/* ═══════════════════════════════════════════════════════════
   VISEN 3D — Redesign v2.0
   Design System cloned from visenanimation.framer.ai
   All classes prefixed with .sub-page- for encapsulation
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,300;0,400;0,500;0,600;0,700;1,500;1,700&family=Instrument+Serif:ital@0;1&display=swap');

/* ── Satoshi via Fontshare ── */
@font-face {
  font-family: 'Satoshi';
  src: url('https://cdn.fontshare.com/wf/P2LQKHE6KA6ZP4AAGN72KDWMHH6ZH3TA/ZC32TK2P7FPS5GFTL46EU6KQJA24ZYDB/7AHDUZ4A7LFLVFUIFSARGIWCRQJHISQP.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('https://cdn.fontshare.com/wf/LAFFD4SDUCDVQEXFPDC7C53EQ4ZELWQI/PXCT3G6LO6ICM5I3NTYENYPWJAECAWDD/GHM6WVH6MILNYOOCXHXB5GTSGNTMGXZR.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Satoshi';
  src: url('https://cdn.fontshare.com/wf/TTX2Z3BF3P6Y5BQT3IV2VNOK6FL22KUT/7QYRJOI3JIMYHGY6CH7SOIFRQLZOLNJ6/KFIAZD4RUMEZIYV6FQ3T3GP5PDBDB6JY.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ── Fragment Mono ── */
@font-face {
  font-family: 'Fragment Mono';
  src: url('https://fonts.gstatic.com/s/fragmentmono/v6/4iCr6K5wfMRRjxp0DA6-2CLnB4NHhg.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ═══ Design Tokens ═══ */
.sub-page-root {
  /* Core Palette — Dark Only (matches Framer reference) */
  --sp-bg-primary: #0a0a0a;
  --sp-bg-secondary: #111111;
  --sp-bg-card: #141414;
  --sp-bg-card-hover: #1a1a1a;
  --sp-bg-glass: rgba(10, 10, 10, 0.85);
  --sp-bg-input: #0d0d0d;

  --sp-text-primary: #ffffff;
  --sp-text-secondary: #a0a0a0;
  --sp-text-muted: #666666;

  --sp-border-color: rgba(255, 255, 255, 0.08);
  --sp-border-hover: rgba(255, 255, 255, 0.15);
  --sp-shadow-color: rgba(0, 0, 0, 0.4);

  /* Accent */
  --sp-accent-blue: #0066ff;
  --sp-accent-blue-hover: #0052cc;
  --sp-accent-green: #1aff75;
  --sp-glow-blue: rgba(0, 102, 255, 0.15);

  /* Sizing */
  --sp-header-h: 72px;
  --sp-radius: 12px;
  --sp-radius-lg: 20px;
  --sp-radius-pill: 100px;
  --sp-transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --sp-font-sans: 'Satoshi', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --sp-font-serif: 'Instrument Serif', Georgia, serif;
  --sp-font-mono: 'Fragment Mono', 'Courier New', monospace;
}

/* ═══ Reset (scoped) ═══ */
.sub-page-root,
.sub-page-root *,
.sub-page-root *::before,
.sub-page-root *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.sub-page-root {
  font-family: var(--sp-font-sans);
  background: var(--sp-bg-primary);
  color: var(--sp-text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

.sub-page-root::before {
  content: '';
  position: fixed;
  top: 0;
  left: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.sub-page-root::after {
  content: '';
  position: fixed;
  bottom: 0;
  right: -20%;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0, 102, 255, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.sub-page-root a {
  text-decoration: none;
  color: inherit;
}

.sub-page-root ul {
  list-style: none;
}

.sub-page-root img {
  max-width: 100%;
  display: block;
}

.sub-page-root button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.sub-page-root input,
.sub-page-root select,
.sub-page-root textarea {
  font-family: inherit;
}

/* ═══ Scrollbar ═══ */
.sub-page-root::-webkit-scrollbar {
  width: 6px;
}
.sub-page-root::-webkit-scrollbar-track {
  background: var(--sp-bg-primary);
}
.sub-page-root::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

/* ═══ Header ═══ */
.sub-page-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--sp-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 48px;
  background: var(--sp-bg-glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--sp-border-color);
  z-index: 1000;
  transition: background var(--sp-transition);
}

