: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;
}

/* --- MELHORIA: ESTILIZAÇÃO DO SCROLL --- */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #2a2a3a;
    border-radius: 10px;
    border: 2px solid var(--bg-dark);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--brand-1);
}

html {
    scroll-behavior: smooth;
}

/* Estilos específicos para o menu de login */
.login-container {
    position: relative;
    display: inline-block;
}

/* --- MELHORIA: AJUSTE DO MENU (ALINHAMENTO E CORES) --- */
.login-select {
    position: absolute;
    top: calc(100% + 10px);
    right: 0; /* Alterado de left:0 para right:0 para alinhar com o botão */
    background: var(--bg-card); /* Usando a variável de cor do tema */
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 10px;
    min-width: 180px;
    box-shadow: var(--shadow);
    display: none;
    z-index: 1000;
}

.login-select.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.login-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text);
}

.login-option:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--brand-2);
}

.login-option i {
    width: 16px;
    text-align: center;
    color: var(--brand-2);
}

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: fixed;
    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;
    position: fixed;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    left: 0;       
    width: 100%;   
}*/

.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;
    position: relative;
}

.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);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}



.offcanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 16, 0.95);
    backdrop-filter: blur(10px);
    z-index: 9999;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
}

.offcanvas.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.off-body {
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: linear-gradient(135deg, #12121a, #0a0a10);
    padding: 25px 20px;
    border-right: 1px solid rgba(12, 176, 240, 0.1);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.offcanvas-header {
    display: flex;
    position: sticky;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: contain;
}

#closeOff {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f0f0f5;
    cursor: pointer;
    transition: all 0.3s ease;
}

#closeOff:hover {
    background: rgba(12, 176, 240, 0.2);
    border-color: #0cb0f0;
    color: #0cb0f0;
    transform: rotate(90deg);
}

#closeOff i {
    font-size: 20px;
}

.off-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}



.off-links a {
    color: #f0f0f5;
    text-decoration: none;
    padding: 16px 20px;
    border-radius: 10px;
    font-weight: 500;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid transparent;
}

.off-links a i {
    width: 20px;
    height: 20px;
    color: #0cb0f0;
}

.off-links a:hover {
    background: rgba(12, 176, 240, 0.1);
    border-color: rgba(12, 176, 240, 0.2);
    transform: translateX(10px);
    color: #0cb0f0;
}

.off-links a.active {
    background: linear-gradient(90deg, rgba(12, 176, 240, 0.2), transparent);
    border-left: 3px solid #0cb0f0;
    color: #0cb0f0;
}


.hamburger-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 100;
    position: relative;
}

.hamburger-btn i {
    width: 28px;
    height: 28px;
    color: #f0f0f5;
    transition: color 0.3s ease;
}

.hamburger-btn:hover i {
    color: #0cb0f0;
}


@media (max-width: 768px) {
    .hamburger-btn {
        display: block;
    }
    
    .off-body {
        width: 85%;
    }
}

.Ahero {
    height: 40rem;
    padding-left: 40rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

  * { box-sizing: border-box; margin: 0; padding: 0; }
 
        body {
            font-family: 'Segoe UI', sans-serif;
            background-color: #0b0f1a;
            color: #e8eaf0;
        }
 
    
        .header__content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 2.5rem;
            background: rgba(11, 15, 26, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }
 
        .header__img { height: 40px; }
 
        .header__nav .header__ul {
            display: flex;
            gap: 0.5rem;
            list-style: none;
        }
 
        .header__li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
 
        .header__li a {
            color: #c8ccd8;
            text-decoration: none;
            font-size: 14px;
            padding: 6px 12px;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
        }
 
        .header__li a:hover {
            background: rgba(255,255,255,0.08);
            color: #fff;
        }
 
        .header__li svg { color: #8891aa; }
 
        .btn.ghost {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: #e8eaf0;
            padding: 7px 16px;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            transition: background 0.2s, border-color 0.2s;
        }
 
        .btn.ghost:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.35);
        }
 
        .login-container { position: relative; }
 
        .login-select {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            background: #1a1f2e;
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 10px;
            overflow: hidden;
            min-width: 160px;
            z-index: 200;
        }
 
        .login-select.open { display: block; }
 
        .login-option {
            padding: 10px 16px;
            cursor: pointer;
            font-size: 14px;
            color: #c8ccd8;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: background 0.15s;
        }
 
