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

:root {
    /* Primary Colors - Matching VGTec Dashboard Teal */
    --primary-700: #143d42;
    --primary-600: #1C545C;
    --primary-500: #256870;
    --primary-400: #2d7d87;
    --primary-300: #4a9da8;
    --primary-200: #7fc4cd;
    --primary-100: #c5e8ec;
    --primary-50: #e8f6f8;

    /* Background Colors - Light Theme */
    --bg-main: #F9FAFB;
    --bg-white: #FFFFFF;
    --bg-gray-50: #F3F4F6;
    --bg-gray-100: #E5E7EB;

    /* Text Colors */
    --text-primary: #1D2939;
    --text-secondary: #475467;
    --text-tertiary: #667085;
    --text-muted: #98A2B3;

    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;

    /* Shadows - Soft and subtle */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 8px -2px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.08), 0 4px 8px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 24px 48px -12px rgba(0, 0, 0, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --container-max: 1100px;
    --section-padding: 5rem 2rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0.875rem 2rem;
    background: var(--bg-white);
    border-bottom: 1px solid var(--bg-gray-100);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.nav-logo {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.nav-links a:hover {
    background: var(--bg-gray-50);
    color: var(--primary-600);
}

/* ===== Container ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, var(--bg-white) 0%, var(--bg-main) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ===== Futuristic Decorations ===== */
.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-400);
    border-radius: 50%;
    opacity: 0.4;
    animation: float-particle 15s ease-in-out infinite;
}

.particle::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: 50%;
    filter: blur(3px);
}

.p1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.p2 {
    top: 60%;
    left: 5%;
    animation-delay: -3s;
    width: 4px;
    height: 4px;
}

.p3 {
    top: 30%;
    right: 15%;
    animation-delay: -6s;
    width: 8px;
    height: 8px;
}

.p4 {
    top: 70%;
    right: 10%;
    animation-delay: -9s;
}

.p5 {
    top: 40%;
    left: 20%;
    animation-delay: -12s;
    width: 5px;
    height: 5px;
}

.p6 {
    top: 80%;
    left: 15%;
    animation-delay: -4s;
    width: 4px;
    height: 4px;
}

@keyframes float-particle {

    0%,
    100% {
        transform: translateY(0) translateX(0);
        opacity: 0.4;
    }

    25% {
        transform: translateY(-30px) translateX(10px);
        opacity: 0.7;
    }

    50% {
        transform: translateY(-20px) translateX(-10px);
        opacity: 0.3;
    }

    75% {
        transform: translateY(-40px) translateX(5px);
        opacity: 0.6;
    }
}

.circuit-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.circuit {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--primary-300), transparent);
    opacity: 0.15;
}

.c1 {
    width: 200px;
    height: 1px;
    top: 25%;
    left: 5%;
    transform: rotate(-15deg);
    animation: circuit-glow 4s ease-in-out infinite;
}

.c2 {
    width: 150px;
    height: 1px;
    bottom: 30%;
    right: 8%;
    transform: rotate(20deg);
    animation: circuit-glow 4s ease-in-out infinite 1.5s;
}

.c3 {
    width: 100px;
    height: 1px;
    top: 60%;
    left: 3%;
    transform: rotate(45deg);
    animation: circuit-glow 4s ease-in-out infinite 3s;
}

@keyframes circuit-glow {

    0%,
    100% {
        opacity: 0.1;
    }

    50% {
        opacity: 0.3;
    }
}

/* Tech Badge */
.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 1rem;
    animation: pulse-badge 3s ease-in-out infinite;
}

.tech-badge svg {
    color: var(--primary-500);
}

@keyframes pulse-badge {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(28, 84, 92, 0);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(28, 84, 92, 0.1);
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-600);
    letter-spacing: -0.02em;
    line-height: 1.15;
}

.hero-tagline {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-tertiary);
    margin-top: 1.25rem;
    max-width: 480px;
    line-height: 1.75;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-600);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--primary-700);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text-secondary);
    border: 1px solid var(--bg-gray-100);
}

.btn-secondary:hover {
    background: var(--bg-gray-50);
    border-color: var(--bg-gray-100);
    color: var(--text-primary);
}

.btn-large {
    padding: 1rem 1.75rem;
    font-size: 1rem;
}

.btn-version {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.85;
    margin-left: 0.25rem;
}

.file-size {
    font-size: 0.85rem;
    opacity: 0.75;
    margin-left: 0.25rem;
}

