@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,700;1,300&display=swap');

/********************** variables **********************/
:root {

  /* color variables */
  --off-white: #F8FDFE;
  --grey-light: #E3E3E4;
  --accent: #8CE8D3;
  --accent-hover: #26BC98;
  --grey-dark: #a0a6ad;
  --grey-v-dark: #242F3C;
  --off-black: #0B0F13;

  /* font variables */

  --ff-fancy: "azonixregular", Arial, sans-serif;
  --ff-main: "Plus Jakarta Sans", sans-serif;

  --fw-thin: 300;
  --fw-regular: 400;
  --fw-bold: 700;
}

* {
  font-optical-sizing: auto;
}

/********************** styles **********************/

html {
  font-family: var(--ff-main);
  font-weight: var(--fw-regular);
  font-size: 16px;
  text-size-adjust: auto;
  color: var(--off-white);
  background-color: var(--grey-light);
  scroll-behavior: smooth;
  scroll-snap-stop: always;
  scroll-snap-type: y mandatory;
  overflow-x: hidden;
}


/********************** typography **********************/
/* type sizes using golden ratio */
/* font-size: 11.089rem;
   font-size: 6.854rem;
   font-size: 4.236rem;
   font-size: 2.618rem;
   font-size: 1rem; */

h1 {
  font-family: var(--ff-fancy);
  font-size: 4.236rem;
  text-align: center;
  padding: 1rem 0;
}

h2,
h3,
p {
  letter-spacing: 2px;
}

h2 {
  font-family: var(--ff-fancy);
  font-size: 4.236rem;
  line-height: 7rem;
}

h3 {
  color: var(--accent-hover);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  margin: 2rem 0;
}

p {
  font-size: 1rem;
  font-weight: var(--fw-thin);

}

/* additional typography styles */
strong {
  font-weight: var(--fw-bold);
}

.accent {
  letter-spacing: 5px;
  font-size: 0.7rem;
  text-align: center;
}

/********************** animations **********************/

.focus-in-contract {
  -webkit-animation: focus-in-contract 1s cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.2s both;
  animation: focus-in-contract 1s cubic-bezier(0.250, 0.460, 0.450, 0.940) 0.2s both;
}

/* ----------------------------------------
 * animation focus-in-contract
 * ---------------------------------------- */

@-webkit-keyframes focus-in-contract {
  0% {
    letter-spacing: 1em;
    -webkit-filter: blur(12px);
    filter: blur(12px);
    opacity: 0;
  }

  100% {
    -webkit-filter: blur(0px);
    filter: blur(0px);
    opacity: 1;
  }
}

@keyframes focus-in-contract {
  0% {
    letter-spacing: 1em;
    -webkit-filter: blur(12px);
    filter: blur(12px);
    opacity: 0;
  }

  100% {
    -webkit-filter: blur(0px);
    filter: blur(0px);
    opacity: 1;
  }
}

/* ----------------------------------------
 * animation scale-in-center
 * ---------------------------------------- */

/* delayed a bit */

.scale-in-center-d2 {
  -webkit-animation: scale-in-center 0.2s cubic-bezier(0.250, 0.460, 0.450, 0.940) 2s both;
  animation: scale-in-center 0.2s cubic-bezier(0.250, 0.460, 0.450, 0.940) 2s both;
}

/* delayed more */

.scale-in-center-d3 {
  -webkit-animation: scale-in-center 0.2s cubic-bezier(0.250, 0.460, 0.450, 0.940) 2.2s both;
  animation: scale-in-center 0.2s cubic-bezier(0.250, 0.460, 0.450, 0.940) 2.2s both;
}

/* delayed the most */

.scale-in-center-d4 {
  -webkit-animation: scale-in-center 0.2s cubic-bezier(0.250, 0.460, 0.450, 0.940) 2.4s both;
  animation: scale-in-center 0.2s cubic-bezier(0.250, 0.460, 0.450, 0.940) 2.4s both;
}

@-webkit-keyframes scale-in-center {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
    opacity: 1;
  }

  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes scale-in-center {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
    opacity: 1;
  }

  100% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
}


/* ______________________________________________________________________ .on-scroll animation ADDDDDDD
*/

