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

/* Animated Scene */
.animated-scene {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
    width: 100vw; /* full-bleed */
    margin-left: calc(50% - 50vw); /* remove container side padding seams */
}

.animated-scene svg {
    width: 100%;
    max-width: none; /* allow full-bleed scaling */
    height: auto;
}

/* Airplane flies across */
@keyframes planeFly {
    0% { transform: translateX(-115%) translateY(0); opacity: 0; }
    10% { opacity: 1; }
    50% { transform: translateX(0) translateY(-6px); }
    100% { transform: translateX(115%) translateY(0); opacity: 0; }
}

#airplane { animation: planeFly 16s linear infinite; }

/* Parachutist gently descends with sway */
@keyframes parachuteSway {
    0% { transform: translateY(-8px) translateX(-6px) rotate(-1deg); }
    50% { transform: translateY(8px) translateX(6px) rotate(1deg); }
    100% { transform: translateY(-8px) translateX(-6px) rotate(-1deg); }
}

#parachutist {
    animation: parachuteSway 6s ease-in-out infinite;
}

/* Clouds */
@keyframes cloudDrift {
    0% { transform: translateX(-105%); }
    100% { transform: translateX(105%); }
}

#clouds-slow {
    animation: cloudDrift 60s linear infinite;
    opacity: 0.35;
}

#clouds-fast {
    animation: cloudDrift 35s linear infinite;
    opacity: 0.5;
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
    #airplane, #parachutist, #clouds-slow, #clouds-fast {
        animation: none !important;
    }
}

@media (max-width: 768px) {
    .animated-scene { margin-top: 2rem; }
}

:root {
    --primary-50: #f0f9ff;
    --primary-100: #e0f2fe;
    --primary-200: #bae6fd;
    --primary-300: #7dd3fc;
    --primary-400: #38bdf8;
    --primary-500: #0ea5e9;
    --primary-600: #0284c7;
    --primary-700: #0369a1;
    --primary-800: #075985;
    --primary-900: #0c4a6e;
    
    --secondary-50: #fdf4ff;
    --secondary-100: #fae8ff;
    --secondary-200: #f5d0fe;
    --secondary-300: #f0abfc;
    --secondary-400: #e879f9;
    --secondary-500: #d946ef;
    --secondary-600: #c026d3;
    --secondary-700: #a21caf;
    --secondary-800: #86198f;
    --secondary-900: #701a75;
    
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-400) 0%, var(--primary-400) 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--neutral-800);
    overflow-x: hidden;
    background: var(--neutral-50);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
}

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

.nav-brand {
    position: relative;
}

.nav-brand h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    font-size: 1.75rem;
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--neutral-600);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-600);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('baner.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: -1;
}

.hero-content {
    max-width: 900px;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.025em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.4);
}

.hero-subtitle {
    font-size: 1.375rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    font-weight: 400;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.app-store-btn {
    display: inline-block;
    transition: all 0.3s ease;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.app-store-btn:hover {
    transform: translateY(-3px) scale(1.05);
    filter: drop-shadow(0 8px 12px rgba(0, 0, 0, 0.15));
}

.app-store-btn img {
    height: 65px;
    width: auto;
}

.hero-demo-btn {
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary-700);
    padding: 1rem 2rem;
    border: 2px solid rgba(255, 255, 255, 0.9);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hero-demo-btn:hover {
    background: white;
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6), 0 1px 4px rgba(0, 0, 0, 0.4);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Features Section */
.features {
    padding: 8rem 0;
    background: var(--neutral-50);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neutral-200), transparent);
}

.features h2 {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--neutral-900);
    letter-spacing: -0.025em;
}

.features-subtitle {
    text-align: center;
    font-size: 1.25rem;
    color: var(--neutral-600);
    margin-bottom: 5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--neutral-100);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--gradient-secondary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--neutral-900);
    letter-spacing: -0.025em;
}

.feature-card p {
    color: var(--neutral-600);
    line-height: 1.7;
    font-size: 1.05rem;
}

/* Privacy Section */
.privacy {
    padding: 8rem 0;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.privacy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.privacy-content {
    position: relative;
    z-index: 1;
}

.privacy-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.privacy-content p {
    font-size: 1.375rem;
    margin-bottom: 3rem;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.privacy-link {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.privacy-link:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* FAQ Section */
.faq {
    padding: 8rem 0;
    background: white;
    position: relative;
}

.faq h2 {
    text-align: center;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 5rem;
    color: var(--neutral-900);
    letter-spacing: -0.025em;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--neutral-50);
    border-radius: 16px;
    margin-bottom: 1.5rem;
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-200);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    background: white;
}

.faq-question:hover {
    background: var(--neutral-50);
}

.faq-item.active .faq-question {
    background: var(--primary-50);
    color: var(--primary-700);
}

.faq-question h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin: 0;
}

.faq-toggle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-100);
    color: var(--primary-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.faq-item.active .faq-toggle {
    background: var(--primary-500);
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    background: white;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 2rem 2rem;
}

.faq-answer p {
    color: var(--neutral-600);
    line-height: 1.7;
    font-size: 1.05rem;
    margin: 0;
}

.faq-answer a {
    color: var(--primary-600);
    text-decoration: none;
    font-weight: 500;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* CTA Section */
.cta {
    padding: 8rem 0;
    background: var(--gradient-secondary);
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 2rem;
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: #2563eb;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: #94a3b8;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact a {
    color: #2563eb;
    text-decoration: none;
}

.footer-contact a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .features h2,
    .privacy-content h2,
    .faq h2,
    .cta h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .features,
    .privacy,
    .faq,
    .cta {
        padding: 4rem 0;
    }
}