/* ============================================
   Artistic Sketch Minimalist Theme
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #faf9f6;
    --color-bg-alt: #f5f3ef;
    --color-text: #2c2c2c;
    --color-text-light: #666;
    --color-accent: #d4a574;
    --color-accent-dark: #b8936a;
    --color-border: #e0ddd8;
    --color-sketch: rgba(44, 44, 44, 0.15);
    --color-white: #ffffff;
    /* Pastel Colors */
    --pastel-pink: #ffd6e8;
    --pastel-blue: #d6e8ff;
    --pastel-lavender: #e8d6ff;
    --pastel-mint: #d6ffe8;
    --pastel-peach: #ffe8d6;
    --pastel-yellow: #fff9d6;
    --pastel-coral: #ffd6d6;
    --pastel-sky: #d6f0ff;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background: url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?w=1920&q=80') no-repeat center center fixed;
    background-size: cover;
    min-height: 100vh;
    line-height: 1.6;
    font-size: 16px;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(245, 232, 255, 0.85) 0%, rgba(255, 232, 245, 0.85) 30%, rgba(250, 249, 246, 0.9) 100%);
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    background: transparent;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 2px,
            var(--color-sketch) 2px,
            var(--color-sketch) 4px
        );
    opacity: 0.03;
    pointer-events: none;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.sketch-underline {
    position: relative;
    display: inline-block;
}

.sketch-underline::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    right: 0;
    height: 0.15em;
    background: url("data:image/svg+xml,%3Csvg width='100' height='4' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,2 Q25,0 50,2 T100,2' stroke='%23b8936a' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") repeat-x;
    background-size: 100px 4px;
    opacity: 0.6;
}

.hero-subtitle {
    font-family: 'Caveat', cursive;
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) var(--spacing-md);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    position: relative;
    display: inline-block;
    width: 100%;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.section-description {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* Products Section */
.products {
    background: transparent;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.product-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border: 2px dashed var(--color-sketch);
    border-radius: var(--border-radius);
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(212, 165, 116, 0.2);
    border-color: var(--color-accent);
}

.product-card:hover::before {
    opacity: 0.3;
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: calc(var(--border-radius) - 2px);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-bg-alt) 0%, var(--color-border) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-light);
    font-size: 0.9rem;
    position: relative;
}

.product-image::after {
    content: attr(data-placeholder);
    position: absolute;
    text-align: center;
    padding: var(--spacing-sm);
}

.product-image-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: calc(var(--border-radius) - 2px);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition);
}

.product-card:hover .product-image-img {
    transform: scale(1.05);
}

.product-type {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
    font-size: 1.1rem;
}

.product-artist {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

.product-artist::before {
    content: 'by ';
    font-style: normal;
}

/* Interest Collection Section */
.interest-collection {
    background: transparent;
}

.interest-form {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid var(--color-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--color-text);
    font-size: 1rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-white);
    color: var(--color-text);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.1);
}

.form-input.other-input {
    margin-top: var(--spacing-sm);
}

.error-message {
    display: block;
    color: #d32f2f;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.checkbox-label:hover {
    background-color: rgba(245, 232, 255, 0.5);
}

.checkbox-input {
    display: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 4px;
    margin-right: var(--spacing-sm);
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
}

.checkbox-input:checked + .checkbox-custom {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-white);
    font-size: 14px;
    font-weight: bold;
}

.checkbox-text {
    font-size: 1rem;
    color: var(--color-text);
}

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    margin-top: var(--spacing-md);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.submit-btn:hover {
    background-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 165, 116, 0.3);
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.success-message {
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
    padding: var(--spacing-md);
    background-color: #e8f5e9;
    border: 2px solid #4caf50;
    border-radius: var(--border-radius);
    text-align: center;
    color: #2e7d32;
    font-weight: 500;
}

/* About Section */
.about {
    background: transparent;
}

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

.about-text {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    text-align: center;
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.footer-link:hover {
    color: var(--color-accent);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .interest-form {
        padding: var(--spacing-md);
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
}

/* How It Works Section */
.how-it-works {
    background: transparent;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.step-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--color-border);
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(212, 165, 116, 0.2);
    border-color: var(--color-accent);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto var(--spacing-sm);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

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

/* Artist Spotlight Section */
.artist-spotlight {
    background: transparent;
}

.artists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.artist-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--color-border);
    transition: var(--transition);
}

.artist-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(212, 165, 116, 0.2);
}

.artist-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto var(--spacing-sm);
}

.artist-name {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.artist-bio {
    color: var(--color-text-light);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials {
    background: transparent;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border: 2px solid var(--color-border);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(212, 165, 116, 0.2);
}

.testimonial-stars {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    color: var(--color-text);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.testimonial-author {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

/* FAQ Section */
.faq {
    background: transparent;
}

.faq-list {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.faq-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-family: inherit;
}

.faq-question:hover {
    background: rgba(212, 165, 116, 0.1);
}

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

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Image Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

/* Scroll 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);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-accent);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent-dark);
    transform: translateY(-5px);
}

/* Sketch Decorative Elements */
@keyframes sketchLine {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

.sketch-line {
    position: absolute;
    border-top: 1px dashed var(--color-sketch);
    animation: sketchLine 3s ease-in-out infinite;
}