:root {
    /* Colors */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --text-primary: #ffffff;
    --text-secondary: #a1a1a6;
    --text-tertiary: #86868b;
    
    /* Accents - Gold/Copper */
    --accent-primary: #bf953f;
    --accent-secondary: #fcf6ba;
    --accent-tertiary: #b38728;
    --accent-gradient: linear-gradient(135deg, #bf953f 0%, #fcf6ba 50%, #b38728 100%);
    --accent-glow: 0 0 20px rgba(191, 149, 63, 0.3);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Typography */
    --font-main: "SF Pro Display", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    
    /* UI Elements */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    
    --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.5;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    font-weight: 400;
}

.text-center { text-align: center; }
.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

/* Layout */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section-padding {
    padding: var(--spacing-xl) 0;
}

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

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.align-center {
    align-items: center;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-fast);
}

.glass-effect {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.01em;
}

.nav-links {
    display: none;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
        gap: var(--spacing-md);
    }
    
    .nav-links a {
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
    
    .nav-links a:hover {
        color: var(--text-primary);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.6rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 1.2rem 2.4rem;
    font-size: 1.25rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #000;
    font-weight: 600;
}

.btn-primary:hover {
    box-shadow: var(--accent-glow);
    transform: scale(1.02);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    margin-left: var(--spacing-sm);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-primary);
    width: 100%;
}

.btn-outline:hover {
    border-color: var(--text-primary);
}

/* Hero Section */
.hero-section {
    padding-top: 150px;
    padding-bottom: var(--spacing-lg);
    text-align: center;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden; /* Prevent horizontal scroll from 3D */
}

.hero-subtitle {
    font-size: clamp(1.5rem, 4vw, 3rem);
    line-height: 1.1;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

.hero-buttons {
    margin-bottom: var(--spacing-xl);
}

/* 3D Gallery */
.hero-gallery-3d {
    perspective: 1200px;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-md);
    overflow: visible;
}

.gallery-spinner {
    width: 240px; /* Reduced width for better mobile fit */
    height: 520px; /* Aspect ratio roughly maintained */
    position: relative;
    transform-style: preserve-3d;
    animation: rotateGallery 25s infinite linear;
}

.gallery-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-origin: center;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 4px solid #333;
    background: #000;
    backface-visibility: hidden; /* Or visible if we want to see back */
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Position 5 items in a circle */
.gallery-item:nth-child(1) { transform: rotateY(0deg) translateZ(350px); }
.gallery-item:nth-child(2) { transform: rotateY(72deg) translateZ(350px); }
.gallery-item:nth-child(3) { transform: rotateY(144deg) translateZ(350px); }
.gallery-item:nth-child(4) { transform: rotateY(216deg) translateZ(350px); }
.gallery-item:nth-child(5) { transform: rotateY(288deg) translateZ(350px); }

@keyframes rotateGallery {
    from { transform: rotateY(0deg); }
    to { transform: rotateY(360deg); }
}

.hero-gallery-3d:hover .gallery-spinner {
    animation-play-state: paused;
}

/* Vertical Placeholders */
.placeholder-image-vertical {
    width: 100%;
    height: 100%;
    aspect-ratio: 720/1558;
    background: linear-gradient(180deg, #1a1a1a, #2a2a2a);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1.2rem;
    text-align: center;
    flex-direction: column;
}

/* Cards */
.card {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-fast);
}

.card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.05);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

/* How it Works */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .steps-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

.step {
    flex: 1;
    position: relative;
    padding: var(--spacing-md);
}

.step-number {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(255,255,255,0.05);
    position: absolute;
    top: 0;
    left: 0;
    line-height: 1;
    z-index: 0;
}

.step-content {
    position: relative;
    z-index: 1;
    margin-top: 1rem;
}

/* Value Sections & Sliders */
.value-section .section-title {
    margin-bottom: var(--spacing-sm);
}

.value-section .section-description {
    margin-bottom: var(--spacing-md);
}

.image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Modified to Static Grid per User Request */
.image-slider {
    width: 100%;
    overflow: hidden; /* No scroll */
    padding-bottom: 0;
}