.sub-page-header-logo {
  display: flex;
  align-items: center;
  transition: opacity var(--sp-transition);
}
.sub-page-header-logo:hover {
  opacity: 0.8;
}
.sub-page-header-logo img {
  height: 36px;
  filter: invert(1) brightness(2);
  clip-path: inset(2px 0 0 0);
}

.sub-page-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sub-page-nav a {
  padding: 10px 20px;
  border-radius: var(--sp-radius-pill);
  font-weight: 500;
  font-size: 0.85rem;
  color: var(--sp-text-secondary);
  transition: all var(--sp-transition);
  letter-spacing: 0.02em;
  position: relative;
}

.sub-page-nav a:hover {
  color: var(--sp-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.sub-page-nav a.active {
  color: var(--sp-text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.sub-page-theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: var(--sp-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--sp-border-color);
  transition: all var(--sp-transition);
  color: var(--sp-text-secondary);
}

.sub-page-theme-toggle:hover {
  background: var(--sp-accent-blue);
  color: #fff;
  border-color: var(--sp-accent-blue);
  transform: translateY(-2px);
}

/* Only show moon icon (dark mode default) */
.sub-page-theme-toggle .sun-icon { display: block; }
.sub-page-theme-toggle .moon-icon { display: none; }
.dark-mode .sub-page-theme-toggle .sun-icon { display: block; }
.dark-mode .sub-page-theme-toggle .moon-icon { display: none; }

.sub-page-menu-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  height: 28px;
  justify-content: center;
}

.sub-page-menu-burger span {
  display: block;
  height: 2px;
  background: var(--sp-text-primary);
  border-radius: 2px;
  transition: all var(--sp-transition);
}

/* ═══ Hero ═══ */
.sub-page-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 160px 48px 120px;
  position: relative;
  overflow: hidden;
}

.sub-page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.sub-page-hero-badge {
  display: inline-block;
  padding: 8px 24px;
  border-radius: var(--sp-radius-pill);
  font-size: 0.7rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--sp-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 48px;
  animation: sp-fadeInDown 0.8s ease;
  font-family: var(--sp-font-mono);
}

.sub-page-hero h1 {
  margin-bottom: 16px;
  animation: sp-fadeInUp 0.8s ease 0.2s both;
}

.sub-page-hero-main-logo {
  height: clamp(70px, 12vw, 140px);
  max-width: 100%;
  object-fit: contain;
  margin: 0 auto;
  display: block;
  filter: invert(1) brightness(2);
  clip-path: inset(2px 0 0 0);
}

.sub-page-hero .sub-page-slogan {
  font-family: var(--sp-font-sans);
  font-size: clamp(0.85rem, 1.8vw, 1.1rem);
  letter-spacing: 10px;
  text-transform: uppercase;
  color: var(--sp-text-muted);
  font-weight: 400;
  margin-bottom: 48px;
  animation: sp-fadeInUp 0.8s ease 0.4s both;
}

.sub-page-hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  animation: sp-fadeInUp 0.8s ease 0.6s both;
}

/* ═══ Buttons ═══ */
.sub-page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: var(--sp-radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--sp-transition);
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
}

.sub-page-btn-primary {
  background: var(--sp-accent-blue);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0, 102, 255, 0.3);
}

.sub-page-btn-primary:hover {
  background: var(--sp-accent-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 36px rgba(0, 102, 255, 0.4);
}

.sub-page-btn-outline {
  border: 1.5px solid var(--sp-border-hover);
  color: var(--sp-text-primary);
  background: transparent;
}

.sub-page-btn-outline:hover {
  border-color: var(--sp-text-primary);
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}

.sub-page-btn-sm {
  padding: 10px 24px;
  font-size: 0.8rem;
}

/* ═══ Sections ═══ */
.sub-page-section {
  padding: 120px 48px;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.sub-page-section-header {
  text-align: center;
  margin-bottom: 72px;
}

.sub-page-section-badge {
  display: inline-block;
  padding: 8px 24px;
  border-radius: var(--sp-radius-pill);
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--sp-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 32px;
  font-family: var(--sp-font-mono);
}

.sub-page-section-header h2 {
  font-family: var(--sp-font-sans);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--sp-text-primary);
}

.sub-page-section-header h2 span {
  font-family: var(--sp-font-serif);
  font-style: italic;
  font-weight: 400;
}

.sub-page-section-header p {
  color: var(--sp-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
}

