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

:root {
    --primary-color: #7c3aed;
    --primary-dark: #6d28d9;
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-secondary: #1a1f35;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    background-color: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

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

.btn-signin {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-signup {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn-signup:hover {
    background-color: var(--primary-dark);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin: 1rem 0 1.5rem 0;
    font-weight: 700;
}

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

.hero-text > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.features-list {
    list-style: none;
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
}

.check {
    color: var(--primary-color);
    font-weight: bold;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    margin-top: 1rem;
}

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

.no-credit {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.interview-card {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.interview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.status {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.time {
    color: var(--text-muted);
    font-family: 'Monaco', monospace;
}

.interview-visualizer {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 150px;
    margin: 2rem 0;
    position: relative;
}

.pulse-ring {
    width: 100px;
    height: 100px;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
    position: relative;
}

.pulse-ring::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(45deg, #7c3aed, #a855f7);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.5);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(124, 58, 237, 0);
    }
}

.interview-content {
    background-color: rgba(124, 58, 237, 0.05);
    border-left: 3px solid var(--primary-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
}

.ai-label {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.interview-text {
    color: var(--text-primary);
    line-height: 1.6;
}

.tap-speak {
    text-align: center;
    margin-top: 2rem;
}

.microphone-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    transition: transform 0.3s;
}

.microphone-btn:hover {
    transform: scale(1.1);
}

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

.rating {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.rating span {
    display: block;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.people-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 3rem;
}

.person-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Trusted By Section */
.trusted-by {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.trusted-label {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    align-items: center;
}

.company-logo {
    text-align: center;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 1rem;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

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

.feature-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Testimonials Section */
.testimonials-section {
    padding: 6rem 0;
}

.testimonials-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

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

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
}

.quote-icon {
    font-size: 3rem;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 1rem;
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.author-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-role {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(168, 85, 247, 0.05) 100%);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.cta-content {
    display: flex;
    flex-direction: column;
}

.cta-content h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.btn-primary-large {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    width: fit-content;
}

.btn-primary-large:hover {
    background-color: var(--primary-dark);
}

.no-credit-large {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
}

.cta-graphic {
    font-size: 8rem;
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

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

    .hero-text h1 {
        font-size: 2.25rem;
    }

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

    .cta-section .container {
        grid-template-columns: 1fr;
    }

    .cta-graphic {
        text-align: center;
        opacity: 0.3;
    }

    .logos-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.75rem;
    }

    .nav-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .people-row {
        flex-wrap: wrap;
    }
}