/* ============================================================
   SECO Industrial Automation — Products & Demos Stylesheet
   FILE: css/products.css  |  Version 1.0.0
   ============================================================
   TABLE OF CONTENTS
   01. CSS Custom Properties
   02. Global Reset & Base
   03. Typography
   04. Utilities
   05. Admin Design Panel
   06. Page Header
   07. Section Layout
   08. Filter Bar
   09. Products Grid
   10. Flip Card — Stage
   11. Flip Card — Front Face
   12. Flip Card — Back Face
   13. Specs Table
   14. Benefit Badges
   15. Demos Section
   16. Demo Grid
   17. Video Modal
   18. Video Player & HLS
   19. Scroll Reveal Animations
   20. Scrollbar
   21. Responsive
   ============================================================ */


/* ============================================================
   01. CSS CUSTOM PROPERTIES
   All values injected / overridden by site.config.js via JS
   ============================================================ */
:root {
  /* Colors — set by ThemeEngine */
  --clr-primary:    #ff6600;
  --clr-primary-dk: #cc4e00;
  --clr-bg:         #080808;
  --clr-surface:    #101010;
  --clr-surface2:   #181818;
  --clr-border:     rgba(255,102,0,0.18);
  --clr-text:       #f5f5f5;
  --clr-muted:      #888888;
  --clr-glow:       rgba(255,102,0,0.32);

  /* Typography — set by DesignPanel */
  --font-display:   'Orbitron', monospace;
  --font-body:      'Rajdhani', sans-serif;
  --font-family:    'Rajdhani', sans-serif;
  --base-font-size: 16px;

  /* Layout */
  --section-py:   88px;
  --card-radius:  14px;
  --panel-radius: 12px;
  --container-w:  1700px;

  /* Easing */
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-inout:  cubic-bezier(0.4, 0, 0.2, 1);

  /* Durations */
  --dur-fast:   0.22s;
  --dur-mid:    0.42s;
  --dur-flip:   0.72s;
  --dur-reveal: 0.68s;
}


/* ============================================================
   02. GLOBAL RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family:              var(--font-family);
  font-size:                var(--base-font-size);
  background-color:         var(--clr-bg);
  color:                    var(--clr-text);
  overflow-x:               hidden;
  line-height:              1.65;
  -webkit-font-smoothing:   antialiased;
  -moz-osx-font-smoothing:  grayscale;
}

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


/* ============================================================
   03. TYPOGRAPHY
   ============================================================ */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size:      0.68rem;
  font-weight:    700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color:          var(--clr-primary);
  background:     rgba(255,102,0,0.07);
  border:         1px solid rgba(255,102,0,0.25);
  padding:        5px 14px;
  border-radius:  50px;
  margin-bottom:  14px;
}

.section-label::before {
  content:       '';
  width:         6px;
  height:        6px;
  border-radius: 50%;
  background:    var(--clr-primary);
  flex-shrink:   0;
}

.section-title {
  font-size:      clamp(1.85rem, 3.6vw, 2.9rem);
  font-weight:    800;
  letter-spacing: 0.02em;
  line-height:    1.1;
  margin-bottom:  12px;
}

.section-title em {
  font-style: normal;
  color:      var(--clr-primary);
}

.section-desc {
  font-size:   0.95rem;
  color:       var(--clr-muted);
  line-height: 1.78;
  max-width:   540px;
}


/* ============================================================
   04. UTILITIES
   ============================================================ */
.container {
  width:     100%;
  max-width: var(--container-w);
  margin:    0 auto;
  padding:   0 24px;
}

.text-center { text-align: center; }
.text-center .section-desc { margin: 0 auto; }

.divider {
  height:     1px;
  background: linear-gradient(90deg, transparent, var(--clr-border), transparent);
  border:     none;
}


/* ============================================================
   05. ADMIN DESIGN PANEL
   Hidden from end-users. showAdminPanel feature flag controls
   visibility of the toggle button entirely.
   ============================================================ */
#adminToggleBtn {
  position:       fixed;
  top:            20px;
  right:          20px;
  z-index:        2000;
  display:        flex;
  align-items:    center;
  gap:            7px;
  background:     var(--clr-surface2);
  color:          var(--clr-primary);
  border:         1.5px solid var(--clr-border);
  border-radius:  8px;
  padding:        8px 16px;
  font-size:      0.72rem;
  font-weight:    700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition:
    background    var(--dur-fast) var(--ease-out),
    color         var(--dur-fast) var(--ease-out),
    border-color  var(--dur-fast) var(--ease-out);
}

