/* --- THEME VARIABLES --- */
:root {
    --bg: #ffffff;
    --bg-alt: #f8f5ff;
    --text: #111827;
    --text-muted: #6b7280;
    --purple: #7c3aed;
    --purple-hover: #6d28d9;
    --border: #e5e7eb;
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.85);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] {
    --bg: #050509;
    --bg-alt: #0b0b12;
    --text: #ffffff;
    --text-muted: #a1a1aa;
    --purple: #8b5cf6;
    --purple-hover: #7c3aed;
    --border: #27272a;
    --card-bg: #11111a;
    --nav-bg: rgba(5, 5, 9, 0.85);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 10px 30px rgba(139, 92, 246, 0.1);
}

/* --- RESET & GLOBAL --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

/* --- UTILITIES --- */
.section {
    padding: 100px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.bg-alt {
    background-color: var(--bg-alt);
    max-width: 100%;
}
.bg-alt > div {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 5%;
}

.bg-purple {
    background: linear-gradient(135deg, var(--purple), #5b21b6);
    color: #ffffff;
    text-align: center;
    max-width: 100%;
}
.bg-purple p { color: #e5e7eb; }

.section-header {
    text-align: center;
    margin-bottom: 60px;
    max-width: 700px;
    margin-inline: auto;
}
.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}
.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}
.left-align {
    text-align: left;
    margin-inline: 0;
}

/* Typography Highlighting */
.highlight {
    background: linear-gradient(90deg, var(--purple), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--purple);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.badge.light {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.2s ease;
    cursor: pointer;
    border: 2px solid transparent;
}
.btn-primary {
    background: var(--purple);
    color: #ffffff !important;
}
.btn-primary:hover {
    background: var(--purple-hover);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}
.btn-outline:hover {
    border-color: var(--purple);
    color: var(--purple);
}
.btn-primary-light {
    background: #ffffff;
    color: var(--purple) !important;
}
.btn-primary-light:hover {
    background: #f8f5ff;
    transform: translateY(-2px);
}
.btn-outline-light {
    border-color: rgba(255,255,255,0.4);
    color: #fff !important;
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- NAVBAR --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--nav-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}
.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}
.nav-links {
    display: flex;
    gap: 30px;
}
.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
}
.nav-links a:hover {
    color: var(--text);
}
.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}
#theme-toggle {
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}
#theme-toggle svg { transition: transform 0.3s ease; }
#theme-toggle:hover svg { transform: rotate(15deg); }
[data-theme="light"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: none; }

.nav-download {
    padding: 8px 18px;
    font-size: 0.9rem;
}
.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    cursor: pointer;
}
.mobile-menu {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 5%;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transform: translateY(-150%);
    transition: transform 0.3s ease;
    z-index: 999;
}
.mobile-menu.active {
    transform: translateY(0);
}
.mobile-menu a {
    font-weight: 500;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

/* --- HERO --- */
.hero {
    padding: 150px 5% 100px;
    max-width: 1200px;
    margin: 0 auto;
}
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}
.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 90%;
}
.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}
.trust-points {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.trust-points span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}
.trust-points svg { color: var(--purple); }

/* Hero Visual Mockup */
.hero-visual {
    position: relative;
    perspective: 1000px;
}
.ae-mockup {
    background: #1e1e24; /* AE Panel dark color */
    border-radius: 6px;
    border: 1px solid #333;
    width: 320px;
    margin: 0 auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease;
    overflow: hidden;
    color: #ccc;
    font-family: -apple-system, sans-serif;
}
.ae-mockup:hover { transform: rotateY(0) rotateX(0); }
.ae-header {
    background: #2a2a32;
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #111;
}
.ae-title { font-size: 0.75rem; font-weight: 600; color: #fff; letter-spacing: 0.5px; }
.ae-actions { display: flex; gap: 4px; }
.dot { width: 10px; height: 10px; background: #444; border-radius: 50%; }
.ae-search-bar {
    margin: 12px;
    background: #111;
    border: 1px solid #333;
    padding: 8px 12px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    color: #666;
}
.ae-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    padding: 0 12px 18px;
}
.ae-icon {
    aspect-ratio: 1;
    background: #2a2a32;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    display: grid;
    place-items: center;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.ae-icon img {
    width: 24px;
    height: 24px;
    display: block;
    filter: invert(90%) opacity(0.9);
}
.ae-icon.active,
.ae-icon:hover {
    border-color: var(--purple);
    background: rgba(124, 58, 237, 0.15);
}
.ae-icon.active img,
.ae-icon:hover img {
    filter: invert(58%) sepia(88%) saturate(1945%) hue-rotate(228deg) brightness(103%) contrast(96%);
}.ae-footer {
    background: #2a2a32;
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #111;
}
.ae-timer { font-size: 0.75rem; color: var(--purple); font-variant-numeric: tabular-nums; }

