@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.6;
}

/* Header */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    height: 60px;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar {
    height: 100%;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.logo-text {
    font-weight: 600;
    font-size: 16px;
    position: absolute;
    left: 20px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: #1d1d1f;
    font-size: 14px;
    font-weight: 500;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    padding: 8px 12px;
    border-radius: 6px;
}

.nav-link:hover,
.nav-link.active {
    opacity: 1;
    background-color: rgba(0, 113, 227, 0.1);
}

/* Main Content */
.main-content {
    padding-top: 60px;
    min-height: calc(100vh - 60px);
}

.section {
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.section-content {
    max-width: 1000px;
    width: 100%;
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: 40px;
}

.hero-logo {
    height: 100px;
    margin-bottom: 30px;
    display: inline-block;
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.015em;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.hero p {
    font-size: 20px;
    color: #86868b;
    margin-bottom: 20px;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 16px;
    color: #555;
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: #0071e3;
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn:hover {
    background-color: #0077ed;
    transform: scale(1.02);
}

.btn-submit {
    width: 100%;
    padding: 14px;
    font-size: 16px;
    margin-top: 10px;
}

/* Content Box */
.content-box {
    background: white;
    padding: 50px 40px;
    border-radius: 18px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-top: 40px;
}

.content-box h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.content-box p {
    font-size: 16px;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.8;
}

.content-box h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-card {
    background: #f5f5f7;
    padding: 30px;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #1d1d1f;
}

.feature-card p {
    font-size: 14px;
    color: #86868b;
    margin: 0;
}

/* Benefits List */
.benefits-list {
    list-style: none;
    margin: 20px 0;
}

.benefits-list li {
    font-size: 16px;
    color: #555;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.benefits-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #0071e3;
    font-weight: bold;
    font-size: 18px;
}

/* Form */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #1d1d1f;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d2d2d7;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    background-color: #f5f5f7;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0071e3;
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
    background-color: white;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Messages */
.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    font-weight: 500;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
    font-weight: 500;
}

/* Footer */
.footer {
    background-color: white;
    border-top: 1px solid #e5e5e7;
    padding: 40px 20px;
    margin-top: 60px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    font-size: 13px;
    color: #86868b;
}

.footer-container p {
    margin: 5px 0;
}

/* Responsivo */
@media (max-width: 768px) {
    .nav-links {
        gap: 20px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero p {
        font-size: 18px;
    }

    .content-box {
        padding: 30px 20px;
    }

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

    .section {
        padding: 40px 20px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 14px;
    }

    .nav-links {
        gap: 15px;
    }

    .nav-link {
        font-size: 12px;
        padding: 6px 10px;
    }

    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .content-box {
        padding: 20px 15px;
    }

    .content-box h2 {
        font-size: 22px;
    }
}