/* ===== ROOT & GLOBAL STYLES ===== */
:root {
  --font-primary: "Poppins", sans-serif;
  --font-secondary: "Raleway", sans-serif;

  /* === COLORS === */
  --text-color: #ffffff;
  --bg-color: #110606;
  --primary-color: #7a37b3;
  --primary-color-darker: #5a2483;
  --primary-color-shadow: #d1a5f585;
  --surface-color: rgba(27, 26, 40, 0.75);
  --surface-border-color: rgba(255, 255, 255, 0.1);
  --text-secondary-color: #c4c4c4;

  /* === SIZING & RADIUS === */
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-circle: 50%;

  /* === TRANSITIONS & ANIMATIONS === */
  --transition-fast: 0.2s;
  --transition-medium: 0.4s;
  --timing-function-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
html {
  scroll-behavior: smooth;
  background-color: var(--bg-color);
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-color);
  color: var(--text-color);
  background-image: radial-gradient(
      circle 600px at var(--mouse-x, -1000px) var(--mouse-y, -1000px),
      rgba(209, 165, 245, 0.15),
      transparent 80%
    ),
    linear-gradient(150deg, var(--bg-color), #9e00ff);
  background-repeat: no-repeat, no-repeat;
  background-attachment: fixed;
  background-clip: border-box;
  background-size: cover, cover;
  overscroll-behavior-y: contain;
}

body.body-no-scroll {
  overflow: hidden;
}

/* ===== HEADER ===== */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: 45px 15px;
}

.header .logo {
  width: 65px;
  height: 65px;
  border-radius: var(--border-radius-circle);
  border: 2.5px solid var(--text-color);
  text-align: center;
  font-size: 28px;
  font-weight: bold;
  line-height: 58px;
  font-family: var(--font-secondary);
  transition: color var(--transition-fast) ease,
    border-color var(--transition-fast) ease;
}

.header a:hover .logo {
  color: var(--primary-color);
  border: 2.5px solid var(--primary-color);
}

.header .menu .menu-list {
  display: flex;
  align-items: center;
  gap: 15px;
}

.header .menu li a {
  font-size: 20px;
  text-transform: capitalize;
  padding: 10px 20px;
}

.header .menu .dropdown > a {
  text-align: center;
  box-sizing: border-box;
  display: block;
}

.header .menu .dropdown:hover > a {
  background-color: var(--primary-color);
  border-radius: var(--border-radius-md) var(--border-radius-md) 0px 0px;
  color: var(--text-color);
}

.header .menu .projects-li:hover > a {
  background-color: var(--primary-color);
  color: var(--text-color);
  border-radius: 50px;
}

.header .menu .dropdown {
  position: relative;
  min-width: 190px;
}

.header .menu .dropdown > a i {
  font-size: 14px;
  margin-left: 5px;
  transition: transform var(--transition-medium) var(--timing-function-smooth);
}

.header .menu .dropdown .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--surface-color);
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  border: 1px solid var(--surface-border-color);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  width: 100%;
  padding: 8px;
  list-style: none;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  overflow: hidden;
  transform: translateY(10px);
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
  transition: opacity var(--transition-medium) var(--timing-function-smooth),
    transform var(--transition-medium) var(--timing-function-smooth);
}

.header .menu .dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header .menu .dropdown:hover > a i {
  transform: rotate(180deg);
}

.header .menu .dropdown-menu li a,
.header .menu .dropdown-menu li button {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 16px;
  text-transform: none;
  transition: background-color var(--transition-fast) ease;
  width: 100%;
  border-radius: var(--border-radius-sm);
  background: transparent;
  border: none;
  color: var(--text-color);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
}

.header .menu .dropdown-menu li a:hover,
.header .menu .dropdown-menu li button:hover,
.header .menu .mobile-only a:hover,
.header .menu .mobile-only button:hover {
  background-color: var(--primary-color);
}

.header .menu .mobile-only i {
  width: 16px;
  text-align: center;
  padding-right: 25px;
  color: #bf58ff;
  transition: color var(--transition-fast) ease;
}

/* ===== HOME SECTION ===== */
.home {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  min-height: calc(100vh - 125px);
  align-items: center;
  gap: 60px;
  justify-content: center;
}

.home .informations {
  display: flex;
  flex-direction: column;
  gap: 15px;
  letter-spacing: 2px;
  padding: 0 15px;
  max-width: 60%;
}

.home .informations,
.home .photo-container {
  opacity: 0;
  will-change: opacity, transform;
}

.home .informations .informations {
  max-width: 100%;
}

.home .informations h1 {
  font-family: var(--font-secondary);
  font-size: 45px;
  margin-bottom: 20px;
}

