/* ===================================
   Agunfon - Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-blue: #1E3A8A;
    --primary-blue-dark: #152A5E;
    --primary-blue-light: #3B5BB5;
    --secondary-yellow: #F59E0B;
    --secondary-gold: #D4A553;
    --accent-blue: #3B82F6;
    --light-blue: #EFF6FF;
    --lighter-blue: #F8FAFC;
    
    /* Neutrals */
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-script: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --container-max: 1280px;
    --section-padding: 80px;
    --section-padding-mobile: 48px;
    
    /* Borders & Shadows */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.highlight-script {
    font-family: var(--font-script);
    font-style: italic;
    color: var(--secondary-gold);
    font-weight: 400;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.btn-secondary {
    background-color: var(--secondary-yellow);
    color: var(--gray-900);
}

.btn-secondary:hover {
    background-color: #E08E0A;
}

.btn-outline {
    border: 1px solid var(--primary-blue);
    color: var(--primary-blue);
    background-color: transparent;
}

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

.btn-outline-dark {
    border: 1px solid var(--gray-300);
    color: var(--gray-700);
    background-color: transparent;
}

.btn-outline-dark:hover {
    border-color: var(--gray-400);
    background-color: var(--gray-50);
}

.btn-outline-light {
    border: 1px solid var(--white);
    color: var(--white);
    background-color: transparent;
}

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

/* ===================================
   HEADER
   =================================== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-100);
}

.header-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    display: flex;
    align-items: center;
    gap: 4px;
}

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

.dropdown-icon {
    width: 12px;
    height: 12px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--gray-700);
    transition: var(--transition-fast);
}

@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }
    
    .header-actions {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

/* ===================================
   HERO
   =================================== */
.hero {
    background: linear-gradient(180deg, var(--light-blue) 0%, var(--white) 100%);
    padding: var(--section-padding) 0;
    overflow: hidden;
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.hero-content {
    max-width: 700px;
    margin: 0 auto 48px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.hero-dashboard {
    max-width: 900px;
    margin: 0 auto;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: flex;
    min-height: 400px;
}

.dashboard-sidebar {
    width: 200px;
    background: var(--gray-50);
    padding: 24px 16px;
    border-right: 1px solid var(--gray-100);
}

.user-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gray-300);
    margin-bottom: 24px;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    color: var(--gray-600);
    cursor: pointer;
    transition: var(--transition-fast);
}

.menu-item:hover {
    background: var(--gray-100);
}

.menu-item.active {
    background: var(--primary-blue);
    color: var(--white);
}

.dashboard-main {
    flex: 1;
    padding: 24px;
}

.dashboard-header h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.completion-card {
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

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

.completion-text p {
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--gray-50);
    border-radius: var(--border-radius);
    padding: 16px;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    display: block;
    margin-bottom: 8px;
}

.stat-progress {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.stat-progress::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 65%;
    background: var(--primary-blue);
    border-radius: 4px;
}

.team-avatars {
    display: flex;
    margin-left: 8px;
}

.team-avatars img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--white);
    margin-left: -8px;
    background: var(--gray-300);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .dashboard-card {
        flex-direction: column;
    }
    
    .dashboard-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--gray-100);
    }
}

/* ===================================
   TRUSTED BY
   =================================== */
.trusted-by {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.trusted-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.trusted-title {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.trusted-subtitle {
    color: var(--gray-500);
    font-size: 1rem;
    margin-bottom: 48px;
}

.trusted-logos {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 48px;
}

.logo-item {
    opacity: 0.6;
    transition: var(--transition-base);
    filter: grayscale(100%);
}

.logo-item:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.logo-item img {
    height: 40px;
    width: auto;
}

/* ===================================
   FEATURES ACCORDION
   =================================== */
.features-accordion {
    padding: var(--section-padding) 0;
    background: var(--lighter-blue);
}

.features-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.features-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

.features-title {
    font-size: 2.25rem;
    margin-bottom: 20px;
}

.features-description {
    color: var(--gray-600);
    font-size: 1rem;
    line-height: 1.7;
}

