/* ==========================================================================
   Shivi Electronics System — Home page (Stitch "Industrial Precision & Power")
   Loaded after style.css on index.html only. Uses the shared theme variables
   (--purple = primary navy, --purple-deep = darker navy, --orange = accent)
   so the theme picker keeps working.
   ========================================================================== */

/* ---------- Hero ---------- */
.hero.hm-hero {
  padding: 88px 0 96px;
  color: #fff;
  /* Softer colour: theme colour mixed ~40% toward a neutral grey, glows halved */
  background:
    radial-gradient(700px 420px at 88% 8%, rgba(246, 140, 59, .10), transparent 20%),
    radial-gradient(600px 400px at 0% 100%, rgba(241, 107, 8, .07), transparent 30%),
    linear-gradient(160deg, var(--purple-deep) 0%, var(--purple) 55%, var(--purple-deep) 60%);
  background:
    radial-gradient(700px 420px at 88% 8%, rgba(246, 140, 59, .10), transparent 62%),
    radial-gradient(600px 400px at 0% 100%, rgba(241, 107, 8, .07), transparent 60%),
    linear-gradient(160deg,
      color-mix(in srgb, var(--purple-deep) 62%, #54453a) 0%,
      color-mix(in srgb, var(--purple) 62%, #5e4f44) 55%,
      color-mix(in srgb, var(--purple-deep) 62%, #54453a) 60%);
}
.hero.hm-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .09;
  background-image:
    linear-gradient(#faa360 1px, transparent 1px),
    linear-gradient(90deg, #faa360 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 85%);
}
/* Moving background: product line-up drifting slowly behind the hero */
.hero.hm-hero { position: relative; overflow: hidden; }
.hm-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hm-bg::before {
  content: ""; position: absolute; inset: 0; opacity: .34;
  background: url("../img/hero-bg.webp") 0 100% / auto 92% repeat-x;
  animation: hmDrift 70s linear infinite alternate;
  will-change: background-position;
}
.hm-bg::after { /* keep the headline side calm and readable */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(90deg, var(--purple-deep) 0%, rgba(80, 41, 11, .78) 34%, rgba(80, 41, 11, 0) 72%),
    linear-gradient(0deg, var(--purple-deep) 0%, transparent 28%);
}
@keyframes hmDrift { from { background-position: 0 100%; } to { background-position: -3000px 100%; } }
@media (prefers-reduced-motion: reduce) { .hm-bg::before { animation: none; } }
@media (max-width: 720px) { .hm-bg::before { opacity: .2; background-size: auto 60%; } }
.hm-hero .container { position: relative; z-index: 1; }
.hm-hero .hero-grid { grid-template-columns: 1.15fr .85fr; gap: 56px; }
.hm-hero .eyebrow { color: #ffd7b0; }
.hm-hero .eyebrow::before { background: var(--orange); }
.hm-hero h1 { color: #fff; font-size: clamp(36px, 5.2vw, 60px); font-weight: 800; letter-spacing: -0.02em; }
.hm-hero h1 .accent {
  background: none; -webkit-background-clip: initial; background-clip: initial;
  color: #ffb27a;
}
.hm-hero p.lead { color: #f5e2d3; font-size: 18px; max-width: 560px; }
.hm-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; }
.hm-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-radius: 8px;
  background: rgba(255, 255, 255, .09); border: 1px solid rgba(255, 255, 255, .14);
  font-size: 12px; font-weight: 600; letter-spacing: .03em; color: #fff3ea;
}
.hm-chip .icon { width: 15px; height: 15px; color: #ffb27a; }

.hm-hero .hero-actions { margin-top: 30px; }

.hm-hero .hero-trust { margin-top: 40px; gap: 34px; }
.hm-hero .hero-trust div strong { color: #fff; font-size: 26px; font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; }
.hm-hero .hero-trust div span { color: #e0c1a9; }

