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

:root {
    --primary-color: #7b5e00;
    --secondary-color: #6b7280;
    --accent-color: #ffc107;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --gradient-1: linear-gradient(135deg, #b98935 50%, #777776 85%);
    --gradient-2: linear-gradient(135deg, #ffd166 0%, #6b7280 100%);
    --gradient-3: linear-gradient(135deg, #ffe29a 0%, #9ca3af 100%);
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
}

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

h1,
h2,
h3 {
    font-family: "Playfair Display", serif;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo a {
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img {
    background-image: url("images/hero.png");

    /* background-size: cover */
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: contain;
    position: relative;
    left: 100;
    width: 100%;
    height: calc(100% - 120px);
    display: inline-table;
    align-items: center;
    justify-content: center;
    z-index: 0;
    font-family: 'Playfair Display', serif;
    vertical-align: top;
    text-align: center;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--text-light) /*var(--gradient-2)*/;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

/* Books Section */
.books-section {
    background: var(--bg-light);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.book-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.book-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.book-cover {
    width: 100%;
    height: 400px;
    background: var(--gradient-3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    position: relative;
    overflow: hidden;
}

.book-cover::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.1) 25%,
      transparent 25%
    ),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.1) 25%, transparent 25%);
    background-size: 20px 20px;
}

.book-info {
    padding: 1.5rem;
}

.book-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.book-author {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.book-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.book-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

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

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

.barcode-container {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
    text-align: center;
    display: none;
}

.barcode-container.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.barcode {
    font-family: "Courier New", monospace;
    font-size: 1.2rem;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.barcode-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Resources Section */
.resources-section {
    background: white;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.resource-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.resource-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
}

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

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

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

.resource-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Resources Revamp */
.resource-hero {
    background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.12),
    rgba(118, 75, 162, 0.12)
  );
    padding: 100px 0;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.8rem;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    align-items: center;
}

.hero-copy h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.hero-copy p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-secondary.ghost {
    border-color: rgba(44, 62, 80, 0.25);
    background: white;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.hero-metrics div {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.hero-metrics span {
    display: block;
    font-size: 2.5rem;
    font-family: "Playfair Display", serif;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.hero-panel {
    display: flex;
    justify-content: flex-end;
}

.panel-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(44, 62, 80, 0.05);
}

.panel-card .panel-label {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--secondary-color);
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.panel-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.panel-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.panel-card li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-light);
}

.panel-card li::before {
    content: "";
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--secondary-color);
    left: 0;
    top: 0.65rem;
}

.canvas-showcase {
    background: white;
    padding: 100px 0;
}

.section-heading {
    text-align: left;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-heading h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

.section-heading p {
    color: var(--text-light);
}

.canvas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.canvas-card {
    background: var(--bg-light);
    border-radius: 18px;
    padding: 2rem;
    border: 1px solid rgba(44, 62, 80, 0.05);
    transition: all 0.3s ease;
}

.canvas-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    background: white;
}

.card-top {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

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

.canvas-card h3 {
    margin: 0;
    font-size: 1.4rem;
}

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

.canvas-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--primary-color);
    font-weight: 600;
}

.visual-diagram {
    background: linear-gradient(135deg, #eff2ff 0%, #ffffff 100%);
    padding: 100px 0;
}

.diagram-trio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    align-items: center;
}

.diagram-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.diagram-column h2 {
    font-size: 1.4rem;
    line-height: 1.4;
    color: var(--primary-color);
}

.diagram-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.diagram-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    font-weight: 500;
}

.diagram-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--secondary-color);
}

.diagram-image {
    background: white;
    padding: 1.5rem;
    border-radius: 24px;
    box-shadow: 0 25px 60px rgba(17, 24, 38, 0.15);
}

.diagram-image img {
    width: 100%;
    display: block;
    border-radius: 18px;
}

@media (max-width: 768px) {
    .diagram-trio {
        gap: 1.8rem;
    }

    .diagram-column h2 {
        font-size: 1.2rem;
    }
}

.reading-list {
    background: white;
    padding: 100px 0;
}

.reading-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.reading-card {
    display: flex;
    gap: 1.2rem;
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 16px;
    border: 1px solid rgba(44, 62, 80, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.reading-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: white;
}

