/* ============================================================
   prototypic.dev — Y2K futurism, dreamy-ethereal
   Coastal blend palette, serif-classic typography, sci-fi HUD
   ============================================================ */

:root {
  --sky-wash: #88B4C8;
  --sand-warm: #C8A87B;
  --drift-white: #F5F0E8;
  --tide-gray: #6B7B8B;
  --hud-cyan: #5CC8E8;
  --vintage-umber: #8B7355;
  --deep-ocean: #2C4054;

  --serif-display: "Playfair Display", "Lora", Georgia, serif;
  --serif-body: "Lora", Georgia, serif;
  --mono-hud: "Share Tech Mono", "Courier New", monospace;

  --photo-mount: var(--drift-white);
  --photo-edge: var(--vintage-umber);

  --max-content: 640px;
  --vintage-filter: sepia(0.25) contrast(0.9) brightness(1.05) saturate(0.8);
}

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

html, body {
  background: var(--drift-white);
  color: var(--tide-gray);
  font-family: var(--serif-body);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  position: relative;
  background:
    linear-gradient(180deg,
      #88B4C8 0%,
      #A4BDC4 14%,
      #C8A87B 32%,
      #DEC9A6 50%,
      #F5F0E8 70%,
      #C8A87B 88%,
      #2C4054 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

em, i { font-style: italic; }
strong, b { font-weight: 700; color: var(--deep-ocean); }

/* ============================================================
   HUD overlay — persistent sci-fi viewing frame
   ============================================================ */
.hud-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hud-overlay.is-visible { opacity: 0.3; }

.hud-svg {
  position: absolute;
  inset: 12px;
  width: calc(100% - 24px);
  height: calc(100% - 24px);
  fill: none;
  stroke: var(--hud-cyan);
  stroke-width: 0.18;
}
.hud-arc { fill: none; stroke: var(--hud-cyan); stroke-width: 0.4; vector-effect: non-scaling-stroke; }

.hud-readout {
  position: absolute;
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hud-cyan);
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.2;
}
.hud-readout .hud-label { opacity: 0.65; }
.hud-readout .hud-value { font-weight: 400; }

.hud-tl { top: 24px; left: 28px; }
.hud-tr { top: 24px; right: 28px; align-items: flex-end; }
.hud-bl { bottom: 24px; left: 28px; }
.hud-br { bottom: 24px; right: 28px; align-items: flex-end; }

.hud-edge {
  position: absolute;
  left: 50%;
  width: 220px;
  height: 1px;
  background: var(--hud-cyan);
  opacity: 0.45;
  transform: translateX(-50%);
}
.hud-edge-top { top: 18px; }
.hud-edge-bottom { bottom: 18px; }

@keyframes hud-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 0.95; }
}
.hud-readout .hud-value { animation: hud-pulse 2.4s ease-in-out infinite; }

/* ============================================================
   Time Capsule Opening
   ============================================================ */
.capsule {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 96px 24px 64px;
  position: relative;
  text-align: center;
  background: linear-gradient(170deg, rgba(136,180,200,0.92) 0%, rgba(200,168,123,0.78) 100%);
}

.capsule::before {
  content: "";
  position: absolute;
  inset: 32px;
  border: 1px solid rgba(245,240,232,0.35);
  pointer-events: none;
}
.capsule::after {
  content: "";
  position: absolute;
  inset: 40px;
  border: 1px solid rgba(92,200,232,0.2);
  pointer-events: none;
}

.capsule-inner {
  position: relative;
  max-width: 760px;
  z-index: 2;
}

.capsule-eyebrow {
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--drift-white);
  opacity: 0.75;
  margin-bottom: 32px;
}

.wordmark {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: clamp(44px, 8vw, 96px);
  color: var(--drift-white);
  letter-spacing: -0.01em;
  line-height: 1.05;
  text-shadow: 0 2px 18px rgba(44,64,84,0.18);
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}
.wordmark-text { white-space: pre; }

.cursor {
  display: inline-block;
  font-family: var(--serif-display);
  font-weight: 400;
  color: var(--drift-white);
  margin-left: 2px;
  animation: cursor-blink 1.05s steps(2, start) infinite;
}
@keyframes cursor-blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}
.cursor.is-hidden { animation: none; opacity: 0; }

