:root {
    /* Metro Colors based on the provided image */
    --primary-color: #2D89EF; /* Metro Blue */
    --secondary-color: #00A300; /* Metro Green */
    --accent-color: #E3A21A; /* Metro Orange */
    --dark-bg: #000d33; /* Dark blue/black background from image */
    --header-bg: rgba(0, 13, 51, 0.95);
    --text-color: #ffffff;
    --text-muted: #bdc3c7;
    --tile-bg: rgba(255, 255, 255, 0.1);
    --footer-bg: #000821;
    --font-family: 'Segoe UI', 'Roboto', Helvetica, Arial, sans-serif;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--dark-bg);
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

a:hover {
    color: #5dade2;
}

.container {
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Header */
header {
    background-color: var(--header-bg);
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 1px;
    color: var(--text-color);
    text-transform: uppercase;
}

.logo span {
    font-weight: 700;
    color: var(--primary-color);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

nav a {
    color: var(--text-color);
    font-weight: 400;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

/* Hero Section */
.hero {
    /* Gradient similar to the promo image */
    background: radial-gradient(circle at top left, #1a2980, transparent 60%),
                radial-gradient(circle at bottom right, #26d0ce, transparent 60%),
                #000d33;
    padding: 6rem 0;
    text-align: center;
    overflow: hidden;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

@media (min-width: 900px) {
    .hero .container {
        flex-direction: row;
        text-align: left;
        align-items: center;
    }

    .hero-content {
        flex: 1;
        padding-right: 2rem;
    }

    .hero-image {
        flex: 1;
        display: flex;
        justify-content: center;
        perspective: 1000px;
    }
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: #fff;
}

.hero-content h1 strong {
    font-weight: 700;
    display: block;
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: var(--text-muted);
    font-weight: 300;
}

.btn-download img {
    height: 70px;
    transition: transform 0.2s;
}

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

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 580px;
    background-color: #111;
    border-radius: 35px;
    padding: 12px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    border: 4px solid #333;
    position: relative;
    transform: rotateY(-15deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.phone-mockup:hover {
    transform: rotateY(0deg) rotateX(0deg);
}

.screen {
    width: 100%;
    height: 100%;
    background-color: #000;
    border-radius: 25px;
    overflow: hidden;
    /* Metro Style Grid Layout */
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 60px;
    gap: 4px;
    padding: 15px 8px;
    background: url('https://images.unsplash.com/photo-1550684848-fac1c5b4e853?ixlib=rb-1.2.1&auto=format&fit=crop&w=500&q=80') no-repeat center center/cover;
    position: relative;
}

.screen::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.4); /* Darken bg for readability */
    z-index: 0;
}

/* Metro Tiles in Mockup */
.tile {
    position: relative;
    z-index: 1;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 0.7rem;
    transition: transform 0.2s;
    cursor: pointer;
}

.tile:hover {
    transform: scale(0.95);
    border: 2px solid rgba(255,255,255,0.5);
}

.tile.small { grid-column: span 1; grid-row: span 1; }
.tile.medium { grid-column: span 2; grid-row: span 2; }
.tile.wide { grid-column: span 4; grid-row: span 2; }
.tile.large { grid-column: span 4; grid-row: span 4; }

.tile.blue { background-color: #2D89EF; }
.tile.green { background-color: #00A300; }
.tile.orange { background-color: #E3A21A; }
.tile.purple { background-color: #7E3878; }
.tile.red { background-color: #EE1111; }
.tile.dark { background-color: #1D1D1D; }

.tile-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

/* Features Section - Metro Style */
.features {
    padding: 6rem 0;
    background-color: #111;
    color: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 4rem;
    color: #fff;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.feature-item {
    padding: 3rem 2rem;
    background-color: #1e1e1e;
    text-align: left;
    transition: all 0.3s;
    border-left: 5px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-item:nth-child(1) { border-left-color: #2D89EF; }
.feature-item:nth-child(2) { border-left-color: #00A300; }
.feature-item:nth-child(3) { border-left-color: #E3A21A; }
.feature-item:nth-child(4) { border-left-color: #EE1111; }

.feature-item:hover {
    background-color: #252525;
    transform: translateY(-5px);
}

.feature-item h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 400;
    color: #fff;
}

.feature-item p {
    color: #aaa;
    font-weight: 300;
}

/* Page Content (Privacy, Terms, Support) */
.page-content {
    padding: 4rem 0;
    flex: 1;
    background-color: rgba(0,0,0,0.2);
}

.page-content h1 {
    margin-bottom: 2rem;
    color: #fff;
    font-weight: 300;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 1rem;
    font-size: 2.5rem;
}

.page-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    font-size: 1.5rem;
    color: var(--primary-color);
    font-weight: 400;
}

.page-content p, .page-content ul, .contact-methods, .faq {
    margin-bottom: 1.2rem;
    color: #ddd;
    font-weight: 300;
}

.page-content ul {
    margin-left: 2rem;
}

.page-content li {
    margin-bottom: 0.5rem;
}

.faq-item {
    margin-bottom: 2rem;
    border-left: 3px solid var(--secondary-color);
    padding-left: 1.5rem;
    background: rgba(255,255,255,0.05);
    padding: 1.5rem;
}

.faq-item h3 {
    margin-bottom: 0.8rem;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 500;
}

/* Footer */
footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

footer .container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    footer .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: #888;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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