:root {
    --primary: #3B82F6;
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #6366F1;
    --cta: #F97316;
    --bg: #0F172A;
    --surface: #1E293B;
    --surface-hover: #334155;
    --text: #F8FAFC;
    --text-dim: #94A3B8;
    --promo-bg: rgba(249, 115, 22, 0.1);
    --promo-border: rgba(249, 115, 22, 0.3);
    --radius-lg: 16px;
    --radius-md: 12px;
    --glass: rgba(30, 41, 59, 0.7);
    --border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(99, 102, 241, 0.1) 0%, transparent 40%);
}

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

/* Navbar */
nav {
    padding: 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    color: var(--primary);
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

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

/* Language Dropdown */
.lang-dropdown {
    position: relative;
}

.lang-trigger {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 30px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.lang-trigger:hover {
    border-color: var(--primary);
    background: var(--surface-hover);
}

.lang-menu {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    background: var(--surface);
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.5);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    padding: 6px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.lang-dropdown:hover .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-menu button {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px;
    text-align: left;
    font-size: 14px;
    transition: all 0.2s;
}

.lang-menu button:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text);
}

/* Promo Banner */
.promo-banner {
    background-color: var(--promo-bg);
    color: var(--cta);
    padding: 14px 24px;
    text-align: center;
    font-weight: 600;
    border-radius: 40px;
    margin-bottom: 60px;
    font-size: 14px;
    border: 1px solid var(--promo-border);
    backdrop-filter: blur(4px);
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 40px 0 100px;
}

.hero-badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 24px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.hero h1 {
    font-size: 72px;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 0.95;
    margin-bottom: 24px;
    background: linear-gradient(to bottom, #FFFFFF 50%, #94A3B8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-dim);
    max-width: 640px;
    margin-bottom: 48px;
    font-weight: 400;
}

/* Download Area */
.download-card {
    background: var(--surface);
    padding: 48px;
    border-radius: 24px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: 100%;
    max-width: 560px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.btn-main {
    background: var(--primary);
    color: white;
    padding: 18px 40px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 18px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    transition: all 0.2s;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-main:hover {
    background: #2563EB;
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

.os-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 600;
}

.os-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10B981;
}

/* Secondary Grid */
.alt-platforms {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn-sub {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-sub:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Bento Grid Features */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
    gap: 20px;
    margin-bottom: 120px;
}

.bento-item {
    background: var(--surface);
    border-radius: 20px;
    border: 1px solid var(--border);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    transition: transform 0.3s ease;
}

.bento-item:hover {
    transform: scale(1.02);
    border-color: rgba(59, 130, 246, 0.3);
}

.bento-item.large {
    grid-column: span 2;
    grid-row: span 1;
}

.bento-item.tall {
    grid-row: span 2;
}

.bento-icon {
    color: var(--primary);
    margin-bottom: auto;
    background: rgba(59, 130, 246, 0.1);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.bento-item h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.bento-item p {
    color: var(--text-dim);
    font-size: 14px;
}

/* Terminal Fix Section */
.terminal-box {
    background: #000;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin-bottom: 120px;
    position: relative;
}

.terminal-header {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
}

.dot { width: 12px; height: 12px; border-radius: 50%; }
.red { background: #FF5F56; }
.yellow { background: #FFBD2E; }
.green { background: #27C93F; }

.terminal-box h3 { margin-bottom: 16px; font-size: 18px; }
.terminal-box p { color: var(--text-dim); font-size: 15px; margin-bottom: 24px; }

.code-block {
    background: rgba(255, 255, 255, 0.05);
    padding: 16px 20px;
    border-radius: 8px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 14px;
    color: #10B981;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Footer */
footer {
    padding: 80px 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 14px;
    border-top: 1px solid var(--border);
}

footer a { color: var(--primary); text-decoration: none; }

@media (max-width: 1024px) {
    .bento-grid { grid-template-columns: 1fr 1fr; }
    .bento-item.large { grid-column: span 1; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 48px; }
    .bento-grid { grid-template-columns: 1fr; grid-auto-rows: auto; }
    .bento-item.tall { grid-row: span 1; }
}