.capsule-subtitle {
  font-family: var(--serif-body);
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--drift-white);
  opacity: 0.92;
  margin-top: 28px;
  font-weight: 400;
}

.capsule-meta {
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--drift-white);
  opacity: 0.7;
  margin-top: 44px;
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.scroll-hint {
  position: absolute;
  bottom: 56px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--drift-white);
  opacity: 0.7;
  z-index: 2;
}
.scroll-hint-text {
  font-family: var(--mono-hud);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.scroll-hint-line {
  width: 1px;
  height: 56px;
  background: var(--drift-white);
  animation: hint-drop 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes hint-drop {
  0% { transform: scaleY(0); opacity: 0.4; }
  60% { transform: scaleY(1); opacity: 0.9; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* ============================================================
   Section primitives
   ============================================================ */
.kicker {
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--vintage-umber);
  margin-bottom: 14px;
}

.section-heading {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 52px);
  color: var(--deep-ocean);
  letter-spacing: -0.005em;
  line-height: 1.1;
  margin-bottom: 18px;
}

.section-heading .typed-cursor {
  display: inline-block;
  width: 2px;
  height: 0.95em;
  background: var(--tide-gray);
  margin-left: 4px;
  vertical-align: -0.08em;
  animation: cursor-blink 1.05s steps(2, start) infinite;
}
.section-heading .typed-cursor.is-hidden { animation: none; opacity: 0; }

/* ============================================================
   Archive Gallery
   ============================================================ */
.archive {
  padding: 120px 24px 80px;
  background: linear-gradient(180deg, rgba(245,240,232,0.0) 0%, rgba(245,240,232,0.96) 18%, rgba(245,240,232,0.96) 100%);
}

.archive-header {
  max-width: var(--max-content);
  margin: 0 auto 64px;
  text-align: center;
}
.archive-lede {
  margin-top: 14px;
  color: var(--tide-gray);
  font-size: clamp(15px, 1.4vw, 17px);
}

.entry {
  max-width: var(--max-content);
  margin: 0 auto 96px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.entry-mount {
  background: var(--photo-mount);
  padding: 12px 12px 24px;
  border: 1px solid var(--photo-edge);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08), 0 14px 32px -18px rgba(44,64,84,0.25);
  position: relative;
  transform: rotate(-0.5deg);
  transition: transform 0.6s ease, box-shadow 0.6s ease;
}
.entry:nth-child(even) .entry-mount { transform: rotate(0.6deg); }
.entry-mount.is-visible { transform: rotate(0deg); }
.entry-mount.is-visible { box-shadow: 0 4px 14px rgba(0,0,0,0.10), 0 22px 44px -22px rgba(44,64,84,0.32); }

.entry-photo {
  width: 100%;
  aspect-ratio: 16 / 10;
  filter: var(--vintage-filter);
  position: relative;
  overflow: hidden;
}
.entry-photo-fade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 25%, rgba(245,240,232,0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(44,64,84,0.18) 0%, transparent 60%);
  mix-blend-mode: overlay;
}

.entry-photo-aqua {
  background:
    radial-gradient(circle at 30% 35%, rgba(245,240,232,0.85) 0%, rgba(136,180,200,0.85) 18%, rgba(92,200,232,0.45) 38%, rgba(44,64,84,0.85) 95%),
    linear-gradient(135deg, #5CC8E8 0%, #88B4C8 40%, #2C4054 100%);
}
.entry-photo-cd {
  background:
    conic-gradient(from 220deg at 50% 50%,
      rgba(136,180,200,0.85) 0deg,
      rgba(200,168,123,0.85) 60deg,
      rgba(92,200,232,0.85) 120deg,
      rgba(245,240,232,0.95) 180deg,
      rgba(139,115,85,0.85) 240deg,
      rgba(136,180,200,0.85) 300deg,
      rgba(136,180,200,0.85) 360deg);
}
.entry-photo-steam {
  background:
    radial-gradient(circle at 50% 60%, rgba(200,168,123,0.95) 0%, rgba(139,115,85,0.85) 35%, rgba(44,64,84,0.85) 100%),
    linear-gradient(180deg, rgba(200,168,123,0.6), rgba(44,64,84,0.6));
}
.entry-photo-grid {
  background:
    linear-gradient(180deg, rgba(136,180,200,0.55), rgba(245,240,232,0.85)),
    repeating-linear-gradient(0deg, rgba(44,64,84,0.18) 0 1px, transparent 1px 36px),
    repeating-linear-gradient(90deg, rgba(44,64,84,0.18) 0 1px, transparent 1px 36px),
    var(--sky-wash);
}

