/* ============================================================
   VARIABLES & RESET
   ============================================================ */

:root {
    /* Colors */
    --bg-dark: #0a0a0a;
    --bg-darker: #050505;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --accent-gold: #eebb55;
    --accent-gold-dark: #d4a84e;
    
    /* Glass Effect */
    --glass-bg: rgba(20, 20, 20, 0.4);
    --glass-bg-light: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: 12px;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 100px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Performance Optimizations */
/* section:not(.hero) {
    content-visibility: auto; 
    contain-intrinsic-size: 1px 800px; 
} */

.browser-mockup, 
.pillar-card, 
.feature-item, 
.contribute-card {
    will-change: transform, opacity;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Cinzel', serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #f0d78c 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    color: var(--bg-dark);
    box-shadow: 0 4px 20px rgba(238, 187, 85, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(238, 187, 85, 0.4);
}

.btn-secondary {
    background: var(--glass-bg-light);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(var(--glass-blur));
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

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

.btn-outline:hover {
    background: var(--glass-bg-light);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.05rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.nav-brand i {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: var(--transition-smooth);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    gap: 10px;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.8rem;
    cursor: pointer;
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .nav-cta {
        gap: 8px;
    }
    
    .nav-cta .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 120px 0 60px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at top, rgba(238, 187, 85, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(238, 187, 85, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.hero-title {
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.stat i {
    font-size: 1.3rem;
    color: var(--accent-gold);
}

.hero-visual {
    animation: fadeInRight 1s ease-out;
}

.browser-mockup {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(var(--glass-blur));
}

.browser-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
}

.browser-dots {
    display: flex;
    gap: 6px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.browser-url {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
}

.browser-content {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

/* ============================================================
   SECTIONS COMMON
   ============================================================ */

section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease-out;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 15px auto 0;
}

/* ============================================================
   SOBRE SECTION
   ============================================================ */

.section-sobre {
    background: radial-gradient(ellipse at center, rgba(238, 187, 85, 0.03) 0%, transparent 70%);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.pillar-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    backdrop-filter: blur(var(--glass-blur));
    transition: var(--transition-smooth);
    animation: fadeInUp 0.6s ease-out;
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: rgba(238, 187, 85, 0.3);
    box-shadow: 0 10px 40px rgba(238, 187, 85, 0.1);
}

.pillar-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(238, 187, 85, 0.1) 0%, rgba(238, 187, 85, 0.05) 100%);
    border-radius: 12px;
    font-size: 1.8rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.pillar-card h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.pillar-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.philosophy-quote {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    animation: fadeIn 0.8s ease-out;
}

.philosophy-quote i {
    font-size: 3rem;
    color: var(--accent-gold);
    opacity: 0.2;
    margin-bottom: 20px;
}

.philosophy-quote blockquote {
    font-family: 'Cinzel', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */

.section-features {
    background: var(--bg-darker);
}

.feature-category {
    margin-bottom: 60px;
}

.feature-category:last-child {
    margin-bottom: 0;
}

.feature-category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--glass-border);
}

.feature-category-header i {
    font-size: 1.8rem;
    color: var(--accent-gold);
}

.feature-category-header h3 {
    font-size: 1.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 25px;
    backdrop-filter: blur(var(--glass-blur));
    transition: var(--transition-smooth);
}

.feature-item:hover {
    transform: translateY(-3px);
    border-color: rgba(238, 187, 85, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(238, 187, 85, 0.1);
    border-radius: 10px;
    font-size: 1.5rem;
    color: var(--accent-gold);
    margin-bottom: 15px;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.feature-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================================
   DEMO SECTION
   ============================================================ */

.section-demo {
    background: radial-gradient(ellipse at center, rgba(238, 187, 85, 0.05) 0%, transparent 70%);
}

.demo-container {
    max-width: 900px;
    margin: 0 auto;
}

.demo-video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    backdrop-filter: blur(var(--glass-blur));
}

.demo-video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.demo-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.demo-placeholder i {
    font-size: 4rem;
    margin-bottom: 15px;
    color: var(--accent-gold);
    opacity: 0.5;
}

/* ============================================================
   OPEN SOURCE SECTION
   ============================================================ */

.section-opensource {
    background: var(--bg-darker);
}

.opensource-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.opensource-principles {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin: 30px 0;
}

.principle {
    display: flex;
    gap: 15px;
}

.principle i {
    font-size: 1.8rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.principle h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

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

.opensource-quote {
    background: var(--glass-bg);
    border-left: 3px solid var(--accent-gold);
    padding: 20px;
    border-radius: 8px;
    margin-top: 30px;
}

