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

:root {
    --bg-dark: #070714;
    --bg-darker: #04040a;
    --bg-glass: rgba(20, 20, 35, 0.4);
    --bg-glass-hover: rgba(30, 30, 50, 0.6);
    --border-glass: rgba(255, 255, 255, 0.08);
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
    --font-sans: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 42px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
    background: #2a2a3e;
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(7, 7, 20, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    padding: 1rem 5%;
}

.nav-brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

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

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

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

/* Language Dropdown */
.lang-switcher {
    position: relative;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 1rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.lang-switcher:hover .lang-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.lang-menu a:hover {
    background: var(--bg-glass);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-main);
}

.btn-outline:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Homepage promo marquee */
.promo-marquee {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100vw;
    z-index: 980;
    pointer-events: none;
    background: rgba(4, 4, 10, 0.9);
    border-top: 1px solid rgba(245, 158, 11, 0.35);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    overflow: hidden;
    white-space: nowrap;
}

.promo-marquee-bottom {
    box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.25);
}

.promo-marquee-track {
    display: inline-flex;
    min-width: 220%;
    animation: promoMarquee 24s linear infinite;
    will-change: transform;
}

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

.promo-marquee-item {
    display: inline-block;
    padding: 0.42rem 2.2rem;
    font-family: var(--font-display);
    font-size: clamp(0.8rem, 1.4vw, 0.95rem);
    font-weight: 700;
    letter-spacing: 0.03em;
    color: rgba(253, 230, 138, 0.96);
    text-shadow: 0 0 10px rgba(245, 158, 11, 0.25);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    z-index: -1;
    border-radius: 50%;
}

#particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-inline: auto;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Sections */
section {
    padding: 6rem 5%;
}

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

.section-heading h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-heading p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Glass Cards (Features) */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.glass-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

.glass-card:hover {
    transform: translateY(-5px);
    background: var(--bg-glass-hover);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), 0 0 20px rgba(99, 102, 241, 0.1);
}

.feature-link-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.pricing-card-professional {
    border-color: rgba(99, 102, 241, 0.45);
    box-shadow: 0 10px 34px rgba(0, 0, 0, 0.28), 0 0 26px rgba(99, 102, 241, 0.18);
    padding-top: 4.1rem;
}

.pricing-ribbon-highlight {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 3;
    transform: none;
    background: linear-gradient(90deg, #f59e0b, #ef4444);
    color: #fff;
    font-weight: 800;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.46rem 0.9rem;
    white-space: nowrap;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    box-shadow: 0 8px 18px rgba(239, 68, 68, 0.38);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    background: var(--bg-darker);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-glass);
}

/* Stepper */
.stepper {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.stepper::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-glass);
    z-index: 0;
}

.step {
    position: relative;
    z-index: 1;
    text-align: center;
    flex: 1;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-dark);
    border: 2px solid var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
}

.step h3 {
    margin-bottom: 0.5rem;
}

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

/* Stats */
.stats-bar {
    background: var(--bg-glass);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    padding: 4rem 5%;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

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

.stat-item .counter {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    display: block;
}

.stat-item p {
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

/* Forms */
.form-container {
    max-width: 500px;
    margin: 0 auto;
}

.demo-form {
    max-width: 700px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-sans);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.checkbox-group input {
    accent-color: var(--accent-primary);
}

/* Footer */
footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border-glass);
    padding: 4rem 5% 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

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

.footer-col ul a {
    color: var(--text-muted);
}

.footer-col ul a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Flash Messages */
.flash-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.flash-message {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    color: white;
    font-weight: 500;
    animation: slideIn 0.3s ease-out;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
}

.flash-success { background: rgba(16, 185, 129, 0.9); border: 1px solid #10b981; }
.flash-error { background: rgba(239, 68, 68, 0.9); border: 1px solid #ef4444; }
.flash-warning { background: rgba(245, 158, 11, 0.9); border: 1px solid #f59e0b; }
.flash-info { background: rgba(59, 130, 246, 0.9); border: 1px solid #3b82f6; }

/* Dashboard & Portal */
.portal-header {
    margin-top: 100px;
    margin-bottom: 3rem;
    padding: 0 5%;
}

.portal-content {
    padding: 0 5% 4rem;
}

/* Download Cards */
.download-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.download-info h3 {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: normal;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 5% 2rem;
    position: relative;
}

.auth-card {
    width: 100%;
    max-width: 450px;
    padding: 3rem;
}

.auth-card.large {
    max-width: 600px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes promoMarquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--bg-darker);
        padding: 2rem;
        border-bottom: 1px solid var(--border-glass);
    }
    
    .nav-actions.active {
        display: flex;
        flex-direction: column;
    }
    
    .stepper {
        flex-direction: column;
        gap: 2rem;
    }
    
    .stepper::before {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }

    .promo-marquee-item {
        font-size: 0.72rem;
        padding: 0.4rem 1rem;
    }

    .pricing-ribbon-highlight {
        top: 12px;
        right: 12px;
        font-size: 0.72rem;
        padding: 0.4rem 0.75rem;
    }
}