/* ========================================
   LEWIUS - Premium Lithophane Landing Page
   ======================================== */

/* === CSS Variables === */
:root {
    /* Colors - Sophisticated, light-oriented palette */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-bg-tertiary: #2a2a2a;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #d4d4d4;
    --color-text-tertiary: #a3a3a3;
    
    --color-accent-gold: #d4af37;
    --color-accent-light: #f5f5dc;
    --color-accent-warm: #ffd700;
    
    /* Glow effects */
    --glow-primary: rgba(212, 175, 55, 0.4);
    --glow-secondary: rgba(255, 215, 0, 0.3);
    --glow-soft: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

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

html {
    scroll-behavior: smooth;
}

.site-content {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-weight: 300;
    overflow-x: hidden;
}

.col-full { 
	margin: 0 !important; padding: 0 !important;
}

section, footer {
	width: 100vw;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

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

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) var(--spacing-md);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
    opacity: 0.3;
    animation: pulseGlow 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.2s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-title-line {
    display: block;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1.2s ease-out backwards;
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
    line-height: 1.8;
    font-weight: 300;
    animation: fadeInUp 1.2s ease-out 0.4s backwards;
}

.hero-image-wrapper {
    position: relative;
    animation: fadeInUp 1.2s ease-out 0.6s backwards;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, var(--glow-secondary) 0%, transparent 60%);
    opacity: 0.6;
    animation: pulseGlow 6s ease-in-out infinite;
    pointer-events: none;
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 40px var(--glow-primary);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.hero-image:hover {
    transform: scale(1.02);
    box-shadow: 
        0 30px 80px rgba(0, 0, 0, 0.6),
        0 0 60px var(--glow-primary);
}

/* === CTA Buttons === */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 400;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.cta-button:hover::before {
    width: 300px;
    height: 300px;
}

.cta-button.primary {
    background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-warm));
    color: var(--color-bg-primary);
    box-shadow: 0 4px 20px var(--glow-primary);
}

.cta-button.primary:hover {
    box-shadow: 0 6px 30px var(--glow-secondary);
    transform: translateY(-2px);
}

.cta-button.secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-accent-gold);
}

.cta-button.secondary:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.cta-button.large {
    padding: 1.25rem 3rem;
    font-size: 1.1rem;
}

/* ========================================
   INTRODUCTION SECTION
   ======================================== */
.intro-section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-header.centered {
    text-align: center;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.intro-text {
    max-width: 600px;
}

.intro-paragraph {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.intro-paragraph.lead {
    font-size: 1.35rem;
    color: var(--color-text-primary);
    font-weight: 300;
}

.intro-visual {
    position: relative;
}

.light-beam {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--glow-secondary) 0%, transparent 70%);
    opacity: 0.4;
    filter: blur(40px);
    animation: floatBeam 10s ease-in-out infinite;
}

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

.intro-image-container {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.intro-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.intro-image-container:hover .intro-image {
    transform: scale(1.05);
}

/* ========================================
   VARIANTS SECTION
   ======================================== */
.variants-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-secondary);
    position: relative;
}

.variants-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.variant-card {
    background: var(--color-bg-primary);
    border-radius: 4px;
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.variant-card:hover {
    transform: translateY(-8px);
}

.variant-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/5;
}

.variant-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    opacity: 0;
    transition: opacity var(--transition-slow);
    pointer-events: none;
}

.color-glow {
    background: radial-gradient(circle, 
        rgba(255, 100, 100, 0.3) 0%, 
        rgba(100, 255, 100, 0.2) 30%,
        rgba(100, 100, 255, 0.2) 60%,
        transparent 80%);
}

.mono-glow {
    background: radial-gradient(circle, 
        rgba(255, 255, 255, 0.4) 0%, 
        transparent 70%);
}

.variant-card:hover .variant-glow {
    opacity: 1;
}

.variant-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.variant-card:hover .variant-image {
    transform: scale(1.08);
}

.variant-content {
    padding: var(--spacing-lg);
}

.variant-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-gold);
}

.variant-description {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--color-bg-secondary);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top, var(--glow-soft) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-accent-gold);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-accent-gold);
    transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-text {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   SUSTAINABILITY SECTION
   ======================================== */
.sustainability-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, #0d1b0d 0%, var(--color-bg-primary) 100%);
    position: relative;
}

.sustainability-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.sustainability-description {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-top: var(--spacing-md);
}

.sustainability-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.eco-badge {
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #88cc88;
    animation: rotateBadge 20s linear infinite;
    filter: drop-shadow(0 0 20px rgba(136, 204, 136, 0.3));
}

@keyframes rotateBadge {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-section {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-secondary);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-bg-primary);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--color-accent-gold);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.faq-question {
    font-size: 1.5rem;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.faq-answer {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* ========================================
   FINAL CTA SECTION
   ======================================== */
.final-cta {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-primary);
    position: relative;
    text-align: center;
    overflow: hidden;
}

.final-cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 70%);
    opacity: 0.4;
    animation: pulseGlow 8s ease-in-out infinite;
    pointer-events: none;
}

.final-cta-content {
    position: relative;
    z-index: 2;
}

.final-cta-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta-text {
    font-size: 1.35rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image-wrapper {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .sustainability-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
        --spacing-xxl: 5rem;
    }
    
    .variants-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
    
    .section-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}

@media (max-width: 480px) {
    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 0.85rem;
    }
    
    .cta-button.large {
        padding: 1rem 2.25rem;
        font-size: 0.95rem;
    }
    
    .faq-question {
        font-size: 1.25rem;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent-gold);
    outline-offset: 4px;
}