.opensource-quote i {
    font-size: 1.5rem;
    color: var(--accent-gold);
    opacity: 0.3;
    margin-bottom: 10px;
}

.opensource-quote p {
    font-style: italic;
    color: var(--text-secondary);
    line-height: 1.7;
}

.code-window {
    background: #1a1a1a;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.code-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--glass-border);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
}

.code-header span {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-family: 'Courier New', monospace;
}

.code-content {
    padding: 20px;
}

.code-content pre {
    margin: 0;
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

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

/* ============================================================
   CONTRIBUTE SECTION
   ============================================================ */

.contribute-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.contribute-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 35px;
    text-align: center;
    backdrop-filter: blur(var(--glass-blur));
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contribute-card:hover {
    transform: translateY(-5px);
    border-color: rgba(238, 187, 85, 0.3);
}

.contribute-icon {
    width: 60px;
    height: 60px;
    background: rgba(238, 187, 85, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent-gold);
    font-size: 1.5rem;
}

.contribute-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.contribute-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.share-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* ============================================================
   ROADMAP SECTION
   ============================================================ */

.section-roadmap {
    background: var(--bg-darker);
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--glass-border);
}

.roadmap-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 40px;
}

.roadmap-marker {
    position: absolute;
    left: 11px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 2px solid var(--accent-gold);
    z-index: 1;
}

.roadmap-item.completed .roadmap-marker {
    background: var(--accent-gold);
}

.roadmap-content {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 20px;
    backdrop-filter: blur(var(--glass-blur));
}

.roadmap-status {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 5px;
    display: block;
}

.roadmap-item.completed .roadmap-status {
    color: #4ade80;
}

.roadmap-content h4 {
    margin-bottom: 10px;
}

.roadmap-content ul {
    list-style-position: inside;
    color: var(--text-secondary);
}

/* ============================================================
   CREATOR SECTION
   ============================================================ */

.section-creator {
    background: radial-gradient(ellipse at center, rgba(238, 187, 85, 0.05) 0%, transparent 70%);
}

.creator-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: center;
}

.creator-photo {
    display: flex;
    justify-content: center;
}

.photo-placeholder {
    width: 200px;
    height: 200px;
    background: var(--glass-bg-light);
    border: 2px solid var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--text-muted);
    overflow: hidden;
}

.photo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.creator-info h2 {
    margin-bottom: 20px;
}

.creator-bio {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

.creator-journey {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    backdrop-filter: blur(var(--glass-blur));
}

.creator-journey h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.creator-links {
    display: flex;
    gap: 20px;
}

.creator-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.creator-link:hover {
    color: var(--accent-gold);
}

@media (max-width: 768px) {
    .creator-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .creator-links {
        justify-content: center;
    }
    
    .roadmap-timeline {
        padding-left: 10px;
    }
}

/* ============================================================
   FAQ SECTION
   ============================================================ */

.section-faq {
    background: var(--bg-darker);
}

.faq-grid {
    display: grid;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
}

.faq-question i {
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    display: none;
    animation: fadeIn 0.3s ease;
}

.faq-item.active .faq-answer {
    display: block;
}

/* ============================================================
   CTA FINAL SECTION
   ============================================================ */

.section-cta {
    text-align: center;
    padding: 100px 0;
    background: radial-gradient(circle, rgba(238, 187, 85, 0.1) 0%, transparent 60%);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content > i {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 20px;
}

.cta-content h2 {
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.cta-note {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--glass-border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 3fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Cinzel', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
}

.footer-logo i {
    font-size: 1.8rem;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-column h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 12px;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-column a:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 30px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom p {
    margin-bottom: 10px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

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

    .footer-logo {
        justify-content: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ============================================================
   MODAL (Testimonial)
   ============================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-dark);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    padding: 30px;
    transform: scale(0.9);
    transition: var(--transition-bounce);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

/* Install popup header: icon + title grouped together */
#install-popup .modal-header {
    justify-content: flex-start;
    gap: 12px;
}

#install-popup .modal-header i {
    font-size: 1.8rem;
    color: var(--accent-gold);
}

#install-popup .modal-header h2 {
    font-size: 1.5rem;
    margin: 0;
}

#install-popup .modal-content {
    position: relative;
}

#install-popup .modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
}

.modal-header h3 {
    font-size: 1.5rem;
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: var(--glass-bg-light);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-group input {
    width: auto;
}

