Yn nhyb Cardiff, y prynhawn oedd yn brysur yn yr swyddfa.

In the heart of Cardiff, the afternoon was busy in the office.

Rhiannon, rheolwr prosiectau, oedd yno'n trefnu ei phapurau, yn edrych drwy'r ffenest mawr.

Rhiannon, the project manager, was there organizing her papers, looking through the big window.

Roedd yr haul yn bwrw golau euraidd dros y ddinas isod.

The sun cast a golden light over the city below.

Ond roedd Rhiannon yn llawn emosiynau cymysg wrth y bwrdd.

But Rhiannon was full of mixed emotions at the table.

Roedd prosiect newydd wedi’i lansio.

A new project had been launched.

Roedd yn gyfle mawr i Rhiannon ddangos ei sgiliau.

It was a big opportunity for Rhiannon to showcase her skills.

Ond yn sydyn, daeth Gareth, arbenigwr TG newydd o adran arall, i'r swyddfa.

But suddenly, Gareth, a new IT expert from another department, came into the office.

Yn llawen a chyfeillgar, roedd ei wyneb yn llachar fel haul y haf.

Cheerful and friendly, his face was bright like the summer sun.

Roedd y ddau i weithio gyda'i gilydd ar y prosiect hwn.

The two of them were to work together on this project.

Roedd Rhiannon yn chwilfrydig amdano.

Rhiannon was curious about him.

Roedd hi'n gwybod nad oedd hi bob amser mor agored i gysylltiadau personol.

She knew she wasn't always so open to personal connections.

Ond roedd rhywbeth am Gareth a ddenodd ei sylw.

But there was something about Gareth that caught her attention.

Yna, penderfynodd Rhiannon gymryd y cam cyntaf.

Then, Rhiannon decided to take the first step.

Gwahoddodd Gareth am baned o goffi.

She invited Gareth for a coffee.

"Ti'n dod o’r swyddfa newydd, Gareth.

"You're from the new office, Gareth.

Sut wyt ti'n ffeindio pethau yma?

How are you finding things here?"

" gofynnodd Rhiannon.

asked Rhiannon.

Mae Gareth yn gwenu.

Gareth smiled.

"Mae popeth yn dda, ond mae'n dipyn o newid.

"Everything is good, but it's quite a change.

Dw i'n hoffi sŵn yr ornest yma.

I like the buzz here."

"Un prynhawn, digwyddodd diwrnod o gweithgarwch ehangu tîm.

One afternoon, there was a team expansion activity day.

Roedd angen iddynt gydweithio'n agos ar her.

They needed to work closely on a challenge.

Roedd Rhiannon a Gareth mewn tîm gyda’i gilydd.

Rhiannon and Gareth were in a team together.

Roedd y gweithgaredd yn her eu cyflwyno tendr syniadau creadigol ar gyfer y prosiect newydd.

The activity involved presenting creative ideas for the new project.

Heb sylweddoli, roeddent yn cydweithio’n ddiymdrech.

Without realizing it, they worked effortlessly together.

Roedd ffraction rhwng ei chynllun strwythuredig hi a'i agwedd anwadal ef.

There was a balance between her structured plan and his spontaneous approach.

Fe wnaethant gynllunio, creu, ac arddangos eu syniadau.

They planned, created, and showcased their ideas.

Yn unswydd, fe wnaeth y tîm ennill clod.

Remarkably, the team earned praise.

Roedd eu cemeg naturiol amlwg.

Their natural chemistry was obvious.

Roeddent fel pe baent wedi bod yn cydweithio am flynyddoedd.

They seemed like they had been working together for years.

Wrth iddyn nhw fynd am dro byr i’r parc, siaradodd Gareth.

As they took a short walk to the park, Gareth spoke.

"Rhiannon, mae'n anodd dod o hyd, ond mae'n teimlo fel y dylen ni weithio gyda’n gilydd am byth.

"Rhiannon, it's hard to find, but it feels like we should work together forever."

"Rhiannon gwenu.

Rhiannon smiled.

"Mae'n sicr bod rhywbeth arbennig rhyngom.

"There's certainly something special between us."

"Fe wnaethon nhw barhau i siarad, gan sylweddoli faint oedd ganddynt yn gyffredin.

They continued to talk, realizing how much they had in common.

Wrth i’r haul fachlud dros Gaerdydd, cytunodd Rhiannon a Gareth y byddent yn treulio mwy o amser gyda’i gilydd y tu allan i’r gwaith.

As the sun set over Cardiff, Rhiannon and Gareth agreed they would spend more time together outside of work.

Gyda phob man o’r ddinas yn gwasgaru â phrydferthwch yr haf, roedd Rhiannon yn teimlo bod y cydbwysedd rhwng gwaith a bywyd yn bosibl.

With every part of the city radiating with the beauty of summer, Rhiannon felt that the balance between work and life was possible.

Roedd hi'n llawn hyder yn y cysylltiad newydd hwn.

She was full of confidence in this new connection.

Gyda Gareth, roedd cymdeithas ac ymrwymiad yn bosibl.

With Gareth, companionship and commitment were possible.

Roedd y ddau yn gwybod bod gan y cyfarfyddiad hwn yn arwain at barhau i'w stori // eu stori.

Both of them knew that this encounter was a prelude to continuing their story.

A dyna felly, drwy haf Cardiff, dechreuodd stori newydd ar gyfer Rhiannon a Gareth.

And so, through the summer of Cardiff, a new story began for Rhiannon and Gareth.

Roedd eu cyfathrebu yn arwain at ffyniant gyda’i gilydd.

Their communication led to thriving together.