/* 
   Minik Kahramanım - Premium CSS Tasarım Sistemi
   Tasarım Dili: Masalsı pastel renkler, yuvarlak köşeler, yumuşak gölgeler ve akıcı mikromimikler.
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Comfortaa:wght@400;500;600;700&display=swap');

:root {
    --primary: #6C5DD3;
    --primary-light: #F0EDFF;
    --secondary: #FF754C;
    --secondary-light: #FFEBE5;
    --accent: #FFC01E;
    --accent-light: #FFF8E5;
    --success: #38E54D;
    --bg-main: #F9F9FC;
    --surface: #FFFFFF;
    --text-primary: #1B1D21;
    --text-secondary: #808191;
    --border-color: #E4E4E4;
    --card-shadow: 0px 12px 32px rgba(108, 93, 211, 0.05), 0px 4px 12px rgba(0, 0, 0, 0.02);
    --btn-shadow: 0px 8px 20px rgba(255, 117, 76, 0.3);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
    --font-heading: 'Comfortaa', cursive;
    --font-body: 'Outfit', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-primary);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Typography Helper */
.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}
.section-title span {
    color: var(--primary);
}
.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 3rem auto;
    font-size: 1.1rem;
}

/* Custom Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
}
.btn-primary:hover {
    background-color: #5a4db8;
    transform: translateY(-3px);
    box-shadow: 0px 8px 24px rgba(108, 93, 211, 0.3);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
    box-shadow: var(--btn-shadow);
}
.btn-secondary:hover {
    background-color: #e05e36;
    transform: translateY(-3px);
    box-shadow: 0px 10px 28px rgba(255, 117, 76, 0.4);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* Header & Nav */
.site-header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0px 4px 20px rgba(0,0,0,0.02);
    border-bottom: 1px solid rgba(228, 228, 228, 0.4);
    transition: var(--transition-smooth);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    line-height: 0;
}
.logo img {
    display: block;
    width: auto;
    height: 52px;
    max-width: 215px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-link {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}
.nav-link:hover {
    color: var(--primary);
}
.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 180px 0 100px 0;
    position: relative;
    background: radial-gradient(circle at 10% 20%, rgba(240, 237, 255, 0.7) 0%, rgba(255, 235, 229, 0.4) 90%);
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}
.hero-title span {
    color: var(--primary);
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
}

.hero-image-wrapper {
    position: relative;
}

.hero-main-img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: 0px 20px 40px rgba(108, 93, 211, 0.15);
    z-index: 2;
    position: relative;
    border: 8px solid white;
}

/* Floating Elements (Microanimations) */
.floating-element {
    position: absolute;
    animation: float 6s ease-in-out infinite;
    z-index: 1;
}
.float-1 { top: -20px; left: 10%; width: 50px; animation-delay: 0s; }
.float-2 { bottom: 40px; left: -30px; width: 40px; animation-delay: 1.5s; }
.float-3 { top: 40px; right: -20px; width: 60px; animation-delay: 3s; }
.float-4 { bottom: -20px; right: 20%; width: 45px; animation-delay: 4.5s; }

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(8deg); }
    100% { transform: translateY(0px) rotate(0deg); }
}

/* Nasıl Çalışır Bölümü */
.how-it-works {
    padding: 100px 0;
    background-color: white;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.step-card {
    background-color: var(--bg-main);
    padding: 2.5rem 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    position: relative;
}
.step-card:hover {
    background-color: white;
    border-color: var(--primary-light);
    transform: translateY(-8px);
    box-shadow: var(--card-shadow);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 10px rgba(108, 93, 211, 0.3);
}

.step-icon-box {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.05);
    color: var(--primary);
    font-size: 2rem;
    transition: var(--transition-smooth);
}
.step-card:hover .step-icon-box {
    background-color: var(--primary);
    color: white;
}

.step-title {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.step-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Kitap Türleri */
.book-types {
    padding: 100px 0;
}

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

.book-card {
    background-color: var(--surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
}
.book-card:hover {
    transform: translateY(-10px);
    box-shadow: 0px 20px 40px rgba(108, 93, 211, 0.1);
}

