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

:root {
    --primary-blue: #007BFF;
    --primary-blue-dark: #0056b3;
    --accent-red: #FF4D4D;
    --accent-red-dark: #e63946;
    --success-green: #2ECC71;
    --success-green-dark: #27ae60;
    --text-primary: #1A1A1A;
    --text-secondary: #4a4a4a;
    --text-light: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #F4F4F4;
    --bg-dark: #1A1A1A;
    --border-color: #EAEAEA;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 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);
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--primary-blue);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--primary-blue-dark);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
}

.logo-icon {
    font-size: 1.8rem;
}

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

.nav-links a {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.cta-button {
    background: var(--accent-red);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: var(--accent-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Hero Section */
.hero {
    padding: 120px 0 120px;
    position: relative;
    color: white;
    overflow: hidden;
    min-height: 100vh;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.gradient-text {
    background: linear-gradient(45deg, var(--accent-red), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--success-green);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.4);
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.primary-button {
    background: var(--accent-red);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 77, 77, 0.3);
}

.primary-button:hover {
    background: var(--accent-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.primary-button.large {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.secondary-button {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phones-container {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    justify-content: center;
}

.phone-mockup {
    width: min(320px, 45vw);
    height: min(680px, 85vh);
    max-height: 680px;
    background: #1a1a1a;
    border-radius: 35px;
    padding: 25px;
    position: relative;
    box-shadow: var(--shadow-xl);
}

.notification-phone {
    animation: slideInRight 1s ease 8.5s forwards;
    opacity: 0;
    transform: translateX(50px);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: white;
    border-radius: 25px;
    padding: min(30px, 3vw) min(25px, 4vw) min(60px, 8vw);
    position: relative;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.chat-container {
    position: relative;
    margin-bottom: min(15px, 3vw);
    display: flex;
    justify-content: flex-end;
}

.chat-spacer {
    visibility: hidden;
    padding: min(12px, 2.5vw) min(16px, 3vw);
    border-radius: min(20px, 4vw);
    max-width: 80%;
    font-size: min(0.9rem, 3.5vw);
    line-height: 1.4;
    word-wrap: break-word;
    background: var(--accent-red);
    color: white;
    margin-left: auto;
}

.chat-container .chat-bubble {
    position: absolute;
    top: 0;
    right: 0;
    margin-bottom: 0;
}

.chat-bubble {
    margin-bottom: min(15px, 3vw);
    padding: min(12px, 2.5vw) min(16px, 3vw);
    border-radius: min(20px, 4vw);
    max-width: 80%;
    position: relative;
    font-size: min(0.9rem, 3.5vw);
    line-height: 1.4;
    opacity: 0;
    transform: translateY(20px);
}

.chat-bubble.incoming {
    position: relative !important;
    margin-bottom: min(15px, 3vw) !important;
}

.chat-bubble.incoming {
    background: #f1f3f4;
    color: var(--text-primary);
    margin-right: auto;
}

.chat-bubble.outgoing {
    background: var(--accent-red);
    color: white;
    margin-left: auto;
}

.chat-bubble.typing {
    background: var(--accent-red);
    color: white;
    margin-left: auto;
    animation: pulse 1.5s infinite;
}

.chat-bubble.typing-first {
    animation: fadeInUp 0.3s ease 0.5s forwards, fadeOut 0.2s ease 1.3s forwards;
}

.chat-bubble.opening-line {
    animation: fadeInUp 0.5s ease 1.5s forwards;
}

.chat-bubble.user-reply {
    animation: fadeInUp 0.6s ease 3s forwards;
}

.chat-bubble.user-reply-2 {
    animation: fadeInUp 0.6s ease 3.8s forwards;
}

.chat-bubble.typing-second {
    animation: fadeInUp 0.3s ease 5.5s forwards, fadeOut 0.2s ease 6.1s forwards;
}

.chat-bubble.ai-generated {
    animation: fadeInUp 0.5s ease 6.3s forwards;
}

.chat-bubble.final-reply {
    animation: fadeInUp 0.6s ease 7.5s forwards;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

.ai-badge {
    position: absolute;
    bottom: min(20px, 5vw);
    right: min(20px, 5vw);
    background: var(--success-green);
    color: white;
    padding: min(4px, 1vw) min(8px, 2vw);
    border-radius: min(12px, 3vw);
    font-size: min(0.7rem, 3vw);
    font-weight: 600;
    opacity: 0;
    transform: translateY(10px);
    animation: fadeInUp 0.4s ease 8s forwards;
}

/* SMS Notification Phone */
.sms-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 1.5rem;
}

.contact-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.message-time {
    color: var(--text-light);
    font-size: 0.8rem;
}

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

.sms-bubble {
    padding: 1rem 1.2rem;
    border-radius: 20px;
    max-width: 85%;
    font-size: 0.9rem;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease 9s forwards;
}

.sms-bubble.incoming-sms {
    background: #f1f3f4;
    color: var(--text-primary);
    margin-right: auto;
    white-space: pre-line;
}

.message-with-copy {
    position: relative;
    opacity: 0;
    animation: fadeInUp 0.6s ease 10s forwards;
}

