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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #80956d;
    text-decoration: none;
}

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
    color: #e87b69;
}

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

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #80956d;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #80956d 0%, #e87b69 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.7;
}

.hero-price {
    display: flex;
    align-items: baseline;
    margin-bottom: 2rem;
}

.price {
    font-size: 4rem;
    font-weight: 700;
    color: #fff;
}

.price-text {
    font-size: 1.2rem;
    margin-left: 0.5rem;
    opacity: 0.9;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: #fff;
    color: #80956d;
}

.btn-primary:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #80956d;
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.math-icon {
    font-size: 15rem;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: 80px 20px;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #80956d;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #80956d, #e87b69);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: #80956d;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: #80956d;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #e87b69;
    margin-bottom: 0.5rem;
}

.stat-text {
    color: #666;
    font-size: 0.9rem;
}

/* Mission Section */
.mission {
    background: rgba(128, 149, 109, 0.1);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #80956d;
}

.mission h3 {
    color: #80956d;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.mission p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.specialty-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #80956d;
    font-weight: 500;
}

.specialty-item i {
    color: #e87b69;
}

.about-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.math-formulas {
    position: relative;
    width: 300px;
    height: 300px;
}

.formula {
    position: absolute;
    background: linear-gradient(135deg, #80956d, #e87b69);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    animation: float 4s ease-in-out infinite;
}

.formula:nth-child(1) {
    top: 20px;
    left: 50px;
    animation-delay: 0s;
}

.formula:nth-child(2) {
    top: 80px;
    right: 20px;
    animation-delay: 1s;
}

.formula:nth-child(3) {
    bottom: 80px;
    left: 20px;
    animation-delay: 2s;
}

.formula:nth-child(4) {
    bottom: 20px;
    right: 50px;
    animation-delay: 3s;
}

/* Services Section */
.services {
    padding: 80px 20px;
    background: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #80956d;
    margin-bottom: 4rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    border: 2px solid #e87b69;
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(232, 123, 105, 0.2);
}

.service-card h3 {
    font-size: 1.8rem;
    color: #80956d;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.5rem 0;
    color: #555;
    position: relative;
    padding-left: 1.5rem;
}

.service-card li::before {
    content: "•";
    color: #e87b69;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Pricing Section */
.pricing {
    padding: 80px 20px;
    background: white;
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #80956d;
    margin-bottom: 4rem;
}

.pricing-card {
    max-width: 500px;
    margin: 0 auto;
    background: linear-gradient(135deg, #80956d, #e87b69);
    border-radius: 30px;
    padding: 3rem;
    color: white;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.price-header h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.price-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 2rem;
}

.currency {
    font-size: 2rem;
    font-weight: 600;
}

.amount {
    font-size: 4rem;
    font-weight: 700;
    margin: 0 0.5rem;
}

.period {
    font-size: 1.2rem;
    opacity: 0.8;
}

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

.price-features li {
    padding: 0.8rem 0;
    display: flex;
    align-items: center;
}

.price-features i {
    color: #fff;
    margin-right: 1rem;
    font-size: 1.1rem;
}

.btn-full {
    width: 100%;
    margin-top: 1rem;
}

/* Contact Section */
.contact {
    padding: 80px 20px;
    background: #f8f9fa;
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    color: #80956d;
    margin-bottom: 1rem;
}

.contact > p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #555;
}

.contact-item i {
    color: #e87b69;
    font-size: 1.2rem;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #80956d;
}

.contact-form textarea {
    grid-column: 1 / -1;
    resize: vertical;
    min-height: 120px;
    margin-bottom: 1.5rem;
}

/* Thank You Page Styles */
.thank-you {
    background: linear-gradient(135deg, #80956d, #6d8a5a);
    color: white;
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 80px;
}

.thank-you-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.thank-you-icon {
    font-size: 5rem;
    color: #e87b69;
    margin-bottom: 2rem;
}

.thank-you h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.thank-you-message {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.next-steps {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2.5rem;
    margin: 3rem 0;
    backdrop-filter: blur(10px);
}

.next-steps h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #e87b69;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    text-align: left;
}

.step-number {
    background: #e87b69;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.step-content p {
    font-size: 0.95rem;
    line-height: 1.5;
    opacity: 0.8;
}

.contact-reminder {
    background: rgba(232, 123, 105, 0.2);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.contact-reminder h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #e87b69;
}

.contact-reminder .contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-reminder .contact-item i {
    color: #e87b69;
}

.thank-you-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.thank-you-actions .btn {
    min-width: 180px;
}

/* Footer Social Links */
.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #80956d;
    color: white;
    text-decoration: none;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.footer-social-link:hover {
    background: #e87b69;
    transform: translateY(-2px);
}

.footer-social-link i {
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 250px;
    }

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

    .stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }

    .form-group {
        grid-template-columns: 1fr;
    }

    .math-formulas {
        width: 250px;
        height: 250px;
    }

    .formula {
        font-size: 1rem;
        padding: 0.8rem 1rem;
    }

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

    .features,
    .about,
    .services,
    .pricing,
    .contact {
        padding: 60px 20px;
    }

    .thank-you {
        min-height: 70vh;
        padding: 100px 20px 60px;
    }

    .thank-you h1 {
        font-size: 2.5rem;
    }

    .thank-you-message {
        font-size: 1.1rem;
    }

    .next-steps {
        padding: 2rem 1.5rem;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .thank-you-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-social {
        order: -1;
    }
}

@media (max-width: 480px) {
    .thank-you h1 {
        font-size: 2rem;
    }

    .thank-you-icon {
        font-size: 4rem;
    }

    .next-steps h3 {
        font-size: 1.5rem;
    }
}