.checkbox-group label {
    margin: 0;
    font-size: 0.9rem;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================================
   COMPARISON SECTION - Adicione ao styles.css
   ============================================================ */

.section-comparison {
    background: var(--bg-darker);
    position: relative;
    overflow: hidden;
}

.section-comparison::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(238, 187, 85, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.comparison-container {
    max-width: 1100px;
    margin: 0 auto;
}

/* ============================================================
   COMPARISON WRAPPER & SLIDER
   ============================================================ */

.comparison-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    margin-bottom: 50px;
    cursor: ew-resize;
    user-select: none;
    /* Entrance animation */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.comparison-wrapper.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Skeleton loading shimmer */
.comparison-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    background: linear-gradient(110deg, 
        rgba(30, 30, 30, 1) 0%,
        rgba(30, 30, 30, 1) 30%,
        rgba(50, 50, 45, 0.8) 50%,
        rgba(30, 30, 30, 1) 70%,
        rgba(30, 30, 30, 1) 100%
    );
    background-size: 200% 100%;
    animation: shimmerLoading 1.8s ease-in-out infinite;
    border-radius: 16px;
    pointer-events: none;
    transition: opacity 0.5s ease-out;
}

.comparison-wrapper.loaded::after {
    opacity: 0;
    pointer-events: none;
}

@keyframes shimmerLoading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.comparison-side {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

/* Before Side (shows on left) */
.comparison-before {
    z-index: 1;
}

/* After Side (clips to reveal on right) */
.comparison-after {
    z-index: 2;
    clip-path: inset(0 0 0 5%);
    transition: clip-path 0.05s ease-out;
    /* Hardware acceleration to prevent jitter */
    will-change: clip-path;
    transform: translateZ(0);
}

/* Labels */
.comparison-label {
    position: absolute;
    top: 20px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.label-before {
    left: 20px;
    color: rgba(255, 255, 255, 0.7);
}

.label-after {
    right: 20px;
    color: var(--accent-gold);
}

/* ============================================================
   SLIDER HANDLE
   ============================================================ */

.comparison-slider {
    position: absolute;
    top: 0;
    left: 5%;
    width: 4px;
    height: 100%;
    z-index: 3;
    transform: translateX(-50%) translateZ(0); /* Force GPU */
    transition: left 0.05s ease-out;
    will-change: left;
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.slider-line {
    flex: 1;
    width: 3px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(238, 187, 85, 0.5) 10%,
        rgba(238, 187, 85, 0.9) 50%,
        rgba(238, 187, 85, 0.5) 90%,
        transparent 100%
    );
}

.slider-button {
    width: 50px;
    height: 50px;
    background: var(--accent-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 0 0 4px rgba(10, 10, 10, 0.8),
        0 4px 20px rgba(238, 187, 85, 0.4);
    pointer-events: all;
    cursor: ew-resize;
    transition: transform 0.2s ease;
}

.slider-button:hover {
    transform: scale(1.1);
}

.slider-button i {
    font-size: 1.5rem;
    color: var(--bg-dark);
    animation: slideHint 2s ease-in-out infinite;
}

@keyframes slideHint {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}

/* Active state */
.comparison-wrapper.dragging .slider-button {
    transform: scale(1.15);
}

.comparison-wrapper.dragging .slider-button i {
    animation: none;
}

/* Disable transitions during drag/animation to prevent jitter/trembling */
.comparison-wrapper.dragging .comparison-slider,
.comparison-wrapper.dragging .comparison-after,
.comparison-wrapper.animating .comparison-slider,
.comparison-wrapper.animating .comparison-after {
    transition: none;
}

/* ============================================================
   HIGHLIGHTS BELOW COMPARISON
   ============================================================ */

.comparison-highlights {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: center;
    margin-top: 20px;
}

.highlight-item {
    display: flex;
    gap: 15px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 25px;
    backdrop-filter: blur(var(--glass-blur));
    /* Entrance animation with stagger */
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out, border-color 0.3s ease, box-shadow 0.3s ease;
}

.highlight-item.in-view {
    opacity: 1;
    transform: translateY(0);
}

.highlight-item:nth-child(1).in-view {
    transition-delay: 0.1s;
}

.highlight-item:nth-child(3).in-view {
    transition-delay: 0.2s;
}

.highlight-item > i {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-before > i {
    color: #f87171;
}

.highlight-after > i {
    color: #4ade80;
}

.highlight-item h4 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.highlight-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.highlight-item li {
    padding: 5px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

.highlight-item li::before {
    content: '•';
    position: absolute;
    left: 5px;
}

