/* ==========================================
   CROWDSAFE AI DESIGN SYSTEM & CORE STYLES
   ========================================== */

/* Variables */
:root {
    /* Colors */
    --bg-base: hsl(224, 71%, 4%);
    --bg-surface: hsla(222, 47%, 7%, 0.7);
    --bg-surface-solid: hsl(222, 47%, 7%);
    --bg-card: hsla(222, 47%, 10%, 0.5);
    --bg-card-hover: hsla(222, 47%, 13%, 0.8);
    
    --border-color: hsla(217, 30%, 18%, 0.6);
    --border-glow: hsla(199, 89%, 48%, 0.2);
    --border-glow-purple: hsla(263, 70%, 50%, 0.25);
    
    --color-text-primary: hsl(210, 40%, 98%);
    --color-text-secondary: hsl(217, 20%, 72%);
    --color-text-muted: hsl(217, 15%, 50%);
    
    /* Neon Accents */
    --color-cyan: hsl(199, 89%, 48%);
    --color-cyan-glow: hsla(199, 89%, 48%, 0.15);
    
    --color-purple: hsl(263, 75%, 60%);
    --color-purple-glow: hsla(263, 75%, 60%, 0.15);
    
    --color-emerald: hsl(142, 72%, 47%);
    --color-emerald-glow: hsla(142, 72%, 47%, 0.15);
    
    --color-amber: hsl(38, 92%, 50%);
    --color-amber-glow: hsla(38, 92%, 50%, 0.15);
    
    --color-pink: hsl(329, 86%, 56%);
    --color-pink-glow: hsla(329, 86%, 56%, 0.15);

    /* Transitions & Shadows */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --shadow-neon-cyan: 0 0 20px hsla(199, 89%, 48%, 0.25);
    --shadow-neon-purple: 0 0 20px hsla(263, 75%, 60%, 0.25);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.7);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

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

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

.text-center { text-align: center; }
.text-emerald { color: var(--color-emerald) !important; }
.text-cyan { color: var(--color-cyan) !important; }
.text-purple { color: var(--color-purple) !important; }

/* Background Glow Effects */
.background-glow {
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1400px;
    height: 600px;
    background: radial-gradient(circle, hsla(199, 89%, 48%, 0.08) 0%, hsla(263, 75%, 60%, 0.05) 50%, transparent 100%);
    z-index: -1;
    pointer-events: none;
    filter: blur(80px);
}

/* Glassmorphism Common Style */
.glassmorphism {
    background-color: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: hsla(224, 71%, 4%, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.header.scrolled {
    background-color: hsla(224, 71%, 4%, 0.9);
    padding: 12px 0;
    border-bottom-color: hsla(199, 89%, 48%, 0.2);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.01em;
}

.nav-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    border-radius: 6px;
}

.accent-text {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 6px 0;
    border-bottom: 2px solid transparent;
}

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

.btn-download-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, hsla(199, 89%, 48%, 0.1) 0%, hsla(263, 75%, 60%, 0.1) 100%);
    border: 1px solid var(--color-cyan-glow);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-cyan) !important;
}

.btn-download-nav:hover {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    color: var(--color-text-primary) !important;
    box-shadow: var(--shadow-neon-cyan);
    border-color: transparent;
    transform: translateY(-2px);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.btn-github {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-github:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--color-text-secondary);
    transform: translateY(-2px);
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px;
}

/* ==========================================
   MOBILE OVERLAY
   ========================================== */
.mobile-overlay {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-surface-solid);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), opacity 0.3s ease;
    pointer-events: none;
}

.mobile-overlay.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.mobile-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: 100%;
    padding: 0 40px;
}

.mobile-link {
    font-size: 1.3rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    color: var(--color-text-secondary);
}

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

.btn-download-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 320px;
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    box-shadow: var(--shadow-neon-cyan);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero-section {
    padding-top: 140px;
    padding-bottom: 80px;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: hsla(199, 89%, 48%, 0.08);
    border: 1px solid var(--border-glow);
    padding: 6px 14px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-cyan);
    animation: pulse-glow 2s infinite;
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-cyan);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 48px;
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-spring);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    border: none;
    padding: 12px 24px;
    color: var(--color-text-primary);
    box-shadow: var(--shadow-neon-cyan);
    gap: 12px;
}

.btn-primary:hover {
    transform: scale(1.03) translateY(-2px);
    box-shadow: 0 10px 25px -5px hsla(199, 89%, 48%, 0.4), 0 0 25px hsla(263, 75%, 60%, 0.3);
}

.btn-inner {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.btn-title {
    font-size: 1rem;
    font-weight: 700;
}

.btn-subtext {
    font-size: 0.75rem;
    opacity: 0.8;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
}

.btn-secondary {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 16px 28px;
    font-size: 1.05rem;
    gap: 8px;
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--color-text-secondary);
    transform: translateY(-2px);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 24px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

