/* =====================================================
   PIKASHOW LANDING PAGE - PROFESSIONAL DESIGN
   Color Scheme: Yellow (#ffcc00), Orange (#ff9900), Dark Text
   ===================================================== */

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

:root {
    --primary-yellow: #ffcc00;
    --dark-orange: #ff9900;
    --light-yellow: #fffbf0;
    --dark-text: #1a1a1a;
    --light-text: #666666;
    --light-gray: #f5f5f5;
    --border-color: #ddd;
    --success-green: #28a745;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    background-color: #ffffff;
}

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

/* =====================================================
   BUTTONS & LINKS
   ===================================================== */

a {
    color: var(--primary-yellow);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-yellow);
    color: white;
}

.btn-primary:hover {
    background-color: var(--dark-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 153, 0, 0.3);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
}

.btn-download-header {
    background-color: var(--primary-yellow);
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-download-header:hover {
    background-color: var(--dark-orange);
}

.icon {
    margin-right: 8px;
}

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */

.header {
    background-color: white;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-image {
    height: 50px;
    width: auto;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-yellow);
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav a {
    color: var(--light-text);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* =====================================================
   HERO SECTION
   ===================================================== */

.hero {
    padding: 60px 0;
    background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero-text h2 {
    font-size: 2.8rem;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--dark-text);
}

.subtitle {
    font-size: 1.3rem;
    color: var(--primary-yellow);
    font-weight: 600;
    margin-bottom: 16px;
}

.description {
    font-size: 1.1rem;
    color: var(--light-text);
    margin-bottom: 24px;
    line-height: 1.8;
}

.hero-cta {
    margin-bottom: 32px;
}

.file-info {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-top: 12px;
}

.trust-badges {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.badge {
    background-color: var(--light-yellow);
    color: var(--primary-yellow);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.phone-mockup img {
    width: 100%;
    height: 100%;
    border-radius: 32px;
    object-fit: cover;
}

/* =====================================================
   QUICK FACTS SECTION
   ===================================================== */

.quick-facts {
    padding: 50px 0;
    background-color: var(--light-gray);
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.fact-card {
    background-color: white;
    padding: 32px 24px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.fact-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.fact-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.fact-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
    color: var(--dark-text);
}

.fact-card p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* =====================================================
   FEATURES SECTION
   ===================================================== */

.features {
    padding: 60px 0;
}

.features > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 48px;
    text-align: center;
    color: var(--dark-text);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-yellow);
    box-shadow: 0 12px 30px rgba(255, 153, 0, 0.15);
}

.feature-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-card h3 {
    font-size: 1.1rem;
    color: var(--dark-text);
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* =====================================================
   SPECIFICATIONS & TABLES
   ===================================================== */

.specs {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.specs > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--dark-text);
}

.specs-table-wrapper,
.troubleshoot-table-wrapper {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.specs-table,
.troubleshoot-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tbody tr {
    border-bottom: 1px solid var(--border-color);
}

.specs-table tbody tr:last-child {
    border-bottom: none;
}

.spec-label {
    padding: 16px 24px;
    font-weight: 600;
    color: var(--primary-yellow);
    background-color: var(--light-yellow);
    width: 40%;
}

.spec-value {
    padding: 16px 24px;
    color: var(--dark-text);
}

.troubleshoot-table thead {
    background-color: var(--primary-yellow);
}

.troubleshoot-table th {
    padding: 16px 24px;
    color: white;
    text-align: left;
    font-weight: 600;
}

.troubleshoot-table td {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.troubleshoot-table tbody tr:nth-child(even) {
    background-color: var(--light-gray);
}

/* =====================================================
   INSTALLATION SECTION
   ===================================================== */

.installation {
    padding: 60px 0;
}

.installation > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 48px;
    text-align: center;
    color: var(--dark-text);
}

.installation-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-bottom: 50px;
}

.step {
    position: relative;
    padding: 32px;
    background-color: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--primary-yellow);
}

.step-number {
    position: absolute;
    top: -16px;
    left: 20px;
    background-color: var(--primary-yellow);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.step h3 {
    margin-top: 8px;
    margin-bottom: 12px;
    color: var(--dark-text);
}

.step p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

.troubleshooting {
    background-color: var(--light-yellow);
    padding: 32px;
    border-radius: 8px;
    margin-top: 40px;
}

