:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-card-hover: #1a1a25;
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border: #27272a;
    --border-hover: #3f3f46;
    
    --gradient-1: linear-gradient(135deg, #6366f1, #8b5cf6, #ec4899);
    --gradient-2: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
    --gradient-gold: linear-gradient(135deg, #fbbf24, #f59e0b, #d97706);
    --gradient-silver: linear-gradient(135deg, #e5e7eb, #9ca3af, #6b7280);
    --gradient-platinum: linear-gradient(135deg, #e5e7eb, #d1d5db, #9ca3af);
    --gradient-diamond: linear-gradient(135deg, #67e8f9, #22d3ee, #06b6d4);
    
    --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 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

ul {
    list-style: none;
}

/* ===== ANIMATED BACKGROUND ===== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    left: -200px;
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: var(--secondary);
    bottom: -150px;
    right: -150px;
    animation-delay: -7s;
}

.blob-3 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(50px, -50px) scale(1.1);
    }
    50% {
        transform: translate(-30px, 30px) scale(0.9);
    }
    75% {
        transform: translate(-50px, -20px) scale(1.05);
    }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.8rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

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

.btn-telegram {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: #0088cc;
    color: white !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition);
}

.btn-telegram:hover {
    background: #006699;
    transform: translateY(-2px);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
}

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--gradient-1);
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius-full);
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

.cta-button i {
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(5px);
    }
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== PLANS SECTION ===== */
.plans-section {
    padding: 4rem 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.plan-toggle {
    display: inline-flex;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-full);
    margin-top: 2rem;
}

.toggle-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.toggle-btn.active {
    background: var(--primary);
    color: white;
}

.toggle-btn:hover:not(.active) {
    color: var(--text-primary);
}

/* Plans Grid */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

/* Plan Card */
.plan-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: var(--transition);
    overflow: hidden;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-silver);
    opacity: 0;
    transition: var(--transition);
}

.plan-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.plan-card:hover::before {
    opacity: 1;
}

/* Featured/Premium Cards */
.plan-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.05));
}

.plan-card.featured::before {
    background: var(--gradient-gold);
    opacity: 1;
}

.plan-card.premium {
    border-color: #67e8f9;
    background: linear-gradient(135deg, rgba(103, 232, 249, 0.1), rgba(34, 211, 238, 0.05));
}

.plan-card.premium::before {
    background: var(--gradient-diamond);
    opacity: 1;
}

.plan-card.special {
    border-color: #f472b6;
    background: linear-gradient(135deg, rgba(244, 114, 182, 0.1), rgba(236, 72, 153, 0.05));
}

.plan-card.special::before {
    background: linear-gradient(135deg, #f472b6, #ec4899);
    opacity: 1;
}

.plan-card.desi {
    border-color: #fb923c;
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.1), rgba(249, 115, 22, 0.05));
}

.plan-card.desi::before {
    background: linear-gradient(135deg, #fb923c, #f97316);
    opacity: 1;
}

/* Plan Glow Effect */
.plan-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    animation: rotateGlow 10s linear infinite;
    pointer-events: none;
}

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

/* Plan Shine Effect */
.plan-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shine 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shine {
    0%, 100% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
}

/* Plan Badge */
.plan-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.plan-badge.popular {
    background: var(--gradient-silver);
    color: #1a1a25;
}

.plan-badge.recommended {
    background: var(--gradient-gold);
    color: #1a1a25;
}

.plan-badge.best {
    background: var(--gradient-diamond);
    color: #1a1a25;
}

.plan-badge.special-badge {
    background: linear-gradient(135deg, #f472b6, #ec4899);
    color: white;
}

.plan-badge.desi-badge {
    background: linear-gradient(135deg, #fb923c, #f97316);
    color: white;
}

/* Plan Icon */
.plan-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.plan-icon.silver {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.2), rgba(192, 192, 192, 0.1));
    color: #c0c0c0;
}

.plan-icon.gold {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 215, 0, 0.1));
    color: #ffd700;
}

.plan-icon.platinum {
    background: linear-gradient(135deg, rgba(229, 228, 226, 0.2), rgba(229, 228, 226, 0.1));
    color: #e5e4e2;
}

.plan-icon.diamond {
    background: linear-gradient(135deg, rgba(185, 242, 255, 0.2), rgba(185, 242, 255, 0.1));
    color: #67e8f9;
}

.plan-icon.hema {
    background: linear-gradient(135deg, rgba(244, 114, 182, 0.2), rgba(244, 114, 182, 0.1));
    color: #f472b6;
}

.plan-icon.desi-icon {
    background: linear-gradient(135deg, rgba(251, 146, 60, 0.2), rgba(251, 146, 60, 0.1));
    color: #fb923c;
}

/* Plan Name */
.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Plan Price */
.plan-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Platform Tags */
.platform-tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.platform-tag {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
}

.platform-tag.ios {
    color: #fff;
}

.platform-tag.android {
    color: #3ddc84;
}

.platform-tag.disabled {
    opacity: 0.4;
    text-decoration: line-through;
}

/* Plan Features */
.plan-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.plan-features li i {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.7rem;
}

.plan-features li.included i {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.plan-features li.excluded i {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.plan-features li.excluded {
    opacity: 0.6;
}

