/* Modern Design System Design Tokens */
:root {
    --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Color Palette */
    --bg-primary: #fcfcfd;
    --bg-secondary: #f4f5f7;
    --bg-card: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-focus: #6366f1;
    
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #e0e7ff;
    --primary-badge-text: var(--primary);
    --success: #10b981;
    --success-light: #ecfdf5;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-glowing: 0 20px 40px -15px rgba(99, 102, 241, 0.15);
    
    --transition-default: background-color 150ms ease, border-color 150ms ease, color 150ms ease, opacity 150ms ease, transform 150ms ease;
    
    /* Background Pattern & Gradients */
    --bg-dot-pattern: radial-gradient(rgba(148, 163, 184, 0.12) 1px, transparent 1px);
    --bg-mesh-purple: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.05) 0px, transparent 50%), radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.05) 0px, transparent 50%), radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.03) 0px, transparent 50%);
    --bg-glow-spotlight: radial-gradient(circle, rgba(99, 102, 241, 0.08) 0%, transparent 70%);
}

/* Dark Mode Preferences */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #0b0f19;
        --bg-secondary: #111827;
        --bg-card: #1f2937;
        --text-primary: #f8fafc;
        --text-secondary: #cbd5e1;
        --text-muted: #94a3b8;
        --border-color: #374151;
        --border-focus: #818cf8;
        --primary: #6366f1;
        --primary-hover: #4f46e5;
        --primary-light: #1e1b4b;
        --primary-badge-text: #a5b4fc;
        --success-light: #064e3b;
        
        --shadow-glowing: 0 20px 40px -15px rgba(99, 102, 241, 0.35);
        
        /* Dark Mode Background Pattern & Gradients */
        --bg-dot-pattern: radial-gradient(rgba(248, 250, 252, 0.04) 1px, transparent 1px);
        --bg-mesh-purple: radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%), radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.1) 0px, transparent 50%), radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
        --bg-glow-spotlight: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
    }
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: var(--transition-default);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-default);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: var(--font-sans);
    transition: var(--transition-default);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* Header Navigation */
header {
    position: sticky;
    top: 0;
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: var(--transition-default);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    height: 42px;
}

.logo svg {
    height: 100%;
    width: auto;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 32px;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    font-weight: 500;
    font-size: 15px;
    color: var(--text-secondary);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    gap: 8px;
    min-width: 44px;
}

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

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

.btn-secondary {
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
}

/* Hero Section */
.hero {
    padding: 80px 0 100px 0;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--primary-light);
    color: var(--primary-badge-text);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
}

.hero-title {
    font-size: 40px;
    max-width: 800px;
    margin: 0 auto 20px auto;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 56px;
    }
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px auto;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

/* Hero Collage Styles */
.hero-collage {
    position: relative;
    max-width: 1000px;
    height: 480px;
    margin: 0 auto;
    perspective: 1000px;
}

.collage-card {
    position: absolute;
    width: 60%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), z-index 0.4s, opacity 0.4s;
    cursor: pointer;
    background-color: var(--bg-card);
}

.collage-card img {
    width: 100%;
    display: block;
    border: 0;
}

.collage-card.card-main {
    left: 20%;
    top: 20px;
    z-index: 3;
    transform: translate3d(0, 0, 0) scale(1);
}

.collage-card.card-left {
    left: 0;
    top: 60px;
    z-index: 2;
    transform: translate3d(0, 0, -50px) rotate(-6deg) scale(0.9);
    opacity: 0.9;
}

.collage-card.card-right {
    right: 0;
    top: 60px;
    z-index: 1;
    transform: translate3d(0, 0, -100px) rotate(6deg) scale(0.9);
    opacity: 0.9;
}

/* Hover effect to bring card to front */
.collage-card:hover {
    z-index: 10 !important;
    transform: translate3d(0, -15px, 50px) scale(1.03) !important;
    opacity: 1 !important;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