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

.reading-card h3 {
    margin-bottom: 0.3rem;
}

.reading-card .author {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.6rem;
}

.reading-card p {
    color: var(--text-light);
    margin: 0;
}

.momentum-lab {
    background: linear-gradient(135deg, #2c3e50, #111826);
    color: white;
    padding: 100px 0;
}

.momentum-lab .section-heading {
    text-align: center;
}

.momentum-lab .section-heading p {
    color: rgba(255, 255, 255, 0.8);
}

.momentum-lab .section-heading h2 {
    color: white;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.lab-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    padding: 2rem;
    backdrop-filter: blur(6px);
    transition: transform 0.3s ease, background 0.3s ease;
}

.lab-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.12);
}

.lab-step {
    display: inline-block;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #f093fb;
}

.lab-card h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.lab-card p {
    color: rgba(255, 255, 255, 0.85);
}

.visual-text .btn {
    margin-top: 0.5rem;
}

@media (max-width: 768px) {
    .hero {
        min-height: 60vh;
        margin-bottom: -90px;
    }

    .hero-metrics {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .panel-card {
        padding: 2rem;
    }

    .canvas-grid,
    .reading-grid,
    .lab-grid {
        grid-template-columns: 1fr;
    }
}

/* Services Section */
.services-section {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

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

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

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

.service-features {
    list-style: none;
    padding-left: 0;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* Contact Section */
.contact-section {
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

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

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

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.contact-card p {
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.social-link {
    padding: 8px 16px;
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.contact-form {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: "Inter", sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(107, 114, 128, 0.15);
}

.submit-button {
    width: 100%;
    padding: 15px;
    background: var(--gradient-2);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: #000000da;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

    .resources-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

/* Page Header */
.page-header {
    background: var(--gradient-1);
    padding: 120px 0 80px;
    text-align: left;
    color: white;
    padding-right: 50px;
    padding-bottom: 100px;
}

.header-image {
    float: right;
    margin-top: 0px;
}

.page-title {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    -webkit-text-stroke: .1px black;
}

.page-subtitle {
    font-size: 1.5rem;
    opacity: 0.95;
}

/* Details Hero */
.details-hero {
    background: linear-gradient(
    135deg,
    rgba(102, 126, 234, 0.12),
    rgba(118, 75, 162, 0.12)
  );
    padding: 100px 0;
}

.details-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    align-items: center;
}

.hero-text h2 {
    vertical-align: top;
    font-size: 1.8rem;
    line-height: 1.6;
    margin: 1rem;
    color: var(--primary-color);
}

.hero-text h2 span {
    display: block;
    font-size: 1rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.hero-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.hero-tags span {
    padding: 0.5rem 1.2rem;
    border-radius: 999px;
    border: 1px solid rgba(44, 62, 80, 0.15);
    background: white;
    font-size: 0.9rem;
    font-weight: 600;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-visual img {
    width: 100%;
    max-width: 420px;
    border-radius: 24px;
    box-shadow: 0 30px 70px rgba(17, 24, 38, 0.25);
    border: 6px solid white;
}

.hero-orbit {
    position: absolute;
    inset: -30px;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.4);
    animation: rotateOrbit 15s linear infinite;
    pointer-events: none;
}

.orbit-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
}

.orbit-dot:nth-child(1) {
    top: 10%;
    left: 50%;
}

.orbit-dot:nth-child(2) {
    bottom: 15%;
    right: 20%;
}

.orbit-dot:nth-child(3) {
    top: 45%;
    left: 5%;
}

@keyframes rotateOrbit {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.toc-section {
    background: linear-gradient(135deg, #808080, #8c8c8c, #cacaca);
    padding: 110px 0;
    color: white;
}

.toc-section .section-heading {
    text-align: center;
}

.toc-section .section-heading h2,
.toc-section .section-heading p {
    color: rgba(255, 255, 255, 0.9);
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.toc-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 22px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    backdrop-filter: blur(10px);
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toc-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}

.part-label {
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #f59e07/*rgba(240, 200, 255, 0.9)*/;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.toc-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.chapter-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.chapter-list li {
    padding-left: 1.5rem;
    position: relative;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

.chapter-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #f59e07/*rgba(240, 200, 255, 0.95)*/;
    box-shadow: 0 0 8px /*rgba(240, 200, 255, 0.6)*/;
}