.sub-page-section-divider {
  width: 48px;
  height: 2px;
  background: var(--sp-accent-blue);
  border-radius: 2px;
  margin: 24px auto 0;
  opacity: 0.6;
}

/* ═══ Alt Section (different bg) ═══ */
.sub-page-section-alt {
  background: var(--sp-bg-secondary);
  max-width: 100%;
  border-top: 1px solid var(--sp-border-color);
  border-bottom: 1px solid var(--sp-border-color);
  position: relative;
  z-index: 1;
}

.sub-page-section-alt-inner {
  max-width: 1200px;
  margin: 0 auto;
}

/* ═══ Product Grid ═══ */
.sub-page-products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 24px;
}

.sub-page-product-card {
  background: var(--sp-bg-card);
  border-radius: var(--sp-radius-lg);
  border: 1px solid var(--sp-border-color);
  overflow: hidden;
  transition: all var(--sp-transition);
  position: relative;
}

.sub-page-product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  border-color: var(--sp-border-hover);
}

.sub-page-product-card .card-img {
  height: 220px;
  background: var(--sp-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.sub-page-product-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.sub-page-product-card:hover .card-img img {
  transform: scale(1.06);
}

.sub-page-product-card .card-body {
  padding: 24px;
}

.sub-page-product-card .card-title {
  font-family: var(--sp-font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--sp-text-primary);
}

.sub-page-product-card .card-desc {
  font-size: 0.85rem;
  color: var(--sp-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.sub-page-product-card .card-price {
  font-family: var(--sp-font-sans);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sp-accent-blue);
  margin-bottom: 16px;
}

.sub-page-product-card .card-price small {
  font-size: 0.7rem;
  color: var(--sp-text-muted);
  font-weight: 400;
}

/* Star Rating */
.sub-page-product-card .card-stars {
  color: #FFD700;
  font-size: 1rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

/* Card CTA */
.sub-page-product-card .card-cta {
  margin-top: 16px;
  padding: 12px 24px;
  border-radius: var(--sp-radius-pill);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  background: var(--sp-accent-blue);
  color: #fff;
  transition: all var(--sp-transition);
}

.sub-page-product-card:hover .card-cta {
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.35);
}

/* Variant Selectors */
.sub-page-variant-group {
  margin-bottom: 16px;
}

.sub-page-variant-group label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--sp-text-muted);
  margin-bottom: 8px;
  font-family: var(--sp-font-mono);
}

.sub-page-variant-options {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.sub-page-variant-btn {
  padding: 6px 14px;
  border-radius: var(--sp-radius-pill);
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--sp-border-color);
  color: var(--sp-text-secondary);
  background: rgba(255, 255, 255, 0.03);
  transition: all var(--sp-transition);
}

.sub-page-variant-btn:hover,
.sub-page-variant-btn.active {
  border-color: var(--sp-accent-blue);
  color: var(--sp-accent-blue);
  background: rgba(0, 102, 255, 0.08);
}

.sub-page-color-swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--sp-border-color);
  transition: all var(--sp-transition);
}

.sub-page-color-swatch:hover,
.sub-page-color-swatch.active {
  border-color: var(--sp-accent-blue);
  transform: scale(1.15);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.2);
}

/* Digital Badge */
.sub-page-badge-digital {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  border-radius: var(--sp-radius-pill);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: rgba(26, 255, 117, 0.1);
  color: var(--sp-accent-green);
  border: 1px solid rgba(26, 255, 117, 0.2);
  backdrop-filter: blur(8px);
  z-index: 2;
  font-family: var(--sp-font-mono);
}

/* Product Card Link */
.sub-page-product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.sub-page-product-card-link:hover {
  color: inherit;
}

/* STL Placeholder */
.sub-page-stl-placeholder {
  min-height: 220px;
  color: var(--sp-text-muted);
}

/* ═══ Calculator ═══ */
.sub-page-calc-container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--sp-bg-card);
  border-radius: var(--sp-radius-lg);
  border: 1px solid var(--sp-border-color);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.sub-page-calc-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sp-accent-blue);
  opacity: 0.6;
}

.sub-page-calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.sub-page-calc-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sub-page-calc-field.full {
  grid-column: 1 / -1;
}

.sub-page-calc-field label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--sp-text-muted);
  font-family: var(--sp-font-mono);
}

