:root {
  --primary: #69AFE0;
  --secondary: #56D5CE;
}

:focus-visible {
  outline: 2px solid turquoise;
  outline-offset: 3px;
  border-radius: 4px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 170px;
}

* {
  margin: 0;
  padding: 0;
  text-decoration: none;
  border: none;
  color: white;
}

body {
  background-color: rgb(26, 29, 29);
  font-family: 'Funnel Sans', system-ui, -apple-system, BlinkMacSystemFont, Helvetica, sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-style: normal;
  cursor: url(images/KhanExperience-Cursor.png), auto;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Funnel Display', 'Funnel Sans', system-ui, -apple-system, BlinkMacSystemFont, Helvetica, sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}

p {
  font-family: 'Funnel Sans', system-ui, -apple-system, BlinkMacSystemFont, Helvetica, sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}

button {
  border-radius: 12px;
  padding: 4px 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25);
  transition-timing-function: ease;
  transition-duration: 0.2s;
}
button:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}
button:active {
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.primary {
  color: var(--primary);
}

.secondary {
  color: var(--secondary);
}

.background-image {
  position: fixed;
  inset: 0;
  height: 100vh;
  width: 100vw;

  background-image: url("/images/Portfolio-Hero-Section-Gokhan.webp");
  background-repeat: no-repeat;
  background-position: bottom right;
  background-size: cover;

  z-index: -2;
  pointer-events: none;

  filter: blur(0px);
}

.background-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  z-index: -1;
  pointer-events: none;
}

.background-overlay-about {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

@media (max-width: 768px) {
  .background-overlay-about {
    opacity: 1;
  }
}

nav {
  background: linear-gradient(rgba(0, 0, 0, 0.969), rgba(0, 0, 0, 0));
  position: fixed;
  font-family: 'Funnel Display';
  font-size: 1.3em;
  width: 100%;
  z-index: 20;
}

.nav-blur-bar {
  position: fixed;
  width: 100%;
  height: 190px;
  z-index: 19;
  pointer-events: none;
  
  /* Sanfter Blur-Übergang mit Mask */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  
  mask-image: linear-gradient(
    to bottom,
    black 0%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    to bottom,
    black 0%,
    black 65%,
    transparent 100%
  );
}

.nav-limit {
  position: relative;
  max-width: 1200px;
  margin-inline: auto;
}

.nav-structure {
  display: flex;
  justify-content: space-between;
  padding: 40px 20px;
  list-style-type: none;
}

.nav-structure a {
  color: white;
}

.nav-structure a:hover {
  color: turquoise;
}

.nav-structure a:active {
  color: teal;
}

.nav-elements {
  display: flex;
  flex-direction: row;
  align-items: center;
  font-size: 0.85em;
  gap: 50px;
}

@media (max-width: 550px) {
  .nav-elements {
    display: none;
  }
  
  .nav-elements.open {
    display: flex;
    flex-direction: row;
    justify-content: center;
    margin-top: 50px;
    gap: 30px;
    font-size: 0.65em;
  }
}

.burger-menu {
  display: flex;
  justify-content: center;
  align-items: center;
  stroke: white;
  stroke-width: 2;
  font-size: 0.85em;
}

.burger-menu:hover {
  stroke: turquoise;
}

.burger-menu:active {
  stroke: teal;
}

.burger-menu svg {
  transition: transform 0.3s ease;
}

.burger-menu.open svg {
  transform: rotate(-90deg);
}

@media (min-width: 551px) {
.burger-menu {
  display:none
}
}

.logo img {
  max-width: 120px;
}

@media (max-width: 551px) { 
.logo img {
  max-width: 90px;
}
}

.hero {
  position: relative;
  height: 100vh;
  max-width: 1200px;
  margin-inline: auto;
  z-index: -1;
}

.hero-text {
  padding-top: 300px;
  padding-left: 120px;
  width: 600px;
  position: fixed;
  opacity: 1;
  filter: blur(0px);

  will-change: opacity, filter;
  pointer-events: none;
}

.hero-text h1 {
  font-size: 2.7em;
}

.hero-text h4 {
  margin-top: 12px;
  line-height: 1.3em;
  font-family: 'Funnel Sans', system-ui, -apple-system, BlinkMacSystemFont, Helvetica, sans-serif;
  font-size: 1.25em;
  font-weight: 100;
}

.hero-text h1,
.hero-text h4 {
  opacity: 0;
  filter: blur(20px);
  transition: opacity 1.2s ease, filter 1.2s ease;
}

.hero-text.loaded h1 {
  opacity: 1;
  filter: blur(0);
}

.hero-text.loaded h4 {
  opacity: 1;
  filter: blur(0);
  transition-delay: 0.3s;
}

/* Step 1: h1 sichtbar */
.hero-text.is-visible {
  opacity: 1;
  filter: blur(0);
}

.hero-text.is-visible h1 {
  opacity: 1;
  filter: blur(0);
}

/* Step 2: h4 sichtbar (verzögert) */
.hero-text.is-visible h4 {
  opacity: 1;
  filter: blur(0);
  transition-delay: 0.25s;
}

/* Ausblend-Zustand */
.hero-text.is-exiting {
  opacity: 0;
  filter: blur(16px);
}

/* Tablet Size */
@media (max-width: 768px) {
  .hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

.hero-text {
  padding-top: 220px;
  padding-left: 0px;
  position: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-text h1 {
  font-size: 1.7em;
}

.hero-text h4 {
  margin-top: 8px;
  line-height: 1.3em;
  font-size: 1.1em;
}
}
/* End of Tablet Size */