        .login-option:hover { background: rgba(255,255,255,0.07); }
 
        .header__hamburger {
            display: none;
            background: transparent;
            border: none;
            color: #e8eaf0;
            cursor: pointer;
        }
 
        
        .Ahero {
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4rem 2rem;
            background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(56, 100, 255, 0.12), transparent 70%);
            position: relative;
            overflow: hidden;
        }
 
        .Ahero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='30' cy='30' r='1' fill='rgba(255,255,255,0.04)'/%3E%3C/svg%3E") repeat;
        }
 
        .container { width: 100%; max-width: 900px; margin: 0 auto; }
 
        .Ahero__card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 20px;
            padding: 3rem 3.5rem;
            text-align: center;
            backdrop-filter: blur(6px);
            position: relative;
        }
 
        .Alogo__img { height: 64px; margin-bottom: 1.5rem; }
 
        .Alogo__title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
            letter-spacing: -0.5px;
        }
 
        .Alogo__subTitle {
            font-size: 1rem;
            color: #8891aa;
            margin-bottom: 2rem;
        }
 
        .download-buttons {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
 
        .Alogo__button {
            display: flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #3864ff, #2451d6);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.15s, box-shadow 0.15s;
            box-shadow: 0 4px 16px rgba(56, 100, 255, 0.3);
        }
 
        .Alogo__button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(56, 100, 255, 0.45);
        }
 
        .Alogo__button:active { transform: scale(0.97); }
 
        /* ===== TUTORIAL SECTION ===== */
        .tutorial {
            padding: 5rem 2rem;
            background: #0d1120;
        }
 
        .tutorial__header {
            text-align: center;
            margin-bottom: 4rem;
        }
 
        .tutorial__tag {
            display: inline-block;
            background: rgba(56, 100, 255, 0.15);
            color: #7f9fff;
            border: 1px solid rgba(56, 100, 255, 0.3);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 1rem;
        }
 
        .tutorial__title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }
 
        .tutorial__subtitle {
            font-size: 1rem;
            color: #8891aa;
        }
 
        /* Steps grid */
        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            max-width: 1100px;
            margin: 0 auto 5rem;
        }
 
        .step-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.07);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.2s, transform 0.2s;
        }
 
        .step-card:hover {
            border-color: rgba(56, 100, 255, 0.4);
            transform: translateY(-3px);
        }
 
        /* Image placeholder area */
        .step-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: contain;
            display: block;
            background: #141826;
        }
 
        /* Placeholder shown when no real image */
        .step-img-placeholder {
            width: 100%;
            aspect-ratio: 16/9;
            background: linear-gradient(135deg, #141826 0%, #1a2035 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 8px;
            color: #3864ff;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
 
        .step-img-placeholder svg { opacity: 0.5; }
 
        .step-img-placeholder span {
            font-size: 11px;
            color: #8891aa;
            opacity: 0.7;
        }
 
        .step-body { padding: 1.25rem 1.5rem 1.5rem; }
 
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: rgba(56, 100, 255, 0.15);
            color: #7f9fff;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
 
        .step-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.4rem;
        }
 
        .step-desc {
            font-size: 13.5px;
            color: #8891aa;
            line-height: 1.6;
        }
 
        
        .os-section {
            max-width: 900px;
            margin: 0 auto 5rem;
        }
 
        .os-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding-bottom: 0;
        }
 
        .os-tab {
            padding: 8px 20px;
            border: none;
            background: transparent;
            color: #8891aa;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            border-bottom: 2px solid transparent;
            margin-bottom: -1px;
            border-radius: 6px 6px 0 0;
            transition: color 0.2s, border-color 0.2s;
            display: flex;
            align-items: center;
            gap: 7px;
        }
 
        .os-tab:hover { color: #c8ccd8; }
 
        .os-tab.active {
            color: #7f9fff;
            border-bottom-color: #3864ff;
        }
 
        .os-panel { display: none; }
        .os-panel.active { display: block; }
 
        .requirements {
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.07);
            border-radius: 12px;
            padding: 1.5rem 2rem;
        }
 
        .requirements h3 {
            font-size: 14px;
            font-weight: 600;
            color: #c8ccd8;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
 
        .req-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
 
        .req-list li {
            font-size: 14px;
            color: #8891aa;
            display: flex;
            align-items: center;
            gap: 8px;
        }
 
        .req-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #3864ff;
            flex-shrink: 0;
        }
 
      
        .footer {
            padding: 2rem;
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.06);
            color: #8891aa;
            font-size: 13px;
        }