/* ──────────────────────────────────────────────────────
   DEPARTURE — Scroll-driven plane takeoff
   ────────────────────────────────────────────────────── */

:root {
  --ink:     #f4f7ff;
  --ink-dim: rgba(244, 247, 255, 0.6);
  --accent:  #7ec8ff;
  --warm:    #ffb877;
  --rail:    rgba(255, 255, 255, 0.12);

  /* Sky stops — JS overrides these as t advances */
  --sky-top:    #0a0e2e;
  --sky-mid:    #1a1f4a;
  --sky-bottom: #2c2350;
  --sun-color:  rgba(255, 184, 119, 0);
  --horizon-glow: rgba(255, 120, 80, 0);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: #05060f;
  color: var(--ink);
  overflow-x: hidden;
  font-weight: 300;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Top chrome (fixed) ──────────────────────────────── */
.chrome {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 36px;
  padding-right: 320px;   /* keep metadata clear of the profile CTAs */
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink);
  pointer-events: none;
  mix-blend-mode: difference;
  text-transform: uppercase;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 13px;
}
.brand-mark { color: var(--accent); font-size: 18px; line-height: 1; }
.chrome-meta { display: flex; gap: 10px; color: var(--ink); }
.dot-sep { opacity: 0.5; }

/* ── Scroll hint ──────────────────────────────────── */
.scroll-indicator {
  position: fixed;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex; flex-direction: column;
  gap: 10px; align-items: center;
  color: var(--ink);
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.3em;
  mix-blend-mode: difference;
  transition: opacity 0.6s ease;
  pointer-events: none;
}
.scroll-indicator.gone { opacity: 0; }

/* ── Progress rail (top) ─────────────────────────── */
.progress-rail {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--rail);
  z-index: 70;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--warm));
  box-shadow: 0 0 12px var(--accent);
  transition: width 0.05s linear;
}

/* ── Phase rail (right side) ─────────────────────── */
.phase-rail {
  position: fixed;
  top: 50%;
  right: 32px;
  transform: translateY(-50%);
  z-index: 55;
  display: flex; flex-direction: column;
  gap: 14px;
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--ink-dim);
  mix-blend-mode: difference;
}
.phase-tick {
  display: flex; align-items: center; gap: 10px;
  justify-content: flex-end;
  transition: all 0.3s ease;
  opacity: 0.4;
}
.phase-tick::after {
  content: '';
  width: 18px; height: 1px;
  background: currentColor;
  transition: all 0.3s ease;
}
.phase-tick.active {
  opacity: 1;
  color: var(--ink);
}
.phase-tick.active::after {
  width: 36px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.phase-tick span { white-space: nowrap; }

/* ── Scroll track ────────────────────────────────── */
.track {
  position: relative;
  height: 600vh;   /* 6 viewports of scroll */
}

/* ── Sticky cinematic scene ──────────────────────── */
.scene {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: #05060f;
}

/* ── Sky background (interpolated by JS) ─────────── */
.sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--sky-top) 0%,
    var(--sky-mid) 50%,
    var(--sky-bottom) 100%
  );
  transition: filter 0.4s ease;
  will-change: background;
}

/* ── Stars (canvas) ──────────────────────────────── */
.stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

/* ── Sun / horizon glow ──────────────────────────── */
.sun {
  position: absolute;
  left: 50%;
  top: 65%;
  width: 600px;
  height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle at center,
    var(--sun-color) 0%,
    rgba(255, 120, 80, 0) 40%,
    transparent 70%
  );
  filter: blur(8px);
  pointer-events: none;
  transition: top 0.4s ease;
  will-change: top;
}

/* ── Horizon (mountains) ─────────────────────────── */
.horizon {
  position: absolute;
  bottom: 25%;
  left: -5%;
  right: -5%;
  height: 14vh;
  pointer-events: none;
  transition: bottom 0.05s linear, opacity 0.4s;
  will-change: bottom, opacity;
}
.horizon svg { width: 100%; height: 100%; display: block; }

/* ── Cloud bands ─────────────────────────────────── */
.cloud-band {
  position: absolute;
  left: -20%;
  right: -20%;
  pointer-events: none;
  will-change: transform;
}
.band-far  { top: 25%; height: 22vh; opacity: 0.55; }
.band-mid  { top: 35%; height: 30vh; opacity: 0.75; }
.band-near { top: 50%; height: 38vh; opacity: 0.9;  }

/* Clouds are SVG injected by JS for variety */
.cloud {
  position: absolute;
  filter: blur(1px);
}

/* ── Ground ──────────────────────────────────────── */
.ground {
  position: absolute;
  left: 0; right: 0;
  bottom: 0;
  height: 25vh;
  background:
    linear-gradient(180deg,
      rgba(45, 40, 70, 0.3) 0%,
      rgba(18, 15, 30, 0.95) 35%,
      rgba(8, 8, 18, 1) 100%);
  border-top: 1px solid rgba(120, 140, 200, 0.15);
  transform-origin: 50% 0%;
  will-change: transform, opacity;
  transition: opacity 0.4s ease;
}

