/* ============================================================
   Nightmare Collection — dark gothic cyber-arcade stylesheet
   Palette:
     obsidian  #030303 / #080808   panels  #0c0c0d
     crimson   #dc2626             deep    #991b1b
     ash       #e4dfdf             ash-dim #8b8482
   Display face: 'Cinzel' (elegant gothic serif)
   Body face: system sans
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --obsidian: #030303;
  --obsidian-deep: #080808;
  --panel: #0c0c0d;
  --panel-line: rgba(220, 38, 38, 0.16);
  --panel-line-soft: rgba(255, 255, 255, 0.06);
  --crimson: #dc2626;
  --crimson-deep: #991b1b;
  --crimson-glow: rgba(220, 38, 38, 0.45);
  --ash: #e4dfdf;
  --ash-dim: #8b8482;
  --radius-sm: 4px;
  --radius-md: 8px;
  --font-display: 'Cinzel', 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--obsidian);
  color: var(--ash);
  font-family: var(--font-body);
}

body {
  position: relative;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font-family: var(--font-body); cursor: pointer; }

/* ---------------- Custom scrollbar ---------------- */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--obsidian); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--crimson-deep), var(--crimson));
  border-radius: 10px;
  border: 2px solid var(--obsidian);
}
* { scrollbar-width: thin; scrollbar-color: var(--crimson-deep) var(--obsidian); }

/* ---------------- Atmospheric overlays ---------------- */
.nc-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background:
    radial-gradient(ellipse 90% 60% at 50% -10%, rgba(153, 27, 27, 0.16), transparent 60%),
    radial-gradient(ellipse 120% 80% at 50% 100%, rgba(0,0,0,0.75), transparent 55%),
    radial-gradient(ellipse 140% 140% at 50% 50%, transparent 55%, rgba(0,0,0,0.55) 100%);
}
.nc-scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.05;
  background: repeating-linear-gradient(
    to bottom,
    #fff 0px,
    #fff 1px,
    transparent 1px,
    transparent 3px
  );
}

/* ---------------- Header ---------------- */
.nc-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(3, 3, 3, 0.72);
  border-bottom: 1px solid var(--panel-line-soft);
}
.nc-header__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nc-brand { display: block; }
.nc-logo { height: 56px; width: auto; display: block; filter: drop-shadow(0 0 12px var(--crimson-glow)); }

.nc-nav { display: flex; gap: 1.75rem; }
.nc-nav a {
  font-size: 0.85rem;
  color: var(--ash-dim);
  letter-spacing: 0.01em;
  transition: color .15s ease;
}
.nc-nav a:hover { color: var(--ash); }

.nc-auth { display: flex; align-items: center; gap: 0.85rem; }
.nc-auth__name {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--ash);
}
.nc-auth__name::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--crimson);
  box-shadow: 0 0 8px var(--crimson-glow);
  margin-right: 0.5rem;
}

/* ---------------- Buttons ---------------- */
.nc-btn {
  border: 1px solid var(--panel-line-soft);
  background: rgba(255,255,255,0.02);
  color: var(--ash);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: border-color .2s ease, color .2s ease, box-shadow .2s ease, transform .15s ease;
}
.nc-btn:hover { border-color: var(--crimson); color: #fff; transform: translateY(-1px); }

.nc-btn--primary {
  background: linear-gradient(180deg, var(--crimson), var(--crimson-deep));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 24px rgba(220,38,38,0.25);
}
.nc-btn--primary:hover { box-shadow: 0 6px 32px rgba(220,38,38,0.45); }

.nc-btn--danger {
  background: var(--crimson);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 28px var(--crimson-glow);
  padding: 0.85rem 1.9rem;
  font-size: 0.95rem;
}
.nc-btn--danger:hover { box-shadow: 0 0 42px rgba(220,38,38,0.75); }

.nc-btn--ghost { background: transparent; }
.nc-btn--block { width: 100%; }

/* ---------------- Hero ---------------- */
.nc-hero {
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
  padding: 6.5rem 1.75rem 4rem;
  text-align: center;
}
.nc-hero__glow {
  position: absolute;
  top: -60px; left: 50%;
  transform: translateX(-50%);
  width: 480px; height: 320px;
  background: radial-gradient(circle, rgba(220,38,38,0.22), transparent 70%);
  filter: blur(20px);
  z-index: -1;
}
.nc-hero__mark {
  height: 88px;
  width: auto;
  margin: 0 auto 1.75rem;
  display: block;
  filter: drop-shadow(0 0 24px rgba(220,38,38,0.35));
}