.sub-page-calc-field input,
.sub-page-calc-field textarea {
  padding: 14px 18px;
  border-radius: var(--sp-radius);
  border: 1px solid var(--sp-border-color);
  background: var(--sp-bg-input);
  color: var(--sp-text-primary);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--sp-transition);
  outline: none;
  font-family: var(--sp-font-sans);
}

.sub-page-calc-field input::-webkit-inner-spin-button,
.sub-page-calc-field input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.sub-page-calc-field input[type=number] {
  -moz-appearance: textfield;
}

.sub-page-calc-field input:focus,
.sub-page-calc-field textarea:focus {
  border-color: var(--sp-accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
}

.sub-page-calc-field textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.sub-page-calc-section-title {
  grid-column: 1 / -1;
  font-size: 1rem;
  font-family: var(--sp-font-sans);
  font-weight: 700;
  color: var(--sp-text-primary);
  border-bottom: 1px solid var(--sp-border-color);
  padding-bottom: 10px;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}

.sub-page-time-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.sub-page-time-box {
  position: relative;
}

.sub-page-time-box input {
  width: 100%;
  padding-right: 48px;
}

.sub-page-time-box span {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--sp-text-muted);
  pointer-events: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-family: var(--sp-font-mono);
}

.sub-page-multiplier-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sub-page-mult-btn {
  flex: 1;
  padding: 14px;
  border-radius: var(--sp-radius);
  border: 1px solid var(--sp-border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--sp-text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--sp-transition);
}

.sub-page-mult-btn:hover {
  border-color: var(--sp-accent-blue);
  color: var(--sp-accent-blue);
}

.sub-page-mult-btn.active {
  background: var(--sp-accent-blue);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}

.sub-page-calc-result {
  margin-top: 36px;
  text-align: center;
  padding: 36px;
  border-radius: var(--sp-radius-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--sp-border-color);
}

.sub-page-calc-result .result-label {
  font-size: 0.7rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--sp-text-muted);
  margin-bottom: 12px;
  font-family: var(--sp-font-mono);
}

.sub-page-calc-result .result-value {
  font-family: var(--sp-font-sans);
  font-size: 3rem;
  font-weight: 800;
  color: var(--sp-accent-blue);
  line-height: 1;
}

.sub-page-calc-result .result-breakdown {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--sp-text-muted);
  line-height: 1.8;
}

/* ═══ Footer ═══ */
.sub-page-footer {
  padding: 80px 48px 40px;
  background: var(--sp-bg-primary);
  border-top: 1px solid var(--sp-border-color);
  text-align: center;
  position: relative;
  z-index: 1;
}

.sub-page-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  text-align: left;
  gap: 48px;
  margin-bottom: 48px;
}

.sub-page-footer-brand {
  text-align: left;
}

.sub-page-footer-brand img {
  height: 36px;
  margin-bottom: 12px;
  filter: invert(1) brightness(2);
}

.sub-page-footer p {
  color: var(--sp-text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.sub-page-footer h4 {
  font-family: var(--sp-font-sans);
  margin-bottom: 20px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--sp-text-primary);
  letter-spacing: 0.02em;
}

.sub-page-footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sub-page-footer-links a {
  color: var(--sp-text-muted);
  font-size: 0.85rem;
  transition: color var(--sp-transition);
}

.sub-page-footer-links a:hover {
  color: var(--sp-text-primary);
}

.sub-page-footer-bottom {
  border-top: 1px solid var(--sp-border-color);
  padding-top: 24px;
}

.sub-page-footer-bottom p {
  font-size: 0.75rem;
  color: var(--sp-text-muted);
}

.sub-page-newsletter-form {
  display: flex;
  gap: 8px;
}

.sub-page-newsletter-input {
  padding: 12px 16px;
  border-radius: var(--sp-radius-pill);
  border: 1px solid var(--sp-border-color);
  background: var(--sp-bg-input);
  color: var(--sp-text-primary);
  outline: none;
  width: 200px;
  font-size: 0.85rem;
  transition: border-color var(--sp-transition);
}

.sub-page-newsletter-input:focus {
  border-color: var(--sp-accent-blue);
}

/* ═══ Particles Canvas ═══ */
.sub-page-root #particles-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

/* ═══ Modal ═══ */
.sub-page-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sp-transition);
}

.sub-page-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.sub-page-modal {
  background: var(--sp-bg-card);
  border-radius: var(--sp-radius-lg);
  border: 1px solid var(--sp-border-color);
  max-width: 500px;
  width: 90%;
  padding: 36px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--sp-transition);
}

