@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap');

:root {
    --primary-blue: rgb(10, 110, 210);
    --primary-blue-dark: rgb(8, 88, 168);
    --heading-dark: rgb(1, 2, 5);
    --body-gray: rgb(63, 68, 75);
    --bg-light: rgb(243, 243, 243);
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
    --container-width: 1200px;
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--body-gray);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    color: var(--heading-dark);
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

section {
    padding: 80px 20px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
}

/* Header & Navigation */
header {
    background: var(--white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

.logo img {
    height: 48px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul li a {
    font-weight: 600;
    font-size: 15px;
}

nav ul li a:hover, nav ul li a.active {
    color: var(--primary-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: var(--primary-blue-dark);
    border-color: var(--primary-blue-dark);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

/* Cards */
.card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

/* Footer */
footer {
    background: var(--heading-dark);
    color: var(--white);
    padding: 60px 20px;
}

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

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    font-size: 20px;
}

/* Utility */
.text-center { text-align: center; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }