@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

@property --border-angle {
    syntax: '<angle>';
    inherits: false;
    initial-value: 0deg;
}

:root {
    --bg-light: #f1f6fc;
    --bg-white: #ffffff;
    --primary: #2563eb; /* Deeper, clearer Blue */
    --primary-glow: rgba(37, 99, 235, 0.25);
    --secondary: #4f46e5; /* Indigo */
    --secondary-glow: rgba(79, 70, 229, 0.25);
    --accent: #0284c7; /* Clear Cyan/Sky-Blue */
    --accent-glow: rgba(2, 132, 199, 0.3);
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-border: rgba(37, 99, 235, 0.15);
    --text-main: #334155; /* Slate 700 */
    --text-muted: #475569; /* Slate 600 (Darker for clarity) */
    --text-bright: #0f172a; /* Slate 900 */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-light);
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-light);
    position: relative;
}

/* Background Cyber Grid & Glowing Clouds */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 180, 216, 0.12) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 180, 216, 0.12) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center top;
    pointer-events: none;
    z-index: 0;
}

/* Floating blur gradients - Light Theme Glows */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

.glow-primary {
    background: #c3daff;
    width: 500px;
    height: 500px;
    top: 5%;
    left: -200px;
}

.glow-secondary {
    background: #e0d5ff;
    width: 600px;
    height: 600px;
    top: 25%;
    right: -250px;
}

.glow-accent {
    background: #bbf7f5;
    width: 400px;
    height: 400px;
    bottom: 10%;
    left: 5%;
}

/* Cloud shapes in background */
.cloud-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.8) 0%, transparent 40%),
        radial-gradient(circle at 80% 45%, rgba(255, 255, 255, 0.9) 0%, transparent 35%),
        radial-gradient(circle at 40% 75%, rgba(255, 255, 255, 0.85) 0%, transparent 45%);
    pointer-events: none;
    z-index: 0;
}

/* Wrapper to contain pages and raise above background z-index */
.app-container {
    position: relative;
    z-index: 10;
    width: 100%;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-bright);
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-size: 3.25rem;
    font-weight: 800;
}

h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
    text-align: center;
}

p {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--text-bright) 30%, var(--primary) 75%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.accent-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(241, 246, 252, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
    transition: var(--transition-smooth);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.55rem;
    color: var(--primary);
}

.logo-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.15rem;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

.nav-menu {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 2rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(79, 70, 229, 0.35);
    filter: brightness(1.05);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.btn-secondary:hover {
    background: var(--bg-white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15);
}

.btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
    font-weight: 700;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
    filter: brightness(1.05);
}

.btn-sm {
    padding: 0.55rem 1.4rem;
    font-size: 0.88rem;
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-bright);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    padding: 190px 0 110px 0;
    position: relative;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
    align-items: center;
}

.hero-content h1 {
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.12rem;
    margin-bottom: 2.8rem;
    max-width: 550px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1.2rem;
}

/* Cyber Cloud Illustration (Hero Visual - Saturated and Clear Colors) */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.cyber-card-container {
    position: relative;
    width: 100%;
    max-width: 410px;
    height: 410px;
    perspective: 1000px;
}

.cyber-card {
    width: 100%;
    height: 100%;
    border-radius: 28px;
    /* Clearer background with higher opacity for saturation */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(240, 249, 255, 0.9));
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 2px solid rgba(37, 99, 235, 0.25); /* Saturated border */
    box-shadow: 
        0 15px 45px rgba(0, 0, 0, 0.08), 
        0 0 25px rgba(37, 99, 235, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2.5rem;
    overflow: hidden;
    position: relative;
    animation: floatCard 6s ease-in-out infinite;
}

.cyber-card::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    /* Stronger neon background glow overlay */
    background: radial-gradient(circle, rgba(37, 99, 235, 0.18) 0%, transparent 60%);
    top: -25%;
    left: -25%;
    pointer-events: none;
    animation: rotateGlow 12s linear infinite;
}

.cyber-logo-text {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3.5rem;
    /* Clearer, deeper gradient */
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 2px;
    /* Stronger glow to make it stand out */
    filter: drop-shadow(0 4px 12px rgba(37, 99, 235, 0.4));
    margin-top: 1rem;
    z-index: 2;
}

/* Saturated SVG styles for Image 3 details */
.cyber-svg-network {
    position: absolute;
    width: 120%;
    height: 120%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.95; /* Highly visible */
}

/* Force colors on SVG paths and circles to make diagram crystal clear */
.cyber-svg-network path {
    stroke: rgba(37, 99, 235, 0.35) !important;
    stroke-width: 1.2px !important;
}

