba(11, 11, 18, .8);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            padding: 15px 0;
        }

        .header__content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .header__img {
            width: 160px;
            height: auto;
            transition: var(--transition);
        }

        .header__img:hover {
            opacity: 0.9;
        }

        .header__nav {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .header__ul {
            display: flex;
            gap: 32px;
            list-style: none;
            align-items: center;
        }

        .header__li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .header__li a {
            color: var(--muted);
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            position: relative;
            transition: var(--transition);
        }

        .header__li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(to right, var(--brand-1), var(--brand-2));
            transition: var(--transition);
        }

        .header__li a:hover {
            color: #fff;
        }

        .header__li a:hover::after {
            width: 100%;
        }

        .header__hamburger {
            display: none;
            background: none;
            color: #fff;
            border: 0;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
        }

        .header__hamburger:hover {
            background: rgba(255, 255, 255, .1);
        }

        .header__cta {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .btn {
            appearance: none;
            border: 0;
            cursor: pointer;
            font-weight: 600;
            border-radius: 999px;
            padding: 12px 24px;
            font-size: 15px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn.primary {
            background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
            color: #fff;
            box-shadow: var(--shadow-light);
        }

        .btn.primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(12, 176, 240, 0.3);
        }

        .btn.ghost {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .2);
        }

        .btn.ghost:hover {
            background: rgba(255, 255, 255, .08);
        }

        /* Offcanvas melhorado */
        .offcanvas {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .7);
            display: none;
            z-index: 1000;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .offcanvas.active {
            display: block;
            opacity: 1;
        }

        .off-body {
            position: absolute;
            right: 0;
            top: 0;
            height: 100%;
            width: min(340px, 86%);
            background: #0f0f18;
            padding: 30px;
            border-left: 1px solid rgba(255, 255, 255, .1);
            transform: translateX(100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .offcanvas.active .off-body {
            transform: translateY(0);
        }

        .off-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
        }

        .off-links {
            display: grid;
            gap: 16px;
        }

        .off-links a {
            color: #ddd;
            text-decoration: none;
            font-weight: 600;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .off-links a:hover {
            color: #fff;
            padding-left: 8px;
        }

        /* Seção de Login */
        .login-section {
            padding: 90px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: calc(100vh - 80px);
        }

        .login-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 60px;
            align-items: center;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        @media (min-width: 992px) {
            .login-container {
                grid-template-columns: 1fr 1fr;
            }
        }

        .login-promo {
            text-align: center;
        }

        @media (min-width: 992px) {
            .login-promo {
                text-align: left;
                padding-right: 40px;
            }
        }

        .login-promo h2 {
            font-size: clamp(32px, 4.5vw, 44px);
            margin-bottom: 20px;
            background: linear-gradient(to right, #fff, var(--brand-2));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .login-promo p {
            color: var(--muted);
            font-size: 18px;
            margin-bottom: 30px;
            max-width: 40ch;
        }

        .feature-list {
            display: grid;
            gap: 16px;
            margin-top: 30px;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--muted);
        }

        .feature-item i {
            color: var(--success);
            font-size: 18px;
        }

        .login-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow);
            max-width: 450px;
            width: 100%;
            margin: 0 auto;
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-header h2 {
            font-size: 28px;
            margin-bottom: 10px;
            color: #fff;
        }

        .login-header p {
            color: var(--muted);
            font-size: 16px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--text);
        }

        .form-control {
            width: 100%;
            padding: 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            color: var(--text);
            font-family: 'Poppins', sans-serif;
            font-size: 16px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--brand-2);
            box-shadow: 0 0 0 3px rgba(12, 176, 240, 0.2);
        }

        .form-control::placeholder {
            color: var(--muted);
        }

        .form-options {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }

        .form-check {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .form-check input {
            width: 16px;
            height: 16px;
        }

        .form-check label {
            font-size: 14px;
            color: var(--muted);
            cursor: pointer;
        }

        .forgot-link {
            color: var(--brand-2);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .forgot-link:hover {
            color: #fff;
        }

        .login-btn {
            width: 100%;
            padding: 16px;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .divider {
            display: flex;
            align-items: center;
            margin: 25px 0;
            color: var(--muted);
        }

        .divider::before,
        .divider::after {
            content: "";
            flex: 1;
            height: 1px;
            background: rgba(255, 255, 255, 0.1);
        }

        .divider span {
            padding: 0 15px;
            font-size: 14px;
        }

        .social-login {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 25px;
        }

        .social-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            color: var(--text);
            font-family: 'Poppins', sans-serif;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }
        .social-login a{
            text-decoration: none;
        }
        .social-btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .login-footer {
            text-align: center;
            margin-top: 20px;
            font-size: 15px;
            color: var(--muted);
        }

        .login-footer a {
            color: var(--brand-2);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

        .login-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }

        /* Footer */
        .footer {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 60px 0 40px;
            color: var(--muted);
            background: var(--bg-card);
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-logo {
            max-width: 160px;
            margin-bottom: 20px;
        }

        .footer-links h4, .footer-contact h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 18px;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-bottom {
            text-align: center;
            margin-top: 50px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* Media Queries */
        @media (max-width: 991px) {
            .header__nav {
                display: none;
            }

            .header__hamburger {
                display: block;
            }

            .header__cta .btn:not(.primary) {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .header__cta .btn.primary {
                display: none;
            }
            
            .header__content {
                padding: 0 15px;
            }
            
            .login-section {
                padding: 60px 0;
            }
            
            .login-card {
                padding: 30px 20px;
            }
            
            .social-login {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 575px) {
            .header__img {
                width: 130px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .form-options {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }