/* Table of Contents
1.  :root Variables
2.  Global & Reset Styles
3.  Header & Navigation
4.  Hero Section
5.  Reusable Components (Buttons, Cards, Titles)
6.  Products Section
7.  Features Section
8.  Payment Section
9.  Contact Section
10. Footer Section
11. Animations & Effects
12. Media Queries (Desktop)
*/

/* 1. :root Variables */
:root {
    --primary: #ff2e63;
    --secondary: #08d9d6;
    --accent: #ffa502;
    --dark: #0f1419;
    --darker: #090c10;
    --light: #e2f3f5;
    --text-muted: #aab8c2;
    --border-color: rgba(255, 255, 255, 0.1);

    --neon-glow-secondary: 0 0 10px var(--secondary), 0 0 20px var(--secondary), 0 0 30px var(--secondary);
    --neon-glow-primary: 0 0 10px var(--primary), 0 0 20px var(--primary), 0 0 30px var(--primary);
    
    /* Fluid Typography using clamp(MIN, IDEAL, MAX) */
    --font-size-sm: clamp(0.8rem, 0.17vw + 0.76rem, 0.94rem);
    --font-size-base: clamp(1rem, 0.34vw + 0.91rem, 1.25rem);
    --font-size-md: clamp(1.25rem, 0.61vw + 1.1rem, 1.69rem);
    --font-size-lg: clamp(1.56rem, 1vw + 1.31rem, 2.25rem);
    --font-size-xl: clamp(1.95rem, 1.56vw + 1.56rem, 3rem);
    --font-size-xxl: clamp(2.44rem, 2.38vw + 1.85rem, 4rem);
}

/* 2. Global & Reset Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Rajdhani', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    background-color: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
}

#three-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at center, rgba(15,20,25,0.8) 0%, rgba(9,12,16,0.9) 70%);
}

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
    position: relative;
}

/* 3. Header & Navigation */
header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(15, 20, 25, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.5s ease;
}

header.scrolled {
    padding: 15px 0;
    background: rgba(9, 12, 16, 0.95);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    text-shadow: var(--neon-glow-primary);
    text-decoration: none;
}
.logo span { color: var(--secondary); text-shadow: var(--neon-glow-secondary); }
.logo i { margin-right: 10px; font-size: 2rem; }

.nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 70%;
    height: 100vh;
    background: var(--darker);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    list-style: none;
    transform: translateX(100%);
    transition: transform 0.4s ease-in-out;
    display: flex;
}

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

.nav-links li { margin: 25px 0; }
.nav-links li a {
    color: var(--light);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-md);
    padding: 8px 15px;
    transition: color 0.3s;
}
.nav-links li a:hover { color: var(--secondary); }

.mobile-menu-toggle {
    display: block;
    cursor: pointer;
    z-index: 1001;
}
.mobile-menu-toggle .line {
    width: 28px;
    height: 3px;
    background-color: var(--light);
    margin: 5px;
    border-radius: 3px;
    transition: all 0.3s ease-in-out;
}

.mobile-menu-toggle.is-active .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
.mobile-menu-toggle.is-active .line2 { opacity: 0; }
.mobile-menu-toggle.is-active .line3 { transform: rotate(45deg) translate(-5px, -6px); }

/* 4. Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    text-align: center;
}
.hero-content { max-width: 800px; margin: 0 auto; z-index: 2; }
.hero h1 {
    font-size: var(--font-size-xxl);
    margin-bottom: 20px;
    line-height: 1.1;
    text-transform: uppercase;
    font-weight: 700;
}
.hero h1 .highlight { color: var(--primary); text-shadow: var(--neon-glow-primary); }
.hero p {
    font-size: var(--font-size-base);
    margin-bottom: 40px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}
.floating-elements { display: none; }

/* 5. Reusable Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 35px;
    background: linear-gradient(45deg, var(--primary), #ff6b9c);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(255, 46, 99, 0.4);
    font-size: var(--font-size-sm);
}
.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 46, 99, 0.6);
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}
.btn:hover::before { left: 100%; }
.btn i { margin-right: 10px; font-size: 1.2em; }

.btn-secondary {
    background: linear-gradient(45deg, var(--secondary), #2ae9e6);
    box-shadow: 0 5px 15px rgba(8, 217, 214, 0.4);
}
.btn-secondary:hover { box-shadow: 0 10px 25px rgba(8, 217, 214, 0.6); }

.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-size: var(--font-size-xl);
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
    position: relative;
    display: inline-block;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}
.section-title p {
    max-width: 700px;
    margin: 25px auto 0;
    opacity: 0.9;
    font-size: var(--font-size-base);
}

.content-card {
    background: rgba(15, 20, 25, 0.7);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.5s ease;
    border: 1px solid var(--border-color);
    position: relative;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}
.content-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--secondary);
}
.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