.cyber-svg-network circle {
    fill: #00b4d8 !important;
    r: 4.5px !important; /* Larger circles */
    stroke: #ffffff !important;
    stroke-width: 1.5px !important;
    filter: drop-shadow(0 0 5px rgba(0, 180, 216, 0.8));
}

.cyber-svg-network circle:nth-child(even) {
    fill: #7c3aed !important;
    filter: drop-shadow(0 0 5px rgba(124, 58, 237, 0.8));
}

.cyber-card-footer {
    margin-top: auto;
    z-index: 2;
    text-align: center;
    background: rgba(37, 99, 235, 0.08);
    padding: 0.6rem 1.6rem;
    border-radius: 9999px;
    font-size: 0.82rem;
    letter-spacing: 1px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    color: var(--primary);
    font-weight: 700;
}

/* Sections Base Styling */
.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 4.5rem auto;
    text-align: center;
}

.section-header h2 {
    margin-bottom: 1rem;
}

/* Neon Pulse Animation for Blog Cards (亮下亮下的呼吸灯效果) */
@keyframes neonPulse {
    0% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03), 0 0 0 1px rgba(37, 99, 235, 0.1);
        border-color: rgba(37, 99, 235, 0.18);
    }
    50% {
        box-shadow: 0 10px 35px rgba(0, 180, 216, 0.18), 0 0 14px rgba(0, 180, 216, 0.32);
        border-color: rgba(0, 180, 216, 0.55);
    }
    100% {
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03), 0 0 0 1px rgba(37, 99, 235, 0.1);
        border-color: rgba(37, 99, 235, 0.18);
    }
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2rem;
    align-items: stretch;
}

/* rotateBorder animation using CSS property for walking border lights */
@keyframes rotateBorder {
    to {
        --border-angle: 360deg;
    }
}

/* floatSway animation for walking/moving pricing cards (走动的卡片) */
@keyframes floatSway {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    33% {
        transform: translateY(-8px) rotate(0.4deg);
    }
    66% {
        transform: translateY(-4px) rotate(-0.4deg);
    }
}

.pricing-card {
    background: var(--bg-white);
    border-radius: 24px;
    padding: 2.8rem 2.4rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    position: relative;
    z-index: 1;
    
    /* 使卡片呈规律走动/晃动状态 */
    animation: floatSway 8s infinite ease-in-out;
}

.pricing-card:nth-child(2) {
    animation-delay: 2.2s;
}

.pricing-card:nth-child(3) {
    animation-delay: 4.4s;
}

/* 走动/跑马灯式炫彩发光边框 */
.pricing-card::before {
    content: '';
    position: absolute;
    inset: -2px; /* Slight offset to act as border */
    background: conic-gradient(from var(--border-angle), var(--primary), var(--accent), var(--secondary), var(--accent), var(--primary));
    border-radius: 26px;
    z-index: -1;
    animation: rotateBorder 6s linear infinite;
    opacity: 0.75;
    transition: var(--transition-smooth);
}

.pricing-card::after {
    content: '';
    position: absolute;
    inset: 1px; /* Inner card body background mask */
    background: var(--bg-white);
    border-radius: 23px;
    z-index: -1;
    transition: var(--transition-smooth);
}

.pricing-card.featured::after {
    background: linear-gradient(180deg, rgba(37, 99, 235, 0.04) 0%, rgba(255, 255, 255, 1) 100%);
}

.pricing-card:hover {
    transform: translateY(-12px) scale(1.02);
    animation-play-state: paused;
    box-shadow: 
        0 20px 45px rgba(37, 99, 235, 0.22),
        0 0 25px rgba(0, 180, 216, 0.25);
}

.pricing-card:hover::before {
    opacity: 1;
    animation-duration: 3s; /* Speed up border light flow on hover */
}

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

.pricing-card.featured::after {
    content: '';
}

.pricing-card.featured .btn-secondary {
    background: var(--primary);
    color: white;
}

.pricing-card h3 {
    font-size: 1.45rem;
    margin-bottom: 0.4rem;
}

.price-box {
    margin: 1.5rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.2rem;
}

.price-currency {
    font-size: 1.3rem;
    color: var(--text-bright);
    font-weight: 600;
}

.price-amount {
    font-size: 2.85rem;
    font-weight: 800;
    color: var(--text-bright);
    font-family: var(--font-heading);
}

.price-period {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.pricing-card hr {
    border: none;
    border-top: 1px solid rgba(37, 99, 235, 0.1);
    margin: 1.5rem 0;
}

.features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.95rem;
    margin-bottom: 2.5rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-main);
}

