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

:root {
    --dark-bg: #2a2a2a;
    --gold: #d4af37;
    --green: #4a9d5f;
    --light-gray: #f5f5f5;
    --text-dark: #333;
    --text-light: #ffffff;
}

body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    color: var(--text-dark);
}

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

/* Header & Navigation */
header {
    background-color: var(--dark-bg);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--gold);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

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

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--gold);
}

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

    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        flex-direction: column;
        background-color: var(--dark-bg);
        width: 70%;
        max-width: 300px;
        height: 100vh;
        padding: 80px 20px 20px;
        gap: 1.5rem;
        transition: right 0.3s ease-in-out;
        box-shadow: -2px 0 5px rgba(0,0,0,0.3);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        opacity: 0;
        transform: translateX(20px);
        transition: all 0.3s ease;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links.active li:nth-child(2) { transition-delay: 0.2s; }
    .nav-links.active li:nth-child(3) { transition-delay: 0.3s; }
    .nav-links.active li:nth-child(4) { transition-delay: 0.4s; }

    .nav-links a {
        font-size: 1.2rem;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a1a 100%);
    color: var(--text-light);
    padding: 4rem 0;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.subtitle {
    font-size: 1.3rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
    font-style: italic;
}

.tagline {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--green);
    color: white;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1rem;
    transition: all 0.3s;
    font-weight: bold;
}

.cta-button:hover {
    background-color: #3d8450;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 157, 95, 0.3);
}

.hero-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* Book Section */
.book-section {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.book-section h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--dark-bg);
    text-align: center;
}

.book-content {
    max-width: 900px;
    margin: 0 auto;
}

.lead {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.book-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.book-content h3 {
    font-size: 1.8rem;
    margin: 2rem 0 1rem;
    color: var(--dark-bg);
}

.book-highlights {
    list-style: none;
    margin: 1.5rem 0;
}

.book-highlights li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.book-highlights li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: bold;
    font-size: 1.3rem;
}

.emphasis {
    font-style: italic;
    font-size: 1.2rem;
    color: var(--dark-bg);
    padding: 1.5rem;
    background-color: white;
    border-left: 4px solid var(--gold);
    margin-top: 2rem;
}

/* Author Section */
.author-section {
    padding: 5rem 0;
    background-color: white;
}

.author-section h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark-bg);
    text-align: center;
}

.author-content {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: start;
}

.author-photo {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.author-bio p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Buy Section */
.buy-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a1a 100%);
    color: var(--text-light);
    text-align: center;
}

.buy-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.buy-intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.amazon-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background-color: var(--gold);
    color: var(--dark-bg);
    padding: 1.2rem 3rem;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Georgia', serif;
}

.amazon-button:hover {
    background-color: #c9a332;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 2rem;
    border-radius: 10px;
    max-width: 600px;
    position: relative;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover {
    color: #000;
}

.modal-content h3 {
    margin-bottom: 1.5rem;
    color: var(--dark-bg);
    font-size: 1.8rem;
}

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

.region-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background-color: var(--light-gray);
    border-radius: 5px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s;
}

.region-link:hover {
    background-color: var(--gold);
    color: white;
    transform: translateX(5px);
}

.flag {
    font-size: 1.5rem;
}

/* Contact Section */
.contact-section {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--dark-bg);
    text-align: center;
}

.contact-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-dark);
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: var(--dark-bg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: 'Georgia', serif;
}

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

.submit-button {
    background-color: var(--green);
    color: white;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Georgia', serif;
}

.submit-button:hover {
    background-color: #3d8450;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(74, 157, 95, 0.3);
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: var(--text-light);
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-image {
        order: -1;
    }

    .hero-image img {
        margin: 0 auto;
    }

    .author-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-photo {
        max-width: 300px;
        margin: 0 auto;
    }

    .region-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    section {
        padding: 3rem 0;
    }

    h2 {
        font-size: 2rem !important;
    }
}