/* ============================================
   RESPONSIVE.CSS - Media Queries & Mobile Styles
   ============================================ */

/* Tablet & Small Desktop (768px - 1024px) */
@media (max-width: 1024px) {
    .section-title {
        font-size: 2.2rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .demo h2 {
        font-size: 1.8rem;
    }

    .demo-text h3 {
        font-size: 1.4rem;
    }

    .demo-image {
        min-height: 300px;
    }

    .device-frame {
        width: 250px;
    }
}

/* Tablet (768px and down) */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .logo {
        font-size: 1.5rem;
    }

    .header-content {
        gap: 1rem;
    }

    .hero {
        padding: 4rem 1.5rem;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.8rem;
    }

    .button,
    .cta-button {
        width: 100%;
        text-align: center;
    }

    .features,
    .how-it-works,
    .use-cases {
        padding: 3rem 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .demo {
        padding: 3rem 1.5rem;
    }

    .demo h2 {
        font-size: 1.8rem;
    }

    .demo-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .demo-text h3 {
        font-size: 1.4rem;
    }

    .demo-text p {
        margin-bottom: 1rem;
    }

    .demo-list {
        margin-bottom: 1rem;
    }

    .demo-image {
        min-height: 400px;
        justify-content: center;
    }

    .device-frame {
        width: 280px;
    }

    .device-screen {
        height: 560px;
        padding: 1.5rem;
    }

    .stats {
        padding: 3rem 1.5rem;
    }

    .stat-number {
        font-size: 2.3rem;
    }

    .footer {
        padding: 2rem 1.5rem;
    }
}

/* Mobile (480px and down) */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .header-content {
        padding: 0 1rem;
        gap: 0.5rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    .cta-button {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    /* Hero */
    .hero {
        padding: 3rem 1rem;
    }

    .hero-image {
        margin-top: 1.5rem;
    }

    .hero h1 {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }

    .hero p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.7rem;
    }

    .button {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
        width: 100%;
    }

    /* Sections */
    .features,
    .how-it-works,
    .use-cases {
        padding: 2.5rem 1rem;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 0.8rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .features-grid,
    .use-cases-grid {
        gap: 1.5rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

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

    .feature-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.6rem;
    }

    .feature-card p {
        font-size: 0.9rem;
    }

    .steps-grid {
        gap: 1.5rem;
    }

    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .step h3 {
        font-size: 1.1rem;
    }

    .step p {
        font-size: 0.9rem;
    }

    .step-icon {
        width: 56px;
        height: 56px;
        margin-bottom: 0.8rem;
    }

    .use-case-image {
        width: 64px;
        height: 64px;
        margin-bottom: 0.8rem;
    }

    /* Demo */
    .demo {
        padding: 2.5rem 1rem;
    }

    .demo h2 {
        font-size: 1.4rem;
        margin-bottom: 1.5rem;
    }

    .demo-content {
        max-width: 100%;
    }

    .demo-text h3 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }

    .demo-text p {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .demo-list li {
        padding: 0.6rem 0;
        font-size: 0.95rem;
    }

    .demo-list li:before {
        width: 25px;
        height: 25px;
        line-height: 25px;
        margin-right: 0.8rem;
    }

    .demo-image {
        min-height: 300px;
        padding: 1.5rem;
        margin-top: 2rem;
    }

    .device-frame {
        width: 240px;
    }

    .device-screen {
        height: 450px;
        padding: 1rem;
    }

    .notch {
        width: 120px;
        height: 24px;
    }

    .screen-content h4,
    .screen-content .screen-title {
        font-size: 1rem;
        margin-bottom: 0.8rem;
    }

    .annotation-point {
        width: 35px;
        height: 35px;
        margin: 1rem 0;
        font-size: 0.9rem;
    }

    .instruction-text {
        padding: 0.8rem;
        font-size: 0.85rem;
    }

    .interactive-demo {
        margin-top: 2rem;
    }

    .tap-zone {
        padding: 1.5rem 1rem;
    }

    .tap-instruction {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    .interactive-point {
        width: 45px;
        height: 45px;
        margin: 0.8rem;
    }

    .interactive-point::after {
        font-size: 1rem;
    }

    .info-popup {
        padding: 1.2rem;
        margin-top: 1rem;
    }

    .popup-title {
        font-size: 1rem;
    }

    .popup-text {
        font-size: 0.9rem;
    }

    /* Use Cases */
    .use-case-card {
        padding: 1.5rem;
    }

    .use-case-card h4 {
        font-size: 1.1rem;
        margin-bottom: 0.8rem;
    }

    .use-case-card .challenge,
    .use-case-card .solution {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* Stats */
    .stats {
        padding: 2rem 1rem;
    }

    .stats-grid {
        gap: 1.5rem;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    /* Footer */
    .footer {
        padding: 2rem 1rem;
    }

    .footer-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .footer-links a {
        display: block;
        padding: 0.5rem 0;
    }

    .footer-copyright {
        font-size: 0.85rem;
    }
}

/* Extra Small (320px and down) */
@media (max-width: 320px) {
    .logo {
        font-size: 1.1rem;
    }

    .hero h1 {
        font-size: 1.3rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .feature-card p,
    .step p {
        font-size: 0.85rem;
    }

    .device-frame {
        width: 200px;
    }

    .device-screen {
        height: 380px;
    }
}