#adminToggleBtn:hover {
  background:   var(--clr-primary);
  color:        #fff;
  border-color: var(--clr-primary);
}

/* Panel */
#designPanel {
  position:     fixed;
  top:          60px;
  right:        20px;
  z-index:      1990;
  width:        300px;
  background:   #0b0b0b;
  border:       1px solid rgba(255,102,0,0.22);
  border-radius: var(--panel-radius);
  padding:      22px;
  box-shadow:
    0 24px 64px rgba(0,0,0,0.88),
    inset 0 1px 0 rgba(255,255,255,0.03);
  opacity:         0;
  transform:       translateY(-8px) scale(0.97);
  pointer-events:  none;
  transition:
    opacity   var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out);
}

#designPanel.is-open {
  opacity:        1;
  transform:      translateY(0) scale(1);
  pointer-events: all;
}

.panel-header {
  font-size:      0.65rem;
  font-weight:    800;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color:          var(--clr-primary);
  border-bottom:  1px solid rgba(255,102,0,0.14);
  padding-bottom: 12px;
  margin-bottom:  20px;
  display:        flex;
  align-items:    center;
  gap:            8px;
}

.panel-group { margin-bottom: 20px; }
.panel-group:last-child { margin-bottom: 0; }

.panel-label {
  display:        block;
  font-size:      0.68rem;
  font-weight:    700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color:          #666;
  margin-bottom:  10px;
}

/* Theme swatches grid */
.theme-grid {
  display:               grid;
  grid-template-columns: repeat(2,1fr);
  gap:                   8px;
}

.theme-swatch {
  padding:        9px 8px;
  border-radius:  7px;
  border:         2px solid transparent;
  font-size:      0.65rem;
  font-weight:    700;
  letter-spacing: 0.04em;
  text-align:     center;
  cursor:         pointer;
  line-height:    1.35;
  transition:
    border-color var(--dur-fast),
    transform    var(--dur-fast);
}

.theme-swatch:hover        { transform: scale(1.04); }
.theme-swatch.active       { border-color: #fff !important; }

.swatch--dark-orange  { background: linear-gradient(135deg,#ff6600 0%,#1a0800 100%); color:#fff; }
.swatch--dark-white   { background: linear-gradient(135deg,#ffffff 0%,#222222 100%); color:#fff; }
.swatch--light-orange { background: linear-gradient(135deg,#e85500 0%,#f4f4f4 100%); color:#111; }
.swatch--steel-blue   { background: linear-gradient(135deg,#3a8fc7 0%,#060d14 100%); color:#fff; }

/* Font selector */
.panel-select {
  width:           100%;
  background:      #141414;
  color:           var(--clr-text);
  border:          1.5px solid rgba(255,102,0,0.2);
  border-radius:   7px;
  padding:         9px 32px 9px 12px;
  font-size:       0.82rem;
  outline:         none;
  cursor:          pointer;
  appearance:      none;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23ff6600' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat:   no-repeat;
  background-position: right 10px center;
  background-size:     10px;
  transition: border-color var(--dur-fast);
}

.panel-select:focus { border-color: var(--clr-primary); }

/* Font size slider */
.slider-wrap {
  display:     flex;
  align-items: center;
  gap:         12px;
}

.panel-slider {
  flex:              1;
  -webkit-appearance: none;
  height:            3px;
  background:        #2a2a2a;
  border-radius:     2px;
  outline:           none;
}

.panel-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width:              16px;
  height:             16px;
  border-radius:      50%;
  background:         var(--clr-primary);
  cursor:             pointer;
  transition:         transform var(--dur-fast);
}

.panel-slider::-webkit-slider-thumb:hover { transform: scale(1.3); }
.panel-slider::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--clr-primary);
  border: none; cursor: pointer;
}

.slider-value {
  font-size:      0.75rem;
  font-weight:    700;
  color:          var(--clr-primary);
  min-width:      36px;
  text-align:     right;
}


/* ============================================================
   06. PAGE HEADER
   ============================================================ */
.page-header {
  background:  var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding:     64px 0 48px;
  position:    relative;
  overflow:    hidden;
}

