/* Final visual layer for the premium 3D portfolio design. */
:root {
  --space-ink: #050712;
  --space-navy: #080d1f;
  --glass-surface: rgba(9, 17, 37, 0.58);
  --glass-border: rgba(156, 220, 255, 0.24);
  --cyan-glow: #42e8ff;
  --violet-glow: #a66cff;
  --soft-text: rgba(236, 246, 255, 0.82);
  --muted-text: rgba(219, 232, 255, 0.68);
  --backdrop-filter-blur: blur(20px) saturate(150%);
}

body {
  background:
    radial-gradient(circle at 18% 10%, rgba(66, 232, 255, 0.2), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(166, 108, 255, 0.2), transparent 30rem),
    radial-gradient(circle at 48% 92%, rgba(86, 132, 255, 0.13), transparent 26rem),
    linear-gradient(135deg, var(--space-ink), var(--space-navy) 50%, #04050d);
  letter-spacing: 0;
}

body,
.main,
section {
  max-width: 100%;
}

section,
.header .nav-inner,
.portfolio-item,
.pp-content,
.contact-info-item,
.contact-form form,
.about-img .img-box,
.home-img .img-box,
.btn,
.project-card-meta,
.project-tech-badges span {
  -webkit-backdrop-filter: var(--backdrop-filter-blur);
}

a,
button,
.btn,
.portfolio-item-title,
.project-card-meta,
.project-tech-badges span,
.pp-body,
.contact-info-item {
  overflow-wrap: anywhere;
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.about-tabs .tab-item:focus-visible,
.contact-info-item .social-links a:focus-visible {
  outline: 2px solid rgba(90, 226, 255, 0.95);
  outline-offset: 4px;
  box-shadow:
    0 0 0 5px rgba(66, 232, 255, 0.14),
    0 0 28px rgba(66, 232, 255, 0.28);
}

#c {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.34;
  pointer-events: none;
  z-index: -3;
  mix-blend-mode: screen;
}

section {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(12, 22, 48, 0.72), rgba(8, 12, 27, 0.54)),
    radial-gradient(circle at top left, rgba(66, 232, 255, 0.12), transparent 22rem);
  border-color: var(--glass-border);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.sec-padding {
  padding: clamp(56px, 7vw, 88px) 0;
}

.section-title {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.section-title h2 {
  line-height: 1.15;
}

.section-title p {
  max-width: 780px;
  margin: 10px auto 0;
  color: var(--soft-text);
}

.home-section {
  padding: clamp(86px, 8vw, 122px) 0 clamp(64px, 7vw, 96px);
}

.home-section .row {
  row-gap: 32px;
}

.about-section .row,
.contact-section .row {
  row-gap: 28px;
}

.square-card,
.ball-movement {
  position: fixed;
  pointer-events: none;
  z-index: -2;
  background: transparent;
}

.square {
  width: 42px;
  height: 42px;
  background: rgba(66, 232, 255, 0.06);
  border: 1px solid rgba(66, 232, 255, 0.38);
  border-radius: 10px;
  box-shadow: inset 0 0 18px rgba(66, 232, 255, 0.18), 0 0 30px rgba(166, 108, 255, 0.2);
}

.ball-movement::before {
  display: none;
}

.ball,
.bg-circles .circle-1,
.bg-circles .circle-2,
.bg-circles .circle-3,
.bg-circles .circle-4 {
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.9), rgba(66, 232, 255, 0.45) 22%, rgba(166, 108, 255, 0.2) 58%, rgba(66, 232, 255, 0.04) 72%);
  border: 1px solid rgba(170, 230, 255, 0.28);
  box-shadow:
    inset -12px -18px 26px rgba(4, 6, 18, 0.42),
    0 0 28px rgba(66, 232, 255, 0.24),
    0 0 58px rgba(166, 108, 255, 0.16);
}

.bg-circles .circle-1 {
  height: 42px;
  width: 42px;
}

.bg-circles .circle-2 {
  height: 34px;
  width: 34px;
}

.bg-circles .circle-3 {
  height: 74px;
  width: 74px;
  right: -22px;
  background:
    linear-gradient(135deg, rgba(66, 232, 255, 0.16), rgba(166, 108, 255, 0.08)),
    repeating-linear-gradient(60deg, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px 12px);
}

.bg-circles .circle-4 {
  height: 32px;
  width: 32px;
}

.btn {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.04));
  border-color: rgba(150, 220, 255, 0.32);
  color: #f7fbff;
  text-transform: none;
  backdrop-filter: blur(16px);
}

