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

:root {
    --color-bg: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-orange: #FF6B00;
    --color-orange-dark: #e55a00;
    --color-text: #ffffff;
    --color-text-muted: #b0b0b0;
    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h1 { font-size: 4rem; line-height: 1.2; }
h2 { font-size: 3rem; line-height: 1.2; }
h3 { font-size: 1.8rem; }
h4 { font-size: 1.4rem; }

p { font-size: 1rem; color: var(--color-text-muted); }

.accent { color: var(--color-orange); }

/* BUTTONS */
.btn {
    font-family: var(--font-heading);
    padding: 12px 28px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 4px;
}

.btn-primary {
    background-color: var(--color-orange);
    color: #000;
    font-weight: 700;
}

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

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

.btn-secondary:hover {
    border-color: var(--color-orange);
    color: var(--color-orange);
}

.btn-service, .btn-cart {
    width: 100%;
    background-color: var(--color-orange);
    color: #000;
    font-weight: 700;
    margin-top: 20px;
}

.btn-service:hover, .btn-cart:hover {
    background-color: var(--color-orange-dark);
}

/* NAVBAR */
.navbar {
    background-color: var(--color-bg);
    padding: 20px 0;
    border-bottom: 1px solid var(--color-bg-secondary);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1.8rem;
    font-family: var(--font-heading);
    font-weight: 700;
}

.logo-text { color: var(--color-text); }
.logo-accent { color: var(--color-orange); }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.nav-icons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.icon {
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition);
}

.icon:hover { color: var(--color-orange); }

.cart-icon {
    position: relative;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: var(--color-orange);
    color: #000;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

/* HERO SECTION */
.hero {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px 40px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.hero-tagline {
    color: var(--color-orange);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.hero-title {
    margin-bottom: 30px;
    line-height: 1.1;
}

.hero-title span {
    display: block;
}

.hero-title .accent {
    font-size: 4.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* HERO VISUAL */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-showcase {
    position: relative;
    width: 100%;
    height: 100%;
    perspective: 1000px;
}

.showcase-card {
    position: absolute;
    width: 280px;
    height: 380px;
    border: 2px solid var(--color-orange);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), transparent);
    backdrop-filter: blur(10px);
}

.card-1 {
    transform: rotate(-15deg) translateX(-80px);
    z-index: 1;
}

.card-2 {
    transform: rotate(15deg) translateX(80px);
    z-index: 2;
}

.showcase-card .card-content {
    text-align: center;
}

.showcase-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.showcase-card .price {
    font-size: 2.5rem;
    color: var(--color-orange);
    font-weight: 700;
    margin-bottom: 5px;
}

.showcase-card p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* FEATURES SECTION */
.features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 100px;
    padding-top: 60px;
    border-top: 1px solid var(--color-bg-secondary);
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--color-orange);
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-text h4 {
    color: var(--color-text);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.feature-text p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* SECTION HEADER */
.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-label {
    color: var(--color-orange);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    letter-spacing: 0.1em;
    margin-bottom: 15px;
}

.section-header h2 {
    margin-bottom: 15px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

.view-all {
    display: inline-block;
    color: var(--color-orange);
    text-decoration: none;
    margin-top: 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    transition: var(--transition);
}

.view-all:hover {
    transform: translateX(5px);
}

/* SECTIONS */
section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 40px;
}

.services-section, .products-section, .books-section {
    background-color: var(--color-bg);
}

/* SERVICES GRID */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-bg-secondary);
    border-radius: 12px;
    padding: 40px;
    transition: var(--transition);
    position: relative;
}

.service-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-10px);
}

.service-card.featured {
    border-color: var(--color-orange);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--color-orange);
    color: #000;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}

.service-header {
    margin-bottom: 30px;
}

.service-header h3 {
    margin-bottom: 15px;
}

.price-tag {
    font-size: 2.5rem;
    color: var(--color-orange);
    font-weight: 700;
}

.price-tag span {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    padding: 10px 0;
    color: var(--color-text-muted);
    border-bottom: 1px solid var(--color-bg);
}

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

/* PRODUCTS GRID */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-bg-secondary);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.product-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-8px);
}

.product-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), transparent);
    border: 2px solid var(--color-orange);
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder {
    font-size: 4rem;
}

.product-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    line-height: 1.3;
}

.product-card p {
    font-size: 0.9rem;
    margin-bottom: 20px;
    min-height: 40px;
}

.product-price {
    font-size: 1.8rem;
    color: var(--color-orange);
    font-weight: 700;
    margin-bottom: 20px;
}

/* BOOKS SECTION */
.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.book-card {
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-bg-secondary);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    transition: var(--transition);
}

.book-card:hover {
    border-color: var(--color-orange);
    transform: translateY(-8px);
}

.book-cover {
    font-size: 5rem;
    margin-bottom: 20px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), transparent);
    border: 2px solid var(--color-orange);
    border-radius: 8px;
    margin-bottom: 30px;
}

.book-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.book-subtitle {
    color: var(--color-orange);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.book-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

/* NEWSLETTER SECTION */
.newsletter-section {
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-orange);
    border-radius: 12px;
    padding: 60px 40px;
    max-width: 1400px;
    margin: 120px auto;
}

.newsletter-content {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.newsletter-icon {
    font-size: 4rem;
    min-width: 80px;
}

.newsletter-text {
    flex: 1;
    min-width: 250px;
}

.newsletter-label {
    color: var(--color-orange);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    margin-bottom: 10px;
}

.newsletter-text h3 {
    margin-bottom: 10px;
}

.newsletter-text p {
    font-size: 1rem;
    margin-bottom: 0;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    flex: 1;
    min-width: 250px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 20px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-text-muted);
    border-radius: 4px;
    color: var(--color-text);
    font-family: var(--font-body);
}