@media (max-width: 900px) {
    .toc-grid {
        grid-template-columns: 1fr;
    }
}

.excerpt-highlight {
    background: linear-gradient(120deg, #0f2027, #203a43, #2c5364);
    padding: 90px 0;
    color: white;
}

.excerpt-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.excerpt-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
    transition: transform 0.3s ease, background 0.3s ease;
}

.excerpt-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.excerpt-card h3 {
    color: white;
    margin-bottom: 0.8rem;
}

.excerpt-card p {
    color: rgba(255, 255, 255, 0.85);
}

.excerpt-card .eyebrow {
    color: rgba(255, 255, 255, 0.8);
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image {
    text-align: center;
}

.author-placeholder {
    width: 300px;
    height: 300px;
    background: var(--gradient-3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.author-placeholder-large {
    width: 400px;
    height: 400px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.author-photo {
    width: 100%;
    max-width: 400px;
    height: 400px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    border: 5px solid white;
    margin: 0 auto;
    display: block;
}

/* Featured Section */
.featured-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.featured-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.featured-cover {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

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

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

/* Quick Links Section */
.quick-links-section {
    padding: 80px 0;
    background: white;
}

.quick-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.quick-link-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: block;
}

.quick-link-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: white;
}

.quick-link-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

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

.quick-link-card p {
    color: var(--text-light);
}

.strategy-outcomes-section {
    background: linear-gradient(135deg, #808080, #8c8c8c, #cacaca/*#0f172a, #1e2036, #2b2c4a*/);
    color: white;
    padding: 110px 0;
}

.strategy-outcomes-section .section-heading {
    text-align: center;
    margin-bottom: 3rem;
}

.strategy-outcomes-section .section-heading p {
    color: rgba(255, 255, 255, 0.8);
}

.strategy-outcomes-section .section-heading h2 {
    color: white;
}

.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.outcome-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.outcome-icon {
    font-size: 2.5rem;
}

.outcome-card h3 {
    color: white;
    margin-bottom: 0.2rem;
}

.outcome-card p {
    color: rgba(255, 255, 255, 0.85);
    flex-grow: 1;
}

.outcome-link {
    color: #f59e07/*rgba(240, 200, 255, 0.95)*/;
    text-decoration: none;
    font-weight: 600;
}

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

.experience-section {
    background: white;
    padding: 100px 0;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    align-items: center;
}

.experience-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.experience-text p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.experience-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.experience-cards {
    display: grid;
    gap: 1rem;
}

.experience-card {
    background: var(--bg-light);
    border-radius: 18px;
    padding: 1.8rem;
    border: 1px solid rgba(44, 62, 80, 0.08);
    box-shadow: var(--shadow-sm);
}

.experience-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.experience-card p {
    color: var(--text-light);
    margin: 0;
    line-height: 1.7;
}

/* Author Bio Section */
.author-bio-section {
    padding: 80px 0;
    background: white;
}

.author-bio-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: start;
}

.author-bio-text h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.author-bio-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

.author-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--bg-light);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: "Playfair Display", serif;
}

.stat-label {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Credentials Section */
.credentials-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.credentials-content {
    margin-top: 3rem;
}

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

.credential-category {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.credential-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.credential-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

.credential-list {
    list-style: none;
    padding: 0;
}

.credential-list li {
    padding: 0.8rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

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

/* Expertise Section */
.expertise-section {
    padding: 80px 0;
    background: white;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.expertise-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.expertise-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-md);
    background: white;
}

.expertise-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.expertise-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.expertise-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Form Updates */
.form-intro {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.form-group select {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-family: "Inter", sans-serif;
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
}

.form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Engagement Section */
.engagement-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.engagement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.engagement-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

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

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

.engagement-card p {
    color: var(--text-light);
}

/* Contact Link */
.contact-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

/* Newsletter Form */
.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.newsletter-form input {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: "Inter", sans-serif;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Additional Resources Section */
.additional-resources-section {
    padding: 80px 0;
    background: white;
}

.additional-resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.additional-resource-item {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
}

.additional-resource-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.additional-resource-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.additional-resource-item p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Service Footer */
.service-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 2px solid var(--bg-light);
}