.btn:hover,
.btn:focus-visible {
  color: #fff;
  border-color: rgba(66, 232, 255, 0.62);
  box-shadow:
    0 0 22px rgba(66, 232, 255, 0.22),
    0 0 42px rgba(166, 108, 255, 0.13);
}

.home-img .img-box {
  background:
    linear-gradient(var(--space-ink), var(--space-ink)) padding-box,
    conic-gradient(from 140deg, rgba(66, 232, 255, 0.95), rgba(166, 108, 255, 0.86), rgba(255, 255, 255, 0.45), rgba(66, 232, 255, 0.95)) border-box;
}

.about-img .img-box {
  overflow: hidden;
  border-radius: 18px;
}

.about-img .img-box img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 28%;
  border-radius: 16px;
}

.portfolio-item,
.pp-content {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04));
  border: 1px solid var(--glass-border);
}

.portfolio-section .row:last-child {
  align-items: stretch;
  row-gap: 30px;
}

.portfolio-item {
  --card-tilt-x: 0deg;
  --card-tilt-y: 0deg;
  --card-lift: 0px;
  --glow-x: 50%;
  --glow-y: 0%;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  height: auto;
  padding: 18px;
  border-radius: 20px;
  isolation: isolate;
  transform:
    perspective(1100px)
    rotateX(var(--card-tilt-x))
    rotateY(var(--card-tilt-y))
    translate3d(0, var(--card-lift), 0);
  transform-style: preserve-3d;
  transition:
    transform 180ms ease,
    opacity 700ms ease,
    border-color 260ms ease,
    box-shadow 260ms ease,
    background 260ms ease;
  will-change: transform;
}

.portfolio-item a {
  text-decoration: none;
}

.portfolio-item::before {
  background:
    radial-gradient(circle at var(--glow-x) var(--glow-y), rgba(66, 232, 255, 0.24), transparent 15rem),
    radial-gradient(circle at calc(100% - var(--glow-x)) 100%, rgba(166, 108, 255, 0.18), transparent 16rem);
}

.portfolio-item::after {
  opacity: 0.22;
  background:
    linear-gradient(135deg, rgba(66, 232, 255, 0.58), rgba(166, 108, 255, 0.5), rgba(255, 255, 255, 0.12) 62%, transparent);
}

.portfolio-item:hover,
.portfolio-item:focus-within {
  background:
    linear-gradient(145deg, rgba(15, 28, 58, 0.78), rgba(8, 12, 28, 0.66));
  border-color: rgba(90, 226, 255, 0.52);
  box-shadow:
    0 26px 70px rgba(0, 0, 0, 0.36),
    0 0 34px rgba(66, 232, 255, 0.18),
    0 0 70px rgba(166, 108, 255, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  translate: none;
}

.portfolio-item:hover::after,
.portfolio-item:focus-within::after {
  opacity: 0.95;
}

.portfolio-item-thumbnail {
  position: relative;
  border-radius: 16px;
  transform: translateZ(26px);
  box-shadow: 0 18px 35px rgba(0, 0, 0, 0.22);
}

.portfolio-item-thumbnail::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.16), transparent 34%),
    radial-gradient(circle at 85% 15%, rgba(66, 232, 255, 0.24), transparent 34%);
  pointer-events: none;
}

.portfolio-item h3 {
  margin: 18px 0 8px;
  color: #f8fbff;
  font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.28rem);
  line-height: 1.22;
  transform: translateZ(32px);
}

.portfolio-item a:hover h3,
.portfolio-item a:focus-visible h3 {
  color: #bff6ff;
  text-shadow: 0 0 18px rgba(66, 232, 255, 0.32);
}

.portfolio-item-summary {
  margin: 0 0 14px;
  min-height: 0;
  color: var(--muted-text);
  font-size: 0.95rem;
  line-height: 1.6;
  transform: translateZ(24px);
}

.project-card-meta {
  display: grid;
  gap: 8px;
  margin: 0 0 16px;
  padding: 13px 14px;
  border: 1px solid rgba(156, 220, 255, 0.16);
  border-radius: 14px;
  background: rgba(4, 9, 22, 0.32);
  transform: translateZ(30px);
}

.project-card-meta span {
  display: grid;
  gap: 2px;
  color: rgba(235, 246, 255, 0.82);
  font-size: 0.78rem;
  line-height: 1.35;
}

