/* ==========================================================================
   GAYA OVERLAY SAMBUTAN (css/intro.css)
   Default tersembunyi (display: none) agar aman bila JS gagal dimuat.
   Ditampilkan hanya jika <html class="has-intro"> ditambahkan oleh JS.
   ========================================================================== */
.intro-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background-color: var(--bg);
  color: var(--text);
  align-items: center;
  justify-content: center;
  padding: 24px;
  user-select: none;
  transition: transform 0.5s var(--ease-out), opacity 0.5s var(--ease-out);
  will-change: transform, opacity;
}

html.has-intro .intro-overlay {
  display: flex;
}

html.has-intro,
html.has-intro body {
  overflow: hidden;
}

/* 2.1s - 2.6s: Overlay terangkat & memudar membuka portofolio (500ms) */
.intro-overlay.is-closing {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.intro-center {
  width: 100%;
  max-width: 680px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 0.6s - 1.4s: Kalimat salam muncul kata demi kata (naik 12px + pudar, jeda 70ms) */
.intro-greeting {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 500;
  color: var(--muted);
  margin-bottom: 0.65rem;
  min-height: 1.6em;
}

.intro-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(12px);
  margin-right: 0.28em;
  transition: opacity 0.38s var(--ease-out), transform 0.38s var(--ease-out);
}

.intro-word:last-child {
  margin-right: 0;
}

.intro-overlay.step-words .intro-word {
  opacity: 1;
  transform: translateY(0);
}

/* 1.3s - 1.8s: Nama muncul (besar, bobot 800) */
.intro-name {
  font-size: clamp(1.85rem, 5.2vw, 3.35rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 1.1rem;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.48s var(--ease-out), transform 0.48s var(--ease-out);
}

.intro-overlay.step-name .intro-name {
  opacity: 1;
  transform: translateY(0);
}

/* 0.3s - 0.9s: Garis emas 1px menyapu dari kiri ke kanan dengan titik playhead */
.intro-timeline-wrap {
  width: 100%;
  max-width: 460px;
  height: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-timeline-line {
  position: relative;
  width: 100%;
  height: 1px;
  background-color: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0;
  transition:
    transform 0.6s var(--ease-out),
    width 0.5s var(--ease-out),
    opacity 0.2s var(--ease-out);
}

.intro-playhead-dot {
  position: absolute;
  right: -4px;
  top: -3.5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
  transition: opacity 0.25s var(--ease-out);
}

.intro-overlay.step-line .intro-timeline-line {
  opacity: 1;
  transform: scaleX(1);
}

/* 1.3s - 1.8s: Garis emas menyusut menjadi garis pendek di bawah nama */
.intro-overlay.step-name .intro-timeline-line {
  opacity: 1;
  transform: scaleX(1);
  width: 72px;
  transform-origin: center;
}

.intro-overlay.step-name .intro-playhead-dot {
  opacity: 0;
}

/* Tombol kecil "Lewati" / "Skip" di pojok kanan bawah */
.intro-skip-btn {
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  min-height: 40px;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background-color: var(--surface);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.intro-skip-btn:active {
  transform: scale(0.98);
}

@media (hover: hover) {
  .intro-skip-btn:hover {
    border-color: var(--accent);
    color: var(--text);
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro-overlay {
    display: none !important;
  }
}