/* Animated grid texture */
.page-header::before {
  content:    '';
  position:   absolute;
  inset:      0;
  background-image:
    linear-gradient(rgba(255,102,0,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,102,0,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
  animation:  gridScroll 20s linear infinite;
  pointer-events: none;
}

/* Glow orb top-right */
.page-header::after {
  content:      '';
  position:     absolute;
  top:          -80px;
  right:        -80px;
  width:        480px;
  height:       480px;
  border-radius: 50%;
  background:   radial-gradient(ellipse, rgba(255,102,0,0.1) 0%, transparent 70%);
  pointer-events: none;
}

@keyframes gridScroll {
  0%   { transform: translateY(0); }
  100% { transform: translateY(50px); }
}

.page-header__inner { position: relative; z-index: 1; }

.page-header__breadcrumb {
  display:        flex;
  align-items:    center;
  gap:            8px;
  font-size:      0.72rem;
  font-weight:    600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color:          var(--clr-muted);
  margin-bottom:  18px;
}

.page-header__breadcrumb a {
  color:      var(--clr-primary);
  transition: opacity var(--dur-fast);
}
.page-header__breadcrumb a:hover { opacity: 0.75; }

.page-header__title {
  font-family:    var(--font-display);
  font-size:      clamp(2.2rem, 5vw, 3.8rem);
  font-weight:    900;
  line-height:    1.0;
  letter-spacing: -0.01em;
  margin-bottom:  14px;
}

.page-header__title em { font-style: normal; color: var(--clr-primary); }

.page-header__sub {
  font-size:   0.95rem;
  color:       var(--clr-muted);
  max-width:   520px;
  line-height: 1.72;
}

/* Stats row */
.header-stats {
  display:    flex;
  gap:        40px;
  margin-top: 32px;
  flex-wrap:  wrap;
}

.header-stat__num {
  font-family: var(--font-display);
  font-size:   1.7rem;
  font-weight: 900;
  color:       var(--clr-primary);
  line-height: 1;
}

.header-stat__lbl {
  font-size:      0.68rem;
  font-weight:    600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color:          #555;
  margin-top:     4px;
}


/* ============================================================
   07. SECTION LAYOUT
   ============================================================ */
.section {
  padding: var(--section-py) 0;
}

.section--alt { background: var(--clr-surface); }

.section__header { margin-bottom: 50px; }


/* ============================================================
   08. FILTER BAR
   ============================================================ */
.filter-bar {
  display:       flex;
  align-items:   center;
  gap:           8px;
  flex-wrap:     wrap;
  margin-bottom: 44px;
}

.filter-btn {
  background:     transparent;
  color:          var(--clr-muted);
  border:         1.5px solid rgba(255,255,255,0.08);
  border-radius:  7px;
  padding:        8px 18px;
  font-size:      0.74rem;
  font-weight:    700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition:
    background   var(--dur-fast),
    color        var(--dur-fast),
    border-color var(--dur-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background:   var(--clr-primary);
  color:        #fff;
  border-color: var(--clr-primary);
}


/* ============================================================
   09. PRODUCTS GRID
   ============================================================ */
.products-grid {
  display:               grid;
  grid-template-columns: repeat(4,1fr);
  gap:                   28px;
}


/* ============================================================
   10. FLIP CARD — STAGE
   ============================================================ */
.flip-wrapper {
  perspective: 1400px;
  height:      580px;
}

/* Inner — the rotating element */
.flip-inner {
  position:        relative;
  width:           100%;
  height:          100%;
  transform-style: preserve-3d;
  transition:
    transform var(--dur-flip) var(--ease-out),
    box-shadow var(--dur-mid) var(--ease-out);
  border-radius: var(--card-radius);
}

/* Hover lift + glow */
.flip-wrapper:hover .flip-inner {
  box-shadow: 0 22px 60px var(--clr-glow);
}

/* Flipped state */
.flip-wrapper.is-flipped .flip-inner {
  transform: rotateY(180deg);
}

/* Shared face rules */
.flip-face {
  position:           absolute;
  inset:              0;
  border-radius:      var(--card-radius);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  overflow:           hidden;
}


/* ============================================================
   11. CARD FRONT FACE
   ============================================================ */
.flip-front {
  background:  var(--clr-surface);
  border:      1px solid rgba(255,255,255,0.07);
  display:     flex;
  flex-direction: column;
  transition:
    border-color var(--dur-mid),
    transform    var(--dur-mid) var(--ease-out);
}

