/* =====================================================================
   THE LAST TRAIN — Horror NFT PFP Collection
   Shared horror design system + page styles
   ===================================================================== */

/* ----------------------------  TOKENS  ---------------------------- */
:root {
  --black: #000000;
  --void: #050505;
  --coal: #0b0b0c;
  --ash: #8a8784;
  --bone: #e8e6e3;
  --bone-dim: #b9b6b1;
  --blood: #b3122a;
  --blood-glow: #e01933;
  --blood-deep: #5e0a17;

  --font-display: "Cinzel", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --maxw: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-blood: 0 0 26px rgba(224, 25, 51, 0.45);
}

/* ----------------------------  RESET  ----------------------------- */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--black);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

::selection { background: var(--blood); color: #fff; }

/* Firefox scrollbar */
* { scrollbar-color: var(--blood-deep) var(--black); scrollbar-width: thin; }
/* WebKit scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--blood-deep); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--blood); }

/* ----------------------  GLOBAL FILM GRAIN  ---------------------- */
/* Inline SVG feTurbulence — no binary asset, faint, animated flicker. */
.grain {
  position: fixed;
  inset: -120%;
  z-index: 9000;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  animation: grain-shift 0.6s steps(2) infinite;
  mix-blend-mode: overlay;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-3%, 2%); }
  50%  { transform: translate(2%, -2%); }
  75%  { transform: translate(-2%, -3%); }
  100% { transform: translate(2%, 2%); }
}

/* Soft edge vignette over the whole viewport for depth */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 8000;
  pointer-events: none;
  box-shadow: inset 0 0 220px 60px rgba(0, 0, 0, 0.9);
}

/* ----------------------------  LAYOUT  --------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

section { position: relative; }

.section-pad { padding: clamp(80px, 12vh, 160px) 0; }

/* Eyebrow / kicker label */
.kicker {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--blood-glow);
  font-weight: 600;
  margin-bottom: 18px;
  display: inline-block;
}

h2.title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--bone);
  margin-bottom: 26px;
}

.lede { color: var(--bone-dim); font-size: 1.08rem; max-width: 60ch; }

/* ----------------------------  NAVBAR  --------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 48px);
  transition: background 0.5s var(--ease), backdrop-filter 0.5s var(--ease), padding 0.4s var(--ease);
}
.nav.scrolled {
  background: rgba(3, 3, 3, 0.72);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  padding-top: 14px; padding-bottom: 14px;
  border-bottom: 1px solid rgba(179, 18, 42, 0.18);
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--bone);
}
.brand span { color: var(--blood-glow); }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bone-dim);
  transition: color 0.3s var(--ease);
}
.nav-links a:hover { color: var(--blood-glow); }
.nav-links .nav-cta { color: var(--bone); }
@media (max-width: 720px) { .nav-links .hide-sm { display: none; } }

/* ----------------------------  BUTTONS  -------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border: 1px solid transparent;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
              border-color 0.35s var(--ease), color 0.35s var(--ease);
  will-change: transform;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(180deg, var(--blood-glow), var(--blood));
  color: #fff;
  box-shadow: 0 8px 30px rgba(179, 18, 42, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 40px rgba(224, 25, 51, 0.55); }
/* sheen sweep */
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-18deg);
  transition: left 0.7s var(--ease);
}
.btn-primary:hover::after { left: 140%; }

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(179, 18, 42, 0.55);
  color: var(--bone);
}
.btn-ghost:hover {
  border-color: var(--blood-glow);
  color: #fff;
  box-shadow: var(--shadow-blood);
  background: rgba(179, 18, 42, 0.08);
}

/* ----------------------------  HERO  ----------------------------- */
.hero { position: relative; height: 100vh; min-height: 620px; width: 100%; overflow: hidden; }

.hero-video-wrap { position: absolute; inset: 0; z-index: 0; }
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  /* desaturate + darken the footage for a colder, horror grade */
  filter: grayscale(0.35) contrast(1.08) brightness(0.82) saturate(0.85);
}

