@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-LightItalic.ttf') format('truetype');
    font-weight: 300;
    font-style: italic;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-BoldItalic.ttf') format('truetype');
    font-weight: 700;
    font-style: italic;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-Black.ttf') format('truetype');
    font-weight: 900;
    font-style: normal;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-BlackItalic.ttf') format('truetype');
    font-weight: 900;
    font-style: italic;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-Hairline.ttf') format('truetype');
    font-weight: 100;
    font-style: normal;
}

@font-face {
    font-family: 'Lato';
    src: url('fonts/Lato-HairlineItalic.ttf') format('truetype');
    font-weight: 100;
    font-style: italic;
}

:root {
    --primary: #233e7e;
    --primary-light: #3a5aa8;
    --primary-dark: #1a2e5f;
    --accent: #ffec00;
    --accent-dark: #fff127;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #6c757d;
    --white: #ffffff;
    --text: #212529;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--white);
    overflow-x: hidden;
    font-weight: 400;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    padding: 5px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-brand h1 {
    color: var(--primary);
    font-size: 1.8rem;
    font-weight: 900;
    margin-left: 10px;
}

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

.nav-menu li {
    margin-left: 2rem;
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: var(--transition);
    padding: 5px 0;
}

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

.nav-menu a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: width 0.3s;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Backgrounds */
.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(35, 62, 126, 0.05) 0%, rgba(255, 236, 0, 0.05) 100%);
    z-index: -1;
}

.section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.target-audience .section-bg {
    background-color: var(--accent);
}

.pillars-bg {
    background-color: var(--primary);
}

.book-bg {
    background: linear-gradient(to bottom, rgba(233, 236, 239, 0.4) 0%, rgba(248, 249, 250, 0.8) 100%);
}

.author-bg {
    background: linear-gradient(45deg, rgba(35, 62, 126, 0.03) 0%, rgba(255, 236, 0, 0.03) 100%);
}

.employers-bg {
    background: linear-gradient(to bottom, rgba(233, 236, 239, 0.4) 0%, rgba(248, 249, 250, 0.8) 100%);
}

.media-bg {
    background-color: var(--primary);
}

.contact-bg {
    background: linear-gradient(to bottom, rgba(233, 236, 239, 0.4) 0%, rgba(248, 249, 250, 0.8) 100%);
}

.order-bg {
    background: linear-gradient(to bottom, rgba(233, 236, 239, 0.4) 0%, rgba(248, 249, 250, 0.8) 100%);
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-text .subtitle {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-text .description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--text);
    max-width: 600px;
    font-weight: 400;
}

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.book-image-container {
    position: relative;
    display: inline-block;
}

.book-cover {
    width: 320px;
    height: 450px;
    border-radius: 16px;
    box-shadow: var(--shadow-hover);
    transition: var(--transition);
    object-fit: cover;
    border: 3px solid transparent;
}

.book-cover.large {
    width: 380px;
    height: 530px;
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(35, 62, 126, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    opacity: 0;
    transition: var(--transition);
}

.book-image-container:hover .book-overlay {
    opacity: 1;
}

.book-image-container:hover .book-cover {
    border-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover:before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    color: var(--primary);
}

.btn-accent:hover {
    transform: translateY(-3px);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

/* Sections */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

h2 {
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--dark-gray);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 400;
}

.section-cta {
    text-align: center;
    margin-top: 40px;
}

/* Nieuwe klassen voor de hero sectie */
.gift-section {
    margin-bottom: 30px;
}

.gift-section h2 {
    color: var(--primary);
    font-size: 2rem;
    margin-bottom: 1rem;
    text-align: left;
}

.gift-list, .employer-list {
    list-style: none;
    margin: 15px 0;
}

.gift-list li, .employer-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
    font-weight: 400;
    text-align: left;
}

.gift-list li:before, .employer-list li:before {
    content: "✓";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

.employer-section {
    background: rgba(35, 62, 126, 0.05);
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
    margin-bottom: 20px;
}

.home-order-btn {
    margin-top: 20px;
    display: block;
}

/* Target Audience */
.target-audience h2,
.target-audience .section-subtitle {
    color: var(--primary);
}

