/* Webapp Styles - Minimalistic, Luxury Dark Theme with CSS 3D Perspectives */

:root {
    --bg: #030303;
    --surface: #0a0a0a;
    --surface-hover: #121212;
    --border: #1e1e1e;
    --border-hover: #333333;
    --text: #ffffff;
    --text-muted: #888888;
    --primary: #ffffff;
    --accent: #2d9cdb;
    --green: #00c853;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    --font-mono: 'Courier New', Courier, monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Subtle Grid Background decoration */
.grid-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(3, 3, 3, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    letter-spacing: -0.5px;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links .nav-highlight {
    color: var(--text);
    border: 1px solid var(--border);
    padding: 0.35rem 0.75rem;
    border-radius: 4px;
    background: var(--surface);
}

.nav-links .nav-highlight:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.nav-socials {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-icon-link {
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: color 0.2s ease, transform 0.2s ease;
    text-decoration: none;
}

.nav-icon-link:hover {
    color: var(--text);
    transform: translateY(-1px);
}

/* Sections */
.section {
    padding: 6rem 2rem;
    position: relative;
    z-index: 1;
}

.section-border {
    border-top: 1px solid var(--border);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 0.75rem;
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.status-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background-color: #f59e0b;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #f59e0b;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.6; }
    100% { transform: scale(0.9); opacity: 1; }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -2px;
    margin-bottom: 1.25rem;
    background: linear-gradient(180deg, #fff 0%, #a3a3a3 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-white {
    background-color: var(--text);
    color: var(--bg);
}

.btn-white:hover {
    background-color: #e5e5e5;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.04);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.hero-badges {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-badges span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero-badges i {
    color: var(--text);
}

/* 3D Scene / Mockup Widget */
.hero-3d-scene {
    perspective: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.interactive-card-3d {
    width: 100%;
    max-width: 440px;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
}

/* Glassmorphic Simulated OS Container */
.mock-desktop {
    background: rgba(10, 10, 10, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    box-shadow: 
        0 30px 100px rgba(0, 0, 0, 0.8),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transform: translateZ(20px);
    transform-style: preserve-3d;
}

.mock-header {
    background: rgba(255, 255, 255, 0.03);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.red { background-color: #ff5f56; }
.dot.yellow { background-color: #ffbd2e; }
.dot.green { background-color: #27c93f; }

.mock-title {
    margin-left: auto;
    margin-right: auto;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.mock-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    transform: translateZ(40px);
}

/* Simulated Floating Overlay Bar */
.mock-overlay-bar {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.06);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transform: translateZ(60px);
}

.overlay-item {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.overlay-item i {
    font-size: 0.85rem;
}

.overlay-item.active {
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.overlay-item.active i {
    color: #ef4444;
}

/* Simulated Answer Window */
.mock-answer-window {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transform: translateZ(80px);
}

.answer-header {
    background: rgba(255, 255, 255, 0.04);
    padding: 0.5rem 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.answer-header .close-btn {
    font-size: 1rem;
    color: var(--text-muted);
    cursor: pointer;
}

.answer-content {
    padding: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(0, 0, 0, 0.3);
}

.code-comment {
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.answer-content pre {
    color: #e5e7eb;
}

.answer-content .keyword { color: #f472b6; }
.answer-content .function { color: #60a5fa; }
.answer-content .type { color: #fbbf24; }
.answer-content .number { color: #34d399; }

/* Video Demo Area */
.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 3px;
    background: linear-gradient(180deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.02) 100%);
    border-radius: 14px;
}

.video-container {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: #000;
    aspect-ratio: 16/9;
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    letter-spacing: -0.3px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 3D Credit Card styled coin section */
.coin-section {
    border-top: 1px solid var(--border);
    overflow: hidden;
}

.coin-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.coin-text h2 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1.25rem;
}

.coin-text p {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.coin-text .secondary-p {
    font-size: 0.9rem;
}

/* 3D Credit Card Wrapper */
.coin-3d-wrap {
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cc-card {
    width: 380px;
    height: 220px;
    background: linear-gradient(135deg, #111111 0%, #030303 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.1s ease-out;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.75rem;
    overflow: hidden;
}

.cc-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
    pointer-events: none;
}

.cc-front {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform-style: preserve-3d;
}

.cc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    transform: translateZ(30px);
}

.cc-chip {
    width: 40px;
    height: 30px;
    background: linear-gradient(135deg, #222222 0%, #444444 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
}

.cc-brand {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.cc-number {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    letter-spacing: 2px;
    color: #e5e5e5;
    margin: 1.5rem 0;
    text-align: center;
    transform: translateZ(40px);
}

.cc-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    transform: translateZ(30px);
}

.cc-holder {
    display: flex;
    flex-direction: column;
}

.cc-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.cc-value {
    font-size: 0.8rem;
    font-weight: 600;
}

.cc-action-btns {
    display: flex;
    gap: 0.5rem;
}

.cc-btn {
    border: none;
    border-radius: 4px;
    padding: 0.45rem 0.85rem;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.cc-btn.copy-btn {
    background-color: var(--text);
    color: var(--bg);
}

.cc-btn.copy-btn:hover {
    background-color: #e5e5e5;
}

.cc-btn.trade-btn {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cc-btn.trade-btn:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Fast Installation / Steps */
.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.step-card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.step-num {
    font-family: var(--font-mono);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.02);
    position: absolute;
    top: -1rem;
    right: 1rem;
    line-height: 1;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.terminal-block {
    background: #000;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.85rem 1.25rem;
    margin: 1rem 0;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    color: #e5e5e5;
}

.text-link {
    color: var(--text);
    text-decoration: underline;
}

.text-link:hover {
    color: #e5e5e5;
}

.step-tip {
    font-size: 0.8rem !important;
    margin-top: 0.75rem;
}

/* Footer styling */
.footer {
    border-top: 1px solid var(--border);
    background: #000000;
    padding: 4rem 2rem 2.5rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 3rem;
}

.footer-bottom {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text);
    text-decoration: none;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Responsive breakdowns */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        text-align: center;
    }
    
    .hero-text {
        align-items: center;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-badges {
        justify-content: center;
    }
    
    .coin-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .coin-text {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .coin-text h2 {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Modern responsive drawer toggles can be added, kept minimal */
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .cc-card {
        width: 100%;
        max-width: 340px;
        height: 200px;
        padding: 1.25rem;
    }
    
    .cc-number {
        font-size: 1rem;
    }
    
    .cc-btn {
        padding: 0.35rem 0.65rem;
        font-size: 0.7rem;
    }
}