.features-list li svg {
    color: var(--accent);
    flex-shrink: 0;
}

.features-list li.disabled {
    color: var(--text-muted);
    opacity: 0.45;
}

.features-list li.disabled svg {
    color: var(--text-muted);
}

.pricing-card .btn {
    width: 100%;
    margin-top: auto;
    z-index: 10;
}

.pricing-card.featured::before {
    background: conic-gradient(from var(--border-angle), var(--primary), var(--secondary), var(--accent), var(--secondary), var(--primary));
}

.pricing-badge {
    position: absolute;
    top: 15px;
    right: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(79, 70, 229, 0.2);
    z-index: 10;
}

/* 🏁 流媒体无缝滚动区域设计 (Marquee Scroller - 自动走动) */
.streaming-slider {
    overflow: hidden;
    width: 100%;
    position: relative;
    margin-top: 2.5rem;
    padding: 12px 0;
}

.streaming-slider::before,
.streaming-slider::after {
    content: '';
    position: absolute;
    top: 0;
    width: 120px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}
.streaming-slider::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-light), transparent);
}
.streaming-slider::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-light), transparent);
}

.streaming-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: marqueeScroll 25s linear infinite; /* 无缝自动走动动效 */
}

.streaming-track:hover {
    animation-play-state: paused; /* 悬停时静止方便点击 */
}

@keyframes marqueeScroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 0.75rem)); /* 纯数学校准，无缝衔接 */
    }
}

.streaming-item {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 18px;
    padding: 1.6rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    transition: var(--transition-smooth);
    width: 175px;
    flex-shrink: 0;
}

.streaming-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    background: rgba(37, 99, 235, 0.04);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.12);
}

.streaming-icon {
    font-size: 2.2rem;
}

.streaming-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-bright);
}

.streaming-status {
    font-size: 0.75rem;
    color: var(--accent);
    background: rgba(0, 180, 216, 0.15);
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-weight: 600;
}

/* Core Advantages Grid */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.advantage-card {
    background: var(--card-bg);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 24px;
    padding: 2.5rem;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.advantage-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.1);
}

.advantage-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(0, 180, 216, 0.08));
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.advantage-card p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Latest Reviews / Blog List Section - 亮下亮下的呼吸霓虹灯卡片 */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2rem;
}

.blog-card {
    background: var(--card-bg);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    
    /* 呼吸亮灯动画，时间交错 */
    animation: neonPulse 4.5s infinite ease-in-out;
}

.blog-card:nth-child(2n) {
    animation-delay: 1.5s;
}

.blog-card:nth-child(3n) {
    animation-delay: 3s;
}

.blog-card:hover {
    transform: translateY(-6px);
    animation-play-state: paused; /* 悬停时常亮 */
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(37, 99, 235, 0.22), 0 0 18px rgba(37, 99, 235, 0.18);
}

.blog-card-content {
    padding: 2.2rem 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    display: flex;
    gap: 1.2rem;
    font-weight: 500;
}

.blog-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    line-height: 1.45;
    transition: var(--transition-smooth);
}

.blog-card:hover h3 {
    color: var(--primary);
}

.blog-card p {
    font-size: 0.92rem;
    margin-bottom: 1.6rem;
    flex-grow: 1;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card .read-more {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: var(--transition-smooth);
}

.blog-card .read-more:hover {
    color: var(--accent);
}

/* Testimonials (跳上跳下的评价卡片) */
@keyframes jumpUpDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2rem;
}

.testimonial-card {
    background: var(--card-bg);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 24px;
    padding: 2.4rem;
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    
    /* 跳上跳下的悬浮弹性动画 */
    animation: jumpUpDown 4s infinite ease-in-out;
}

.testimonial-card:nth-child(2) {
    animation-delay: 1.3s;
}

.testimonial-card:nth-child(3) {
    animation-delay: 2.6s;
}

.testimonial-card:hover {
    animation-play-state: paused; /* 悬停时悬空静止 */
    transform: translateY(-15px);
    border-color: var(--primary);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.15);
}

.testimonial-content {
    font-size: 0.98rem;
    color: var(--text-main);
    line-height: 1.65;
    margin-bottom: 1.8rem;
    flex-grow: 1;
    font-style: italic;
}

.testimonial-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.05rem;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.15);
}

.user-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.user-info p {
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* FAQ Accordion */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.faq-item {
    background: var(--card-bg);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

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

.faq-header {
    padding: 1.6rem 2.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.faq-question {
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--text-bright);
}

.faq-icon {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

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

.faq-content {
    padding: 0 2.2rem 1.8rem 2.2rem;
    color: var(--text-muted);
    font-size: 0.96rem;
    line-height: 1.7;
}

.faq-item.active .faq-body {
    max-height: 300px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--primary);
}