.book-card.featured {
    border-color: var(--secondary);
    position: relative;
}
.book-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--secondary);
    color: white;
    padding: 0.4rem 1rem;
    font-weight: 700;
    font-size: 0.8rem;
    border-radius: 50px;
    z-index: 10;
}

.book-img-box {
    position: relative;
    padding-top: 65%;
    background-color: var(--primary-light);
    overflow: hidden;
}
.book-img-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}
.book-card:hover .book-img-box img {
    transform: scale(1.05);
}

.book-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.book-title {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
}

.book-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.book-features {
    list-style: none;
    margin-bottom: 2rem;
}
.book-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}
.book-features li i {
    color: var(--success);
}

.book-card .btn {
    width: 100%;
}

/* Before / After Section */
.before-after-section {
    padding: 100px 0;
    background-color: white;
}

.slider-container {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    border: 6px solid white;
}

.before-after-slider {
    position: relative;
    width: 100%;
    padding-top: 65%; /* Aspect Ratio */
}

.slider-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
}

.img-before {
    z-index: 1;
}

.img-after {
    z-index: 2;
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background-color: white;
    z-index: 3;
    cursor: ew-resize;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.handle-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background-color: var(--primary);
    border: 4px solid white;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    font-size: 1.2rem;
}

.slider-labels {
    position: absolute;
    bottom: 15px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 3;
    pointer-events: none;
}
.slider-label {
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

/* Wizard / Step Form (Kendi Hikayeni Oluştur) */
.wizard-section {
    padding: 100px 0;
}

.wizard-card {
    background-color: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.wizard-header {
    background-color: var(--primary-light);
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

/* Progress indicator */
.steps-progress {
    display: flex;
    justify-content: space-between;
    max-width: 600px;
    margin: 1.5rem auto 0 auto;
    position: relative;
}
.steps-progress::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--border-color);
    z-index: 1;
}

.progress-bar-fill {
    position: absolute;
    top: 15px;
    left: 0;
    height: 4px;
    background-color: var(--primary);
    z-index: 2;
    width: 0%;
    transition: var(--transition-smooth);
}

.progress-step {
    width: 32px;
    height: 32px;
    background-color: white;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
    z-index: 3;
    transition: var(--transition-smooth);
    color: var(--text-secondary);
}
.progress-step.active {
    border-color: var(--primary);
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 10px rgba(108, 93, 211, 0.3);
}
.progress-step.completed {
    border-color: var(--primary);
    background-color: var(--primary);
    color: white;
}

.wizard-form {
    padding: 3rem;
}

.wizard-step-panel {
    display: none;
}
.wizard-step-panel.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

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

.step-panel-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
}
.step-panel-subtitle {
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

/* Option Grid - Card selectors */
.options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.option-select-card {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.option-select-card input[type="radio"],
.option-select-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.option-select-card:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.option-select-card.selected {
    border-color: var(--primary);
    background-color: var(--primary-light);
    box-shadow: 0px 8px 24px rgba(108, 93, 211, 0.08);
}
.option-select-card.selected::after {
    content: '✓';
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--primary);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.option-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.option-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.option-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.order-specs-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(240px, .7fr);
    gap: 1.25rem;
    padding: 1.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #fff, var(--primary-light));
}

.order-choice-group {
    min-width: 0;
    padding: 0;
    border: 0;
}

.order-choice-group legend {
    margin-bottom: .8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.binding-options,
.page-options {
    display: grid;
    gap: .75rem;
}

.binding-options {
    grid-template-columns: 1fr;
}

.page-options {
    grid-template-columns: 1fr;
}

.order-choice-card,
.page-option {
    position: relative;
    display: flex;
    align-items: center;
    gap: .75rem;
    min-height: 64px;
    padding: .85rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.order-choice-card:hover,
.page-option:hover,
.order-choice-card.selected,
.page-option.selected {
    border-color: var(--primary);
    box-shadow: 0 7px 20px rgba(108, 93, 211, .1);
}

