/* GENERAL */

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600&display=swap");

* {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", sans-serif;
}

html {
  scroll-behavior: smooth;
}

p {
  color: rgb(85, 85, 85);
}

/* TRANSITION */

a,
.btn {
  transition: all 300ms ease;
}

/* DESKTOP NAV */

nav,
.nav-links {
  display: flex;
}

nav {
  justify-content: space-around;
  align-items: center;
  height: 17vh;
}

.nav-links {
  gap: 2rem;
  list-style: none;
  font-size: 1.5rem;
}

a {
  color: black;
  text-decoration: none;
  text-decoration-color: white;
}

a:hover {
  color: grey;
  text-decoration: underline;
  text-underline-offset: 1rem;
  text-decoration-color: rgb(181, 181, 181);
}

.logo {
  font-size: 2rem;
}

.logo:hover {
  cursor: default;
}

/* HAMBURGER MENU */

#hamburger-nav {
  display: none;
}

.hamburger-menu {
  position: relative;
  display: inline-block;
}

.hamburger-icon {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 24px;
  width: 30px;
  cursor: pointer;
}

.hamburger-icon span {
  width: 100%;
  height: 2px;
  background-color: black;
  transition: all 0.3 ease-in-out;
}

.menu-links {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: white;
  width: fit-content;
  max-height: 0;
  z-index: 1000; 
  overflow: hidden;
  transform: all 0.3 ease-in-out;
}

.menu-links a {
  display: block;
  padding: 10px;
  text-align: center;
  font-size: 1.5rem;
  color: black;
  text-decoration: none;
  transition: all 0.3 ease-in-out;
}

.menu-links li {
  list-style: none;
}

.menu-links.open {
  max-height: 300px;
}

.hamburger-icon.open span:first-child {
  transform: rotate(45deg) translate(10px, 5px);
}

.hamburger-icon.open span:nth-child(2) {
  opacity: 0;
}

.hamburger-icon.open span:last-child {
  transform: rotate(-45deg) translate(10px, -5px);
}

.hamburger-icon span:first-child {
  transform: none;
}

.hamburger-icon span:first-child {
  opacity: none;
}

.hamburger-icon span:first-child {
  transform: none;
}

/* SECTIONS */

section {
  padding-top: 4vh;
  height: 96vh;
  margin: 0 10rem;
  box-sizing: border-box;
  min-height: fit-content;
}

.section-container {
  display: flex;
}

/* PROFILE SECTIONS */

#profile {
  display: flex;
  justify-content: center;
  gap: 5rem;
  height: 80vh;
}

.section__pic-container {
  display: flex;
  height: 400px;
  width: 400px;
  margin: auto 0;
  box-shadow: 2px;
  position: relative;
}

.circle-image {
  border-radius: 50%; 
  object-fit: cover; 
  display: block; 
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4); 
}

.section__text {
  align-self: center;
  text-align: center;
}

.section__text p {
  font-weight: 600;
}

.section__text__p1 {
  text-align: center;
}

.section__text__p2 {
  font-size: 1.7rem;
  margin-bottom: 1rem;
}

.section__text__p3 {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.title {
  font-size: 3rem;
  text-align: center;
}

#socials-container {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
  gap: 1rem;
}

.section__pic-container {
  perspective: 1000px;
}

.flipper {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.section__pic-container:hover .flipper {
  transform: rotateY(180deg);
}

.front,
.back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 50%;
  overflow: hidden;
}

.front img,
.back img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.back {
  transform: rotateY(180deg);
}

/* ICONS */

.icon {
  cursor: pointer;
  height: 2rem;
}

/* BUTTON CONTAINER */
.btn-container {
  display: -webkit-flex; /* Safari support */
  display: flex;
  justify-content: center;
  gap: 1rem;
}

/* ΓΕΝΙΚΟ ΣΤΥΛ BUTTON */
.btn,
input[type="submit"],
button[type="submit"] {
  font-weight: 600;
  -webkit-transition: all 400ms ease; /* Safari prefix */
  transition: all 400ms ease;
  padding: 1rem;
  width: 8rem;
  border-radius: 2rem;
  -webkit-appearance: none;
  appearance: none;
  border: rgb(53, 53, 53) 0.1rem solid;
  background: none;
  color: black; 
  cursor: pointer;
}

/* ΧΡΩΜΑΤΙΣΜΟΙ / ΕΙΔΙΚΑ BUTTONS */
.btn-color-1,
.btn-color-2 {
  border: rgb(53, 53, 53) 0.1rem solid;
}

.btn-color-1,
.btn-color-2:hover {
  background: rgb(53, 53, 53);
  color: white;
}

.btn-color-1:hover {
  background: rgb(0, 0, 0);
}

.btn-color-2 {
  background: none;
  -webkit-tap-highlight-color: transparent; /* iOS fix */
  color: black;
}

.btn-color-2:hover {
  border: rgb(255, 255, 255) 0.1rem solid;
}

/* FOCUS ΕΜΦΑΣΗ */
.btn:focus,
input:focus,
textarea:focus {
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