@media (max-width: 768px) {
    .hero-collage {
        height: 320px;
    }
    .collage-card {
        width: 75%;
    }
    .collage-card.card-main {
        left: 12.5%;
    }
    .collage-card.card-left {
        transform: translate3d(-10px, 0, -20px) rotate(-3deg) scale(0.85);
    }
    .collage-card.card-right {
        transform: translate3d(10px, 0, -40px) rotate(3deg) scale(0.85);
    }
}

.mockup-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot-btn {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.mockup-address {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    flex-grow: 1;
    margin-left: 20px;
    font-size: 12px;
    color: var(--text-muted);
    padding: 4px 12px;
    text-align: left;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mockup-body {
    padding: 24px;
    text-align: left;
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 480px;
}

@media (max-width: 768px) {
    .mockup-body {
        grid-template-columns: 1fr;
    }
    .sidebar-dummy {
        display: none;
    }
}

.sidebar-dummy {
    border-right: 1px solid var(--border-color);
    padding-right: 20px;
}

.sidebar-item {
    height: 36px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
}

.sidebar-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid var(--border-color);
}

.content-dummy {
    padding-left: 24px;
}

/* Steps Visualizer Section */
.section-steps {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px auto;
}

.section-title {
    font-size: 32px;
    margin-bottom: 16px;
}

.section-desc {
    color: var(--text-secondary);
}

.visualizer-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
}

@media (min-width: 992px) {
    .visualizer-wrapper {
        grid-template-columns: 320px 1fr;
    }
}

.step-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (max-width: 991px) {
    .step-buttons {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 12px;
    }
}

.step-tab {
    width: 100%;
    text-align: left;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition-default);
}

@media (max-width: 991px) {
    .step-tab {
        min-width: 220px;
        flex-shrink: 0;
    }
}

.step-tab:hover {
    border-color: var(--primary);
    color: var(--text-primary);
}

.step-tab.active {
    border-color: var(--primary);
    background-color: var(--primary-light);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.step-tab.active .step-num {
    background-color: var(--primary);
    color: #ffffff;
}

.step-label {
    font-weight: 600;
    font-size: 15px;
}

.step-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-md);
    display: none;
    animation: fadeIn 300ms ease-out forwards;
}

.step-card.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.card-header-badge {
    display: inline-flex;
    align-items: center;
    background-color: var(--success-light);
    color: var(--success);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.step-card-title {
    font-size: 24px;
    margin-bottom: 12px;
}

.step-card-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 15px;
}

.preview-pane {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

/* Specific Mockup Form Elements inside Interactive visualizer */
.mock-form-group {
    margin-bottom: 16px;
}
.mock-form-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: block;
}
.mock-input {
    width: 100%;
    height: 38px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0 12px;
    font-size: 13px;
    color: var(--text-primary);
    outline: none;
}
.mock-textarea {
    width: 100%;
    height: 80px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-primary);
    resize: none;
    outline: none;
}
.mock-upload-box {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}
.mock-price-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 10px;
}
.mock-price-title {
    font-weight: 600;
    font-size: 14px;
}
.mock-price-val {
    font-weight: 700;
    color: var(--primary);
}

/* Features Section */
.features-section {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-default);
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.feature-icon-wrapper {
    width: 44px;
    height: 44px;
    background-color: var(--primary-light);
    color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 18px;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Footer Section */
footer {
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
    padding: 60px 0;
    transition: var(--transition-default);
}

.footer-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}

@media (min-width: 768px) {
    .footer-wrapper {
        flex-direction: row;
    }
}

.footer-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 20px;
    color: var(--text-primary);
}

.footer-links {
    display: flex;
    gap: 24px;
    font-size: 14px;
    color: var(--text-secondary);
}

.footer-copy {
    font-size: 13px;
    color: var(--text-muted);
}
@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1.2fr 1fr !important;
    }
}
@media (min-width: 992px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr !important;
    }
}

/* Cover Flow Carousel Styles */
.coverflow-container {
    position: relative;
    max-width: 1050px;
    margin: 40px auto;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    overflow: visible;
}

.coverflow-track {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
}

.coverflow-card {
    position: absolute;
    width: 440px;
    height: 275px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), z-index 0.5s, opacity 0.5s;
    background-color: var(--bg-card);
    cursor: pointer;
}