.order-choice-card.selected,
.page-option.selected {
    background: var(--primary-light);
}

.order-choice-card input,
.page-option input {
    accent-color: var(--primary);
}

.order-choice-card small {
    display: block;
    margin-top: .2rem;
    color: var(--text-secondary);
    line-height: 1.35;
}

.order-choice-icon {
    flex: 0 0 auto;
    color: var(--primary);
    font-size: 1.35rem;
}

.page-option {
    justify-content: flex-start;
    min-height: 54px;
    padding-inline: 1rem;
    text-align: left;
}

.page-option input {
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    margin: 0;
}

.page-option span {
    display: inline-flex;
    align-items: baseline;
    gap: .3rem;
}

/* Form Controls */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.form-grid-full {
    grid-column: span 2;
}

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

.form-label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.form-control {
    padding: 0.9rem 1.2rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    background-color: var(--bg-main);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 4px var(--primary-light);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Multi-select styling for Concepts */
.concept-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}
.concept-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    background-color: var(--bg-main);
    transition: var(--transition-smooth);
    font-weight: 500;
    font-size: 0.9rem;
}
.concept-card:hover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}
.concept-card.selected {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* Drag and drop zone */
.drag-drop-zone {
    border: 3px dashed var(--primary-light);
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    padding: 3rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    margin-bottom: 2rem;
}
.drag-drop-zone:hover, .drag-drop-zone.dragover {
    border-color: var(--primary);
    background-color: var(--primary-light);
}

.upload-icon {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}
.upload-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.preview-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.preview-item {
    position: relative;
    padding-top: 100%;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid white;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.1);
}
.preview-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.remove-preview-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(255, 117, 76, 0.9);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
    transition: var(--transition-smooth);
}
.remove-preview-btn:hover {
    background-color: var(--secondary);
    transform: scale(1.1);
}

/* KVKK checkbox */
.kvkk-check {
    display: flex;
    gap: 0.8rem;
    align-items: flex-start;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}
.kvkk-check input {
    margin-top: 0.2rem;
}

/* Wizard Buttons */
.wizard-footer {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding: 2rem 3rem;
    background-color: var(--bg-main);
}

/* Success Step Panel */
.wizard-success-panel {
    text-align: center;
    padding: 3rem;
}
.success-icon {
    font-size: 5rem;
    color: var(--success);
    margin-bottom: 1.5rem;
    animation: pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes pop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* Gallery / Lightbox */
.gallery-section {
    padding: 100px 0;
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}
.filter-btn {
    background-color: white;
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition-smooth);
    font-family: var(--font-body);
}
.filter-btn.active, .filter-btn:hover {
    background-color: var(--primary);
    color: white;
    border-color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.gallery-item {
    background-color: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    cursor: pointer;
    position: relative;
    transition: var(--transition-smooth);
}
.gallery-item:hover {
    transform: translateY(-5px);
}
.gallery-item-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}
.gallery-item-info {
    padding: 1.2rem;
    background-color: white;
}
.gallery-item-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}
.gallery-item-category {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 500;
    text-transform: uppercase;
}

/* Lightbox Styling */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.9);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.lightbox.active {
    display: flex;
    opacity: 1;
}
.lightbox-content {
    max-width: 90%;
    max-height: 80%;
    position: relative;
}
.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-sm);
    border: 4px solid white;
}
.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    background: none;
    border: none;
}

/* Reels & müşteri videoları */
.videos-section {
    padding: 100px 0;
    background:
        radial-gradient(circle at 8% 15%, rgba(255, 200, 61, .22), transparent 28%),
        radial-gradient(circle at 92% 85%, rgba(113, 87, 233, .15), transparent 30%),
        #fff;
}
.videos-heading-row {
    display: flex;
    justify-content: center;
    text-align: center;
}
.videos-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    margin-bottom: .75rem;
    color: var(--secondary);
    font-weight: 800;
    letter-spacing: .02em;
}
.videos-subtitle {
    margin-bottom: 2.5rem;
}
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 280px));
    justify-content: center;
    gap: 1.75rem;
}
.video-card {
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    transition: transform .25s ease, box-shadow .25s ease;
}
.video-card:hover {
    transform: translateY(-6px) rotate(-.35deg);
}
.video-frame {
    position: relative;
    aspect-ratio: 9 / 16;
    overflow: hidden;
    background: #171326;
}
.video-frame video {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-category-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 1;
    padding: .45rem .75rem;
    color: #fff;
    background: rgba(45, 38, 80, .82);
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 800;
    backdrop-filter: blur(8px);
    pointer-events: none;
}
.video-card-body {
    padding: 1.25rem 1.35rem 1.4rem;
}
.video-card-body h3 {
    margin-bottom: .45rem;
    font-size: 1.05rem;
    line-height: 1.35;
}
.video-card-body p {
    color: var(--text-secondary);
    font-size: .9rem;
    line-height: 1.6;
}

/* Testimonials / Yorumlar */
.testimonials-section {
    padding: 100px 0;
    background-color: white;
}

.testimonials-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 2rem;
    padding: 1rem 0;
    scrollbar-width: none; /* Firefox */
}
.testimonials-slider::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 1.34rem);
    scroll-snap-align: start;
    background-color: var(--bg-main);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: 0px 8px 24px rgba(0,0,0,0.02);
}

.rating-stars {
    color: var(--accent);
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.1rem;
}
.author-info span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Neden Biz & Kullanım Alanları */
.why-us {
    padding: 100px 0;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.advantage-card {
    background-color: white;
    padding: 2rem 1.2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--card-shadow);
}
.advantage-icon-box {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.2rem auto;
}
.advantage-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}
.advantage-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* FAQ / Accordion */
.faq-section {
    padding: 100px 0;
    background-color: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}
.faq-question i {
    color: var(--primary);
    transition: var(--transition-smooth);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}
.faq-item.active .faq-answer {
    margin-top: 1rem;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.contact-info-panel {
    background-color: var(--primary);
    color: white;
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.contact-info-panel h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
}
.contact-info-panel p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}
.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.contact-detail-item i {
    font-size: 1.5rem;
    color: var(--accent);
}
.contact-detail-item a {
    color: white;
}

.contact-socials {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
}
.social-icon-btn {
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}
.social-icon-btn:hover {
    background-color: white;
    color: var(--primary);
}

.contact-form-panel {
    padding: 4rem;
}

/* Final CTA Section */
.final-cta {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at 10% 20%, rgba(255, 235, 229, 0.5) 0%, rgba(240, 237, 255, 0.7) 90%);
}
.final-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.final-cta p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

/* Footer */
.site-footer {
    background-color: #1B1D21;
    color: #808191;
    padding: 80px 0 30px 0;
    border-top: 1px solid #2e3035;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 40px;
}

.footer-brand h3 {
    color: white;
    margin-bottom: 1rem;
}
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-title {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.footer-links a {
    color: #808191;
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}
.footer-contact-list li {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #2e3035;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

/* Sticky Mobile CTA & Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0px 8px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-smooth);
}
.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0px 10px 32px rgba(37, 211, 102, 0.5);
}

.sticky-mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: white;
    padding: 0.8rem 1.5rem;
    box-shadow: 0 -4px 15px rgba(0,0,0,0.08);
    z-index: 998;
}
.sticky-mobile-cta .btn {
    width: 100%;
}

/* CSS Grid & Layout Helper */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}
.col-12 {
    width: 100%;
    padding: 0 15px;
}