/* THE BLEND: fade the video's bottom (and edges) into pure black so the
   footage dissolves seamlessly into the page below — one fluid surface. */
.hero-fade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    /* bottom -> solid black (the seam killer) */
    linear-gradient(to bottom,
      rgba(0,0,0,0.55) 0%,
      rgba(0,0,0,0.15) 26%,
      rgba(0,0,0,0.20) 55%,
      rgba(0,0,0,0.70) 82%,
      rgba(0,0,0,0.96) 94%,
      #000 100%),
    /* side vignette */
    linear-gradient(to right,
      rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 22%,
      rgba(0,0,0,0) 78%, rgba(0,0,0,0.85) 100%);
}
/* subtle red atmospheric haze low in the frame */
.hero-haze {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(120% 60% at 50% 100%, rgba(179,18,42,0.22), transparent 60%);
  mix-blend-mode: screen;
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 24px;
}
.hero-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: var(--bone-dim);
  margin-bottom: 26px;
  padding-left: 0.5em;
  opacity: 0;
  animation: rise 1s var(--ease) 0.2s forwards;
}
.hero-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.8rem, 9vw, 7.2rem);
  line-height: 0.98;
  letter-spacing: 0.02em;
  color: var(--bone);
  text-shadow: 0 0 40px rgba(0,0,0,0.8), 0 0 80px rgba(0,0,0,0.6);
}
.hero-title .line { display: block; opacity: 0; animation: rise 1.1s var(--ease) forwards; }
.hero-title .line:nth-child(1) { animation-delay: 0.35s; }
.hero-title .line:nth-child(2) { animation-delay: 0.5s; color: var(--blood-glow); }
.hero-flicker { animation: flicker 6s linear 1.6s infinite; }

.hero-sub {
  margin: 28px auto 40px;
  max-width: 50ch;
  color: var(--bone-dim);
  font-size: 1.05rem;
  opacity: 0;
  animation: rise 1.1s var(--ease) 0.7s forwards;
}
.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  animation: rise 1.1s var(--ease) 0.9s forwards;
}

/* ----------------------  SCROLL REVEAL HOOK  -------------------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ----------------------------  LORE  ----------------------------- */
.lore { background: var(--black); }
.lore-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.lore p { color: var(--bone-dim); margin-bottom: 20px; }
.lore p .drop {
  float: left;
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 0.8;
  color: var(--blood-glow);
  padding: 6px 12px 0 0;
}
.lore-aside {
  border-left: 1px solid rgba(179,18,42,0.3);
  padding-left: 34px;
}
.lore-aside .quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.4;
  color: var(--bone);
}
.lore-aside .by { margin-top: 18px; color: var(--ash); font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; }
@media (max-width: 820px) { .lore-grid { grid-template-columns: 1fr; gap: 36px; } .lore-aside { border-left: none; padding-left: 0; border-top: 1px solid rgba(179,18,42,0.3); padding-top: 28px; } }

/* --------------------------  COLLECTION  ------------------------- */
.collection { background: linear-gradient(180deg, #000 0%, #060606 50%, #000 100%); }
.collection-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; flex-wrap: wrap; margin-bottom: 56px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 980px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 720px) { .gallery { grid-template-columns: repeat(2, 1fr); } }

.card {
  position: relative;
  aspect-ratio: 1;
  border: 1px solid rgba(255,255,255,0.07);
  background: var(--coal);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
  transform-style: preserve-3d;
}
.card:hover { border-color: rgba(224,25,51,0.6); box-shadow: var(--shadow-blood); }
/* procedural "portrait" placeholder — layered gradients, no image asset */
.card-art {
  position: absolute; inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.6s var(--ease);
  filter: brightness(0.88) saturate(0.85);
}
.card:hover .card-art { transform: scale(1.06); filter: brightness(1) saturate(1); }
.card-tag {
  position: absolute; left: 12px; top: 12px; z-index: 2;
  font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 4px 9px; border: 1px solid rgba(224,25,51,0.5); color: var(--blood-glow);
  background: rgba(0,0,0,0.5); backdrop-filter: blur(4px);
}
.card-meta {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 16px 14px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  display: flex; align-items: baseline; justify-content: space-between;
}
.card-meta .name { font-family: var(--font-display); font-size: 0.92rem; color: var(--bone); }
.card-meta .id { font-size: 0.72rem; color: var(--ash); letter-spacing: 0.1em; }