/* Runway (sits on ground) */
.runway {
  position: absolute;
  left: -10%; right: -10%;
  top: 35%;
  height: 26%;
  perspective: 400px;
  transform-style: preserve-3d;
}
.runway::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      rgba(30, 32, 42, 1) 0%,
      rgba(20, 22, 30, 1) 100%);
  transform: rotateX(64deg);
  transform-origin: 50% 100%;
  box-shadow:
    inset 0 0 80px rgba(0, 0, 0, 0.6),
    0 -2px 12px rgba(120, 150, 220, 0.1);
}
.runway-edge {
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,220,150,0.6) 20%, rgba(255,220,150,0.6) 80%, transparent);
  z-index: 2;
  pointer-events: none;
}
.edge-top    { top: 0; box-shadow: 0 0 8px rgba(255,220,150,0.5); }
.edge-bottom { bottom: 0; box-shadow: 0 0 12px rgba(255,220,150,0.7); }
.runway-stripes {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(90deg,
      transparent 0,
      transparent 40px,
      rgba(255,245,180,0.85) 40px,
      rgba(255,245,180,0.85) 120px);
  background-size: 160px 100%;
  transform: rotateX(64deg);
  transform-origin: 50% 100%;
  mix-blend-mode: screen;
  mask-image: linear-gradient(180deg, transparent 0%, black 35%, black 100%);
  will-change: background-position;
}

/* Speed streaks */
.streaks {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

/* ── Plane ───────────────────────────────────────── */
.plane-wrap {
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  perspective: 900px;
  will-change: transform;
}
.plane {
  position: absolute;
  /* Aligned to the runway surface (about 82% from top of viewport). */
  left: 50%;
  top: 82%;
  width: 520px;
  height: 220px;
  transform-origin: 60% 50%;
  transform: translate(-65%, -50%) rotate(0deg);
  will-change: transform;
  filter: drop-shadow(0 24px 24px rgba(0, 0, 0, 0.5));
  transition: filter 0.5s;
}
.plane-svg {
  width: 100%; height: 100%;
  display: block;
  overflow: visible;
}

/* Gear retracts */
.gear {
  transform-origin: center 8px;
  transition: transform 0.5s cubic-bezier(0.5, 0, 0.5, 1), opacity 0.4s;
}
.gear.retracted {
  transform: translateY(-12px) scaleY(0.1);
  opacity: 0;
}

/* Strobe */
.strobe {
  opacity: 0;
  animation: strobe-flash 1.8s steps(2, end) infinite;
}
@keyframes strobe-flash {
  0%, 90%, 95%, 100% { opacity: 0; }
  92%, 97% { opacity: 1; }
}

/* Engine exhaust */
.exhaust {
  position: absolute;
  left: 6%;      /* behind engine */
  top: 64%;
  width: 0;      /* JS scales this */
  height: 14px;
  background: linear-gradient(
    90deg,
    rgba(255, 220, 160, 0.0) 0%,
    rgba(255, 200, 120, 0.4) 20%,
    rgba(180, 200, 255, 0.55) 60%,
    rgba(180, 200, 255, 0) 100%);
  filter: blur(4px);
  transform-origin: right center;
  transform: translateX(-100%);
  transition: width 0.25s ease, opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}

/* ── Hero text overlays ──────────────────────────── */
.hero-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 20;
}
.hero-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg,
    rgba(5, 6, 15, 0.55) 0%,
    rgba(5, 6, 15, 0.30) 25%,
    rgba(5, 6, 15, 0.10) 45%,
    transparent 60%);
  pointer-events: none;
}
.hero-text {
  position: absolute;
  left: 8vw;
  top: 18vh;
  max-width: 520px;
  pointer-events: auto;
  user-select: text;
  -webkit-user-select: text;
  opacity: 0;
  transform: translateY(20px);
  will-change: opacity, transform;
  /* opacity & translateY driven directly from JS scroll-t (see setHero) */
}
.hero-eyebrow {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--accent);
  margin-bottom: 18px;
  text-transform: uppercase;
}
.hero-title {
  font-family: 'Instrument Serif', 'Playfair Display', Georgia, serif;
  font-size: clamp(46px, 7.4vw, 104px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.005em;
  color: var(--ink);
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
  margin-bottom: 14px;
}
/* When the title has explicit line breaks (<br>), let it size to its
   longest line on desktop so it doesn't auto-wrap into more lines.
   max-width overrides the .hero-text parent constraint (520px). */
@media (min-width: 720px) {
  .hero-title {
    width: max-content;
    max-width: min(90vw, 1100px);
  }
}
.hero-sub {
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
  opacity: 1;
}
.hero-text[data-phase="0"] .hero-sub { margin-bottom: 10px; }
.intro-email {
  display: inline-flex;
  align-items: center;
  margin-bottom: 18px;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(244, 247, 255, 0.82);
  text-decoration-color: rgba(126, 200, 255, 0.45);
  text-underline-offset: 4px;
  pointer-events: auto;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}
.intro-email:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}
.hero-body {
  font-family: 'Inter', sans-serif;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 300;
  color: rgba(244, 247, 255, 0.85);
  max-width: 460px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
  margin-bottom: 18px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(125, 200, 255, 0.08);
  border: 1px solid rgba(125, 200, 255, 0.3);
  padding: 5px 10px;
  border-radius: 999px;
  white-space: nowrap;
}
.tag-link {
  pointer-events: auto;
  text-decoration: none;
  background: rgba(255, 184, 119, 0.1);
  border-color: rgba(255, 184, 119, 0.4);
  color: var(--warm);
  transition: all 0.2s ease;
}
.tag-link:hover {
  background: rgba(255, 184, 119, 0.2);
  border-color: var(--warm);
  transform: translateY(-1px);
}
/* Projects phase keeps slightly tighter spacing above the cards. */
.hero-text.is-stack .hero-title {
  margin-bottom: 10px;
}
.hero-text.is-stack .hero-sub {
  margin-bottom: 20px;
}

