/* CSS Reset & Ultimate Premium Light Variables */
:root {
    --bg-base: #FAFAFA;
    
    /* Ethereal Pastel Ambient Colors */
    --orb-purple: #E9D5FF; 
    --orb-blue: #BAE6FD;   
    --orb-pink: #FCE7F3;   
    
    /* Premium Frosted Glass */
    --glass-bg: rgba(255, 255, 255, 0.5);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.05);
    --glass-inset: inset 0 0 0 1px rgba(255, 255, 255, 0.7);
    
    /* Typography: High Contrast Slate */
    --text-main: #020617; /* Slate 950 */
    --text-sub: #475569;  /* Slate 600 */
    --text-muted: #94A3B8; /* Slate 400 */
    
    /* Brand Accents */
    --accent-primary: #4F46E5; 
    --accent-secondary: #0EA5E9; 
    
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Fira Code', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Ambient Fixed Background System */
.ambient-bg {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -5;
    pointer-events: none;
    overflow: hidden;
    background: var(--bg-base);
}

.ambient-grid {
    position: absolute;
    inset: 0;
    background-size: 60px 60px;
    background-image: 
        linear-gradient(to right, rgba(15, 23, 42, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}

/* Floating Orbs - Now Fixed for beautiful scroll parallax effect */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.6;
}

.orb-1 {
    width: 800px; height: 800px;
    background: radial-gradient(circle, var(--orb-blue), transparent 70%);
    top: -10%; left: -10%;
    animation: breathe 30s infinite alternate ease-in-out;
}

.orb-2 {
    width: 900px; height: 900px;
    background: radial-gradient(circle, var(--orb-purple), transparent 70%);
    bottom: -20%; right: -10%;
    animation: breathe 40s infinite alternate-reverse ease-in-out;
}

.orb-3 {
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--orb-pink), transparent 70%);
    top: 40%; left: 50%;
    transform: translate(-50%, -50%);
    animation: drift 25s infinite alternate ease-in-out;
}

@keyframes breathe {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 0.8; }
}
@keyframes drift {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-30%, -70%) rotate(10deg); }
}

/* Ultra Premium Noise */
.noise-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Typography Masterclass */
h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    letter-spacing: -0.04em;
    font-weight: 700;
    color: var(--text-main);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glass Panel Standard */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 32px;
    position: relative;
}

/* Spacious Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Navigation & Language Switcher: see assets/css/common.css */

/* Buttons Standard */
.btn {
    padding: 18px 40px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 1.05rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--text-main); 
    color: #fff;
    box-shadow: 0 10px 25px -5px rgba(2, 6, 23, 0.3);
    border: 1px solid rgba(0,0,0,0.1);
}

.btn-primary:hover {
    box-shadow: 0 20px 35px -5px rgba(2, 6, 23, 0.4);
    transform: translateY(-3px) scale(1.01);
    background: #1E293B;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(0, 0, 0, 0.06);
    color: var(--text-main);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 20px -5px rgba(0,0,0,0.05);
}

/* Section Spacing - Masterpiece Level */
section {
    padding: 160px 0;
    position: relative;
}

/* Hero Section */
.hero {
    padding-top: 260px; /* Massive white space */
    padding-bottom: 120px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 80px;
}

.hero-content {
    flex: 1.1;
    max-width: 640px;
}

.badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; border-radius: 100px;
    font-size: 0.85rem; font-weight: 600; color: var(--text-sub);
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.04);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.02);
    letter-spacing: 0.02em;
}

.badge span { color: var(--accent-primary); display: flex; align-items: center; gap: 6px; white-space: nowrap; }

.hero-content h1 {
    font-size: 5.5rem; /* Massive heading */
    line-height: 1.05;
    margin-bottom: 32px;
    background: linear-gradient(135deg, #020617 0%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-sub);
    margin-bottom: 56px;
    font-weight: 400;
    max-width: 90%;
}

.hero-actions { display: flex; gap: 24px; }

/* Hero Graphic */
.hero-graphic {
    flex: 0.9;
    display: flex; justify-content: flex-end;
    position: relative; z-index: 10;
}

.hero-image-wrapper {
    width: 100%; max-width: 640px;
    position: relative;
    transform: perspective(1200px) rotateY(-8deg) rotateX(4deg);
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-image-wrapper:hover { transform: perspective(1200px) rotateY(0deg) rotateX(0deg) translateY(-10px); }

.hero-image-glass {
    background: rgba(255, 255, 255, 0.4);
    border-radius: 32px; padding: 16px;
    border: 1px solid rgba(255,255,255,0.7);
    backdrop-filter: blur(40px) saturate(150%);
    -webkit-backdrop-filter: blur(40px) saturate(150%);
    box-shadow: 0 50px 100px -20px rgba(15, 23, 42, 0.15), inset 0 1px 0 rgba(255,255,255,0.8);
}