.entry-caption {
  margin-top: 14px;
  font-family: var(--serif-display);
  font-style: italic;
  font-weight: 400;
  font-size: 14px;
  color: var(--vintage-umber);
  text-align: center;
  letter-spacing: 0.03em;
}

.entry-body {
  padding: 0 8px;
}
.entry-stamp {
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--vintage-umber);
  margin-bottom: 12px;
  opacity: 0.85;
}
.entry-heading {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 34px);
  color: var(--deep-ocean);
  margin-bottom: 14px;
  line-height: 1.18;
}
.entry-body p + p { margin-top: 14px; }

/* Typewriter struck flash on each character */
.typed-char {
  display: inline-block;
  animation: char-strike 0.18s ease-out forwards;
}
@keyframes char-strike {
  0% { opacity: 0.0; }
  40% { opacity: 0.8; }
  100% { opacity: 1.0; }
}

/* ============================================================
   Vintage Photography Showcase strip
   ============================================================ */
.strip {
  padding: 96px 0 80px;
  background:
    linear-gradient(180deg, rgba(245,240,232,1) 0%, rgba(136,180,200,0.18) 50%, rgba(245,240,232,1) 100%);
  position: relative;
}

.strip-header {
  max-width: 760px;
  margin: 0 auto 44px;
  padding: 0 24px;
  text-align: center;
}
.strip-lede {
  margin-top: 12px;
  color: var(--tide-gray);
  font-size: clamp(15px, 1.4vw, 17px);
}

.strip-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 40px;
  scrollbar-color: var(--vintage-umber) transparent;
}

.plate {
  flex: 0 0 320px;
  scroll-snap-align: center;
  margin: 0;
}
.plate-frame {
  background: var(--photo-mount);
  padding: 12px 12px 28px;
  border: 1px solid var(--photo-edge);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08), 0 18px 40px -22px rgba(44,64,84,0.32);
  transform: rotate(-0.8deg);
  transition: transform 0.4s ease;
}
.plate:nth-child(even) .plate-frame { transform: rotate(1deg); }
.plate:nth-child(3n) .plate-frame { transform: rotate(-0.4deg); }
.plate-image {
  width: 100%;
  aspect-ratio: 4 / 3;
  filter: var(--vintage-filter) blur(0.4px);
}

.plate-image-1 { background: linear-gradient(135deg, #5CC8E8 0%, #88B4C8 50%, #F5F0E8 100%); }
.plate-image-2 {
  background:
    repeating-linear-gradient(90deg, rgba(245,240,232,0.55) 0 1px, transparent 1px 22px),
    linear-gradient(180deg, #88B4C8 0%, #C8A87B 100%);
}
.plate-image-3 {
  background:
    radial-gradient(circle at 20% 20%, rgba(92,200,232,0.55) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(92,200,232,0.55) 0%, transparent 40%),
    #2C4054;
}
.plate-image-4 {
  background:
    radial-gradient(ellipse at 50% 60%, rgba(200,168,123,0.95) 0%, rgba(139,115,85,0.85) 40%, rgba(44,64,84,0.7) 100%);
}
.plate-image-5 {
  background:
    repeating-linear-gradient(0deg, rgba(44,64,84,0.18) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(44,64,84,0.18) 0 1px, transparent 1px 28px),
    linear-gradient(180deg, #C8A87B, #F5F0E8);
}
.plate-image-6 {
  background:
    conic-gradient(from 90deg at 50% 50%,
      #88B4C8, #C8A87B, #5CC8E8, #F5F0E8, #8B7355, #88B4C8);
}
.plate-image-7 {
  background:
    radial-gradient(circle at 30% 40%, rgba(92,200,232,0.85) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(200,168,123,0.85) 0%, transparent 50%),
    linear-gradient(180deg, #F5F0E8, #88B4C8);
}

