/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: #ffffff;
    color: #202124;
    line-height: 1.6;
}

/* Header */
header {
    position: fixed;
    width: 100%;
    top: 0;
    background: #fff;
    border-bottom: 1px solid #e0e0e0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: -0.3px;
}

.logo::after {
    content: "";
    font-size: 16px;
    opacity: 0.7;
}

/* Nav links */
nav ul {
    list-style: none;
    display: flex;
    gap: 24px;
}

nav ul a {
    text-decoration: none;
    color: #5f6368;
    font-size: 14px;
}

nav ul a:hover {
    color: #1a73e8;
}

/* Sections */
section {
    max-width: 1000px;
    margin: auto;
    padding: 120px 24px 80px;
    text-align: center;
}

#home {
    padding-top: 160px;
}

h2 {
    font-size: 34px;
    font-weight: 500;
    margin-bottom: 16px;
}

p {
    font-size: 16px;
    color: #5f6368;
    max-width: 700px;
    margin: auto auto 32px;
}

/* Button */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: 6px;
    background: #1a73e8;
    color: #fff;
    font-size: 14px;
    text-decoration: none;
    transition: box-shadow 0.2s, background 0.2s;
}

.btn:hover {
    background: #185abc;
    box-shadow: 0 2px 6px rgba(0,0,0,.2);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.feature {
    padding: 28px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
    background: #fff;
    text-align: left;
    transition: box-shadow 0.2s;
}

.feature:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
}

.feature i {
    font-size: 22px;
    color: #1a73e8;
    margin-bottom: 14px;
}

.feature h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

/* Download section */
#download a {
    margin-top: 8px;
}

#download p a {
    color: #1a73e8;
    text-decoration: none;
}

/* Footer */
footer {
    border-top: 1px solid #e0e0e0;
    padding: 24px;
    text-align: center;
    font-size: 14px;
    color: #70757a;
}

.social-icons {
    margin-top: 12px;
}

.social-icons a {
    margin: 0 8px;
    color: #70757a;
    font-size: 18px;
}

.social-icons a:hover {
    color: #1a73e8;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    h2 {
        font-size: 28px;
    }
}