/********************** buttons **********************/

button {
  padding: 1.5rem;
  display: block;
  margin: 2rem auto;
  width: 15rem;
  font-size: 1rem;
  letter-spacing: 3px;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  text-align: center;
  background-color: var(--accent);
  color: var(--off-black);
  border: none;
  border-radius: 99px;
  transition: all ease-in-out 100ms;
}

button:hover,
button:focus,
button:active {
  background-color: var(--accent-hover);
  cursor: pointer;
  color: var(--off-white);
  -webkit-box-shadow: 15px 15px 21px -16px rgba(36, 47, 60, 1);
  -moz-box-shadow: 15px 15px 21px -16px rgba(36, 47, 60, 1);
  box-shadow: 15px 15px 21px -16px rgba(36, 47, 60, 1);
}

button:active {
  -webkit-transform: translate(0px, 4px);
  -moz-transform: translate(0px, 4px);
  -ms-transform: translate(0px, 4px);
  -o-transform: translate(0px, 4px);
  transform: translate(0px, 4px);
}

/********************** images **********************/

.image-container {
  overflow: hidden;
}

.image-container img {
  display: block;
}

img {
  overflow: hidden;
}

img:hover {
  transform: scale(1.2);
  transition: all 300ms ease-in;
}


.image-container:not(:hover) {
  transition: all 300ms ease-out;
}

/********************** nav bar **********************/

header {
  position: fixed;
  top: 0;
  width: 100vw;
  z-index: 1;
}

header .content {
  background-color: var(--off-black);
  -webkit-box-shadow: 0px 0px 24px -4px rgba(36, 47, 60, 1);
  -moz-box-shadow: 0px 0px 24px -4px rgba(36, 47, 60, 1);
  box-shadow: 0px 0px 24px -4px rgba(36, 47, 60, 1);
}

header nav ul {
  display: flex;
  /* change this */
}

nav li {
  padding: 0 1.2rem;
  height: 3.5rem;
  display: flex;
  flex-grow: 1;
  justify-content: center;
  align-items: center;
}

nav ul li:hover {
  background-color: var(--accent);
  color: var(--off-black);
}

nav a {
  font-size: 1rem;
  color: var(--off-white);
}

/* try this from Carlos
ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2em;
  padding: 0.5em 2em;
}

ul li {
  flex: 0 1 auto; 
}

li:last-child {
 
  margin-left: auto; push it to right side
  margin-right: 2em;
} 

If you make you a elements inline-block you can change their width or just use a flex-basis you like, starting point.

*/

/********************** sections **********************/

section {
  -webkit-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  -moz-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
}

/* hero section */
hgroup {
  width: 80vw;
  margin: auto;
}

hgroup p {
  margin: 2rem auto;
  max-width: 40ch;
}

p:nth-last-child(2) {
  margin-bottom: 3rem
}

#sign-up-section {
  width: 100vw;
  height: 100vh;
  position: relative;
  top: 3.5rem;
  background-image:
    linear-gradient(180deg, rgba(248, 253, 254, 0) 0%, rgba(11, 15, 19, 1) 100%),
    url('../images/Hero-min.png');
  background-position: right;
  background-repeat: no-repeat;
  background-size: cover;
  display: grid;
  justify-content: center;
  align-content: center;
}

heading>h1 {
  text-align: center;
}

hgroup>button {
  display: block;
  margin: auto;
}

/* Features Section */

#features-section {
  display: flex;
  flex-direction: column;
  margin-top: 3.5rem;
  background-color: var(--off-black);
}


.feature .image-container {
  flex-shrink: 1;
  align-items: center;
  justify-content: center;

}

.feature .image-container img {
  width: 100%;
}

.feature .content {
  padding: 3rem;
  text-align: center;
}

/* Filters Section */

#filters-section {
  color: var(--off-black);
  background-color: var(--grey-light);
}

#filters-section article>h3 {
  color: var(--accent-hover);
}

#filters-section .content {
  text-align: center;
}


#filters-section .images-container {
  display: flex;
}

#filters-section .images-container img {
  width: 100%;
}

@media only screen and (max-width: 760px) {
  #filters-section {
    padding: 1.5rem 0 0 0;
  }

  #filters-section .content {
    margin-bottom: 1rem;
  }

  #filters-section .content h2 {
    padding-bottom: .625rem;
    font-size: 1.125rem;
    line-height: 1.3;
    font-weight: normal;
  }

