/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #001f3f 0%, #0077b6 100%);
    display: flex; justify-content: center; align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}
#loading-screen.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-content { text-align: center; animation: fadeIn 0.5s ease-out; }
.loading-logo {
    width: 200px; height: auto; object-fit: contain;
    margin-bottom: 2rem; animation: pulse 1.5s ease-in-out infinite;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}
.loading-spinner {
    width: 50px; height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid #00b4d8; border-radius: 50%;
    animation: spin 1s linear infinite; margin: 0 auto;
}

/* Loading States */
body.loading > *:not(#loading-screen) { opacity: 0; visibility: hidden; }
body.loaded > *:not(#loading-screen) { opacity: 1; visibility: visible; transition: opacity 0.5s ease-out; }

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.05); opacity: 0.9; } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg-main: #001f3f;
    --bg-section: #002850;
    --bg-card: #003366;
    --bg-card-hover: #004080;
    --text-primary: #ffffff;
    --text-secondary: #b0c4de;
    --text-muted: #7a9cc6;
    --primary-color: #0077b6;
    --primary-hover: #005f91;
    --accent-color: #00b4d8;
    --accent-hover: #0096c7;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: linear-gradient(180deg, var(--bg-main) 0%, #00152b 100%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(0, 31, 63, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}
.nav-container { max-width: 1400px; margin: 0 auto; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; font-size: 1.5rem; color: var(--text-primary); }
.logo-image { height: 45px; width: auto; object-fit: contain; }
.logo-text { white-space: nowrap; }
.nav-menu { display: flex; list-style: none; gap: 2rem; }
.nav-link { text-decoration: none; color: var(--text-secondary); font-weight: 500; transition: var(--transition); position: relative; }
.nav-link:hover, .nav-link.active { color: var(--accent-color); }
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--accent-color); transition: width 0.3s; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-buttons { display: flex; gap: 1rem; }
.hamburger { display: none; flex-direction: column; gap: 4px; cursor: pointer; }
.hamburger span { width: 25px; height: 3px; background: var(--text-primary); transition: var(--transition); border-radius: 3px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; border-radius: 8px; font-weight: 600; text-decoration: none; transition: var(--transition); border: 2px solid transparent; cursor: pointer; font-size: 1rem; }
.btn-primary { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-secondary { background: transparent; color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover { border-color: var(--accent-color); color: var(--accent-color); }
.btn-outline { background: transparent; color: white; border-color: rgba(255, 255, 255, 0.5); }
.btn-outline:hover { background: white; color: var(--bg-main); border-color: white; }
.btn-outline-light { background: transparent; color: white; border-color: rgba(255, 255, 255, 0.3); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: white; }
.btn-accent { background: var(--accent-color); color: var(--bg-main); border-color: var(--accent-color); }
.btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-large { padding: 1rem 2rem; font-size: 1.1rem; }

/* 🔹 HERO SLIDER: iOS CHROME OPTIMIZED SLIDE-IN + PUSH-DOWN */
.hero-slider {
    position: relative;
    width: 100%;
    max-height: 0; /* max-height transitions are far more reliable on iOS */
    min-height: 0;
    overflow: hidden;
    transition: max-height 3s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-transition: max-height 3s cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-slider.revealed {
    max-height: 100vh;
}

/* 🔑 Inner container handles GPU slide-in (separated from layout animation) */
.slider-container {
    position: relative;
    width: 100%;
    height: 100vh;
    transform: translate3d(-100%, 0, 0); /* translate3d forces hardware acceleration on iOS */
    opacity: 0;
    transition: 
        transform 3s cubic-bezier(0.16, 1, 0.3, 1) 0.2s,
        opacity 2.5s cubic-bezier(0.25, 0.8, 0.25, 1) 0.4s;
    -webkit-transition: 
        transform 3s cubic-bezier(0.16, 1, 0.3, 1) 0.2s,
        opacity 2.5s cubic-bezier(0.25, 0.8, 0.25, 1) 0.4s;
    will-change: transform, opacity;
}
.hero-slider.revealed .slider-container {
    transform: translate3d(0, 0, 0);
    opacity: 1;
}