.home .informations p {
  font-family: var(--font-secondary);
  font-size: 20px;
  margin-bottom: 8px;
}

.home .social-media {
  display: flex;
  gap: 20px;
}

.home .social-media li a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius-circle);
  border: 2px solid var(--text-color);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition-medium) ease;
  text-align: center;
}

.home .social-media li a i {
  font-size: 26px;
  color: var(--text-color);
  position: relative;
  z-index: 2;
  transition: color var(--transition-medium) ease-in-out;
  text-align: center;
}

.home .social-media li a::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  transition: top var(--transition-medium) ease-in-out;
}

.home .social-media li a:hover {
  border-color: transparent;
}

.home .social-media li a:hover::before {
  top: 0;
}

.home .social-media li:nth-child(1) a::before {
  background: #0077b5;
}

.home .social-media li:nth-child(2) a::before {
  background-color: #dd4b39;
}

.home .social-media li:nth-child(3) a::before {
  background-color: #272626;
}

.home .social-media li:nth-child(4) a::before {
  background: radial-gradient(
    circle at 30% 107%,
    #fdf497 0%,
    #fdf497 5%,
    #fd5949 45%,
    #d6249f 60%,
    #285aeb 90%
  );
}

.home .photo-container .photo {
  max-width: 400px;
  border-radius: var(--border-radius-circle);
}

.home .photo-container img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-circle);
}

/* ===== PROJECTS SECTION ===== */
.projects {
  padding: 70px 0 70px;
  margin: 0 auto;
  max-width: 1400px;
}

/* --- Section Title Specifics --- */
.projects .title {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  justify-content: center;
  padding: 60px 0;
}

/* --- Projects Grid --- */
.projects .projects-container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  justify-content: center;
}

/* --- Project Card --- */
.project-image-wrapper {
  position: relative;
  order: 2;
  line-height: 0;
  overflow: hidden;
}

.projects .project {
  max-width: 420px;
  max-height: none;
  min-height: 400px;
  background-color: #00000076;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  display: none;
  position: relative;
  border: 1px solid #1d1c1c;
  transition: transform var(--transition-fast) var(--timing-function-smooth),
    box-shadow var(--transition-medium) var(--timing-function-smooth),
    border-color var(--transition-medium) ease;
  box-shadow: rgba(0, 0, 0, 0.4) 0px 2px 4px,
    rgba(0, 0, 0, 0.3) 0px 7px 13px -3px, rgba(0, 0, 0, 0.2) 0px -3px 0px inset;
  opacity: 0;
  will-change: opacity, transform;
}

.projects .project:hover {
  will-change: transform;
  transform: translateY(-5px);
  border: 1.7px solid var(--primary-color);
}

.projects .project.active {
  display: flex;
}

.projects .project a {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
}

.projects .project img {
  height: auto;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0px;
  background-color: #111;
  transition: transform var(--transition-medium) ease-in-out;
}

.projects .project .project-content {
  background-color: #ffffff;
  color: #111;
  padding: 20px;
  flex-grow: 1;
  order: 3;
  transition: all var(--transition-medium) ease-in-out;
}

.projects .project .project-content h3 {
  background-color: transparent;
  position: static;
  padding: 0;
  font-size: 1.4rem;
  margin-bottom: 18px;
  color: #111;
  text-transform: capitalize;
}

.projects .project .project-information {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 25px;
  padding: 20px 20px 30px 8px;
  text-align: left;
  font-weight: 600;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.645) 10%,
    rgba(0, 0, 0, 0.207) 90%,
    transparent 100%
  );
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transform: translateY(15px);
  transition: opacity var(--transition-medium) var(--timing-function-smooth),
    transform var(--transition-medium) var(--timing-function-smooth);
  pointer-events: none;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) transparent;
}

.projects .project .project-information p {
  padding-top: 8px;
  margin-bottom: -10px;
}

.projects .project .technologies {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  justify-content: left;
  padding-bottom: 5px;
}

.projects .project .project-information::-webkit-scrollbar {
  height: 5px;
}

.projects .project .project-information::-webkit-scrollbar-track {
  background: transparent;
}

.projects .project .project-information::-webkit-scrollbar-thumb {
  background-color: var(--primary-color);
  border-radius: 20px;
}

.projects .project .technologies li span {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all var(--transition-medium) ease;
  white-space: nowrap;
}

.projects .project .technologies li span:hover {
  background-color: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color-darker);
}

.projects .project:hover img {
  transform: scale(1.03);
}

.projects .project:hover .project-information {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.projects .btn-show-projects {
  background: none;
  border: 1px solid var(--text-color);
  border-radius: 15px;
  width: 180px;
  padding: 20px;
  font-size: 18px;
  font-weight: 600;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  will-change: opacity, transform;
}