.slide-track {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    flex-wrap: wrap; /* Allow wrapping */
    justify-content: center; /* Center items */
}

.slide-item {
    flex: 0 1 calc(50% - var(--spacing-sm)); /* Fit 2 per row mostly */
    min-width: 140px; /* Allow small enough for mobile side-by-side */
    max-width: 240px; /* Don't get too big */
    aspect-ratio: 720/1558; /* Maintain aspect ratio */
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    background: #000;
}

.slide-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Showcase Section */
.showcase-section {
    position: relative;
    overflow: hidden;
    padding-bottom: 4rem;
}

.showcase-wrapper {
    position: relative;
    width: 100%;
    height: 600px; /* Fixed height for the showcase area */
    display: flex;
    justify-content: center;
    align-items: center;
}

.showcase-group {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 1.5s ease, visibility 1.5s ease;
    padding: 20px;
}

.showcase-group.active {
    opacity: 1;
    visibility: visible;
}

.showcase-group img {
    height: 100%; /* Fill height */
    width: auto; /* Auto width based on aspect ratio */
    max-width: 32%; /* Ensure 3 items fit */
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid rgba(255,255,255,0.1);
}

.showcase-group.group-2 img {
    max-width: 48%; /* Ensure 2 items fit larger */
}

@media (max-width: 768px) {
    .showcase-wrapper {
        height: 400px;
    }
    
    .showcase-group img {
        border-radius: 12px;
    }
}

/* Reverse Mobile */
@media (max-width: 768px) {
    .reverse-mobile {
        display: flex;
        flex-direction: column-reverse;
        gap: var(--spacing-md);
    }
}

/* Privacy Section Improved */
.privacy-section {
    background: linear-gradient(180deg, #000 0%, #0a0a0a 100%);
    position: relative;
    overflow: hidden;
}

.privacy-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(191, 149, 63, 0.1);
    border-radius: 999px;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
    font-weight: 600;
    border: 1px solid rgba(191, 149, 63, 0.3);
}

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

.privacy-feature {
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition-fast);
}

.privacy-feature:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.p-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.privacy-feature h4 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.featured {
    background: linear-gradient(180deg, #1a1a1a 0%, #0a0a0a 100%);
    border: 1px solid rgba(191, 149, 63, 0.3);
    transform: scale(1.05);
    z-index: 10;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gradient);
    color: #000;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 700;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-sm) 0;
}

.period {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.features {
    margin: var(--spacing-md) 0;
    text-align: left;
    flex-grow: 1;
}

.features li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.features li span {
    color: var(--accent-primary);
}

.features li.disabled {
    color: var(--text-tertiary);
    opacity: 0.5;
}

/* Niches */
.niche-item {
    text-align: center;
    padding: var(--spacing-md);
}

.niche-item .icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.footer {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: var(--spacing-lg) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.link-group h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.link-group a {
    color: var(--text-secondary);
}

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

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

.fade-in-up {
    opacity: 0;
    animation: fadeInUp 0.8s var(--transition-smooth) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* Scroll Reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--transition-smooth);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Comparison Slider */
.comparison-slider {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.slider-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 125%; /* Aspect ratio for vertical images approx 4:5 */
    overflow: hidden;
}

.before-image {
    width: 50%; /* Initial state */
    z-index: 2;
    border-right: 2px solid rgba(255,255,255,0.8);
}

.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 40px;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    cursor: ew-resize;
}

.handle-line {
    width: 2px;
    height: 100%;
    background: rgba(255,255,255,0.8);
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
}

.handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border: 2px solid #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.label {
    position: absolute;
    bottom: 20px;
    padding: 5px 10px;
    background: rgba(0,0,0,0.6);
    color: #fff;
    border-radius: 4px;
    font-size: 0.8rem;
    pointer-events: none;
    user-select: none;
}

.before-image .label {
    left: 20px;
}

.after-image .label {
    right: 20px;
}