.slide { position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; transition: opacity 0.8s ease-in-out, visibility 0.8s; }
.slide.active { opacity: 1; visibility: visible; }
.slide-image { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.slide-image img { width: 100%; height: 100%; object-fit: cover; transform: scale(1); transition: transform 6s ease; }

.slide-content { position: relative; z-index: 2; height: 100%; display: flex; align-items: center; justify-content: flex-start; padding: 0 2rem 0 8rem; }
.content-wrapper { max-width: 60%; width: 100%; margin: 0; text-align: left; }
@media (max-width: 768px)     .slide-content { 
        padding: 0 1.5rem; 
        justify-content: flex-start; /* Ensure content aligns to the left */
    }
    
    .content-wrapper { 
        max-width: 60%; /* Changed from 90% to 50% */
        width: 60%;     /* Explicitly set width to 50% */
        margin-left: 0; 
        padding-left: 0; 
    }
.slide-title { font-size: clamp(2.5rem, 6vw, 5rem); font-weight: 700; color: white; line-height: 1.1; margin-bottom: 1.5rem; display: flex; flex-direction: column; }
.title-line { display: block; opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
.slide.active .title-line { opacity: 1; transform: translateY(0); }
.slide.active .title-line:nth-child(1) { transition-delay: 0.3s; }
.slide.active .title-line:nth-child(2) { transition-delay: 0.5s; }
.slide-description { font-size: clamp(1.1rem, 2vw, 1.5rem); color: rgba(255, 255, 255, 0.9); max-width: 600px; margin-bottom: 2.5rem; line-height: 1.6; opacity: 0; transform: translateY(20px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.7s; }
.slide.active .slide-description { opacity: 1; transform: translateY(0); }
.slide-buttons { display: flex; gap: 1rem; flex-wrap: wrap; opacity: 0; transform: translateY(20px); transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.9s; }
.slide.active .slide-buttons { opacity: 1; transform: translateY(0); }

/* 🔹 MODERN & MORE VISIBLE SLIDER CONTROLS */
.slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    /* Modern "Glass" Look with better contrast */
    background: rgba(0, 31, 63, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    width: 64px;
    height: 64px;
    border-radius: 20px; /* Rounded squares for a more modern UI feel */
    cursor: pointer;
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    /* Smooth transitions */
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 10;
    opacity: 0.85; /* Slightly more visible by default */
    
    /* Modern subtle glow */
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), 
                0 0 10px rgba(0, 180, 216, 0.1);
}

/* Hover State: Pop out effect */
.slider-control:hover {
    background: rgba(0, 180, 216, 0.8); /* Accent color background */
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 180, 216, 0.4);
    opacity: 1;
    color: #001f3f; /* Dark text on bright background */
}

/* Active/Click State */
.slider-control:active {
    transform: translateY(-50%) scale(0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Positioning */
.slider-control.prev { left: 2.5rem; }
.slider-control.next { right: 2.5rem; }

/* SVG Icons - make arrows bolder */
.slider-control svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    /* Move controls to bottom area to prevent text overlap */
    .slider-control {
        width: 44px;
        height: 44px;
        top: auto;
        bottom: 11rem; /* Positions them safely above the navigation dots */
        transform: translateY(0);
    }
    .slider-control:hover {
        transform: translateY(0) scale(1.1);
    }
    .slider-control:active {
        transform: translateY(0) scale(0.95);
    }
    .slider-control.prev { left: 1rem; }
    .slider-control.next { right: 1rem; }

    /* Add bottom padding to content so text stays clear of buttons */
    .slide-content {
        padding: 0 1.5rem 6rem 1.5rem;
    }
    
