/* ==========================================
   小龙虾AI - 高端科技风格
   xiaolongxiaaius.com
   ========================================== */

/* CSS Variables */
:root {
    --primary: #ff4d4d;
    --primary-dark: #cc0000;
    --primary-light: #ff7a7a;
    --accent: #00d4ff;
    --accent-dark: #0099cc;
    --bg-dark: #0a0a1a;
    --bg-darker: #050510;
    --bg-card: #111128;
    --bg-card-hover: #1a1a3e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-muted: #6a6a8a;
    --border: #2a2a4a;
    --gradient-primary: linear-gradient(135deg, #ff4d4d 0%, #ff8c00 100%);
    --gradient-accent: linear-gradient(135deg, #00d4ff 0%, #7b2ff7 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a1a 0%, #151530 100%);
    --shadow-glow: 0 0 40px rgba(255, 77, 77, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    color: var(--primary-light);
}

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

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

/* ==========================================
   Animated Background
   ========================================== */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 77, 77, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 77, 77, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.08;
    pointer-events: none;
    z-index: 0;
}

.bg-glow-1 {
    top: -200px;
    right: -200px;
    background: var(--primary);
}

.bg-glow-2 {
    bottom: -200px;
    left: -200px;
    background: var(--accent);
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: var(--transition);
    background: rgba(10, 10, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
    background: rgba(10, 10, 26, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}

.nav-links a {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-cta {
    background: var(--gradient-primary) !important;
    color: var(--text-primary) !important;
    padding: 8px 20px !important;
    border-radius: 24px !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(255, 77, 77, 0.4);
}

/* Mobile Menu */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(255, 77, 77, 0.1);
    border: 1px solid rgba(255, 77, 77, 0.2);
    border-radius: 100px;
    font-size: 14px;
    color: var(--primary-light);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero h1 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .accent {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    margin-top: 64px;
    animation: fadeInUp 0.8s ease 0.4s both;
}

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

.hero-stat .number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat .label {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Floating elements */
.hero-float {
    position: absolute;
    z-index: 1;
    opacity: 0.15;
    animation: float 6s ease-in-out infinite;
}

.hero-float-1 {
    top: 15%;
    left: 5%;
    font-size: 80px;
    animation-delay: 0s;
}

.hero-float-2 {
    top: 20%;
    right: 8%;
    font-size: 60px;
    animation-delay: 2s;
}

.hero-float-3 {
    bottom: 20%;
    left: 10%;
    font-size: 50px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 77, 77, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 77, 77, 0.5);
    color: white;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.btn-accent {
    background: var(--gradient-accent);
    color: white;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
    color: white;
}

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

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 18px;
    border-radius: 14px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
    border-radius: 8px;
}

/* ==========================================
   Section Styles
   ========================================== */
.section {
    position: relative;
    z-index: 2;
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-label::before,
.section-label::after {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--primary);
    opacity: 0.5;
}

.section-title {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==========================================
   Cards
   ========================================== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 77, 77, 0.3);
    box-shadow: var(--shadow-glow);
}

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

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
    background: rgba(255, 77, 77, 0.1);
    color: var(--primary);
}

.card-icon.accent {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
}

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

.card p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

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

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 77, 77, 0.3);
    box-shadow: 0 12px 40px rgba(255, 77, 77, 0.1);
}

.feature-card:hover::after {
    transform: scaleX(1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
}

.feature-icon.red { background: rgba(255, 77, 77, 0.1); color: #ff4d4d; }
.feature-icon.blue { background: rgba(0, 212, 255, 0.1); color: #00d4ff; }
.feature-icon.purple { background: rgba(123, 47, 247, 0.1); color: #7b2ff7; }
.feature-icon.green { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.feature-icon.orange { background: rgba(255, 140, 0, 0.1); color: #ff8c00; }
.feature-icon.pink { background: rgba(236, 72, 153, 0.1); color: #ec4899; }

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

.feature-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==========================================
   Pricing Section
   ========================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.03);
    box-shadow: 0 0 60px rgba(255, 77, 77, 0.15);
}

.pricing-card.featured .pricing-badge {
    display: block;
}

.pricing-badge {
    display: none;
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--gradient-primary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 100px;
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 77, 77, 0.3);
}

.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-4px);
}

.pricing-name {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 4px;
    letter-spacing: -2px;
}

.pricing-price span {
    font-size: 18px;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--border);
}

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 0;
    font-size: 15px;
    color: var(--text-secondary);
}

.pricing-features li i {
    color: var(--primary);
    margin-top: 4px;
    flex-shrink: 0;
}

.pricing-features li.disabled {
    opacity: 0.4;
}

.pricing-features li.disabled i {
    color: var(--text-muted);
}

/* ==========================================
   Steps / Process
   ========================================== */
.steps {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 32px;
    position: relative;
    padding-bottom: 48px;
}

