/* =============================================
   SendZap Landing Page - Modern CSS
   ============================================= */

:root {
    /* Cores Principais - Mesmo tema do painel */
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --accent-color: #10b981;

    /* Cores do Sistema */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;

    /* Cores de Background */
    --dark-color: #1e1b4b;
    --darker-color: #0f0a3e;
    --light-color: #f8fafc;
    --body-bg: #ffffff;

    /* Texto */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-dark: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
    --gradient-hero: linear-gradient(135deg, #0f0a3e 0%, #1e1b4b 50%, #312e81 100%);

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 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-color: var(--body-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

/* =============================================
   Typography
   ============================================= */

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

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   Buttons
   ============================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

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

.btn-white:hover {
    background: var(--light-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* =============================================
   Navbar
   ============================================= */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.navbar.scrolled .logo {
    color: var(--text-primary);
}

.logo i {
    color: var(--accent-color);
    font-size: 28px;
}

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

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: white;
}

.navbar.scrolled .nav-link {
    color: var(--text-secondary);
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-actions .btn-outline {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.nav-actions .btn-outline:hover {
    background: white;
    color: var(--primary-color);
    border-color: white;
}

.navbar.scrolled .nav-actions .btn-outline {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
}

.navbar.scrolled .mobile-toggle {
    color: var(--text-primary);
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    padding: 120px 0 80px;
    overflow: hidden;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-color);
    top: -200px;
    right: -200px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -100px;
    left: -100px;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0.3;
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    color: white;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 14px;
    margin-bottom: 24px;
}

.hero-badge i {
    color: var(--warning-color);
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-title .gradient-text {
    background: linear-gradient(135deg, #818cf8 0%, #c4b5fd 50%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 500px;
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: left;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: white;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* Dashboard Preview */
.hero-image {
    position: relative;
}

.dashboard-preview {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    overflow: hidden;
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f1f5f9;
    border-bottom: 1px solid #e2e8f0;
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e1;
}

.preview-dots span:first-child { background: #ef4444; }
.preview-dots span:nth-child(2) { background: #f59e0b; }
.preview-dots span:last-child { background: #10b981; }

.preview-title {
    font-size: 12px;
    color: var(--text-muted);
    flex: 1;
    text-align: center;
}

.preview-content {
    display: flex;
    min-height: 300px;
}

.preview-sidebar {
    width: 60px;
    background: var(--gradient-dark);
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.preview-menu-item {
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

.preview-menu-item.active {
    background: rgba(255, 255, 255, 0.25);
}

.preview-main {
    flex: 1;
    padding: 20px;
    background: #f8fafc;
}

.preview-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.preview-card {
    height: 60px;
    border-radius: 8px;
}

.preview-card.card-1 { background: var(--gradient-primary); }
.preview-card.card-2 { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.preview-card.card-3 { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }

.preview-chart {
    height: 120px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
}

/* Hero Scroll */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.hero-scroll a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* =============================================
   Brands Section
   ============================================= */

.brands {
    padding: 60px 0;
    background: var(--light-color);
    border-bottom: 1px solid #e2e8f0;
}

.brands-title {
    text-align: center;
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 32px;
}

.brands-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.brand-item {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.6;
}

/* =============================================
   Features Section
   ============================================= */

.features {
    padding: 120px 0;
}

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

.feature-card {
    position: relative;
    padding: 32px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.feature-card.featured {
    background: var(--gradient-primary);
    border-color: transparent;
    color: white;
}

.feature-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    padding: 4px 12px;
    background: var(--warning-color);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.feature-card.featured .feature-icon {
    background: rgba(255, 255, 255, 0.2);
}

.feature-card.featured .feature-icon i {
    color: white;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.feature-card.featured p {
    color: rgba(255, 255, 255, 0.8);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.feature-list li i {
    color: var(--accent-color);
}

.feature-card.featured .feature-list li {
    color: rgba(255, 255, 255, 0.9);
}

.feature-card.featured .feature-list li i {
    color: white;
}

/* =============================================
   AI Section
   ============================================= */

.ai-section {
    padding: 120px 0;
    background: var(--light-color);
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.ai-text .section-title {
    text-align: left;
}

