/* ================================================
   Bingo充值官网 - 样式文件
   ================================================ */

/* CSS Variables */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --accent: #f59e0b;
    
    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Backgrounds */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    
    /* Borders */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-hover: rgba(255, 255, 255, 0.15);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #d946ef 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --gradient-glow: radial-gradient(ellipse at center, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Spacing */
    --section-padding: 120px;
    --container-max: 1200px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ================================================
   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 var(--border-color);
    transition: var(--transition-base);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.nav-cta {
    padding: 10px 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-base);
}

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

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

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4) 0%, transparent 70%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(-30px, -20px) scale(1.02); }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--secondary);
    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(0.8); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    color: white;
    transition: var(--transition-base);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition-base);
}

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

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

/* ================================================
   Section Common Styles
   ================================================ */
section {
    padding: var(--section-padding) 0;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ================================================
   Features Section
   ================================================ */
.features {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

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

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.feature-icon svg {
    stroke: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================
   Pricing Section
   ================================================ */
.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.pricing-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 48px 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    transition: var(--transition-base);
}

.pricing-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-icon {
    margin-bottom: 16px;
}

.pricing-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-amount {
    text-align: center;
    padding: 24px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 32px;
}

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

.price {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-features svg {
    flex-shrink: 0;
    stroke: var(--secondary);
}

.pricing-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 16px 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    color: white;
    transition: var(--transition-base);
}

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

.pricing-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.pricing-note svg {
    stroke: var(--text-muted);
}

/* ================================================
   Order Block
   ================================================ */
.order-block {
    margin-top: 48px;
    padding: 32px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 32px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.order-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.order-amount {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

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

.order-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.order-input-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.order-input {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-base);
}

.order-input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.order-error {
    min-height: 18px;
    font-size: 0.85rem;
    color: #f87171;
}

.order-btn {
    padding: 14px 20px;
    border: none;
    border-radius: var(--radius-full);
    background: #111827;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
}

.order-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(17, 24, 39, 0.4);
}

.order-block-preview {
    margin-top: 32px;
    padding: 18px 22px;
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-color);
    color: var(--text-muted);
    text-align: center;
}

.order-modal-block {
    margin-top: 0;
    background: #0f172a;
    border: 1px solid #1f2937;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.order-modal-block .order-label,
.order-modal-block .order-service,
.order-modal-block .order-input-label,
.order-modal-block .order-error {
    color: rgba(255, 255, 255, 0.7);
}

.order-modal-block .order-amount,
.order-modal-block .order-input {
    color: #ffffff;
}

.order-modal-block .order-input {
    background: rgba(255, 255, 255, 0.08);
}

.order-modal-block .order-btn {
    background: #1e293b;
}

/* ================================================
   Process Section
   ================================================ */
.process {
    background: var(--bg-secondary);
}

.process-steps {
    max-width: 600px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.process-step:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-color-hover);
}

.step-number {
    flex-shrink: 0;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.step-icon svg {
    stroke: var(--primary-light);
}

.process-connector {
    display: flex;
    justify-content: center;
    padding: 16px 0;
}

.process-connector svg {
    stroke: var(--border-color);
    animation: bounce 2s ease-in-out infinite;
}

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

/* ================================================
   FAQ Section
   ================================================ */
.faq-list {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question span {
    font-size: 1.1rem;
    font-weight: 500;
}

.faq-question svg {
    stroke: var(--text-muted);
    transition: var(--transition-base);
}

.faq-question:hover span {
    color: var(--primary-light);
}

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

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

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 24px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ================================================
   Contact Section
   ================================================ */
.contact-card {
    position: relative;
    padding: 80px 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.contact-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-content > p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

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

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
}

.contact-icon svg {
    stroke: white;
}

.contact-info {
    text-align: left;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact-value {
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-decoration {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 50%;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--border-color);
}

/* ================================================
   Order Query Page
   ================================================ */
.query-hero {
    min-height: 100vh;
    padding: 140px 24px 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top, rgba(99, 102, 241, 0.12), transparent 55%);
}

