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

:root {
    --primary: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    --accent: #ec4899;
    --bg: #0a0a0f;
    --bg-card: #13131a;
    --bg-card-hover: #1a1a25;
    --text: #f1f1f4;
    --text-muted: #9ca3af;
    --border: #2a2a3a;
    --radius: 16px;
    --radius-sm: 10px;
    --gradient: linear-gradient(135deg, #7c3aed, #ec4899);
    --gradient-subtle: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(236,72,153,0.15));
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(124,58,237,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

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

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10,10,15,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
}

.nav-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

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

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.nav-cta {
    background: var(--gradient);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(124,58,237,0.4);
}

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

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 16px;
    border-top: 1px solid var(--border);
}

.mobile-menu a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 1rem;
}

.mobile-menu a:hover,
.mobile-menu a.active {
    color: var(--text);
}

.mobile-menu .nav-cta {
    text-align: center;
    margin-top: 8px;
}

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

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 24px;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 480px;
    margin-bottom: 36px;
    line-height: 1.7;
}

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

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

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

.stat-number {
    font-size: 1.8rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-bg-glow {
    position: absolute;
    top: 20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1a1a2e, #0f0f1a);
    border-radius: 40px;
    padding: 12px;
    border: 2px solid var(--border);
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px rgba(124,58,237,0.1);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1028 0%, #0d0d1a 100%);
    border-radius: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.phone-app-icon {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    box-shadow: 0 8px 30px rgba(124,58,237,0.3);
}

.phone-app-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Features ===== */
.features {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-subtle);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-light);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ===== Pricing ===== */
.pricing {
    padding: 120px 0;
    background: linear-gradient(180deg, transparent, rgba(124,58,237,0.03), transparent);
}

.coin-plans-grid,
.vip-plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.plan-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(124,58,237,0.15);
}

.plan-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(124,58,237,0.08), var(--bg-card));
}

.plan-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: 12px;
    right: -28px;
    background: var(--gradient);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 32px;
    transform: rotate(45deg);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-coins {
    font-size: 2.4rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.plan-bonus {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 16px;
}

.plan-price {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.plan-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* VIP Cards */
.vip-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.vip-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(236,72,153,0.15);
}

.vip-duration {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.vip-type {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.vip-price {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.vip-coins {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.vip-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ec4899, #f59e0b);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== Download ===== */
.download {
    padding: 120px 0;
}

.download-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 64px;
}

.download-text h2 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.download-text p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 420px;
}

.download-logo {
    width: 200px;
    height: 200px;
    border-radius: 40px;
    box-shadow: 0 20px 60px rgba(124,58,237,0.2);
    animation: float 6s ease-in-out infinite;
}

/* ===== Policy Pages ===== */
.policy-page {
    padding-top: 120px;
    padding-bottom: 80px;
    min-height: 80vh;
}

.policy-header {
    margin-bottom: 48px;
}

.policy-header h1 {
    font-size: 3rem;
    font-weight: 800;
}

.policy-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    line-height: 1.8;
    color: var(--text-muted);
}

.policy-content h1, .policy-content h2, .policy-content h3,
.policy-content h4, .policy-content h5, .policy-content h6 {
    color: var(--text);
    margin-top: 24px;
    margin-bottom: 12px;
}

.policy-content p {
    margin-bottom: 16px;
}

.policy-content ul, .policy-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.policy-content li {
    margin-bottom: 8px;
}

.policy-content a {
    color: var(--primary-light);
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    max-width: 280px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links h4 {
    font-weight: 700;
    margin-bottom: 4px;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== Loading Spinner ===== */
.loading-spinner {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.error-message {
    text-align: center;
    padding: 48px;
    color: var(--accent);
    font-size: 0.95rem;
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 60px 24px;
    }

    .hero-text h1 {
        font-size: 3rem;
    }

    .hero-subtitle {
        margin: 0 auto 36px;
    }

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

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

    .hero-visual {
        order: -1;
    }

    .phone-frame {
        width: 220px;
        height: 440px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .download-content {
        flex-direction: column;
        text-align: center;
        padding: 48px 32px;
    }

    .download-text p {
        margin: 0 auto 32px;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
    }

    .nav-cta:not(.mobile-menu .nav-cta) {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-text h1 {
        font-size: 2.4rem;
    }

    .hero-content {
        padding: 40px 16px;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .policy-content {
        padding: 24px;
    }

    .policy-header h1 {
        font-size: 2rem;
    }

    .download-content {
        padding: 32px 20px;
    }

    .download-text h2 {
        font-size: 2rem;
    }

    .download-logo {
        width: 140px;
        height: 140px;
    }
}