    /* Keep other existing mobile overrides below this line */
    .slide-content { padding: 0 1.5rem; }
    .content-wrapper { max-width: 90%; margin-left: 0; padding-left: 0; }
    .slide-description { padding: 0 1rem; max-width: 100%; }
    .slide-title { font-size: 2rem; }
    .slide-buttons { flex-direction: column; width: 100%; }
    .btn-large { width: 100%; }
    .features { padding: 4rem 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .logo-image { height: 35px; }
    .features-logo-image { width: 250px; }
    .slide-content ul li { font-size: 1.1rem; padding-left: 1.5rem; }
    .slide-content ul li::before { font-size: 1.5rem; }
}

/* Slider Dots */
.slider-dots { position: absolute; bottom: 3rem; left: 50%; transform: translateX(-50%); display: flex; gap: 1rem; z-index: 10; }
.dot { width: 12px; height: 12px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.5); background: transparent; cursor: pointer; transition: var(--transition); padding: 0; }
.dot:hover { background: rgba(255, 255, 255, 0.5); transform: scale(1.2); }
.dot.active { background: var(--accent-color); border-color: var(--accent-color); transform: scale(1.3); }

/* Features Section */
.features { padding: 6rem 2rem; background: var(--bg-section); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
@media (max-width: 480px) {
    .content-wrapper { 
        max-width: 70%; /* Slightly wider on very small screens for better readability */
        width: 70%;
    }
}
.container { max-width: 1400px; margin: 0 auto; }
.features-logo { display: flex; justify-content: center; align-items: center; margin-bottom: 2rem; }
.features-logo-image { width: 300px; height: auto; object-fit: contain; animation: fadeInUp 0.8s ease-out; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: clamp(2rem, 4vw, 3rem); color: var(--text-primary); margin-bottom: 1rem; }
.section-header p { font-size: 1.25rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
.feature-card { background: var(--bg-card); padding: 2.5rem; border-radius: 16px; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border-color); animation: fadeInUp 0.6s ease-out backwards; }
.feature-card:hover { background: var(--bg-card-hover); transform: translateY(-5px); box-shadow: var(--shadow-xl); border-color: var(--accent-color); }
.feature-icon { font-size: 3rem; margin-bottom: 1.5rem; }
.feature-card h3 { font-size: 1.5rem; color: var(--text-primary); margin-bottom: 1rem; }
.feature-card p { color: var(--text-secondary); line-height: 1.6; }
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

/* CTA Section */
.cta-section { padding: 6rem 2rem; background: linear-gradient(135deg, var(--primary-color) 0%, var(--bg-main) 100%); color: white; text-align: center; border-top: 1px solid var(--border-color); }
.cta-content { max-width: 800px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.5rem; }
.cta-content p { font-size: 1.25rem; margin-bottom: 2.5rem; opacity: 0.95; }
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-bottom: 2rem; }
.cta-note { font-size: 0.9rem; opacity: 0.8; }

/* Footer */
.footer { background: #00152b; color: white; padding: 4rem 2rem 2rem; border-top: 1px solid var(--border-color); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 4rem; margin-bottom: 3rem; }
.footer-brand .logo { color: white; margin-bottom: 1rem; }
.footer-brand .logo-image { height: 40px; }
.footer-brand p { color: var(--text-secondary); line-height: 1.6; }
.footer-links h4, .footer-contact h4 { font-size: 1.1rem; margin-bottom: 1.5rem; color: var(--text-primary); }
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 0.75rem; }
.footer-links a { color: var(--text-secondary); text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: var(--accent-color); padding-left: 5px; }
.footer-contact p { color: var(--text-secondary); margin-bottom: 0.75rem; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { color: var(--text-muted); }
.footer-legal { display: flex; gap: 2rem; }
.footer-legal a { color: var(--text-muted); text-decoration: none; transition: var(--transition); }
.footer-legal a:hover { color: white; }

