/* ============================================
   6E Virtual - Layout v3.0
   ============================================ */


/* ============================================
   Navigation — Clean Fixed Bar
   ============================================ */

nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 0.65rem 2rem;
    background: rgba(10, 11, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

nav.scrolled {
    background: rgba(10, 11, 20, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 32px; height: 32px; object-fit: contain; }

.logo-text {
    font-family: var(--font-primary);
    font-size: 1.2rem; font-weight: 700;
    color: var(--text-primary);
}

.logo-text span { color: var(--color-primary-bright); }

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-base);
    position: relative;
    padding-bottom: 6px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary-bright);
    transition: width var(--transition-base);
}

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


.nav-cta { display: flex; gap: 0.75rem; align-items: center; }


/* ============================================
   Hero
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    padding: 120px var(--spacing-lg) var(--spacing-2xl);
    position: relative;
}

.hero-content {
    max-width: 720px;
    margin: 0 auto;
    display: flex; flex-direction: column; align-items: center;
    text-align: center;
    position: relative; z-index: 1;
}

.hero h1 {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 5.5vw, 4.2rem);
    font-weight: 700;
    line-height: 1.12;
    margin-bottom: 1.25rem;
    letter-spacing: -1px;
    animation: fadeInUp 0.7s ease-out 0.1s both;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 520px;
    line-height: 1.75;
    animation: fadeInUp 0.7s ease-out 0.2s both;
}

.hero-ctas {
    display: flex; gap: 0.75rem; flex-wrap: wrap;
    justify-content: center; align-items: center;
    animation: fadeInUp 0.7s ease-out 0.35s both;
}

.hero-social {
    display: flex; gap: 0.75rem;
    margin-top: 2.5rem;
    animation: fadeInUp 0.7s ease-out 0.5s both;
}

.social-link {
    display: flex; align-items: center; justify-content: center;
    width: 44px; height: 44px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.social-link svg { width: 18px; height: 18px; }

/* Scroll cue */
.scroll-cue {
    position: absolute;
    bottom: 2.5rem; left: 50%;
    transform: translateX(-50%);
    display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
    animation: fadeIn 1s ease-out 1.2s both;
}

.scroll-cue span {
    font-family: var(--font-body);
    font-size: 0.65rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.2em;
}

.scroll-cue-line {
    width: 1px; height: 32px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: glow-line 2.5s ease-in-out infinite;
}


/* ============================================
   Section Headers
   ============================================ */

.section-header {
    max-width: var(--max-width-sm);
    margin: 0 auto var(--spacing-xl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: 2.2rem; font-weight: 700;
    margin-bottom: 0.4rem;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-family: var(--font-body);
    color: var(--text-muted); font-size: 1rem;
}


/* ============================================
   Features
   ============================================ */

.features-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.features-section .section-header { max-width: var(--max-width-sm); }

.features-grid {
    max-width: var(--max-width-sm);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}


/* ============================================
   Ranks
   ============================================ */

.ranks-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.ranks-header {
    max-width: 900px; margin: 0 auto 2rem;
    text-align: center;
}

.ranks-header h2 {
    font-family: var(--font-primary);
    font-size: 2.2rem; font-weight: 700;
    margin-bottom: 0.5rem; letter-spacing: -0.5px;
}

.ranks-header p {
    font-family: var(--font-body);
    color: var(--text-muted); font-size: 1rem;
    max-width: 480px; margin: 0 auto;
}

.ranks-grid {
    max-width: 900px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}


/* ============================================
   Partners
   ============================================ */

.partners-section {
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-3xl);
}

.partners-header {
    text-align: center; margin-bottom: 2.5rem;
}

.partners-header h2 {
    font-family: var(--font-primary);
    font-size: 2.2rem; font-weight: 700;
    margin-bottom: 0.5rem; letter-spacing: -0.5px;
}

.partners-header p {
    font-family: var(--font-body);
    color: var(--text-muted); font-size: 1rem;
}

.partners-grid {
    display: flex; justify-content: center; align-items: center;
    flex-wrap: wrap; gap: 1.25rem;
    max-width: 800px; margin: 0 auto;
}


/* ============================================
   Footer
   ============================================ */

footer {
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-container { max-width: var(--max-width-sm); margin: 0 auto; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand { max-width: 280px; }
.footer-brand .logo { margin-bottom: var(--spacing-sm); }

.footer-description {
    font-family: var(--font-body);
    color: var(--text-muted); font-size: 0.85rem; line-height: 1.7;
    margin-top: 0.75rem;
}

.footer-column h4 {
    font-family: var(--font-primary);
    color: var(--text-primary);
    font-size: 0.85rem; font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase; letter-spacing: 0.08em;
}

.footer-column li { margin-bottom: 0.6rem; }

.footer-column a {
    font-family: var(--font-body);
    color: var(--text-muted); font-size: 0.85rem;
    transition: color var(--transition-base);
}

.footer-column a:hover { color: var(--color-primary-bright); }

.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-copyright {
    font-family: var(--font-body);
    color: var(--text-muted); font-size: 0.78rem;
}

.footer-social { display: flex; gap: 0.75rem; }

.footer-social a {
    width: 36px; height: 36px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.footer-social svg {
    width: 16px; height: 16px;
    fill: var(--text-muted);
    transition: fill var(--transition-base);
}

.footer-social a:hover svg { fill: white; }