.hero-image {
    width: 100%; height: auto; display: block; border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08); border: 1px solid rgba(0,0,0,0.04);
    background: linear-gradient(135deg, #F8FAFC, #E2E8F0);
}

.official-badge {
    position: absolute; bottom: -30px; left: -50px;
    background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(20px);
    padding: 20px 32px; border-radius: 24px;
    display: flex; align-items: center; gap: 20px;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
    border: 1px solid rgba(255,255,255,0.9); z-index: 20;
    transform: translateZ(50px);
}

.official-badge-icon {
    width: 64px; height: 64px;
    display: flex; align-items: center; justify-content: center;
}

.official-badge-text h4 { font-size: 1.2rem; margin: 0 0 4px 0; }
.official-badge-text p { font-size: 0.9rem; color: var(--accent-primary); margin: 0; font-weight: 600; }

/* Protocol Compatibility Section */
.protocol-support {
    padding: 52px 0;
    border-top: 1px solid rgba(0,0,0,0.04);
    border-bottom: 1px solid rgba(0,0,0,0.04);
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
}

.protocol-support-inner {
    display: flex;
    align-items: center;
    gap: 0;
}

.protocol-support-label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-right: 48px;
    border-right: 1px solid rgba(0,0,0,0.07);
    flex-shrink: 0;
}

.protocol-support-label .label-tag {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
}

.protocol-support-label .label-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.protocol-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding-left: 48px;
}

.protocol-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 20px;
    background: rgba(255,255,255,0.75);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 100px;
    backdrop-filter: blur(12px);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--text-sub);
    font-weight: 500;
    cursor: default;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.protocol-chip:hover {
    background: rgba(255,255,255,1);
    border-color: rgba(79, 70, 229, 0.25);
    color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.1);
}

.protocol-chip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-secondary);
    flex-shrink: 0;
}

/* Stats Section - Dark Card Design */
.stats { padding-top: 180px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.stat-card {
    background: linear-gradient(145deg, #0F172A 0%, #1a2744 100%);
    border-radius: 28px;
    padding: 48px 40px 44px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.35),
                inset 0 1px 0 rgba(255,255,255,0.05);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 50px 80px -15px rgba(15, 23, 42, 0.45);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 28px 28px 0 0;
}

.stat-card-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-secondary);
    font-size: 1.2rem;
    margin-bottom: 36px;
}

.stat-value {
    font-size: 4.5rem;
    font-family: var(--font-heading);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: #FFFFFF;
    margin-bottom: 14px;
}

.stat-value .stat-suffix {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3rem;
}

.stat-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.35);
    margin-bottom: 10px;
}

.stat-desc {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.45);
    line-height: 1.65;
    max-width: 200px;
}

.stat-card-ghost {
    position: absolute;
    bottom: -10px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 7rem;
    font-weight: 800;
    color: rgba(255,255,255,0.03);
    line-height: 1;
    pointer-events: none;
    letter-spacing: -0.05em;
    user-select: none;
}

/* Per-section top spacing overrides */
#config,
#features,
#downloads { padding-top: 220px; }
#faq { padding-top: 0; padding-bottom: 0; }
.config-section {
    display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}

.config-text h2 { font-size: 3.5rem; margin-bottom: 24px; line-height: 1.1; }
.config-text p { font-size: 1.2rem; color: var(--text-sub); margin-bottom: 32px; }

.config-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.config-list li { display: flex; align-items: flex-start; gap: 16px; font-size: 1.05rem; color: var(--text-sub); }
.config-list i { color: var(--accent-primary); font-size: 1.2rem; margin-top: 4px; }

.config-window {
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(30px); border-radius: 24px;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 40px 80px -20px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg); transition: transform 0.5s ease;
}
.config-window:hover { transform: perspective(1000px) rotateY(0deg); }

.config-header {
    background: rgba(0,0,0,0.3); padding: 16px 24px;
    display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.config-header .dot { width: 12px; height: 12px; border-radius: 50%; }
.config-header .dot:nth-child(1) { background: #FF5F56; }
.config-header .dot:nth-child(2) { background: #FFBD2E; }
.config-header .dot:nth-child(3) { background: #27C93F; }
.config-header .title { margin-left: 10px; font-family: var(--font-mono); color: #94A3B8; font-size: 0.85rem; }

.config-body { padding: 32px; overflow-x: auto; }
.config-body pre { font-family: var(--font-mono); font-size: 0.95rem; line-height: 1.6; color: #E2E8F0; }

/* Syntax highlighting mock */
.token.key { color: #818CF8; }
.token.string { color: #34D399; }
.token.comment { color: #64748B; }