/* Responsive Breakpoints (Mobile-First style but written responsively) */
@media (max-width: 1024px) {
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    .books-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    .hero-title {
        font-size: 2.2rem;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-image-wrapper {
        order: -1;
    }
    .hero-main-img {
        max-width: 80%;
        margin: 0 auto;
    }
    .options-grid {
        grid-template-columns: 1fr;
    }
    .order-specs-panel {
        grid-template-columns: 1fr;
    }
    .concept-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-grid-full {
        grid-column: span 1;
    }
    .preview-container {
        grid-template-columns: repeat(3, 1fr);
    }
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
    }
    .videos-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .testimonial-card {
        flex: 0 0 100%;
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .contact-info-panel, .contact-form-panel {
        padding: 2.5rem;
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        padding: 2rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        border-top: 1px solid var(--border-color);
    }
    .nav-menu.active {
        display: flex;
    }
    .mobile-menu-btn {
        display: block;
    }
    .site-header .btn-primary {
        display: none; /* Hide header btn on small screens */
    }
    .sticky-mobile-cta {
        display: block;
    }
    .floating-whatsapp {
        bottom: 85px; /* Stay above sticky mobile cta */
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    .wizard-form {
        padding: 1.5rem;
    }
    .wizard-footer {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .binding-options {
        grid-template-columns: 1fr;
    }
    .page-options {
        grid-template-columns: 1fr;
    }
    .concept-grid {
        grid-template-columns: 1fr;
    }
    .preview-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    .videos-grid {
        display: flex;
        justify-content: flex-start;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding: .5rem 8vw 1.5rem 0;
        scrollbar-width: none;
    }
    .videos-grid::-webkit-scrollbar {
        display: none;
    }
    .video-card {
        flex: 0 0 min(78vw, 290px);
        scroll-snap-align: start;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    .hero-ctas .btn {
        width: 100%;
    }
    .section-title {
        font-size: 1.8rem;
    }
}

/* --- Oyuncak kutusu: renkli, katmanlı ve eğlenceli görsel dil --- */
:root {
    --primary: #7157e9;
    --secondary: #ff6d4a;
    --accent: #ffc83d;
    --success: #47c978;
    --bg-main: #fffaf3;
    --text-primary: #2d2650;
    --text-secondary: #746e89;
    --border-color: #e9dcff;
    --card-shadow: 0 12px 0 rgba(113, 87, 233, .10), 0 22px 32px rgba(80, 49, 151, .12);
    --radius-lg: 30px;
    --radius-md: 20px;
    --radius-sm: 12px;
}

body {
    background:
        radial-gradient(circle at 4% 8%, rgba(255, 207, 79, .28) 0 3px, transparent 4px) 0 0 / 47px 47px,
        radial-gradient(circle at 93% 26%, rgba(113, 87, 233, .12) 0 2px, transparent 3px) 0 0 / 54px 54px,
        var(--bg-main);
}

section { position: relative; }
.section-title { font-size: clamp(2rem, 3vw, 2.7rem); letter-spacing: -.055em; }
.section-title span { color: var(--secondary); }
.section-subtitle { font-size: 1.08rem; }

.site-header {
    top: 13px; left: 50%; width: min(1180px, calc(100% - 28px));
    transform: translateX(-50%); border: 2px solid rgba(255,255,255,.95);
    border-radius: 22px; box-shadow: 0 8px 24px rgba(74, 47, 130, .12);
    background: rgba(255,255,255,.87);
}
.header-container { height: 67px; padding: 0 1.1rem; }
.logo { color: var(--primary); }
.nav-menu { gap: 1.1rem; }
.nav-link { font-size: .87rem; font-weight: 700; }
.nav-link::after { height: 4px; background: var(--accent); }

.btn { border-radius: 17px; padding: .82rem 1.35rem; font-weight: 800; letter-spacing: .01em; box-shadow: 0 5px 0 rgba(45, 38, 80, .15); }
.btn:hover { transform: translateY(-4px) rotate(-1deg); box-shadow: 0 9px 0 rgba(45, 38, 80, .12); }
.btn:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(45, 38, 80, .12); }
.btn-primary { background: linear-gradient(135deg, #8069ee, #6952dd); }
.btn-secondary { background: linear-gradient(135deg, #ff8464, #ff634a); }
.btn-outline { border-color: #d9ccff; background: #fff; color: var(--primary); }
.btn-outline:hover { background: #f1edff; color: var(--primary); }