.nc-hero__eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--crimson);
  margin: 0 0 1rem;
}
.nc-hero__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1;
  margin: 0 0 1.1rem;
  color: #fff;
  text-shadow: 0 0 30px rgba(220,38,38,0.3), 0 0 2px rgba(255,255,255,0.2);
}
.nc-hero__sub {
  color: var(--ash-dim);
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto 2.25rem;
}
.nc-hero__cta {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------------- Hero stats strip ---------------- */
.nc-stats {
  display: flex;
  justify-content: center;
  gap: clamp(1.5rem, 6vw, 3.5rem);
  margin: 3rem 0 0;
  padding-top: 2rem;
  border-top: 1px solid var(--panel-line-soft);
}
.nc-stats__item { text-align: center; }
.nc-stats__item dt {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: #fff;
  margin: 0;
  text-shadow: 0 0 20px rgba(220,38,38,0.25);
}
.nc-stats__item dd {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--ash-dim);
  letter-spacing: 0.01em;
}

/* ---------------- How it works ---------------- */
.nc-steps {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 1.75rem 4rem;
}
.nc-steps__head { text-align: center; margin-bottom: 2.25rem; }
.nc-steps__head h2 {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
}
.nc-steps__head p { color: var(--ash-dim); margin: 0; font-size: 0.95rem; }

.nc-steps__grid {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}
.nc-step {
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(10px);
  border: 1px solid var(--panel-line-soft);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  transition: border-color .2s ease, transform .2s ease;
}
.nc-step:hover { border-color: rgba(220,38,38,0.4); transform: translateY(-3px); }
.nc-step__num {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--crimson);
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}
.nc-step h3 {
  font-family: var(--font-display);
  color: #fff;
  font-size: 1.1rem;
  margin: 0 0 0.6rem;
}
.nc-step p { color: var(--ash-dim); font-size: 0.88rem; line-height: 1.55; margin: 0; }

/* ---------------- Universe section ---------------- */
.nc-universe {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--panel-line-soft);
  border-bottom: 1px solid var(--panel-line-soft);
  background: linear-gradient(180deg, rgba(153,27,27,0.05), transparent 60%);
}
.nc-universe__inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 1.75rem;
  text-align: center;
}
.nc-universe h2 {
  font-family: var(--font-display);
  color: #fff;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  margin: 0 0 1.5rem;
  line-height: 1.3;
}
.nc-universe__text {
  color: var(--ash-dim);
  font-size: 1rem;
  line-height: 1.75;
  margin: 0 0 1.1rem;
}
.nc-universe__text:last-child { margin-bottom: 0; }

/* ---------------- Catalog ---------------- */
.nc-catalog {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.75rem 5rem;
}
.nc-catalog__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--panel-line-soft);
}
.nc-catalog__head h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: #fff;
  margin: 0;
}
.nc-catalog__count {
  color: var(--ash-dim);
  font-size: 0.85rem;
}

.nc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
  gap: 1.4rem;
}

/* ---------------- Game card (glassmorphism) ---------------- */
.nc-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(153,27,27,0.28);
  transition: transform .25s cubic-bezier(.2,.8,.3,1), border-color .25s ease, box-shadow .25s ease;
}
.nc-card:hover {
  transform: translateY(-5px) scale(1.015);
  border-color: var(--crimson);
  box-shadow: 0 18px 40px rgba(0,0,0,0.5), 0 0 30px rgba(220,38,38,0.18);
}

.nc-card__cover-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  cursor: pointer;
}
.nc-card__cover {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.8) contrast(1.08) brightness(0.92);
  transition: filter .3s ease, transform .4s ease;
}
.nc-card:hover .nc-card__cover {
  filter: saturate(1) contrast(1.12) brightness(1);
  transform: scale(1.05);
}
.nc-card__cover-wrap::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 45%);
}

.nc-card__badge {
  position: absolute;
  top: 0.6rem; right: 0.6rem;
  z-index: 2;
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(3,3,3,0.7);
  backdrop-filter: blur(6px);
  border: 1px solid var(--panel-line-soft);
  color: var(--ash-dim);
}
.nc-card__badge--free { color: #4ade80; border-color: rgba(74,222,128,0.35); }
.nc-card__badge--owned { color: #fbbf24; border-color: rgba(251,191,36,0.4); }
.nc-card__badge--locked { color: var(--crimson); border-color: rgba(220,38,38,0.5); }

.nc-card__body { padding: 0.95rem 1rem 1.1rem; position: relative; }
.nc-card__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.01em;
}
.nc-card__tagline {
  margin: 0 0 0.9rem;
  font-size: 0.82rem;
  color: var(--ash-dim);
  line-height: 1.45;
  min-height: 2.6em;
}

.nc-card__play {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  padding: 0.6rem 0;
  background: transparent;
  border: 1px solid var(--panel-line-soft);
  color: var(--ash);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.nc-card__play:hover {
  background: var(--crimson);
  border-color: var(--crimson);
  color: #fff;
  box-shadow: 0 0 22px rgba(220,38,38,0.4);
}
.nc-card__play--locked { border-color: rgba(220,38,38,0.35); color: var(--crimson); }
.nc-card__play--locked:hover { background: var(--crimson); color: #fff; }