.btn-show-projects {
  color: white;
}

.projects .btn-show-projects:hover {
  background-color: var(--primary-color);
  transition: background-color var(--transition-medium) ease;
}

.projects .btn-show-projects.remover {
  display: none;
}

.project.active.in-view {
  animation: fadeInUp 0.8s var(--timing-function-smooth) forwards;
}

.btn-show-projects.in-view {
  animation: fadeInUp 0.8s var(--timing-function-smooth) forwards;
}

/* ===== SKILLS & CERTIFICATES SECTIONS ===== */
/* --- Shared Container Styles --- */
.certificates,
.skills {
  background-color: rgba(22, 20, 37, 0.649);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.045);
  padding: 70px 15px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

/* --- Skills Section --- */
.skills {
  margin-bottom: 5px;
}

.skills .title {
  margin-bottom: 30px;
  filter: drop-shadow(0 0 8px var(--primary-color-shadow));
}

.skills .container-skills {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 900px;
  border-radius: var(--border-radius-md);
  padding: 20px 24px;
  background: var(--surface-color);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  border: 1px solid var(--surface-border-color);
}

.skills .container-skills:hover {
  animation: subtle-shake 0.4s ease-in-out;
}

.skills .container-skills .skill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 15px;
  width: 120px;
  text-align: center;
  margin: 15px 0px;
  opacity: 0;
  transform: translateY(20px);
  will-change: opacity, transform;
}

.skills .container-skills .skill-item img {
  width: 80px;
  height: 80px;
}

.skills .container-skills .skill-item span {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-secondary-color);
  transition: color 0.3s ease;
}

.skills.in-view .container-skills .skill-item {
  animation: fadeInUp 0.8s var(--timing-function-smooth) forwards;
}

.skills.in-view .container-skills .skill-item:nth-child(1) {
  animation-delay: 0.1s;
}
.skills.in-view .container-skills .skill-item:nth-child(2) {
  animation-delay: 0.2s;
}
.skills.in-view .container-skills .skill-item:nth-child(3) {
  animation-delay: 0.3s;
}
.skills.in-view .container-skills .skill-item:nth-child(4) {
  animation-delay: 0.4s;
}
.skills.in-view .container-skills .skill-item:nth-child(5) {
  animation-delay: 0.5s;
}
.skills.in-view .container-skills .skill-item:nth-child(6) {
  animation-delay: 0.6s;
}

.skills .container-skills .skill-item:hover {
  transform: scale(1.1);
}

.skills .container-skills .skill-item:hover img {
  filter: drop-shadow(0 0 10px var(--primary-color-shadow));
}

.skills .container-skills .skill-item:hover span {
  color: #fff;
}

/* --- Certificates Section --- */
.certificates {
  padding-top: 120px;
  padding-bottom: 140px;
}

.certificates .title {
  margin-bottom: 6px;
  filter: drop-shadow(0 0 8px var(--primary-color-shadow));
}

.certificates p {
  text-align: center;
  font-size: 22px;
  margin-bottom: 40px;
  opacity: 0;
  will-change: opacity, transform;
}

.certificates.in-view .title {
  animation: fadeInUp 0.8s var(--timing-function-smooth) forwards;
}

.certificates.in-view p {
  animation: fadeInUp 0.8s var(--timing-function-smooth) 0.2s forwards;
}
.certificates-container {
  display: flex;
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
  padding: 10px 0px 40px 0px;
  margin: auto;
  position: relative;
}

.certificates-slide {
  display: flex;
  animation: slide 78s linear infinite;
}

.certificates-slide a {
  cursor: pointer;
  flex-shrink: 0;
  padding: 25px;
  margin: 0px 15px;
  width: 400px;
  height: 300px;
  background-color: #f3f3f3f4;
  border-radius: var(--border-radius-md);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.certificates-slide a img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.certificates-container:hover .certificates-slide {
  animation-play-state: paused;
}

/* ===== CONTACT SECTION ===== */
.form-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  width: 100%;
  background: rgb(27, 26, 26);
  padding: 40px 0px 100px 0px;
}

.form-container .title {
  margin-bottom: 30px;
  filter: drop-shadow(0 0 8px var(--primary-color-shadow));
}

.form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  max-width: 600px;
  margin: auto;
  width: 100%;
  opacity: 0;
  will-change: opacity, transform;
}

.form label {
  font-size: 18px;
  color: var(--text-secondary-color);
  margin: 4px 2px;
}