/* --- STATS STRIP --- */
.stats {
    padding: 40px 5%;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}
.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}
.stat-item h4 { font-size: 2rem; color: var(--purple); margin-bottom: 5px; }
.stat-item p { font-size: 0.9rem; font-weight: 500; color: var(--text-muted); }

/* --- FEATURES --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}
.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--purple);
}
.icon-wrap {
    width: 48px;
    height: 48px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--purple);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}
.icon-wrap.small { width: 36px; height: 36px; border-radius: 8px; margin-bottom: 0; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; min-height: 45px; }
.tool-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-tags span {
    font-size: 0.75rem;
    padding: 4px 10px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
}

/* --- CUSTOMIZATION --- */
.customization-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.cust-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}
.cust-item h4 { font-size: 1.1rem; margin-bottom: 4px; }
.cust-item p { font-size: 0.9rem; color: var(--text-muted); }

.customization-visual { position: relative; }
.settings-mockup {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}
.mockup-header {
    font-weight: 600;
    font-size: 1.1rem;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 20px;
}
.setting-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    font-size: 0.9rem;
    font-weight: 500;
}
.slider-track {
    width: 100px; height: 6px; background: var(--bg-alt); border-radius: 3px; position: relative;
}
.slider-track::before {
    content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 60%; background: var(--purple); border-radius: 3px;
}
.slider-thumb {
    width: 14px; height: 14px; background: #fff; border: 2px solid var(--purple); border-radius: 50%;
    position: absolute; left: 60%; top: 50%; transform: translate(-50%, -50%); box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.toggle {
    width: 40px; height: 22px; background: var(--border); border-radius: 11px; position: relative; transition: 0.3s;
}
.toggle.active { background: var(--purple); }
.toggle-knob {
    width: 18px; height: 18px; background: #fff; border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: 0.3s;
}
.toggle.active .toggle-knob { transform: translateX(18px); }
.shortcut-box {
    background: var(--bg-alt); border: 1px solid var(--border); padding: 4px 10px; border-radius: 6px; font-size: 0.75rem; color: var(--text-muted);
}

/* --- PREVIEW --- */
.video-preview-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    aspect-ratio: 16/9;
    width: 100%;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.video-preview-card::before {
    content: ''; position: absolute; inset: 0; background: linear-gradient(45deg, rgba(124,58,237,0.05), transparent);
}
.play-overlay {
    text-align: center; color: var(--purple); z-index: 1; transition: transform 0.3s; cursor: pointer;
}
.video-preview-card:hover .play-overlay { transform: scale(1.05); }
.play-overlay p { margin-top: 15px; font-weight: 600; color: var(--text); }

/* --- DOWNLOAD --- */
.download-container { padding: 40px 0; }
.download-container h2 { font-size: 2.5rem; margin-bottom: 15px; }
.download-container .compatibility { font-size: 0.9rem; opacity: 0.8; margin-bottom: 30px; }
.hero-buttons.center { justify-content: center; }

/* --- INSTALL --- */
.install-steps {
    display: flex;
    gap: 20px;
    justify-content: space-between;
    flex-wrap: wrap;
}
.step-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    padding: 25px 20px;
    border-radius: 12px;
    text-align: center;
    flex: 1 1 160px;
    position: relative;
    box-shadow: var(--shadow);
}
.step-num {
    width: 32px; height: 32px; background: var(--purple); color: #fff; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.9rem;
    margin: 0 auto 15px;
}
.step-card p { font-size: 0.95rem; font-weight: 500; }
/* Connectors */
@media (min-width: 900px) {
    .step-card:not(:last-child)::after {
        content: '->'; position: absolute; right: -18px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 1.2rem;
    }
}

