/* CSS Variables - Using logo colors */
:root {
    --primary-color: #8ba0ff;
    --primary-dark: #6a7dd9;
    --primary-light: #a5b5ff;
    --accent-color: #000000;
    --text-dark: #2c3e50;
    --text-light: #666666;
    --background-light: #f8f9ff;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(139, 160, 255, 0.1);
    --shadow-lg: 0 10px 25px rgba(139, 160, 255, 0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.logo-circle.large {
    width: 200px;
    height: 200px;
}

.logo-circle.small {
    width: 40px;
    height: 40px;
}

.logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

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

.cta-button {
    background: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--white) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent-color);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

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

.cta-button-large {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.cta-button-large:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.secondary-button {
    background: var(--white);
    color: var(--primary-color);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    border: 2px solid var(--primary-color);
    transition: all 0.3s;
}

.secondary-button:hover {
    background: var(--primary-color);
    color: var(--white);
}

.phone-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--background-light);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--white) 100%);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow);
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}

.step p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Video Container */
.video-container {
    max-width: 800px;
    margin: 0 auto;
}

.video-placeholder {
    background: var(--background-light);
    border-radius: 16px;
    padding: 4rem 2rem;
    text-align: center;
    border: 3px dashed var(--primary-color);
    cursor: pointer;
    transition: all 0.3s;
}

.video-placeholder:hover {
    background: var(--primary-light);
    border-style: solid;
}

.play-button {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-lg);
}

.video-placeholder p {
    font-size: 1.25rem;
    color: var(--text-dark);
    font-weight: 600;
}

/* Requirements Section */
.requirements {
    padding: 5rem 0;
    background: var(--white);
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.requirement-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--background-light);
    border-radius: 12px;
    text-align: center;
}

.requirement-icon {
    font-size: 3rem;
}

.requirement-item p {
    font-weight: 600;
    color: var(--text-dark);
}

/* Testimonials Section */
.testimonials {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.testimonials .section-title,
.testimonials .section-subtitle {
    color: var(--white);
}

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

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

.testimonial-text {
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.testimonial-author h4 {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.testimonial-author p {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* Download Section */
.download {
    padding: 5rem 0;
    background: var(--background-light);
    text-align: center;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.download-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--accent-color);
    color: var(--white);
    padding: 1rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.download-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.download-icon {
    font-size: 2rem;
}

.download-button small {
    display: block;
    font-size: 0.75rem;
    text-align: left;
}

.download-button strong {
    display: block;
    font-size: 1.25rem;
    text-align: left;
}

.download-note {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* Notify Form */
.notify-form {
    max-width: 500px;
    margin: 2rem auto;
}

.form-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.email-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: 2px solid var(--primary-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s;
}

.email-input:focus {
    outline: none;
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(139, 160, 255, 0.2);
}

.email-input::placeholder {
    color: var(--text-light);
}

.submit-button {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: var(--shadow);
    white-space: nowrap;
}

.submit-button:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    font-size: 0.875rem;
    margin-top: 0.5rem;
    min-height: 1.25rem;
}

.form-message.success {
    color: #22c55e;
}

.form-message.error {
    color: #ef4444;
}

/* Footer */
footer {
    background: var(--accent-color);
    color: var(--white);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1rem;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary-light);
}

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

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

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

    .hero-buttons {
        flex-direction: column;
    }

    .phone-mockup {
        order: -1;
    }

    .logo-circle.large {
        width: 150px;
        height: 150px;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
    }

    .form-group {
        flex-direction: column;
    }

    .submit-button {
        width: 100%;
    }
}