/*-----------------------------------*\
  #CUSTOM PROPERTY
\*-----------------------------------*/

:root {

    /**
    * colors
    */
    --color-bg: #FAF9F7;
    --color-text: #1A1A1A;
    --color-accent: #90D8B2;
    --color-white: #ffffff;

    /**
    * typography
    */
    --ff-open-sans: 'Open Sans';
    --ff-arimo: 'Arimo';
    --fs-x-large: 4rem;
    --fs-large: 2rem;
    --fs-default: 1.2rem;
    --fs-default-18: 18px;

    /**
    * icons
    */
    --width: 2rem;

}


html { 
  font-family: var(--ff-open-sans); 
  scroll-behavior: smooth;
  font-size: var(--fs-default-18);
}

body { background: var(--color-bg); }


/*-----------------------------------*\
  #NAVBAR
\*-----------------------------------*/
.navbar {
  display: flex;
  justify-content: space-between;
  padding: 1rem 5rem;
  background-color: var(--color-bg);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-menu{
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-link{
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: var(--fs-default);
}

.nav-link:hover,
.nav-link:focus{
  cursor: pointer;
  background-color: var(--color-accent);
}

.nav-name {
    font-weight: bold;
}

.nav-list {
  list-style-type: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 600px) {
  .navbar {
    padding: 0.75rem 1.5rem;
  }
  .nav-list {
    gap: 1rem;
  }
  .nav-link {
    font-size: 1rem;
  }
}

/*-----------------------------------*\
  #LANDING PAGE
\*-----------------------------------*/
.landing-page {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
}

.landing-page-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90%;
  max-width: 1000px;
}

.landing-page-img-container {
  display: flex;
  align-items: center;
}

.triangle-img {
  margin: 0;
  padding: 0;
  position: relative;
}

.triangle-img img {
  filter: grayscale(100%);
  width: clamp(150px, 20vw, 250px);
  height: auto;
  transition: 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}



.triangle-img img:hover{
  filter: grayscale(0%);
transform: translateY(-8px);
}

/* Overlay text */

.triangle-img:hover .overlay-text{
  opacity: 0.7;
}

.overlay-text{
  position: absolute;
  top: 10%;
  left: 50%;
  opacity: 0;
  color: var(--color-text);
  font-size: clamp(0.85rem, 2vw, var(--fs-large));
  font-weight: bold;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.discover{
  transform: translate(-50%, 6px) rotate(-45deg);
}
.triangle-img:hover .discover {
  transform: translate(-50%, -4px) rotate(-45deg);
}
.define{
transform: translate(-50%, 6px) rotate(45deg);
}

.triangle-img:hover .define {
  transform: translate(-50%, -4px) rotate(45deg);
}

.develop{
transform: translate(-50%, 6px) rotate(-45deg);
}

.triangle-img:hover .develop {
  transform: translate(-50%, -4px) rotate(-45deg);
}

.deliver{
transform: translate(-50%, 6px) rotate(45deg);
}

.triangle-img:hover .deliver {
  transform: translate(-50%, -4px) rotate(45deg);
}

/* Staggered entrance animation */
.triangle-img {
  opacity: 0;
  animation: fadeSlideUp 0.6s ease forwards;
}
.triangle-img:nth-child(1) { animation-delay: 0.1s; }
.triangle-img:nth-child(2) { animation-delay: 0.25s; }
.triangle-img:nth-child(3) { animation-delay: 0.4s; }
.triangle-img:nth-child(4) { animation-delay: 0.55s; }

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Heading entrance */
.landing-page-heading {
  margin: 0;
  text-align: center;
  opacity: 0;
  animation: fadeSlideUp 0.6s ease 0.75s forwards;
}

.landing-page-heading h1 {
  font-size: clamp(2rem, 6vw, var(--fs-x-large));
  margin: 0;
  font-family: var(--ff-arimo);
}

/* Fallback: no :has() support */
@supports not selector(:has(a)) {
  .triangle-img img:hover {
    filter: grayscale(0%);
    transform: translateY(-10px) scale(1.04);
  }
}

@media (max-width: 600px) {
  .landing-page-img-container {
    gap: 0;
  }
  .landing-page-heading h1 {
    font-size: clamp(1.6rem, 8vw, 2.5rem);
  }
}

/*-----------------------------------*\
  #UX-CASE-STUDY
\*-----------------------------------*/
.container{
  display: flex;
  flex-direction: column;
  padding: 10% 0 15% 15%;
}

.container h2{
  padding-bottom: 2%;
  font-size: var(--fs-large);
}

.card{
  display: flex;
  align-items: center;
  transition: all 0.2s ease-in-out;
  border-radius: 15px;
  width: min(720px, 85vw);
}

.card + .card {
  margin-top: 1.5rem;
}

.card:hover{
  cursor: pointer;
  transform: scale(1.02);
  box-shadow: 1em 1em 1em #d8dae0b1, -0.75em -0.75em 1em #ffffff;
}

.card-text{
  font-size: var(--fs-default);
  padding: 3%;
}

.card img{
  width: clamp(120px, 30vw, 400px);
  aspect-ratio: auto;
  border-radius: 15px;
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .container {
    padding: 15% 0 15% 8%;
  }
  .card {
    flex-direction: column;
    align-items: flex-start;
    width: min(400px, 85vw);
  }
  .card img {
    width: 100%;
    border-radius: 15px 15px 0 0;
  }
  .card-text {
    padding: 5% 4%;
  }
}

/*-----------------------------------*\
  #ABOUT & CONTACT
\*-----------------------------------*/

.text{
  font-size: var(--fs-default);
  max-width: 600px;
}

.contact-container a{
  font-size: var(--fs-default);
  display: flex;
  align-items: center;
  color: var(--color-text);
  text-decoration: none;
  margin-bottom: 12px;
  padding-bottom: 12px;
  max-width: 100px;
}

.contact-container img{
  width: var(--width);
  padding-right: 12px;
}

.e-mail{
  display: flex;
  font-size: var(--fs-default);
  padding-bottom: 12px;
  margin-bottom: 12px;
  max-width: 380px;
  position: relative;
  align-items: center;
}

.e-mail:hover{
  cursor: pointer;
}

.e-mail img{
  width: var(--width);
  padding-right: 12px;
}

.e-mail .tooltip-text {
    visibility: hidden;
    background-color: black;
    color: var(--color-white);
    text-align: center;
    border-radius: 4px;
    padding: 5px 8px;
    position: absolute;
    bottom: 25%; 
    left: 155%;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    font-size: var(--fs-default);
  }

  .e-mail.show-tooltip .tooltip-text {
    visibility: visible;
    opacity: 1;
  }