.portfolio {
margin-bottom: 100px;
}

.centered {
  display: flex;
  justify-content: center;
}

.centered-category {
  display: flex;
  justify-content: center;
}

.spin-card {
  display: flex;
  justify-content: center;
  position: relative;
  width: 320px;
  height: 80px;
  border-radius: 100px;
  overflow: hidden;
  background: #0f1111;
}

.spin-card-category {
  display: flex;
  justify-content: center;
  position: relative;
  margin-top: 20px;
  width: 320px;
  height: 80px;
  border-radius: 100px;
  overflow: hidden;
  background: #0f1111;
}

/* spinning gradient layer */
.spin-card::before {
  content: "";
  position: absolute;

  /* tighter overscan for pills */
  width: 160%;
  height: 400%;
  top: -150%;
  left: -30%;

  background: conic-gradient(#00ffd5, #00aaff, #7a5cff, #00ffd5);

  animation: spin 1.5s linear infinite;
}

.spin-card-category::before {
  content: "";
  position: absolute;

  /* tighter overscan for pills */
  width: 160%;
  height: 400%;
  top: -150%;
  left: -30%;

  background: conic-gradient(#5b5b5b, #393939, #959595, #5b5b5b);

  animation: spin 1.5s linear infinite;
}

/* inner mask */
.spin-card::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: #151515;
  border-radius: 97px;
  z-index: 1;
}

.spin-card-category::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: #5b5b5b;
  border-radius: 97px;
  z-index: 1;
}

/* content */
.spin-card__content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.spin-card__content-category {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

/* Tablet Size Section Banners */
@media (max-width: 768px) {
.centered h2 {
  font-size: 1.2em;
}

.centered-category h2 {
  font-size: 1.2em;
}

.spin-card {
  width: 280px;
  height: 60px;
}

.spin-card-category {
  margin-top: 20px;
  width: 280px;
  height: 60px;
}

/* spinning gradient layer */
.spin-card::before {
  /* tighter overscan for pills */
  width: 250%;
  height: 500%;
  top: -220%;
  left: -74%;
}

.spin-card-category::before {
  /* tighter overscan for pills */
  width: 250%;
  height: 500%;
  top: -220%;
  left: -74%;
}

/* inner mask */
.spin-card::after {
  inset: 2px;
  border-radius: 97px;
}

.spin-card-category::after {
  inset: 2px;
  border-radius: 97px;
}
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Portfolio Banner */

/* Zoom-Animation für Banner */


.graphic-block, .product-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  will-change: transform, filter;

  animation-name: zoom-tilt-in, blur-in;
  animation-duration: 900ms, 1s;
  animation-timing-function: ease-in-out, ease-in-out;
  animation-fill-mode: both, both;

  animation-timeline: view();
  animation-range: entry 0% cover 70%;
}

@keyframes zoom-tilt-in {
  0% {
    transform: scale(0.6) rotateX(-90deg);
  }

  60% {
    transform: scale(1.02) rotateX(6deg);
  }

  80% {
    transform: scale(1) rotateX(0deg);
  }
}

/* Blur-Animation für Banner */
@keyframes blur-in {
  0% { filter: blur(12px); }
  50% { filter: blur(0px); }
}

.product-wrapper, .graphic-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 130px;
}

.product-wrapper img, .graphic-wrapper img {
  margin-top: 40px;
  height: 400px;
  width: 600px;
  object-fit: cover;
  border-radius: 22px;
  transition: transform 0.2s ease-in-out;
}

:is(.product-wrapper img, .graphic-wrapper img):hover {
  transform: scale(1.01);
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.061);
  filter: brightness(1.07);
}

.product-wrapper h4, .graphic-wrapper h4 {
  text-align: center;
  font-size: 1.2em;
  margin-bottom: 20px;
}

@media (max-width: 750px) {
  .product-wrapper, .graphic-wrapper {
  margin-bottom: 30px;
}
  
  .product-wrapper img, .graphic-wrapper img {
  height: 500px;
  width: 500px;
}
}

@media (max-width: 550px) {
  .product-wrapper img, .graphic-wrapper img {
  height: 400px;
  width: 400px;
}
}

@media (max-width: 450px) {
  .product-wrapper img, .graphic-wrapper img {
  height: 300px;
  width: 300px;
}
}

@media (max-width: 350px) {
  .product-wrapper img, .graphic-wrapper img {
  height: 250px;
  width: 250px;
}
}



/* About-Me-Class */
.about-wrapper {
  max-width: 800px;
  margin-top: 60px;
  margin-bottom: 100px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.about-block {
  /* background-color: #fff; */
  opacity: 0;
  max-width: 60%;
  transform: translate3d(0, 80px, 0);
  backface-visibility: hidden;
  filter: blur(12px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease,
    filter 0.8s ease;
  will-change: opacity, transform, filter;
}

.about-block.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

.about-block h3 {
  font-size: 32px;
  margin-bottom: 16px;
}

.about-block p {
  line-height: 1.6;
  opacity: 0.9;
}

@media (max-width: 768px) {
.about-wrapper {
  width: 100%;
  margin-top: 30px;
  margin-bottom: 80px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}

.about-block {
  max-width: 70%;
}

.about-block h3 {
font-size: 1.5em;
}

.about-block p {
font-size: 0.9em;  
}
}

@media (max-width: 600px) {
.about-block {
  max-width: 80%;
}
}
/* Ende About-Me-Class */


.contact {
  height: 70vh;
}

footer {
  background-color: rgba(0, 0, 0, 0.558);
  height: 120px;
}