/* ---------------- Footer ---------------- */
.nc-footer {
  position: relative; z-index: 2;
  text-align: center;
  padding: 3rem 1rem 3.5rem;
  color: var(--ash-dim);
  font-size: 0.8rem;
  border-top: 1px solid var(--panel-line-soft);
}
.nc-footer__logo {
  height: 34px;
  width: auto;
  margin: 0 auto 1rem;
  display: block;
  opacity: 0.85;
}
.nc-footer__tagline {
  margin: 0 0 0.6rem;
  color: var(--ash);
  font-size: 0.85rem;
}
.nc-footer__copy { margin: 0; }

/* ---------------- Modals (shared) ---------------- */
.nc-modal {
  position: fixed; inset: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  background: rgba(2,2,2,0.88);
  backdrop-filter: blur(4px);
  animation: nc-fade-in .18s ease;
}
@keyframes nc-fade-in { from { opacity: 0; } to { opacity: 1; } }

.nc-modal__panel {
  position: relative;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(153,27,27,0.35);
  border-radius: var(--radius-md);
  box-shadow: 0 0 80px rgba(220,38,38,0.14), 0 20px 60px rgba(0,0,0,0.6);
  animation: nc-rise .22s cubic-bezier(.2,.8,.3,1);
}
@keyframes nc-rise {
  from { opacity: 0; transform: translateY(14px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.nc-modal__close {
  position: absolute; top: 0.7rem; right: 0.85rem;
  z-index: 3;
  background: transparent; border: none;
  color: var(--ash-dim);
  font-size: 1.7rem; line-height: 1;
  padding: 0.2rem 0.5rem;
  transition: color .15s ease;
}
.nc-modal__close:hover { color: var(--crimson); }

/* ---------------- Arcade modal ---------------- */
.nc-modal__panel--arcade {
  width: min(1040px, 100%);
  height: min(740px, 90vh);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.nc-arcade__head {
  padding: 1.1rem 3.2rem 0.9rem 1.4rem;
  border-bottom: 1px solid var(--panel-line-soft);
  display: flex; align-items: baseline; gap: 0.75rem;
}
.nc-arcade__title {
  font-family: var(--font-display);
  color: #fff;
  margin: 0;
  font-size: 1.15rem;
}
.nc-arcade__status {
  font-size: 0.75rem;
  color: var(--ash-dim);
  letter-spacing: 0.03em;
}
.nc-arcade__iframe { flex: 1; width: 100%; border: none; background: #000; }

.nc-lock {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.1rem;
  position: relative;
}
.nc-lock__glow {
  position: absolute;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(220,38,38,0.32), transparent 70%);
  filter: blur(12px);
}
.nc-lock__icon { position: relative; width: 40px; height: 40px; color: var(--crimson); opacity: .85; }
.nc-lock__text { position: relative; font-family: var(--font-display); color: var(--ash-dim); margin: 0; font-size: 1rem; }

/* ---------------- Auth modal ---------------- */
.nc-modal__panel--auth {
  width: min(400px, 100%);
  padding: 2.1rem 1.75rem 1.75rem;
}
.nc-modal__eyebrow {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--crimson);
  margin: 0 0 0.5rem;
  text-align: center;
}
.nc-modal__title {
  font-family: var(--font-display);
  color: #fff;
  text-align: center;
  margin: 0 0 1.5rem;
  font-size: 1.35rem;
}

.nc-tabs { display: flex; gap: 0.5rem; margin-bottom: 1.4rem; }
.nc-tab {
  flex: 1;
  background: transparent;
  border: 1px solid var(--panel-line-soft);
  color: var(--ash-dim);
  padding: 0.55rem 0;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  transition: border-color .15s ease, color .15s ease;
}
.nc-tab.active { color: #fff; border-color: var(--crimson); background: rgba(220,38,38,0.08); }

.nc-form { display: flex; flex-direction: column; gap: 1rem; }
.nc-field { display: flex; flex-direction: column; gap: 0.4rem; }
.nc-field span { font-size: 0.75rem; color: var(--ash-dim); letter-spacing: 0.02em; }
.nc-field input {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--panel-line-soft);
  color: var(--ash);
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.nc-field input:focus {
  outline: none;
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(220,38,38,0.15);
}
.nc-form__error {
  color: var(--crimson);
  font-size: 0.82rem;
  min-height: 1.1em;
  margin: 0;
  text-align: center;
}

/* ---------------- Utility ---------------- */
[hidden] { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .nc-card, .nc-btn, .nc-card__cover { transition: none; }
  .nc-modal, .nc-modal__panel { animation: none; }
}

@media (max-width: 720px) {
  .nc-nav { display: none; }
}

@media (max-width: 480px) {
  .nc-modal--arcade { padding: 0; }
  .nc-modal__panel--arcade { height: 100vh; border-radius: 0; }
  .nc-hero { padding: 4.5rem 1.25rem 3rem; }
  .nc-hero__mark { height: 64px; }
  .nc-stats { gap: 1.25rem; flex-wrap: wrap; }
}