@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Poppins:wght@400;500;600&display=swap");

:root {
  --title-font: 'Space Grotesk', 'Poppins', sans-serif;
  --glass-radius: 1.1rem;
  --glass-blur: 18px;
  --glass-border: 1px solid rgba(255, 255, 255, 0.22);
  --glass-shadow: 0 12px 40px rgba(47, 32, 119, 0.16);
  --hue-color: 266;
  --first-color: hsl(266, 80%, 47%);
  --first-color-second: hsl(266, 80%, 47%);
  --first-color-alt: hsl(266, 70%, 38%);
  --first-color-lighter: hsl(266, 90%, 85%);
  --grad-main: linear-gradient(135deg, #30025e 0%, #510b9c 45%, #7116d6 100%);
}

* {
  -webkit-tap-highlight-color: transparent;
}

body {
  overflow-x: hidden;
  background-color: #eaeefc;
  background-image:
    radial-gradient(60rem 42rem at 8% -12%, rgba(81, 11, 156, 0.3), transparent 60%),
    radial-gradient(55rem 38rem at 108% 8%, rgba(113, 22, 214, 0.2), transparent 60%),
    radial-gradient(52rem 52rem at 50% 118%, rgba(48, 2, 94, 0.15), transparent 60%);
  background-attachment: fixed;
  color: #33335c;
}

body:not(.dark-theme) {
  --title-color: #151537;
  --text-color: #373762;
  --text-color-light: #6f6fa0;
  --container-color: rgba(255, 255, 255, 0.5);
}

body.dark-theme {
  --title-color: #f3f2ff;
  --text-color: #c9c9e8;
  --text-color-light: #9191bb;
  background-color: #07070f;
  background-image:
    radial-gradient(60rem 42rem at 12% -12%, rgba(81, 11, 156, 0.4), transparent 60%),
    radial-gradient(55rem 38rem at 110% 10%, rgba(113, 22, 214, 0.25), transparent 60%),
    radial-gradient(52rem 52rem at 50% 120%, rgba(48, 2, 94, 0.3), transparent 60%);
  color: #c9c9e8;
}

.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
  pointer-events: none;
}

.bg-blobs i {
  position: absolute;
  display: block;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
  will-change: transform;
  animation: blobFloat 18s ease-in-out infinite alternate;
}

.bg-blobs i:nth-child(1) {
  width: 46vw;
  height: 46vw;
  left: -14vw;
  top: -10vh;
  background: radial-gradient(circle at 30% 30%, rgba(81, 11, 156, 0.85), transparent 70%);
}

.bg-blobs i:nth-child(2) {
  width: 40vw;
  height: 40vw;
  right: -12vw;
  top: 20vh;
  background: radial-gradient(circle at 60% 40%, rgba(113, 22, 214, 0.75), transparent 70%);
  animation-delay: -6s;
}

.bg-blobs i:nth-child(3) {
  width: 44vw;
  height: 44vw;
  left: 28vw;
  bottom: -18vh;
  background: radial-gradient(circle at 50% 50%, rgba(48, 2, 94, 0.65), transparent 70%);
  animation-delay: -12s;
}

body.dark-theme .bg-blobs i {
  opacity: 0.38;
}

@keyframes blobFloat {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(4vw, 3vh, 0) scale(1.12); }
}

.bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
}

h1, h2, h3, h4,
.nav__logo,
.home__title,
.section__title,
.footer__title,
.blog__title,
.services__title,
.portfolio__title,
.qualification__title,
.skills__title,
.contact__title {
  font-family: var(--title-font);
  letter-spacing: 0.01em;
}

.section {
  padding: 3rem 0 3.5rem;
}

.section__title,
.home__title {
  background: var(--grad-main);
  background-size: 180% 180%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradShift 8s ease infinite;
}

.section__title {
  font-size: calc(var(--h1-font-size) + 0.35rem);
  font-weight: 700;
}

.section__subtitle {
  color: var(--text-color-light);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.header {
  background: rgba(255, 255, 255, 0.5);
  border-top: var(--glass-border);
  box-shadow: 0 -12px 32px -18px rgba(35, 20, 90, 0.35);
}

.header.scroll-header {
  box-shadow: 0 -12px 32px -12px rgba(35, 20, 90, 0.4);
}

body.dark-theme .header {
  background: rgba(10, 10, 26, 0.55);
}

.nav__logo {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav__link.active-link {
  text-shadow: 0 0 18px rgba(113, 22, 214, 0.55);
}