/* ===== Hero Logo Panel ===== */
.hero-logo-panel {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-showcase {
    width: 100%;
    max-width: 450px;
    min-height: 400px;
    background: var(--primary-600);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Grid pattern background */
.logo-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.logo-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-circle {
    width: 180px;
    height: 180px;
    background: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 2;
}

.showcase-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.showcase-title {
    margin-top: 1.75rem;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--bg-white);
    text-align: center;
    letter-spacing: 0.01em;
    position: relative;
    z-index: 1;
}

/* Corner Brackets Decoration */
.corner-bracket {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    z-index: 2;
}

.corner-bracket.top-left {
    top: 20px;
    left: 20px;
    border-right: none;
    border-bottom: none;
}

.corner-bracket.top-right {
    top: 20px;
    right: 20px;
    border-left: none;
    border-bottom: none;
}

.corner-bracket.bottom-left {
    bottom: 20px;
    left: 20px;
    border-right: none;
    border-top: none;
}

.corner-bracket.bottom-right {
    bottom: 20px;
    right: 20px;
    border-left: none;
    border-top: none;
}

/* Glowing Ring */
.glow-ring {
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-ring 3s ease-in-out infinite;
    z-index: 1;
}

.glow-ring::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    animation: rotate-ring 20s linear infinite;
}

@keyframes pulse-ring {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.8;
    }
}

@keyframes rotate-ring {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Status Indicator */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding: 0.4rem 0.875rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    z-index: 1;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: blink-dot 1.5s ease-in-out infinite;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

@keyframes blink-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.875rem;
    background: var(--primary-50);
    border: 1px solid var(--primary-100);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-600);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.section-tag svg {
    color: var(--primary-500);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 1.05rem;
    max-width: 550px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features-section {
    padding: var(--section-padding);
    background: var(--bg-white);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--bg-gray-100);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-card:hover::before {
    background: linear-gradient(90deg, var(--primary-400), var(--primary-300));
}

/* Featured card highlight */
.feature-card.featured {
    border-color: var(--primary-300);
    background: linear-gradient(180deg, var(--primary-50) 0%, var(--bg-white) 100%);
}

.feature-card.featured::before {
    background: linear-gradient(90deg, var(--primary-500), var(--primary-300));
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-50);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--primary-600);
    position: relative;
}

.feature-card.featured .feature-icon {
    background: var(--primary-600);
    color: var(--bg-white);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    line-height: 1.6;
}

.feature-tag {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.3rem 0.75rem;
    background: var(--bg-gray-50);
    border: 1px solid var(--bg-gray-100);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.feature-card.featured .feature-tag {
    background: var(--primary-100);
    border-color: var(--primary-200);
    color: var(--primary-600);
}

/* ===== Download Section ===== */
.download-section {
    padding: var(--section-padding);
    background: var(--bg-main);
}

.download-card {
    max-width: 480px;
    margin: 2.5rem auto;
    background: var(--bg-white);
    border: 1px solid var(--bg-gray-100);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-300));
}

/* Android Icon */
.download-icon {
    width: 72px;
    height: 72px;
    background: var(--primary-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--primary-600);
}

/* Platform Badge */
.platform-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.875rem;
    background: var(--bg-gray-50);
    border: 1px solid var(--bg-gray-100);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.platform-icon {
    font-size: 1rem;
}

.download-info {
    margin-bottom: 1.75rem;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.625rem;
}

.version-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
}

.version-tag {
    background: var(--primary-600);
    color: var(--bg-white);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.release-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Enhanced CTA Button */
.download-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: 100%;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 100%);
    color: var(--bg-white);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(28, 84, 92, 0.3);
    position: relative;
    overflow: hidden;
}

.download-cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.download-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(28, 84, 92, 0.4);
}

.download-cta-btn:hover::before {
    left: 100%;
}

.cta-icon {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cta-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex: 1;
}

.cta-title {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.cta-subtitle {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-top: 0.15rem;
}

.cta-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.cta-badge:empty {
    display: none;
}

/* Download Stats */
.download-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--bg-gray-100);
}

.download-stats .stat {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
}

.download-stats .stat svg {
    color: var(--success);
}

.requirements {
    max-width: 480px;
    margin: 2.5rem auto 0;
    background: var(--bg-white);
    border: 1px solid var(--bg-gray-100);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: left;
    box-shadow: var(--shadow-xs);
}

.requirements h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.requirements ul {
    list-style: none;
}