.query-card {
    width: min(720px, 92vw);
    padding: 48px 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.query-form {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
}

.query-result {
    margin-top: 20px;
    padding: 16px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    text-align: left;
    min-height: 24px;
}

.query-result.success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(16, 185, 129, 0.4);
    color: #a7f3d0;
}

.query-result.error {
    background: rgba(248, 113, 113, 0.12);
    border-color: rgba(248, 113, 113, 0.4);
    color: #fecaca;
}

.query-note {
    margin-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.decoration-circle:nth-child(1) {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
}

.decoration-circle:nth-child(2) {
    width: 200px;
    height: 200px;
    bottom: -50px;
    right: 50px;
}

.decoration-circle:nth-child(3) {
    width: 100px;
    height: 100px;
    top: 50%;
    right: 30%;
}

/* ================================================
   Footer
   ================================================ */
.footer {
    padding: 60px 0 40px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 32px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand p {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 24px;
    text-align: center;
}

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

/* ================================================
   Payment Modal
   ================================================ */
.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.open {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: min(520px, 92vw);
    background: #ffffff;
    color: #111827;
    border-radius: 20px;
    padding: 28px 28px 24px;
    box-shadow: 0 30px 80px rgba(15, 23, 42, 0.35);
    z-index: 1;
}

.modal-order-content {
    width: min(900px, 92vw);
    background: #0b0f17;
    color: #ffffff;
}

.modal-order-content .modal-title {
    color: #ffffff;
}

.modal-order-content .modal-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.modal-order-content .modal-close {
    color: rgba(255, 255, 255, 0.7);
}

.modal-close {
    position: absolute;
    top: 18px;
    right: 18px;
    background: none;
    border: none;
    color: #6b7280;
    font-size: 0.9rem;
    cursor: pointer;
}

.modal-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.modal-label {
    font-size: 0.8rem;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-subtitle {
    color: #6b7280;
    font-size: 0.95rem;
}

.modal-order {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: #f3f4f6;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 0.95rem;
}

.order-copy {
    padding: 6px 12px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background: #ffffff;
    font-size: 0.85rem;
    cursor: pointer;
}

.modal-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background: #ffffff;
    color: #6b7280;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.tab-btn.active {
    background: #111827;
    color: #ffffff;
    border-color: #111827;
}

.modal-qr {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.qr-frame {
    width: 240px;
    height: 240px;
    border: 2px dashed #d1d5db;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: #f9fafb;
}

.qr-frame img {
    max-width: 100%;
    max-height: 100%;
}

.modal-actions {
    display: flex;
    gap: 12px;
}

.modal-confirm {
    flex: 1;
    padding: 12px 16px;
    border-radius: 999px;
    border: none;
    background: #111827;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}

.modal-cancel {
    flex: 1;
    padding: 12px 16px;
    border-radius: 999px;
    border: 1px solid #e5e7eb;
    background: #ffffff;
    color: #6b7280;
    font-size: 0.95rem;
    cursor: pointer;
}

.modal-success {
    margin-top: 16px;
    padding: 10px 12px;
    border-radius: 10px;
    background: #ecfdf3;
    color: #15803d;
    font-size: 0.9rem;
    display: none;
}

.modal-success.active {
    display: block;
}

body.modal-open {
    overflow: hidden;
}

/* ================================================
   Responsive Styles
   ================================================ */
@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding-top: 100px;
    }
    
    .hero-stats {
        gap: 24px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }

    .order-block {
        grid-template-columns: 1fr;
    }
    
    .step-icon {
        display: none;
    }
    
    .contact-card {
        padding: 48px 24px;
    }
    
    .contact-method {
        width: 100%;
        justify-content: center;
    }

    .modal-content {
        padding: 24px 20px;
    }

    .modal-order-content {
        padding: 24px 20px;
    }

    .qr-frame {
        width: 200px;
        height: 200px;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .pricing-card {
        padding: 32px 24px;
    }
    
    .price {
        font-size: 3rem;
    }
}

/* ================================================
   Utilities
   ================================================ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}