/* ── Reset ──────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }

    /* ── Tokens ─────────────────────────────────────────── */
    :root {
      --bg:        #f1f4ff;
      --surface:   #ffffff;
      --dark:      #1a1a2e;
      --charcoal:  #2d2d3e;
      --violet:    #6b5b95;
      --violet-lt: #9b8cbf;
      --silver:    #8c8fa8;
      --muted:     #5a5a72;
      --rule:      #d8daf0;
      --gap:       clamp(1.5rem, 4vw, 3rem);
      --radius:    12px;
      --radius-lg: 20px;
      --transition: .35s cubic-bezier(.4,0,.2,1);
    }

    body {
      background: var(--bg);
      color: var(--dark);
      font-family: 'Georgia', 'Times New Roman', serif;
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

    /* ── Utility ────────────────────────────────────────── */
    .container { max-width: 1160px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
    .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

    /* ── Decorative divider ─────────────────────────────── */
    .ornament {
      display: flex; align-items: center; gap: 1rem;
      margin: var(--gap) 0;
    }
    .ornament::before, .ornament::after {
      content: ''; flex: 1; height: 1px;
      background: linear-gradient(to right, transparent, var(--violet-lt), transparent);
    }
    .ornament span {
      font-size: .85rem; letter-spacing: .25em; text-transform: uppercase;
      color: var(--violet-lt); white-space: nowrap;
    }

    /* ── HERO ───────────────────────────────────────────── */
    .hero {
      position: relative;
      background: var(--dark);
      overflow: hidden;
      padding: clamp(3rem, 8vw, 6rem) 0;
      text-align: center;
    }
    /* subtle grid overlay */
    .hero::before {
      content: '';
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(107,91,149,.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(107,91,149,.08) 1px, transparent 1px);
      background-size: 40px 40px;
      pointer-events: none;
    }
    .hero-inner { position: relative; z-index: 1; }
    .hero-eyebrow {
      display: inline-block;
      font-size: .7rem; letter-spacing: .35em; text-transform: uppercase;
      color: var(--violet-lt);
      border: 1px solid var(--violet-lt);
      padding: .3rem 1rem; border-radius: 2rem;
      margin-bottom: 1.5rem;
    }
    .hero h1 {
      font-size: clamp(2rem, 6vw, 4rem);
      font-weight: 400;
      color: #fff;
      letter-spacing: .03em;
      line-height: 1.15;
      margin-bottom: 1rem;
    }
    .hero h1 em {
      font-style: italic; color: var(--violet-lt);
    }
    .hero-sub {
      font-size: clamp(.9rem, 2vw, 1.1rem);
      color: var(--silver);
      max-width: 560px;
      margin: 0 auto 2.5rem;
    }
    /* hero star accents */
    .star {
      display: inline-block; color: var(--violet-lt);
      font-size: 1.4rem; margin: 0 .4rem;
      animation: twinkle 3s ease-in-out infinite;
    }
    .star:nth-child(2) { animation-delay: 1s; }
    .star:nth-child(3) { animation-delay: 2s; }
    @keyframes twinkle {
      0%,100% { opacity: 1; transform: scale(1); }
      50% { opacity: .4; transform: scale(.7); }
    }
    /* hero main image */
    .hero-img-wrap {
      max-width: 420px; margin: 0 auto;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 30px 80px rgba(0,0,0,.6);
    }
    .hero-img-wrap img { width: 100%; display: block; }

    /* ── SECTION LABELS ─────────────────────────────────── */
    .section-label {
      font-size: .7rem; letter-spacing: .3em; text-transform: uppercase;
      color: var(--violet-lt);
      display: block; margin-bottom: .5rem;
    }
    .section-title {
      font-size: clamp(1.4rem, 3.5vw, 2.2rem);
      font-weight: 400;
      color: var(--charcoal);
      line-height: 1.25;
    }

    /* ── PRODUCT SHOWCASE — 1:1 gallery (7 + 8 mobile) ─── */
    .section { padding: clamp(2.5rem, 6vw, 5rem) 0; }

    /* 1:1 grid — 3 cols desktop, 2 tablet, 1 mobile */
    .grid-square {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: clamp(.75rem, 2vw, 1.25rem);
    }
    @media (max-width: 640px) {
      .grid-square { grid-template-columns: 1fr 1fr; }
    }

    /* 16:9 banner stack */
    .grid-wide {
      display: grid;
      grid-template-columns: 1fr;
      gap: clamp(.75rem, 2vw, 1.25rem);
    }
    @media (min-width: 900px) {
      .grid-wide { grid-template-columns: 1fr 1fr; }
    }

    /* card */
    .img-card {
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--dark);
      position: relative;
    }
    .img-card img {
      width: 100%; display: block;
      transition: transform var(--transition);
    }
    .img-card:hover img { transform: scale(1.03); }
    .img-card .caption {
      position: absolute; bottom: 0; left: 0; right: 0;
      padding: .6rem .8rem;
      background: linear-gradient(transparent, rgba(10,10,20,.7));
      font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
      color: rgba(255,255,255,.7);
      opacity: 0;
      transition: opacity var(--transition);
    }
    .img-card:hover .caption { opacity: 1; }