.hero {
    padding: 155px 0 118px; isolation: isolate;
    background: linear-gradient(135deg, #eae2ff 0%, #f9edff 45%, #dff6ff 100%);
}
.hero::before, .hero::after { content: ''; position: absolute; z-index: -1; border-radius: 50%; filter: blur(1px); }
.hero::before { width: 380px; height: 380px; left: -180px; bottom: -170px; background: #ffc942; box-shadow: 85px -410px 0 -130px #ff9ab8, 1040px 100px 0 -80px #82d9f5; opacity: .55; }
.hero::after { width: 190px; height: 82px; right: 5%; top: 105px; background: #fff; border-radius: 100px; box-shadow: -25px 32px 0 -19px #fff, 675px 360px 0 -47px #fff; opacity: .82; }
.hero-grid { gap: 4.5rem; }
.hero-kicker { display: inline-flex; align-items: center; gap: .5rem; padding: .5rem .9rem; margin-bottom: 1.15rem; border-radius: 999px; background: #fff; color: #fe6e76; font-size: .85rem; font-weight: 800; box-shadow: 0 5px 0 rgba(254,110,118,.16); transform: rotate(-2deg); }
.hero-kicker i { color: var(--accent); }
.hero-title { font-size: clamp(2.7rem, 5vw, 4.15rem); line-height: 1.06; color: #342967; text-wrap: balance; }
.hero-title::first-line { color: var(--primary); }
.hero-description { max-width: 520px; font-size: 1.17rem; color: #5f5879; }
.hero-main-img { border: 10px solid #fff; border-radius: 35px 58px 34px 64px; box-shadow: 15px 15px 0 #ffca3a, 24px 28px 30px rgba(63,45,126,.22); transform: rotate(2.5deg); }
.hero-image-wrapper { padding: 16px 22px 22px 4px; }
.hero-sticker { position: absolute; z-index: 4; display: grid; place-items: center; width: 68px; height: 68px; border: 5px solid #fff; border-radius: 50%; box-shadow: 0 7px 0 rgba(45,38,80,.12); animation: sticker-bounce 3.4s ease-in-out infinite; }
.sticker-heart { right: -4px; bottom: 9%; background: #ff789e; color: #fff; font-size: 1.5rem; transform: rotate(12deg); }
.sticker-smile { left: -10px; top: 12%; background: #ffcf3e; color: #755626; font: 900 3rem/1 var(--font-body); animation-delay: .6s; }
.floating-element { filter: drop-shadow(0 5px 2px rgba(45,38,80,.14)); }
.float-1 { font-size: 1.3rem; } .float-2 { color: #fff !important; } .float-3 { color: #ff789e !important; } .float-4 { color: #44c983 !important; }
@keyframes sticker-bounce { 0%,100%{ translate: 0 0; } 50%{ translate: 0 -11px; } }

.how-it-works { padding: 115px 0 95px; background: #fff; }
.steps-grid { gap: 1.2rem; }
.step-card { padding: 2.8rem 1.25rem 2rem; background: linear-gradient(160deg, #fff, #faf6ff); border: 2px solid #eee5ff; box-shadow: 0 7px 0 #e9defe; overflow: visible; }
.step-card:nth-child(2n) { transform: translateY(18px) rotate(1deg); background: linear-gradient(160deg, #fff, #f0fbff); border-color: #ccefff; box-shadow: 0 7px 0 #d2effc; }
.step-card:nth-child(3n) { background: linear-gradient(160deg, #fff, #fff8df); border-color: #ffe7a0; box-shadow: 0 7px 0 #ffe6a0; }
.step-card:hover, .step-card:nth-child(2n):hover { transform: translateY(-8px) rotate(-1deg); }
.step-number { background: linear-gradient(135deg, #ff8b72, #ff6250); border: 4px solid #fff; box-shadow: 0 5px 0 #efc6d0; }
.step-icon-box { background: #ede7ff; color: var(--primary); border-radius: 20px; transform: rotate(-4deg); }

