:root {
    /* Color Palette */
    --bg-dark: #0f111a;
    --bg-darker: #050508;
    --bg-card: #161b2c;
    
    --primary: #6366f1; /* Indigo 500 */
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    
    --accent: #d946ef; /* Fuchsia 500 */
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dark: #1e293b;
    
    --gradient-main: linear-gradient(135deg, #6366f1 0%, #d946ef 100%);
    --gradient-hover: linear-gradient(135deg, #4f46e5 0%, #c026d3 100%);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-body);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: white;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
    padding: 0;
}

* {
    box-sizing: border-box;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.gradient-text {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px; /* Pill shape */
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-main);
    color: white;
    border: none;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.highlight {
    color: var(--primary-light);
}

/* Background Effects */
.blur-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    z-index: -1;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: var(--primary-dark);
}

.blob-2 {
    bottom: 20%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: var(--accent);
    opacity: 0.2;
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    position: relative;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a:not(.btn) {
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links a:not(.btn):hover {
    color: white;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-subhead {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
    border: 1px solid rgba(99, 102, 241, 0.2);
    padding: 0.35rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.trust-badge p {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logos {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
    font-weight: 600;
    opacity: 0.7;
}

.partner-logo {
    color: white;
}

/* Hero Visual (Mockup) */
.hero-visual {
    position: relative;
    perspective: 1000px;
}

.glass-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.hero-visual:hover .glass-card {
    transform: rotateY(0) rotateX(0);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 1rem;
}

.avatar-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
}

.details {
    display: flex;
    flex-direction: column;
}

.details .name {
    font-weight: 600;
    font-size: 0.95rem;
}

.details .status {
    font-size: 0.75rem;
    color: #4ade80; /* Green */
}

.chat-area {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    font-size: 0.9rem;
    position: relative;
}

.message p {
    margin: 0;
}

.message.received {
    background: rgba(255, 255, 255, 0.1);
    align-self: flex-start;
    border-bottom-left-radius: 0.25rem;
}

.message.sent {
    background: var(--primary);
    align-self: flex-end;
    border-bottom-right-radius: 0.25rem;
    box-shadow: 0 4px 6px rgba(99, 102, 241, 0.3);
}

.time {
    display: block;
    font-size: 0.7rem;
    opacity: 0.7;
    margin-top: 0.25rem;
    text-align: right;
}

.input-area {
    display: flex;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
    border-radius: var(--radius-lg);
    align-items: center;
}

.input-placeholder {
    flex: 1;
    color: var(--text-muted);
    font-size: 0.875rem;
    padding-left: 0.5rem;
}

.send-btn {
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
}

.float-card {
    position: absolute;
    background: #1e293b;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: float 4s ease-in-out infinite;
}

.float-1 {
    top: 20%;
    right: -20px;
    animation-delay: 0s;
}

.float-2 {
    bottom: 20%;
    left: -20px;
    animation-delay: 2s;
}

.float-card strong {
    display: block;
    font-size: 0.85rem;
    color: white;
}

.float-card span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.icon-success {
    color: #4ade80;
    font-size: 1.25rem;
}

.icon-link {
    color: var(--accent);
    font-size: 1.25rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: var(--bg-darker);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

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

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: transform 0.3s ease, background 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(217, 70, 239, 0.2) 100%);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

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

/* Integration Section */
.integration-section {
    padding: 6rem 0;
    overflow: hidden;
}

.integration-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.integration-text {
    flex: 1;
}

.check-list {
    margin: 2rem 0;
}

.check-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.check-list i {
    color: var(--primary);
}

.integration-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.connection-diagram {
    position: relative;
    width: 400px;
    height: 400px;
}

.node {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.center-node {
    width: 120px;
    height: 120px;
    background: var(--gradient-main);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    box-shadow: var(--shadow-glow);
}

.orbital-node {
    width: 90px;
    height: 90px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.node-2 { bottom: 20px; left: 20px; }
.node-3 { bottom: 20px; right: 20px; }

.line {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    z-index: 0;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
}

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

.link-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.link-col a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.link-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1.5rem;
    font-size: 1.25rem;
}

.social-links a:hover {
    color: white;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-visual {
        display: none; /* Hide complex visual on mobile or simplify */
    }

    .nav-links {
        display: none; /* In production: add mobile menu toggle */
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .integration-container {
        flex-direction: column;
        text-align: center;
    }

    .check-list li {
        justify-content: center;
    }

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

    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-brand p {
        margin: 1rem auto;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}