/* Features */
.section-header { text-align: center; margin-bottom: 100px; max-width: 700px; margin-inline: auto; }
.section-header h2 { font-size: 3.5rem; margin-bottom: 24px; }
.section-header p { font-size: 1.25rem; color: var(--text-sub); }

.features-grid {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px;
}

.feature-card {
    padding: 60px;
    display: flex; flex-direction: column; gap: 32px;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover {
    transform: translateY(-8px); background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 40px 80px -15px rgba(15, 23, 42, 0.08); border-color: #FFFFFF;
}

.feature-icon {
    width: 72px; height: 72px; border-radius: 20px;
    background: #F1F5F9; display: flex; align-items: center; justify-content: center;
    font-size: 2rem; color: var(--text-main); border: 1px solid rgba(0,0,0,0.03);
    transition: all 0.4s ease;
}
.feature-card:hover .feature-icon { background: var(--text-main); color: #FFF; transform: scale(1.05); }

.feature-card h3 { font-size: 1.8rem; }
.feature-card p { color: var(--text-sub); font-size: 1.15rem; line-height: 1.7; margin-bottom: auto; }
.feature-tag { display: inline-block; padding: 6px 16px; background: rgba(0,0,0,0.04); border-radius: 8px; font-size: 0.85rem; color: var(--text-muted); font-weight: 600; margin-top: 10px; align-self: flex-start; width: fit-content; }

/* Downloads Section */
.platforms-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.platform-btn {
    display: flex; flex-direction: column; align-items: center; gap: 20px;
    padding: 48px 24px; text-align: center; transition: all 0.4s ease;
}
.platform-btn i { font-size: 3rem; color: var(--text-main); transition: color 0.4s ease; }
.platform-btn span { font-family: var(--font-heading); font-weight: 700; font-size: 1.2rem; color: var(--text-main); }
.platform-btn .platform-sub { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
.platform-btn:hover { transform: translateY(-8px); background: rgba(255, 255, 255, 0.9); border-color: #FFF; box-shadow: 0 30px 60px -15px rgba(15, 23, 42, 0.1); }
.platform-btn:hover i { color: var(--accent-primary); }

/* FAQ Section */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.faq-item { background: rgba(255,255,255,0.4); border: 1px solid rgba(255,255,255,0.8); border-radius: 20px; padding: 24px 28px; transition: all 0.3s ease; }
.faq-item:hover { background: rgba(255,255,255,0.6); transform: translateY(-4px); box-shadow: 0 12px 30px -10px rgba(0,0,0,0.05); }
.faq-item h4 { font-size: 1.15rem; margin-bottom: 12px; color: var(--text-main); font-weight: 700; }
.faq-item p { color: var(--text-sub); font-size: 1rem; line-height: 1.6; }

/* Footer: see assets/css/common.css */

/* Quick Start Section */
#quickstart { padding-top: 220px; }

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

.quickstart-step {
    padding: 52px 44px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.quickstart-step:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 40px 80px -15px rgba(15, 23, 42, 0.1);
    border-color: #FFFFFF;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 5rem;
    font-weight: 800;
    color: rgba(0, 0, 0, 0.035);
    position: absolute;
    top: 20px;
    right: 28px;
    line-height: 1;
    letter-spacing: -0.05em;
    pointer-events: none;
    user-select: none;
}

.step-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: #F1F5F9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: var(--accent-primary);
    margin-bottom: 28px;
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: all 0.4s ease;
}

.quickstart-step:hover .step-icon {
    background: var(--accent-primary);
    color: #fff;
    transform: scale(1.05);
}

.quickstart-step h3 { font-size: 1.55rem; margin-bottom: 14px; }
.quickstart-step p { color: var(--text-sub); font-size: 1.05rem; line-height: 1.75; }

@media (max-width: 1024px) {
    .quickstart-grid { grid-template-columns: 1fr; }
}