/* Footer & Friendly Links (SEO PBN Weight Infiltration) */
footer {
    background: #e9eff7;
    border-top: 1px solid rgba(37, 99, 235, 0.1);
    padding: 5rem 0 2rem 0;
    position: relative;
    z-index: 10;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    gap: 3rem;
}

.footer-brand {
    max-width: 350px;
}

.footer-brand p {
    margin-top: 1rem;
    font-size: 0.95rem;
}

.footer-links-col {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.footer-links-col h4 {
    font-size: 1.1rem;
    position: relative;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links-list a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    font-weight: 500;
}

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

.footer-bottom {
    border-top: 1px solid rgba(37, 99, 235, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.copyright {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* PBN Friendly Link Area */
.friend-links-area {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.friend-links-title {
    font-size: 0.82rem;
    color: rgba(100, 116, 139, 0.5);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.friend-link {
    font-size: 0.82rem;
    color: rgba(100, 116, 139, 0.8);
    text-decoration: none;
    transition: var(--transition-smooth);
    border-bottom: 1px dotted rgba(100, 116, 139, 0.4);
    padding-bottom: 1px;
    font-weight: 600;
}

.friend-link:hover {
    color: var(--primary);
    border-color: var(--primary);
}

/* Single Blog Page Styles */
.blog-post-page {
    padding: 170px 0 100px 0;
}

.blog-post-header {
    max-width: 800px;
    margin: 0 auto 3rem auto;
    text-align: center;
}

.blog-post-header h1 {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 1.2rem;
}

.blog-post-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.blog-post-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-bg);
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 28px;
    padding: 3.5rem;
    box-shadow: 0 15px 40px rgba(0,0,0,0.03);
}

.blog-post-content p {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-main);
    margin-bottom: 1.8rem;
}

.blog-post-content h2 {
    font-size: 1.75rem;
    text-align: left;
    margin: 2.5rem 0 1.2rem 0;
    color: var(--text-bright);
}

.blog-post-content h3 {
    font-size: 1.35rem;
    margin: 2rem 0 1rem 0;
    color: var(--text-bright);
}

.blog-post-content ul, .blog-post-content ol {
    margin-bottom: 1.8rem;
    padding-left: 1.5rem;
}

.blog-post-content li {
    margin-bottom: 0.6rem;
    color: var(--text-main);
}

.blog-post-content strong {
    color: var(--text-bright);
}

.blog-post-content a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-smooth);
    border-bottom: 1px dashed var(--primary);
}

.blog-post-content a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

.blog-post-cta {
    margin-top: 3.5rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(79, 70, 229, 0.06));
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
}

.blog-post-cta h3 {
    margin-bottom: 0.8rem;
}

.blog-post-cta p {
    margin-bottom: 1.5rem;
}

/* Custom Red Cursor Trail Styles */
.cursor-trail {
    position: fixed;
    width: 9px;
    height: 9px;
    background: #ff0033; /* Pure glowing neon red */
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate(-50%, -50%);
    box-shadow: 
        0 0 6px #ff3366, 
        0 0 15px #ff0033, 
        0 0 25px rgba(255, 0, 51, 0.4);
    animation: fadeAndShrink 0.6s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

@keyframes fadeAndShrink {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.3);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.1);
    }
}

/* Glowing Background Grid Intersections */
.grid-sparkle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
    box-shadow: 
        0 0 8px var(--accent), 
        0 0 18px #00f2fe, 
        0 0 28px #ffffff;
    animation: sparkleBlink 3.5s infinite ease-in-out;
}

@keyframes sparkleBlink {
    0%, 100% {
        opacity: 0.12;
        transform: scale(0.7);
        box-shadow: 0 0 4px var(--accent);
    }
    50% {
        opacity: 0.95;
        transform: scale(1.5);
        box-shadow: 
            0 0 16px var(--accent), 
            0 0 25px #00f2fe, 
            0 0 35px #ffffff;
    }
}

/* Animations */
@keyframes floatCard {
    0%, 100% {
        transform: translateY(0) rotateY(0deg);
    }
    50% {
        transform: translateY(-15px) rotateY(2deg);
    }
}

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

/* Responsive Web Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.75rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 4rem;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .pricing-grid, .advantages-grid, .blog-grid, .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none; /* JS will toggle active class */
    }
    
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-white);
        border-bottom: 1px solid rgba(37, 99, 235, 0.1);
        padding: 2rem;
        gap: 1.5rem;
        z-index: 999;
        box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .pricing-grid, .advantages-grid, .blog-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-section {
        padding: 130px 0 60px 0;
    }
    
    .blog-post-content {
        padding: 2.2rem 1.5rem;
    }
    
    .blog-post-header h1 {
        font-size: 2rem;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
}