.requirements li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.375rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.requirements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

/* ===== Installation Section ===== */
.install-section {
    padding: var(--section-padding);
    background: var(--bg-white);
}

.install-steps {
    max-width: 650px;
    margin: 2.5rem auto 0;
}

.install-step {
    display: flex;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--bg-gray-100);
}

.install-step:last-child {
    border-bottom: none;
}

.step-number {
    width: 36px;
    height: 36px;
    background: var(--primary-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--bg-white);
    flex-shrink: 0;
}

.install-step.completed .step-number {
    background: var(--success);
}

.step-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.375rem;
}

.step-content p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.code-block {
    display: inline-block;
    background: var(--bg-main);
    border: 1px solid var(--bg-gray-100);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.875rem;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.85rem;
    color: var(--primary-600);
    margin-top: 0.625rem;
}

.tip {
    background: var(--primary-50);
    border: 1px solid var(--primary-100);
    border-radius: var(--radius-md);
    padding: 0.875rem 1rem;
    margin-top: 0.875rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.tip strong {
    color: var(--primary-600);
}

/* ===== Releases Section ===== */
.releases-section {
    padding: var(--section-padding);
    background: var(--bg-main);
}

.releases-list {
    max-width: 650px;
    margin: 2.5rem auto 0;
}

.loading-releases {
    text-align: center;
    padding: 2.5rem;
    color: var(--text-tertiary);
}

.spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--bg-gray-100);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    margin: 0 auto 0.875rem;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.release-item {
    background: var(--bg-white);
    border: 1px solid var(--bg-gray-100);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.875rem;
    box-shadow: var(--shadow-xs);
}

.release-item.latest {
    border-color: var(--primary-300);
}

.release-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.release-version {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.release-tag {
    background: var(--primary-600);
    color: var(--bg-white);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.release-date-text {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.release-download {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.release-download:hover {
    color: var(--primary-700);
}

.no-releases {
    text-align: center;
    padding: 2.5rem;
    color: var(--text-tertiary);
    background: var(--bg-white);
    border: 1px solid var(--bg-gray-100);
    border-radius: var(--radius-lg);
}

/* ===== Footer ===== */
.footer {
    padding: 1.75rem 2rem;
    background: var(--bg-white);
    border-top: 1px solid var(--bg-gray-100);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 1.75rem;
}

.footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-600);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 900px) {
    .nav-links {
        display: none;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2.5rem;
    }

    .hero-title {
        font-size: 2.75rem;
    }

    .hero-description {
        margin: 1.25rem auto 0;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-logo-panel {
        order: -1;
    }

    .logo-showcase {
        max-width: 350px;
        min-height: 320px;
        padding: 2.5rem;
    }

    .logo-circle {
        width: 150px;
        height: 150px;
    }

    .glow-ring {
        width: 185px;
        height: 185px;
    }

    .showcase-title {
        font-size: 1.2rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .tech-badge {
        font-size: 0.7rem;
        padding: 0.4rem 0.75rem;
    }

    .download-stats {
        gap: 1rem;
    }
}

@media (max-width: 600px) {
    :root {
        --section-padding: 3rem 1.25rem;
    }

    .navbar {
        padding: 0.75rem 1rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-tagline {
        font-size: 1.15rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }

    .logo-showcase {
        max-width: 280px;
        min-height: 260px;
        padding: 2rem;
    }

    .logo-circle {
        width: 120px;
        height: 120px;
    }

    .glow-ring {
        width: 150px;
        height: 150px;
    }

    .showcase-title {
        font-size: 1rem;
        margin-top: 1.25rem;
    }

    .status-indicator {
        font-size: 0.65rem;
        padding: 0.3rem 0.6rem;
    }

    .corner-bracket {
        width: 20px;
        height: 20px;
        top: 12px;
        left: 12px;
    }

    .corner-bracket.top-right {
        left: auto;
        right: 12px;
    }

    .corner-bracket.bottom-left {
        top: auto;
        bottom: 12px;
    }

    .corner-bracket.bottom-right {
        top: auto;
        left: auto;
        bottom: 12px;
        right: 12px;
    }

    .install-step {
        flex-direction: column;
        gap: 0.875rem;
    }

    .download-stats {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .download-cta-btn {
        padding: 0.875rem 1rem;
        gap: 0.75rem;
    }

    .cta-icon {
        width: 40px;
        height: 40px;
    }

    .cta-title {
        font-size: 1rem;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
}