/* Scroll Animations */
.fade-up { opacity: 0; transform: translateY(50px); transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1); }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* Responsive - Header & Footer: see assets/css/common.css */
@media (max-width: 1024px) {
    .hero { flex-direction: column; text-align: center; padding-top: 200px; gap: 80px; }
    .hero-content { max-width: 800px; display: flex; flex-direction: column; align-items: center; }
    .hero-content h1 { font-size: 4.5rem; }
    .hero-image-wrapper { transform: none; max-width: 600px; margin: 0 auto; }
    .hero-image-wrapper:hover { transform: translateY(-10px); }
    .official-badge { left: 20px; bottom: -20px; transform: translateZ(0); }
    .config-section { grid-template-columns: 1fr; text-align: center; }
    .config-list { align-items: center; }
    .features-grid { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 0 28px; }
    section { padding: 80px 0; }
    .stats { padding-top: 80px; }
    #config, #features, #downloads, #quickstart { padding-top: 80px; }
    .stats-grid { grid-template-columns: 1fr; gap: 16px; }
    .stat-card { padding: 32px 24px; }
    .stat-value { font-size: 3rem; }
    .stat-value .stat-suffix { font-size: 2rem; }
    .section-header { margin-bottom: 48px; }
    .section-header h2 { font-size: 2rem; }
    .section-header p { font-size: 1rem; }
    .config-text h2 { font-size: 2rem; }
    .config-section { gap: 40px; }
    .feature-card { padding: 32px 24px; }
    .feature-card h3 { font-size: 1.4rem; }
    .protocol-support-inner { flex-direction: column; align-items: flex-start; gap: 24px; }
    .protocol-support-label { border-right: none; border-bottom: 1px solid rgba(0,0,0,0.07); padding-right: 0; padding-bottom: 20px; }
    .protocol-chips { padding-left: 0; }
    .hero-content h1 { font-size: 3.2rem; }
    .hero-actions {
        flex-direction: column;
        align-items: center;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
    .btn { width: 100%; justify-content: center; }
    .quickstart-step { padding: 36px 28px; }
    .faq-item { transform: none !important; }
}

@media (max-width: 480px) {
    .container { padding: 0 24px; }
    section { padding: 60px 0; }
    .badge {
        flex-direction: column;
        align-items: center;
        text-align: center;
        border-radius: 16px;
        padding: 8px 18px;
        gap: 3px;
        font-size: 0.78rem;
    }
    .hero { padding-top: 140px; padding-bottom: 60px; gap: 48px; }
    .hero-content h1 { font-size: 2.4rem; }
    .hero-content p { font-size: 1rem; }
    .official-badge { left: 0; bottom: -16px; padding: 14px 20px; gap: 12px; }
    .official-badge-icon { width: 48px; height: 48px; }
    .official-badge-text h4 { font-size: 1rem; }
    .section-header { padding: 0 12px; }
    .section-header h2 { font-size: 1.8rem; }
    .config-text h2 { font-size: 1.8rem; }
    .stat-value { font-size: 2.5rem; }
    .use-cases-grid { grid-template-columns: 1fr; padding: 0 25px; }
    .quickstart-grid { grid-template-columns: 1fr; padding: 0 25px; }
    .hero-actions { max-width: 280px; }
    .btn { padding: 14px 24px; font-size: 0.95rem; }
    .faq-grid { padding: 0 25px; }
    .feature-card { margin: 0 25px; }
    .platforms-container { padding: 0 25px; }
}

/* ==================== Use Cases Section ==================== */
#use-cases { padding-top: 160px; padding-bottom: 80px; }

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

.use-case-card {
    padding: 40px 36px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.use-case-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 24px 48px -12px rgba(15, 23, 42, 0.08);
    border-color: #fff;
}

.use-case-icon {
    width: 54px;
    height: 54px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.22);
}

.use-case-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

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

/* ==================== Comparison Section ==================== */
#comparison { padding-top: 80px; padding-bottom: 80px; }

.comparison-table-wrap {
    overflow-x: auto;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.06);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th {
    padding: 18px 20px;
    text-align: center;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--text-main);
    font-family: var(--font-heading);
    border-bottom: 2px solid rgba(0, 0, 0, 0.06);
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.7);
}

.comparison-table th:first-child {
    text-align: left;
    padding-left: 28px;
}

.comparison-table th.col-clash {
    background: rgba(79, 70, 229, 0.07);
    color: var(--accent-primary);
}

.comparison-table td {
    padding: 14px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    font-size: 0.88rem;
    color: var(--text-sub);
    vertical-align: middle;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.9rem;
    padding-left: 28px;
}

.comparison-table td.col-clash {
    background: rgba(79, 70, 229, 0.03);
    font-size: 0.85rem;
}

.comparison-table .icon-yes { color: #16a34a; font-size: 1rem; }
.comparison-table .icon-no  { color: #dc2626; font-size: 1rem; }
.comparison-table .icon-partial { color: #d97706; font-size: 0.85rem; font-weight: 700; }

.comparison-table tbody tr:last-child td { border-bottom: none; }

.comparison-table tbody tr:hover td { background: rgba(255, 255, 255, 0.6); }
.comparison-table tbody tr:hover td.col-clash { background: rgba(79, 70, 229, 0.05); }

@media (max-width: 1024px) {
    .use-cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .use-cases-grid { grid-template-columns: 1fr; }
    .comparison-table th,
    .comparison-table td { padding: 12px 14px; font-size: 0.8rem; }
    .comparison-table th:first-child,
    .comparison-table td:first-child { padding-left: 16px; }
}