:root {
    --primary-color: #2196F3;
    --primary-dark: #1976D2;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #f9f9f9;
    --white: #ffffff;
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

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

/* Header */
header {
    background: var(--white);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

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

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
}

nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

nav a {
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Buttons */
.btn {
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.btn-primary, header .btn {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover, header .btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
    color: var(--white);
}

.btn-secondary {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: rgba(33, 150, 243, 0.05);
}

/* Hero Section */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
    overflow: hidden; /* Prevent image overflow */
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #2c3e50;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

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

/* Phone Frame Style for Screenshots */
.phone-frame {
    width: 300px; /* Adjust based on your screenshot aspect ratio */
    border-radius: 40px;
    border: 8px solid #333; /* Bezel */
    background: #333;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    position: relative;
    line-height: 0; /* Remove gap below image */
}

.phone-frame img {
    width: 100%;
    height: auto;
    border-radius: 32px; /* Inner radius */
    background: #fff;
}

/* Features */
.features {
    padding: 80px 0;
    text-align: center;
}

.features h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.feature-card p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Screenshots Section */
.screenshots {
    padding: 80px 0;
    background-color: #f0f4f8;
    text-align: center;
}

.screenshots h2 {
    font-size: 2rem;
    margin-bottom: 50px;
}

.screenshot-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.screenshot-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.screenshot-item .caption {
    font-weight: 600;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Setup Steps */
.setup {
    background-color: var(--white);
    padding: 80px 0;
}

.setup h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
}

.steps {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
}

.step-num {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.step h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.step p {
    color: var(--text-light);
}

/* Footer */
footer {
    padding: 30px 0;
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    border-top: 1px solid #eee;
}

footer a {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .steps {
        flex-direction: column;
        gap: 40px;
    }
}