/* Plan Button */
.plan-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem;
    background: var(--bg-card-hover);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.plan-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.plan-btn i {
    transition: var(--transition);
}

.plan-btn:hover i {
    transform: translateX(4px);
}

.plan-card.featured .plan-btn,
.plan-card.premium .plan-btn {
    background: var(--gradient-1);
    border: none;
}

.plan-card.featured .plan-btn:hover,
.plan-card.premium .plan-btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
}

.feature-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: 6rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.faq-container {
    margin-top: 3rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-card-hover);
}

.faq-question i {
    transition: var(--transition);
    color: var(--text-muted);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-secondary);
}

/* ===== FOOTER ===== */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-brand {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    background: #0088cc;
    border-color: #0088cc;
    color: white;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.copyright {
    color: var(--text-secondary);
}

/* ===== PAYMENT PAGE STYLES ===== */
.payment-page {
    min-height: 100vh;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.back-btn {
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 500;
    z-index: 100;
    transition: var(--transition);
}

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

/* Payment Container */
.payment-container {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 3rem auto;
    width: 100%;
}

/* Order Summary */
.order-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
    height: fit-content;
}

.summary-header {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.5rem;
}

.summary-content h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.selected-plan {
    background: var(--bg-card-hover);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.plan-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.plan-preview-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-gold);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.plan-preview-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.plan-type {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.price-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.price-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.price-row.discount span:last-child {
    color: var(--success);
}

.price-row.total {
    padding-top: 0.75rem;
    border-top: 1px dashed var(--border);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.plan-benefits h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.plan-benefits ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.plan-benefits li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.plan-benefits li i {
    color: var(--success);
    font-size: 0.75rem;
}

.security-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.badge-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.badge-item i {
    font-size: 1.5rem;
    color: var(--success);
}

/* Payment Section */
.payment-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 2rem;
}

.payment-header {
    text-align: center;
    margin-bottom: 2rem;
}

.payment-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

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

/* Payment Steps */
.payment-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card-hover);
    border: 2px solid var(--border);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.9rem;
    transition: var(--transition);
}

.step.active .step-number {
    background: var(--gradient-1);
    border-color: var(--primary);
}

.step span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.step.active span {
    color: var(--primary);
}

.step-line {
    flex: 1;
    max-width: 60px;
    height: 2px;
    background: var(--border);
}

/* QR Section */
.qr-section {
    text-align: center;
    margin-bottom: 2rem;
}

.qr-card {
    position: relative;
    display: inline-block;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
}

.qr-glow {
    position: absolute;
    inset: -4px;
    background: var(--gradient-1);
    border-radius: calc(var(--radius-lg) + 4px);
    z-index: -1;
    animation: glowPulse 2s ease-in-out infinite;
}

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

.qr-code {
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #fff;
}


.qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
    display: block;
    margin: 0;
    padding: 0;
    border: 2px solid #e0e0e0;
    box-shadow: 0 2px 12px 0 rgba(0,0,0,0.04);
    background: #fff;
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: #666;
}

.qr-placeholder i {
    font-size: 4rem;
}

.qr-placeholder span {
    font-size: 0.9rem;
    font-weight: 500;
}

.save-qr-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin-top: 1rem;
    padding: 0.5rem;
    background: #f5f5f5;
    border: none;
    border-radius: var(--radius-sm);
    color: #666;
    font-size: 0.8rem;
    cursor: pointer;
}

/* UPI Info */
.upi-info {
    display: inline-block;
}

.upi-id {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.upi-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.upi-value {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-card-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
}

.upi-value span {
    font-weight: 600;
    font-family: monospace;
    font-size: 1rem;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition);
}

.copy-btn:hover {
    transform: scale(1.1);
}

/* Payment Instructions */
.payment-instructions {
    background: var(--bg-card-hover);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.payment-instructions h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.payment-instructions h4 i {
    color: var(--primary);
}

.payment-instructions ol {
    padding-left: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.payment-instructions li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    list-style: decimal;
}

.payment-instructions li.highlight {
    color: var(--warning);
    font-weight: 500;
}

/* Send Receipt Button */
.send-receipt-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1.25rem;
    background: linear-gradient(135deg, #0088cc, #00a0dc);
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.send-receipt-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 136, 204, 0.4);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: btnShine 3s ease-in-out infinite;
}

@keyframes btnShine {
    0%, 100% {
        left: -100%;
    }
    50% {
        left: 100%;
    }
}

/* Important Notes */
.important-notes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

.note.warning {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.note.warning i {
    color: var(--danger);
}

.note.info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

.note.info i {
    color: #3b82f6;
}

/* Payment Footer */
.payment-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--success);
    color: white;
    border-radius: var(--radius-full);
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .payment-container {
        grid-template-columns: 1fr;
    }
    
    .order-summary {
        order: 2;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .nav a:not(.btn-telegram) {
        display: none;
    }
    
    .hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .plans-section {
        padding: 6rem 1rem 3rem 1rem;
    }
    
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-steps {
        flex-wrap: wrap;
    }
    
    .step-line {
        display: none;
    }
    
    .back-btn span {
        display: none;
    }
    
    .security-badges {
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .plan-toggle {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .toggle-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .amount {
        font-size: 2.5rem;
    }
}

/* ===== UTILITY CLASSES ===== */
.hidden {
    display: none !important;
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}