.audience-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.audience-card {
    background: linear-gradient(to bottom, var(--primary) 0%, var(--primary-light) 100%);
    padding: 40px 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(233, 236, 239, 0.5);
    color: var(--white);
}

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

.audience-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.audience-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.audience-card p,
.audience-card li {
    color: var(--white);
    font-weight: 400;
}

.audience-card ul {
    list-style: none;
    margin-top: 1.5rem;
    text-align: left;
}

.audience-card li {
    padding: 8px 0;
    position: relative;
    padding-left: 30px;
    font-weight: 400;
}

.audience-card li:before {
    content: "✓";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Pillars */
.pillars h2,
.pillars .section-subtitle {
    color: var(--white);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.pillar-card {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(233, 236, 239, 0.5);
    color: var(--primary);
    box-shadow: var(--shadow);
}

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

.pillar-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.pillar-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.pillar-card p {
    color: var(--primary);
    font-weight: 400;
}

/* Verbeterd Tab Systeem */
.tab-container {
    margin: 2rem 0;
}

.tab-buttons {
    display: flex;
    gap: 10px;
    margin-bottom: 0;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 20px;
    background: var(--light-gray);
    border: 1px solid var(--medium-gray);
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    white-space: normal;
    margin-bottom: -1px;
}

.tab-btn.active {
    background: var(--white);
    border-bottom: 1px solid var(--white);
    color: var(--primary);
}

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

.tab-content-container {
    background: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 0 12px 12px 12px;
    box-shadow: var(--shadow);
}

.tab-content {
    display: none;
    padding: 30px;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Praktische tips specifieke styling */
.practical-tips .tab-buttons {
    justify-content: center;
}

/* Book Section */
.book-section {
    padding: 80px 0;
}

.book-content {
    display: flex;
    align-items: flex-start;
    gap: 60px;
}

.book-image {
    flex: 1;
    display: flex;
    justify-content: center;
    position: sticky;
    top: 120px;
}

.book-details {
    flex: 1;
}

.book-details h2 {
    text-align: left;
    margin-bottom: 0.5rem;
}

.book-details .subtitle {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    font-weight: 400;
    text-align: left;
}

.book-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 3rem;
}

.feature {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature i {
    font-size: 1.5rem;
    color: var(--primary);
    width: 30px;
}

.feature-content {
    display: flex;
    flex-direction: column;
}

.feature-label {
    font-weight: 700;
    color: var(--primary);
}

.feature-desc {
    color: var(--dark-gray);
    font-size: 0.95rem;
    font-weight: 400;
}

.book-cta {
    margin: 2rem 0;
}

.table-of-contents {
    background: linear-gradient(to bottom, var(--white) 0%, #f5f7fa 100%);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(233, 236, 239, 0.5);
}

.table-of-contents h3 {
    margin-bottom: 1.5rem;
    color: var(--primary);
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
    font-weight: 700;
}

.toc-sections {
    display: grid;
    gap: 25px;
}

.toc-section h4 {
    color: var(--primary);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.toc-section h4 i {
    color: var(--accent);
}

.toc-section ul {
    list-style: none;
    padding-left: 0;
}

.toc-section li {
    padding: 8px 0;
    position: relative;
    padding-left: 25px;
    border-bottom: 1px solid var(--medium-gray);
    font-weight: 400;
}

.toc-section li:last-child {
    border-bottom: none;
}

.toc-section li:before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

/* About Author */
.author-content {
    display: flex;
    gap: 60px;
}

.author-image {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 120px;
    align-self: flex-start;
}

.author-photo {
    width: 100%;
    height: auto;
    border-radius: 16px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    object-fit: cover;
}

.author-details {
    flex: 2;
}

.author-details h2 {
    text-align: left;
}

.author-details h3 {
    color: var(--primary);
    margin: 2.5rem 0 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.author-details h3 i {
    color: var(--accent);
}

.author-details p {
    font-weight: 400;
}

.professional-info h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.professional-info ul {
    list-style: none;
    margin-left: 0;
    padding-left: 0;
}

