/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #3a86ff;
    --secondary-color: #8338ec;
    --accent-color: #ff006e;
    --dark-bg: #0a0a0f;
    --darker-bg: #050509;
    --dark-card: #111118;
    --dark-surface: #1a1a24;
    --light-text: #ffffff;
    --gray-text: #b8c5d6;
    --gray-light: #8892a0;
    --success-color: #38b000;
    --warning-color: #ff9e00;
    --danger-color: #d00000;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --font-main: 'Roboto', sans-serif;
}

html {
    scroll-behavior: smooth;
    touch-action: pan-x pan-y;
}

body {
    touch-action: pan-x pan-y;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--light-text);
    background: var(--dark-bg);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px 12px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    font-weight: 500;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 6px;
    outline: 2px solid white;
    outline-offset: 2px;
}

/* Focus states for better accessibility */
.btn:focus,
.nav-links a:focus,
.feature-link:focus,
.control-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.stat-card:focus-within,
.feature-card:focus-within,
.testimonial-card:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 22px;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
}

h2 {
    font-size: 2rem;
    font-weight: 700;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

h5 {
    font-size: 1.1rem;
    font-weight: 600;
}

h6 {
    font-size: 1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
    font-weight: 400;
    line-height: 1.6;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 0.5rem auto;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #2a75f0;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #b00000;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Header */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
    margin-right: 10px;
    object-fit: contain;
    border-radius: 4px;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light-text);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links li {
    margin-left: 1.5rem;
}

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

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.admin-link {
    color: var(--accent-color) !important;
}

.nav-actions {
    display: flex;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem;
    color: var(--light-text);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1001;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn:hover {
    background: var(--glass-border);
    transform: scale(1.05);
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* Footer */
.footer {
    background: var(--darker-bg);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    color: var(--light-text);
    padding: 3rem 0 1rem;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(58, 134, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: var(--light-text);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--gray-text);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-brand {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-brand .logo {
    height: 30px;
    margin-right: 10px;
    object-fit: contain;
    border-radius: 4px;
}

.footer-brand .brand-name {
    color: var(--light-text);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Responsive header / mobile menu */
@media (max-width: 900px) {
    .logo { height: 34px; }
    .brand-name { font-size: 1.2rem; }
    .nav-actions { display: none; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: inline-flex; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 64px;
        right: 16px;
        width: calc(100% - 32px);
        max-width: 360px;
        background: linear-gradient(180deg, rgba(10,10,15,0.95), rgba(20,20,40,0.95));
        border: 1px solid rgba(255,255,255,0.04);
        border-radius: 12px;
        padding: 12px;
        box-shadow: 0 12px 40px rgba(0,0,0,0.6);
        flex-direction: column;
        gap: 8px;
        z-index: 2000;
        transform-origin: top right;
        -webkit-overflow-scrolling: touch;
    }

    .nav-links.open {
        display: flex;
        animation: menuPop 180ms ease-out;
    }

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

    .nav-links a { padding: 10px 8px; display: block; border-radius: 8px; }

    .nav-actions { display: none; }

    @keyframes menuPop {
        from { transform: scale(0.98); opacity: 0; }
        to { transform: scale(1); opacity: 1; }
    }
}

@media (max-width: 420px) {
    .nav-links { right: 8px; left: 8px; width: auto; max-width: none; }
}

/* Ensure header items wrap gracefully on small widths */
@media (max-width: 520px) {
    .navbar { padding: 0.6rem 0.6rem; }
    .brand-name { display: none; }
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--gray-light);
    position: relative;
    z-index: 1;
}

/* Responsive Design */
@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile Navigation Styles */
.nav-links.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    flex-direction: column;
    gap: 0;
    background: linear-gradient(135deg, rgba(10, 10, 15, 0.98) 0%, rgba(20, 20, 30, 0.98) 100%);
    backdrop-filter: blur(25px);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding: 5rem 2rem 2rem;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
}

.nav-links.mobile-menu.open {
    right: 0;
}

.nav-links.mobile-menu li {
    width: 100%;
    margin: 0;
    opacity: 0;
    transform: translateX(30px);
    animation: slideInItem 0.3s ease forwards;
}

.nav-links.mobile-menu li:nth-child(1) { animation-delay: 0.1s; }
.nav-links.mobile-menu li:nth-child(2) { animation-delay: 0.15s; }
.nav-links.mobile-menu li:nth-child(3) { animation-delay: 0.2s; }
.nav-links.mobile-menu li:nth-child(4) { animation-delay: 0.25s; }
.nav-links.mobile-menu li:nth-child(5) { animation-delay: 0.3s; }

@keyframes slideInItem {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.nav-links.mobile-menu a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--light-text);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    position: relative;
    margin-bottom: 0.5rem;
}

.nav-links.mobile-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-links.mobile-menu a:hover,
.nav-links.mobile-menu a.active {
    color: white;
    transform: translateX(8px) scale(1.02);
}

.nav-links.mobile-menu a:hover::before,
.nav-links.mobile-menu a.active::before {
    opacity: 0.1;
}

.nav-links.mobile-menu a i {
    margin-right: 1rem;
    width: 20px;
    text-align: center;
    opacity: 0.7;
}

.nav-actions.mobile-menu {
    position: fixed;
    bottom: 2rem;
    left: -100%;
    right: 0;
    flex-direction: column;
    gap: 1rem;
    padding: 0 2rem;
    z-index: 1001;
    transition: left 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-actions.mobile-menu.open {
    left: 0;
}

.nav-actions.mobile-menu .btn {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-actions.mobile-menu .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(58, 134, 255, 0.3);
}

/* Mobile menu overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

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

    .mobile-menu-btn {
        display: block;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}