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

/* ========== VARIÁVEIS DO SISTEMA DE DESIGN (AESTHETIC) ========== */
:root {
    --primary: #ff3b5c;
    --primary-hover: #ff1f45;
    --primary-glow: rgba(255, 59, 92, 0.35);
    
    /* Dark Theme (Default) */
    --bg-gradient-start: #0a0a0c;
    --bg-gradient-end: #020205;
    --surface: rgba(18, 18, 26, 0.7);
    --surface-hover: rgba(26, 26, 38, 0.85);
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 59, 92, 0.3);
    
    --text-primary: #f8f9fa;
    --text-secondary: #c5c5d2;
    --text-muted: #747485;
    --card-glow: rgba(0, 0, 0, 0.5);
    
    --card-gratis: rgba(255, 255, 255, 0.03);
    --card-mensal: rgba(255, 59, 92, 0.03);
    --card-anual: rgba(255, 215, 0, 0.03);
    --badge-popular-bg: #ff3b5c;
}

[data-theme="light"] {
    /* Light Theme */
    --bg-gradient-start: #f6f7fa;
    --bg-gradient-end: #e9ecf3;
    --surface: rgba(255, 255, 255, 0.75);
    --surface-hover: rgba(255, 255, 255, 0.95);
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(255, 59, 92, 0.3);
    
    --text-primary: #121220;
    --text-secondary: #4e4e62;
    --text-muted: #8b8b9d;
    --card-glow: rgba(0, 0, 0, 0.05);
    
    --card-gratis: rgba(0, 0, 0, 0.02);
    --card-mensal: rgba(255, 59, 92, 0.02);
    --card-anual: rgba(255, 215, 0, 0.02);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: linear-gradient(145deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

/* ========== HEADER ========== */
header {
    background: rgba(10, 10, 15, 0.75);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 4rem;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: background 0.3s ease;
}

[data-theme="light"] header {
    background: rgba(255, 255, 255, 0.75);
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 4px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.logo:hover {
    transform: scale(1.03);
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #ffffff, var(--primary));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

[data-theme="light"] .logo h2 {
    background: linear-gradient(135deg, #ff3b5c, #e02e4e);
    background-clip: text;
    -webkit-background-clip: text;
}

.logo span {
    font-size: 0.65rem;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.theme-toggle {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
    transform: rotate(15deg);
}

.btn-login-header {
    background: transparent;
    border: 1px solid var(--border);
    padding: 0.55rem 1.4rem;
    border-radius: 2rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.25s ease;
}

.btn-login-header:hover {
    background: var(--surface);
    border-color: var(--text-secondary);
}

.btn-register-header {
    background: var(--primary);
    border: 1px solid var(--primary);
    padding: 0.55rem 1.4rem;
    border-radius: 2rem;
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.25s ease;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-register-header:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 59, 92, 0.5);
}

/* ========== HERO SECTION ========== */
.hero-section {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem 4rem 5rem 4rem;
    max-width: 1300px;
    margin: 0 auto;
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.badge-new {
    background: var(--primary-glow);
    color: var(--primary);
    border: 1px solid rgba(255, 59, 92, 0.25);
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    width: fit-content;
    display: flex;
    align-items: center;
    gap: 6px;
    animation: bounceSlow 3s infinite;
}

@keyframes bounceSlow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    font-weight: 800;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #ffffff 40%, var(--primary));
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
}

[data-theme="light"] .hero-text h1 {
    background: linear-gradient(135deg, #121220 40%, #ff3b5c);
    background-clip: text;
    -webkit-background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.hero-badge-item {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.6rem 1.2rem;
    border-radius: 3rem;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.hero-badge-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ========== LOGIN/STATUS CARD (GLASSMORPHISM) ========== */
.glass-card {
    background: var(--surface);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 2.5rem;
    box-shadow: 0 20px 50px var(--card-glow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), border 0.3s;
}

.glass-card:hover {
    border-color: var(--border-hover);
}

.glass-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.glass-card .subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: -0.8rem;
    line-height: 1.4;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 0.9rem;
    padding: 0.85rem 1.2rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

[data-theme="light"] .form-group input {
    background: rgba(0, 0, 0, 0.03);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.btn-submit {
    background: var(--primary);
    border: none;
    border-radius: 2rem;
    padding: 0.9rem;
    color: white;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-submit:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 59, 92, 0.5);
}

.card-footer-link {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.card-footer-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.card-footer-link a:hover {
    text-decoration: underline;
}

/* Error alert in Card */
.alert-error {
    background: rgba(255, 59, 92, 0.12);
    border: 1px solid rgba(255, 59, 92, 0.25);
    color: #ff6b84;
    padding: 0.8rem 1rem;
    border-radius: 0.8rem;
    font-size: 0.8rem;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* User status card layout when logged in but inactive */
.user-status-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    text-align: center;
}

