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

:root {
    --primary: #fbbf24; /* Bright Yellow */
    --secondary: #ef4444; /* Vibrant Red */
    --accent: #f59e0b;
    --success: #10b981;
    --warning: #f59e0b;
    --bg-primary: #ffffff; /* White background */
    --bg-secondary: #f9fafb; /* Light gray background */
    --bg-light: #f9fafb; /* Alias for bg-secondary */
    --bg-accent: #fffbeb; /* Very light yellow */
    --text-primary: #111827; /* Almost black text */
    --text-secondary: #6b7280; /* Medium gray text */
    --text-tertiary: #9ca3af; /* Light gray text */
    --gradient-1: linear-gradient(135deg, #fbbf24 0%, #ef4444 100%);
    --gradient-2: linear-gradient(135deg, #fde047 0%, #f87171 100%);
    --border-color: #e5e7eb;
    --border-light: #f3f4f6;
    --card-bg: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

nav.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    z-index: 1002;
    transition: left 0.3s ease;
    overflow-y: auto;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
    padding: 0.5rem;
}

.mobile-nav-links {
    list-style: none;
    padding: 1rem 0;
}

.mobile-nav-links li {
    margin: 0;
}

.mobile-nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s ease;
}

.mobile-nav-links a:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

/* Theme Toggle & Utility Buttons */
.utility-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* Theme Toggle & Utility Buttons - REMOVED THEME TOGGLE */
.utility-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.print-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.print-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.copy-btn {
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
    border: 2px solid var(--primary);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-left: 0.5rem;
}

.copy-btn:hover {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
}

.copy-btn.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

/* PDF Download Button */
.pdf-download-btn {
    background: linear-gradient(135deg, var(--primary) 0%, #f59e0b 100%);
    border: none;
    color: #111827;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 700;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
    white-space: nowrap;
}

.pdf-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(251, 191, 36, 0.5);
    background: linear-gradient(135deg, #f59e0b 0%, var(--primary) 100%);
}

.pdf-download-btn:active {
    transform: translateY(-1px);
}

.pdf-download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Hero Section */
.hero {
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem 3rem 2rem;
    background: var(--bg-primary);
    position: relative;
    margin-top: 60px;
}

.hero-bg {
    display: none; /* Remove animated background */
}

.hero-circles {
    display: none; /* Remove floating circles */
}

.hero-content {
    max-width: 900px;
    text-align: center;
    animation: fadeInUp 0.8s ease;
}

.hero-content-wide {
    max-width: 1100px;
}

.hero-heading-large {
    font-size: 5rem !important;
    line-height: 1.1 !important;
    margin-bottom: 1.5rem !important;
    font-weight: 800 !important;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: var(--bg-accent);
    border: 1px solid var(--primary);
    border-radius: 50px;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

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

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

/* About Section */
.about-section {
    padding: 5rem 2rem;
    background: var(--bg-secondary);
}

.about-container {
    max-width: 1400px;
    margin: 0 auto;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.about-visual {
    position: sticky;
    top: 100px;
}

/* Demo Container */
.demo-container {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.demo-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 700;
}

.demo-note {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
}

.demo-animation {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1.5rem;
    position: relative;
}

.demo-search {
    position: relative;
    margin-bottom: 1.5rem;
}

.demo-search-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    transition: border-color 0.3s ease;
}

.demo-search-input.typing {
    border-color: var(--primary);
}

.demo-cursor {
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 20px;
    background: var(--primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.demo-results {
    animation: fadeInResults 0.5s ease-out 0.5s backwards;
}

@keyframes fadeInResults {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.demo-shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    border: 2px solid var(--border-color);
    animation: slideIn 0.4s ease-out backwards;
    transition: all 0.3s ease;
}

.demo-shortcut-item:hover {
    border-color: var(--primary);
    transform: translateX(3px);
}

.demo-shortcut-item.highlight {
    border-color: var(--primary);
    background: var(--bg-accent);
}

.demo-shortcut-item:nth-child(1) {
    animation-delay: 0.7s;
}

.demo-shortcut-item:nth-child(2) {
    animation-delay: 0.9s;
}

.demo-shortcut-item:nth-child(3) {
    animation-delay: 1.1s;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.demo-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.demo-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.demo-keys {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.demo-key {
    background: var(--text-primary);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 0.8rem;
    box-shadow: var(--shadow-sm);
}

.demo-plus {
    color: var(--text-tertiary);
    font-weight: 600;
    font-size: 0.85rem;
}

.demo-copy-btn {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    padding: 0.4rem 0.7rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeIn 0.3s ease-out forwards;
}

.demo-shortcut-item:nth-child(1) .demo-copy-btn {
    animation-delay: 2.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.demo-copy-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
}

.demo-copy-btn.clicked {
    background: var(--success);
    border-color: var(--success);
}

.demo-mouse-cursor {
    position: absolute;
    font-size: 1.2rem;
    pointer-events: none;
    opacity: 0;
    z-index: 10;
}

.demo-mouse-cursor.moving {
    animation: moveCursor 1.5s ease-in-out 2.3s forwards;
}

@keyframes moveCursor {
    0% {
        opacity: 0;
        top: 20%;
        right: 20%;
    }
    20% {
        opacity: 1;
    }
    80% {
        opacity: 1;
        top: 42%;
        right: 8%;
    }
    100% {
        opacity: 0;
        top: 42%;
        right: 8%;
    }
}

.demo-benefits {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.visual-card {
    background: var(--bg-accent);
    border: 2px solid var(--primary);
    border-radius: 16px;
    padding: 2.5rem;
}

.visual-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.benefit-list {
    list-style: none;
    padding: 0;
}

.benefit-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.benefit-list li:last-child {
    border-bottom: none;
}

.benefit-list strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
}

.how-container {
    max-width: 1400px;
    margin: 0 auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 2.5rem;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    margin: 0 auto 1.5rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

.stat-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Categories Section */
.categories {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.category-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2.5rem;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    border-radius: 20px 20px 0 0;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.category-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
    width: 80px;
    height: 80px;
    margin-left: auto;
    margin-right: auto;
}

.category-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.category-card:hover .category-icon img {
    transform: scale(1.1);
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.category-description {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.category-count {
    display: inline-block;
    background: var(--bg-accent);
    color: var(--text-primary);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid var(--primary);
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background: var(--bg-secondary);
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--bg-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    border: 2px solid var(--primary);
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* SEO Content Section */
.content-section {
    background: var(--bg-secondary);
    padding: 4rem 2rem;
    margin-top: 3rem;
}

.content-container {
    max-width: 900px;
    margin: 0 auto;
}

.seo-content {
    background: var(--card-bg);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    line-height: 1.8;
}

.seo-content h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
}

.seo-content h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
}

.seo-content p {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.seo-content p strong {
    color: var(--primary);
    font-weight: 600;
}

/* Footer */
footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Tablet view - 3 columns */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

/* Mobile view - 1 column */
@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Responsive */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-visual {
        position: static;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-container {
        padding: 1rem 1.5rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-container {
        padding: 1rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .logo-icon {
        font-size: 1.5rem;
    }
    
    .utility-buttons {
        gap: 0.5rem;
    }
    
    .hero {
        min-height: 60vh;
        padding: 4rem 1.5rem 2rem 1.5rem;
    }
    
    h1 {
        font-size: 2.25rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .hero-badge {
        font-size: 0.8rem;
        padding: 0.4rem 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    
    .category-card {
        padding: 1.75rem;
    }
    
    .category-icon {
        font-size: 2.5rem;
    }
    
    .category-title {
        font-size: 1.25rem;
    }
    
    .category-description {
        font-size: 0.9rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-visual {
        position: static;
    }
    
    .demo-shortcut-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 0.875rem;
    }
    
    .demo-keys {
        flex-wrap: wrap;
    }
    
    .hero-heading-large {
        font-size: 2.5rem !important;
    }
    
    .hero-content-wide {
        max-width: 100%;
    }

    .pdf-download-btn {
        font-size: 0.95rem;
        padding: 0.6rem 1rem;
        white-space: nowrap;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
    
    /* Shortcut Pages Mobile */
    .shortcut-page {
        padding: 3rem 1rem;
        margin-top: 70px;
    }
    
