@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&family=Noto+Sans+SC:wght@300;400;700;900&display=swap');

:root {
    --bg-color: #05060b;
    --card-bg: rgba(10, 12, 22, 0.75);
    --border-color: rgba(0, 242, 254, 0.15);
    --cyan-glow: #00f2fe;
    --purple-glow: #9b51e0;
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --accent-grad: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    --magic-grad: linear-gradient(135deg, #00f2fe 0%, #9b51e0 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Outfit', 'Noto Sans SC', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background image overlay with magical hue rotate */
.hero-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
    opacity: 0.85;
    filter: hue-rotate(130deg) brightness(0.95) contrast(1.1);
    transform: scale(1.05);
    animation: slow-zoom 25s infinite alternate ease-in-out;
}

@keyframes slow-zoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--bg-color) 45%, rgba(5, 6, 11, 0.45) 75%, transparent 100%),
                linear-gradient(to bottom, transparent 60%, var(--bg-color) 100%);
}

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

/* Navigation */
header {
    padding: 24px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    background: rgba(5, 6, 11, 0.6);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-size: 26px;
    font-weight: 800;
    background: var(--magic-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
    letter-spacing: 1px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--magic-grad);
    box-shadow: 0 0 12px var(--cyan-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    animation: pulse 2s infinite;
    -webkit-text-fill-color: initial;
    -webkit-background-clip: initial;
    background-clip: initial;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 12px var(--cyan-glow); }
    50% { transform: scale(1.08); box-shadow: 0 0 20px var(--cyan-glow), 0 0 30px var(--purple-glow); }
    100% { transform: scale(1); box-shadow: 0 0 12px var(--cyan-glow); }
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s, text-shadow 0.3s;
}

nav a:hover {
    color: var(--cyan-glow);
    text-shadow: 0 0 8px var(--cyan-glow);
}

.btn-nav {
    background: rgba(0, 242, 254, 0.1);
    border: 1px solid var(--cyan-glow);
    padding: 8px 20px;
    border-radius: 30px;
    color: var(--cyan-glow) !important;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-nav:hover {
    background: var(--accent-grad);
    color: #000 !important;
    box-shadow: 0 0 15px var(--cyan-glow);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: calc(90vh - 80px);
    display: flex;
    align-items: center;
    position: relative;
    padding: 80px 0;
}

.hero-content {
    max-width: 700px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(155, 81, 224, 0.15);
    border: 1px solid rgba(155, 81, 224, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: #d8b4fe;
    margin-bottom: 24px;
    box-shadow: 0 0 10px rgba(155, 81, 224, 0.2);
}

.badge .dot {
    width: 6px;
    height: 6px;
    background-color: var(--cyan-glow);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--cyan-glow);
    animation: flash 1.5s infinite;
}

@keyframes flash {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

h1 span.brand {
    background: var(--magic-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

h1 span.highlight {
    color: var(--cyan-glow);
    text-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.cta-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--magic-grad);
    color: #fff;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 242, 254, 0.4), 0 0 30px rgba(155, 81, 224, 0.2);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 30px rgba(0, 242, 254, 0.6), 0 0 40px rgba(155, 81, 224, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(180deg, #fff 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* Core Features Infinite Marquee Section */
.feature-marquee-container {
    overflow: hidden;
    width: 100%;
    position: relative;
    padding: 20px 0;
    mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

.feature-marquee-track {
    display: flex;
    width: max-content;
    animation: marquee 30s linear infinite;
}

.feature-marquee-track:hover {
    animation-play-state: paused;
}

.marquee-group {
    display: flex;
    gap: 30px;
    padding-right: 30px;
}

.marquee-group .feature-card {
    width: 320px;
    flex-shrink: 0;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px 30px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,242,254,0.08) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 242, 254, 0.4);
    box-shadow: 0 20px 40px rgba(0, 242, 254, 0.1);
}

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

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: rgba(0, 242, 254, 0.08);
    border: 1px solid rgba(0, 242, 254, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--cyan-glow);
    margin-bottom: 24px;
    text-shadow: 0 0 10px var(--cyan-glow);
    box-shadow: 0 0 15px rgba(0, 242, 254, 0.1);
}

