/* Base Styles */
:root {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #7c3aed;
    --dark: #1e293b;
    --darker: #0f172a;
    --light: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-600: #475569;
    --gray-700: #334155;
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--dark);
    background-color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--darker);
}

h1 { 
    font-size: 3rem; 
}

h2 { 
    font-size: 2.5rem; 
    margin-bottom: 2rem;
}

h3 { 
    font-size: 1.75rem; 
    margin-bottom: 1.25rem;
}

p {
    margin-bottom: 1.5rem;
    color: var(--gray-600);
}

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

a:hover {
    color: var(--primary-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: rgba(79, 70, 229, 0.05);
}

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

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

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
}

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

.menu-toggle {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid rgba(15, 23, 42, 0.1);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 0.35rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.menu-toggle:hover {
    box-shadow: 0 12px 24px -12px rgba(15, 23, 42, 0.35);
    transform: translateY(-1px);
}

.menu-toggle span {
    width: 1.35rem;
    height: 2px;
    border-radius: 999px;
    background: var(--darker);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Hero Section */
.hero {
    padding: 6rem 1rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 50%, rgba(79, 70, 229, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80vh;
    height: 80vh;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 48rem;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--darker);
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

/* Chat Options */
.chat-options {
    margin: 2.5rem 0;
    width: 100%;
}

.chat-options h3 {
    color: var(--gray-700);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--darker);
}

.chat-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 2rem;
}

.chat-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    text-decoration: none;
    margin: 0.5rem;
}

.chat-btn i {
    margin-right: 0.5rem;
}

.chat-btn.primary {
    background: var(--primary);
    color: white;
    background: var(--gradient);
    color: white;
    box-shadow: var(--shadow);
}

.chat-btn.primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.chat-btn.secondary {
    background: white;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.chat-btn.secondary:hover {
    background: rgba(124, 58, 237, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Hero Trust */
.hero-trust {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 2.5rem;
    justify-content: center;
    width: 100%;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--gray-600);
    background: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    transition: all 0.2s ease;
}

.trust-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.trust-item i {
    color: var(--primary);
}

/* 3D Video Preview */
.hero-preview {
    position: relative;
    perspective: 1500px;
    transform-style: preserve-3d;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    margin-top: 3rem;
}

.video-preview {
    background: white;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: rotate3d(0.5, 1, 0, 10deg) translateZ(20px);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin: 2rem 0;
}

.video-preview:hover {
    transform: rotate3d(0.5, 1, 0, 10deg) translateZ(40px) translateY(-10px);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.3);
}

.video-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    position: relative;
    overflow: hidden;
    transform: translateZ(20px);
    position: relative;
    padding-top: 56.25%;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    padding: 2rem;
    z-index: 2;
}

.video-placeholder i {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    text-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.video-placeholder p {
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0.5rem 0 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pulse-animation {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    transform: scale(0);
    animation: pulse 3s infinite;
    z-index: 1;
}

@keyframes pulse {
    0% {
        transform: scale(0);
        opacity: 1;
    }
    100% {
        transform: scale(3);
        opacity: 0;
    }
}

.video-controls {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    backdrop-filter: blur(10px);
    z-index: 3;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.control-btn {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    outline: none;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.control-btn.end-call {
    background: #ef4444;
}

.control-btn.end-call:hover {
    background: #dc2626;
}

/* Floating Avatars */
.floating-avatars {
    position: absolute;
    top: 1.5rem;
    left: 1.5rem;
    display: flex;
    gap: 0.75rem;
    z-index: 3;
}

.avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    border: 3px solid white;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    animation: float 3s ease-in-out infinite;
    animation-delay: var(--delay);
    transform: translate(var(--x, 0), var(--y, 0));
    transition: all 0.3s ease;
}

.avatar:hover {
    transform: translate(var(--x, 0), var(--y, 0)) scale(1.1);
    z-index: 2;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@keyframes float {
    0%, 100% {
        transform: translate(var(--x, 0), var(--y, 0));
    }
    50% {
        transform: translate(
            calc(var(--x, 0) + 5px), 
            calc(var(--y, 0) - 10px)
        );
    }
}

/* Content Sections */
.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 4rem;
}

.content-block {
    max-width: 800px;
    margin: 0 auto 4rem;
}

.content-block h2 {
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.content-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--gradient);
    color: white;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Testimonial */
.testimonial {
    background: var(--gray-50);
    padding: 4rem 2rem;
    border-radius: 1rem;
    text-align: center;
    margin: 3rem 0;
    border: 1px solid var(--gray-200);
}

.testimonial p {
    font-size: 1.25rem;
    font-style: italic;
    color: var(--dark);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary);
}

