/* =========================
   General
========================= */

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

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: #f3f7fb;
    color: #253341;
    line-height: 1.8;
}


/* =========================
   Header
========================= */

.header {
    background: linear-gradient(135deg, #021b35, #004f95);
    color: white;
    padding: 50px 10%;
    position: relative;
    box-shadow: 0 8px 25px rgba(0,0,0,0.25);
}


.header-link {
    display: inline-block;
    color: #b8dcff;
    text-decoration: none;
    font-weight: 600;
    margin-bottom: 25px;
    transition: 0.3s;
}

.header-link:hover {
    color: white;
    transform: translateX(-5px);
}


#header_content-h1 {
    font-size: 2.8rem;
    font-weight: 700;
    max-width: 800px;
}


/* =========================
   Main Content
========================= */

main {
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 60px 20px;
}


section {
    max-width: 1000px;
    background: white;
    padding: 50px 60px;
    border-radius: 20px;
    box-shadow:
        0 10px 35px rgba(0,0,0,0.08);
}


/* =========================
   Titles
========================= */

h2 {
    color: #003f78;
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 15px;
    position: relative;
    padding-left: 18px;
}


h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 24px;
    border-radius: 5px;
    background: #0088ff;
}


/* =========================
   Paragraphs
========================= */

p {
    font-size: 1rem;
    color: #44556b;
    margin-bottom: 16px;
}


/* =========================
   Links inside text
========================= */

p a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 600;
}

p a:hover {
    text-decoration: underline;
}


/* =========================
   Contact section
========================= */

section p:last-of-type {
    background: #eef6ff;
    border-left: 5px solid #0078ff;
    padding: 18px;
    border-radius: 10px;
}


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

footer {
    background: #021b35;
    color: #c5d8eb;
    text-align: center;
    padding: 25px;
    font-size: 0.9rem;
    margin-top: 40px;
}


/* =========================
   Scrollbar (Chrome)
========================= */

::-webkit-scrollbar {
    width: 10px;
}


::-webkit-scrollbar-track {
    background: #dce8f5;
}


::-webkit-scrollbar-thumb {
    background: #0065c9;
    border-radius: 10px;
}


::-webkit-scrollbar-thumb:hover {
    background: #00498f;
}


/* =========================
   Responsive Tablet
========================= */

@media (max-width: 900px) {

    .header {
        padding: 40px 8%;
    }


    #header_content-h1 {
        font-size: 2.2rem;
    }


    section {
        padding: 40px;
    }

}


/* =========================
   Responsive Mobile
========================= */

@media (max-width: 600px) {

    .header {
        padding: 35px 25px;
    }


    .header-link {
        font-size: 0.9rem;
    }


    #header_content-h1 {
        font-size: 1.7rem;
        line-height: 1.3;
    }


    main {
        padding: 25px 15px;
    }


    section {
        padding: 25px 22px;
        border-radius: 15px;
    }


    h2 {
        font-size: 1.25rem;
        margin-top: 30px;
    }


    p {
        font-size: 0.95rem;
    }


    footer {
        font-size: 0.8rem;
        padding: 20px;
    }

}