:root {
    --bg-dark: #0A0A0B;
    --bg-card: rgba(22, 22, 24, 0.7);
    --text-main: #FFFFFF;
    --text-muted: #9CA3AF;
    --accent: #D4AF37; /* Gold accent for elitism and finance */
    --accent-glow: rgba(212, 175, 55, 0.3);
    --danger: #E11D48; /* Red for 'ACCOUNT ZERO' vibe */
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-main);
}

p {
    color: var(--text-muted);
}

.highlight {
    color: var(--accent);
}

/* Nav */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    background: rgba(10, 10, 11, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-selector {
    display: flex;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.25rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    border-radius: 2px;
    transition: all 0.2s ease;
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--text-main);
}

.lang-btn:hover:not(.active) {
    color: var(--text-main);
}

/* Buttons */
.btn-sm {
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-sm:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-primary {
    display: inline-block;
    background: var(--accent);
    color: var(--bg-dark);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    padding: 1.2rem 2.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px var(--accent-glow);
}

.glow-effect::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
}

.glow-effect:hover::before {
    opacity: 0.2;
    transform: scale(1);
    animation: rotateBtn 5s linear infinite;
}

@keyframes rotateBtn {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-bg-glow {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(212,175,55,0.08) 0%, rgba(10,10,11,0) 70%);
    z-index: 1;
    pointer-events: none;
}

.label-badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 50px;
    margin-bottom: 2rem;
    background: rgba(212, 175, 55, 0.05);
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 3rem;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}

.sub-cta {
    margin-top: 1rem;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Features */
.features {
    padding: 8rem 0;
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.section-heading {
    text-align: center;
    margin-bottom: 5rem;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3rem 2rem;
    border-radius: 8px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.3);
}

.card-icon {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    margin-bottom: 1.5rem;
    line-height: 1;
}

/* Bottom CTA */
.bottom-cta {
    padding: 6rem 0 8rem;
    background: linear-gradient(to top, rgba(212,175,55,0.05), transparent);
}

.bottom-cta h2 {
    margin-bottom: 1rem;
}

.bottom-cta p {
    margin-bottom: 3rem;
}

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    font-size: 0.9rem;
}

/* Animations */
.slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.slide-up-delay-1 { opacity: 0; transform: translateY(30px); animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.1s; }
.slide-up-delay-2 { opacity: 0; transform: translateY(30px); animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.2s; }
.slide-up-delay-3 { opacity: 0; transform: translateY(30px); animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.3s; }

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hidden {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.hidden.delay-1 { transition-delay: 0.1s; }
.hidden.delay-2 { transition-delay: 0.2s; }
.hidden.delay-3 { transition-delay: 0.3s; }

.show-anim {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
    .hero { padding-top: 100px; min-height: 80vh; }
    .footer-container { flex-direction: column; text-align: center; }
}