/* ----------------------------  STATS  ---------------------------- */
.stats { background: var(--black); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; text-align: center; }
@media (max-width: 720px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 44px; } }
.stat .num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  color: var(--bone);
  line-height: 1;
  text-shadow: 0 0 30px rgba(179,18,42,0.4);
}
.stat .num .unit { color: var(--blood-glow); }
.stat .label { margin-top: 12px; font-size: 0.74rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ash); }

/* ---------------------------  ROADMAP  --------------------------- */
.roadmap { background: linear-gradient(180deg, #000, #060606 60%, #000); }
.timeline { position: relative; margin-top: 60px; padding-left: 8px; }
/* the train "line" */
.timeline::before {
  content: ""; position: absolute; left: 17px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--blood) 0%, var(--blood-deep) 70%, transparent);
}
.stop { position: relative; padding: 0 0 46px 64px; }
.stop:last-child { padding-bottom: 0; }
.stop .dot {
  position: absolute; left: 8px; top: 4px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--black); border: 2px solid var(--blood);
  box-shadow: 0 0 0 4px rgba(179,18,42,0.12);
}
.stop.done .dot { background: var(--blood); box-shadow: 0 0 16px rgba(224,25,51,0.7); }
.stop .phase { font-size: 0.7rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--blood-glow); margin-bottom: 8px; }
.stop h3 { font-family: var(--font-display); font-size: 1.4rem; color: var(--bone); margin-bottom: 8px; }
.stop p { color: var(--bone-dim); max-width: 56ch; }

/* --------------------------  CTA BAND  -------------------------- */
.cta-band { position: relative; text-align: center; padding: clamp(90px, 14vh, 180px) 0; overflow: hidden; }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(60% 120% at 50% 120%, rgba(179,18,42,0.28), transparent 60%);
  pointer-events: none;
}
.cta-band h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.05; color: var(--bone); margin-bottom: 22px;
  position: relative;
}
.cta-band p { color: var(--bone-dim); max-width: 52ch; margin: 0 auto 38px; position: relative; }
.cta-band .btn { position: relative; }

/* ----------------------------  FOOTER  -------------------------- */
.footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 50px 0 60px; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer .brand { font-size: 0.95rem; }
.footer-links { display: flex; gap: 26px; }
.footer-links a { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ash); transition: color 0.3s var(--ease); }
.footer-links a:hover { color: var(--blood-glow); }
.footer-note { width: 100%; margin-top: 26px; color: #5c5a57; font-size: 0.74rem; letter-spacing: 0.04em; }

/* =====================================================================
   REGISTRATION PAGE
   ===================================================================== */
.register-body { min-height: 100vh; display: flex; flex-direction: column; }
.reg-bg { position: fixed; inset: 0; z-index: 0; overflow: hidden; }
.reg-bg video {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.5) brightness(0.32) contrast(1.05) saturate(0.7);
}
.reg-bg .reg-fade {
  position: absolute; inset: 0;
  background:
    radial-gradient(90% 80% at 50% 40%, rgba(0,0,0,0.55), rgba(0,0,0,0.92)),
    linear-gradient(to bottom, #000 0%, rgba(0,0,0,0.6) 40%, #000 100%);
}