/* Hero series showcase (real products) */
.hm-showcase {
  aspect-ratio: auto; max-width: 460px; margin: 0 0 0 auto;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 22px; padding: 14px;
  backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px -24px rgba(0, 0, 0, .55);
}
.hm-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 4px; background: rgba(0, 0, 0, .22); border-radius: 12px; margin-bottom: 12px; }
.hm-tab {
  border: 0; background: transparent; color: #eaceb9; cursor: pointer;
  padding: 9px 6px; border-radius: 9px; font-weight: 700; font-size: 13px; letter-spacing: .02em;
}
.hm-tab:hover { color: #fff; }
.hm-tab[aria-selected="true"] { background: #fff; color: var(--purple); }
.hm-photo {
  background: radial-gradient(circle at 50% 35%, #ffffff, #f5e9df);
  border-radius: 14px; min-height: 300px; display: flex; align-items: center; justify-content: center;
  padding: 18px; position: relative;
}
.hm-photo img { height: 260px; width: auto; max-width: 100%; object-fit: contain; filter: drop-shadow(0 14px 18px rgba(92, 46, 10, .28)); }
.hm-photo .hm-tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--purple); color: #fff; font-size: 11px; letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 9px; border-radius: 6px; font-weight: 700;
}
.hm-specs { margin: 12px 0 0; padding: 12px; background: rgba(36, 19, 6, .55); border-radius: 12px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.hm-specs div { min-width: 0; }
.hm-specs dt { font-size: 10.5px; color: #d6ae8f; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 2px; }
.hm-specs dd { margin: 0; color: #fff; font-weight: 700; font-size: 14px; }
.hm-showcase-note { font-size: 11.5px; color: #d6ae8f; margin: 10px 4px 0; }

/* ---------- Facts strip ---------- */
.hm-facts { background: #fff; border-bottom: 1px solid var(--border); position: relative; z-index: 2; }
.hm-facts .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.hm-fact { padding: 26px 22px; border-left: 3px solid var(--orange); margin: 22px 0; background: #fcfaf8; border-radius: 0 10px 10px 0; margin-right: 14px; }
.hm-fact:last-child { margin-right: 0; }
.hm-fact strong { display: block; font-size: 26px; color: var(--purple); font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; line-height: 1.1; }
.hm-fact span { font-size: 13px; color: var(--text-dim); }

/* ---------- Series cards ---------- */
.hm-series { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.hm-scard {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid #f0e8e2; border-radius: 18px; overflow: hidden;
  box-shadow: 0 4px 16px -2px rgba(49, 27, 10, .05);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.hm-scard:hover { transform: translateY(-4px); border-color: #f5bd93; box-shadow: 0 16px 34px -8px rgba(103, 45, 1, .16), 0 0 14px rgba(246, 140, 59, .15); }
.hm-scard-photo { background: linear-gradient(180deg, #fbf5f1, #f6ece4); padding: 24px 20px 16px; display: flex; justify-content: center; align-items: center; height: 250px; position: relative; }
.hm-scard-photo img { height: 200px; width: auto; object-fit: contain; filter: drop-shadow(0 12px 14px rgba(92, 46, 10, .22)); }
.hm-badge {
  position: absolute; top: 14px; left: 14px;
  background: var(--purple); color: #fff; padding: 5px 10px; border-radius: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: .06em;
}
.hm-scard-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.hm-scard-body h3 { font-size: 24px; margin: 0 0 4px; color: var(--purple); }
.hm-range { font-size: 13px; font-weight: 700; color: #c2540a; margin-bottom: 10px; }
.hm-scard-body p { font-size: 14.5px; }
.hm-list { margin: 4px 0 18px; display: grid; gap: 8px; }
.hm-list li { display: flex; gap: 8px; align-items: flex-start; font-size: 14px; color: var(--text-dim); }
.hm-list .icon { width: 16px; height: 16px; color: var(--green); flex-shrink: 0; margin-top: 3px; }
.hm-scard-actions { margin-top: auto; display: flex; gap: 10px; }
.hm-scard-actions .btn { flex: 1; padding: 12px 14px; font-size: 14px; border-radius: 10px; }

/* ---------- Range tiles ---------- */
.hm-range-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.hm-tile {
  background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 22px 18px;
  display: flex; flex-direction: column; gap: 8px; transition: transform .15s ease, border-color .15s ease, box-shadow .15s ease;
}
.hm-tile:hover { transform: translateY(-3px); border-color: var(--purple); box-shadow: var(--shadow); }
.hm-tile .ico-wrap { margin-bottom: 4px; }
.hm-tile h3 { font-size: 16px; margin: 0; }
.hm-tile p { font-size: 13.5px; margin: 0; }
.hm-tile .go { margin-top: auto; padding-top: 6px; font-size: 13px; font-weight: 700; color: var(--purple); }

/* ---------- Industries ---------- */
.hm-ind-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hm-ind { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 22px; transition: box-shadow .15s ease, border-color .15s ease; }
.hm-ind:hover { box-shadow: var(--shadow); border-color: var(--purple); }
.hm-ind .ico-wrap { flex-shrink: 0; margin: 0; }
.hm-ind h3 { font-size: 16px; margin: 0 0 4px; }
.hm-ind p { font-size: 13.5px; margin: 0; }

