/* AdVisionary Website Styles - Matching GUI Color Scheme */

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

:root {
    /* GUI Color Palette */
    --primary-blue: #2196F3;
    --primary-green: #4CAF50;
    --primary-orange: #FF9800;
    --primary-red: #ef4444;
    --secondary-red: #FF5722;
    --dark-text: #333;
    --gray-text: #666;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --border-color: #ddd;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand h1 {
    color: var(--primary-blue);
    font-size: 28px;
    font-weight: bold;
}

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

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

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

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 80px 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #f5f5f5 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 56px;
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-subtitle {
    font-size: 28px;
    color: var(--dark-text);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 18px;
    color: var(--gray-text);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 15px 35px;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-large {
    padding: 20px 50px;
    font-size: 18px;
}

.screenshot-placeholder {
    background: var(--white);
    border-radius: 10px;
    padding: 60px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    display: flex;
    gap: 30px;
    font-size: 80px;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-title {
    font-size: 42px;
    color: var(--dark-text);
    text-align: center;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 20px;
    color: var(--gray-text);
    text-align: center;
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    border: 2px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(33, 150, 243, 0.2);
    border-color: var(--primary-blue);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    color: var(--dark-text);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray-text);
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 100px 0;
    background: var(--light-gray);
}

.download-card {
    background: var(--white);
    border-radius: 10px;
    padding: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 50px;
}

.download-info h3 {
    font-size: 32px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.version {
    color: var(--gray-text);
    font-size: 16px;
    margin-bottom: 30px;
}

.requirements {
    list-style: none;
    font-size: 16px;
    color: var(--dark-text);
}

.requirements li {
    padding: 8px 0;
}

.download-action {
    text-align: center;
}

.download-icon {
    font-size: 24px;
    margin-right: 10px;
}

.download-size {
    margin-top: 15px;
    color: var(--gray-text);
    font-size: 14px;
}

.download-instructions {
    background: var(--white);
    border-radius: 10px;
    padding: 40px;
    border-left: 5px solid var(--primary-blue);
}

.download-instructions h3 {
    font-size: 24px;
    color: var(--dark-text);
    margin-bottom: 20px;
}

.download-instructions ol {
    padding-left: 25px;
}

.download-instructions li {
    padding: 10px 0;
    font-size: 16px;
    color: var(--gray-text);
}

/* Support Section */
.support {
    padding: 100px 0;
    background: var(--white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.support-card {
    background: var(--light-gray);
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid transparent;
    transition: border-color 0.3s;
}

.support-card:hover {
    border-color: var(--primary-blue);
}

.support-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 22px;
    color: var(--dark-text);
    margin-bottom: 15px;
}

.support-card p {
    color: var(--gray-text);
    margin-bottom: 10px;
}

.support-link {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: bold;
}

.support-link:hover {
    text-decoration: underline;
}

.support-detail {
    font-size: 14px;
    font-style: italic;
}

.support-form-section {
    background: var(--light-gray);
    padding: 50px;
    border-radius: 10px;
    max-width: 700px;
    margin: 0 auto 40px;
}

.support-form-section h3 {
    font-size: 28px;
    color: var(--dark-text);
    margin-bottom: 30px;
    text-align: center;
}

.support-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-weight: bold;
    color: var(--dark-text);
    margin-bottom: 8px;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    font-family: Arial, sans-serif;
    transition: border-color 0.3s;
}

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

.support-form button {
    margin-top: 10px;
}

.support-note {
    background: #fff3e0;
    border-left: 5px solid var(--primary-orange);
    padding: 25px;
    border-radius: 5px;
    max-width: 700px;
    margin: 0 auto;
}

.support-note p {
    color: var(--dark-text);
    margin-bottom: 5px;
}

.support-note a {
    color: var(--secondary-red);
    font-weight: bold;
}

/* Footer */
.footer {
    background: #1a1a1a;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.footer-section p {
    color: #ccc;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    padding: 8px 0;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
    color: #999;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .download-card {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 10px;
    }

    .hero-title {
        font-size: 42px;
    }

    .hero-subtitle {
        font-size: 22px;
    }

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

    .screenshot-placeholder {
        min-height: 250px;
        padding: 40px;
    }

    .placeholder-content {
        font-size: 50px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Section Spacing */
section {
    scroll-margin-top: 80px;
}