.coverflow-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border: 0;
}

/* Cover Flow Card Slots Styling */
.slot-outer-left {
    transform: translate3d(-340px, 0, -180px) rotateY(35deg) scale(0.7);
    z-index: 1;
    opacity: 0.4;
}

.slot-inner-left {
    transform: translate3d(-170px, 0, -90px) rotateY(20deg) scale(0.85);
    z-index: 2;
    opacity: 0.85;
}

.slot-center {
    transform: translate3d(0, 0, 0) scale(1.05);
    z-index: 3;
    opacity: 1;
    box-shadow: 0 20px 45px rgba(0,0,0,0.3);
    border-color: var(--primary);
}

.slot-inner-right {
    transform: translate3d(170px, 0, -90px) rotateY(-20deg) scale(0.85);
    z-index: 2;
    opacity: 0.85;
}

.slot-outer-right {
    transform: translate3d(340px, 0, -180px) rotateY(-35deg) scale(0.7);
    z-index: 1;
    opacity: 0.4;
}

.slot-hidden {
    transform: translate3d(0, 0, -300px) scale(0.5);
    z-index: 0;
    opacity: 0;
    pointer-events: none;
}

@media (max-width: 768px) {
    .coverflow-card {
        width: 280px;
        height: 175px;
    }
    .slot-outer-left {
        transform: translate3d(-160px, 0, -100px) rotateY(30deg) scale(0.65);
    }
    .slot-inner-left {
        transform: translate3d(-80px, 0, -50px) rotateY(15deg) scale(0.8);
    }
    .slot-inner-right {
        transform: translate3d(80px, 0, -50px) rotateY(-15deg) scale(0.8);
    }
    .slot-outer-right {
        transform: translate3d(160px, 0, -100px) rotateY(-30deg) scale(0.65);
    }
}

/* Carousel Navigation Buttons */
.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 10;
    transition: var(--transition-default);
}

.carousel-btn:hover {
    background-color: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
}

.carousel-btn.prev {
    left: 20px;
}

.carousel-btn.next {
    right: 20px;
}

/* Custom Workflow Section Styles */
.workflow-feature-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
}

@media (min-width: 992px) {
    .workflow-feature-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.editor-mockup {
    background-color: #0b0f19;
    border: 1px solid #1e293b;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    font-family: Consolas, Monaco, 'Andale Mono', monospace;
    font-size: 13.5px;
    color: #f8fafc;
    text-align: left;
}

.editor-header {
    background-color: #1e293b;
    padding: 12px 18px;
    border-bottom: 1px solid #0f172a;
    display: flex;
    align-items: center;
    gap: 6px;
}

.editor-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.editor-body {
    padding: 20px;
    margin: 0;
    overflow-x: auto;
    line-height: 1.5;
}

.json-key { color: #f43f5e; }
.json-string { color: #10b981; }
.json-val { color: #38bdf8; }
.json-comment { color: #64748b; }

.carousel-dot.active {
    background-color: var(--primary);
    width: 24px;
}

/* Premium Background Theme Classes */
.theme-mesh-hero {
    position: relative;
    background-color: var(--bg-primary);
    background-image: var(--bg-mesh-purple);
}
.theme-mesh-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: var(--bg-dot-pattern);
    background-size: 24px 24px;
    pointer-events: none;
    opacity: 1;
}

.theme-mesh-dark {
    position: relative;
    background-color: #0f172a; /* Deep dark slate */
    background-image: 
        radial-gradient(at 10% 20%, rgba(99, 102, 241, 0.15) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(168, 85, 247, 0.12) 0px, transparent 50%);
    color: #f8fafc;
}
.theme-mesh-dark .section-title {
    color: #f8fafc;
}
.theme-mesh-dark .section-desc {
    color: #94a3b8;
}

/* Glassmorphism style for collage cards & settings */
.glass-card {
    backdrop-filter: blur(12px) saturate(180%);
    background-color: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(226, 232, 240, 0.8);
}
@media (prefers-color-scheme: dark) {
    .glass-card {
        background-color: rgba(31, 41, 55, 0.75);
        border: 1px solid rgba(75, 85, 99, 0.5);
    }
}