:root {
    /* Color Palette - Premium Dark & Neon */
    --bg-dark: #05050A;
    --bg-card: #0F1016;
    --primary: #6366F1;
    /* Indigo */
    --primary-glow: #818cf8;
    --secondary: #06B6D4;
    /* Cyan */
    --accent: #D946EF;
    /* Fuchsia */
    --text-main: #F3F4F6;
    --text-muted: #9CA3AF;
    --text-dark: #111827;

    /* Spacing & Layout */
    --container-width: 1200px;
    --section-padding: 6rem 2rem;
    --border-radius: 12px;

    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: #fff;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.center {
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--primary-glow));
    color: #fff;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(5, 5, 10, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header .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;
}

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

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

.main-nav a:not(.btn):hover {
    color: #fff;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #fff;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-mesh {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 10%, rgba(99, 102, 241, 0.15) 0%, transparent 60%),
        radial-gradient(circle at 80% 40%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

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

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

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

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

.logos-grid {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    opacity: 0.5;
}

.trust-logo {
    width: 120px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Hero Visualization Placeholder */
.voice-wave-animation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 300px;
    width: 100%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.voice-wave-animation .bar {
    width: 10px;
    background: var(--primary);
    border-radius: 5px;
    animation: wave 1s ease-in-out infinite;
    box-shadow: 0 0 10px var(--primary);
}

.voice-wave-animation .bar:nth-child(2) {
    animation-delay: 0.1s;
    height: 60px;
}

.voice-wave-animation .bar:nth-child(3) {
    animation-delay: 0.2s;
    height: 80px;
}

.voice-wave-animation .bar:nth-child(4) {
    animation-delay: 0.3s;
    height: 50px;
}

.voice-wave-animation .bar:nth-child(odd) {
    background: var(--secondary);
    box-shadow: 0 0 10px var(--secondary);
}

@keyframes wave {

    0%,
    100% {
        height: 40px;
    }

    50% {
        height: 100px;
    }
}

/* Features Section */
.features-section {
    padding: var(--section-padding);
}

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

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

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

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

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--text-muted);
}

/* How It Works */
.how-it-works-section {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--bg-dark), #0A0A12);
}

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

.step-item {
    position: relative;
    padding: 2rem;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    line-height: 1;
}

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

.step-content h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary);
}

/* CTA Section */
.cta-section {
    padding: var(--section-padding);
}

.cta-box {
    background: linear-gradient(135deg, #1e1b4b, #312e81);
    padding: 4rem 2rem;
    border-radius: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box h2 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.cta-box p {
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

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

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

.footer-links ul li {
    margin-bottom: 0.8rem;
}

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

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

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    color: #fff;
    flex-grow: 1;
}

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

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

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

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

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

/* Mobile Responsive */
@media (max-width: 992px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .logos-grid {
        justify-content: center;
    }

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

@media (max-width: 768px) {
    .main-nav {
        display: none;
        /* Add mobile menu logic later */
    }

    .mobile-menu-toggle {
        display: flex;
    }

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

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