.sub-page-modal-overlay.active .sub-page-modal {
  transform: translateY(0);
}

.sub-page-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: var(--sp-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
  color: var(--sp-text-muted);
  font-size: 1.1rem;
  transition: all var(--sp-transition);
}

.sub-page-modal-close:hover {
  background: rgba(255, 60, 60, 0.1);
  color: #ff3c3c;
}

/* ═══ Animations ═══ */
@keyframes sp-fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sp-fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes sp-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.sub-page-animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.sub-page-animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  .sub-page-header {
    padding: 0 20px;
  }

  .sub-page-nav {
    position: fixed;
    top: var(--sp-header-h);
    left: 0;
    width: 100%;
    background: var(--sp-bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--sp-border-color);
    transform: translateY(-120%);
    transition: transform var(--sp-transition);
    gap: 4px;
  }

  .sub-page-nav.open {
    transform: translateY(0);
  }

  .sub-page-menu-burger {
    display: flex;
  }

  .sub-page-hero {
    padding: 140px 20px 80px;
  }

  .sub-page-section {
    padding: 80px 20px;
  }

  .sub-page-calc-grid {
    grid-template-columns: 1fr;
  }

  .sub-page-products-grid {
    grid-template-columns: 1fr;
  }

  .sub-page-hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .sub-page-footer-inner {
    flex-direction: column;
    gap: 40px;
  }

  .sub-page-footer {
    padding: 60px 20px 30px;
  }
}

@media (max-width: 480px) {
  .sub-page-calc-container {
    padding: 24px;
  }

  .sub-page-calc-result .result-value {
    font-size: 2rem;
  }

  .sub-page-hero-badge {
    font-size: 0.6rem;
    letter-spacing: 1.5px;
    padding: 6px 16px;
  }

  .sub-page-time-inputs {
    grid-template-columns: 1fr;
  }
}

/* ═══ Legacy class compatibility layer ═══ */
/* Maps old class names used by JS (tienda.js, stls.js, calculadora.js)
   to new prefixed styles. This avoids rewriting all JS files. */

.sub-page-root .product-card {
  background: var(--sp-bg-card);
  border-radius: var(--sp-radius-lg);
  border: 1px solid var(--sp-border-color);
  overflow: hidden;
  transition: all var(--sp-transition);
  position: relative;
}
.sub-page-root .product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
  border-color: var(--sp-border-hover);
}
.sub-page-root .product-card .card-img {
  height: 220px;
  background: var(--sp-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.sub-page-root .product-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.sub-page-root .product-card:hover .card-img img {
  transform: scale(1.06);
}
.sub-page-root .product-card .card-body {
  padding: 24px;
}
.sub-page-root .product-card .card-title {
  font-family: var(--sp-font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--sp-text-primary);
}
.sub-page-root .product-card .card-stars {
  color: #FFD700;
  font-size: 1rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}
.sub-page-root .product-card .card-desc {
  font-size: 0.85rem;
  color: var(--sp-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}
.sub-page-root .product-card .card-price {
  font-family: var(--sp-font-sans);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--sp-accent-blue);
  margin-bottom: 16px;
}
.sub-page-root .product-card .card-price small {
  font-size: 0.7rem;
  color: var(--sp-text-muted);
  font-weight: 400;
}
.sub-page-root .product-card .card-cta {
  margin-top: 16px;
  padding: 12px 24px;
  border-radius: var(--sp-radius-pill);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  background: var(--sp-accent-blue);
  color: #fff;
  transition: all var(--sp-transition);
}
.sub-page-root .product-card:hover .card-cta {
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.35);
}
.sub-page-root .product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.sub-page-root .product-card-link:hover {
  color: inherit;
}
.sub-page-root .badge-digital {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  border-radius: var(--sp-radius-pill);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: rgba(26, 255, 117, 0.1);
  color: var(--sp-accent-green);
  border: 1px solid rgba(26, 255, 117, 0.2);
  backdrop-filter: blur(8px);
  z-index: 2;
  font-family: var(--sp-font-mono);
}
.sub-page-root .stl-placeholder {
  min-height: 220px;
  color: var(--sp-text-muted);
}