/* ── Project stack ─────────────────────────────── */
.project-stack {
  display: grid;
  gap: 10px;
  max-width: 540px;
  pointer-events: auto;
}
.project-card {
  display: block;
  padding: 12px 16px;
  background: rgba(125, 200, 255, 0.06);
  border: 1px solid rgba(125, 200, 255, 0.20);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  backdrop-filter: blur(2px);
  transition: all 0.2s ease;
}
.project-card:hover {
  background: rgba(125, 200, 255, 0.14);
  border-color: var(--accent);
  border-left-color: var(--warm);
  transform: translateX(4px);
}
.project-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 4px;
}
.project-card-name {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
}
.project-card-arrow {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  color: var(--accent);
  transition: transform 0.2s ease;
}
.project-card:hover .project-card-arrow {
  transform: translate(3px, -3px);
  color: var(--warm);
}
.project-card-desc {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 300;
  color: rgba(244, 247, 255, 0.72);
  margin-bottom: 8px;
}
.project-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.project-card-tags .tag {
  font-size: 9px;
  padding: 3px 8px;
  letter-spacing: 0.08em;
}

/* Cinema strip — 5 portrait tiles in a row */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  max-width: 640px;
  margin-top: 8px;
  pointer-events: auto;
}
.photo {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0;
  cursor: pointer;
}
.photo-frame {
  aspect-ratio: 3 / 4;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(125,200,255,0.18), rgba(255,184,119,0.18)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0 6px, transparent 6px 12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all 0.2s ease;
}
.photo:hover .photo-frame {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: translateZ(0);
  backface-visibility: hidden;
}
.photo figcaption {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 247, 255, 0.72);
  text-align: center;
  line-height: 1.3;
  padding: 0 2px;
}

/* ── Profile CTAs ───────────────────────────────── */
.top-actions {
  position: fixed;
  top: 18px;
  right: 24px;
  z-index: 65;
  display: flex;
  align-items: center;
  gap: 8px;
}
.resume-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px 9px 16px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: rgba(5, 6, 15, 0.45);
  border: 1px solid rgba(125, 200, 255, 0.35);
  border-radius: 999px;
  backdrop-filter: blur(10px);
  transition: all 0.2s ease;
}
.resume-link:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(125, 200, 255, 0.12);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(125, 200, 255, 0.18);
}
.resume-link svg { transition: transform 0.2s ease; }
.resume-link:hover svg { transform: translate(1px, -1px); }

/* ── Vignette ───────────────────────────────────── */
.vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    transparent 40%,
    rgba(0, 0, 0, 0.4) 100%);
  z-index: 25;
}

/* ── Responsive ─────────────────────────────────── */
@media (max-width: 720px) {
  .phase-rail { display: none; }
  .chrome { padding: 14px 16px; padding-right: 220px; font-size: 10px; }
  .chrome-meta { display: none; } /* save space on mobile, phase still shown via hero */
  .top-actions { top: 12px; right: 12px; gap: 6px; }
  .resume-link {
    padding: 7px 11px 7px 13px;
    font-size: 9px;
    letter-spacing: 0.14em;
  }
  .hero-text { left: 6vw; right: 6vw; top: 14vh; max-width: none; }
  .hero-eyebrow { font-size: 10px; margin-bottom: 12px; }
  .hero-body { font-size: 14px; max-width: 100%; }
  .photo-grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: min(42vw, 156px);
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding: 3px 2px 10px;
    scroll-snap-type: inline mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .photo-grid::-webkit-scrollbar { display: none; }
  .photo { scroll-snap-align: start; }
  .plane { width: 320px; height: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .strobe { animation: none; opacity: 0.4; }
}