/* List Styles */
.stylish-list { list-style: none; padding: 0; margin: 0; }
.stylish-list li { font-size: 1.4rem; line-height: 1.6; color: #444; margin-bottom: 25px; padding-left: 30px; position: relative; }
.stylish-list li::before { content: "•"; color: #007bff; font-weight: bold; font-size: 2rem; position: absolute; left: 0; top: -5px; }
/* 🔑 FIXED: Bullet encoding + strict list reset */
.slide-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    text-align: left;
}
.slide-content ul li {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
/* Use Unicode escape \2022 instead of literal • to prevent encoding glitches */
.slide-content ul li::before {
    content: "\2022";
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.8rem;
    position: absolute;
    left: 0;
    top: -2px;
}
.slide.active .slide-content ul li { opacity: 1; transform: translateX(0); }
.slide.active .slide-content ul li:nth-child(1) { transition-delay: 0.8s; }
.slide.active .slide-content ul li:nth-child(2) { transition-delay: 1.0s; }
.slide.active .slide-content ul li:nth-child(3) { transition-delay: 1.2s; }
.slide.active .slide-content ul li:nth-child(4) { transition-delay: 1.4s; }

/* ========== RESPONSIVE ========== */
/* ========== MOBILE NAVIGATION CLEANUP ========== */
@media (max-width: 1024px) {
    .nav-menu, .nav-buttons { display: none; }
    .hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; }

    /* 🔹 FORCE HIDE THE LARGE CTA BUTTON ON MOBILE */
    .nav-buttons, 
    .nav-buttons.active { 
        display: none !important; 
    }

    /* 🔹 CLEAN & CLEAR MOBILE DROPDOWN */
    .nav-menu.active {
        display: flex !important;
        flex-direction: column;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background: rgba(0, 31, 63, 0.98);
        backdrop-filter: blur(12px);
        padding: 1.5rem 2rem;
        gap: 0.5rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    /* Make text links larger, clearer, and easier to tap */
    .nav-menu.active .nav-link {
        display: block;
        font-size: 1.2rem;
        font-weight: 600;
        padding: 0.85rem 0;
        color: #ffffff;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transition: var(--transition);
    }

    .nav-menu.active .nav-link:last-child { border-bottom: none; }

    .nav-menu.active .nav-link:hover,
    .nav-menu.active .nav-link.active {
        color: var(--accent-color);
        padding-left: 0.5rem;
    }
}
@media (max-width: 768px) {
    .slide-content { padding: 0 1.5rem; }
    .content-wrapper { max-width: 90%; margin-left: 0; padding-left: 0; }
    .slide-description { padding: 0 1rem; max-width: 100%; }
    .slide-title { font-size: 2rem; }
    .slide-buttons { flex-direction: column; width: 100%; }
    .btn-large { width: 100%; }
    .slider-control { width: 45px; height: 45px; opacity: 1; }
    .slider-control.prev { left: 1rem; }
    .slider-control.next { right: 1rem; }
    .features { padding: 4rem 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .logo-image { height: 35px; }
    .features-logo-image { width: 250px; }
    .slide-content ul li { font-size: 1.1rem; padding-left: 1.5rem; }
    .slide-content ul li::before { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .slide-content { padding: 0 1rem; }
    .content-wrapper { max-width: 85%; margin-left: 0; }
    .slide-description { padding: 0 0.5rem; font-size: 1rem; }
    .slide-title { font-size: 1.75rem; }
    .slider-dots { bottom: 2rem; }
}

/* Mobile Nav */
.nav-menu.active, .nav-buttons.active {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: #001f3f; padding: 2rem; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
    gap: 1rem; border-bottom: 1px solid rgba(255,255,255,0.1);
}

/* ♿ Accessibility: Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .hero-slider { transition: height 0.5s ease, opacity 0.4s ease; transform: none; }
    .hero-slider.revealed { transform: none; }
    .slide.active .title-line, .slide.active .slide-description,
    .slide.active .slide-buttons, .slide.active .slide-content ul li {
        transition: none; opacity: 1; transform: none;
    }
}
/* 🔹 DEMO BUTTON STYLING */
#reveal-slider-btn {
    display: block;
    margin: 2.5rem auto 0;
    min-width: 320px;
    /* Inherits all .btn-primary styles automatically */
}
#reveal-slider-btn.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
    transition: opacity 0.5s ease, transform 0.5s ease;
}