.feature-card:hover .feature-icon-wrapper {
    background: var(--magic-grad);
    color: #fff;
    box-shadow: 0 0 20px var(--cyan-glow);
    border-color: transparent;
}

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

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

/* Pricing Section (Magical Style: Non-traditional fanned deck or hexagonal floating cards) */
.pricing {
    padding: 100px 0;
    background: radial-gradient(circle at top, rgba(155, 81, 224, 0.08) 0%, transparent 60%);
    position: relative;
}

/* Custom pricing layout: Floating rune cards */
.pricing-deck {
    display: flex;
    justify-content: center;
    align-items: stretch;
    gap: 40px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.price-card {
    background: rgba(12, 14, 25, 0.85);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 28px;
    padding: 40px;
    width: 100%;
    max-width: 360px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(15px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Magical Rune Deco */
.price-card::after {
    content: '✵ ✶ ✷';
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 14px;
    color: rgba(0, 242, 254, 0.2);
    letter-spacing: 2px;
}

.price-card.popular {
    border: 1px solid rgba(0, 242, 254, 0.4);
    box-shadow: 0 15px 40px rgba(0, 242, 254, 0.15), 0 0 20px rgba(155, 81, 224, 0.05);
    transform: translateY(-10px);
}

.price-card.popular::before {
    content: '魔幻推荐';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--magic-grad);
    color: #fff;
    padding: 4px 18px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 12px var(--cyan-glow);
}

.price-card:hover {
    transform: translateY(-15px) scale(1.03);
    border-color: var(--cyan-glow);
    box-shadow: 0 25px 50px rgba(0, 242, 254, 0.25), 0 0 35px rgba(155, 81, 224, 0.15);
}

.price-card-header {
    margin-bottom: 30px;
}

.tier-name {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.price-card.popular .tier-name {
    background: var(--magic-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.price-box {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--cyan-glow);
}

.price {
    font-size: 48px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
}

.period {
    font-size: 14px;
    color: var(--text-secondary);
    margin-left: 5px;
}

.price-card-features {
    list-style: none;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.price-card-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-primary);
}

.price-card-features li.disabled {
    color: rgba(255, 255, 255, 0.25);
    text-decoration: line-through;
}

.price-card-features li i {
    color: var(--cyan-glow);
    font-size: 16px;
}

.price-card-features li.disabled i {
    color: rgba(255, 255, 255, 0.15);
}

.btn-price {
    width: 100%;
    padding: 14px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    text-align: center;
    text-decoration: none;
    display: block;
    transition: all 0.3s;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
}

.price-card.popular .btn-price {
    background: var(--magic-grad);
    border: none;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
}

.price-card.popular .btn-price:hover {
    box-shadow: 0 6px 25px rgba(0, 242, 254, 0.4);
}

.price-card:hover .btn-price {
    background: var(--accent-grad);
    border-color: transparent;
    color: #000;
    box-shadow: 0 4px 15px var(--cyan-glow);
    transform: scale(1.02);
}

/* Article Portal Section */
.articles-section {
    padding: 100px 0;
    position: relative;
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.article-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-6px);
    border-color: rgba(155, 81, 224, 0.4);
    box-shadow: 0 15px 30px rgba(155, 81, 224, 0.1);
}

.article-thumb {
    height: 180px;
    width: 100%;
    position: relative;
    background: linear-gradient(135deg, rgba(10, 12, 22, 0.9) 0%, rgba(20, 24, 40, 0.9) 100%);
    overflow: hidden;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.75;
    transition: transform 0.5s ease, opacity 0.5s ease;
}

.article-card:hover .article-thumb img {
    transform: scale(1.08);
    opacity: 0.95;
}

.article-thumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, transparent 80%);
    z-index: 1;
}

.article-tag {
    position: absolute;
    bottom: 15px;
    left: 20px;
    background: rgba(0, 242, 254, 0.15);
    border: 1px solid var(--cyan-glow);
    color: var(--cyan-glow);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    z-index: 2;
}

.article-card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.article-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color 0.3s;
}

.article-card:hover h3 {
    color: var(--cyan-glow);
}

.article-card p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.article-link {
    color: var(--cyan-glow);
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    transition: gap 0.3s;
}