/* Legacy calc classes used by calculadora.js */
.sub-page-root .calc-container {
  max-width: 700px;
  margin: 0 auto;
  background: var(--sp-bg-card);
  border-radius: var(--sp-radius-lg);
  border: 1px solid var(--sp-border-color);
  padding: 48px;
  position: relative;
  overflow: hidden;
}
.sub-page-root .calc-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--sp-accent-blue);
  opacity: 0.6;
}
.sub-page-root .calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.sub-page-root .calc-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sub-page-root .calc-field.full {
  grid-column: 1 / -1;
}
.sub-page-root .calc-field label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--sp-text-muted);
  font-family: var(--sp-font-mono);
}
.sub-page-root .calc-field input,
.sub-page-root .calc-field textarea {
  padding: 14px 18px;
  border-radius: var(--sp-radius);
  border: 1px solid var(--sp-border-color);
  background: var(--sp-bg-input);
  color: var(--sp-text-primary);
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--sp-transition);
  outline: none;
  font-family: var(--sp-font-sans);
}
.sub-page-root .calc-field input::-webkit-inner-spin-button,
.sub-page-root .calc-field input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.sub-page-root .calc-field input[type=number] {
  -moz-appearance: textfield;
}
.sub-page-root .calc-field input:focus,
.sub-page-root .calc-field textarea:focus {
  border-color: var(--sp-accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
}
.sub-page-root .calc-section-title {
  grid-column: 1 / -1;
  font-size: 1rem;
  font-family: var(--sp-font-sans);
  font-weight: 700;
  color: var(--sp-text-primary);
  border-bottom: 1px solid var(--sp-border-color);
  padding-bottom: 10px;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
}
.sub-page-root .time-inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.sub-page-root .time-box {
  position: relative;
}
.sub-page-root .time-box input {
  width: 100%;
  padding-right: 48px;
}
.sub-page-root .time-box span {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7rem;
  color: var(--sp-text-muted);
  pointer-events: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-family: var(--sp-font-mono);
}
.sub-page-root .multiplier-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.sub-page-root .mult-btn {
  flex: 1;
  padding: 14px;
  border-radius: var(--sp-radius);
  border: 1px solid var(--sp-border-color);
  background: rgba(255, 255, 255, 0.03);
  color: var(--sp-text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--sp-transition);
}
.sub-page-root .mult-btn:hover {
  border-color: var(--sp-accent-blue);
  color: var(--sp-accent-blue);
}
.sub-page-root .mult-btn.active {
  background: var(--sp-accent-blue);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
}
.sub-page-root .calc-result {
  margin-top: 36px;
  text-align: center;
  padding: 36px;
  border-radius: var(--sp-radius-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--sp-border-color);
}
.sub-page-root .calc-result .result-label {
  font-size: 0.7rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--sp-text-muted);
  margin-bottom: 12px;
  font-family: var(--sp-font-mono);
}
.sub-page-root .calc-result .result-value {
  font-family: var(--sp-font-sans);
  font-size: 3rem;
  font-weight: 800;
  color: var(--sp-accent-blue);
  line-height: 1;
}
.sub-page-root .calc-result .result-breakdown {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--sp-text-muted);
  line-height: 1.8;
}

/* Legacy products-grid used by JS */
.sub-page-root .products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 24px;
}

/* Legacy animate-on-scroll used by app.js */
.sub-page-root .animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}
.sub-page-root .animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Legacy section-header used in HTML */
.sub-page-root .section-header {
  text-align: center;
  margin-bottom: 72px;
}
.sub-page-root .section-header h2 {
  font-family: var(--sp-font-sans);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--sp-text-primary);
}
.sub-page-root .section-header h2 span {
  font-family: var(--sp-font-serif);
  font-style: italic;
  font-weight: 400;
}
.sub-page-root .section-header p {
  color: var(--sp-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 400;
}
.sub-page-root .section-divider {
  width: 48px;
  height: 2px;
  background: var(--sp-accent-blue);
  border-radius: 2px;
  margin: 24px auto 0;
  opacity: 0.6;
}

/* Mobile legacy classes */
@media (max-width: 768px) {
  .sub-page-root .calc-grid {
    grid-template-columns: 1fr;
  }
  .sub-page-root .products-grid {
    grid-template-columns: 1fr;
  }
  .sub-page-root .time-inputs {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .sub-page-root .calc-container {
    padding: 24px;
  }
  .sub-page-root .calc-result .result-value {
    font-size: 2rem;
  }
}