.trust-item i {
    font-size: 1.1rem;
}

/* Mockup Window Style */
.hero-visual {
    position: relative;
}

.hero-visual::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--color-cyan-glow) 0%, var(--color-purple-glow) 100%);
    filter: blur(30px);
    z-index: -1;
    pointer-events: none;
}

.mockup-window {
    background-color: hsl(222, 47%, 6%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition-smooth);
}

.mockup-window:hover {
    border-color: var(--color-cyan-glow);
    box-shadow: var(--shadow-card), 0 0 30px hsla(199, 89%, 48%, 0.1);
}

.mockup-header {
    background-color: hsl(222, 47%, 3%);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
}

.mockup-dot.red { background-color: #ef4444; }
.mockup-dot.yellow { background-color: #f59e0b; }
.mockup-dot.green { background-color: #10b981; }

.mockup-title {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-left: 12px;
}

.mockup-body {
    position: relative;
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #0b0f19;
}

.mockup-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mockup-overlay-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: hsla(210, 40%, 98%, 0.6);
    background-color: hsla(222, 47%, 4%, 0.6);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    backdrop-filter: blur(4px);
    border: 1px solid hsla(210, 40%, 98%, 0.2);
    transition: var(--transition-smooth);
}

.mockup-overlay-play:hover {
    color: var(--color-cyan);
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--shadow-neon-cyan);
    border-color: var(--color-cyan);
}

/* ==========================================
   KEY FEATURES SECTION
   ========================================== */
.features-section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 64px auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

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

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 10% 10%, var(--bg-card-hover) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 0;
}

.feature-card:hover {
    transform: translateY(-8px);
    background-color: var(--bg-card-hover);
    border-color: var(--border-glow);
}

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

.feature-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

/* Glow Backgrounds for Feature Icons */
.purple-glow { background-color: var(--color-purple-glow); color: var(--color-purple); }
.blue-glow { background-color: var(--color-cyan-glow); color: var(--color-cyan); }
.emerald-glow { background-color: var(--color-emerald-glow); color: var(--color-emerald); }
.amber-glow { background-color: var(--color-amber-glow); color: var(--color-amber); }
.cyan-glow { background-color: hsla(180, 89%, 48%, 0.15); color: hsl(180, 89%, 48%); }
.pink-glow { background-color: var(--color-pink-glow); color: var(--color-pink); }

.feature-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.feature-description {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
    position: relative;
    z-index: 1;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.feature-list li {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
}

.feature-list li i {
    font-size: 1rem;
    color: var(--color-cyan);
}

.feature-card:hover .feature-list li i {
    animation: micro-bump 0.3s ease;
}

/* ==========================================
   INTERACTIVE TOUR SHOWCASE
   ========================================== */
.showcase-section {
    padding: 100px 0;
    background-color: hsla(222, 47%, 5%, 0.5);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.showcase-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.tab-btn {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--color-text-secondary);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 24px;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-smooth);
}

.tab-btn:hover {
    background-color: var(--bg-card-hover);
    color: var(--color-text-primary);
}

.tab-btn.active {
    background-color: hsla(199, 89%, 48%, 0.1);
    color: var(--color-cyan);
    border-color: var(--color-cyan);
    box-shadow: 0 0 15px hsla(199, 89%, 48%, 0.1);
}

.showcase-content-wrapper {
    position: relative;
    min-height: 480px;
}

.showcase-content {
    display: none;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
    animation: tab-fade-in 0.5s ease;
}

.showcase-content.active {
    display: grid;
}

.showcase-text {
    display: flex;
    flex-direction: column;
}

.showcase-num {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: hsla(199, 89%, 48%, 0.15);
    line-height: 1;
    margin-bottom: 8px;
}

.showcase-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.showcase-desc {
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.s-feat-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
}

.s-feat-item i {
    font-size: 1.2rem;
}

.showcase-visual-wrapper {
    position: relative;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.showcase-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    z-index: 2;
    backdrop-filter: blur(8px);
}

.showcase-tag.purple { background-color: hsla(263, 75%, 60%, 0.2); color: hsl(263, 75%, 80%); border: 1px solid hsla(263, 75%, 60%, 0.3); }
.showcase-tag.cyan { background-color: hsla(199, 89%, 48%, 0.2); color: hsl(199, 89%, 80%); border: 1px solid hsla(199, 89%, 48%, 0.3); }
.showcase-tag.emerald { background-color: hsla(142, 72%, 47%, 0.2); color: hsl(142, 72%, 80%); border: 1px solid hsla(142, 72%, 47%, 0.3); }

.showcase-img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

/* Adjust colors of mockup for simulated previews */
.style-hue-simulate {
    filter: hue-rotate(40deg) saturate(1.1);
}
.style-hue-dashboard {
    filter: hue-rotate(100deg) brightness(0.9);
}