@media screen and (max-width: 767px) {
  .nav__menu {
    background: rgba(255, 255, 255, 0.55);
    -webkit-backdrop-filter: blur(22px);
    backdrop-filter: blur(22px);
    border-top: var(--glass-border);
    box-shadow: 0 -18px 50px rgba(35, 20, 90, 0.25);
  }

  body.dark-theme .nav__menu {
    background: rgba(12, 12, 32, 0.55);
  }
}

.home__social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.4);
  border: var(--glass-border);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 6px 20px rgba(48, 2, 94, 0.18);
  transition: 0.3s;
}

body.dark-theme .home__social-icon {
  background: rgba(255, 255, 255, 0.07);
}

.home__social-icon:hover {
  transform: translateY(-4px);
  background: var(--grad-main);
  background-size: 180% 180%;
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 28px -8px rgba(81, 11, 156, 0.6);
}

.home__img {
  filter: drop-shadow(0 20px 44px rgba(81, 11, 156, 0.4));
}

.home__subtitle {
  letter-spacing: 0.06em;
}

.button,
.button[type="submit"] {
  background: var(--grad-main);
  background-size: 180% 180%;
  border: none;
  border-radius: 0.7rem;
  box-shadow: 0 10px 30px -10px rgba(81, 11, 156, 0.55);
  animation: gradShift 6s ease infinite;
  transition: 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.button:hover {
  background-position: 100% 50%;
  transform: translateY(-3px);
  box-shadow: 0 18px 36px -10px rgba(81, 11, 156, 0.7);
}

.button--link {
  background: none;
  box-shadow: none;
  animation: none;
}

.button--link:hover {
  background: none;
  transform: none;
}

.about__info {
  gap: 1rem;
}

.about__info > div {
  min-width: 96px;
  background: rgba(255, 255, 255, 0.4);
  border: var(--glass-border);
  border-radius: 1rem;
  padding: 1rem 1.4rem;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
}

body.dark-theme .about__info > div {
  background: rgba(255, 255, 255, 0.06);
}

.skills__container {
  row-gap: 0 !important;
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

.skills__content {
  background: rgba(255, 255, 255, 0.35);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  margin-bottom: 0;
  padding: 0.75rem 1rem;
}

body.dark-theme .skills__content {
  background: rgba(20, 18, 48, 0.38);
}

.skills__header {
  margin-bottom: 0 !important;
  gap: 0.5rem;
  min-height: 40px;
  align-items: center;
}

.skills__open .skills__header {
  margin-bottom: 0 !important;
}

.skills__icon {
  font-size: 1.6rem;
  color: var(--first-color);
  flex-shrink: 0;
  line-height: 1;
  transition: 0.3s;
}

.skills__open .skills__icon {
  filter: drop-shadow(0 0 10px rgba(113, 22, 214, 0.4));
}

.skills__title {
  font-size: var(--h3-font-size);
  font-weight: 600;
  line-height: 1.2;
}

.skills__subtitle {
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
  display: block;
  line-height: 1.2;
}

.skills__list {
  row-gap: 1rem;
  padding-left: 2.7rem;
  padding-top: 0.75rem;
}

.skills__open .skills__list {
  margin-bottom: 0;
}

.skills__data {
  margin-bottom: 0;
}

.skills__titles {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.35rem;
}

.skills__bar,
.skills__percentage {
  height: 5px;
  border-radius: .25rem;
}

.skills__bar {
  background-color: var(--first-color-lighter);
}

.skills__percentage {
  display: block;
  background-color: var(--first-color);
}

.skills__html { width: 100%; }
.skills__css { width: 100%; }
.skills__js { width: 100%; }
.skills__react { width: 85%; }
.skills__javas { width: 80%; }
.skills__node { width: 80%; }
.skills__firebase { width: 60%; }
.skills__pythons { width: 100%; }
.skills__frameworks { width: 100%; }
.skills__cv { width: 100%; }
.skills__nlp { width: 100%; }
.skills__ap { width: 100%; }
.skills__ps { width: 100%; }
.skills__dav { width: 100%; }
.skills__python { width: 100%; }
.skills__cpp { width: 100%; }
.skills__sql { width: 100%; }
.skills__gcp { width: 100%; }
.skills__aws { width: 100%; }
.skills__gpu { width: 100%; }
.skills__pt { width: 100%; }
.skills__git { width: 100%; }
.skills__linux { width: 100%; }
.skills__sd { width: 100%; }
.skills__lead { width: 100%; }
.skills__tm { width: 100%; }
.skills__com { width: 100%; }

