/* Krypton Client - Theme: dark with green accent */
:root {
    --bg-dark: #0a0f0a;
    --bg-card: #0f1610;
    --bg-elevated: #141c14;
    --text: #e8f0e8;
    --text-muted: #8b9e8b;
    --accent: #22c55e;
    --accent-dim: #16a34a;
    --accent-glow: rgba(34, 197, 94, 0.4);
    --border: #2d3d2d;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-fluid {
    max-width: 100%;
    padding: 0 1rem;
    overflow: hidden;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 10, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
}

.logo img {
    height: 36px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.logo:hover {
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

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

/* Hero */
.hero {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}

.hero-container {
    max-width: 720px;
}

.hero-logo-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.hero-logo {
    max-width: min(580px, 92vw);
    height: auto;
    filter: drop-shadow(0 0 30px var(--accent-glow)) drop-shadow(0 0 60px rgba(34, 197, 94, 0.25));
    animation: logo-glow 2.5s ease-in-out infinite;
}

@keyframes logo-glow {
    0%, 100% { filter: drop-shadow(0 0 25px var(--accent-glow)) drop-shadow(0 0 50px rgba(34, 197, 94, 0.2)); }
    50% { filter: drop-shadow(0 0 40px var(--accent-glow)) drop-shadow(0 0 80px rgba(34, 197, 94, 0.35)); }
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* Download card with glowing outline and animation */
.download-card {
    margin-top: 2rem;
    padding: 4px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    background-size: 200% 200%;
    animation: glow-pulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 30px var(--accent-glow), 0 0 60px rgba(34, 197, 94, 0.15);
}

.download-card-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 1.25rem 2rem;
    border: 1px solid var(--border);
}

.download-info {
    text-align: left;
}

.download-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.35rem;
}

.download-version {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: var(--bg-dark);
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
}

.btn-download:hover {
    background: var(--accent-dim);
    box-shadow: 0 0 20px var(--accent-glow);
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 20px var(--accent-glow), 0 0 40px rgba(34, 197, 94, 0.1);
        opacity: 1;
    }
    50% {
        box-shadow: 0 0 35px var(--accent-glow), 0 0 70px rgba(34, 197, 94, 0.25);
        opacity: 1;
    }
}

/* How to Install */
.install-steps {
    margin-top: 1.5rem;
    max-width: 480px;
    margin-left: 0;
    margin-right: auto;
    text-align: left;
}

.install-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
    text-shadow: 0 0 12px var(--accent-glow);
}

.install-list {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    line-height: 1.5;
}

.install-list li {
    margin-bottom: 0.25rem;
}

.install-list li:last-child {
    margin-bottom: 0;
}

/* Menu preview */
.menu-preview {
    padding: 2rem 0;
}

.menu-preview .container {
    text-align: center;
}

.menu-preview img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: block;
}

/* Features */
.features-section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text);
    text-shadow: 0 0 24px var(--accent-glow), 0 0 48px rgba(34, 197, 94, 0.2);
}

.text-center {
    text-align: center;
}

.feature-category {
    margin-bottom: 2.5rem;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    text-shadow: 0 0 16px var(--accent-glow);
}

.category-header i {
    color: var(--accent);
    font-size: 1.25rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.category-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    text-shadow: 0 0 12px var(--accent-glow);
}

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 9999px;
    font-size: 0.9rem;
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 10px var(--accent-glow);
}

.feature-pill:hover {
    border-color: var(--accent);
    box-shadow: 0 0 18px var(--accent-glow), 0 0 28px rgba(34, 197, 94, 0.25);
}

.feature-pill i {
    color: var(--accent);
    font-size: 0.85rem;
    filter: drop-shadow(0 0 6px var(--accent-glow));
}

/* Gallery */
.gallery-section {
    padding: 4rem 0;
    background: var(--bg-card);
}

.gallery-section .section-title {
    margin-bottom: 2rem;
}

.gallery-slider {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.gallery-track {
    display: flex;
    gap: 1rem;
    animation: scroll 40s linear infinite;
    width: max-content;
}

.gallery-track.track-2 {
    animation-direction: reverse;
    animation-duration: 35s;
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.slide {
    flex-shrink: 0;
    width: 400px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.slide img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    background: var(--bg-elevated);
}

/* Footer */
footer {
    padding: 2rem 0;
    border-top: 1px solid var(--border);
    background: var(--bg-dark);
}

.footer-container {
    text-align: center;
}

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

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }
    .hero {
        padding: 3rem 0;
    }
    .download-card-inner {
        flex-direction: column;
        text-align: center;
    }
    .download-info {
        text-align: center;
    }
    .slide {
        width: 300px;
    }
    .slide img {
        height: 190px;
    }
}