.highlight-before li::before {
    color: #f87171;
}

.highlight-after li::before {
    color: #4ade80;
}

.highlight-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border-radius: 50%;
    color: var(--bg-dark);
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(238, 187, 85, 0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
    .comparison-highlights {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .highlight-divider {
        display: none;
    }

    .highlight-item {
        flex-direction: column;
        text-align: center;
    }

    .highlight-item > i {
        margin: 0 auto;
    }

    .highlight-item li {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .comparison-wrapper {
        aspect-ratio: 4 / 3;
    }

    .comparison-label {
        font-size: 0.75rem;
        padding: 6px 12px;
        top: 15px;
    }

    .label-before {
        left: 15px;
    }

    .label-after {
        right: 15px;
    }

    .slider-button {
        width: 40px;
        height: 40px;
    }

    .slider-button i {
        font-size: 1.2rem;
    }

    .highlight-item {
        padding: 20px;
    }
}

/* ============================================================
   MOBILE NAVIGATION & IMPROVEMENTS (< 768px)
   ============================================================ */

@media (max-width: 1024px) {
    /* Mobile Menu Overlay */
    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%; /* Hidden by default */
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98); /* Less transparent for readability */
        backdrop-filter: blur(20px);
        padding: 80px 30px 30px;
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
        border-left: 1px solid var(--glass-border);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
        gap: 20px;
    }

    .nav-links.active {
        right: 0; /* Slide in */
    }

    .nav-links a {
        font-size: 1.2rem;
        padding: 10px 0;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        display: block;
    }
    
    .nav-links a:hover {
        padding-left: 10px;
    }

    /* Dim background when menu open */
    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.7);
        z-index: 998;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
        backdrop-filter: blur(2px);
    }

    .mobile-menu-overlay.active {
        opacity: 1;
        pointer-events: all;
    }
    
    /* Toggle Button Animation */
    .mobile-menu-toggle {
        z-index: 1001; /* Above menu */
        position: relative;
    }
}

/* ============================================================
   SMALL MOBILE ADJUSTMENTS (< 480px)
   ============================================================ */

@media (max-width: 480px) {
    /* Global Container */
    .container {
        padding: 0 15px;
    }

    /* Typography Scaling */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.35rem; }
    .section-header { margin-bottom: 40px; }
    
    /* Hero Section */
    .hero {
        padding-top: 100px;
        padding-bottom: 40px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Comparison Section */
    .section-comparison::before {
        width: 300px; 
        height: 300px; 
    }
    
    .comparison-wrapper {
        aspect-ratio: 1 / 1; /* More square on mobile */
        margin-bottom: 30px;
    }
    
    .comparison-label {
        padding: 4px 10px;
        font-size: 0.7rem;
    }

    /* Modal */
    .modal-content {
        width: 95%;
        padding: 20px;
        margin: 10px;
    }
    
    .modal-header h3 {
        font-size: 1.25rem;
    }
    
    /* Footer */
    .footer-content {
        gap: 30px;
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    /* Cards & Grids */
    .features-grid, .pillars-grid, .contribute-grid {
        grid-template-columns: 1fr; /* Force single column */
    }
    
    .pillar-card, .feature-item, .contribute-card {
        padding: 20px;
    }
}

/* ============================================================
   EXTRA SMALL MOBILE ADJUSTMENTS (< 350px)
   ============================================================ */

@media (max-width: 350px) {
    h1 { font-size: 1.75rem; }
    
    .nav-brand span {
        display: none; /* Hide text if too tight */
    }
    
    .nav-brand i {
        font-size: 1.5rem;
    }
    
    .nav-cta .btn span {
        display: none; /* Hide text, show only icon */
    }
    
    .nav-cta .btn {
        padding: 8px;
    }
}

/* ============================================================
   SPECIFIC FIXES
   ============================================================ */

@media (max-width: 450px) {
    /* Header Buttons: Icon Only */
    .nav-cta .btn span {
        display: none;
    }
    
    .nav-cta .btn {
        padding: 8px; /* Square-ish buttons */
        aspect-ratio: 1/1;
        justify-content: center;
    }
    
    .nav-cta {
        gap: 5px;
    }
}

@media (max-width: 400px) {
    /* Open Source Section Fixes */
    .opensource-quote {
        padding: 15px;
        margin-top: 20px;
    }
    
    .opensource-quote i {
        font-size: 1.2rem;
    }
    
    .opensource-quote p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .opensource-visual {
        width: 100%;
        overflow: hidden; /* Prevent horizontal scroll on body */
    }
    