.newsletter-form input::placeholder {
    color: var(--color-text-muted);
}

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

.newsletter-form button {
    padding: 12px 28px;
    white-space: nowrap;
}

/* ABOUT & CONTACT SECTIONS */
.about-section, .contact-section {
    text-align: center;
}

.about-content, .contact-content {
    max-width: 800px;
    margin: 40px auto 0;
}

.about-content p, .contact-content p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.8;
}

.contact-content a {
    color: var(--color-orange);
    text-decoration: none;
    transition: var(--transition);
}

.contact-content a:hover {
    text-decoration: underline;
}

/* FOOTER */
.footer {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-bg);
    padding: 80px 40px 30px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-column h4 {
    margin-bottom: 25px;
    color: var(--color-text);
}

.footer-column p {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 15px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    font-size: 1.3rem;
}

.social-links a {
    transition: var(--transition);
}

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

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

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.95rem;
}

.footer-column a:hover {
    color: var(--color-orange);
}

.footer-newsletter {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.footer-newsletter input {
    flex: 1;
    padding: 12px 15px;
    background-color: var(--color-bg);
    border: 2px solid var(--color-text-muted);
    border-radius: 4px;
    color: var(--color-text);
    font-family: var(--font-body);
}

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

.footer-newsletter button {
    width: 50px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.footer-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid var(--color-bg);
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* MODAL */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
}

.modal-content {
    background-color: var(--color-bg-secondary);
    margin: 5% auto;
    padding: 40px;
    border: 2px solid var(--color-orange);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    color: var(--color-text);
}

.close {
    color: var(--color-text-muted);
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
}

.close:hover {
    color: var(--color-orange);
}

.modal h2 {
    margin-bottom: 30px;
}

#checkout-items {
    margin-bottom: 30px;
}

#checkout-total {
    font-size: 1.5rem;
    color: var(--color-orange);
    font-weight: 700;
    margin-bottom: 30px;
}

/* CHATBOT STYLES */
.chatbot-toggle {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--color-orange);
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(255, 107, 0, 0.4);
    transition: var(--transition);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255, 107, 0, 0.6);
}

.chatbot-toggle.hidden {
    display: none;
}

.chatbot-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 400px;
    max-width: 90vw;
    height: 600px;
    background-color: var(--color-bg-secondary);
    border: 2px solid var(--color-orange);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    z-index: 998;
    animation: slideUp 0.3s ease;
    display: none;
}

.chatbot-widget.open {
    display: flex;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chatbot-header {
    background-color: var(--color-orange);
    color: #000;
    padding: 15px 20px;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
}

.chatbot-header h3 {
    font-size: 1.1rem;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chatbot-close {
    background: none;
    border: none;
    color: #000;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.chatbot-close:hover {
    transform: scale(1.2);
}

.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: var(--color-bg);
    border-radius: 10px;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: var(--color-orange);
    border-radius: 10px;
}

.chat-message {
    display: flex;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}

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

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.assistant {
    justify-content: flex-start;
}

.chat-bubble {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    word-wrap: break-word;
    line-height: 1.5;
    font-size: 0.95rem;
}

.chat-message.user .chat-bubble {
    background-color: var(--color-orange);
    color: #000;
    font-weight: 500;
}

.chat-message.assistant .chat-bubble {
    background-color: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-bg-secondary);
}

.chat-message.system .chat-bubble {
    background-color: transparent;
    color: var(--color-text-muted);
    text-align: center;
    font-size: 0.85rem;
}

.chatbot-input-area {
    padding: 15px;
    border-top: 1px solid var(--color-bg);
}

.chatbot-input-area form {
    display: flex;
    gap: 10px;
}

.chatbot-input-area input {
    flex: 1;
    padding: 10px 15px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-bg-secondary);
    border-radius: 6px;
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
}

.chatbot-input-area input:focus {
    outline: none;
    border-color: var(--color-orange);
}

.chatbot-input-area input::placeholder {
    color: var(--color-text-muted);
}

.chatbot-send {
    width: 40px;
    height: 40px;
    background-color: var(--color-orange);
    border: none;
    border-radius: 6px;
    color: #000;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-weight: 700;
}

.chatbot-send:hover {
    background-color: var(--color-orange-dark);
    transform: scale(1.05);
}

.chatbot-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.loading-indicator {
    display: flex;
    gap: 4px;
    align-items: center;
}

.loading-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-orange);
    animation: bounce 1.4s infinite;
}

.loading-dot:nth-child(1) {
    animation-delay: 0s;
}

.loading-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title { font-size: 3rem; }
    .hero-title .accent { font-size: 3.5rem; }

    .features {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .service-card.featured {
        transform: scale(1);
        grid-column: 1 / -1;
    }

    .footer-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }

    .nav-menu {
        gap: 20px;
        font-size: 0.9rem;
    }

    .hero {
        padding: 40px 20px;
    }

    .hero-title { font-size: 2.5rem; }
    .hero-title .accent { font-size: 2.8rem; }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

    .features {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

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

    .newsletter-content {
        flex-direction: column;
        gap: 20px;
    }

    .newsletter-form {
        flex-direction: column;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    section {
        padding: 60px 20px;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        display: none;
    }

    .hero-title { font-size: 2rem; }
    .hero-title .accent { font-size: 2.2rem; }

    h2 { font-size: 1.6rem; }

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

    .showcase-card {
        width: 220px;
        height: 300px;
    }

    .card-1 {
        transform: rotate(-20deg) translateX(-60px);
    }

    .card-2 {
        transform: rotate(20deg) translateX(60px);
    }
}