.service-duration {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.testimonial-author strong {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-2);
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Responsive Updates */
@media (max-width: 768px) {
    .page-title {
        font-size: 2.5rem;
    }

    .page-subtitle {
        font-size: 1.2rem;
    }

    .about-content,
    .author-bio-content {
        grid-template-columns: 1fr;
    }

    .author-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .service-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

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

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

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

    .author-photo {
        max-width: 300px;
        height: 300px;
    }
}

/* Book Feature Section */
.book-feature-section {
    padding: 100px 0;
    background: white;
}

.book-feature-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.book-image-container {
    position: sticky;
    top: 100px;
    text-align: center;
}

.book-cover-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s ease;
}

.book-cover-image:hover {
    transform: scale(1.05);
}

.book-placeholder {
    width: 100%;
    max-width: 400px;
    height: 500px;
    background: var(--gradient-3);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    color: white;
}

.book-title-main {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 700;
}

.book-subtitle {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-weight: 500;
}

.book-description-text {
    margin-bottom: 2rem;
}

.book-description-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.8;
}

.book-description-text strong {
    color: var(--primary-color);
    font-weight: 600;
}

.book-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--bg-light);
}

.highlight-item {
    display: flex;
    gap: 1.5rem;
    align-items: start;
}

.highlight-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.highlight-text h4 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
    color: var(--primary-color);
}

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

/* Praise Section */
.praise-section {
    padding: 50px 0;
    background: var(--bg-light);
}

/* Pre-Order Section */
.preorder-section {
    padding: 50px 0;
    background: var(--bg-light);
}

.preorder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.preorder-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-align: center;
}

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

.preorder-platform h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.preorder-link {
    display: inline-block;
    padding: 10px 20px;
    background: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 1.5rem;
}

.preorder-link:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.barcode-wrapper {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.platform-barcode {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin: 0 auto;
    display: block;
}

.barcode-placeholder {
    text-align: center;
}

.barcode-pattern {
    font-family: "Courier New", monospace;
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: var(--primary-color);
    margin: 1rem 0;
    padding: 1rem;
    background: white;
    border-radius: 5px;
}

.barcode-label {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Insights Section */
.insights-section {
    padding: 100px 0;
    background: white;
}

.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.insight-card {
    background: var(--bg-light);
    padding: 2.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.insight-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-2);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.insight-card:hover::before {
    transform: scaleY(1);
}

.insight-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: white;
}

.insight-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--secondary-color);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 1rem;
    font-family: "Playfair Display", serif;
}

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

.insight-card p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Why Book Section */
.why-book-section {
    padding: 100px 0;
    background: var(--gradient-1);
    color: white;
}

.why-book-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.why-book-text .section-title {
    color: white;
    text-align: left;
}

.why-book-text .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.why-book-intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.why-book-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2rem;
}

.why-point {
    display: flex;
    gap: 1.5rem;
    align-items: start;
}

.why-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.why-text h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: white;
}

.why-text p {
    opacity: 0.9;
    line-height: 1.7;
}

.why-book-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.stat-box {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(10px);
}

.stat-box.highlight {
    background: rgba(255, 255, 255, 0.25);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.stat-large {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: "Playfair Display", serif;
}

.stat-description {
    font-size: 1rem;
    opacity: 0.95;
}

/* Responsive Updates for New Sections */
@media (max-width: 968px) {
    .book-feature-content,
    .why-book-content {
        grid-template-columns: 1fr;
    }

    .book-image-container {
        position: static;
    }

    .book-title-main {
        font-size: 2.5rem;
    }
}

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

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

    .stat-large {
        font-size: 3rem;
    }

    .why-book-text .section-title {
        text-align: center;
    }
}

/* Modern Author Page Styles */
.author-profile-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.profile-content {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 5rem;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

.profile-image-wrapper {
    position: sticky;
    top: 120px;
}

.profile-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    background: white;
    transition: transform 0.3s ease;
}

.profile-image-container:hover {
    transform: translateY(-5px);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 700;
    color: white;
    font-family: "Playfair Display", serif;
}

.profile-details {
    padding-top: 1rem;
}

.profile-name {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
}

.profile-intro {
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.profile-details p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.profile-details strong {
    color: var(--primary-color);
    font-weight: 600;
}

.achievement-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 2px solid #e8e9ea;
}