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

.accordion-item {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-header {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-800);
    background: var(--white);
    text-align: left;
    transition: var(--transition-base);
}

.accordion-header:hover {
    background: var(--gray-50);
}

.accordion-icon {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.accordion-item.active .accordion-content {
    max-height: 200px;
}

.accordion-content p {
    padding: 0 24px 20px;
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

/* ===================================
   LMS FEATURES
   =================================== */
.lms-features {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.lms-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.lms-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

.lms-title {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.lms-subtitle {
    color: var(--gray-500);
    font-size: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-image {
    position: relative;
    height: 200px;
    background: var(--gray-200);
    overflow: hidden;
}

.feature-large .feature-image {
    height: 280px;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-overlay {
    position: absolute;
    bottom: 16px;
    left: 16px;
}

.feature-tag {
    background: var(--white);
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-700);
}

.course-tags {
    position: absolute;
    bottom: 16px;
    left: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.course-tags .tag {
    background: var(--secondary-yellow);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-800);
    font-family: var(--font-script);
    font-style: italic;
}

.feature-content {
    padding: 24px;
}

.feature-content h3 {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.feature-content p {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   TESTIMONIALS
   =================================== */
.testimonials {
    padding: var(--section-padding) 0;
    background: var(--lighter-blue);
}

.testimonials-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.testimonials-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.testimonials-title {
    font-size: 2rem;
    margin-bottom: 16px;
}

.testimonials-subtitle {
    color: var(--gray-500);
    font-size: 1rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.quote-icon {
    font-size: 3rem;
    color: var(--primary-blue);
    font-family: var(--font-script);
    line-height: 1;
    margin-bottom: 16px;
}

.testimonial-text {
    color: var(--gray-600);
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gray-300);
    object-fit: cover;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-800);
}

.author-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

@media (max-width: 1024px) {
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   CTA SECTION
   =================================== */
.cta-section {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
}

.cta-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    color: var(--white);
    margin-bottom: 20px;
}

.cta-title .highlight-script {
    color: var(--secondary-gold);
}

.cta-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

@media (max-width: 640px) {
    .cta-title {
        font-size: 1.75rem;
    }
    
    .cta-actions {
        flex-direction: column;
    }
}

/* ===================================
   NEWSLETTER
   =================================== */
.newsletter {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.newsletter-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 0 24px;
}

.newsletter-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.newsletter-description {
    color: var(--gray-500);
    font-size: 0.9375rem;
    margin-bottom: 24px;
    line-height: 1.6;
}

.newsletter-form .form-group {
    display: flex;
    gap: 12px;
}

.newsletter-input {
    flex: 1;
    padding: 12px 16px;
    font-size: 0.875rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    outline: none;
    transition: var(--transition-fast);
}

.newsletter-input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

@media (max-width: 480px) {
    .newsletter-form .form-group {
        flex-direction: column;
    }
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--white);
    border-top: 1px solid var(--gray-100);
    padding: 64px 0 32px;
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo .logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.footer-tagline {
    color: var(--gray-500);
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-legal {
    font-size: 0.75rem;
    color: var(--gray-400);
}

.footer-legal p {
    margin-bottom: 12px;
}

.legal-links {
    display: flex;
    gap: 16px;
}

.legal-links a {
    color: var(--gray-500);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-column ul li a:hover {
    color: var(--primary-blue);
}

.footer-column .mt-4 {
    margin-top: 24px;
}

.footer-bottom {
    display: flex;
    justify-content: flex-end;
    padding-top: 24px;
    border-top: 1px solid var(--gray-100);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--gray-100);
    color: var(--gray-600);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary-blue);
    color: var(--white);
}

@media (max-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   UTILITIES
   =================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.hidden { display: none; }

@media (max-width: 768px) {
    .hidden-mobile { display: none; }
}

@media (min-width: 769px) {
    .hidden-desktop { display: none; }
}