/* Base styles */
:root {
    --primary-color: #06AFAC;
    --primary-dark: #059795;
    --text-color: #2D3748;
    --bg-gray: #F7FAFC;
    --white: #fff;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    font-size: 1.125rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #07c5c1 100%);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    position: relative;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 2rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-text p {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.cta-button {
    background-color: var(--white);
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.25rem;
    padding: 1.25rem 2.5rem;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.cta-button:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Book Benefits Section */
.book-benefits {
    padding: 6rem 0;
    background-color: var(--bg-gray);
    position: relative;
}

.benefits-content {
    background: var(--white);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    margin-top: 3rem;
}

.benefits-intro {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.benefits-list {
    list-style: none;
    margin-bottom: 2rem;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.benefits-list li i {
    color: var(--primary-color);
    width: 1.5rem;
    height: 1.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.practical-note {
    background: linear-gradient(135deg, var(--primary-color) 0%, #07c5c1 100%);
    padding: 2rem;
    border-radius: 1rem;
    color: var(--white);
    display: flex;
    align-items: start;
    gap: 1.5rem;
}

.practical-note i {
    width: 2rem;
    height: 2rem;
    color: var(--white);
    flex-shrink: 0;
}

.practical-note p {
    font-size: 1.125rem;
    line-height: 1.7;
}

/* Author Section */
.author-section {
    padding: 6rem 0;
    background-color: var(--bg-gray);
    position: relative;
}

.author-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--primary-color), #07c5c1);
}

.author-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    margin-top: 3rem;
    background: var(--white);
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.author-image {
    width: 35rem;
    height: 35rem;
    border-radius: 5%;
    object-fit: cover;
    border: 6px solid var(--primary-color);
}

.author-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.author-info ul {
    list-style: none;
}

.author-info li {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
}

.author-info li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

/* Book Idea Section */
.book-idea {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-gray) 0%, var(--white) 100%);
    position: relative;
}

.idea-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    margin-top: 3rem;
}

.idea-text {
    flex: 1;
    font-size: 1.25rem;
    color: var(--text-color);
}

.idea-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.idea-text p:last-child {
    margin-bottom: 0;
}

.idea-image {
    flex: 1;
    position: relative;
}

.idea-image::before {
    content: '';
    position: absolute;
    top: -1rem;
    right: -1rem;
    bottom: -1rem;
    left: -1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, #07c5c1 100%);
    border-radius: 1rem;
    z-index: 0;
    opacity: 0.1;
}

.idea-image img {
    width: 100%;
    border-radius: 1rem;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.idea-image img:hover {
    transform: translateY(-5px);
}

/* Book Content Section */
.book-content {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--white) 0%, var(--bg-gray) 100%);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.content-item {
    /*display: flex;
    align-items: start;
    gap: 1.5rem;*/
    text-align: center;
    padding: 2rem;
    background-color: var(--white);
    border-radius: 1rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(6, 175, 172, 0.1);
}

.content-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.content-item i {
    color: var(--primary-color);
    width: 2rem;
    height: 2rem;
}

.content-item p {
    font-size: 1.25rem;
}

.audience-item svg, .content-item svg {
    width: 2rem;
    height: 2rem;
}

/* Target Audience Section */
.target-audience {
    padding: 6rem 0;
    background-color: var(--bg-gray);
    position: relative;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.audience-item {
    text-align: center;
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.audience-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.audience-item i {
    color: var(--primary-color);
    width: 4rem;
    height: 4rem;
    margin-bottom: 1.5rem;
}

.audience-item p {
    font-size: 1.25rem;
    color: var(--text-color);
}

/* Reviews Section */
.reviews {
    padding: 6rem 0;
    background: linear-gradient(180deg, var(--bg-gray) 0%, var(--white) 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.review-item {
    padding: 2.5rem;
    background-color: var(--white);
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(6, 175, 172, 0.1);
    transition: all 0.3s ease;
}

.review-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.stars {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.stars i {
    color: var(--primary-color);
    width: 1.5rem;
    height: 1.5rem;
}

.review-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    line-height: 1.7;
}

.review-author {
    color: var(--primary-color);
    font-size: 1.125rem;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #06AFAC 0%, #07c5c1 100%);
    color: var(--white);
    padding: 4rem 0;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
}

.footer-content {
    text-align: center;
    position: relative;
}

.footer-content h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--white);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.social-links a {
    color: var(--white);
    transition: all 0.3s ease;
    padding: 1rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
    background: var(--white);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.social-links i {
    font-size: 36px;
    width: 36px;
    height: 36px;
}

#bookContent img {
    max-width: 100px;
    width: 100%;
}

/* Responsive Design */
@media (min-width: 768px) {
    .hero-content {
        flex-direction: row;
        align-items: center;
    }

    .hero-text h1 {
        font-size: 4.5rem;
    }
}

@media (max-width: 767px) {
    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-text p {
        font-size: 1.25rem;
    }

    .author-content {
        flex-direction: column;
        text-align: center;
    }

    .author-info li {
        justify-content: center;
    }

    .idea-content {
        flex-direction: column;
    }

    .idea-text {
        order: 2;
    }

    .idea-image {
        order: 1;
        margin-bottom: 2rem;
    }
}

/* Common Styles */
h2 {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), #07c5c1);
    border-radius: 2px;
}

.mt-3 {
  margin-top: 2rem;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
    color: var(--text-color);
    width: 1.5rem;
    height: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-color);
}

.form-group input {
    padding: 0.75rem;
    border: 1px solid #E2E8F0;
    border-radius: 0.5rem;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(6, 175, 172, 0.1);
}

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

/* Add any additional styles here */

.left-aligned-list {
    text-align: left;
}