.achievement-stat {
    text-align: left;
}

.achievement-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
    font-family: "Playfair Display", serif;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.achievement-label {
    color: var(--text-light);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Credentials & Expertise Section */
.credentials-expertise-section {
    padding: 100px 0;
    background: white;
}

.credentials-expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.credential-expertise-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}

.credential-expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.12);
}

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: white;
}

.card-content {
    padding: 2.5rem;
}

.credential-group {
    margin-bottom: 2.5rem;
}

.credential-group:last-child {
    margin-bottom: 0;
}

.credential-group h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.credential-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.credential-group li {
    padding: 0.75rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
    font-size: 1rem;
}

.credential-group li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 600;
}

.expertise-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.expertise-item {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #f0f0f0;
}

.expertise-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.expertise-badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.expertise-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin: 0;
}

/* Contact & Engage Section */
.contact-engage-section {
    padding: 100px 0;
    background: linear-gradient(#808080, #8C8C8C, #CACACA)/*var(--gradient-1)*/;
}

.contact-engage-content {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    max-width: 1000px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(2, minmax(280px, 360px));
    gap: 1.5rem;
    justify-content: center;
    justify-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.contact-method-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    width: 100%;
    max-width: 360px;
}

.contact-method-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--secondary-color);
}

.method-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    line-height: 1;
}

.contact-method-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.contact-method-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.method-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.method-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    word-break: break-word;
}

.method-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.contact-engage-form {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
}

.contact-engage-form h3 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
    font-weight: 600;
}

.contact-engage-form .form-intro {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.contact-engage-form .form-group input,
.contact-engage-form .form-group textarea,
.contact-engage-form .form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8e9ea;
    border-radius: 12px;
    font-family: "Inter", sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fafafa;
}

.contact-engage-form .form-group input:focus,
.contact-engage-form .form-group textarea:focus,
.contact-engage-form .form-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: white;
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.08);
}

.contact-engage-form .submit-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.contact-engage-form .submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* Responsive Design for Author Page */
@media (max-width: 968px) {
    .profile-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .profile-image-wrapper {
        position: static;
        max-width: 300px;
        margin: 0 auto;
    }

    .credentials-expertise-grid {
        grid-template-columns: 1fr;
    }

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

    .contact-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .author-profile-section,
    .credentials-expertise-section,
    .contact-engage-section {
        padding: 60px 0;
    }

    .profile-name {
        font-size: 2.2rem;
    }

    .achievement-stats {
        flex-direction: column;
        gap: 2rem;
    }

    .contact-engage-form {
        padding: 2rem;
    }
}

/* Services Page Styles */
.consulting-services-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.consulting-intro {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    margin-bottom: 5rem;
    align-items: start;
}

.consulting-image-wrapper {
    position: sticky;
    top: 120px;
}

.consulting-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 5px solid white;
}

.consulting-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    font-weight: 700;
    color: white;
    font-family: "Playfair Display", serif;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.consulting-intro-content {
    padding-top: 1rem;
}

.section-title-left {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
}

.consulting-description {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.consulting-company {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e8e9ea;
}

.consulting-company strong {
    color: var(--primary-color);
    font-weight: 600;
}

.company-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.company-link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.consulting-services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.consulting-service-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
}

.consulting-service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.12);
}

.service-card-header {
    background: var(--gradient-1);
    padding: 2rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.service-card-icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.service-card-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: white;
}

.service-card-body {
    padding: 2.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.service-card-body > p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.service-capabilities {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: auto;
}

.service-capabilities li {
    padding: 0.75rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 2rem;
    line-height: 1.6;
    font-size: 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.service-capabilities li:last-child {
    border-bottom: none;
}

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

/* Partnership Section */
.partnership-section {
    padding: 100px 0;
    background: linear-gradient(#808080, #8C8C8C, #CACACA) /*var(--gradient-1)*/;
    color: white;
}

.partnership-section .section-title {
    color: white;
}

.partnership-section .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.partnership-section .section-subtitle {
    color: rgba(255, 255, 255, 0.95);
    font-size: 1.2rem;
}

.partnership-content {
    margin-top: 4rem;
}

.partnership-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 3.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}

