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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fef9f3;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #6B9BD1 0%, #4A7BA7 100%);
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.8em;
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s;
    display: inline-block;
}

nav a:hover {
    transform: translateY(-2px);
    text-decoration: underline;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #89B5E4 0%, #6B9BD1 100%);
    color: white;
    padding: 100px 20px;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.certification-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 25px;
    border-radius: 25px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.hero h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    line-height: 1.2;
}

.hero h2 {
    font-size: 2em;
    margin-bottom: 30px;
    font-weight: 400;
    opacity: 0.95;
}

.cta-button {
    display: inline-block;
    background: white;
    color: #4A7BA7;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 10px;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* About Section */
.about {
    padding: 80px 20px;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.about-text h2 {
    font-size: 2.5em;
    color: #4A7BA7;
    margin-bottom: 30px;
}

.about-text p {
    font-size: 1.15em;
    line-height: 1.9;
    margin-bottom: 20px;
    color: #555;
}

.about-image {
    background: linear-gradient(135deg, #FFD93D 0%, #FFA07A 100%);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    text-align: center;
}

.about-image img {
    width: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5em;
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: linear-gradient(135deg, #FFE5B4 0%, #FFD93D 100%);
}

.section-title {
    text-align: center;
    font-size: 2.5em;
    margin-bottom: 50px;
    color: #4A7BA7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1100px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
    color: #4A7BA7;
}

.feature-card p {
    color: #666;
    line-height: 1.8;
    font-size: 1.05em;
}

/* Testimonials */
.testimonials {
    padding: 80px 20px;
    background: white;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.testimonial {
    background: linear-gradient(135deg, #E8F4F8 0%, #D4E9F7 100%);
    padding: 35px;
    border-radius: 15px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    border-left: 5px solid #6B9BD1;
    position: relative;
}

.testimonial::before {
    content: '"';
    font-size: 4em;
    color: #6B9BD1;
    opacity: 0.3;
    position: absolute;
    top: 10px;
    left: 20px;
    font-family: Georgia, serif;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    color: #444;
    font-size: 1.1em;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    font-weight: bold;
    color: #4A7BA7;
    font-size: 1.1em;
}

/* App Section */
.app-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #9B7EBD 0%, #7B5BA5 100%);
    color: white;
}

.app-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.app-content h2 {
    font-size: 2.5em;
    margin-bottom: 25px;
}

.app-content p {
    font-size: 1.25em;
    line-height: 1.8;
    margin-bottom: 30px;
}

.app-store-button {
    display: inline-block;
    background: white;
    color: #7B5BA5;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2em;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}

.app-store-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background: white;
    text-align: center;
}

.contact h2 {
    font-size: 2.5em;
    color: #4A7BA7;
    margin-bottom: 30px;
}

.contact p {
    font-size: 1.2em;
    color: #555;
    margin-bottom: 20px;
}

.contact-button {
    display: inline-block;
    background: linear-gradient(135deg, #6B9BD1 0%, #4A7BA7 100%);
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.contact-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Footer */
footer {
    background: #2C3E50;
    color: white;
    padding: 40px 20px;
    text-align: center;
}

footer p {
    margin: 10px 0;
}

footer a {
    color: #89B5E4;
    text-decoration: none;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.2em;
    }

    .hero h2 {
        font-size: 1.5em;
    }

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

    nav ul {
        flex-direction: column;
        gap: 10px;
        margin-top: 15px;
    }

    .header-content {
        justify-content: center;
        text-align: center;
    }

    .section-title {
        font-size: 2em;
    }

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

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

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}