/* ============================================
   MODERN EFFECTS: reveals, glows, gradients,
   micro-interactions. Loaded after design.css.
   ============================================ */

/* ---------- page load ---------- */
body {
  animation: pageFadeIn .6s ease both;
}
@keyframes pageFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---------- scroll progress bar ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--first-color), hsl(var(--hue), 100%, 65%));
  z-index: 1000;
  transition: width .1s ease-out;
  box-shadow: 0 0 8px hsla(var(--hue), 100%, 50%, .6);
}

/* ---------- scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .7s cubic-bezier(.22,.9,.3,1), transform .7s cubic-bezier(.22,.9,.3,1);
  will-change: opacity, transform;
}
.reveal.reveal--left  { transform: translateX(-40px); }
.reveal.reveal--right { transform: translateX(40px); }
.reveal.reveal--zoom  { transform: scale(.92); }
.reveal.active {
  opacity: 1;
  transform: none;
}

/* ---------- header ---------- */
.header {
  transition: background-color .4s ease, box-shadow .4s ease, backdrop-filter .4s ease;
}
.header.scroll-header {
  box-shadow: 0 4px 24px hsla(228, 15%, 4%, .4);
  background-color: hsla(228, 15%, 15%, .85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav__logo {
  transition: transform .35s ease, filter .35s ease;
  display: inline-block;
}
.nav__logo:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 10px hsla(var(--hue), 100%, 50%, .5));
}

/* nav underline sweep */
.nav__link {
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0%;
  height: 2px;
  background: var(--first-color);
  transition: width .35s ease;
  border-radius: 2px;
}
.nav__link:hover::after,
.nav__link.active-link::after {
  width: 100%;
}

.nav__toggle,
.nav__close {
  transition: transform .3s ease, color .3s ease;
}
.nav__toggle:hover,
.nav__close:hover {
  transform: rotate(90deg);
  color: var(--first-color);
}

/* ---------- home: animated glow orbs ---------- */
.home {
  position: relative;
  overflow: hidden;
}
.home::before,
.home::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  pointer-events: none;
  z-index: 0;
}
.home::before {
  width: 380px;
  height: 380px;
  background: hsl(var(--hue), 100%, 45%);
  top: -120px;
  right: -80px;
  animation: floatOrb 9s ease-in-out infinite;
}
.home::after {
  width: 300px;
  height: 300px;
  background: hsl(calc(var(--hue) + 40), 90%, 50%);
  bottom: -100px;
  left: -60px;
  animation: floatOrb 11s ease-in-out infinite reverse;
}
@keyframes floatOrb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(30px, 25px) scale(1.08); }
}
.home__container {
  position: relative;
  z-index: 1;
}

/* gradient shimmering title */
.home__title {
  background: linear-gradient(100deg, var(--first-color) 20%, #fff 45%, var(--first-color) 70%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 5s linear infinite;
}
@keyframes shine {
  to { background-position: -200% center; }
}

/* typewriter-style cursor after the role text */
.home__education::after {
  content: '';
  display: inline-block;
  width: 2px;
  height: 1em;
  margin-left: 4px;
  background: var(--first-color);
  vertical-align: middle;
  animation: blinkCursor 1s steps(1) infinite;
}
@keyframes blinkCursor {
  0%, 49%  { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* home social icons: bounce in + hover */
.home__social-link,
.footer__social-link {
  transition: transform .35s cubic-bezier(.34,1.56,.64,1), background-color .35s ease, box-shadow .35s ease;
}
.home__social-link:hover,
.footer__social-link:hover {
  transform: translateY(-6px) rotate(-8deg) scale(1.08);
  box-shadow: 0 10px 20px hsla(var(--hue), 100%, 45%, .35);
}

/* ---------- buttons: shine sweep ---------- */
.button {
  position: relative;
  overflow: hidden;
  transition: box-shadow .4s ease, transform .3s ease;
}
.button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, transparent, hsla(0,0%,100%,.45), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
}
.button:hover::before {
  left: 125%;
}
.button:hover {
  transform: translateY(-3px);
}
.button--ghost:hover {
  transform: translateY(-3px);
}

/* ---------- about image: gentle float ---------- */
.about__image {
  animation: floatSoft 6s ease-in-out infinite;
}
@keyframes floatSoft {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

/* ---------- skills ---------- */
.skills__item {
  position: relative;
  transition: transform .3s ease, color .3s ease;
  padding-left: .25rem;
}
.skills__item:hover {
  color: var(--first-color);
  transform: translateX(8px);
}

/* ---------- services cards: spotlight + lift ---------- */
.services__card {
  position: relative;
  overflow: hidden;
  transition: transform .4s cubic-bezier(.22,.9,.3,1), border-color .4s ease, box-shadow .4s ease;
}
.services__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%),
              hsla(var(--hue), 100%, 55%, .16), transparent 65%);
  opacity: 0;
  transition: opacity .4s ease;
  pointer-events: none;
}
.services__card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px hsla(228, 15%, 4%, .45);
}
.services__card:hover::before {
  opacity: 1;
}
.services__icon {
  transition: transform .45s cubic-bezier(.34,1.56,.64,1), color .4s ease;
}
.services__card:hover .services__icon {
  transform: scale(1.15) rotate(-6deg);
}

/* ---------- project cards ---------- */
.projects__card {
  position: relative;
  transition: transform .4s cubic-bezier(.22,.9,.3,1), box-shadow .4s ease;
}
.projects__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 44px hsla(228, 15%, 4%, .5);
}
.projects__img {
  transition: transform .6s ease;
}
.projects__card:hover .projects__img {
  transform: scale(1.08);
}
.projects__modal {
  transition: bottom .45s cubic-bezier(.22,.9,.3,1);
}
.projects__button {
  position: relative;
}
.projects__button i {
  transition: transform .35s ease;
}
.projects__button:hover i {
  transform: translateX(4px);
}

/* ---------- contact form ---------- */
.contact__input {
  transition: box-shadow .35s ease, transform .25s ease;
  border: 1px solid transparent;
}
.contact__input:focus {
  box-shadow: 0 0 0 3px hsla(var(--hue), 100%, 50%, .25);
  border-color: var(--first-color);
}
.contact__button {
  transition: transform .3s ease, box-shadow .4s ease;
}
.contact__button:hover {
  transform: translateY(-3px) scale(1.02);
}

/* ---------- scroll up button ---------- */
.scrollup {
  background-color: var(--container-color);
  transition: bottom .4s ease, transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .35s ease;
}
.scrollup:hover {
  transform: translateY(-6px) scale(1.08);
  box-shadow: 0 8px 20px hsla(var(--hue), 100%, 45%, .4);
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}