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

:root {
    --primary-color: #E67E22;
    --secondary-color: #1E3A5F;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

html {
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #2C5282 100%);
    color: var(--white);
    padding: 0;
    text-align: center;
}

.logo-stripe {
    background: white;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    padding: 50px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.hero .container {
    padding: 60px 20px 100px;
}

.hero-logo {
    width: 250px;
    max-width: 90%;
    height: auto;
    animation: fadeInDown 0.8s ease-out;
    display: inline-block;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white);
    padding: 16px 40px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    background: #D35400;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Problem Section */
.problem {
    padding: 80px 20px;
    background: var(--white);
    text-align: center;
}

.problem h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-weight: 700;
}

.problem p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* For Who Section */
.for-who {
    padding: 80px 20px;
    background: var(--bg-light);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

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

.icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.card p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Signup Section */
.signup {
    padding: 80px 20px;
    background: var(--white);
    text-align: center;
}

.signup h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.signup-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
}

#signup-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 16px;
    border: 2px solid #E0E0E0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-note {
    margin-top: 20px;
    font-size: 0.95rem;
    color: var(--text-light);
}

.form-note a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.form-note a:hover {
    text-decoration: underline;
}

.success-text {
    font-size: 1.2rem;
    color: #27AE60;
    font-weight: 600;
    padding: 20px;
    background: #E8F8F5;
    border-radius: 8px;
    margin-top: 20px;
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 60px 20px 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-info p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-info a {
    color: var(--primary-color);
    text-decoration: none;
}

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

.footer-tagline {
    text-align: right;
}

.footer-tagline p {
    font-style: italic;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .logo-stripe {
        padding: 30px 0;
        margin-bottom: 30px;
    }
    
    .hero-logo {
        width: 200px;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .problem h2,
    .signup h2 {
        font-size: 2rem;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-tagline {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .btn-primary {
        padding: 14px 30px;
        font-size: 1rem;
    }

    .problem,
    .for-who,
    .signup {
        padding: 60px 20px;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.hero,
.problem,
.for-who,
.signup {
    animation: fadeIn 0.8s ease-out;
}