.project-card-meta strong {
  color: rgba(132, 235, 255, 0.9);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.project-tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: auto 0 18px;
  transform: translateZ(34px);
}

.project-tech-badges span {
  display: inline-flex;
  align-items: center;
  min-height: 29px;
  padding: 5px 10px;
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(66, 232, 255, 0.12), rgba(166, 108, 255, 0.1));
  border: 1px solid rgba(156, 220, 255, 0.18);
  color: rgba(238, 249, 255, 0.88);
  font-size: 0.76rem;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.portfolio-item .btn {
  width: 100%;
  margin-top: 0;
  transform: translateZ(38px);
}

.pp-inner {
  align-items: flex-start;
}

.pp-content {
  max-height: calc(100vh - 80px);
  overflow-y: auto;
}

.pp-body .general-info li,
.pp-body .general-info li a {
  color: rgba(238, 247, 255, 0.9);
}

.contact-form .row {
  margin: 0;
}

.contact-form .btn {
  width: min(100%, 220px);
  text-align: center;
}

.contact-info-item:empty {
  display: none;
}

.contact-info .contact-info-item:nth-child(2) {
  display: none;
}

.contact-info-item p,
.contact-info-item h3 {
  color: rgba(238, 247, 255, 0.9);
}

.contact-info-item .social-links a {
  color: #f5fbff;
}

.portfolio-item.reveal {
  opacity: 0;
  transform:
    perspective(1100px)
    rotateX(var(--card-tilt-x))
    rotateY(var(--card-tilt-y))
    translate3d(0, 28px, 0);
}

.portfolio-item.reveal.in-view {
  opacity: 1;
  transform:
    perspective(1100px)
    rotateX(var(--card-tilt-x))
    rotateY(var(--card-tilt-y))
    translate3d(0, var(--card-lift), 0);
}

@media (prefers-reduced-motion: reduce) {
  #c {
    display: none;
  }

  .hero-particle,
  .hero-wireframe,
  .tech-orbit span,
  .square-card,
  .ball-movement,
  .bg-circles .cube,
  .bg-circles .circle-1,
  .bg-circles .circle-2 {
    animation: none !important;
  }

  .portfolio-item,
  .portfolio-item.reveal,
  .portfolio-item.reveal.in-view {
    transform: none;
    transition: none;
    will-change: auto;
  }

  .portfolio-item-thumbnail,
  .portfolio-item h3,
  .portfolio-item-summary,
  .project-card-meta,
  .project-tech-badges,
  .portfolio-item .btn {
    transform: none;
  }
}

@media(max-width: 767px) {
  body {
    padding: 18px 10px;
  }

  section {
    border-radius: 20px;
  }

  .sec-padding {
    padding: 54px 0;
  }

  .home-section {
    padding: 82px 0 58px;
  }

  .section-title {
    margin-bottom: 26px;
  }

  .section-title h2 {
    font-size: clamp(2rem, 12vw, 2.8rem);
  }

  .name_a {
    font-size: clamp(3rem, 15vw, 4.2rem) !important;
  }

  .home-text h2 {
    font-size: clamp(1.1rem, 6vw, 1.45rem);
  }

  .home-text .btn,
  .about-text .btn {
    width: min(100%, 260px);
    margin-left: 0;
    margin-right: 0;
    text-align: center;
  }

  .about-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
  }

  .about-tabs .tab-item {
    margin: 0;
  }

  .about-img .img-box {
    max-width: min(100%, 290px);
  }

  .portfolio-item {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
    padding: 16px;
    transform: none;
    will-change: auto;
  }

  .portfolio-item.reveal,
  .portfolio-item.reveal.in-view {
    transform: none;
  }

  .portfolio-item-thumbnail,
  .portfolio-item h3,
  .portfolio-item-summary,
  .project-card-meta,
  .project-tech-badges,
  .portfolio-item .btn {
    transform: none;
  }

  .project-card-meta {
    padding: 12px;
  }

  .project-tech-badges {
    gap: 7px;
  }

  .pp-inner {
    padding: 22px 10px;
  }

  .pp-content {
    max-height: calc(100vh - 44px);
    padding: 22px 16px;
    border-radius: 20px;
  }

  .pp-header .btn {
    right: 0;
    top: -8px;
  }

  .contact-form,
  .contact-info {
    padding-left: 0;
    padding-right: 0;
  }
}

@media(min-width: 768px) and (max-width: 991px) {
  .portfolio-item {
    width: calc(50% - 30px);
  }

  .home-section {
    padding-top: 96px;
  }
}