.article-card:hover .article-link {
    gap: 12px;
}

/* User Reviews Section */
.reviews {
    padding: 100px 0;
    background: radial-gradient(circle at bottom, rgba(0, 242, 254, 0.05) 0%, transparent 60%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 35px;
    backdrop-filter: blur(10px);
    position: relative;
}

.review-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 64px;
    color: rgba(255, 255, 255, 0.05);
    font-family: serif;
    line-height: 1;
}

.review-stars {
    color: #facc15;
    margin-bottom: 16px;
    font-size: 16px;
    text-shadow: 0 0 8px rgba(250, 204, 21, 0.4);
}

.review-card p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
    font-style: italic;
}

.reviewer {
    display: flex;
    align-items: center;
    gap: 15px;
}

.reviewer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--magic-grad);
    padding: 2px;
}

.reviewer-avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    background: #111;
}

.reviewer-info h4 {
    font-size: 16px;
    font-weight: 700;
}

.reviewer-info span {
    font-size: 13px;
    color: var(--cyan-glow);
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    position: relative;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-item {
    background: rgba(12, 14, 25, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item:hover {
    border-color: rgba(0, 242, 254, 0.3);
}

.faq-question {
    padding: 24px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 17px;
    user-select: none;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 30px;
    color: var(--text-secondary);
    font-size: 15px;
}

.faq-item.active {
    background: var(--card-bg);
    border-color: rgba(0, 242, 254, 0.4);
    box-shadow: 0 10px 20px rgba(0, 242, 254, 0.05);
}

.faq-item.active .faq-answer {
    max-height: 200px; /* arbitrary height to slide down */
    padding-bottom: 24px;
}

.faq-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--cyan-glow);
    transition: transform 0.3s;
}

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

/* Article Template Custom Styles */
.article-detail {
    padding: 60px 0 100px;
}

.article-meta {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    margin: 20px 0 40px;
    flex-wrap: wrap;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 1.8;
}

.article-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 40px 0 20px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 10px;
}

.article-content p {
    margin-bottom: 24px;
    color: #d1d5db;
}

.article-content ul, .article-content ol {
    margin: 0 0 24px 24px;
}

.article-content li {
    margin-bottom: 10px;
}

.article-content a {
    color: var(--cyan-glow);
    text-decoration: underline;
    transition: color 0.3s;
}

.article-content a:hover {
    color: var(--purple-glow);
}

.article-cta {
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.08) 0%, rgba(155, 81, 224, 0.08) 100%);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    margin: 60px 0;
}

.article-cta h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
}

.article-cta p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Mouse trail elements container */
#magic-trail-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.trail-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: var(--cyan-glow);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    box-shadow: 0 0 8px var(--cyan-glow), 0 0 15px var(--cyan-glow);
    transition: width 0.1s, height 0.1s;
    animation: fade-out 0.8s forwards ease-out;
}

@keyframes fade-out {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(0.2); }
}

/* Footer & PBN Weight Link Tube */
footer {
    background: #030407;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    padding: 60px 0 30px;
    margin-top: 100px;
    position: relative;
    z-index: 10;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo {
    text-decoration: none;
    font-size: 20px;
    font-weight: 800;
    background: var(--magic-grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--cyan-glow);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.35);
}

/* Low-profile PBN Link Section (No rel="nofollow") */
.pbn-container {
    display: flex;
    gap: 16px;
    align-items: center;
}

.pbn-link {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55); /* Sleek blend style - more visible */
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.pbn-link:hover {
    color: var(--cyan-glow);
    text-shadow: 0 0 4px var(--cyan-glow);
    border-bottom-color: var(--cyan-glow);
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    h1 {
        font-size: 44px;
    }
    
    .pricing-deck {
        gap: 30px;
    }
    
    .price-card.popular {
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    header {
        padding: 16px 0;
    }
    
    nav ul {
        display: none; /* simple hidden layout for mobile or can style hamburger */
    }
    
    .hero {
        padding: 40px 0;
    }
    
    h1 {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 30px;
    }
    
    .cta-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    .pricing-deck {
        flex-direction: column;
        align-items: center;
    }
    
    .price-card {
        max-width: 100%;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .pbn-container {
        justify-content: center;
    }
}