/* ==========================================================================
   1. Global Styles & Design System
   ========================================================================== */

/* Using modern CSS reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Color Palette */
    --primary-green: #2D7A74;
    --secondary-green: #F0F5F4;
    --accent-color: #D4A373;
    --neutral-text: #333333;
    --neutral-bg: #FCFCFC;
    --white: #FFFFFF;
    --border-color: #EAEAEA;
    --danger-color: #e74c3c;

    /* Typography */
    --font-family: 'Vazirmatn', sans-serif;
    
    /* Spacing & Radius */
    --spacing-unit: 8px;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    line-height: 1.8;
    color: var(--neutral-text);
    background-color: var(--neutral-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    padding-left: calc(var(--spacing-unit) * 2);
    padding-right: calc(var(--spacing-unit) * 2);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-green);
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.section-subtitle {
    font-size: 1.1rem;
    text-align: center;
    max-width: 600px;
    margin: 0 auto calc(var(--spacing-unit) * 6);
    color: #555;
}

.hidden {
    display: none !important;
}


/* ==========================================================================
   2. Buttons & CTAs
   ========================================================================== */

.cta-primary, .cta-secondary, .cta-danger {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-family: var(--font-family);
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

.cta-primary {
    background-color: var(--accent-color);
    color: var(--white);
}

.cta-primary:hover {
    background-color: #c8935a;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.cta-secondary {
    background-color: transparent;
    color: var(--primary-green);
    border-color: var(--primary-green);
}

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

.cta-danger {
    background-color: var(--danger-color);
    color: var(--white);
}


/* ==========================================================================
   3. Header & Navigation
   ========================================================================== */

.navbar {
    background-color: var(--neutral-bg);
    padding: var(--spacing-unit) 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-green);
    text-decoration: none;
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-unit) * 4);
}

.nav-menu a {
    text-decoration: none;
    color: var(--neutral-text);
    font-weight: 700;
    position: relative;
    padding: var(--spacing-unit) 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width var(--transition-fast);
}

.nav-menu a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-unit);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-green);
}


/* ==========================================================================
   4. Hero Section
   ========================================================================== */

.hero {
    padding: calc(var(--spacing-unit) * 10) 0;
    background-color: var(--secondary-green);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: calc(var(--spacing-unit) * 6);
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.4;
    margin-bottom: calc(var(--spacing-unit) * 3);
    color: var(--primary-green);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: calc(var(--spacing-unit) * 4);
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
}

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

.book-cover {
    max-width: 300px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transform: rotate(-3deg);
    transition: transform var(--transition-slow);
}

.hero-visual:hover .book-cover {
    transform: rotate(0deg) scale(1.05);
}


/* ==========================================================================
   5. General Sections & Cards
   ========================================================================== */

.about-section, .features-section, .purchase-section, .faq-preview-section, .contact-section, .why-consult-section {
    padding: calc(var(--spacing-unit) * 10) 0;
}

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

.about-content p {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.about-content blockquote {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-green);
    border-right: 4px solid var(--accent-color);
    padding-right: calc(var(--spacing-unit) * 2);
    margin: calc(var(--spacing-unit) * 4) 0;
    text-align: right;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing-unit) * 4);
}

.feature-card {
    background-color: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.07);
}

.feature-icon {
    color: var(--accent-color);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.feature-icon svg {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-unit);
}


/* ==========================================================================
   6. Purchase Section & Forms
   ========================================================================== */

.purchase-section {
    background-color: var(--secondary-green);
}

.purchase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4);
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.purchase-card {
    background-color: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.purchase-card.popular {
    border-color: var(--accent-color);
    position: relative;
    border-width: 2px;
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: var(--white);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 700;
}

.purchase-card h3 {
    color: var(--primary-green);
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
}

.purchase-features {
    list-style: none;
    margin-bottom: calc(var(--spacing-unit) * 4);
    flex-grow: 1;
}

.purchase-features li {
    padding-right: calc(var(--spacing-unit) * 3);
    position: relative;
    margin-bottom: var(--spacing-unit);
}

.purchase-features li::before {
    content: '✓';
    color: var(--primary-green);
    position: absolute;
    right: 0;
    top: 0;
}

.payment-form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: var(--spacing-unit);
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 14px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

#payment-form button, #consultation-form button {
    width: 100%;
}

.form-message {
    margin-top: var(--spacing-unit);
    text-align: center;
    font-weight: 700;
}

/* ==========================================================================
   7. FAQ Section
   ========================================================================== */
.faq-preview-section {
    background-color: var(--white);
}

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

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-item summary {
    padding: calc(var(--spacing-unit) * 2) 0;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none; /* Remove default marker */
    position: relative;
    padding-left: calc(var(--spacing-unit) * 4);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-green);
    transition: transform var(--transition-fast);
}

