/* ============================================
   NV3D — styles.css
   Palette: greens, blues, dark greys (placeholder)
   Fonts: Sora (display) + Spline Sans Mono (accent)
   ============================================ */

:root {
  /* Core palette — tweak these to dial in the brand */
  --bg:            #0d1117;
  --bg-soft:       #131a22;
  --surface:       #18212c;
  --surface-2:     #1f2a37;
  --border:        #2a3744;
  --border-soft:   #222e3a;

  --text:          #e6edf3;
  --text-soft:     #9fb0c0;
  --text-dim:      #6b7d8f;

  --green:         #73D239;
  --green-deep:    #52a61d;
  --blue:          #16ADD9;
  --blue-deep:     #0f84a7;

  --accent-grad:   linear-gradient(120deg, var(--green) 0%, var(--blue) 100%);

  --radius:        14px;
  --radius-sm:     10px;
  --radius-lg:     22px;

  --maxw:          1180px;
  --ease:          cubic-bezier(0.22, 1, 0.36, 1);

  --font-display:  'Sora', system-ui, sans-serif;
  --font-mono:     'Spline Sans Mono', ui-monospace, monospace;
}

@font-face {
  font-family: 'Sora';
  src: url('../assets/fonts/sora-v17-latin-400.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Sora';
  src: url('../assets/fonts/sora-v17-latin-500.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Sora';
  src: url('../assets/fonts/sora-v17-latin-600.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Sora';
  src: url('../assets/fonts/sora-v17-latin-700.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: 'Sora';
  src: url('../assets/fonts/sora-v17-latin-800.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}



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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

body.menu-open { overflow: hidden; }

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

/* ============================================
   Background atmosphere
   ============================================ */
.bg-atmosphere {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(56,189,248,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56,189,248,0.04) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.bg-glow--green {
  width: 520px; height: 520px;
  background: radial-gradient(circle, rgba(52,211,153,0.35), transparent 70%);
  top: -160px; left: -120px;
}
.bg-glow--blue {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(56,189,248,0.28), transparent 70%);
  top: 8%; right: -200px;
}

.bg-noise {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================
   Header
   ============================================ */
.site-header {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 26px;
  padding-bottom: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: var(--accent-grad);
  color: #06231b;
}
.brand-mark svg { width: 20px; height: 20px; }
.brand-text { font-size: 1.25rem; }

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 0.95rem;
  font-weight: 500;
}
.nav-desktop > a {
  color: var(--text-soft);
  transition: color 0.25s var(--ease);
  position: relative;
}
.nav-desktop > a:hover { color: var(--text); }

.nav-stores { display: flex; gap: 10px; margin-left: 8px; }

.store-pill {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  transition: all 0.25s var(--ease);
}
.store-pill--fab:hover {
  border-color: var(--green);
  background: rgba(52,211,153,0.1);
  color: var(--green);
}
.store-pill--unity:hover {
  border-color: var(--blue);
  background: rgba(56,189,248,0.1);
  color: var(--blue);
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s var(--ease);
}

.nav-mobile { display: none; }

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: var(--radius-sm);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent-grad);
  color: #06231b;
  box-shadow: 0 8px 30px -8px rgba(52,211,153,0.5);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px -8px rgba(52,211,153,0.6);
}
.btn--ghost {
  border: 1px solid var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--blue);
  background: rgba(56,189,248,0.08);
}
.btn--full { width: 100%; }

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  padding-top: clamp(140px, 22vh, 220px);
  padding-bottom: clamp(80px, 14vh, 160px);
  overflow: hidden;
}
.hero-inner { position: relative; }

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.28em;
  color: var(--green);
  margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(3rem, 9vw, 6.2rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin-bottom: 28px;
}
.hero-title-accent {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-soft);
  max-width: 540px;
  margin-bottom: 38px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Floating placeholder asset previews */
.hero-visual {
  position: absolute;
  top: 25%;
  right: -40px;
  transform: translateY(-50%);
  width: 340px;
  height: 340px;
  pointer-events: none;
}
.hero-card {
  position: absolute;
  /*box-shadow: 0 30px 70px -20px rgba(0,0,0,0.6);*/
}
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}
.hero-card--1 {
  width: 256px; height: 256px;
  top: 20px; right: 60px;
  animation: float1 7s ease-in-out infinite;
}
.hero-card--2 {
  width: 175px; height: 175px;
  top: 130px; right: 0;
  animation: float2 9s ease-in-out infinite;
}
.hero-card--3 {
  width: 128px; height: 128px;
  top: 20
  px; right: 250px;
  animation: float3 8s ease-in-out infinite;
}
@keyframes float1 { 0%,100%{transform:translateY(0) rotate(-3deg)} 50%{transform:translateY(-18px) rotate(-1deg)} }
@keyframes float2 { 0%,100%{transform:translateY(0) rotate(4deg)} 50%{transform:translateY(16px) rotate(2deg)} }
@keyframes float3 { 0%,100%{transform:translateY(0) rotate(-6deg)} 50%{transform:translateY(-12px) rotate(-4deg)} }

/* ============================================
   Section shared
   ============================================ */
section { position: relative; }