.reg-main {
  position: relative; z-index: 2;
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 110px 24px 60px;
}
.reg-card {
  width: 100%; max-width: 520px;
  background: rgba(8, 8, 9, 0.72);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid rgba(179,18,42,0.28);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.04);
  padding: clamp(30px, 5vw, 50px);
  position: relative;
  overflow: hidden;
}
.reg-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blood-glow), transparent);
}
.reg-card .kicker { margin-bottom: 14px; }
.reg-card h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.4rem); line-height: 1.1; color: var(--bone);
  margin-bottom: 12px;
}
.reg-card .sub { color: var(--bone-dim); font-size: 0.96rem; margin-bottom: 30px; }

.back-link {
  position: absolute; top: 24px; left: clamp(20px, 4vw, 40px); z-index: 3;
  font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bone-dim);
  display: inline-flex; align-items: center; gap: 8px; transition: color 0.3s var(--ease);
}
.back-link:hover { color: var(--blood-glow); }

/* form */
.field { margin-bottom: 22px; }
.field label {
  display: block; font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--bone-dim); margin-bottom: 10px;
}
.input-shell {
  display: flex; align-items: center;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.45);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.input-shell .prefix {
  padding: 0 0 0 16px; color: var(--ash); font-size: 0.95rem; user-select: none;
}
.input-shell input {
  flex: 1; width: 100%;
  background: none; border: none; outline: none;
  color: var(--bone); font-family: var(--font-body); font-size: 1rem;
  padding: 15px 16px;
  letter-spacing: 0.01em;
}
.input-shell input::placeholder { color: #565451; }
.input-shell:focus-within { border-color: var(--blood-glow); box-shadow: 0 0 0 3px rgba(179,18,42,0.18); }
.field.invalid .input-shell { border-color: var(--blood); box-shadow: 0 0 0 3px rgba(224,25,51,0.18); }
.field .hint { margin-top: 8px; font-size: 0.76rem; color: var(--ash); min-height: 1em; transition: color 0.3s var(--ease); }
.field.invalid .hint { color: var(--blood-glow); }

.reg-submit { width: 100%; justify-content: center; margin-top: 8px; }
.reg-foot { margin-top: 22px; text-align: center; font-size: 0.78rem; color: var(--ash); }
.reg-foot .count { color: var(--blood-glow); font-weight: 600; }

/* success state */
.reg-success { text-align: center; display: none; }
.reg-success.show { display: block; animation: rise 0.7s var(--ease) forwards; }
.reg-success .seal {
  width: 84px; height: 84px; margin: 0 auto 24px;
  border-radius: 50%; display: grid; place-items: center;
  border: 2px solid var(--blood-glow);
  box-shadow: 0 0 30px rgba(224,25,51,0.5), inset 0 0 24px rgba(179,18,42,0.3);
  animation: pulse 2.4s ease-in-out infinite;
}
.reg-success .seal svg { width: 38px; height: 38px; stroke: var(--blood-glow); }
.reg-success h2 { font-family: var(--font-display); font-size: 1.9rem; color: var(--bone); margin-bottom: 14px; }
.reg-success p { color: var(--bone-dim); margin-bottom: 28px; }
.reg-success .ticket {
  border: 1px dashed rgba(179,18,42,0.4); padding: 16px 20px; margin: 0 0 28px;
  font-size: 0.84rem; color: var(--bone-dim); text-align: left;
}
.reg-success .ticket span { color: var(--bone); word-break: break-all; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 30px rgba(224,25,51,0.5), inset 0 0 24px rgba(179,18,42,0.3); } 50% { box-shadow: 0 0 48px rgba(224,25,51,0.8), inset 0 0 30px rgba(179,18,42,0.5); } }

/* ----------------------------  KEYFRAMES  ----------------------- */
@keyframes rise { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: none; } }
@keyframes flicker {
  0%, 19%, 21%, 23%, 80%, 83%, 100% { opacity: 1; text-shadow: 0 0 30px rgba(224,25,51,0.25); }
  20%, 22% { opacity: 0.65; }
  81%, 82% { opacity: 0.4; text-shadow: none; }
}

/* ----------------------  REDUCED MOTION  ------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .grain { display: none; }
}