/* Lift on hover (only when not flipped) */
.flip-wrapper:not(.is-flipped):hover .flip-front {
  border-color: var(--clr-border);
  transform:    translateY(-5px);
}

/* Image area */
.card-media {
  position:   relative;
  height:     220px;
  overflow:   hidden;
  background: #0a0a0a;
  flex-shrink: 0;
}

.card-media img {
  width:      100%;
  height:     100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease-out);
}

.flip-wrapper:hover .card-media img { transform: scale(1.07); }

/* Gradient vignette */
.card-media__vignette {
  position:   absolute;
  inset:      0;
  background: linear-gradient(180deg, transparent 40%, var(--clr-surface) 100%);
  pointer-events: none;
}

/* Product badge */
.card-badge {
  position:       absolute;
  top:            13px;
  left:           13px;
  font-size:      0.62rem;
  font-weight:    800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding:        4px 10px;
  border-radius:  5px;
}

.card-badge--primary { background: var(--clr-primary); color: #fff; }
.card-badge--success  { background: #16a34a;            color: #fff; }
.card-badge--info     { background: #0ea5e9;            color: #fff; }

/* Card body */
.card-body {
  padding:        20px 20px 18px;
  display:        flex;
  flex-direction: column;
  flex:           1;
}

.card-tagline {
  font-size:      0.7rem;
  font-weight:    600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color:          var(--clr-primary);
  margin-bottom:  5px;
}

.card-name {
  font-size:      1.08rem;
  font-weight:    800;
  letter-spacing: 0.03em;
  color:          var(--clr-text);
  margin-bottom:  9px;
}

.card-desc {
  font-size:     0.82rem;
  color:         var(--clr-muted);
  line-height:   1.6;
  flex:          1;
  margin-bottom: 12px;
}

/* Price block — conditionally rendered by JS */
.card-price {
  display:       flex;
  align-items:   baseline;
  gap:           4px;
  margin-bottom: 14px;
}

.card-price__label    { font-size: 0.65rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clr-muted); }
.card-price__currency { font-size: 0.9rem;  font-weight: 700; color: var(--clr-muted); }
.card-price__amount   { font-family: var(--font-display); font-size: 1.4rem; font-weight: 900; color: var(--clr-primary); }

/* Benefit badges row */
.benefit-row {
  display:       flex;
  gap:           8px;
  margin-bottom: 14px;
}

.benefit-badge {
  flex:       1;
  background: rgba(255,102,0,0.07);
  border:     1px solid rgba(255,102,0,0.16);
  border-radius: 8px;
  padding:    7px 6px;
  text-align: center;
}

.benefit-badge__icon { font-size: 1rem; color: var(--clr-primary); margin-bottom: 3px; }
.benefit-badge__val  { font-family: var(--font-display); font-size: 0.85rem; font-weight: 900; color: #fff; line-height: 1; }
.benefit-badge__lbl  { font-size: 0.58rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--clr-muted); margin-top: 2px; }

/* CTA row */
.card-actions {
  display: flex;
  gap:     8px;
}

.btn-flip {
  flex:           1;
  background:     transparent;
  color:          var(--clr-primary);
  border:         1.5px solid var(--clr-primary);
  border-radius:  7px;
  padding:        9px 12px;
  font-size:      0.72rem;
  font-weight:    700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display:        flex;
  align-items:    center;
  justify-content: center;
  gap:            6px;
  transition:
    background var(--dur-fast),
    color      var(--dur-fast),
    transform  var(--dur-fast) var(--ease-out);
}

.btn-flip:hover {
  background: var(--clr-primary);
  color:      #fff;
  transform:  translateY(-1px);
}

.btn-demo {
  background:    rgba(255,102,0,0.1);
  color:         var(--clr-primary);
  border:        1.5px solid rgba(255,102,0,0.25);
  border-radius: 7px;
  padding:       9px 14px;
  font-size:     0.9rem;
  display:       flex;
  align-items:   center;
  justify-content: center;
  transition:
    background var(--dur-fast),
    transform  var(--dur-fast) var(--ease-out);
}

.btn-demo:hover {
  background: var(--clr-primary);
  color:      #fff;
  transform:  translateY(-1px);
}


