:root {
    --primary-dark: #2C1810;
    --primary-brown: #5C3D2E;
    --accent-terracotta: #C85C3C;
    --accent-sage: #7A9B76;
    --cream: #F5F1E8;
    --light-tan: #E8DCC8;
    --warm-white: #FDFBF7;

    --font-serif: 'Crimson Text', serif;
    --font-sans: 'Manrope', sans-serif;

    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--primary-dark);
    background-color: var(--warm-white);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(92, 61, 46, 0.1);
    transition: var(--transition-smooth);
}

nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    text-decoration: none;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--primary-brown);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-terracotta);
    transition: var(--transition-smooth);
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-dark);
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(135deg, var(--cream) 0%, var(--warm-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(200, 92, 60, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-30px, -30px); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    display: inline-block;
    color: var(--accent-terracotta);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--primary-brown);
    margin-bottom: 2rem;
    line-height: 1.6;
    font-weight: 400;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--primary-brown);
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-smooth);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--accent-terracotta);
    color: white;
    box-shadow: 0 4px 15px rgba(200, 92, 60, 0.3);
}

.btn-primary:hover {
    background-color: #B54D2F;
    box-shadow: 0 6px 25px rgba(200, 92, 60, 0.4);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: var(--primary-brown);
    color: white;
    transform: translateY(-2px);
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease-out 0.3s both;
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.book-showcase {
    position: relative;
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition-smooth);
}

.book-showcase:hover {
    transform: perspective(1000px) rotateY(-2deg) translateY(-10px);
}

.book-showcase img {
    width: 100%;
    max-width: 450px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(44, 24, 16, 0.3);
}

/* Section Styles */
section {
    padding: 6rem 2rem;
    position: relative;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    color: var(--accent-terracotta);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-description {
    font-size: 1.2rem;
    color: var(--primary-brown);
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* About Section */
.about {
    background-color: var(--cream);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(44, 24, 16, 0.2);
}

.about-text h3 {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

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

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

.credential-item {
    padding: 1.5rem;
    background-color: var(--warm-white);
    border-radius: 8px;
    border-left: 3px solid var(--accent-sage);
}

.credential-item h4 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.credential-item p {
    font-size: 0.95rem;
    color: var(--primary-brown);
    margin: 0;
}

/* Books Section */
.books {
    background-color: var(--warm-white);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.book-card {
    background-color: var(--cream);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.book-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.book-image-container {
    width: 100%;
    height: 450px;
    background-color: var(--light-tan);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.book-card-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.book-card-content {
    padding: 2rem;
}

.book-card h3 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.book-card p {
    color: var(--primary-brown);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.book-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.book-links a {
    padding: 0.7rem 1.5rem;
    background-color: var(--accent-terracotta);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.book-links a:hover {
    background-color: #B54D2F;
    transform: translateY(-2px);
}

/* Speaking Section */
.speaking {
    background: linear-gradient(135deg, var(--primary-brown) 0%, var(--primary-dark) 100%);
    color: var(--cream);
}

.speaking .section-label {
    color: var(--accent-terracotta);
}

.speaking .section-title {
    color: var(--cream);
}

.speaking .section-description {
    color: var(--light-tan);
}

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

.speaking-card {
    background-color: rgba(253, 251, 247, 0.05);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(253, 251, 247, 0.1);
    transition: var(--transition-smooth);
}

.speaking-card:hover {
    background-color: rgba(253, 251, 247, 0.1);
    transform: translateY(-5px);
}

.speaking-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.speaking-card h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--cream);
}

.speaking-card p {
    color: var(--light-tan);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.speaking-card ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.speaking-card ul li {
    padding: 0.5rem 0;
    color: var(--light-tan);
    padding-left: 1.5rem;
    position: relative;
}

.speaking-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-terracotta);
    font-weight: bold;
}

.speaking-cta {
    text-align: center;
    margin-top: 3rem;
}

/* Contact Section */
.contact {
    background-color: var(--cream);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

.contact-info p {
    font-size: 1.1rem;
    color: var(--primary-brown);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-detail-icon {
    font-size: 1.5rem;
    color: var(--accent-terracotta);
}

.contact-detail-text {
    color: var(--primary-brown);
}

.contact-form {
    background-color: var(--warm-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
    font-weight: 600;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-tan);
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: var(--transition-smooth);
    background-color: var(--warm-white);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--light-tan);
    padding: 3rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-about h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--cream);
    margin-bottom: 1rem;
}

.footer-about p {
    line-height: 1.7;
    opacity: 0.9;
}

.footer-section h4 {
    color: var(--cream);
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.footer-section ul li {
    margin-bottom: 0.7rem;
}

.footer-section ul li a {
    color: var(--light-tan);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-section ul li a:hover {
    color: var(--accent-terracotta);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(245, 241, 232, 0.2);
    text-align: center;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .hero-image {
        justify-self: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .books-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .speaking-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .books-grid {
        grid-template-columns: 1fr;
    }
    
    .credentials {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
}