/* ========== RESET E VARIÁVEIS ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-purple: #8b5cf6;
    --primary-blue: #06b6d4;
    --dark-bg: #0a0a0f;
    --dark-card: #13131a;
    --dark-card-hover: #1a1a24;
    --neon-purple: #a855f7;
    --neon-blue: #22d3ee;
    --crystal-blue: #38bdf8;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --gradient-purple-blue: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #1a1a2e 100%);
    --glow-purple: 0 0 20px rgba(139, 92, 246, 0.5);
    --glow-blue: 0 0 20px rgba(6, 182, 212, 0.5);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== PARTÍCULAS DE FUNDO ========== */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--neon-purple);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 15s infinite ease-in-out;
}

.particle:nth-child(even) {
    background: var(--neon-blue);
}

@keyframes float {
    0%, 100% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) rotate(720deg);
        opacity: 0;
    }
}

/* ========== HEADER ========== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 0.7rem 2rem;
    box-shadow: 0 4px 30px rgba(139, 92, 246, 0.15);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(139, 92, 246, 0.5);
    letter-spacing: 2px;
    text-decoration: none;
}

.logo span {
    color: var(--neon-blue);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-purple-blue);
    transition: width 0.3s ease;
}

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

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

.nav-auth {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.btn-login {
    padding: 0.6rem 1.2rem;
    background: transparent;
    border: 2px solid var(--primary-purple);
    border-radius: 50px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.9rem;
}

.btn-login:hover {
    background: rgba(139, 92, 246, 0.1);
    box-shadow: var(--glow-purple);
}

.btn-register {
    padding: 0.6rem 1.2rem;
    background: var(--gradient-purple-blue);
    border: none;
    border-radius: 50px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    font-size: 0.9rem;
    box-shadow: var(--glow-purple);
}

.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.7);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========== HERO SECTION ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at center, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-bg-elements::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    animation: pulse 4s ease-in-out infinite;
}

.hero-bg-elements::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
    animation: pulse 5s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 1rem 2rem;
    background: var(--gradient-purple-blue);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--glow-purple);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.6);
}

.btn-secondary {
    padding: 1rem 2rem;
    background: transparent;
    border: 2px solid var(--primary-purple);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    box-shadow: var(--glow-purple);
}

/* ========== SEÇÃO SOBRE ========== */
.section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.about-card {
    background: var(--dark-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
    text-align: center;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.about-card.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.about-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-purple-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
}

.about-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========== SEÇÃO RECURSOS ========== */
.resources {
    background: linear-gradient(180deg, var(--dark-bg) 0%, rgba(26, 26, 46, 0.5) 50%, var(--dark-bg) 100%);
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    background: var(--dark-card);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.15);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: scale(0.9);
}

.resource-card.visible {
    opacity: 1;
    transform: scale(1);
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-purple-blue);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.resource-card:hover {
    transform: translateY(-5px) scale(1.02);
    border-color: var(--neon-purple);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

.resource-card:hover::before {
    opacity: 0.1;
}

.resource-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    position: relative;
    z-index: 1;
}

.resource-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.resource-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    position: relative;
    z-index: 1;
}

/* ========== SEÇÃO PLANOS ========== */
.plans {
    background: radial-gradient(ellipse at top, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.plan-card {
    background: var(--dark-card);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.plan-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.plan-card.featured {
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
    transform: scale(1.05);
}

.plan-card.featured.visible {
    transform: scale(1.05);
}

.plan-card:hover {
    transform: translateY(-10px);
}

.plan-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--gradient-purple-blue);
    color: white;
    padding: 0.3rem 2rem;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.plan-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 400;
}

.plan-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.7rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
}

.plan-features li::before {
    content: '✓';
    color: var(--neon-blue);
    font-weight: bold;
}

.plan-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
}

.plan-card.featured .plan-btn {
    background: var(--gradient-purple-blue);
    color: white;
    box-shadow: var(--glow-purple);
}

.plan-card:not(.featured) .plan-btn {
    background: transparent;
    border: 2px solid var(--primary-purple);
    color: var(--text-primary);
}

.plan-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-purple);
}

/* ========== FOOTER ========== */
footer {
    padding: 2rem;
    background: rgba(10, 10, 15, 0.95);
    border-top: 1px solid rgba(139, 92, 246, 0.2);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}

.footer-links a {
    color: var(--neon-purple);
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* ========== LOGIN PAGE ========== */
.login-page {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

.login-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
    width: 100%;
    gap: 3rem;
    align-items: center;
}

.login-info {
    padding: 2rem;
}

.login-info h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-purple-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.login-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--dark-card);
    border-radius: 12px;
    border: 1px solid rgba(139, 92, 246, 0.15);
    transition: all 0.3s ease;
}

.login-feature:hover {
    border-color: var(--neon-purple);
    transform: translateX(5px);
}

.login-feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-purple-blue);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.login-feature-text h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
}

.login-feature-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.login-card {
    background: var(--dark-card);
    border-radius: 24px;
    padding: 3rem;
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: 0 0 60px rgba(139, 92, 246, 0.15);
}

.login-card h2 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.input-wrapper {
    position: relative;
}

.input-wrapper .icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: var(--glow-purple);
}

.form-group input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.password-toggle {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--text-primary);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.remember-me input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-purple);
}

.forgot-password {
    color: var(--neon-blue);
    text-decoration: none;
    transition: all 0.3s ease;
}

.forgot-password:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-purple-blue);
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--glow-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(139, 92, 246, 0.6);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.register-link {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
}

.register-link a {
    color: var(--neon-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.register-link a:hover {
    color: var(--text-primary);
}

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    display: none;
}

.form-message.success {
    display: block;
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid rgba(34, 197, 94, 0.5);
    color: #22c55e;
}

.form-message.error {
    display: block;
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.5);
    color: #ef4444;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--text-primary);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .login-wrapper {
        grid-template-columns: 1fr;
    }

    .login-info {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .plans-grid {
        grid-template-columns: 1fr;
    }

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

    .plan-card.featured:hover {
        transform: translateY(-10px);
    }
}

@media (max-width: 500px) {
    .logo {
        font-size: 1.3rem;
    }

    .hero {
        padding: 6rem 1rem 2rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .section {
        padding: 3rem 1rem;
    }

    .resources-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 2rem 1.5rem;
    }

    .login-card h2 {
        font-size: 1.5rem;
    }

    .form-options {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}