/* ===== NBMMATHS GRADE 12 APP DOWNLOAD PAGE STYLES ===== */
/* Matching nbmmaths.co.za design */

/* === ROOT VARIABLES === */
:root {
    --cream-bg: #f5f5dc;
    --light-green: #d4e9c4;
    --olive-green: #6b8e23;
    --dark-green: #4a6016;
    --text-dark: #2c2c2c;
    --text-gray: #666;
    --white: #ffffff;
    --border-radius: 12px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* === RESET & BASE === */
* {
    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);
    background-color: var(--cream-bg);
}

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
    font-family: Georgia, 'Times New Roman', serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

a {
    color: var(--olive-green);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/* === LOGO === */
.logo h1 {
    font-size: 2.5rem;
    font-family: Georgia, serif;
    letter-spacing: 0.05em;
    text-align: center;
    margin-bottom: 0.5rem;
}

.stylized-m {
    font-style: italic;
    font-size: 1.1em;
}

.tagline {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

/* === HERO SECTION === */
.hero {
    padding: 60px 0;
    text-align: center;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
    color: var(--text-gray);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--olive-green);
    font-family: Georgia, serif;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--olive-green);
    color: white;
    border-color: var(--olive-green);
}

.btn-primary:hover {
    background-color: var(--dark-green);
    border-color: var(--dark-green);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-dark);
    border-color: var(--text-dark);
}

.btn-secondary:hover {
    background-color: var(--light-green);
    border-color: var(--olive-green);
}

.btn-download {
    background-color: var(--olive-green);
    color: white;
    border-color: var(--olive-green);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    padding: 16px 40px;
}

.btn-download:hover {
    background-color: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(107, 142, 35, 0.3);
}

/* === SECTIONS === */
section {
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

/* === FEATURES SECTION === */
.features {
    background-color: white;
}

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

.feature-card {
    background-color: var(--light-green);
    border: 2px solid var(--olive-green);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* === TOPICS SECTION === */
.topics {
    background-color: var(--cream-bg);
}

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

.topic-item {
    background-color: white;
    border: 2px solid var(--light-green);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.topic-item:hover {
    background-color: var(--light-green);
    border-color: var(--olive-green);
}

/* === HOW IT WORKS === */
.how-it-works {
    background-color: white;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--olive-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.step p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

/* === PAYMENT SECTION === */
.payment {
    background-color: var(--cream-bg);
}

.payment-box {
    background-color: white;
    border: 3px solid var(--light-green);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    box-shadow: var(--box-shadow);
}

.payment-box h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--olive-green);
}

.payment-details {
    margin-bottom: 1.5rem;
}

.payment-row {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--light-green);
}

.payment-row:last-child {
    border-bottom: none;
}

.payment-row.highlight {
    background-color: #fff9e6;
    padding: 1rem;
    margin: 0.5rem -1rem;
    border-radius: 8px;
}

.payment-row .label {
    font-weight: 600;
    color: var(--text-dark);
}

.payment-row .value {
    color: var(--text-gray);
}

.payment-note {
    background-color: #fff3cd;
    border-left: 4px solid var(--olive-green);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1.5rem;
}

.payment-note p {
    margin-bottom: 0;
    color: var(--text-dark);
}

.whatsapp-box {
    background-color: var(--light-green);
    border: 2px solid var(--olive-green);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.whatsapp-box h3 {
    margin-bottom: 1rem;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: #25D366;
    color: white;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    background-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* === DOWNLOAD SECTION === */
.download {
    background-color: white;
}

.download-box {
    background-color: var(--light-green);
    border: 3px solid var(--olive-green);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.download-info h3 {
    color: var(--olive-green);
    margin-bottom: 0.5rem;
}

.version {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.app-description {
    margin-bottom: 1.5rem;
}

.download-specs {
    background-color: white;
    border-radius: 8px;
    padding: 1rem;
}

.spec {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--light-green);
}

.spec:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
}

.spec-value {
    color: var(--text-gray);
}

.download-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.download-note {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 1rem;
    font-style: italic;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 1.5rem;
    padding: 0.8rem 1.2rem;
    background-color: white;
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--olive-green);
    font-weight: 600;
}

.registration-link-box {
    background-color: var(--cream-bg);
    border: 2px solid var(--light-green);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.registration-link-box p {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

/* === INSTALLATION SECTION === */
.installation {
    background-color: var(--cream-bg);
}

.install-steps {
    display: grid;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.install-step {
    background-color: white;
    border: 2px solid var(--light-green);
    border-radius: var(--border-radius);
    padding: 2rem;
}

.install-step h3 {
    color: var(--olive-green);
    margin-bottom: 1rem;
}

.install-step ul {
    margin-left: 1.5rem;
}

.install-step li {
    margin-bottom: 0.5rem;
    color: var(--text-gray);
}

.help-box {
    background-color: var(--light-green);
    border: 2px solid var(--olive-green);
    border-radius: var(--border-radius);
    padding: 2rem;
    max-width: 600px;
    margin: 2rem auto 0;
    text-align: center;
}

.help-box h3 {
    color: var(--olive-green);
    margin-bottom: 1rem;
}

.help-box ul {
    list-style: none;
    margin-top: 1rem;
}

.help-box li {
    margin-bottom: 0.5rem;
}

/* === FAQS SECTION === */
.faqs {
    background-color: white;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--light-green);
    border: 2px solid var(--olive-green);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.faq-item h3 {
    color: var(--olive-green);
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}

.faq-item p {
    margin-bottom: 0;
    color: var(--text-gray);
}

/* === SUPPORT SECTION === */
.support {
    background-color: var(--cream-bg);
}

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

.support-card {
    background-color: white;
    border: 2px solid var(--light-green);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
}

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

.support-card h3 {
    margin-bottom: 0.8rem;
}

.support-card p {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
}

/* === FOOTER === */
footer {
    background-color: var(--text-dark);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    color: white;
    margin-bottom: 1rem;
}

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

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ccc;
}

.footer-section a:hover {
    color: var(--light-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #999;
    margin-bottom: 0;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .download-box {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .payment-box {
        padding: 1.5rem;
    }
    
    .payment-row {
        flex-direction: column;
        gap: 0.3rem;
    }
}