@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap");

/* ================= ROOT ================= */

:root {
    --dark: #011425;
    --light: #64a6ba;
    --white: #ffffff;
    --gradient: linear-gradient(135deg,
        #010f1c 10%,
        #041f2d 40%,
        #0b3a4a 70%,
        #164b5c 100%);
}

/* ================= RESET ================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Montserrat", sans-serif;
}

body {
    background: var(--light);
    color: var(--dark);
}

/* ================= NAVBAR ================= */

header {
    background: var(--gradient);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    flex-wrap: wrap;
}

.logo {
    color: var(--white);
    font-weight: 600;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    opacity: 0.7;
}

/* ================= PAGE HEADER ================= */

.page-header {
    background: var(--gradient);
    text-align: center;
    padding: 50px 20px;
    color: var(--white);
}

.page-header h1 {
    font-size: 2.5rem;
}

.page-header p {
    margin-top: 10px;
}

/* ================= SKILLS SECTION ================= */

.skills-section {
    width: 100%;
    padding: 50px 5%;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* ================= ROW ================= */

.row {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    width: 100%;
}

/* ================= BOX ================= */

.box {
    flex: 1 1 300px;
    padding: 30px;
    border-radius: 15px;
    background: linear-gradient(135deg, #6dd5ed, #2193b0);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: 0.3s ease;
}

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

.box h2 {
    margin-bottom: 15px;
}

.box p {
    line-height: 1.6;
}

/* ================= FOOTER ================= */

.footer {
    background: var(--gradient);
    color: var(--white);
    text-align: center;
    padding: 20px;
    margin-top: 40px;
}

/* ================= RESPONSIVE ================= */

/* Tablet */
@media (max-width: 992px) {
    .page-header h1 {
        font-size: 2rem;
    }
}

/* Mobile */
@media (max-width: 600px) {

    .nav {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .nav-links {
        justify-content: center;
    }

    .row {
        flex-direction: column;
    }

    .box {
        width: 100%;
    }

    .skills-section {
        padding: 30px 20px;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }
}