    .page-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .page-description {
        font-size: 1rem;
    }
    
    .search-container {
        margin-bottom: 2rem;
    }
    
    .search-input {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }
    
    .shortcut-group {
        padding: 1.5rem 1rem;
        margin-bottom: 1.5rem;
        border-radius: 16px;
    }
    
    .group-title {
        font-size: 1.4rem;
        margin-bottom: 1rem;
    }
    
    .shortcut-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem;
    }
    
    .shortcut-item:hover {
        transform: translateX(0);
        transform: scale(0.98);
    }
    
    .shortcut-description {
        font-size: 0.95rem;
        width: 100%;
    }
    
    .shortcut-keys {
        justify-content: flex-start;
        width: 100%;
    }
    
    .key {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }
    
    /* Content Section Mobile */
    .content-section {
        padding: 2rem 1rem;
    }
    
    .seo-content h2 {
        font-size: 1.5rem;
        margin-top: 1.5rem;
    }
    
    .seo-content h3 {
        font-size: 1.25rem;
        margin-top: 1.25rem;
    }
    
    .seo-content p {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .page-title-icon {
        width: 36px;
        height: 36px;
    }
    
    .page-title {
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.875rem;
    }
    
    .logo {
        font-size: 1.1rem;
    }
    
    .logo-icon {
        font-size: 1.35rem;
    }
    
    .hero {
        padding: 3rem 1rem 2rem 1rem;
    }
    
    h1 {
        font-size: 1.75rem;
    }
    
    .hero-heading-large {
        font-size: 1.85rem !important;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .stat-item {
        padding: 1rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }

    .pdf-download-btn {
        font-size: 0.85rem;
        padding: 0.55rem 0.875rem;
        gap: 0.35rem;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
    
    .shortcut-group {
        padding: 1.25rem 0.875rem;
    }
    
    .group-title {
        font-size: 1.25rem;
    }
    
    .shortcut-item {
        padding: 0.875rem;
    }
    
    .key {
        padding: 0.35rem 0.65rem;
        font-size: 0.8rem;
    }
    
    .category-card {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .page-title-icon {
        width: 28px;
        height: 28px;
    }
}

/* Shortcut Pages Styles */
.shortcut-page {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
    padding: 4rem 2rem;
}

.page-header {
    max-width: 1200px;
    margin: 0 auto 3rem;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.page-title-icon {
    width: 48px;
    height: 48px;
    max-width: 48px;
    max-height: 48px;
    object-fit: contain;
    vertical-align: middle;
    display: inline-block;
    flex-shrink: 0;
}

.page-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.search-container {
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.search-box {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    font-size: 1.1rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--card-bg);
    color: var(--text-primary);
    transition: all 0.3s;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.2);
}

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

.shortcut-group {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.group-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: var(--bg-primary);
    border-radius: 12px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.shortcut-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.shortcut-description {
    color: var(--text-primary);
    font-size: 1.05rem;
    font-weight: 500;
}

.shortcut-keys {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.key {
    background: var(--text-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    border: none;
}

.platform-badge {
    display: inline-block;
    background: var(--bg-accent);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: 0.5rem;
    border: 1px solid var(--primary);
}

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.no-results h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Related Shortcuts Section */
.related-shortcuts {
    background: var(--bg-secondary);
    padding: 3rem 2rem 4rem;
    margin-top: 2rem;
}

.related-shortcuts .container {
    max-width: 1200px;
    margin: 0 auto;
}

.related-shortcuts h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.related-shortcuts .section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.related-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 2px solid var(--border-light);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.related-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.related-card:hover::before {
    transform: scaleX(1);
}

.related-card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.related-card:hover .related-card-icon img {
    transform: scale(1.1);
}

.related-card-badge {
    display: inline-block;
    background: var(--bg-accent);
    color: var(--accent);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.related-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.related-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.related-card-cta {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.related-card-cta::after {
    content: '→';
    margin-left: 0.5rem;
    transition: margin-left 0.3s ease;
}