.services__container {
  gap: 1rem;
}

.services__content {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.18));
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  padding: 2rem 1rem 1rem 1.5rem;
}

body.dark-theme .services__content {
  background: linear-gradient(160deg, rgba(24, 21, 60, 0.6), rgba(24, 21, 60, 0.28));
}

.services__content:hover {
  box-shadow: 0 22px 56px -14px rgba(81, 11, 156, 0.35);
}

.services__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.35);
  border: var(--glass-border);
  box-shadow: 0 6px 18px rgba(48, 2, 94, 0.18);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

body.dark-theme .services__icon {
  background: rgba(255, 255, 255, 0.07);
}

.services__title {
  margin-bottom: 0.5rem;
  font-size: var(--h3-font-size);
}

.portfolio__content {
  padding: 1rem 1.1rem 1.25rem;
  will-change: transform;
  background: rgba(255, 255, 255, 0.35);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

body.dark-theme .portfolio__content {
  background: rgba(20, 18, 48, 0.38);
}

.blog__card {
  will-change: transform;
  background: rgba(255, 255, 255, 0.35);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
}

body.dark-theme .blog__card {
  background: rgba(20, 18, 48, 0.38);
}

.blog__img-wrapper {
  border-radius: calc(var(--glass-radius) - 0.3rem) calc(var(--glass-radius) - 0.3rem) 0 0;
}

.blog__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 26px 60px -14px rgba(48, 2, 94, 0.45);
}

.qualification__content {
  background: rgba(255, 255, 255, 0.35);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--glass-shadow);
  padding: 1.5rem 1rem;
}

body.dark-theme .qualification__content {
  background: rgba(20, 18, 48, 0.38);
}

.services__modal-content {
  background: rgba(255, 255, 255, 0.7);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  border: var(--glass-border);
  border-radius: 1.1rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

body.dark-theme .services__modal-content {
  background: rgba(20, 18, 50, 0.78);
}

.portfolio__categories {
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.portfolio__category {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.4);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 22px rgba(48, 2, 94, 0.14);
  padding: 0.6rem 1.3rem;
  transition: 0.3s ease;
}

body.dark-theme .portfolio__category {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
}

.portfolio__category:hover {
  background: var(--grad-main);
  background-size: 180% 180%;
  border-color: transparent;
}

.portfolio__category--active {
  background: var(--grad-main);
  background-size: 180% 180%;
  border-color: transparent;
  color: #fff;
  box-shadow: 0 10px 26px -8px rgba(81, 11, 156, 0.7);
}

.contact__information {
  background: rgba(255, 255, 255, 0.4);
  border: var(--glass-border);
  border-radius: 1rem;
  padding: 1rem 1.2rem;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: var(--glass-shadow);
}

body.dark-theme .contact__information {
  background: rgba(255, 255, 255, 0.06);
}

.project__bg {
  background: linear-gradient(150deg, rgba(28, 22, 78, 0.9), rgba(81, 11, 156, 0.75), rgba(48, 2, 94, 0.7));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: var(--glass-border);
  box-shadow: 0 24px 70px -18px rgba(40, 20, 100, 0.55);
}

.footer__bg {
  background: rgba(14, 12, 42, 0.6);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 -20px 60px -20px rgba(30, 5, 70, 0.5);
}

.footer__title {
  background: linear-gradient(120deg, #ffffff, #c9a8ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.scrollup {
  background: var(--grad-main);
  background-size: 180% 180%;
  border-radius: 0.7rem;
  box-shadow: 0 10px 26px -6px rgba(81, 11, 156, 0.6);
}

::-webkit-scrollbar {
  width: 0.65rem;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #510b9c, #7116d6);
  border-radius: 0.5rem;
}

::-webkit-scrollbar-track {
  background: rgba(120, 120, 180, 0.12);
}

.contact__input {
  background-color: transparent;
}

body.blog-page .blog__container {
  grid-template-columns: repeat(2, 1fr);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media screen and (min-width: 768px) {
  .header {
    border-top: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  }

  .services__content {
    padding: 4rem 0 1.5rem 2rem;
  }

  .skills__content {
    padding: 1rem 1.25rem;
  }

  #services,
  #portfolio,
  #blog,
  #contact {
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
  }
}

@media screen and (min-width: 1024px) {
  .container {
    max-width: 1080px;
  }

  .home__social {
    transform: translateX(-1.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .bg-blobs i,
  .button,
  .section__title,
  .home__title {
    animation: none;
  }
}