:root {
  --bg-color: #0e0e0e; /* ← change this one value to retheme the whole page */
}

html {
  scroll-behavior: smooth;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: #202020;
  min-height: 100vh;
}

/* Remove default focus outline on headings focused by FocusOnNavigate */
h1:focus, h2:focus, h3:focus, h4:focus, h5:focus, h6:focus {
  outline: none;
}

/* ===== Intro Overlay ===== */
.intro-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  pointer-events: none;
  /* Solid bg = any subpixel gap between tiles shows this, not the page */
  background-color: #111111;
}

.intro-overlay.intro-done {
  animation: overlayFadeOut 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ===== 10 Vertical Column Tiles ===== */
.grid-columns-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  z-index: 10000;
  pointer-events: none;
  gap: 0;
}

.intro-tile {
  /* Extend tiles by 1px on each side to close any subpixel seams */
  background-color: #111111;
  height: 100vh;
  width: calc(100% + 1px);
  margin-left: -0.5px;
  transform-origin: top center;
  animation: tileSlideUp 0.9s cubic-bezier(0.76, 0, 0.24, 1) forwards;
  animation-delay: calc(2.0s + (var(--tile-i) * 0.1s));
}

/* ===== Name Text ===== */
#Intro {
  color: rgb(220, 220, 220);
  letter-spacing: 0.009em;
  text-align: center;
  position: relative;
  z-index: 10001;
  padding: 0 1rem;
}

#Intro h1 {
  margin: 0;
  font-size: 6em;
  line-height: 1.1;
  overflow: visible;
  animation: textFadeOut 0.5s cubic-bezier(0.4, 0, 1, 1) forwards;
  animation-delay: 1.8s;
}

/* Each name group: JEEVAN / ABHILASH — inline on desktop */
.name-line {
  display: inline-block;
}

/* Space between first and last name on desktop */
.name-line + .name-line::before {
  content: "\00a0"; /* non-breaking space */
}

/* Individual letter spans */
.name-line > span {
  display: inline-block;
  opacity: 0;
  animation: staggeredTextTransition 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  animation-delay: calc(var(--i) * 0.05s);
}

/* ===== Responsive — Smartphones (≤600px) ===== */
@media (max-width: 600px) {
  #Intro h1 {
    font-size: 3em;
  }

  /* Stack names on separate lines */
  .name-line {
    display: block;
  }

  /* Remove the pseudo-space on mobile */
  .name-line + .name-line::before {
    content: none;
  }

  /* Fewer, wider tiles on mobile — less chance of visible seams */
  .grid-columns-layer {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* ===== Responsive — Tablets (601px–900px) ===== */
@media (min-width: 601px) and (max-width: 900px) {
  #Intro h1 {
    font-size: 4.5em;
  }
}

/* ===== Keyframes ===== */

@keyframes staggeredTextTransition {
  from {
    opacity: 0;
    transform: translateY(100%) scale(0.85);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0px);
  }
}

@keyframes textFadeOut {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0px);
  }
  100% {
    opacity: 0;
    transform: translateY(-12%) scale(0.96);
    filter: blur(6px);
  }
}

@keyframes tileSlideUp {
  0% {
    transform: translateY(0%);
    opacity: 1;
  }
  15% {
    transform: translateY(-2%);
    opacity: 1;
  }
  100% {
    transform: translateY(-110%);
    opacity: 0;
  }
}

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

/* ===== Scroll-Driven Reveal Animations ===== */
@supports (animation-timeline: view()) {
  @keyframes revealOnScroll {
    from {
      opacity: 0;
      transform: translateY(80px) scale(0.96);
      filter: blur(4px);
    }
    to {
      opacity: 1;
      transform: translateY(0) scale(1);
      filter: blur(0px);
    }
  }

  .reveal-on-scroll {
    animation: revealOnScroll linear both;
    animation-timeline: view();
    animation-range: entry 5% cover 28%;
  }
}