.section-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--blue);
  margin-bottom: 26px;
  text-transform: uppercase;
}

/* ============================================
   About
   ============================================ */
.about { padding: clamp(70px, 12vh, 130px) 0; }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(30px, 6vw, 80px);
  align-items: start;
}
.about-heading {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.about-body p {
  color: var(--text-soft);
  font-size: 1.08rem;
  margin-bottom: 18px;
}
.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--border-soft);
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* ============================================
   Catalogue
   ============================================ */
.catalogue { padding: clamp(60px, 10vh, 110px) 0; }
.catalogue-head { margin-bottom: 40px; max-width: 600px; }
.catalogue-heading {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}
.catalogue-intro { color: var(--text-soft); font-size: 1.08rem; }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 54px;
}
.filter-btn {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  transition: all 0.25s var(--ease);
}
.filter-btn:hover { color: var(--text); border-color: var(--text-dim); }
.filter-btn.is-active {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

/* Series block */
.series { margin-bottom: 70px; }
.series-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 26px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-soft);
}
.series-name {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.series-desc { color: var(--text-dim); font-size: 0.96rem; margin-top: 4px; }

.series-docs {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.series-docs-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}
.doc-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 6px 13px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-soft);
  transition: all 0.25s var(--ease);
}
.doc-link:hover { border-color: var(--green); color: var(--green); }

.doc-link--disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
/* Pack grid */
.pack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(248px, 1fr));
  gap: 22px;
}
.pack-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  transition: all 0.32s var(--ease);
  display: flex;
  flex-direction: column;
}
.pack-card:hover {
  transform: translateY(-5px);
  border-color: var(--green-deep);
  box-shadow: 0 22px 50px -22px rgba(52,211,153,0.4);
}
.pack-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.pack-thumb-placeholder {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, var(--surface-2), var(--bg-soft)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.02) 0 10px, transparent 10px 20px);
  background-blend-mode: overlay;
}
.pack-thumb-placeholder::after {
  content: "preview";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.pack-thumb-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pack-flags {
  position: absolute;
  top: 12px; left: 12px;
  display: flex;
  gap: 6px;
}
.flag {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  padding: 2px;
}
.flag--fab { background: rgba(52,211,153,0.2); color: var(--green); border: 1px solid rgba(52,211,153,0.3); }
.flag--unity { background: rgba(56,189,248,0.2); color: var(--blue); border: 1px solid rgba(56,189,248,0.3); }

.pack-body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.pack-name { font-size: 1.1rem; font-weight: 600; margin-bottom: 6px; }
.pack-desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-bottom: 16px;
  flex: 1;
}
.pack-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.pack-price {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
}
.pack-links {
  display: flex;
  gap: 14px;
}
.pack-link {
  font-size: 0.86rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), color 0.25s var(--ease);
}
.pack-link--fab { color: var(--green); }
.pack-link--fab:hover { color: var(--green-deep); transform: translateX(2px); }
.pack-link--unity { color: var(--blue); }
.pack-link--unity:hover { color: var(--blue-deep); transform: translateX(2px); }

/* ============================================
   Contact
   ============================================ */
.contact { padding: clamp(70px, 12vh, 130px) 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 6vw, 70px);
  align-items: start;
}
.contact-heading {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.contact-copy p { color: var(--text-soft); font-size: 1.08rem; margin-bottom: 26px; max-width: 380px; }
.contact-email {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--green);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}
.contact-email:hover { border-color: var(--green); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
}
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-soft);
  margin-bottom: 8px;
}
.field input,
.field textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.98rem;
  transition: border-color 0.25s var(--ease);
  resize: vertical;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green);
}

/* Honeypot — visually and functionally hidden from humans,
   but present in the DOM for bots to trip over. Not display:none,
   as some bots skip those; positioned off-screen instead. */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 16px;
  line-height: 1.5;
}
.form-notice a {
  color: var(--text-soft);
  border-bottom: 1px solid var(--border);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}
.form-notice a:hover {
  color: var(--green);
  border-color: var(--green);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  border-top: 1px solid var(--border-soft);
  padding: 56px 0 40px;
  margin-top: 40px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; }
.footer-tag { color: var(--text-soft); font-family: var(--font-mono); font-size: 0.92rem; }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  color: var(--text-soft);
  font-size: 0.92rem;
  transition: color 0.25s var(--ease);
}
.footer-links a:hover { color: var(--green); }
.footer-legal { color: var(--text-dim); font-size: 0.82rem; font-family: var(--font-mono); }

/* ============================================
   Back to top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-grad);
  color: #06231b;
  box-shadow: 0 10px 30px -8px rgba(52,211,153,0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.35s var(--ease);
  z-index: 60;
}
.back-to-top svg { width: 22px; height: 22px; }
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-3px); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 880px) {
  .nav-desktop { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 20px clamp(20px, 5vw, 48px) 30px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
  }
  .nav-mobile a { color: var(--text-soft); font-weight: 500; }
  .nav-mobile-stores { display: flex; gap: 10px; margin-top: 6px; }

  .hero-visual { display: none; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .about-stats { gap: 24px; }
  .stat-num { font-size: 1.9rem; }
  .series-head { flex-direction: column; align-items: flex-start; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}