.step:last-child {
    padding-bottom: 0;
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    color: white;
    position: relative;
    z-index: 2;
}

.step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
    margin-top: 8px;
}

.step:last-child .step-line {
    display: none;
}

.step-content {
    padding-top: 4px;
}

.step-content h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

/* ==========================================
   About / Info Sections
   ========================================== */
.info-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.info-row.reverse {
    direction: rtl;
}

.info-row.reverse > * {
    direction: ltr;
}

.info-text h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.info-text p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 16px;
}

.info-visual {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
}

.info-visual.code-block {
    font-family: 'Fira Code', 'SF Mono', monospace;
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
}

.code-line {
    padding: 2px 0;
}

.code-line .keyword { color: #ff79c6; }
.code-line .string { color: #f1fa8c; }
.code-line .comment { color: #6272a4; }
.code-line .function { color: #50fa7b; }
.code-line .number { color: #bd93f9; }
.code-line .operator { color: #ff4d4d; }

/* Stats Bar */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 48px 0;
}

.stat-item {
    text-align: center;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.stat-number {
    font-size: 42px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ==========================================
   Integrations / Platforms
   ========================================== */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.platform-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}

.platform-item:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 77, 77, 0.3);
}

.platform-item i {
    font-size: 32px;
    margin-bottom: 12px;
    display: block;
}

.platform-item span {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ==========================================
   FAQ Section
   ========================================== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    background: var(--bg-card);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(255, 77, 77, 0.3);
}

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

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

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

/* ==========================================
   Contact Form
   ========================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.contact-info-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    transition: var(--transition);
}

.contact-info-card:hover {
    border-color: rgba(255, 77, 77, 0.3);
}

.contact-info-card i {
    font-size: 24px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-info-card h4 {
    font-size: 16px;
    margin-bottom: 6px;
}

.contact-info-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg-darker);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-main);
    transition: var(--transition);
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 77, 77, 0.1);
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form select {
    appearance: none;
    cursor: pointer;
}

.contact-form button[type="submit"] {
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

/* ==========================================
   Testimonials
   ========================================== */
.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.testimonial-stars {
    color: #fbbf24;
    margin-bottom: 16px;
    font-size: 16px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

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

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.testimonial-name {
    font-weight: 600;
    font-size: 15px;
}

.testimonial-role {
    font-size: 13px;
    color: var(--text-muted);
}

/* ==========================================
   CTA Section
   ========================================== */
.cta-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 80px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--text-secondary);
    font-size: 18px;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    position: relative;
    z-index: 2;
    border-top: 1px solid var(--border);
    padding: 64px 0 0;
    background: var(--bg-darker);
}

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

.footer-brand p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-top: 16px;
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
    transition: var(--transition);
}

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

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-bottom a {
    color: var(--text-muted);
    font-size: 13px;
}

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

.footer-designer {
    font-size: 13px;
    color: var(--text-muted);
}

.footer-designer a {
    color: var(--text-muted);
}

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

/* ==========================================
   Page Header (Sub Pages)
   ========================================== */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(255, 77, 77, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.page-header h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -1px;
    position: relative;
}

.page-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    color: var(--text-muted);
    position: relative;
}

.breadcrumb a {
    color: var(--text-muted);
}

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

/* ==========================================
   Use Cases
   ========================================== */
.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.use-case-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 77, 77, 0.3);
}

.use-case-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.use-case-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.use-case-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-darker) 100%);
}

.use-case-body {
    padding: 28px;
}

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

.use-case-body p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* ==========================================
   Tables
   ========================================== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
}

table th {
    background: rgba(255, 77, 77, 0.05);
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

table td {
    color: var(--text-secondary);
}

table tr:last-child td {
    border-bottom: none;
}

table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ==========================================
   Tags / Badges
   ========================================== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.tag-red {
    background: rgba(255, 77, 77, 0.1);
    color: var(--primary);
}

.tag-blue {
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent);
}

.tag-green {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* ==========================================
   Scrollbar
   ========================================== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-darker);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================
   Animations
   ========================================== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1024px) {
    .features-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .platforms-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

    .info-row.reverse {
        direction: ltr;
    }

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

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-dark);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        overflow-y: auto;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 14px 16px;
        font-size: 16px;
    }

    .mobile-toggle {
        display: block;
    }

    .hero h1 {
        font-size: 36px;
        letter-spacing: -1px;
    }

    .hero-desc {
        font-size: 16px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat .number {
        font-size: 28px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .features-grid,
    .pricing-grid,
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .stats-bar {
        grid-template-columns: 1fr 1fr;
    }

    .platforms-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 64px 0;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-section {
        padding: 48px 24px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

    .step {
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .platforms-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-number {
        font-size: 32px;
    }

    .pricing-price {
        font-size: 36px;
    }
}