.partnership-logo {
    text-align: center;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.partnership-icon img {
    width: 400px;
    background: #ffffff03;
    padding: 5px;
    border-radius: 5px;
    margin-bottom: .5rem;
}

.partnership-logo h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: white;
}

.partnership-link {
    color: white;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.95;
    transition: opacity 0.3s ease;
    display: inline-block;
}

.partnership-link:hover {
    opacity: 1;
    text-decoration: underline;
}

.partnership-description {
    text-align: center;
    margin-bottom: 3rem;
}

.partnership-description p {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
    max-width: 800px;
    margin: 0 auto;
}

.partnership-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.partnership-service-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: start;
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

.partnership-service-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.partnership-service-icon {
    font-size: 2.5rem;
    line-height: 1;
    flex-shrink: 0;
}

.partnership-service-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: white;
}

.partnership-service-content p {
    font-size: 1rem;
    line-height: 1.7;
    opacity: 0.9;
    margin: 0;
}

.partnership-cta {
    text-align: center;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
}

.partnership-cta p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.partnership-cta .cta-button {
    display: inline-block;
    padding: 16px 40px;
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.partnership-cta .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* Responsive Design for Services Page */
@media (max-width: 968px) {
    .consulting-intro {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .consulting-image-wrapper {
        position: static;
        max-width: 300px;
        margin: 0 auto;
    }

    .consulting-services-grid {
        grid-template-columns: 1fr;
    }

    .partnership-services {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .consulting-services-section,
    .partnership-section {
        padding: 60px 0;
    }

    .section-title-left {
        font-size: 2.2rem;
    }

    .service-card-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .partnership-card {
        padding: 2rem;
    }

    .partnership-logo h3 {
        font-size: 2rem;
    }
}

body.loaded #preloader {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

body.menu-open {
    overflow: hidden;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        inset: 0;
        top: 0;
        left: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 1.2rem;
        background: linear-gradient(rgba(17, 24, 38, 0.55), rgba(17, 24, 38, 0.55)),
      radial-gradient(
        1200px circle at 15% 50%,
        rgba(255, 255, 255, 0.12),
        rgba(255, 255, 255, 0)
      ),
      var(--gradient-1);
        backdrop-filter: blur(8px);
        transform: translateX(-100%);
        transition: transform 0.4s ease;
        padding: 5rem 2rem 2rem;
        z-index: 2000;
        height: 100vh;
        overscroll-behavior: contain;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-menu .nav-link {
        color: white;
        font-size: 1.3rem;
    }

    .nav-menu .nav-link::after {
        background: rgba(255, 255, 255, 0.85);
    }

    .nav-menu {
        box-shadow: var(--shadow-lg);
    }

    .nav-menu li {
        width: 100%;
        max-width: 540px;
    }

    .nav-menu .nav-link {
        display: block;
        width: 100%;
        padding: 14px 18px;
        border-radius: 14px;
        background: rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(6px);
        font-weight: 600;
        letter-spacing: 0.02em;
    }

    .nav-menu .nav-link::after {
        display: none;
    }

    .nav-menu .nav-link:hover {
        transform: translateX(6px);
        background: rgba(255, 255, 255, 0.18);
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    }

    .nav-menu.active .nav-link {
        opacity: 0;
        transform: translateX(-12px);
        animation: menuItemIn 0.35s ease forwards;
    }

    .nav-menu.active li:nth-child(1) .nav-link {
        animation-delay: 0.05s;
    }

    .nav-menu.active li:nth-child(2) .nav-link {
        animation-delay: 0.1s;
    }

    .nav-menu.active li:nth-child(3) .nav-link {
        animation-delay: 0.15s;
    }

    .nav-menu.active li:nth-child(4) .nav-link {
        animation-delay: 0.2s;
    }

    .nav-menu.active li:nth-child(5) .nav-link {
        animation-delay: 0.25s;
    }

    .hamburger.active {
        position: fixed;
        right: 16px;
        top: 16px;
        z-index: 3001;
    }
}

@keyframes menuItemIn {
    from {
        opacity: 0;
        transform: translateX(-12px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hamburger.active span {
    background: white;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.preloader-inner {
    background: transparent;
    color: white;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.preloader-logo {
    color: white;
}

.preloader-sub {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

.preloader-inner {
    background: transparent;
    color: white;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.preloader-logo {
    color: white;
    font-family: "Playfair Display", serif;
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.preloader-sub {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