  #filters-section .content h3 {
    font-size: .875rem;
    line-height: 1.4;
  }

  #filters-section .images-container {
    padding: 0;
  }

  #filters-section .extra {
    display: none;
  }
}

/* Quotes Section */

/* section container */
#quotes-section {
  background-color: var(--accent-hover);
  padding: 5rem;
  display: grid;
  grid-template-columns: 1fr 10fr 1fr;
  gap: 2rem;
  margin: auto;
  align-items: center;
  justify-items: center;
}

#quotation-background {
  position: absolute;
  z-index: -1;
  height: 20%;
  opacity: 0.9;
  transform: translate(90px, 90px);
}

/* text element */
blockquote {
  font-size: 1.5rem;
  line-height: 1.1;
  font-style: italic;
  color: var(--dark-brown);
  text-align: center;
}

/* quotation mark */
#quotation-icon {
  max-height: 4rem;
  align-self: start;
  justify-self: end;
}

/* logo */
#photo-society-logo {
  align-self: end;
  justify-self: end;
}

/*
@media only screen and (max-width: 760px) {
  #quotes-section content {
    padding: 1.875rem .625rem;
  }

  #quotes-section .quote {
    font-size: 1.5rem;
    line-height: 1.4;
  }

  #quotes-section quote-citation {
    display: block;
    padding-top: 1rem;
    margin: auto;
  }
}
*/

/* FAQ section */

#FAQ {
  background-color: var(--off-black);
  -webkit-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  -moz-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
}


/* Style the buttons that are used to open and close the accordion panel */

.accordionTitle {
  background-color: var(--grey-light);
  color: var(--off-black);
  width: 100%;
  border-radius: unset;
  cursor: pointer;
  text-align: left;
  display: block;
  margin: auto;
}

.accordionTitle:hover {
  background-color: var(--grey-dark);
}

.accordionContent {

  transition: max-height 0.2s ease-in;
  width: 80%;
  margin: auto;
}

.accordionContent p {
  padding: 2rem;
  line-height: 1.5rem;
  background-color: var(--off-black);
}

.accordionTitle+.accordionContent {
  display: none;
}

.accordionTitle.is-open+.accordionContent {
  display: block;
}

/* about us section */

#about {
  width: 100vw;
  background-image:
    linear-gradient(to bottom, rgba(136, 173, 215, 0), rgba(74, 74, 74, 0.9)),
    url('../images/pexels-alex-andrews-1983037.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  color: var(--off-black);
  -webkit-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  -moz-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
}


/* flex container */
.team-cards {
  display: flex;
  flex-direction: column;
  align-content: center;
  align-items: center;
  margin: auto;
}


.person-card {
  background-color: rgba(151, 151, 151, 0.5);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: 8px;
  padding: 3rem;
}

.person-card img {
  border-radius: 50%;
  width: 60%;
  max-width: 250px;
  height: auto;
  margin: auto;
}

.person-name {
  color: white;
  margin-top: 2rem;
  font-size: 2rem;
  font-family: inherit;
  text-align: center;
}

.person-card p {
  margin-top: 2rem;
  text-align: center;
}

.person-card h3 {
  text-align: left;
}


/* sign-up section */

#sign-up {
  background-color: var(--off-black);
  display: grid;
  justify-content: center;
  align-content: center;
  padding: 5rem;
}

.sr-only {
  display: none;
}

form {
  display: grid;
  justify-content: center;
  align-content: center;
  background-color: var(--grey-light);
  padding: 5rem;
  color: var(--off-black);
  border-radius: 16px;
}

fieldset {
  display: flex;
  flex-direction: column;
  align-items: center;
}

input {
  background-color: var(--grey-light);
  color: var(--grey-v-dark);
  padding: 1.5rem;
  border: solid 1px var(--grey-dark);
  border-radius: 999px;
  width: 100%;
}

form button {
  width: 100%;
}


/* Footer */

footer {
  background-color: var(--off-black);
  padding: 1.5rem 2rem;
  -webkit-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  -moz-box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
  box-shadow: 0px 0px 24px -4px rgba(227, 227, 228, 1);
}

footer .content {
  color: var(--off-white);
  display: flex;
  font-size: .75rem;
  padding-bottom: 1rem;
}

footer .copyright {
  flex-grow: 1;
}

footer p {
  color: var(--accent);
  text-align: center;
  padding: 1rem;
}

footer a:hover,
footer a:focus,
footer a:active {
  color: var(--accent-hover);
}

#GitHub-logo {
  height: 1rem;
}