/* ---------- Selector ---------- */
.hm-select { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0; border-radius: 22px; overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); background: #fff; }
.hm-select-form { padding: 34px; }
.hm-select-form h2 { font-size: clamp(24px, 3vw, 32px); }
.hm-q { margin: 20px 0 0; }
.hm-q > label, .hm-q > .hm-q-label { display: block; font-size: 13px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.hm-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.hm-opts input { position: absolute; opacity: 0; pointer-events: none; }
.hm-opts label {
  display: block; text-align: center; padding: 11px 8px; border: 1.5px solid #e1d5cb; border-radius: 10px;
  font-size: 13.5px; font-weight: 600; color: var(--text-dim); cursor: pointer; transition: all .12s ease;
}
.hm-opts input:checked + label { border-color: var(--purple); background: #fbf4ee; color: var(--purple); }
.hm-opts input:focus-visible + label { outline: 3px solid rgba(246, 140, 59, .55); outline-offset: 2px; }
.hm-range-row { display: flex; align-items: center; gap: 14px; }
.hm-range-row input[type="range"] { flex: 1; accent-color: var(--orange); }
.hm-load { min-width: 90px; text-align: right; font-weight: 800; color: var(--purple); font-size: 20px; }
.hm-scale { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--text-faint); margin-top: 4px; }

.hm-result { background: linear-gradient(160deg, var(--purple-deep), var(--purple)); color: #fff; padding: 34px; display: flex; flex-direction: column; }
.hm-result .kicker { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: #ffb27a; font-weight: 700; }
.hm-result h3 { color: #fff; font-size: 30px; margin: 8px 0 6px; }
.hm-result p { color: #f5e2d3; font-size: 14.5px; }
.hm-result dl { margin: 10px 0 20px; display: grid; gap: 10px; }
.hm-result dl div { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(255, 255, 255, .14); font-size: 14px; }
.hm-result dt { color: #e0c1a9; }
.hm-result dd { margin: 0; font-weight: 700; text-align: right; }
.hm-result .btn { width: 100%; }
.hm-result .btn + .btn { margin-top: 10px; }
.hm-disclaimer { font-size: 12px; color: #e0c1a9; margin-top: auto; padding-top: 14px; }

/* ---------- Process ---------- */
.hm-note { font-size: 13px; color: var(--text-faint); }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hm-range-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .hm-hero .hero-grid { grid-template-columns: 1fr; }
  .hm-showcase { max-width: 460px; margin: 10px auto 0; }
  .hm-facts .container { grid-template-columns: repeat(2, 1fr); }
  .hm-fact { margin-right: 14px; }
  .hm-fact:nth-child(2n) { margin-right: 0; }
  .hm-series { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .hm-ind-grid { grid-template-columns: repeat(2, 1fr); }
  .hm-select { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero.hm-hero { padding: 56px 0 64px; }
  .hm-range-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hm-ind-grid { grid-template-columns: 1fr; }
  .hm-select-form, .hm-result { padding: 24px 20px; }
  .hm-facts .container { grid-template-columns: 1fr; }
  .hm-fact, .hm-fact:nth-child(2n) { margin: 8px 0; }
  .hm-facts .container { padding-bottom: 12px; }
  .hm-hero .hero-trust { gap: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .hm-scard, .hm-tile, .btn { transition: none; }
}

/* Keep the showcase centred when it stacks under the hero copy */
@media (max-width: 980px) { .hm-showcase { margin: 10px auto 0; } }

/* Control-card photo carousel (4th tab of the hero showcase) */
.hm-photo { position: relative; }
.hm-photo img.is-board { background: #fff; border-radius: 10px; filter: none; box-shadow: 0 10px 24px rgba(36, 19, 6, .35); transition: opacity .25s ease; }
.hm-dots { position: absolute; left: 0; right: 0; bottom: 8px; display: flex; justify-content: center; gap: 7px; }
.hm-dots[hidden] { display: none; }
.hm-dots button { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.45); cursor: pointer; }
.hm-dots button[aria-current="true"] { background: var(--orange); transform: scale(1.25); }
.hm-dots button:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
@media (max-width: 520px) { .hm-tab { font-size: 12px; padding-left: 4px; padding-right: 4px; } }
.hm-specs[hidden] { display: none; }