.form input,
.form textarea {
  width: 100%;
  padding: 15px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-color);
  font-family: var(--font-primary);
  font-size: 16px;
  transition: border-color var(--transition-medium) ease,
    box-shadow var(--transition-medium) ease;
}

.form input::placeholder,
.form textarea::placeholder {
  color: #777;
}

.form input:focus,
.form textarea:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 10px var(--primary-color-shadow);
}

.form textarea {
  resize: vertical;
  min-height: 120px;
}

.form .btn-submit {
  background-color: var(--primary-color);
  color: var(--text-color);
  border: none;
  border-radius: 15px;
  padding: 20px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 20px;
  transition: background-color var(--transition-medium) ease,
    transform var(--transition-fast) ease;
}

.form .btn-submit:hover {
  background-color: var(--primary-color-darker);
  transform: translateY(-2px);
}

/* ===== UTILITIES & HELPERS ===== */
/* --- General Title Styling --- */
.title {
  text-align: center;
  font-size: 45px;
  font-weight: 500;
  text-transform: uppercase;
  opacity: 0;
  will-change: opacity, transform;
}

/* --- footer --- */
.site-footer {
  background-color: #1d1f22;
  color: #ecf0f1;
  padding: 60px 0px 30px;
  display: grid;
  border-radius: 40px 40px 0px 0px;
  grid-template-columns: 1fr 300px 1fr;
  gap: 50px;
  position: relative;
  margin-top: -35px;
  z-index: 10;
}

.footer-column {
  justify-content: center;
  padding: 20px 0px;
  margin: 0px 60px;
}

.footer-column h3 {
  color: #ffffff;
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 22px;
  font-family: var(--font-secondary);
}

.footer-column p {
  margin: 0 0 10px 0;
  color: var(--text-secondary-color);
  max-width: 500px;
  line-height: 1.6;
}

.footer-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-column ul li {
  margin-bottom: 12px;
}

.footer-column ul li a {
  color: var(--text-secondary-color);
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column ul li a:hover {
  color: var(--primary-color);
}

.footer-social-media {
  display: flex;
  margin-top: 20px;
  list-style: none;
}

.footer-social-media li {
  margin-right: 15px;
}

.footer-social-media a {
  display: inline-block;
  transition: transform var(--transition-fast) ease;
}

.footer-social-media a:hover {
  transform: translateY(-3px);
}

.footer-social-media i {
  font-size: 28px;
  padding: 5px 10px;
  transition: color var(--transition-fast) ease;
}

.footer-social-media .fa-linkedin-in {
  color: #0077b5;
}

.footer-social-media .fa-github {
  color: #e1e1e1;
}

.footer-social-media .fa-instagram {
  background: radial-gradient(
    circle at 30% 107%,
    #fdf497 0%,
    #fdf497 5%,
    #fd5949 45%,
    #d6249f 60%,
    #285aeb 90%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.footer-copyright {
  grid-column: 1 / -1;
  text-align: center;
  padding-top: 20px;
  color: var(--text-secondary-color);
  font-size: 14px;
  border-top: 1px solid var(--surface-border-color);
  width: 90%;
  max-width: 1120px;
  margin: 20px auto 0;
}

/* --- Scroll to Top Button --- */
#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: #fff;
  border-radius: var(--border-radius-circle);
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  font-size: 20px;
  transition: opacity var(--transition-medium) var(--timing-function-smooth),
    transform var(--transition-medium) var(--timing-function-smooth),
    background-color var(--transition-medium) ease;
  visibility: hidden;
  align-items: center;
  transform: translateY(15px);
}

#scrollTopBtn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ===== ANIMATIONS & KEYFRAMES ===== */
.animate-gradient {
  background: linear-gradient(to right, #8a35c8, #18c063, #00eea2);
  background-size: 180% 180%;
  animation: gradient-animation 5s ease infinite;
}

.fadeInUp {
  animation: fadeInUp 1s var(--timing-function-smooth) forwards;
}

.fadeInLeft {
  animation: fadeInLeft 1s var(--timing-function-smooth) forwards;
}

.fadeInRight {
  animation: fadeInRight 1s var(--timing-function-smooth) forwards;
}

/* --- Intersection Observer Triggers --- */
.projects.in-view .title,
.skills.in-view .title,
.certificates.in-view .title,
.form-container.in-view .title {
  animation: fadeInUp 0.8s var(--timing-function-smooth) forwards;
  animation-delay: 0.1s;
}

.form-container.in-view .form {
  animation: fadeInLeft 0.8s var(--timing-function-smooth) forwards;
  animation-delay: 0.2s;
}

/* --- Keyframe Definitions --- */
@keyframes gradient-animation {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

@keyframes slide {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}