.ai-text .section-subtitle {
    text-align: left;
    margin-bottom: 40px;
}

.ai-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.ai-feature {
    display: flex;
    gap: 16px;
}

.ai-feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.ai-feature-icon i {
    font-size: 20px;
    color: white;
}

.ai-feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.ai-feature-text p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Chat Window */
.chat-window {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--gradient-primary);
    color: white;
}

.chat-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.chat-avatar i {
    font-size: 20px;
}

.chat-info {
    display: flex;
    flex-direction: column;
}

.chat-name {
    font-weight: 600;
}

.chat-status {
    font-size: 12px;
    opacity: 0.8;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-status i {
    font-size: 8px;
    color: var(--accent-color);
}

.chat-messages {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 300px;
    background: #f8fafc;
}

.message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    position: relative;
}

.message p {
    font-size: 14px;
    line-height: 1.5;
}

.message .time {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    text-align: right;
}

.message.received {
    background: white;
    border: 1px solid #e2e8f0;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.message.sent {
    background: var(--gradient-primary);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 4px;
}

.message.sent .time {
    color: rgba(255, 255, 255, 0.7);
}

.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 8px 0;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-8px); }
}

/* =============================================
   How it Works
   ============================================= */

.how-it-works {
    padding: 120px 0;
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
}

.step {
    flex: 1;
    max-width: 280px;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 80px;
    font-weight: 800;
    color: rgba(99, 102, 241, 0.1);
    line-height: 1;
    z-index: 0;
}

.step-icon {
    position: relative;
    z-index: 1;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    margin: 0 auto 24px;
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3);
}

.step-icon i {
    font-size: 32px;
    color: white;
}

.step h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.step-connector {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    margin-top: 40px;
    opacity: 0.3;
}

/* =============================================
   Pricing Section
   ============================================= */

.pricing {
    padding: 120px 0;
    background: var(--light-color);
}

/* Credits Explanation */
.credits-explanation {
    background: white;
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-bottom: 48px;
    box-shadow: var(--shadow-md);
}

.credits-info {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 24px;
}

.credits-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.credits-icon i {
    font-size: 28px;
    color: white;
}

.credits-text h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.credits-text p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.credits-uses {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.credit-use {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.credit-use i {
    color: var(--primary-color);
    font-size: 16px;
}

/* Welcome Bonus */
.welcome-bonus {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 28px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    border: 2px solid var(--accent-color);
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
}

.bonus-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    border-radius: 50%;
    flex-shrink: 0;
}

.bonus-icon i {
    font-size: 24px;
    color: white;
}

.bonus-text {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.bonus-highlight {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 16px;
}

.bonus-items {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.bonus-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--accent-color);
}

.bonus-item i {
    font-size: 14px;
}

/* Instances Section */
.instances-section {
    margin-top: 60px;
    padding: 48px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.instances-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.instances-header {
    margin-bottom: 40px;
}

.instances-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.instances-icon i {
    font-size: 28px;
    color: white;
}

.instances-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.instances-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 500px;
    margin: 0 auto;
}

.instances-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.instance-plan {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 28px 20px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.instance-plan:hover {
    border-color: var(--primary-light);
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.15);
}

.instance-plan.featured {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    border-color: transparent;
    transform: scale(1.05);
    box-shadow: 0 16px 40px rgba(99, 102, 241, 0.35);
}

.instance-plan.featured:hover {
    transform: scale(1.05) translateY(-6px);
}

.instance-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 16px;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.instance-plan-header {
    margin-bottom: 16px;
}

.instance-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.instance-plan.featured .instance-name {
    color: rgba(255, 255, 255, 0.9);
}

.instance-count {
    margin-bottom: 16px;
}

.count-number {
    display: block;
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 4px;
}

.instance-plan.featured .count-number {
    color: white;
}

.count-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.instance-plan.featured .count-label {
    color: rgba(255, 255, 255, 0.8);
}

.instance-price {
    padding-top: 16px;
    border-top: 1px solid #e2e8f0;
}

.instance-plan.featured .instance-price {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.price-value {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.instance-plan.featured .price-value {
    color: white;
}

.price-period {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.instance-plan.featured .price-period {
    color: rgba(255, 255, 255, 0.7);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.pricing-card {
    position: relative;
    padding: 40px 32px;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-xl);
    transition: var(--transition-normal);
}

