/* ===================== */
/* Reset / Base */
/* ===================== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #1a1a1a;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

* {
    box-sizing: border-box;
}

/* ===================== */
/* Header */
/* ===================== */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo img {
    height: 45px;
    width: auto;
    max-width: 100%;
    transition: transform 0.2s ease-in-out;
}

.logo img:hover {
    transform: scale(1.05);
}

/* Nav */
nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

nav a {
    color: #555555;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.2s ease;
}

nav a:hover {
    color: #007aff;
}

/* Mobile nav toggle (hamburger) */
.menu-toggle {
    display: none;
    font-size: 1.8rem;
    color: #333;
    cursor: pointer;
    background: none;
    border: none;
    margin-left: auto;
}

/* ===================== */
/* Hero */
/* ===================== */
.hero {
    text-align: center;
    padding: 120px 20px;
    background-color: #f8f8f8;
    color: #1a1a1a;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero .btn {
    background-color: #007aff;
    color: #ffffff;
    padding: 14px 28px;
    margin: 10px;
    border-radius: 6px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.2s, box-shadow 0.2s;
    font-weight: 600;
}

.hero .btn:hover {
    background-color: #005fbc;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2);
}

.btn-alt {
    background-color: transparent;
    color: #007aff;
    border: 2px solid #007aff;
}

.btn-alt:hover {
    background-color: #007aff;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2);
}

/* ===================== */
/* Forms */
/* ===================== */
form {
    max-width: 500px;
    margin: 40px auto;
    display: flex;
    flex-direction: column;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

form input,
form textarea {
    margin-bottom: 20px;
    padding: 14px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    font-size: 1rem;
    transition: border-color 0.2s;
}

form input:focus,
form textarea:focus {
    outline: none;
    border-color: #007aff;
}

button {
    padding: 14px;
    background-color: #007aff;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.2s, box-shadow 0.2s;
}

button:hover {
    background-color: #005fbc;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.2);
}

/* ===================== */
/* Footer */
/* ===================== */
footer {
    background-color: #f8f8f8;
    color: #555555;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
    font-size: 0.9rem;
}

/* ===================== */
/* Responsive */
/* ===================== */
@media (max-width: 768px) {
    header {
        padding: 15px 20px;
    }

    nav {
        display: none;
        position: absolute;
        top: 75px;
        right: 0;
        width: 100%;
        background-color: #ffffff;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.05);
        padding: 10px 0;
    }

    nav.active {
        display: block;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
    }

    nav ul li {
        text-align: center;
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 80px 20px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}