.troubleshooting h3 {
    color: var(--dark-text);
    margin-bottom: 20px;
}

.troubleshoot-items {
    display: grid;
    gap: 16px;
}

.troubleshoot-item {
    padding: 16px;
    background-color: white;
    border-radius: 6px;
    border-left: 3px solid var(--success-green);
    color: var(--dark-text);
}

/* =====================================================
   DEVICE SUPPORT SECTION
   ===================================================== */

.device-support {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.device-support > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 48px;
    text-align: center;
    color: var(--dark-text);
}

.device-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.device-card {
    background-color: white;
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
}

.device-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.device-card h3 {
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: var(--dark-text);
}

.device-card p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =====================================================
   CONTENT GUIDE SECTION
   ===================================================== */

.content-guide {
    padding: 60px 0;
}

.content-guide > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 48px;
    text-align: center;
    color: var(--dark-text);
}

.guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.guide-card {
    background-color: var(--light-gray);
    padding: 28px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.guide-card h3 {
    color: var(--primary-yellow);
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.guide-card p {
    color: var(--light-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* =====================================================
   SAFETY SECTION
   ===================================================== */

.safety {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.safety > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 48px;
    text-align: center;
    color: var(--dark-text);
}

.safety-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.safety-do,
.safety-dont {
    background-color: white;
    padding: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.safety-do {
    border-left: 4px solid var(--success-green);
}

.safety-dont {
    border-left: 4px solid #dc3545;
}

.safety-do h3,
.safety-dont h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.safety-do h3 {
    color: var(--success-green);
}

.safety-dont h3 {
    color: #dc3545;
}

.safety-do ul,
.safety-dont ul {
    list-style: none;
}

.safety-do li,
.safety-dont li {
    padding: 10px 0;
    color: var(--light-text);
    padding-left: 24px;
    position: relative;
}

.safety-do li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: bold;
}

.safety-dont li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: #dc3545;
    font-weight: bold;
}

/* =====================================================
   TROUBLESHOOTING SECTION
   ===================================================== */

.troubleshooting {
    padding: 60px 0;
}

.troubleshooting > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 40px;
    text-align: center;
    color: var(--dark-text);
}

/* =====================================================
   FAQ SECTION
   ===================================================== */

.faq {
    padding: 60px 0;
    background-color: var(--light-gray);
}

.faq > .container > h2 {
    font-size: 2.2rem;
    margin-bottom: 48px;
    text-align: center;
    color: var(--dark-text);
}

.faq-items {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: 20px;
    text-align: left;
    background-color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--dark-text);
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question:hover {
    background-color: var(--light-yellow);
    color: var(--primary-yellow);
}

.faq-question::after {
    content: '▼';
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
    transform: rotateZ(180deg);
}

.faq-answer {
    display: none;
    padding: 20px;
    background-color: var(--light-yellow);
    border-top: 1px solid var(--border-color);
    color: var(--dark-text);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-answer p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* =====================================================
   CTA SECTION
   ===================================================== */

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-yellow), var(--dark-orange));
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.1rem;
    margin-bottom: 32px;
    opacity: 0.95;
}

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
    background-color: #1a1a1a;
    color: #ccc;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    color: white;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.footer-section p {
    color: #bbb;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.footer-section ul {
    list-style: none;
}

.footer-section a {
    color: #bbb;
    font-size: 0.9rem;
    display: block;
    padding: 6px 0;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 20px;
    text-align: center;
    color: #999;
    font-size: 0.85rem;
}

.disclaimer {
    margin-top: 10px;
    font-size: 0.8rem;
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 16px;
    }

    .nav ul {
        flex-direction: column;
        gap: 12px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-text h2 {
        font-size: 2rem;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

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

    .cta-section h2 {
        font-size: 1.8rem;
    }

    .features-grid,
    .facts-grid,
    .device-cards,
    .guide-grid {
        grid-template-columns: 1fr;
    }

    .installation-steps {
        grid-template-columns: 1fr;
    }

    .step {
        padding-top: 40px;
    }
}

@media (max-width: 480px) {
    .hero-text h2 {
        font-size: 1.5rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .trust-badges {
        flex-direction: column;
    }

    .badge {
        width: 100%;
        justify-content: center;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

    .specs-table tbody {
        display: block;
    }

    .spec-label,
    .spec-value {
        display: block;
        width: 100%;
    }

    .spec-label {
        background-color: var(--light-yellow);
        font-weight: 600;
    }
}