:root {
    --bg-color: #0B0F19;
    /* Midnight Blue */
    --surface-color: #151B2B;
    /* Dark Slate */
    --primary-color: #D4AF37;
    /* Gold */
    --text-color: #F8FAFC;
    --text-muted: #94A3B8;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(11, 15, 25, 0.9);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--primary-color);
}

.logo {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--primary-color);
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    color: #000;
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: 16px;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-color);
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-left: 16px;
    transition: all 0.3s ease;
    font-family: var(--font-body);
    font-size: 16px;
    letter-spacing: 0.5px;
}

.btn-secondary:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 50% 50%, rgba(21, 27, 43, 1) 0%, rgba(11, 15, 25, 1) 100%);
}

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

.hero h1 {
    font-family: var(--font-heading);
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(to right, #F8FAFC, #94A3B8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 480px;
    font-weight: 300;
}

/* Phone Mockup Image */
.phone-mockup-img,
.phone-mockup-video {
    width: 100%;
    max-width: 400px;
    height: auto;
    /* Ensure aspect ratio is preserved */
    border-radius: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border: 4px solid rgba(212, 175, 55, 0.2);
    /* Gold border hint */
    display: block;
    margin: 0 auto;
    /* Center in container */
}

.phone-mockup-video {
    object-fit: cover;
    background: #000;
    max-height: 80vh;
    /* Prevent it from being too tall on mobile landscape */
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

/* Features */
.features {
    padding: 100px 0;
    background: var(--surface-color);
}

/* Gallery */
.gallery {
    padding: 0 0 100px;
    background: var(--surface-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 400px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Gallery Item & Overlay Shared Styles */
.gallery-item .overlay,
.full-gallery-item .overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 32px;
    background: linear-gradient(to top, rgba(11, 15, 25, 0.95), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .overlay,
.full-gallery-item:hover .overlay {
    opacity: 1;
}

.gallery-item span,
.full-gallery-item span {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 8px;
}

.gallery-item p,
.full-gallery-item p {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 300;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item {
        height: 300px;
    }
}

.features h2 {
    font-family: var(--font-heading);
    font-size: 48px;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.02);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    background: rgba(212, 175, 55, 0.05);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-card .icon {
    font-size: 40px;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.feature-card p {
    color: var(--text-muted);
    font-weight: 300;
}

/* Download / CTA */
.download {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(to bottom, var(--surface-color), var(--bg-color));
}

.download h2 {
    font-family: var(--font-heading);
    font-size: 48px;
    margin-bottom: 24px;
}

.download p {
    font-size: 20px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.signup-form {
    display: flex;
    justify-content: center;
    gap: 16px;
    max-width: 500px;
    margin: 0 auto;
}

.signup-form input {
    flex: 1;
    padding: 12px 24px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    color: #fff;
    font-family: var(--font-body);
    font-size: 16px;
    transition: all 0.3s ease;
}

.signup-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.05);
}

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.links a {
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 32px;
    transition: color 0.2s;
}

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

.copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 48px;
    }

    .cta-group {
        display: flex;
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .btn-secondary {
        margin-left: 0;
    }

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

    .signup-form {
        flex-direction: column;
    }
}