.plate figcaption {
  margin-top: 14px;
  text-align: center;
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 13px;
  color: var(--vintage-umber);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.plate-no {
  font-family: var(--mono-hud);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--vintage-umber);
  opacity: 0.75;
}

.strip-rule {
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: 760px;
  margin: 24px auto 0;
  padding: 0 24px;
}
.strip-rule-line {
  flex: 1;
  height: 1px;
  background: var(--vintage-umber);
  opacity: 0.5;
}
.strip-rule-tick {
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--vintage-umber);
  opacity: 0.85;
}

/* ============================================================
   Field Notes
   ============================================================ */
.notes {
  padding: 96px 24px 80px;
  background: rgba(245,240,232,0.96);
}

.notes-header {
  max-width: var(--max-content);
  margin: 0 auto 48px;
  text-align: center;
}

.notes-grid {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.note {
  background: var(--drift-white);
  border: 1px solid rgba(139,115,85,0.35);
  border-top-width: 3px;
  border-top-color: var(--vintage-umber);
  padding: 22px 22px 26px;
  position: relative;
  font-size: 15px;
  color: var(--tide-gray);
  line-height: 1.7;
}
.note-mark {
  font-family: var(--serif-display);
  font-size: 28px;
  color: var(--vintage-umber);
  margin-bottom: 10px;
  line-height: 1;
}

@media (max-width: 720px) {
  .notes-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 96px 24px 64px;
  background: linear-gradient(180deg, rgba(44,64,84,0.95) 0%, #2C4054 100%);
  color: var(--drift-white);
}

.footer-frame {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  border: 1px solid rgba(245,240,232,0.18);
  padding: 56px 28px 44px;
  position: relative;
}
.footer-frame::before, .footer-frame::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--hud-cyan);
  opacity: 0.45;
}
.footer-frame::before { top: -8px; left: -8px; border-right: 0; border-bottom: 0; }
.footer-frame::after { bottom: -8px; right: -8px; border-left: 0; border-top: 0; }

.footer-block { margin-bottom: 26px; }
.footer-title {
  font-family: var(--serif-display);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 44px);
  color: var(--drift-white);
  margin-bottom: 8px;
}
.footer-sub {
  font-size: 15px;
  color: var(--drift-white);
  opacity: 0.78;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 22px 0 26px;
  font-family: var(--mono-hud);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--drift-white);
  opacity: 0.78;
}
.footer-label { color: var(--hud-cyan); opacity: 0.85; }

.footer-rule {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}
.footer-rule-line {
  flex: 1;
  height: 1px;
  background: var(--drift-white);
  opacity: 0.3;
}
.footer-rule-text {
  font-family: var(--mono-hud);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--drift-white);
  opacity: 0.65;
}

/* ============================================================
   Reveal-on-scroll for entries
   ============================================================ */
.entry-mount, .plate-frame, .note {
  opacity: 0;
  transform: translateY(20px) rotate(var(--rot, 0deg));
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.entry-mount.is-visible, .plate-frame.is-visible, .note.is-visible {
  opacity: 1;
  transform: translateY(0) rotate(0deg);
}

/* Scrollbar tinting for the strip */
.strip-track::-webkit-scrollbar { height: 8px; }
.strip-track::-webkit-scrollbar-thumb { background: var(--vintage-umber); border-radius: 4px; }
.strip-track::-webkit-scrollbar-track { background: transparent; }

/* Responsive */
@media (max-width: 600px) {
  .capsule { padding: 80px 18px 56px; }
  .capsule::before { inset: 18px; }
  .capsule::after { inset: 24px; }
  .archive { padding: 96px 18px 64px; }
  .strip-track { padding: 28px 18px; }
  .plate { flex-basis: 260px; }
  .footer-frame { padding: 44px 20px 32px; }
  .hud-readout { font-size: 9.5px; }
  .hud-tl, .hud-tr { top: 12px; }
  .hud-bl, .hud-br { bottom: 12px; }
}