/* ==========================================================================
   EditOnAir V2 - Advanced Premium CSS & Design System
   ========================================================================== */

/* Google Fonts & Icon Imports */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

:root {
    /* Color Palette */
    --bg-base: #060608;
    --bg-surface: #0e0e12;
    --bg-surface-light: #161622;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #475569;
    
    /* Neon Accents */
    --accent-blue: #00f3ff;
    --accent-blue-hover: #00e1ec;
    --accent-blue-rgb: 0, 243, 255;
    
    --accent-purple: #9d4edd;
    --accent-purple-hover: #7b2cbf;
    --accent-purple-rgb: 157, 78, 221;
    
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --accent-amber: #f59e0b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
    --gradient-dark: linear-gradient(180deg, #0e0e12 0%, #060608 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 30%, #a5b4fc 100%);
    
    /* Glassmorphism Configuration */
    --glass-bg: rgba(14, 14, 18, 0.65);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-highlight: rgba(255, 255, 255, 0.02);
    
    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Core Transitions - VPU Optimized (Simple Easing, Webkit prefixed) */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-base);
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    background-image: linear-gradient(rgba(6, 6, 8, 0.82), rgba(6, 6, 8, 0.82)), url('../images/bg.png');
    background-size: cover;
    background-attachment: fixed;
    background-position: center;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Tech Geometry & Grid Background Pattern */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* 1. Geometric Technical Line Grid (SVG) */
        url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg stroke='%23ffffff' stroke-width='0.5' stroke-opacity='0.012'%3E%3Cpath d='M9 0L0 9l9 9 9-9L9 0zm102 102l-9 9 9 9 9-9-9-9zm0-102l-9 9 9 9 9-9-9-9zM9 102l-9 9 9 9 9-9-9-9zM60 42L42 60l18 18 18-18-18-18z'/%3E%3Ccircle cx='60' cy='60' r='10'/%3E%3Ccircle cx='60' cy='60' r='30'/%3E%3Cpath d='M0 60h120M60 0v120'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
        /* 2. Micro Dot Matrix */
        radial-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
        /* 3. Subtle Grid Lines */
        linear-gradient(rgba(255, 255, 255, 0.008) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
    background-size: 120px 120px, 40px 40px, 40px 40px, 40px 40px;
    background-position: center top;
    pointer-events: none;
    z-index: -3;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    line-height: 1.2;
}

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

ul, ol {
    list-style: none;
}

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

/* Utility Design Elements */
.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 15px 40px -15px rgba(0, 0, 0, 0.6);
    background-image: linear-gradient(135deg, var(--glass-highlight) 0%, transparent 100%);
}

/* Rich Glowing Background Orbs (No GPU hardware-acceleration forced, VPU compliant) */
.bg-glow-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -2;
    pointer-events: none;
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    -webkit-filter: blur(150px);
    opacity: 0.14;
    pointer-events: none;
}

.blue-glow {
    width: 700px;
    height: 700px;
    top: -250px;
    left: -100px;
    background: var(--accent-blue);
}

.purple-glow {
    width: 600px;
    height: 600px;
    top: 25%;
    right: -150px;
    background: var(--accent-purple);
}

.bottom-glow {
    width: 800px;
    height: 800px;
    bottom: -350px;
    left: 10%;
    background: var(--accent-blue);
    opacity: 0.08;
}

/* Buttons */
.btn-primary {
    background: var(--gradient-primary);
    color: #060608;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: -0.01em;
    box-shadow: 0 4px 25px rgba(0, 243, 255, 0.25);
    white-space: nowrap;
    -webkit-transition: var(--transition-normal);
    transition: var(--transition-normal);
}

.btn-primary:hover {
    box-shadow: 0 8px 35px rgba(0, 243, 255, 0.45);
    opacity: 0.95;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    white-space: nowrap;
    -webkit-transition: var(--transition-normal);
    transition: var(--transition-normal);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-large {
    padding: 14px 30px;
    font-size: 0.95rem;
}

/* Capsule-type Floating Navigation Menu (Hip/Modern Style) */
.navbar {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    width: 90%;
    max-width: 1000px;
    padding: 14px 32px;
    z-index: 1000;
    border-radius: 50px;
    background: rgba(10, 10, 12, 0.5);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    -webkit-transition: var(--transition-normal);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(6, 6, 8, 0.82);
    width: 95%;
    max-width: 1040px;
    padding: 12px 36px;
    border-color: rgba(0, 243, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 243, 255, 0.06);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0; /* Clear container padding in floating navbar */
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    -webkit-transition: var(--transition-fast);
    transition: var(--transition-fast);
}