    /* featured single-wide */
    .img-card--featured { grid-column: 1 / -1; }

    /* ── DETAILS STRIP ──────────────────────────────────── */
    .details-strip {
      background: var(--dark);
      color: #e8e8f0;
      padding: clamp(2rem, 5vw, 4rem) 0;
    }
    .details-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 2rem;
    }
    .detail-item { text-align: center; }
    .detail-icon {
      font-size: 1.8rem; margin-bottom: .5rem;
      color: var(--violet-lt);
      display: block;
    }
    .detail-label {
      font-size: .65rem; letter-spacing: .25em; text-transform: uppercase;
      color: var(--silver); display: block; margin-bottom: .3rem;
    }
    .detail-value {
      font-size: 1rem; color: #fff;
    }

    /* ── FEATURE SECTION ────────────────────────────────── */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1.5rem;
    }
    .feature-card {
      background: var(--surface);
      border: 1px solid var(--rule);
      border-radius: var(--radius);
      padding: 1.75rem;
      position: relative;
      overflow: hidden;
    }
    .feature-card::before {
      content: '';
      position: absolute; top: 0; left: 0;
      width: 3px; height: 100%;
      background: linear-gradient(to bottom, var(--violet), transparent);
    }
    .feature-icon {
      font-size: 1.5rem; margin-bottom: .75rem; display: block;
    }
    .feature-card h3 {
      font-size: .95rem; font-weight: 700; color: var(--charcoal);
      margin-bottom: .5rem; letter-spacing: .02em;
    }
    .feature-card p {
      font-size: .88rem; color: var(--muted); line-height: 1.65;
    }

    /* ── USE CASES ──────────────────────────────────────── */
    .use-cases {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1rem;
    }
    .use-case {
      background: linear-gradient(135deg, var(--dark) 0%, #2a2a40 100%);
      color: #e8e8f0;
      border-radius: var(--radius);
      padding: 1.5rem;
      text-align: center;
    }
    .use-case-emoji { font-size: 2rem; display: block; margin-bottom: .6rem; }
    .use-case h4 { font-size: .9rem; color: var(--violet-lt); margin-bottom: .4rem; }
    .use-case p { font-size: .82rem; color: var(--silver); line-height: 1.6; }

    /* ── SERIES GALLERY (8 mobile 1:1) ───────────────────── */

    /* ── 16:9 DESKTOP GALLERY ───────────────────────────── */
    .wide-img {
      width: 100%;
      border-radius: var(--radius);
      overflow: hidden;
      background: var(--dark);
      display: block;
    }
    .wide-img img { width: 100%; display: block; }

    /* ── FAQ ────────────────────────────────────────────── */
    .faq-list { display: flex; flex-direction: column; gap: .75rem; }
    .faq-item {
      background: var(--surface);
      border: 1px solid var(--rule);
      border-radius: var(--radius);
      overflow: hidden;
    }
    .faq-q {
      width: 100%; background: none; border: none;
      text-align: left; cursor: pointer;
      display: flex; align-items: center; justify-content: space-between;
      gap: 1rem;
      padding: 1.15rem 1.5rem;
      font-family: inherit; font-size: .95rem; font-weight: 700;
      color: var(--charcoal);
      transition: background var(--transition);
    }
    .faq-q:hover { background: rgba(107,91,149,.06); }
    .faq-q[aria-expanded="true"] { color: var(--violet); }
    .faq-chevron {
      flex-shrink: 0; width: 18px; height: 18px;
      border-right: 2px solid currentColor;
      border-bottom: 2px solid currentColor;
      transform: rotate(45deg);
      transition: transform var(--transition);
    }
    .faq-q[aria-expanded="true"] .faq-chevron { transform: rotate(-135deg); }
    .faq-a {
      max-height: 0; overflow: hidden;
      transition: max-height .4s ease, padding .3s ease;
    }
    .faq-a.open { max-height: 600px; }
    .faq-a-inner {
      padding: 0 1.5rem 1.25rem;
      font-size: .9rem; color: var(--muted); line-height: 1.75;
    }

    /* ── FOOTER ─────────────────────────────────────────── */
    .footer {
      background: var(--dark);
      color: var(--silver);
      text-align: center;
      padding: 2.5rem 1rem;
      font-size: .8rem;
      letter-spacing: .08em;
    }
    .footer-deco {
      font-size: 1rem; color: var(--violet-lt);
      display: block; margin-bottom: 1rem;
      letter-spacing: .4em;
    }

    /* ── Responsive tweaks ──────────────────────────────── */
    @media (max-width: 480px) {
      .grid-square { grid-template-columns: 1fr; }
      .details-grid { grid-template-columns: repeat(2, 1fr); }
    }