.copyable-message {
    padding: 0.6rem 1rem !important;
}

.copy-label {
    position: absolute;
    font-size: 0.75rem;
    color: white;
    background: rgba(0, 0, 0, 0.8);
    padding: 0.4rem 0.8rem;
    border-radius: 12px;
    text-align: center;
    left: 30%;
    top: -0.5rem;
    transform: translateX(-50%);
    width: fit-content;
    z-index: 10;
    opacity: 0;
    animation: fadeInUp 0.3s ease 10.5s forwards;
}

.copy-label::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid rgba(0, 0, 0, 0.8);
}

.success-badge {
    position: absolute;
    bottom: min(20px, 5vw);
    left: 50%;
    transform: translateX(-50%);
    background: #28a745;
    color: white;
    padding: min(6px, 1.5vw) min(12px, 3vw);
    border-radius: min(16px, 4vw);
    font-size: min(0.75rem, 3vw);
    font-weight: 600;
    opacity: 0;
    animation: fadeInUp 0.4s ease 9.5s forwards;
}

/* Video Background (used in hero) */
.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.background-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.85) 0%, rgba(30, 144, 255, 0.75) 25%, rgba(26, 26, 26, 0.9) 75%, rgba(45, 45, 45, 0.95) 100%);
    z-index: 2;
}

.video-fallback {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--bg-dark) 100%);
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* Why Built Section */
.why-built {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.why-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.why-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.why-headline {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
    line-height: 1.3;
}

.highlight-text {
    background: linear-gradient(135deg, var(--accent-red), #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.why-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.why-point-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-radius: 12px;
    transition: all 0.3s ease;
    text-align: left;
}

.why-point-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
}

.why-point-item .emoji {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.point-text {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.4;
}

.point-text strong {
    color: var(--accent-red);
    font-weight: 700;
}

@media (max-width: 768px) {
    .why-card {
        padding: 2rem;
        text-align: center;
    }
    
    .why-headline {
        font-size: 1.6rem;
    }
    
    .why-points-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .why-point-item {
        padding: 1rem;
        text-align: left;
    }
}

.problem {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.problem-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.problem-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.problem-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.solution {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E90FF 50%, var(--primary-blue-dark) 100%);
    color: white;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid var(--primary-blue-dark);
}

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

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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    opacity: 0.9;
    line-height: 1.6;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: #f8f9fa;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.step-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Social Proof */
.social-proof {
    padding: 80px 0;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial {
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-blue);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-primary);
    font-style: italic;
}

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

.author-avatar {
    font-size: 2rem;
}

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

.author-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Pricing */
.pricing {
    padding: 80px 0;
    background: #f8f9fa;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.pricing-card.featured {
    border: 2px solid var(--accent-red);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-red);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
}

.price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.features-list {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
    flex-grow: 1;
}

.features-list li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.pricing-button {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    background: white;
    color: var(--text-primary);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pricing-button:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.pricing-button.primary {
    background: var(--accent-red);
    color: white;
    border-color: var(--accent-red);
}

.pricing-button.primary:hover {
    background: var(--accent-red-dark);
}

.pricing-note {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
}

/* Final CTA */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E90FF 25%, var(--bg-dark) 75%, #2d2d2d 100%);
    color: white;
    text-align: center;
}

.final-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.final-cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-subtext {
    margin-top: 1rem;
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 30px;
}

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

.footer-brand p {
    margin-top: 1rem;
    opacity: 0.7;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    opacity: 0.7;
}

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

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes showTyping {
    from {
        display: none;
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        display: block;
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hideTyping {
    from {
        display: block;
        opacity: 1;
        transform: translateY(0);
    }
    to {
        display: none;
        opacity: 0;
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
        max-width: 100%;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .phones-container {
        flex-direction: column;
        gap: 2rem;
    }
    
    .phone-mockup {
        width: min(300px, 90vw);
        height: min(600px, 70vh);
        padding: 20px;
    }
    
    .phone-screen {
        padding: min(20px, 3vw) min(15px, 3vw) min(40px, 7vw);
        text-align: left;
    }
    
    .chat-bubble {
        font-size: min(0.85rem, 4vw);
        padding: min(10px, 2vw) min(14px, 3vw);
        margin-bottom: min(12px, 2.5vw);
    }
    
    .ai-badge {
        bottom: min(15px, 4vw);
        right: min(15px, 4vw);
        font-size: min(0.65rem, 3.5vw);
        padding: min(3px, 0.8vw) min(6px, 1.5vw);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .problem-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .phones-container {
        gap: 1rem;
    }
    
    .phone-mockup {
        width: min(280px, 95vw);
        height: min(550px, 65vh);
        padding: 15px;
        border-radius: 25px;
    }
    
    .phone-screen {
        padding: min(15px, 3vw) min(12px, 3vw) min(35px, 6vw);
        border-radius: 15px;
        text-align: left;
    }
    
    .chat-bubble {
        font-size: min(0.8rem, 4.5vw);
        padding: min(8px, 2vw) min(12px, 3vw);
        margin-bottom: min(10px, 2vw);
        border-radius: min(16px, 4vw);
    }
    
    .ai-badge {
        bottom: min(12px, 3vw);
        right: min(12px, 3vw);
        font-size: min(0.6rem, 4vw);
        padding: min(2px, 0.5vw) min(5px, 1vw);
        border-radius: min(10px, 2.5vw);
    }
    
    .typing-indicator span {
        width: min(6px, 1.5vw);
        height: min(6px, 1.5vw);
    }
}