/* ABOUT SECTION */

#about {
  position: relative;
}

.about-containers {
  gap: 2rem;
  margin-bottom: 2rem;
  margin-top: 2rem;
}

.about-details-container {
  justify-content: center;
  flex-direction: column;
}

.about-containers,
.about-details-container {
  display: flex;
}

.about-pic {
  border-radius: 2rem;
  object-fit: cover;
  display: block;
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
}

.arrow {
  position: absolute;
  right: -5rem;
  bottom: 2.5rem;
}

.details-container {
  padding: 1.5rem;
  flex: 1;
  background: white;
  border-radius: 2rem;
  border: rgb(53, 53, 53) 0.1rem solid;
  border-color: rgb(163, 163, 163);
  text-align: center;
}

.section-container {
  gap: 2rem;
  height: 60%;
}

.section__pic-container {
  height: 400px;
  width: 400px;
  margin: auto 0;
}

/* EXPERIENCE SECTION */

#experience {
  position: relative;
}

.experience-sub-title {
  color: rgb(85, 85, 85);
  font-weight: 600;
  font-size: 1.75rem;
  margin-bottom: 2rem;
}

.experience-details-container {
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.article-container {
  display: flex;
  text-align: initial;
  flex-wrap: wrap;
  flex-direction: row;
  gap: 2.5rem;
  justify-content: space-around;
}

article {
  display: flex;
  width: 10rem;
  justify-content: space-around;
  gap: 1.5rem;
}

article .icon {
  cursor: default;
}

.svg-container {
  display: flex;
  justify-content: center;
}

svg {
  font-family: monospace;
  font-size: 18px;
}

.keyword {
  fill: #d62246;
} 
.variable {
  fill: #005f87;
} 
.function {
  fill: #872b55;
} 
.symbol {
  fill: #d62246;
} 
.text {
  fill: #333333;
} 

.cursor {
  fill: black;
  animation: blink 0.7s infinite alternate;
}
@keyframes blink {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* PROJECTS SECTION */

#projects {
  position: relative;
}

.color-container {
  border-color: rgb(163, 163, 163);
  background: rgb(250, 250, 250);
}

.project-img {
  border-radius: 2rem;
  width: 90%;
  height: 90%;
  aspect-ratio: 16 / 9;
}

.project-title {
  margin: 1rem;
  color: black;
}

.project-btn {
  color: black;
  border-color: rgb(163, 163, 163);
}

img {
  -webkit-object-fit: cover; /* Fallback */
  object-fit: cover;
}

/* CONTACT SECTION */

#contact {
  display: flex;
  justify-content: center;
  flex-direction: column;
  height: 70vh;
}

.contact-info-upper-container {
  display: flex;
  justify-content: center;
  border-radius: 2rem;
  border: rgb(53, 53, 53) 0.1rem solid;
  border-color: rgb(163, 163, 163);
  background: (250, 250, 250);
  margin: 2rem auto;
  padding: 0.5rem;
}

.contact-left {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem;
}

.form-contact {
  display: grid;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin: 1rem;
  border-color: rgb(163, 163, 163);
}

input,
textarea {
  width: 90%;
  padding: 12px;
  border-radius: 8px;
  border: none;
  background-color: rgb(250, 250, 250);
}

.contact-info-container {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2%;
  gap: 0.5rem;
  margin: 1rem;
}

.contact-info-container p {
  font-size: larger;
}

.contact-icon {
  cursor: default;
}

.email-icon {
  height: 2.5rem;
}

/* FOOTER SECTION */

footer {
  height: 26vh;
  margin: 0 1rem;
}

footer p {
  text-align: center;
}

/* PHONE SECTION */

.phone {
  width: 234px; /* Samsung A54 screen width in aspect ratio */
  height: 520px; /* Samsung A54 screen height in aspect ratio */
  background: #222;
  border-radius: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone::before {
  content: "";
  width: 50px;
  height: 5px;
  background: #333;
  border-radius: 3px;
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
}

.screen {
  width: 210px;
  height: 468px;
  background: black;
  border-radius: 20px;
  overflow: hidden;
}

video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Πλαίσιο Λάπτοπ (Huawei MateBook 14) */
.laptop {
  width: 700px;
  height: 400px;
  background: #444;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.laptop::before {
  content: "";
  width: 150px;
  height: 10px;
  background: #333;
  border-radius: 5px;
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
}

.laptop-screen {
  width: 640px;
  height: 360px;
  background: black;
  border-radius: 10px;
  overflow: hidden;
}

/* REVEAL ANIMATION */

@media screen and (min-width: 768px) {
  @keyframes slideDown {
    from {
      transform: translateY(-180px);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }

  .section__pic-container {
    animation: slideDown 1.6s ease-out forwards;
  }

  @keyframes slideInRight {
    from {
      transform: translateX(100px);
      opacity: 0;
    }
    to {
      transform: translateX(-100);
      opacity: 1;
    }
  }

  #socials-container {
    animation: slideInRight 0.8s ease-out forwards;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  .section__text__p1 {
    animation: fadeIn 2.2s ease-out forwards;
  }

  .title {
    animation: fadeIn 2.9s ease-out forwards;
  }

  .section__text__p2 {
    animation: fadeIn 3.3s ease-out forwards;
  }
}