/* ==========================================
   SYSTEM REQUIREMENTS SECTION
   ========================================== */
.requirements-section {
    padding: 100px 0;
}

.requirements-wrapper {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.req-info {
    position: relative;
    z-index: 1;
}

.req-info .section-title {
    margin-bottom: 12px;
}

.req-description {
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
}

.requirements-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.req-card {
    display: flex;
    gap: 20px;
}

.req-icon {
    width: 48px;
    height: 48px;
    background-color: hsla(199, 89%, 48%, 0.08);
    border: 1px solid var(--border-glow);
    color: var(--color-cyan);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.req-detail h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
    font-family: 'Outfit', sans-serif;
}

.req-detail p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

/* ==========================================
   DOWNLOAD SECTION
   ========================================== */
.download-section {
    padding-bottom: 120px;
}

.download-box {
    border-radius: 24px;
    padding: 64px 48px;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.download-glow-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, hsla(199, 89%, 48%, 0.12) 0%, hsla(263, 75%, 60%, 0.08) 50%, transparent 100%);
    z-index: 0;
    filter: blur(50px);
    pointer-events: none;
}

.download-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.download-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    color: var(--color-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    background-color: var(--color-cyan-glow);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid var(--border-glow);
}

.download-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-text {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    max-width: 620px;
    margin: 0 auto 48px auto;
}

.download-actions-grid {
    display: flex;
    justify-content: center;
    margin-bottom: 64px;
}

.download-btn-main {
    display: flex;
    align-items: center;
    gap: 20px;
    background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-purple) 100%);
    color: var(--color-text-primary);
    padding: 18px 36px;
    border-radius: 16px;
    font-family: 'Outfit', sans-serif;
    box-shadow: var(--shadow-neon-cyan), 0 20px 40px -15px hsla(199, 89%, 48%, 0.3);
    transition: var(--transition-spring);
    max-width: 480px;
    width: 100%;
    text-align: left;
}

.download-btn-main:hover {
    transform: scale(1.03) translateY(-4px);
    box-shadow: 0 0 35px hsla(190, 89%, 48%, 0.45), 0 0 35px hsla(263, 75%, 60%, 0.35);
}

.download-btn-main i {
    font-size: 2.2rem;
}

.dl-btn-text {
    display: flex;
    flex-direction: column;
}

.dl-primary-text {
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.2;
}

.dl-secondary-text {
    font-size: 0.85rem;
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    opacity: 0.85;
    margin-top: 2px;
}

/* Setup Guide Styling */
.setup-guide {
    border-top: 1px solid var(--border-color);
    padding-top: 48px;
    text-align: left;
}

.setup-guide h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 28px;
    text-align: center;
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    background-color: hsla(222, 47%, 4%, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.step-number {
    position: absolute;
    top: 12px;
    right: 16px;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 3rem;
    color: hsla(199, 89%, 48%, 0.08);
    line-height: 1;
}

.step-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-cyan);
}

.step-card p {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    border-top: 1px solid var(--border-color);
    background-color: hsl(224, 71%, 2%);
    padding: 48px 0;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.footer-left {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-desc {
    font-size: 0.85rem;
    max-width: 320px;
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.footer-links {
    display: flex;
    gap: 20px;
    font-size: 0.85rem;
}

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

/* ==========================================
   ANIMATIONS & KEYFRAMES
   ========================================== */
@keyframes pulse-glow {
    0% { transform: scale(1); box-shadow: 0 0 8px var(--color-cyan); }
    50% { transform: scale(1.2); box-shadow: 0 0 16px var(--color-cyan), 0 0 24px var(--color-cyan); }
    100% { transform: scale(1); box-shadow: 0 0 8px var(--color-cyan); }
}

@keyframes tab-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes micro-bump {
    0% { transform: translateX(0); }
    50% { transform: translateX(4px); }
    100% { transform: translateX(0); }
}

/* Scroll Trigger and Loading Animations */
.animate-fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scale-up {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    animation: fade-in-up 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fade-in-up {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ==========================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    
    .hero-content {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-subtitle {
        margin: 0 auto 32px auto;
    }
    
    .hero-actions {
        justify-content: center;
        width: 100%;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .showcase-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .showcase-content-wrapper {
        min-height: auto;
    }
    
    .showcase-visual-wrapper {
        order: -1;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .git-text {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.6rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .download-box {
        padding: 40px 24px;
    }
    
    .download-title {
        font-size: 2.2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }
    
    .footer-right {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        gap: 16px;
    }
    
    .btn {
        width: 100%;
    }
    
    .showcase-tabs {
        flex-direction: column;
        width: 100%;
    }
    
    .tab-btn {
        width: 100%;
        justify-content: center;
    }
    
    .requirements-wrapper {
        padding: 32px 20px;
    }
}