/* --- FAQ --- */
.faq-container { max-width: 800px; margin: 0 auto; }
.accordion-item { border: 1px solid var(--border); border-radius: 12px; margin-bottom: 15px; background: var(--card-bg); overflow: hidden; }
.accordion-header {
    width: 100%; text-align: left; padding: 20px; background: none; border: none; font-size: 1.05rem; font-weight: 600; color: var(--text); cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.accordion-header .chevron { transition: transform 0.3s ease; color: var(--purple); }
.accordion-content {
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 20px; color: var(--text-muted); font-size: 0.95rem;
}
.accordion-item.active .accordion-header .chevron { transform: rotate(180deg); }
.accordion-item.active .accordion-content { max-height: 320px; padding-bottom: 20px; }

/* --- CONTACT --- */
.contact-grid {
    display: flex; justify-content: center; gap: 30px; max-width: 900px; margin: 0 auto;
}
.contact-card {
    background: var(--card-bg); border: 1px solid var(--border); padding: 30px; border-radius: 16px;
    text-align: center; flex: 1; box-shadow: var(--shadow); transition: all 0.3s ease; display: flex; flex-direction: column; align-items: center;
}
.contact-card:hover { transform: translateY(-5px); border-color: var(--purple); }
.contact-img {
    width: 64px; height: 64px; object-fit: contain; margin-bottom: 15px;
}
.contact-info h3 { margin-bottom: 5px; font-size: 1.2rem; color: var(--text); }
.contact-info p { color: var(--text-muted); font-size: 0.9rem; }

/* --- FOOTER --- */
footer { border-top: 1px solid var(--border); padding: 60px 5% 30px; background: var(--bg); }
.footer-container { display: grid; grid-template-columns: 2fr 3fr; gap: 40px; max-width: 1200px; margin: 0 auto 40px; }
.footer-brand p { color: var(--text-muted); margin-top: 15px; font-size: 0.95rem; max-width: 300px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.link-group h4 { font-size: 1rem; margin-bottom: 15px; }
.link-group a { display: block; color: var(--text-muted); margin-bottom: 10px; font-size: 0.9rem; }
.link-group a:hover { color: var(--purple); }
.social-links a { display: flex; align-items: center; gap: 8px; }
.social-links img { width: 20px; height: 20px; object-fit: contain; border-radius: 5px; }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.85rem; }

/* --- MEDIA QUERIES --- */
@media (max-width: 900px) {
    .hero-container, .customization-container { grid-template-columns: 1fr; }
    .hero { padding-top: 120px; text-align: center; }
    .hero h1 { font-size: 2.8rem; }
    .hero p { margin: 0 auto 30px; }
    .hero-buttons { justify-content: center; }
    .trust-points { justify-content: center; }
    .ae-mockup { margin-top: 20px; }
    
    .install-steps { flex-direction: column; }
    .footer-container { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-download { display: none; }
    .menu-btn { display: block; }
    
    .contact-grid { flex-direction: column; }
    .stats-container { justify-content: center; }
    .stat-item { width: 45%; text-align: center; margin-bottom: 15px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .hero { padding: 120px 5% 80px; overflow-x: hidden; }
    .hero-container,
    .hero-content,
    .hero-visual { min-width: 0; width: 100%; }
    .hero h1 { max-width: 330px; margin-inline: auto; font-size: 2rem; letter-spacing: 0; overflow-wrap: break-word; }
    .hero p { max-width: 330px; margin-inline: auto; font-size: 1rem; overflow-wrap: break-word; }
    .hero-buttons { flex-direction: column; align-items: stretch; width: 100%; max-width: 320px; margin-inline: auto; }
    .trust-points { max-width: 320px; margin-inline: auto; justify-content: center; gap: 14px; }
    .ae-mockup { width: min(320px, calc(100vw - 40px)); }
}