/* ============================================================
   12. CARD BACK FACE
   ============================================================ */
.flip-back {
  background: linear-gradient(155deg, #0f0f0f 0%, #090909 100%);
  border:     1px solid rgba(255,102,0,0.22);
  transform:  rotateY(180deg);
  display:    flex;
  flex-direction: column;
  padding:    18px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-primary) transparent;
}

.flip-back::-webkit-scrollbar       { width: 3px; }
.flip-back::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 2px; }

.back-header {
  display:        flex;
  align-items:    center;
  justify-content: space-between;
  margin-bottom:  12px;
  padding-bottom: 11px;
  border-bottom:  1px solid rgba(255,102,0,0.14);
  flex-shrink:    0;
}

.back-title {
  font-size:      0.88rem;
  font-weight:    800;
  letter-spacing: 0.04em;
  color:          var(--clr-primary);
}

.back-close-btn {
  background:    rgba(255,102,0,0.1);
  border:        1px solid rgba(255,102,0,0.2);
  color:         var(--clr-primary);
  width:         27px;
  height:        27px;
  border-radius: 50%;
  display:       flex;
  align-items:   center;
  justify-content: center;
  font-size:     0.75rem;
  flex-shrink:   0;
  transition:    background var(--dur-fast);
}

.back-close-btn:hover { background: var(--clr-primary); color: #fff; }

/* Industry tags */
.back-tags {
  display:    flex;
  flex-wrap:  wrap;
  gap:        5px;
  margin-bottom: 12px;
  flex-shrink: 0;
}

.back-tag {
  font-size:      0.6rem;
  font-weight:    600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background:     rgba(255,255,255,0.04);
  border:         1px solid rgba(255,255,255,0.09);
  color:          #999;
  padding:        3px 9px;
  border-radius:  4px;
}

/* Specs table */
.specs-table {
  width:           100%;
  border-collapse: collapse;
  margin-bottom:   12px;
  flex-shrink:     0;
}

.specs-table tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.specs-table tr:last-child { border-bottom: none; }

.specs-table td {
  padding:     5px 0;
  font-size:   0.73rem;
  line-height: 1.4;
}

.specs-table td:first-child {
  color:          var(--clr-muted);
  font-weight:    600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding-right:  14px;
  width:          44%;
}

.specs-table td:last-child { color: var(--clr-text); }

/* Feature list */
.back-features {
  flex:          1;
  display:       flex;
  flex-direction: column;
  gap:           6px;
  margin-bottom: 14px;
  overflow-y:    auto;
}

.back-feature-item {
  display:     flex;
  align-items: flex-start;
  gap:         8px;
  font-size:   0.76rem;
  color:       rgba(255,255,255,0.7);
  line-height: 1.45;
}

.back-feature-item::before {
  content:    '▸';
  color:      var(--clr-primary);
  font-size:  0.66rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* Demo video CTA */
.back-video-cta {
  display:     flex;
  align-items: center;
  gap:         12px;
  background:  rgba(255,102,0,0.08);
  border:      1px solid rgba(255,102,0,0.24);
  border-radius: 9px;
  padding:     11px 13px;
  cursor:      pointer;
  flex-shrink: 0;
  transition:
    background var(--dur-fast),
    transform  var(--dur-fast) var(--ease-out);
}

.back-video-cta:hover {
  background: rgba(255,102,0,0.16);
  transform:  translateY(-1px);
}

.back-video-cta__icon {
  width:         34px;
  height:        34px;
  border-radius: 50%;
  background:    var(--clr-primary);
  display:       flex;
  align-items:   center;
  justify-content: center;
  color:         #fff;
  font-size:     0.9rem;
  flex-shrink:   0;
}

.back-video-cta__text { flex: 1; }
.back-video-cta__label { font-size: 0.77rem; font-weight: 700; letter-spacing: 0.05em; color: #fff; }
.back-video-cta__sub   { font-size: 0.63rem; color: var(--clr-muted); margin-top: 1px; }
.back-video-cta__arrow { font-size: 0.85rem; color: var(--clr-primary); }


/* ============================================================
   15. DEMOS SECTION
   ============================================================ */
.demos-section {
  padding: var(--section-py) 0;
}


/* ============================================================
   16. DEMO GRID
   ============================================================ */
.demo-grid {
  display:               grid;
  grid-template-columns: repeat(3,1fr);
  gap:                   18px;
}

/* First item spans 2 columns */
.demo-grid .demo-item:first-child { grid-column: span 2; }