.preloader-badge {
    width: 120px;
    height: 120px;
    position: relative;
    margin: 0 auto;
}

.badge-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: conic-gradient(
    from 0deg,
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0) 35%,
    rgba(255, 255, 255, 0.15) 65%,
    rgba(255, 255, 255, 0) 100%
  );
    -webkit-mask: radial-gradient(
    farthest-side,
    transparent calc(50% - 8px),
    #000 calc(50% - 8px)
  );
    mask: radial-gradient(
    farthest-side,
    transparent calc(50% - 8px),
    #000 calc(50% - 8px)
  );
    animation: preloaderSpin 1.2s linear infinite;
}

.badge-core {
    position: absolute;
    inset: 12px;
    border-radius: 50%;
    background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.22),
    rgba(255, 255, 255, 0.06)
  );
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25),
    0 10px 30px rgba(17, 24, 38, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.badge-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.35);
}

@keyframes preloaderSpin {
    to {
        transform: rotate(360deg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .badge-ring {
        animation: none;
    }

    #preloader {
        transition: none;
    }
}

.preloader-text {
    color: var(--text-light);
}

@media (prefers-reduced-motion: reduce) {
    .preloader-inner {
        animation: none;
    }

    .preloader-spinner::before {
        animation: none;
    }

    #preloader {
        transition: none;
    }
}

#preloader {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(
      1200px circle at 30% 20%,
      rgba(255, 255, 255, 0.12),
      rgba(255, 255, 255, 0)
    ),
    var(--gradient-1);
    backdrop-filter: blur(8px);
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader-inner {
    text-align: center;
    color: white;
    background: transparent;
    border-radius: 0;
    padding: 0;
    box-shadow: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.preloader-logo {
    font-family: "Playfair Display", serif;
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
    color: white;
}

.preloader-sub {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

.preloader-text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
}

@media (prefers-reduced-motion: reduce) {
    .book-cover,
    .book-page {
        animation: none;
    }

    #preloader {
        transition: none;
    }
}

body.loaded #preloader {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.hero-inner {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    gap: 2.5rem;
}

.hero-image {
    width: 100%;
    max-width: 420px;
    filter: drop-shadow(0 12px 30px rgba(0, 0, 0, 0.25));
    animation: float 12s ease-in-out infinite;
}

@media (max-width: 768px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image img {
        max-width: 300px;
        margin: 0 auto;
    }
}

.contact-engage-section .section-title {
    color: white;
}

.contact-engage-section .section-title::after {
    background: rgba(255, 255, 255, 0.5);
}

.contact-engage-section .section-subtitle {
    color: rgba(255, 255, 255, 0.95);
    max-width: 800px;
    margin: 0 auto;
}

.resources-columns {
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    padding: 90px 0;
}

.resource-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4rem;
    align-items: start;
}

.resource-column h2 {
    font-size: 2.2rem;
    margin-bottom: 1.2rem;
    color: var(--primary-color);
    font-family: "Playfair Display", serif;
    font-weight: 700;
    letter-spacing: 0.02em;
    position: relative;
}

.thumb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
}

.thumb-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(44, 62, 80, 0.08);
    border-radius: 16px;
    padding: 1rem 1.1rem;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 10px 30px rgba(17, 24, 38, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease,
    border-color 0.25s ease;
    backdrop-filter: blur(8px);
}

.thumb-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(17, 24, 38, 0.14);
    background: white;
    border-color: rgba(44, 62, 80, 0.12);
}

.thumb-card:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.25);
}

.thumb-image {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(17, 24, 38, 0.12);
}

.thumb-label {
    font-weight: 600;
    color: #2d2d2d;
    line-height: 1.4;
    font-size: 1rem;
    text-decoration: underline;
}

.diagram-gallery {
    padding: 30px 0;
    background: linear-gradient(#808080, #8C8C8C, #CACACA);
}

.diagram-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2.4rem;
}

.diagram-item {
    background: transparent;
    padding: 0;
    box-shadow: none;
    border: none;
}

.diagram-item:hover {
    transform: none;
}

.diagram-item img {
    width: 90%;
    display: block;
    border-radius: 18px;
    box-shadow: none;
    margin: 0 auto;
}

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

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