.book-types { padding: 115px 0; background: linear-gradient(180deg, #fff 0%, #fff7e7 100%); }
.book-card { border: 2px solid #fff; border-radius: 30px; box-shadow: 0 10px 0 #f2dba8, 0 20px 32px rgba(101,74,36,.12); overflow: hidden; }
.book-card.featured { border-color: #ffce47; transform: translateY(-15px) scale(1.02); box-shadow: 0 12px 0 #edb92e, 0 24px 35px rgba(101,74,36,.16); }
.book-card:hover { transform: translateY(-8px) rotate(-.6deg); }
.book-card.featured:hover { transform: translateY(-22px) rotate(.5deg) scale(1.02); }
.book-img-box { background: #eee6ff; }
.book-img-box img { transition: transform .5s ease; }
.book-card:hover .book-img-box img { transform: scale(1.07) rotate(1deg); }
.book-badge { background: #ff6d4a; font-weight: 800; border-radius: 0 0 18px 18px; box-shadow: 0 5px 0 #dc5238; }

.before-after-section { padding: 110px 0; background: #e8f8ff; }
.slider-container { border-radius: 32px; border: 9px solid #fff; box-shadow: 0 10px 0 #b9e0f1, 0 20px 34px rgba(57,113,143,.16); }
.slider-handle .handle-button { background: #ffcb40; border: 4px solid #fff; box-shadow: 0 4px 0 #e3ad25; }

.wizard-section { padding: 115px 0; background: linear-gradient(135deg, #f1eafe, #fff2f6); }
.wizard-card { border: 3px solid #fff; border-radius: 32px; overflow: hidden; box-shadow: 0 12px 0 #dacdf8, 0 27px 45px rgba(81,52,139,.15); }
.wizard-header { background: linear-gradient(135deg, #7b64e7, #a384f0); }
.wizard-header h3 { color: #fff; }
.wizard-step-panel {
    padding: 3.25rem 4.5rem 3.5rem;
}
.form-grid {
    gap: 1.75rem 2rem;
}
.progress-step { border-width: 4px; }
.option-select-card, .concept-card { border-radius: 20px; border-width: 2px; }
.option-select-card:hover, .concept-card:hover { transform: translateY(-4px) rotate(-.5deg); }
.option-select-card.selected, .concept-card.selected { border-color: var(--secondary); background: #fff4ee; box-shadow: 0 5px 0 #ffd5c8; }
.concept-card.selected { color: #b84232; font-weight: 800; }
#customConceptGroup { max-width: 660px; margin: 2.25rem auto 0 !important; }
#customConceptGroup .form-label { display: block; margin-bottom: .7rem; }
#customConceptGroup textarea { display: block; width: 100%; min-height: 150px; }
.form-control { border-radius: 14px; border: 2px solid #e6dcff; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 4px #eee9ff; }

.why-us { padding: 115px 0; background: #fff; }
.advantage-card { border-radius: 26px; border: 2px solid #f1eaff; box-shadow: 0 7px 0 #eee5ff; }
.advantage-card:nth-child(2n) .advantage-icon-box { background: #fff2ca; color: #e29c0a; }
.advantage-card:nth-child(3n) .advantage-icon-box { background: #dff8ed; color: #2aae70; }
.advantage-card:hover { transform: translateY(-7px) rotate(-1deg); }

.site-footer { background: #342967; border-top: 8px solid #ffcb3c; }
.floating-whatsapp { border: 4px solid #fff; box-shadow: 0 6px 0 #149b42, 0 12px 22px rgba(20,155,66,.25); }

@media (max-width: 768px) {
    .site-header { top: 8px; width: calc(100% - 18px); border-radius: 17px; }
    .header-container { height: 62px; }
    .logo img { height: 43px; max-width: 178px; }
    .nav-menu { top: 66px; border-radius: 0 0 22px 22px; }
    .hero { padding: 115px 0 78px; }
    .hero-content { text-align: center; }
    .hero-description { margin-inline: auto; }
    .hero-kicker { font-size: .76rem; }
    .hero-main-img { max-width: 84%; }
    .sticker-smile { left: 2%; } .sticker-heart { right: 2%; }
    .step-card:nth-child(2n) { transform: none; }
    .book-card.featured { transform: none; }
    .wizard-step-panel { padding: 2.25rem 1.5rem 2.5rem; }
}