.logo:hover img {
    transform: rotate(5deg);
}

.logo span {
    font-weight: 300;
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a:not(.nav-btn) {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.nav-links a:not(.nav-btn):hover {
    color: var(--accent-blue);
}

.nav-btn {
    padding: 8px 22px;
    font-size: 0.85rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 140px;
    padding-bottom: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-tagline {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent-blue);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-tagline::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
    box-shadow: 0 0 8px var(--accent-blue);
}

.hero-title {
    font-size: clamp(2.6rem, 5vw, 4.4rem);
    font-weight: 900;
    line-height: 1.12;
    margin-bottom: 24px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
    letter-spacing: -0.04em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 550px;
    line-height: 1.75;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 36px;
}

.version-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.version-info span::before {
    content: "•";
    margin-right: 12px;
    color: var(--text-muted);
}

/* Hero App Monitor Frame - High Premium Design */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    perspective: 1200px;
}

.monitor-container {
    width: 100%;
    max-width: 640px;
    position: relative;
    transform: rotateX(2deg);
    -webkit-transform: rotateX(2deg);
}

.monitor-screen {
    width: 100%;
    aspect-ratio: 1.6;
    border: 12px solid #1a1a22;
    border-bottom: 24px solid #282833;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 
        0 40px 80px -15px rgba(0, 0, 0, 0.95), 
        0 0 50px rgba(var(--accent-blue-rgb), 0.04),
        inset 0 0 12px rgba(0, 0, 0, 0.85);
    position: relative;
    z-index: 2;
    background: #0d0d11;
}

/* Glass Glare reflection overlay */
.monitor-screen::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 28%, transparent 28.1%, transparent 100%);
    pointer-events: none;
    z-index: 3;
}

/* Power LED Indicator dot */
.monitor-screen::before {
    content: "";
    position: absolute;
    bottom: -15px;
    right: 24px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--accent-blue);
    box-shadow: 0 0 8px var(--accent-blue);
    z-index: 4;
}

.monitor-image {
    width: 100%;
    height: 100%;
    object-fit: fill;
    display: block;
}

.monitor-neck {
    width: 52px;
    height: 40px;
    background: linear-gradient(90deg, #1d1d24 0%, #3a3a49 25%, #555569 50%, #3a3a49 75%, #1d1d24 100%);
    margin: -4px auto 0;
    position: relative;
    z-index: 1;
    clip-path: polygon(15% 0%, 85% 0%, 100% 100%, 0% 100%);
    -webkit-clip-path: polygon(15% 0%, 85% 0%, 100% 100%, 0% 100%);
}

.monitor-base {
    width: 190px;
    height: 10px;
    background: linear-gradient(180deg, #444454 0%, #1e1e24 100%);
    margin: 0 auto;
    border-radius: 50% 50% 6px 6px / 12% 12% 6px 6px;
    box-shadow: 
        0 14px 28px rgba(0, 0, 0, 0.65),
        0 0 20px rgba(157, 78, 221, 0.12);
    position: relative;
    z-index: 1;
}

/* Features Grid Section */
.features {
    padding: 140px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 80px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 24px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

/* Card Design Refinement - Neon Border hover glow */
.feature-card {
    padding: 48px 40px;
    border: 1px solid var(--glass-border);
    background: rgba(14, 14, 18, 0.4);
    -webkit-transition: var(--transition-normal);
    transition: var(--transition-normal);
}

.feature-card:hover {
    border-color: rgba(var(--accent-blue-rgb), 0.3);
    background: rgba(14, 14, 18, 0.7);
    box-shadow: 
        0 25px 50px -20px rgba(0, 0, 0, 0.7),
        0 0 20px rgba(var(--accent-blue-rgb), 0.1);
    transform: translateY(-4px);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    margin-bottom: 32px;
    -webkit-transition: var(--transition-fast);
    transition: var(--transition-fast);
}

.feature-card:hover .icon-wrapper {
    transform: scale(1.05);
}

.icon-wrapper.blue {
    background: rgba(0, 243, 255, 0.06);
    color: var(--accent-blue);
    border: 1px solid rgba(0, 243, 255, 0.15);
}

.icon-wrapper.purple {
    background: rgba(157, 78, 221, 0.06);
    color: var(--accent-purple);
    border: 1px solid rgba(157, 78, 221, 0.15);
}

.icon-wrapper.gradient {
    background: var(--gradient-primary);
    color: #060608;
    box-shadow: 0 4px 15px rgba(0, 243, 255, 0.2);
}

.feature-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* Call to Action Section */
.cta {
    padding: 80px 0 140px;
}

.cta-box {
    text-align: center;
    padding: 80px 40px;
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(var(--accent-blue-rgb), 0.08) 0%, rgba(var(--accent-purple-rgb), 0.04) 70%, transparent 100%), 
        linear-gradient(135deg, var(--glass-highlight) 0%, transparent 100%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.008) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