.demo-item {
  position:      relative;
  border-radius: var(--card-radius);
  overflow:      hidden;
  background:    #0a0a0a;
  border:        1px solid rgba(255,255,255,0.06);
  cursor:        pointer;
  aspect-ratio:  16 / 9;
  transition:
    border-color var(--dur-mid),
    transform    var(--dur-mid) var(--ease-out),
    box-shadow   var(--dur-mid);
}

.demo-item:hover {
  border-color: rgba(255,102,0,0.4);
  transform:    scale(1.018);
  box-shadow:
    0 14px 44px rgba(0,0,0,0.65),
    0 0 0 1px rgba(255,102,0,0.1);
}

.demo-item__thumb {
  width:      100%;
  height:     100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.demo-item:hover .demo-item__thumb { transform: scale(1.06); }

/* Overlay gradient */
.demo-item__overlay {
  position:   absolute;
  inset:      0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.18) 50%, transparent 100%);
}

/* Play button (video only) */
.demo-item__play {
  position:      absolute;
  top:           50%;
  left:          50%;
  transform:     translate(-50%,-50%) scale(0.82);
  width:         52px;
  height:        52px;
  border-radius: 50%;
  background:    rgba(255,102,0,0.88);
  display:       flex;
  align-items:   center;
  justify-content: center;
  color:         #fff;
  font-size:     1.2rem;
  opacity:       0;
  box-shadow:    0 8px 32px rgba(255,102,0,0.5);
  transition:
    opacity   var(--dur-mid),
    transform var(--dur-mid) var(--ease-out);
}

.demo-item:hover .demo-item__play {
  opacity:   1;
  transform: translate(-50%,-50%) scale(1);
}

/* Type icon */
.demo-item__type-icon {
  position:      absolute;
  top:           12px;
  right:         12px;
  width:         26px;
  height:        26px;
  border-radius: 6px;
  background:    rgba(0,0,0,0.55);
  border:        1px solid rgba(255,255,255,0.12);
  display:       flex;
  align-items:   center;
  justify-content: center;
  color:         #fff;
  font-size:     0.72rem;
}

/* Bottom info strip */
.demo-item__info {
  position: absolute;
  bottom:   0;
  left:     0;
  right:    0;
  padding:  14px 16px;
  display:  flex;
  align-items: flex-end;
  justify-content: space-between;
  gap:      10px;
}

.demo-item__label {
  font-size:   0.78rem;
  font-weight: 700;
  color:       #fff;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
}

.demo-item__badge {
  font-size:      0.58rem;
  font-weight:    800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background:     var(--clr-primary);
  color:          #fff;
  padding:        3px 9px;
  border-radius:  4px;
  flex-shrink:    0;
}


/* ============================================================
   17. VIDEO MODAL
   ============================================================ */
.modal-backdrop {
  position:       fixed;
  inset:          0;
  background:     rgba(0,0,0,0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index:        9000;
  display:        flex;
  align-items:    center;
  justify-content: center;
  padding:        20px;
  opacity:        0;
  pointer-events: none;
  transition:     opacity var(--dur-mid) var(--ease-out);
}

.modal-backdrop.is-open {
  opacity:        1;
  pointer-events: all;
}

.modal-box {
  background:    #0c0c0c;
  border:        1px solid rgba(255,102,0,0.24);
  border-radius: 16px;
  width:         100%;
  max-width:     900px;
  overflow:      hidden;
  transform:     scale(0.94) translateY(18px);
  transition:    transform var(--dur-mid) var(--ease-out);
  box-shadow:
    0 40px 100px rgba(0,0,0,0.92),
    0 0 0 1px rgba(255,102,0,0.05);
}

.modal-backdrop.is-open .modal-box {
  transform: scale(1) translateY(0);
}

/* Modal header */
.modal-header {
  display:         flex;
  align-items:     center;
  justify-content: space-between;
  padding:         17px 22px;
  border-bottom:   1px solid rgba(255,102,0,0.14);
}

.modal-header__left { display: flex; align-items: center; gap: 12px; }

.modal-dot {
  width:         8px;
  height:        8px;
  border-radius: 50%;
  background:    var(--clr-primary);
  flex-shrink:   0;
}

.modal-title    { font-size: 0.9rem; font-weight: 800; letter-spacing: 0.05em; color: #fff; }
.modal-subtitle { font-size: 0.67rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--clr-muted); margin-top: 1px; }

