:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --text-muted: #a1a1aa;
    --primary-gradient: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    /* Gold to Orange */
    --surface-color: #111111;
    --border-color: #333333;
    --accent-glow: rgba(255, 215, 0, 0.15);

    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}

ul {
    list-style: none;
}

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

.text-center {
    text-align: center;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    gap: 10px;
}

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

.btn-primary {
    background: #fff;
    color: #000;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.25rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
    border-radius: 8px;
    /* Optional: adds nice touch if it's a square app icon */
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

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

.nav-links a:hover {
    color: #fff;
}

.nav-cta {
    color: #fff !important;
    background: var(--surface-color);
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.2s;
}

.nav-cta:hover {
    border-color: #fff;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    /* Offset for navbar */
    position: relative;
    overflow: hidden;
    flex-direction: column;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    margin-bottom: 60px;
    z-index: 2;
}

.subheadline {
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    width: 100%;
    max-width: 320px;
    /* App Size */
    z-index: 1;
}

.app-mockup {
    width: 100%;
    height: auto;
    border-radius: 40px;
    box-shadow: 0 20px 80px -10px rgba(0, 0, 0, 0.5);
    border: 8px solid #222;
    /* Basic Phone bezel */
    display: block;
}

.glow-effect {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

/* General Section Styles */
section {
    padding: 100px 0;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.feature-card {
    background: var(--surface-color);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    margin-bottom: 16px;
    font-size: 1.5rem;
}

/* Why Section / Benefits */
.why-section {
    background: linear-gradient(180deg, var(--bg-color) 0%, var(--surface-color) 100%);
}

.split-layout {
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-list {
    margin-top: 40px;
    display: grid;
    gap: 30px;
}

.benefit-list li {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.check {
    font-size: 1.5rem;
}

.benefit-list strong {
    color: #fff;
    display: block;
    margin-bottom: 4px;
    font-size: 1.1rem;
}

/* How It Works */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
    position: relative;
}

.step-item {
    position: relative;
    padding: 20px;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    margin-bottom: -30px;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.step-item h3 {
    position: relative;
    z-index: 1;
    margin-bottom: 16px;
}

.step-item p {
    position: relative;
    z-index: 1;
}

/* CTA Section */
.cta-section {
    padding: 160px 0;
    background: radial-gradient(circle at center, #222 0%, #000 100%);
}

.cta-section h2 {
    font-size: 3rem;
}

.cta-section p {
    margin-bottom: 40px;
    font-size: 1.25rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px;
    background: #050505;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand p {
    font-size: 0.9rem;
    max-width: 250px;
    margin-top: 10px;
}

.footer-links,
.footer-connect {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links h4,
.footer-connect h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 8px;
}

.footer-links a,
.social-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover,
.social-links a:hover {
    color: #fff;
}

.social-links {
    display: flex;
    flex-direction: column;
    /* Or row if preferred */
    gap: 12px;
}

.copyright {
    color: #444;
    font-size: 0.8rem;
    margin-top: 40px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    .nav-links {
        display: none;
        /* Simple hiding for first iteration, could add burger */
    }

    .hero {
        padding-top: 120px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
}