.related-card:hover .related-card-cta::after {
    margin-left: 1rem;
}

/* Responsive Design for Related Shortcuts */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .related-shortcuts {
        padding: 3rem 1.5rem;
    }
    
    .related-shortcuts h2 {
        font-size: 2rem;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .related-card {
        padding: 1.5rem;
    }
}

/* Dropdown Menu Styles */
.nav-links .dropdown {
    position: relative;
}

/* Add invisible bridge between button and menu to prevent dropdown from closing */
.dropdown::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 0.5rem;
    background: transparent;
}

.dropdown-toggle {
    cursor: pointer;
    user-select: none;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 220px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 1000;
    padding: 0.5rem 0;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    pointer-events: none;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
    white-space: nowrap;
    font-size: 0.95rem;
}

.dropdown-menu li a:hover {
    background: var(--bg-accent);
    color: var(--primary);
}

.dropdown:hover .dropdown-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* Mobile - no dropdown, show all items */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        display: block !important;
        border: none;
        box-shadow: none;
        padding-left: 1rem;
    }
    
    .dropdown-toggle::after {
        content: none;
    }
}

/* Platform Tabs Styles */
.platform-tabs {
    display: flex;
    gap: 1rem;
    margin: 2.5rem auto 3rem;
    padding: 0.5rem;
    max-width: 700px;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.platform-tab {
    padding: 1.2rem 3.5rem;
    background: transparent;
    border: none;
    color: #64748b;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 220px;
    justify-content: center;
}

.platform-tab svg,
.platform-tab img,
.platform-tab .tab-icon {
    width: 26px;
    height: 26px;
    transition: all 0.3s ease;
    opacity: 0.6;
}

.platform-tab:hover {
    background: rgba(255, 255, 255, 0.6);
    color: #334155;
    transform: translateY(-2px);
}

.platform-tab:hover svg,
.platform-tab:hover img,
.platform-tab:hover .tab-icon {
    opacity: 0.9;
    transform: scale(1.1);
}

.platform-tab.active {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    color: #000000;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(251, 191, 36, 0.4);
}

.platform-tab.active svg,
.platform-tab.active img,
.platform-tab.active .tab-icon {
    opacity: 1;
    filter: brightness(0) invert(1);
}

.platform-content {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.platform-content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Platform badge in shortcuts */
.platform-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: var(--bg-accent);
    color: var(--primary);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Hide platform badges when using tabs */
.has-platform-tabs .platform-badge {
    display: none;
}

@media (max-width: 768px) {
    .platform-tabs {
        padding: 0.4rem;
        gap: 0.5rem;
        max-width: 100%;
        margin: 2rem 1rem 2.5rem;
    }
    
    .platform-tab {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
        min-width: 140px;
        flex: 1;
        border-radius: 10px;
        gap: 0.5rem;
    }
    
    .platform-tab svg,
    .platform-tab img,
    .platform-tab .tab-icon {
        width: 20px;
        height: 20px;
    }
}

/* Tips Section - Article Content Below Shortcuts */
.tips-section {
    background: var(--bg-primary);
    padding: 4rem 2rem;
    margin-top: 3rem;
}

.tips-section .container {
    max-width: 900px;
    margin: 0 auto;
}

.tips-content {
    color: var(--text-primary);
    line-height: 1.8;
}

.tips-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    line-height: 1.3;
}

.tips-content h3 {
    font-size: 1.8rem;
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.4;
}

.tips-content h3:first-of-type {
    margin-top: 2rem;
}

.tips-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.tips-content a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
}

.tips-content a:hover {
    color: var(--secondary);
    border-bottom-color: var(--secondary);
}

.tips-content ul,
.tips-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.tips-content li {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.tips-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.tips-content code {
    background: var(--bg-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    color: var(--primary);
}

/* Responsive Tips Section */
@media (max-width: 768px) {
    .tips-section {
        padding: 3rem 1.5rem;
        margin-top: 2rem;
    }
    
    .tips-content h2 {
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }
    
    .tips-content h3 {
        font-size: 1.5rem;
        margin-top: 2.5rem;
        margin-bottom: 1rem;
    }
    
    .tips-content p,
    .tips-content li {
        font-size: 1rem;
    }
}