.user-status-avatar {
    width: 60px;
    height: 60px;
    background: var(--primary-glow);
    color: var(--primary);
    border-radius: 50%;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    border: 1px solid rgba(255, 59, 92, 0.3);
}

.status-badge {
    background: rgba(255, 179, 0, 0.15);
    border: 1px solid rgba(255, 179, 0, 0.3);
    color: #ffb300;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    width: fit-content;
    margin: 0.4rem auto;
}

.btn-renew-top {
    background: var(--primary);
    border: none;
    border-radius: 2rem;
    padding: 0.8rem 1.5rem;
    color: white;
    font-weight: bold;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-renew-top:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

/* ========== FEATURES SECTION ========== */
.section-wrapper {
    padding: 6rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.section-title h2 {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.section-title p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    padding: 2.2rem;
    text-align: left;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 30px var(--card-glow);
}

.feature-icon {
    font-size: 2rem;
    background: var(--primary-glow);
    width: 54px;
    height: 54px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 59, 92, 0.2);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ========== PLANS SECTION (THE CORE) ========== */
.plans-section {
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

[data-theme="light"] .plans-section {
    background: rgba(0, 0, 0, 0.01);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: stretch;
}

.plan-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2rem;
    padding: 3rem 2.2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--card-glow);
}

/* Specialize Plan Backgrounds */
.plan-card.gratis {
    background: linear-gradient(180deg, var(--card-gratis) 0%, var(--surface) 100%);
}

.plan-card.mensal {
    background: linear-gradient(180deg, var(--card-mensal) 0%, var(--surface) 100%);
    border-color: rgba(255, 59, 92, 0.2);
}

.plan-card.anual {
    background: linear-gradient(180deg, var(--card-anual) 0%, var(--surface) 100%);
    border-color: rgba(255, 215, 0, 0.15);
}

.plan-card.popular {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255, 59, 92, 0.15);
}

.badge-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--badge-popular-bg);
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 0.4rem 1.2rem;
    border-radius: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    box-shadow: 0 4px 10px rgba(255, 59, 92, 0.3);
}

.plan-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.plan-header .icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.plan-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.plan-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.plan-price-wrapper {
    margin: 1rem 0;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -1px;
}

.plan-price span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.plan-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    flex: 1; /* Pushes button to bottom */
}

.plan-feature-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.4;
}

.plan-feature-item .check {
    color: var(--primary);
    font-weight: bold;
}

.plan-card.anual .plan-feature-item .check {
    color: #ffd700;
}

.btn-plan {
    display: block;
    width: 100%;
    text-align: center;
    padding: 1rem;
    border-radius: 2rem;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95rem;
    transition: all 0.25s ease;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-primary);
}

.btn-plan:hover {
    background: var(--surface-hover);
    transform: translateY(-2px);
    border-color: var(--text-secondary);
}

.plan-card.popular .btn-plan {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.plan-card.popular .btn-plan:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 20px rgba(255, 59, 92, 0.4);
}

.plan-card.anual .btn-plan:hover {
    border-color: #ffd700;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.15);
}

/* ========== FAQ SECTION ========== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-question {
    padding: 1.5rem;
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.2s;
}

.faq-question:hover {
    background: rgba(255, 255, 255, 0.01);
}

.faq-question::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    border-top: 0 solid var(--border);
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem 1.5rem;
    max-height: 1000px;
    transition: max-height 0.5s ease-in, padding 0.3s ease;
    border-top: 1px solid var(--border);
}

/* ========== FOOTER ========== */
footer {
    background: rgba(8, 8, 12, 0.95);
    border-top: 1px solid var(--border);
    padding: 3rem 4rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: auto;
}

[data-theme="light"] footer {
    background: #eaeef5;
}

footer .footer-brand {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--text-primary);
}

footer .footer-brand span {
    color: var(--primary);
}

footer p {
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.4;
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 1024px) {
    .hero-section {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding: 3rem 2rem;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
    
    header {
        padding: 0 2rem;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        height: auto;
        padding: 1.2rem;
        gap: 1rem;
    }
    
    .hero-text h1 {
        font-size: 2.3rem;
        text-align: center;
    }
    
    .badge-new {
        margin: 0 auto;
    }
    
    .hero-text p {
        text-align: center;
        font-size: 1rem;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .glass-card {
        padding: 1.8rem;
    }
    
    .section-wrapper {
        padding: 4rem 1.5rem;
    }
    
    .section-title h2 {
        font-size: 1.9rem;
    }
    
    footer {
        padding: 2rem 1.5rem;
    }
}