/* ===== CSS Variables ===== */
:root {
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a24;
    --color-bg-card-hover: #22222e;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-accent: #10b981;
    --color-accent-hover: #059669;
    --color-border: #2a2a3a;
    --color-border-light: #3a3a4a;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s ease;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border-light);
    color: var(--color-text);
}

.btn-outline:hover {
    background: var(--color-bg-card);
    border-color: var(--color-primary);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
}

.btn-ghost:hover {
    color: var(--color-text);
}

.btn-ghost-light {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost-light:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.btn-white {
    background: white;
    color: var(--color-bg);
}

.btn-white:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-container {
    display: flex;
    flex-direction: column;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
}

.logo-fx {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-ethos {
    color: var(--color-text);
}

.logo-slogan {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
}

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

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-title {
    font-size: clamp(40px, 8vw, 64px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title-line {
    display: block;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 48px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
}

.stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.hero-visual {
    position: absolute;
    right: 10%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
}

.trading-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    width: 280px;
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.trading-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.pair {
    font-weight: 600;
    font-size: 16px;
}

.change {
    font-size: 14px;
    font-weight: 500;
}

.change.positive {
    color: var(--color-accent);
}

.trading-card-chart {
    height: 80px;
    margin-bottom: 16px;
}

.chart-line {
    width: 100%;
    height: 100%;
}

.trading-card-price {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.price {
    font-size: 28px;
    font-weight: 700;
}

.time {
    font-size: 12px;
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: 4px;
}

.time::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(32px, 5vw, 44px);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* ===== Features Section ===== */
.features {
    padding: 120px 24px;
    background: var(--color-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition);
}

.feature-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about {
    padding: 120px 24px;
    background: var(--color-bg-secondary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-text {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-list {
    margin-top: 32px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 16px;
}

.about-list svg {
    width: 20px;
    height: 20px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.globe-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(16, 185, 129, 0.2) 100%);
    border-radius: 50%;
    margin-bottom: 24px;
}

.globe-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.about-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.about-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.markets-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.market {
    padding: 6px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

/* ===== Services Section ===== */
.services {
    padding: 120px 24px;
    background: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-border-light);
    transform: translateY(-4px);
}

.service-card.featured {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-color: var(--color-primary);
}

.service-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
}

.service-tier {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
}

.service-price {
    margin-bottom: 16px;
}

.service-price .currency {
    font-size: 20px;
    font-weight: 500;
    vertical-align: top;
}

.service-price .amount {
    font-size: 48px;
    font-weight: 700;
}

.service-price .period {
    font-size: 14px;
    color: var(--color-text-muted);
}

.service-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
}

.service-features {
    text-align: left;
    margin-bottom: 32px;
}

.service-features li {
    font-size: 14px;
    color: var(--color-text);
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-features li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 600;
}

.service-features li:last-child {
    border-bottom: none;
}

/* ===== CTA Section ===== */
.cta {
    padding: 120px 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: clamp(32px, 5vw, 44px);
    font-weight: 700;
    margin-bottom: 16px;
    color: white;
}

.cta p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* ===== Footer ===== */
.footer {
    padding: 80px 24px 40px;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin: 16px 0 24px;
    max-width: 250px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

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

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-text);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: var(--color-text-secondary);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--color-text-muted);
}

.disclaimer {
    font-size: 12px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-visual {
        display: none;
    }

    .hero-content {
        max-width: 100%;
        text-align: center;
    }

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

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

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-content .section-title {
        text-align: center;
    }

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

    .about-list li {
        justify-content: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

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

@media (max-width: 768px) {
    .nav-links, .nav-buttons {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
        min-height: auto;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat {
        align-items: center;
    }

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

    .cta-buttons {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-brand p {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }
}