/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --teal-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --dark-bg: #0a0a0f;
    --dark-card: #13131a;
    --darker-card: #0d0d12;
    --purple: #8b5cf6;
    --pink: #ec4899;
    --teal: #14b8a6;
    --green: #10b981;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --border-color: #2a2a35;
}

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

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

/* Header */
.header {
    position: sticky;
    top: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    z-index: 1000;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
}

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

.logo-badge {
    background: var(--secondary-gradient);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.cta-button {
    background: var(--teal-gradient);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s;
    text-decoration: none;
}

.cta-button:hover {
    transform: translateY(-2px);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    margin-left: auto;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 0;
    background: radial-gradient(ellipse at top, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(20, 184, 166, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--purple);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.title-line-1 {
    color: var(--text-primary);
}

.title-line-2 {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line-3,
.title-line-4 {
    background: var(--teal-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.hero-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--teal-gradient);
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.3);
}

.btn-secondary {
    background: var(--dark-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--purple);
    transform: translateY(-2px);
}

/* Hero Image */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(135deg, var(--dark-card) 0%, var(--darker-card) 100%);
    border-radius: 40px;
    padding: 15px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    position: relative;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 25px;
    background: var(--darker-card);
    border-radius: 0 0 15px 15px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(139, 92, 246, 0.2) 0%, transparent 70%),
                linear-gradient(135deg, var(--darker-card) 0%, var(--dark-card) 100%);
    border-radius: 30px;
}

/* Section Styles */
.section {
    padding: 5rem 0;
}

.section-dark {
    background: var(--darker-card);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

.content-box {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.section-dark .content-box {
    background: var(--dark-bg);
}

.content-box h3 {
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--purple);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.2);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 12px;
}

.card-badge {
    background: var(--teal-gradient);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.card-btn {
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.card-btn:hover {
    background: var(--purple);
    border-color: var(--purple);
}

/* Lists */
.steps-list,
.check-list,
.safety-list {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.steps-list li,
.check-list li,
.safety-list li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    padding-left: 0.5rem;
}

/* Safety Checklist */
.safety-checklist {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.safety-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border-left: 3px solid var(--green);
    border-radius: 8px;
}

.safety-icon {
    font-size: 1.5rem;
    color: var(--green);
    font-weight: 700;
}

/* Install Steps */
.install-steps {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.install-step {
    background: rgba(139, 92, 246, 0.1);
    border-left: 3px solid var(--purple);
    padding: 1.5rem;
    border-radius: 8px;
}

.install-step h4 {
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.install-step p,
.install-step ul {
    color: var(--text-secondary);
}

.install-step ul {
    padding-left: 1.5rem;
}

/* Device Grid */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.device-card {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}

.device-card:hover {
    transform: translateY(-5px);
    border-color: var(--teal);
}

.device-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.device-name {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.device-version {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.device-btn {
    width: 100%;
    padding: 0.75rem;
    background: var(--teal-gradient);
    border: none;
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.device-btn:hover {
    transform: scale(1.05);
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--dark-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s;
}

.faq-question:hover {
    color: var(--purple);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

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

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

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
}

/* CTA Groups */
.cta-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.note {
    background: rgba(236, 72, 153, 0.1);
    border-left: 3px solid var(--pink);
    padding: 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    margin: 1.5rem 0;
}

/* Inline Links */
.inline-links {
    display: flex;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.inline-links.centered {
    justify-content: center;
}

.inline-link {
    color: var(--teal);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.inline-link:hover {
    color: var(--purple);
}

/* Footer */
.footer {
    background: var(--darker-card);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 1.5rem;
}

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

.footer-tagline {
    color: var(--text-secondary);
    margin-top: 1rem;
}

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

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero-image {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 15px;
    }
    
    .header {
        padding: 0.75rem 0;
    }
    
    .nav-wrapper {
        position: relative;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo-icon {
        font-size: 1.25rem;
    }
    
    .logo-badge {
        font-size: 0.65rem;
        padding: 0.2rem 0.4rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-card);
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        border-top: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        transition: all 0.3s ease;
    }
    
    .nav.active {
        max-height: 300px;
        opacity: 1;
        padding: 1rem;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.75rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link:last-child {
        border-bottom: none;
    }
    
    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .cta-button {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .hero {
        padding: 1.5rem 0 2.5rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.8rem;
        margin-bottom: 1rem;
    }
    
    .badge-icon {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.15;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
        margin-bottom: 1rem;
        line-height: 1.6;
    }
    
    .hero-description:last-of-type {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .section {
        padding: 2.5rem 0;
    }
    
    .section-title {
        font-size: 1.75rem;
        margin-bottom: 1rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .section-icon {
        font-size: 2.5rem;
    }
    
    .content-box {
        padding: 1.5rem;
    }
    
    .content-box p {
        font-size: 0.95rem;
    }
    
    .device-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        gap: 1rem;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .install-step {
        padding: 1.25rem;
    }
    
    .faq-question {
        font-size: 1rem;
        padding: 1.25rem;
    }
    
    .faq-answer p {
        font-size: 0.9rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer-top {
        gap: 2rem;
    }
}

@media (max-width: 400px) {
    .hero-title {
        font-size: 1.65rem;
    }
    
    .btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .logo-text {
        font-size: 0.9rem;
    }
    
    .cta-button {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .cta-icon {
        font-size: 0.9rem;
    }
}