/* ===== Base ===== */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    margin: 0;
    color: #222;
    background: #f9f9f9;
    line-height: 1.6;
    font-size: 16px;
}

.container {
    width: 90%;
    max-width: 1000px;
    margin: auto;
}

/* ===== Header & Navigation ===== */

header {
    background: #ffffff;
    border-bottom: 1px solid #ddd;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-weight: 700;
    font-size: 20px;
    color: #111;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: #222;
    font-size: 15px;
    font-weight: 500;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s ease, border-bottom 0.2s ease;
}

nav a:hover {
    color: #2b6cb0;
    border-bottom: 2px solid #2b6cb0;
}

/* Active menu item */
nav a.active {
    color: #2b6cb0;
    border-bottom: 2px solid #2b6cb0;
}

/* ===== Typography ===== */

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.3;
    margin-top: 0;
    color: #111;
}

h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

h2 {
    font-size: 26px;
    margin-bottom: 16px;
}

h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

ul {
    margin-bottom: 20px;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

/* ===== Hero Section ===== */

.hero {
    padding: 60px 0;
}

.hero h1 {
    font-size: 42px;
}

.hero p {
    font-size: 18px;
    max-width: 700px;
}

/* ===== Buttons ===== */

.button {
    display: inline-block;
    padding: 10px 20px;
    background: #2b6cb0;
    color: #ffffff;
    text-decoration: none;
    margin-top: 20px;
    border-radius: 2px;
    transition: background 0.2s ease;
}

.button:hover {
    background: #234e80;
}

/* ===== Footer ===== */

footer {
    background: #ffffff;
    border-top: 1px solid #ddd;
    margin-top: 60px;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
    color: #555;
}
/* ===== Photo ===== */

.about-photo {
    width: 180px;
    border-radius: 50%;
    margin-bottom: 20px;
}