/* 6. Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 30px;
}
.product-header {
    padding: 25px;
    background: rgba(9, 12, 16, 0.8);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
}
.product-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: rgba(8, 217, 214, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--secondary);
}
.product-icon i { font-size: 1.8rem; color: var(--secondary); }
.product-header h3 { font-size: var(--font-size-md); color: var(--accent); }
.product-body { padding: 25px; flex-grow: 1; }
.price-list { list-style: none; }
.price-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.price-list li:last-child { border-bottom: none; }
.duration { font-weight: 600; color: var(--light); font-size: var(--font-size-base); }
.prices { text-align: right; }
.usdt { color: var(--primary); font-weight: 700; font-size: var(--font-size-base); }
.local-price { font-size: var(--font-size-sm); color: var(--text-muted); }

/* 7. Features Section */
.features-list { list-style: none; padding-left: 10px; }
.features-list li {
    padding: 10px 0;
    position: relative;
    padding-left: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.features-list li:last-child { border-bottom: none; }
.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
    font-size: 1.2rem;
    text-shadow: var(--neon-glow-secondary);
}
.features-list .risk-note { color: var(--primary); opacity: 0.8; font-size: var(--font-size-sm); }

/* 8. Payment Section */
.payment-methods {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.payment-card { padding: 40px 30px; text-align: center; }
.payment-icon i { font-size: 3.5rem; margin-bottom: 20px; color: var(--secondary); text-shadow: var(--neon-glow-secondary); }
.payment-card h3 { font-size: var(--font-size-md); margin-bottom: 15px; color: var(--accent); }
.payment-details { font-size: var(--font-size-base); opacity: 0.9; line-height: 1.5; word-break: break-all; }
.payment-note { text-align: center; margin-top: 60px; }
.payment-note p { font-size: var(--font-size-base); opacity: 0.9; max-width: 800px; margin: 0 auto 30px; }

/* 9. Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}
.contact-card { text-align: center; display: block; text-decoration: none; color: var(--light); }
.contact-card .content-card-body { padding: 40px 30px; }
.contact-icon i { font-size: 3rem; margin-bottom: 20px; color: var(--secondary); text-shadow: var(--neon-glow-secondary); }
.contact-card h3 { font-size: var(--font-size-md); margin-bottom: 15px; color: var(--accent); }
.contact-details { font-size: var(--font-size-base); opacity: 0.9; }

/* 10. Footer Section */
footer { background: var(--darker); padding: 70px 0 20px; border-top: 1px solid var(--border-color); }
.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    margin-bottom: 50px;
}
.footer-column h3 {
    font-size: var(--font-size-md);
    margin-bottom: 25px;
    color: var(--accent);
    position: relative;
    display: inline-block;
}
.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
}
.footer-column p { opacity: 0.8; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a {
    color: var(--light);
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}
.footer-links a i { margin-right: 10px; color: var(--secondary); font-size: 0.9rem; }
.footer-links a:hover { opacity: 1; color: var(--secondary); transform: translateX(5px); }
.copyright { text-align: center; padding-top: 30px; border-top: 1px solid var(--border-color); opacity: 0.7; font-size: var(--font-size-sm); }

/* 11. Animations & Effects */
.floating-badge {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--primary), #ff6b9c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(255, 46, 99, 0.5);
    z-index: 100;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
    text-decoration: none;
}
.floating-badge:hover { transform: scale(1.1); box-shadow: 0 8px 20px rgba(255, 46, 99, 0.7); }

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 46, 99, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(255, 46, 99, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 46, 99, 0); }
}

/* 12. Media Queries (Desktop) */
@media (min-width: 576px) {
    .hero-buttons { flex-direction: row; justify-content: center; }
    .footer-content { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    section { padding: 120px 0; }
    .mobile-menu-toggle { display: none; }
    .nav-links {
        position: static;
        transform: translateX(0);
        flex-direction: row;
        height: auto;
        width: auto;
        background: none;
        display: flex;
    }
    .nav-links li { margin: 0 0 0 30px; }
    .nav-links li a { font-size: 1.1rem; padding: 8px 0; position: relative; }
    .nav-links li a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--secondary);
        transition: width 0.3s;
        box-shadow: var(--neon-glow-secondary);
    }
    .nav-links li a:hover::after { width: 100%; }
    .logo { font-size: 2.2rem; }
    .logo i { font-size: 2.5rem; }
    .footer-content { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1100px) {
    .hero { text-align: left; }
    .hero-content { margin: 0; max-width: 700px; }
    .hero-buttons { justify-content: flex-start; }
    .hero p { margin-left: 0; margin-right: 0; }
    .floating-elements {
        display: flex;
        position: absolute;
        top: 0;
        right: 0;
        width: 50%;
        height: 100%;
        align-items: center;
        justify-content: center;
        z-index: 1;
    }
    .floating-card {
        position: absolute;
        width: 300px;
        height: 200px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 15px;
        backdrop-filter: blur(10px);
        border: 1px solid var(--border-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    .floating-card i { font-size: 3rem; margin-bottom: 15px; color: var(--secondary); text-shadow: var(--neon-glow-secondary); }
    .floating-card h3 { font-size: 1.3rem; color: var(--light); text-align: center; }
    .card-1 { top: 20%; right: 10%; transform: rotate(5deg); }
    .card-2 { top: 50%; right: 20%; transform: rotate(-3deg); }
    .card-3 { bottom: 20%; right: 10%; transform: rotate(2deg); }
}