.faq-item[open] summary::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-item p {
    padding: 0 0 calc(var(--spacing-unit) * 2);
}

.faq-link {
    text-align: center;
    margin-top: calc(var(--spacing-unit) * 4);
}

.faq-link a {
    color: var(--primary-green);
    font-weight: 700;
    text-decoration: none;
}

/* ==========================================================================
   8. Contact Section
   ========================================================================== */
.contact-section {
    background-color: var(--primary-green);
    color: var(--white);
    text-align: center;
}

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

.contact-section .cta-primary {
    background-color: var(--white);
    color: var(--primary-green);
}

/* ==========================================================================
   9. Footer
   ========================================================================== */

.footer {
    background-color: var(--neutral-text);
    color: #ccc;
    padding: calc(var(--spacing-unit) * 3) 0;
}

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

.footer-nav a {
    color: #ccc;
    text-decoration: none;
    margin-right: calc(var(--spacing-unit) * 2);
}

.footer-nav a:hover {
    color: var(--white);
}

/* ==========================================================================
   10. Static & Modal Pages
   ========================================================================== */
.static-page-body {
    background-color: var(--white);
}
.page-container {
    padding-top: calc(var(--spacing-unit) * 6);
    padding-bottom: calc(var(--spacing-unit) * 6);
    min-height: 80vh;
}
.page-title {
    font-size: 2.8rem;
    color: var(--primary-green);
    margin-bottom: calc(var(--spacing-unit) * 4);
}
.static-content h3 {
    color: var(--primary-green);
    margin-top: calc(var(--spacing-unit) * 3);
    margin-bottom: var(--spacing-unit);
}

/* Consultation Hero */
.consultation-hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1573497491208-6b1acb260507?q=80&w=2070&auto=format&fit=crop') center/cover no-repeat;
    color: var(--white);
    text-align: center;
    padding: calc(var(--spacing-unit) * 12) 0;
}
.consultation-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-unit);
}

/* Modal */
.modal-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 1;
    transition: opacity var(--transition-fast);
}
.modal-wrapper.hidden {
    opacity: 0;
    pointer-events: none;
}
.modal-content {
    background-color: var(--white);
    padding: calc(var(--spacing-unit) * 4);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    position: relative;
}
.close-modal-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: #aaa;
}

/* Verify Page */
.verify-container {
    text-align: center;
    padding: calc(var(--spacing-unit) * 5);
}
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top-color: var(--primary-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto calc(var(--spacing-unit) * 2);
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.verify-icon {
    margin: 0 auto calc(var(--spacing-unit) * 2);
}
.verify-icon.success { color: var(--primary-green); }
.verify-icon.error { color: var(--danger-color); }

/* Orders Page */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-unit) * 2;
    margin-bottom: var(--spacing-unit) * 4;
}
.stat-card {
    background-color: var(--white);
    padding: var(--spacing-unit) * 2;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
}
.stat-card h3 { font-size: 2rem; color: var(--primary-green); }
.orders-table {
    background-color: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}
.orders-table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr;
    background-color: var(--secondary-green);
    padding: var(--spacing-unit) * 2;
    font-weight: 700;
}
.order-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr 1fr;
    padding: var(--spacing-unit) * 2;
    border-bottom: 1px solid var(--border-color);
}
.order-item:last-child { border-bottom: none; }
.status-badge {
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    text-align: center;
}
.status-completed { background-color: #d4edda; color: #155724; }
.status-pending { background-color: #fff3cd; color: #856404; }
.status-failed { background-color: #f8d7da; color: #721c24; }

/* ==========================================================================
   11. Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content p { margin: 0 auto calc(var(--spacing-unit) * 4); }
    .hero-actions { justify-content: center; }
    .hero-visual { margin-top: calc(var(--spacing-unit) * 4); }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--white);
        width: 100%;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    .nav-menu.active { display: block; }
    .nav-menu ul { flex-direction: column; padding: var(--spacing-unit) * 2; gap: 0; }
    .nav-menu li { border-bottom: 1px solid var(--border-color); }
    .nav-menu li:last-child { border-bottom: none; }
    .nav-menu a { display: block; padding: var(--spacing-unit) * 2; }
    .mobile-menu-btn { display: block; }
    .header-actions .cta-secondary { display: none; }

    .purchase-grid { grid-template-columns: 1fr; }
    
    .footer .container { flex-direction: column; gap: var(--spacing-unit); }
    
    .orders-table-header, .order-item {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-unit);
    }
    .orders-table-header > div:nth-child(3),
    .orders-table-header > div:nth-child(4),
    .order-item > div:nth-child(3),
    .order-item > div:nth-child(4) {
        display: none;
    }
}