.professional-info li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
}

.professional-info li:before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Werkgevers Sectie */
.for-employers .author-content {
    display: flex;
    gap: 60px;
    margin-top: 30px;
}

.for-employers .author-image {
    flex: 1;
    position: sticky;
    top: 120px;
    align-self: flex-start;
}

.for-employers .author-photo {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow);
    object-fit: cover;
}

.for-employers .author-details {
    flex: 2;
}

.for-employers .author-details h2 {
    text-align: left;
    margin-bottom: 0.5rem;
}

.for-employers .author-details .subtitle {
    font-size: 1.3rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
    font-weight: 400;
    text-align: left;
}

/* Genummerde items */
.numbered-item {
    display: flex;
    gap: 20px;
    margin-bottom: 2rem;
    align-items: flex-start;
}

.number {
    background: var(--primary);
    color: var(--white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.numbered-item .content {
    flex: 1;
}

.numbered-item .content h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

/* Betere bullet points */
.benefit-points {
    margin: 1.5rem 0;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
    line-height: 1.5;
}

.bullet {
    color: var(--accent);
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1.4;
    flex-shrink: 0;
}

/* Ideeën cards */
.ideas-section {
    margin-top: 3rem;
}

.ideas-section h3 {
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-align: left;
}

.idea-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 2rem;
}

.idea-card {
    background: var(--white);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(233, 236, 239, 0.5);
    height: fit-content;
    text-align: left;
}

.idea-card h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.idea-card h4 i {
    color: var(--accent);
}

.idea-points {
    margin-top: 1rem;
}

.idea-point {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    line-height: 1.4;
    text-align: left;
}

.idea-point span:last-child {
    flex: 1;
}

.employee-quote {
    background: rgba(255, 236, 0, 0.1);
    border-left: 4px solid var(--accent);
    padding: 15px 20px;
    margin: 15px 0;
    font-style: italic;
    border-radius: 0 8px 8px 0;
    text-align: left;
}

.employer-cta {
    margin-top: 2rem;
    text-align: center;
}

/* Custom Scrollbar voor FAQ */
.faq-section::-webkit-scrollbar {
    width: 8px;
}

.faq-section::-webkit-scrollbar-track {
    background: var(--light-gray);
    border-radius: 4px;
}

.faq-section::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

.faq-section::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Bestel Sectie */
.order-content {
    display: block;
}

.order-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 20px;
}

.order-column {
    padding: 30px;
    background: linear-gradient(to bottom, var(--white) 0%, #f5f7fa 100%);
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(233, 236, 239, 0.5);
    text-align: center;
    display: flex;
    flex-direction: column;
}

.order-column-content {
    flex: 1;
}

.order-column h3 {
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.5rem;
    text-align: center;
}

.order-column-subtitle {
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    font-weight: 400;
    text-align: center;
}

.order-features {
    margin-bottom: 2rem;
    text-align: left;
}

.order-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.order-feature i {
    color: var(--accent);
}

.order-feature span {
    font-weight: 400;
}

.price {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--primary);
    margin: 1rem 0;
    text-align: center;
}

.price span {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--dark-gray);
}

.order-delivery {
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: 1.5rem;
    text-align: center;
}

.order-btn {
    width: 200px;
    margin: 0 auto;
    text-align: center;
}

.order-note {
    text-align: center;
    margin-top: 20px;
    font-size: 0.9rem;
    color: var(--dark-gray);
}

/* Media Section */
.media-section h2,
.media-section .section-subtitle {
    color: var(--white);
}

.media-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 10px 20px;
    background: linear-gradient(to bottom, var(--white) 0%, #f5f7fa 100%);
    border: 1px solid rgba(233, 236, 239, 0.5);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.filter-btn.active, .filter-btn:hover {
    background: linear-gradient(to bottom, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-color: var(--primary);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.media-card {
    background: linear-gradient(to bottom, var(--white) 0%, #f5f7fa 100%);
    padding: 30px;
    border-radius: 16px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(233, 236, 239, 0.5);
}

