:root {
    /*------------------ colors --------------*/
    --primary-color: #1C6A5D;
    --primary-color-dark: #1B685E;
    --primary-color-darker: #18554d;
    --primary-color-soft: #E9FFFD;
    --secondary-color: #000000;
    --secondary-color-soft: #131718;
    --background-color: #faf8f7;
    /*------------------ Fonts --------------*/
    /* --primary-ff: "DM Sans", sans-serif; */
    --primary-ff: "Plus Jakarta Sans", sans-serif;
    --primary-fz: 62.5%;
}

*,
::after,
::before {
    margin: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--primary-fz);
    font-family: var(--primary-ff);
    scroll-behavior: smooth;
}

body{
    font-size: clamp(1.4rem, 1.6vw, 1.8rem);
    line-height: 1.5;
}

/* Contiene al scrolling text y al nav bar, permite que se queden "pegados" en la pantalla */
header{
    position: relative;
}

.underline-title {
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--primary-color-soft), var(--primary-color), var(--primary-color-soft));
    border: none;
    border-radius: 1px;
    margin: 0 auto 2rem auto;
    max-width: 95%; /* Deja un pequeño margen lateral */
}

.webpage-part{
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: start;
    gap: 1.5rem;
    padding-top: 18px;
}

/* Estado inicial oculto */
.reveal {
    opacity: 0;
    transform: translateY(50px); /* empieza un poco abajo */
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Estado cuando aparece */
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}