:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --accent: #f43f5e;
    --background: #0f172a;
    --background-light: #1e293b;
    --background-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --success: #10b981;
    --warning: #f59e0b;
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
    --gradient-bg: linear-gradient(180deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

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

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.main-content {
    padding-top: 80px;
    min-height: 100vh;
}

.hero {
    padding: 100px 0 80px;
    background: var(--gradient-bg);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(236, 72, 153, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 25px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease forwards;
}

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

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 200px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--background-light);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

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

.feature-card {
    background: var(--background-card);
    border-radius: 20px;
    padding: 40px 30px;
    border: 1px solid var(--border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.15);
}

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

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.feature-icon svg {
    width: 35px;
    height: 35px;
    stroke: var(--primary);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
}

.feature-card:hover .feature-icon svg {
    stroke: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.content-block {
    background: var(--background-card);
    border-radius: 20px;
    padding: 50px;
    border: 1px solid var(--border);
    margin-bottom: 30px;
}

.content-block h2 {
    font-size: 2rem;
    margin-bottom: 25px;
}

.content-block h3 {
    font-size: 1.5rem;
    margin: 30px 0 20px;
    color: var(--primary-light);
}

.content-block p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.content-block ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 25px;
}

.content-block ul li {
    padding: 12px 0;
    padding-left: 35px;
    position: relative;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.content-block ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.8;
}

.content-block ul li::after {
    content: '✓';
    position: absolute;
    left: 5px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    color: white;
}

.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--gradient-primary);
    color: white;
    padding: 18px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.floating-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 50px rgba(99, 102, 241, 0.5);
}

.floating-btn svg {
    width: 24px;
    height: 24px;
}

.footer {
    background: var(--background-light);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    padding: 8px 0;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.page-header {
    padding: 150px 0 60px;
    background: var(--gradient-bg);
    text-align: center;
    position: relative;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    position: relative;
}

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

.breadcrumbs {
    padding: 20px 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.breadcrumbs a {
    color: var(--text-secondary);
}

.breadcrumbs span {
    margin: 0 10px;
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 10px 60px rgba(99, 102, 241, 0.6);
    }
    100% {
        box-shadow: 0 10px 40px rgba(99, 102, 241, 0.4);
    }
}

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

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.animate-on-scroll {
    opacity: 0.9;
    transform: translateY(0);
    transition: opacity 0.3s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
}

.two-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 50px 0;
}

.stat-card {
    text-align: center;
    padding: 30px;
    background: var(--background-card);
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    margin-top: 10px;
}

.testimonial-card {
    background: var(--background-card);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 6rem;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-style: italic;
    position: relative;
    z-index: 1;
}

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

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.testimonial-info h4 {
    font-size: 1rem;
}

.testimonial-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cta-section {
    background: var(--gradient-primary);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

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

.cta-section .btn:hover {
    background: var(--background);
    color: white;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.icon-item {
    text-align: center;
    padding: 20px;
}

.icon-item svg {
    width: 48px;
    height: 48px;
    stroke: var(--primary);
    margin-bottom: 15px;
}

.icon-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--background);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    z-index: 999;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 15px 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

/* codex-ui-fixes */
.logo,
.logo:hover,
.logo:focus,
.logo:active {
    text-decoration: none;
}

.menu-toggle,
.nav-toggle,
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    border: 1px solid rgba(148, 163, 184, 0.35);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.08);
    color: inherit;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.menu-toggle:hover,
.nav-toggle:hover,
.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(148, 163, 184, 0.5);
    transform: translateY(-1px);
}

.menu-toggle:focus-visible,
.nav-toggle:focus-visible,
.mobile-menu-btn:focus-visible {
    outline: 2px solid currentColor;
    outline-offset: 2px;
}

.menu-toggle i,
.nav-toggle i,
.mobile-menu-btn i,
.menu-toggle svg,
.nav-toggle svg,
.mobile-menu-btn svg {
    display: block;
    margin: 0 auto;
}

.menu-toggle span,
.nav-toggle span,
.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    margin: 4px auto;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

@media (max-width: 992px) {
    .hero h1 {
        font-size: 2.5rem;
    }

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

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

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

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .content-block {
        padding: 30px 20px;
    }

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

    .floating-btn {
        bottom: 20px;
        right: 20px;
        padding: 15px 20px;
    }

    .page-header {
        padding: 120px 0 40px;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .feature-card {
        padding: 30px 20px;
    }

    .btn {
        padding: 14px 24px;
        min-width: 180px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
    }
}

.step-list {
    counter-reset: step;
    list-style: none;
    padding: 0;
}

.step-list li {
    position: relative;
    padding: 25px 0 25px 80px;
    border-bottom: 1px solid var(--border);
    counter-increment: step;
}

.step-list li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    top: 25px;
    width: 55px;
    height: 55px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.3rem;
}

.warning-box {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.warning-box h4 {
    color: var(--warning);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.success-box {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.success-box h4 {
    color: var(--success);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-box {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid var(--primary);
    border-radius: 15px;
    padding: 25px;
    margin: 25px 0;
}

.info-box h4 {
    color: var(--primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quote-block {
    background: var(--background-card);
    border-left: 4px solid var(--primary);
    padding: 30px;
    margin: 30px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.faq-item {
    background: var(--background-card);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 15px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.faq-item h4 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item h4 svg {
    width: 24px;
    height: 24px;
    stroke: var(--text-muted);
    transition: transform 0.3s ease;
}

.faq-item.active h4 svg {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-top: 20px;
}

.faq-answer p {
    color: var(--text-secondary);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 20px 0;
}

.tag {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    padding: 8px 18px;
    border-radius: 25px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

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

.related-pages {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.related-pages h3 {
    margin-bottom: 25px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.related-card {
    background: var(--background-card);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.related-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.related-card h4 {
    margin-bottom: 10px;
}

.related-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
}

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

th {
    background: var(--background-light);
    font-weight: 600;
}

tr:hover {
    background: rgba(99, 102, 241, 0.05);
}