/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4ade80;
    --success-color-dark: #22c55e;
    --warning-color: #fbbf24;
    --error-color: #f87171;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-accent: #f1f5f9;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    overflow-x: hidden;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 2rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Melhorar legibilidade de textos em fundos coloridos */
.section[style*="background: var(--gradient-primary)"] p,
.section[style*="background: var(--gradient-primary)"] h2,
.section[style*="background: var(--gradient-primary)"] h3 {
    color: white !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Melhorar legibilidade das frases específicas */
.hero-text-highlight {
    color: #000000 !important;
}

.cta-text-highlight {
    color: #000000 !important;
}

/* Melhorar legibilidade de textos em fundos escuros */
.section[style*="background: var(--gradient-primary)"] .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.section[style*="background: var(--gradient-primary)"] .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Header e Navegação */
.header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.8rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-brand i {
    font-size: 2rem;
    color: var(--primary-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--bg-accent);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
}

.back-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    padding: 6rem 0;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    margin-bottom: 1.5rem;
    font-weight: 800;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-lead {
    max-width: 760px !important;
    color: rgba(255, 255, 255, 0.95) !important;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.hero-proof {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: 1.25rem auto 2rem;
    max-width: 900px;
    position: relative;
    z-index: 2;
}

.hero-proof-item {
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: white;
    backdrop-filter: blur(10px);
    border-radius: 999px;
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.hero-proof-item i {
    color: #ffffff;
}

.hero-note {
    margin: 1.25rem auto 0;
    max-width: 760px;
    text-align: left;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 14px;
    padding: 0.9rem 1rem;
    color: white;
    font-size: 0.95rem;
    line-height: 1.45;
    backdrop-filter: blur(10px);
}

.hero-note strong {
    color: #fff;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

/* Grid e Layout */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Seções */
.section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Features */
.features {
    background: var(--bg-primary);
}

.feature-item {
    text-align: center;
    padding: 2rem;
}

.feature-item p {
    font-size: 1rem;
}

.feature-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: var(--shadow-lg);
}

/* Planos */
.plans {
    background: var(--bg-secondary);
}

.plan-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}

.plan-card:hover::before {
    transform: scaleX(1);
}

.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.plan-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.plan-card.featured::before {
    transform: scaleX(1);
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 1rem 0;
}

.plan-price small {
    font-size: 1rem;
    color: var(--text-light);
}

.plan-features {
    list-style: none;
    margin: 2rem 0;
}

.plan-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.plan-features li i {
    color: var(--success-color);
}

/* Footer */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
}

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

.footer-links a:hover {
    color: var(--primary-color);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.4rem;
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    margin: 0 0 0.75rem 0;
    color: var(--primary-color);
    font-size: 1.05rem;
}

.faq-item p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }
.p-5 { padding: 3rem; }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .header {
        border-bottom: 1px solid rgba(102, 126, 234, 0.08);
    }

    .navbar {
        padding: 0.65rem 0.9rem;
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .nav-brand h1 {
        font-size: 1.25rem;
        gap: 0.375rem;
    }

    .nav-brand i {
        font-size: 1.15rem;
    }

    .nav-links {
        width: 100%;
        display: flex;
        flex-direction: row;
        gap: 0.5rem;
        align-items: center;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        padding: 0.125rem 0 0.25rem;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links::-webkit-scrollbar {
        display: none;
    }

    .nav-links a {
        white-space: nowrap;
        text-align: center;
        padding: 0.45rem 0.8rem;
        background: var(--bg-accent);
        border-radius: 999px;
        font-size: 0.9rem;
        line-height: 1.1;
        flex: 0 0 auto;
    }

    .nav-links a::after {
        display: none;
    }

    .back-btn {
        margin-left: auto;
        padding: 0.65rem 0.9rem;
        font-size: 0.9rem;
        min-height: 42px;
    }
    
    .hero {
        padding: 3.5rem 0;
    }

    .hero h1 {
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 1.25rem;
    }

    .hero-proof {
        gap: 0.5rem;
        margin: 0.75rem auto 1.25rem;
    }

    .hero-proof-item {
        font-size: 0.85rem;
        padding: 0.5rem 0.75rem;
    }

    .hero-note {
        font-size: 0.88rem;
        padding: 0.75rem 0.875rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .plan-card.featured {
        transform: none;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        min-height: 46px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header {
        position: sticky;
    }

    .navbar {
        padding: 0.55rem 0.75rem;
        gap: 0.4rem;
    }

    .nav-brand h1 {
        font-size: 1.05rem;
        margin-bottom: 0;
    }

    .nav-links {
        gap: 0.4rem;
        padding-bottom: 0.15rem;
    }

    .nav-links a {
        padding: 0.4rem 0.7rem;
        font-size: 0.84rem;
    }

    .back-btn {
        width: 100%;
        justify-content: center;
    }

    .hero {
        padding: 2.5rem 0;
    }

    .hero-proof {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-proof-item {
        justify-content: center;
        border-radius: 12px;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .plan-card {
        padding: 2rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-buttons {
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: none;
    }

    .faq-item {
        padding: 1rem;
    }
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* Seleção de texto */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Foco */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}