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

.media-label {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.media-label.pers {
    background-color: var(--primary);
    color: var(--white);
}

.media-label.columns {
    background-color: var(--accent);
    color: var(--primary);
}

.media-label.interviews {
    background-color: #28a745;
    color: var(--white);
}

.media-label.research {
    background-color: #6f42c1;
    color: var(--white);
}

.media-date {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

.media-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    margin-top: 10px;
    font-weight: 700;
}

.media-card p {
    margin-bottom: 1.5rem;
    color: var(--dark-gray);
    flex-grow: 1;
    font-weight: 400;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(to bottom, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    width: fit-content;
}

.download-btn:hover {
    background: linear-gradient(to bottom, var(--primary-light) 0%, var(--primary-dark) 100%);
    transform: translateY(-2px);
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-details {
    margin: 2rem 0;
}

.contact-item {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
    width: 30px;
}

.contact-item h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.contact-item p {
    font-weight: 400;
}

.faq-section {
    margin-top: 3rem;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.faq-item {
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--medium-gray);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
    cursor: pointer;
}

.faq-question h4 {
    color: var(--primary);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.3s;
}

.faq-answer {
    padding: 0 0 1.5rem;
    display: none;
}

.faq-answer.active {
    display: block;
}

.faq-answer p {
    font-weight: 400;
    margin-bottom: 1rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.contact-form {
    background: linear-gradient(to bottom, var(--white) 0%, #f5f7fa 100%);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(233, 236, 239, 0.5);
    height: auto;
    min-height: 400px;
}

.contact-form h3 {
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: left;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    font-family: 'Lato', sans-serif;
    transition: var(--transition);
    font-weight: 400;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(35, 62, 126, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(to bottom, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 2rem;
}

.footer-section h3, .footer-section h4 {
    margin-bottom: 1.5rem;
    font-weight: 700;
}

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

.footer-section li {
    margin-bottom: 0.8rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 400;
}

.footer-section a:hover {
    color: var --accent;
}

.footer-section p {
    font-weight: 400;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-weight: 400;
}

.copyright-link {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.copyright-link:hover {
    color: var(--accent);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(to bottom, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: linear-gradient(to bottom, var(--primary-light) 0%, var(--primary-dark) 100%);
    transform: translateY(-3px);
}

/* Popup */
.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.popup-content {
    background-color: var(--white);
    padding: 40px;
    border-radius: 16px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    cursor: pointer;
    color: var(--primary);
}

.popup-content h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.book-item {
    text-align: center;
}

.book-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 10px;
}

.book-item h3 {
    font-weight: 700;
    color: var(--primary);
}

.book-placeholder {
    width: 100%;
    height: 180px;
    background-color: var(--medium-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-bottom: 10px;
    font-weight: bold;
    color: var(--dark-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .idea-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background-color: var(--white);
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-hover);
        z-index: 999;
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .book-content, 
    .author-content, 
    .contact-content, 
    .order-content {
        flex-direction: column;
    }
    
    .book-features {
        grid-template-columns: 1fr;
    }
    
    .order-columns {
        grid-template-columns: 1fr;
    }
    
    .idea-cards {
        grid-template-columns: 1fr;
    }
    
    .for-employers .author-content {
        flex-direction: column;
    }
    
    .for-employers .author-image {
        position: static;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 80px 0;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .hero-text h1 {
        font-size: 2.2rem;
    }
    
    .audience-cards, 
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .media-grid {
        grid-template-columns: 1fr;
    }
    
    .book-cover, 
    .author-photo, 
    .employer-photo {
        width: 100%;
        max-width: 300px;
    }
    
    .tab-buttons {
        flex-direction: column;
    }
    
    .numbered-item {
        flex-direction: column;
        gap: 10px;
    }
    
    .number {
        align-self: flex-start;
    }
    
    .order-btn {
        width: 100%;
    }
}

/* Print Styles */
@media print {
    .header, 
    .footer, 
    .back-to-top {
        display: none;
    }
    
    section {
        padding: 50px 0;
    }
    
    .hero {
        padding: 100px 0 50px;
    }
    
    .book-overlay {
        display: none;
    }
}