/* ========================================
   CSS Variables & Reset
   ======================================== */
:root {
    --primary: #1976D2;
    --primary-dark: #1565C0;
    --primary-light: #42A5F5;
    --accent: #FF5722;
    --accent-dark: #E64A19;
    --record-red: #F44336;
    --success: #4CAF50;
    --warning: #FFC107;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-light: #FFFFFF;
    --bg-light: #FAFAFA;
    --bg-dark: #1a1a2e;
    --bg-darker: #16213e;
    --border: #E0E0E0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-lg: 24px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--text-light);
}

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

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

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

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

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-light);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.btn-outline:hover {
    background: var(--text-light);
    color: var(--primary);
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.125rem;
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
}

.logo i {
    color: var(--record-red);
}

.logo:hover {
    color: var(--text-light);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
}

.nav-menu a {
    color: var(--text-light);
    font-weight: 500;
    opacity: 0.9;
}

.nav-menu a:hover {
    opacity: 1;
    color: var(--primary-light);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-weight: 500;
    cursor: pointer;
    opacity: 0.7;
    transition: var(--transition);
}

.lang-btn:hover,
.lang-btn.active {
    opacity: 1;
    color: var(--primary-light);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    padding: 140px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-light);
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 40px;
    padding: 10px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 25px;
    background: #000;
    border-radius: 20px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #2a2a2a;
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--primary);
    padding: 50px 15px 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-weight: 600;
}

.app-content {
    flex: 1;
    background: linear-gradient(180deg, #333 0%, #222 100%);
    position: relative;
}

.camera-preview {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #444 0%, #333 100%);
}

.floating-btn {
    position: absolute;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    box-shadow: var(--shadow);
}

.record-btn {
    background: var(--record-red);
    right: 20px;
    bottom: 80px;
    animation: pulse 2s infinite;
}

.close-btn {
    background: #757575;
    right: 24px;
    bottom: 20px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ========================================
   Section Styles
   ======================================== */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.125rem;
}

/* ========================================
   Features Section
   ======================================== */
.features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
}

/* ========================================
   How It Works Section
   ======================================== */
.steps {
    display: flex;
    flex-direction: column;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 30px;
}

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

.step-content h3 {
    color: var(--text-primary);
    margin-bottom: 10px;
}

/* ========================================
   Pricing Section
   ======================================== */
.pricing {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
}

.pricing .section-header h2,
.pricing .section-header p {
    color: var(--text-light);
}

.pricing-card {
    max-width: 400px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    text-align: center;
}

.pricing-header h3 {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 20px;
}

.price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
    margin-bottom: 30px;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 10px;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.period {
    color: var(--text-secondary);
    align-self: flex-end;
    margin-bottom: 10px;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features i {
    color: var(--success);
}

.pricing-note {
    margin-top: 15px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 30px;
    border: 1px solid var(--border);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-primary);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.author-info strong {
    display: block;
    color: var(--text-primary);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ========================================
   CTA Section
   ======================================== */
.cta {
    background: var(--primary);
    text-align: center;
    padding: 80px 0;
}

.cta h2,
.cta p {
    color: white;
}

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

.cta .btn-primary:hover {
    background: var(--bg-light);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-darker);
    padding: 60px 0 30px;
    color: var(--text-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 15px;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1rem;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ========================================
   Page Styles (for subpages)
   ======================================== */
.page-header {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    padding: 140px 0 60px;
    text-align: center;
}

.page-header h1 {
    color: var(--text-light);
    font-size: 2.5rem;
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
}

.page-content {
    padding: 60px 0;
    max-width: 800px;
    margin: 0 auto;
}

.page-content h2 {
    margin-top: 40px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.page-content h3 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-content ul,
.page-content ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.page-content li {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

/* FAQ Accordion */
.faq-item {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 15px;
    overflow: hidden;
}

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

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question i {
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 500px;
}

/* Contact Form */
.contact-form {
    background: white;
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* Info Cards */
.info-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 30px;
    margin-bottom: 30px;
    border-left: 4px solid var(--primary);
}

.info-card.warning {
    border-left-color: var(--warning);
    background: #fffbeb;
}

.info-card.danger {
    border-left-color: var(--record-red);
    background: #fef2f2;
}

.info-card h3 {
    margin-bottom: 15px;
}

/* Rights Section */
.rights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.rights-card {
    background: white;
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

.rights-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.rights-card i {
    color: var(--primary);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--bg-darker);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        transform: translateY(-150%);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .pricing-card {
        padding: 30px 20px;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }
}