.modal-close {
  background:    rgba(255,255,255,0.06);
  border:        1px solid rgba(255,255,255,0.1);
  color:         #fff;
  width:         32px;
  height:        32px;
  border-radius: 50%;
  display:       flex;
  align-items:   center;
  justify-content: center;
  font-size:     0.85rem;
  transition:    background var(--dur-fast), border-color var(--dur-fast);
}

.modal-close:hover { background: var(--clr-primary); border-color: var(--clr-primary); }

/* Player area */
.modal-player-wrap {
  background:   #000;
  position:     relative;
  aspect-ratio: 16 / 9;
}

/* ============================================================
   18. VIDEO PLAYER & HLS
   ============================================================ */
.modal-video-player {
  width:      100%;
  height:     100%;
  object-fit: contain;
  display:    block;
  background: #000;
}

/* Loading spinner */
.player-loading {
  position:       absolute;
  inset:          0;
  background:     rgba(0,0,0,0.72);
  display:        flex;
  align-items:    center;
  justify-content: center;
  z-index:        2;
  opacity:        0;
  pointer-events: none;
  transition:     opacity var(--dur-fast);
}

.player-loading.is-visible { opacity: 1; }

.spinner {
  width:         40px;
  height:        40px;
  border:        3px solid rgba(255,102,0,0.18);
  border-top-color: var(--clr-primary);
  border-radius: 50%;
  animation:     spin 0.75s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Quality selector bar */
.modal-quality-bar {
  display:     flex;
  align-items: center;
  gap:         8px;
  padding:     11px 20px;
  background:  #090909;
  border-top:  1px solid rgba(255,255,255,0.05);
  flex-wrap:   wrap;
}

.quality-label {
  font-size:      0.64rem;
  font-weight:    700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color:          var(--clr-muted);
}

#qualityBtns { display: flex; gap: 6px; flex-wrap: wrap; }

.quality-btn {
  background:     transparent;
  border:         1.5px solid rgba(255,255,255,0.12);
  color:          var(--clr-muted);
  border-radius:  5px;
  padding:        4px 12px;
  font-size:      0.68rem;
  font-weight:    700;
  letter-spacing: 0.08em;
  transition:
    background   var(--dur-fast),
    color        var(--dur-fast),
    border-color var(--dur-fast);
}

.quality-btn:hover,
.quality-btn.active {
  background:   var(--clr-primary);
  color:        #fff;
  border-color: var(--clr-primary);
}

.hls-badge {
  margin-left:    auto;
  font-size:      0.6rem;
  font-weight:    800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background:     rgba(255,102,0,0.1);
  border:         1px solid rgba(255,102,0,0.28);
  color:          var(--clr-primary);
  padding:        3px 10px;
  border-radius:  4px;
}


/* ============================================================
   19. SCROLL REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity:   0;
  transform: translateY(26px);
  transition:
    opacity   var(--dur-reveal) var(--ease-out),
    transform var(--dur-reveal) var(--ease-out);
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

.reveal--d1 { transition-delay: 0.08s; }
.reveal--d2 { transition-delay: 0.18s; }
.reveal--d3 { transition-delay: 0.28s; }


/* ============================================================
   20. SCROLLBAR
   ============================================================ */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 3px; }


/* ============================================================
   21. RESPONSIVE
   ============================================================ */

/* 2-column layout — tablet */
@media (max-width: 1100px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demo-grid .demo-item:first-child {
    grid-column: span 2;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-py: 60px;
  }

  .page-header { padding: 48px 0 36px; }

  .header-stats { gap: 22px; }

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

  .flip-wrapper { height: 560px; }

  .demo-grid {
    grid-template-columns: 1fr;
  }

  .demo-grid .demo-item:first-child {
    grid-column: span 1;
  }

  #designPanel {
    width: calc(100vw - 32px);
    right: 16px;
  }

  #adminToggleBtn { right: 16px; top: 16px; }

  .modal-box { border-radius: 12px; }
}

@media (max-width: 480px) {
  .header-stats    { gap: 16px; }
  .header-stat__num { font-size: 1.4rem; }
  .benefit-row     { gap: 6px; }
  .card-actions    { flex-direction: column; }
  .modal-quality-bar { gap: 6px; padding: 10px 14px; }
}