.cta-box h2 {
    font-size: 2.8rem;
    margin-bottom: 24px;
    font-weight: 800;
    position: relative;
    z-index: 1;
}

.cta-box p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.cta-box button {
    position: relative;
    z-index: 1;
}

/* Footer Details */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 60px 0;
    background: rgba(6, 6, 8, 0.95);
    font-size: 0.9rem;
    position: relative;
}

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

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 900;
}

.footer-logo span {
    font-weight: 300;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 36px;
}

.footer-links a {
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.copyright {
    color: var(--text-muted);
}

/* ==========================================================================
   User Guide & Documentation Page Styles
   ========================================================================== */

.guide-page {
    background-color: var(--bg-base);
}

.guide-container {
    display: flex;
    gap: 48px;
    padding-top: 130px;
    padding-bottom: 120px;
}

.guide-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.sidebar-nav {
    position: sticky;
    top: 110px;
    padding: 24px;
    border-radius: 16px;
}

.sidebar-nav h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sidebar-nav ul li {
    margin-bottom: 6px;
}

.sidebar-nav ul a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
}

.sidebar-nav ul a i {
    font-size: 0.85rem;
    opacity: 0.6;
}

.sidebar-nav ul a:hover,
.sidebar-nav ul li.active a {
    color: var(--accent-blue);
    background: rgba(0, 243, 255, 0.05);
    font-weight: 500;
}

.sidebar-nav ul li.active a i {
    opacity: 1;
}

.guide-content {
    flex: 1;
    padding: 50px 60px;
}

.guide-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.intro-text {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 44px;
    line-height: 1.7;
}

.guide-content h2 {
    font-size: 1.8rem;
    margin-top: 60px;
    margin-bottom: 24px;
    color: var(--accent-blue);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--glass-border);
}

.guide-content h3 {
    font-size: 1.3rem;
    margin-top: 40px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.guide-content p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.75;
}

.guide-content ul {
    margin-left: 20px;
    margin-bottom: 24px;
    list-style-type: square;
}

.guide-content ul li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.guide-content ul li strong {
    color: var(--text-primary);
}

.guide-content hr {
    border: 0;
    height: 1px;
    background: var(--glass-border);
    margin: 60px 0;
}

/* Callout Blocks - Custom styled with Glassmorphism */
.callout {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-radius: 14px;
    margin: 28px 0;
    align-items: flex-start;
}

.callout.tip {
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.callout.tip i {
    color: var(--accent-emerald);
    font-size: 1.4rem;
}

.callout.warning {
    background: rgba(245, 158, 11, 0.05);
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.callout.warning i {
    color: var(--accent-amber);
    font-size: 1.4rem;
}

.callout-body {
    flex: 1;
}

.callout-body p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

/* Custom Styled Tables for Hotkeys */
.guide-table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 0.95rem;
}

.guide-table th, .guide-table td {
    padding: 14px 20px;
    text-align: left;
}

.guide-table th {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--glass-border);
}

.guide-table td {
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
}

.guide-table tr:hover td {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.01);
}

.guide-table kbd {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 5px;
    padding: 3px 8px;
    font-family: inherit;
    font-size: 0.85rem;
    box-shadow: 0 2px 0 rgba(0, 0, 0, 0.5);
    color: var(--accent-blue);
}

/* Step Grid (V2 documentation features) */
.step-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 24px 0;
}

.step-box {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 28px;
}

.step-box h4 {
    color: var(--accent-blue);
    font-size: 1.1rem;
    margin-bottom: 12px;
}

.step-box p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Animations Config - VPU Compliant (GPU Safe) */
.fade-in-up {
    opacity: 0;
    -webkit-transform: translateY(20px);
    transform: translateY(20px);
    -webkit-transition: opacity 0.6s ease-out, -webkit-transform 0.6s ease-out;
    transition: opacity 0.6s ease-out, -webkit-transform 0.6s ease-out;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out, -webkit-transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.delay-1 { -webkit-transition-delay: 0.15s; transition-delay: 0.15s; }
.delay-2 { -webkit-transition-delay: 0.3s; transition-delay: 0.3s; }

/* Responsive Design */
@media (max-width: 992px) {
    .navbar {
        top: 16px;
        padding: 12px 24px;
    }
    
    .navbar.scrolled {
        padding: 10px 28px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 60px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .version-info {
        justify-content: center;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .guide-container {
        flex-direction: column;
        gap: 40px;
    }
    
    .guide-sidebar {
        width: 100%;
    }
    
    .sidebar-nav {
        position: static;
        padding: 16px;
    }
    
    .guide-content {
        padding: 20px 0;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.4rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .step-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-box h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}