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

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--gradient-primary);
    color: white;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}

.pricing-description {
    color: var(--text-secondary);
    font-size: 14px;
}

.pricing-price {
    text-align: center;
    margin-bottom: 16px;
}

.pricing-price .currency {
    font-size: 24px;
    font-weight: 600;
    vertical-align: top;
    color: var(--text-primary);
}

.pricing-price .amount {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
}

.pricing-price .period {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.pricing-credits {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.pricing-credits i {
    color: var(--warning-color);
    font-size: 20px;
}

.pricing-credits span {
    font-weight: 600;
    color: var(--text-primary);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--accent-color);
    font-size: 18px;
}

.pricing-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 20px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
}

.pricing-note i {
    color: var(--info-color);
    font-size: 20px;
    flex-shrink: 0;
}

.pricing-note p {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-note a {
    color: var(--primary-color);
    font-weight: 500;
}

/* =============================================
   Testimonials
   ============================================= */

.testimonials {
    padding: 120px 0;
}

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

.testimonial-card {
    padding: 32px;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-rating i {
    color: var(--warning-color);
    font-size: 16px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    border-radius: 50%;
}

.author-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

.author-role {
    font-size: 14px;
    color: var(--text-muted);
}

/* =============================================
   FAQ Section
   ============================================= */

.faq {
    padding: 120px 0;
    background: var(--light-color);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
}

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

.faq-question i {
    transition: var(--transition-fast);
}

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

.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 24px 20px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =============================================
   CTA Section
   ============================================= */

.cta {
    padding: 120px 0;
    background: var(--gradient-hero);
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    margin-bottom: 24px;
}

.cta-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* =============================================
   Footer
   ============================================= */

.footer {
    padding: 80px 0 40px;
    background: var(--darker-color);
    color: white;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-contact li i {
    color: var(--primary-light);
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact a:hover {
    color: white;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

/* =============================================
   Responsive Design
   ============================================= */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        max-width: 100%;
    }

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

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

    .hero-image {
        display: none;
    }

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

    .ai-content {
        grid-template-columns: 1fr;
    }

    .ai-text .section-title,
    .ai-text .section-subtitle {
        text-align: center;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .instance-plan.featured {
        transform: scale(1);
    }

    .instance-plan.featured:hover {
        transform: translateY(-6px);
    }

    .welcome-bonus {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .bonus-items {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu,
    .nav-actions {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-menu.active {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: white;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active .nav-link {
        color: var(--text-primary);
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

    .credits-explanation {
        padding: 24px;
    }

    .credits-info {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .credits-uses {
        justify-content: center;
    }

    .credit-use {
        font-size: 13px;
        padding: 8px 12px;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .footer-social {
        justify-content: center;
    }

    .instances-section {
        padding: 32px 20px;
    }

    .instances-icon {
        width: 56px;
        height: 56px;
    }

    .instances-icon i {
        font-size: 24px;
    }

    .instances-title {
        font-size: 22px;
    }

    .instances-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .instance-plan {
        padding: 20px 16px;
    }

    .count-number {
        font-size: 36px;
    }

    .welcome-bonus {
        padding: 20px;
    }

    .bonus-item {
        padding: 10px 16px;
        font-size: 13px;
    }

    .bonus-item i {
        font-size: 18px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 32px;
    }

    .section-title {
        font-size: 28px;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 15px;
    }

    .feature-card {
        padding: 24px;
    }

    .pricing-card {
        padding: 32px 24px;
    }

    .instances-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .instance-plan {
        padding: 16px 12px;
    }

    .instance-name {
        font-size: 12px;
    }

    .count-number {
        font-size: 28px;
    }

    .count-label {
        font-size: 11px;
    }

    .price-value {
        font-size: 16px;
    }

    .price-period {
        font-size: 10px;
    }

    .instance-badge {
        font-size: 9px;
        padding: 4px 10px;
        top: -10px;
    }

    .welcome-bonus h3 {
        font-size: 16px;
    }

    .bonus-items {
        flex-direction: column;
        gap: 8px;
    }

    .bonus-item {
        width: 100%;
        justify-content: center;
    }
}