/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Premium Dark */
    --primary-bg: #020b16;  /* Very dark navy */
    --secondary-bg: #0b1a2f; /* Lighter navy for sections */
    --accent: #64ffda;      /* Cyan/Teal for highlights */
    --accent-hover: #48d1b2;
    --text-primary: #e6f1ff;
    --text-secondary: #8892b0;
    --glass-bg: rgba(17, 34, 64, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background: transparent;
    border-color: var(--accent);
    color: var(--accent);
}

.btn-primary:hover {
    background: rgba(100, 255, 218, 0.1);
    transform: translateY(-2px);
}

.btn-solid {
    background: var(--accent);
    color: var(--primary-bg);
}

.btn-solid:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(100, 255, 218, 0.3);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(90deg, #fff, #8892b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

/* Glassmorphism Effect */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Header */
header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    background: rgba(2, 11, 22, 0.85); /* Slightly transparent background initially */
    backdrop-filter: blur(10px);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--accent);
    bottom: -4px;
    left: 0;
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 10% 20%, rgba(20, 40, 60, 0.4) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(100, 255, 218, 0.05) 0%, transparent 20%);
    position: relative;
    padding-top: var(--header-height);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
    border: 1px solid rgba(100, 255, 218, 0.3);
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.app-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* Features Grid */
.features {
    padding: 100px 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 40px;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-color: var(--accent);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
    background: rgba(100, 255, 218, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* App Download Section */
.download-cta {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download-box {
    padding: 60px;
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.download-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.1), transparent);
    z-index: -1;
    border-radius: 16px;
}

.download-box h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.download-box p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Footer */
footer {
    padding: 50px 0 20px;
    background: var(--secondary-bg);
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.footer-brand p {
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    justify-content: flex-end;
    gap: 60px;
}

.footer-column h5 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 600;
}

.footer-column ul li {
    margin-bottom: 10px;
}

.footer-column ul li a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-column ul li a:hover {
    color: var(--accent);
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu implementation needed later */
        position: absolute;
        top: var(--header-height);
        right: 0;
        width: 100%;
        background: var(--primary-bg);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: block;
        color: var(--text-primary);
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 30px;
    }
}