/* ===================================
   METAXCHG - CRYPTO EXCHANGE DESIGN SYSTEM
   =================================== */

/* === IMPORTS === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* === CSS VARIABLES === */
:root {
    /* Colors - Dark Theme */
    --color-bg-primary: #0a0e27;
    --color-bg-secondary: #151932;
    --color-bg-tertiary: #1e2442;
    --color-bg-card: rgba(30, 36, 66, 0.6);

    /* Accent Colors */
    --color-accent-cyan: #00d4ff;
    --color-accent-purple: #b24bf3;
    --color-accent-blue: #4f46e5;
    --color-accent-pink: #ec4899;
    --color-accent-green: #10b981;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #b24bf3 100%);
    --gradient-secondary: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --gradient-hero: linear-gradient(135deg, #00d4ff 0%, #b24bf3 50%, #ec4899 100%);

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0aec0;
    --color-text-muted: #718096;

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

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(178, 75, 243, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 1.125rem;
}

a {
    color: var(--color-accent-cyan);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--color-accent-purple);
}

/* === LAYOUT === */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.section-sm {
    padding: var(--spacing-2xl) 0;
}

/* === NAVIGATION === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-sm);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.logo {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
    align-items: center;
}

.nav-links a {
    color: var(--color-text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-accent-cyan);
}

.nav-links a.active {
    background: var(--gradient-primary);
    color: white;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 1.5rem;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-fast);
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-align: center;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 2px solid var(--color-accent-cyan);
}

.btn-secondary:hover {
    background: var(--color-accent-cyan);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* === CARDS === */
.card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.card p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin-bottom: 0;
}

/* === HERO SECTION === */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-around;
    text-align: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

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

    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding-left: 1rem;
    padding-right: 1rem;
}

.hero h1 {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* === CRYPTO TICKER === */
.crypto-ticker {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin: var(--spacing-xl) auto;
    max-width: 600px;
    text-align: center;
}

.ticker-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.ticker-price {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === GRID LAYOUTS === */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

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

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* === FEATURES SECTION === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: var(--color-text-primary);
    background-clip: text;
}

/* === SERVICES LIST === */
.services-list {
    list-style: none;
    margin-top: var(--spacing-xl);
}

.services-list li {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: var(--transition-fast);
}

.services-list li:hover {
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateX(10px);
}

.services-list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--gradient-success);
    border-radius: 50%;
    flex-shrink: 0;
    font-weight: 700;
    font-size: 1rem;
}

.services-list li p {
    margin: 0;
    color: var(--color-text-secondary);
}

/* === FORMS === */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-primary);
    font-weight: 500;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1.25rem;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent-cyan);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

/* === FOOTER === */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    margin-top: var(--spacing-3xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.footer-section p,
.footer-section a {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--color-accent-cyan);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

.footer-regulatory {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

/* === UTILITY CLASSES === */
.text-center {
    text-align: center;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mt-4 {
    margin-top: var(--spacing-xl);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.mb-4 {
    margin-bottom: var(--spacing-xl);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        transform: translateX(-100%);
        transition: var(--transition-normal);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .menu-toggle {
        display: flex;
    }

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

    .features-grid,
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        min-height: 80vh;
    }
}

/* === ANIMATIONS === */
.fade-in {
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* === REGISTER PAGE === */
.register-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 120px;
    /* Account for fixed navbar */
}

.register-content {
    max-width: 800px;
    margin: 0 auto;
}

.register-subheading {
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.register-heading {
    font-size: clamp(2rem, 4vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.register-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-primary);
    line-height: 1.6;
}

.link-highlight {
    color: var(--color-text-primary);
    text-decoration: underline;
    font-weight: 600;
}

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

.click-download {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    font-weight: 500;
}

.register-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 500px;
    margin: 0 auto var(--spacing-xl);
}

.btn-orange {
    background: linear-gradient(180deg, #ff9d4d 0%, #ff6b00 100%);
    color: white;
    font-size: 1.25rem;
    padding: 1.25rem 2rem;
    border-radius: 30px;
    /* More rounded as per image */
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
    text-transform: capitalize;
    font-weight: 600;
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.5);
    color: white;
}

.register-note {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.register-note a {
    color: var(--color-text-primary);
    text-decoration: underline;
}

.register-note a:hover {
    color: var(--color-accent-cyan);
}