/* style.css */

:root {
    --primary-color: #c17c4a;
    --primary-dark: #a56738;
    --secondary-color: #2c2c2c;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #faf9f7;
    --bg-white: #ffffff;
    --border-color: #e5e5e5;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-light);
}

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

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--secondary-color);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    z-index: 1000;
    transition: var(--transition);
}

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

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--secondary-color);
    transition: var(--transition);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #f5f0eb 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
}

.gradient-blob {
    position: absolute;
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, rgba(193, 124, 74, 0.2) 0%, rgba(193, 124, 74, 0.05) 100%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(40px);
}

.book-stack {
    position: relative;
    z-index: 1;
}

.book {
    position: absolute;
    width: 140px;
    height: 200px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.book-1 {
    background: linear-gradient(135deg, #c17c4a 0%, #a56738 100%);
    top: 50px;
    left: 50px;
}

.book-2 {
    background: linear-gradient(135deg, #8b6f47 0%, #6d5838 100%);
    top: 100px;
    left: 120px;
    animation-delay: 1s;
}

.book-3 {
    background: linear-gradient(135deg, #d4a574 0%, #c17c4a 100%);
    top: 150px;
    left: 190px;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Kategoriler */
.kategori-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.kategori-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

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

.kategori-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.kategori-card h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.kategori-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.kategori-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Kitap Grid */
.kitap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 30px;
}

.kitap-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

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

.kitap-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary-color);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.kitap-title {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--secondary-color);
}

.kitap-author {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.kitap-tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.kitap-desc {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn-cart {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Slider */
.slider-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.slider {
    overflow: hidden;
    border-radius: 12px;
}

.slider-track {
    display: flex;
    transition: transform 0.5s ease;
}

.slide {
    min-width: 100%;
    background: var(--bg-white);
    padding: 60px 40px;
    box-shadow: var(--shadow-md);
}

.slide-content {
    text-align: center;
}

.slide-content h3 {
    font-size: 2rem;
    margin-bottom: 10px;
    color: var(--secondary-color);
}

.slide-author {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.slide-desc {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--primary-color);
    font-weight: 300;
    line-height: 1;
}

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

.slider-prev {
    left: -25px;
}

.slider-next {
    right: -25px;
}

/* Etkinlikler */
.etkinlik-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.etkinlik-card {
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 25px;
    transition: var(--transition);
}

.etkinlik-card:hover {
    box-shadow: var(--shadow-md);
}

.etkinlik-date {
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    min-width: 80px;
    height: fit-content;
}

.date-day {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.date-month {
    display: block;
    font-size: 0.9rem;
    margin-top: 5px;
}

.etkinlik-content h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--secondary-color);
}

.etkinlik-time {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.etkinlik-desc {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn-remind {
    padding: 10px 20px;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.blog-tag {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.blog-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
    line-height: 1.4;
}

.blog-excerpt {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.blog-read-more {
    color: var(--primary-color);
    background: none;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.blog-read-more:hover {
    color: var(--primary-dark);
}

/* Accordion */
.accordion {
    max-width: 800px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--bg-white);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.accordion-header {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-align: left;
    transition: var(--transition);
}

.accordion-header:hover {
    background: var(--bg-light);
}

.accordion-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.accordion-header[aria-expanded="true"] .accordion-icon {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content p {
    padding: 0 30px 25px;
    color: var(--text-light);
    line-height: 1.7;
}

/* İletişim */
.iletisim-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    max-width: 900px;
    margin: 0 auto;
}

.iletisim-form h3,
.iletisim-social h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--secondary-color);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

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

.iletisim-social p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background: var(--secondary-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    max-width: 600px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--secondary-color);
    color: white;
    padding: 18px 25px;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 2000;
    max-width: 350px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    padding: 20px;
}

.modal.show {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 15px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.show .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-md);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

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

    .hero {
        padding: 100px 0 60px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-visual {
        height: 300px;
    }

    .book {
        width: 100px;
        height: 140px;
    }

    .book-1 {
        top: 30px;
        left: 30px;
    }

    .book-2 {
        top: 70px;
        left: 80px;
    }

    .book-3 {
        top: 110px;
        left: 130px;
    }

    .kategori-grid,
    .kitap-grid {
        grid-template-columns: 1fr;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .slider-prev {
        left: -15px;
    }

    .slider-next {
        right: -15px;
    }

    .slide {
        padding: 40px 20px;
    }

    .slide-content h3 {
        font-size: 1.5rem;
    }

    .etkinlik-card {
        flex-direction: column;
    }

    .iletisim-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .toast {
        bottom: 20px;
        right: 20px;
        left: 20px;
        max-width: none;
    }
}

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

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

    .btn {
        width: 100%;
        text-align: center;
    }

    .section {
        padding: 60px 0;
    }
}