/* CTA Section */
.cta-section {
    background: var(--gradient);
    color: white;
    padding: 6rem 0;
    text-align: center;
    border-radius: 1rem;
    margin: 4rem 0;
}

.cta-section h2 {
    color: white;
    margin-bottom: 1.5rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    max-width: 42rem;
    margin: 0 auto 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--darker);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: flex-start;
}

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

.footer-column.brand {
    grid-column: span 5;
}

.footer-column.links {
    grid-column: span 3;
}

.footer-column.links + .footer-column.links {
    grid-column: span 4;
}

.footer-heading {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: transform 0.2s ease, color 0.2s ease;
}

.footer-links a:hover {
    color: white;
    transform: translateX(6px);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    color: white;
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-light);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

@media (max-width: 1024px) {
    .footer-column.brand {
        grid-column: span 6;
    }

    .footer-column.links,
    .footer-column.links + .footer-column.links {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 1.5rem;
    }

    .footer-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 2rem;
    }

    .footer-column.brand,
    .footer-column.links,
    .footer-column.links + .footer-column.links {
        grid-column: span 6;
    }
}

@media (max-width: 540px) {
    .footer-grid {
        grid-template-columns: repeat(1, minmax(0, 1fr));
        gap: 1.75rem;
    }

    .footer-column {
        text-align: center;
        align-items: center;
    }

    .footer-links {
        align-items: center;
    }

    .footer-links a {
        width: fit-content;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }
.mt-8 { margin-top: 4rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-8 { margin-bottom: 4rem; }

.p-4 { padding: 2rem; }
.p-6 { padding: 3rem; }

.rounded { border-radius: 0.5rem; }
.rounded-lg { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Responsive Design */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.75rem;
    }
    
    h2 {
        font-size: 2.25rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .chat-buttons {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-preview {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .video-preview {
        transform: rotate3d(0.5, 1, 0, 5deg) translateZ(20px);
    }
    
    .video-preview:hover {
        transform: rotate3d(0.5, 1, 0, 5deg) translateZ(30px) translateY(-5px);
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: auto;
        gap: 1rem;
    }

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

    .navbar {
        position: relative;
    }

    .nav-links {
        position: absolute;
        top: calc(100% + 0.75rem);
        right: 0;
        left: auto;
        display: grid;
        gap: 0.85rem;
        padding: 1.5rem;
        width: min(88vw, 320px);
        background: rgba(255, 255, 255, 0.98);
        border-radius: 1.25rem;
        box-shadow: 0 30px 60px -35px rgba(15, 23, 42, 0.4);
        border: 1px solid rgba(15, 23, 42, 0.06);
        opacity: 0;
        transform: translateY(-8px) scale(0.96);
        pointer-events: none;
        transition: opacity 0.2s ease, transform 0.2s ease;
    }

    .nav-links[data-visible="true"] {
        opacity: 1;
        transform: translateY(0) scale(1);
        pointer-events: auto;
    }
    
    .hero {
        padding: 7rem 0 4rem;
        text-align: center;
        padding: 3rem 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        font-size: 2rem;
        line-height: 1.2;
        padding: 0 0.5rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 0.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .chat-options h3 {
        font-size: 1.3rem;
        margin-bottom: 1.25rem;
    }
    
    .chat-buttons {
        flex-direction: column;
        align-items: center;
        width: 100%;
        gap: 0.75rem;
    }
    
    .chat-btn {
        width: 100%;
        max-width: 280px;
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
        margin: 0;
    }
    
    .hero-preview {
        margin: 1.5rem 0;
        padding: 0 0.5rem;
    }
    
    .video-preview {
        margin: 1rem 0;
        border-radius: 0.75rem;
        transform: rotate3d(0.5, 1, 0, 3deg) translateZ(10px);
    }
    
    .video-preview:hover {
        transform: rotate3d(0.5, 1, 0, 3deg) translateZ(15px) translateY(-3px);
    }
    
    .hero-trust {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        margin-top: 2rem;
    }
    
    .trust-item {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-buttons .btn + .btn {
        margin-left: 0;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 6rem 0 4rem;
        padding: 5rem 0 6rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-buttons .btn + .btn {
        margin-left: 0;
    }
    
    .chat-buttons {
        flex-direction: column;
    }
    
    .chat-btn {
        width: 100%;
    }
    
    .video-preview {
        transform: rotate3d(0.5, 1, 0, 3deg) translateZ(10px);
    }
    
    .video-preview:hover {
        transform: rotate3d(0.5, 1, 0, 3deg) translateZ(15px) translateY(-3px);
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .chat-options h3 {
        font-size: 1.2rem;
    }
    
    .chat-btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .trust-item {
        padding: 0.6rem;
        font-size: 0.85rem;
    }
}