    .code-window {
        max-width: 100%;
        border-radius: 8px;
    }
    
    .code-content {
        padding: 15px;
        overflow-x: auto; /* Scrolly code */
    }
    
    .code-content pre {
        font-size: 0.75rem; /* Smaller code font */
        white-space: pre-wrap; /* Wrap long lines if possible, or keep scrolling */
    }
}

/* ============================================================
   TOUCH SUPPORT
   ============================================================ */

@media (hover: none) and (pointer: coarse) {
    .comparison-wrapper {
        cursor: default;
    }

    .slider-button {
        width: 60px;
        height: 60px;
    }

    .slider-button i {
        font-size: 1.8rem;
    }
}

/* ============================================================
   MANUAL INSTALL INFO & POPUP
   ============================================================ */



.manual-info-content {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(238, 187, 85, 0.05); /* Gold tint */
    border: 1px solid rgba(238, 187, 85, 0.2);
    border-radius: 12px;
    padding: 20px 30px;
    max-width: 800px;
    margin: 0 auto;
}

.manual-info-content > i {
    font-size: 2rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.manual-info-content > div {
    flex: 1;
}

.manual-info-content h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.manual-info-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

.manual-info-content a {
    color: var(--accent-gold);
    text-decoration: none;
    font-weight: 600;
}

.manual-info-content a:hover {
    text-decoration: underline;
}

.manual-info-content .btn {
    white-space: nowrap;
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

/* Modal Body & Footer Enhancements */
.modal-body {
    margin-bottom: 30px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-body p {
    margin-bottom: 15px;
}

.modal-body strong {
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .manual-info-content {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }

    .manual-info-content .btn {
        width: 100%;
        justify-content: center;
    }

    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================================
   FEEDBACK MODAL FORMS
   ============================================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label:not(.radio-option):not(.checkbox-container) {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-gold);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(238, 187, 85, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Radio Group Styling */
.radio-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.radio-option {
    display: flex !important;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 12px 16px;
    margin-bottom: 0 !important;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    transition: var(--transition-smooth);
    user-select: none;
    position: relative;
    width: 100%;
}

@media (min-width: 481px) {
    .radio-option {
        width: auto; /* Auto width on larger screens */
        flex: 1; /* Distribute space evenly */
    }
}

.radio-option:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(238, 187, 85, 0.3);
}

/* Custom Radio Input */
.radio-option input[type="radio"] {
    appearance: none;
    background-color: transparent;
    margin: 0;
    width: 18px;
    height: 18px;
    border: 2px solid var(--text-muted);
    border-radius: 50%;
    display: grid;
    place-content: center;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.radio-option input[type="radio"]::before {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    transform: scale(0);
    transition: 0.15s transform ease-in-out;
    box-shadow: inset 1em 1em var(--accent-gold);
    background-color: var(--accent-gold);
}

.radio-option input[type="radio"]:checked {
    border-color: var(--accent-gold);
}

.radio-option input[type="radio"]:checked::before {
    transform: scale(1);
}

/* Clean Text Alignment */
.radio-option span {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: normal;
    padding-top: 1px; /* Micro adjustment for font baseline */
}

/* Checked State Styling */
.radio-option:has(input:checked) {
    background: rgba(238, 187, 85, 0.1);
    border-color: var(--accent-gold);
}

.radio-option:has(input:checked) span {
    color: var(--accent-gold);
    font-weight: 600;
}

/* Checkbox Styling */
.checkbox-group {
    margin-top: 15px;
}

.checkbox-container {
    display: flex !important;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 400 !important;
    margin-bottom: 0 !important;
    user-select: none;
    background: rgba(255, 255, 255, 0.03);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    transition: var(--transition-smooth);
    position: relative;
    width: 100%;
}

.checkbox-container:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(238, 187, 85, 0.3);
}

/* Visually Hidden Input (Standard Accessible Pattern) */
.checkbox-container input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.checkmark {
    position: relative;
    top: 2px; /* Eye-balled alignment with text */
    height: 20px;
    width: 20px;
    background-color: transparent;
    border: 2px solid var(--text-muted);
    border-radius: 4px;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

/* Direct Sibling Selectors for State */
.checkbox-container input:checked + .checkmark { /* If checkmark is immediate sibling */
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}
/* General Sibling if not immediate (safe fallback) */
.checkbox-container input:checked ~ .checkmark {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid var(--bg-dark);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.label-text {
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}

.checkbox-container input:checked ~ .label-text {
    color: var(--text-primary);
}