/* Variant: Panels — dark with jewel tones; three tall panels expand on hover or keyboard focus.
   Hero markup in src/variants/panels; the rest is shared content. Dark only. */

:root {
  --bg: #0f1015;
  --surface: #17181f;
  --muted: #121319;
  --ink: #f2f2f5;
  --ink-2: #9c9eab;
  --line: #262833;
  --accent: #f2a93b;
  --accent-ink: #1d1405;
  --accent-soft: #2e2414;
  --green-soft: #1b2340;
  --amber-soft: #2e2414;
  --night: #17181f;
  --night-2: #20222b;
  --night-line: rgba(255, 255, 255, 0.09);
  --night-ink: #f2f2f5;
  --night-ink-2: #9c9eab;

  --sapphire: #2f50d8;
  --ruby: #c4305a;
  --amber: #eea232;

  --ui-bg: #1d1f28;
  --ui-line: #2a2d38;
  --ui-fill: #353845;
  --ui-fill-2: #23252f;
  --ui-strong: #f2f2f5;
  --ui-accent: #f2a93b;
  --ui-img: #23283f;
  --ui-tint-a: #26306a;
  --ui-tint-b: #4a2030;
  --ui-tint-c: #4a3818;

  color-scheme: dark;
}

.masthead { background: rgba(15, 16, 21, 0.8); border-bottom-color: var(--line); }
.pill--dark { background: var(--ink); color: var(--bg); }

.pn-hero__inner { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(1rem, 3vw, 2rem); }
.pn-hero__text { display: grid; gap: 1.5rem 4rem; }
.pn-title { max-width: 14ch; font-size: clamp(3rem, 7vw, 6.5rem); line-height: 0.95; letter-spacing: -0.055em; }
@media (min-width: 60em) {
  .pn-hero__text { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
  .pn-title { grid-column: 1 / -1; }
}

.pn-row { display: flex; flex-direction: column; gap: 14px; margin-top: clamp(2.5rem, 5vw, 4rem); }
.pn-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
  overflow: hidden;
  padding: clamp(22px, 2.6vw, 32px);
  border-radius: 28px;
  color: #ffffff;
}
.pn-panel:focus-visible { outline: 2px solid #ffffff; outline-offset: 3px; }
.pn-panel--web { background: linear-gradient(160deg, #4a68ee, var(--sapphire) 55%, #1e36a8); }
.pn-panel--crm { background: linear-gradient(160deg, #e0517a, var(--ruby) 55%, #8f1d40); }
.pn-panel--doc { background: linear-gradient(160deg, #f8bd5c, var(--amber) 55%, #c47a10); color: #2a1a05; }
.pn-panel__num { font-size: 0.875rem; font-weight: 700; opacity: 0.7; }
.pn-panel h2 { font-size: clamp(1.5rem, 2.4vw, 2.25rem); letter-spacing: -0.035em; line-height: 1.05; }
.pn-panel p { margin-top: 0.5rem; max-width: 22rem; opacity: 0.85; font-size: 1rem; }
.pn-panel .ui {
  --ui-bg: #ffffff; --ui-line: #eceef2; --ui-fill: #e3e6ea; --ui-fill-2: #f2f3f5; --ui-strong: #15161c;
  --ui-img: #eef1ff; --ui-tint-a: #dfe5ff; --ui-tint-b: #ffe0e8; --ui-tint-c: #fff0cc;
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}
.pn-panel--web .ui { --ui-accent: var(--sapphire); }
.pn-panel--crm .ui { --ui-accent: var(--ruby); }
.pn-panel--doc .ui { --ui-accent: #c47a10; }

/* Wide screens: one panel open at a time; hover or focus opens another. */
@media (min-width: 64em) {
  .pn-row { flex-direction: row; height: clamp(26rem, 38vw, 32rem); }
  .pn-panel {
    flex: 1 1 0;
    justify-content: space-between;
    transition: flex-grow 0.55s cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .pn-panel__detail {
    position: absolute;
    top: clamp(22px, 2.6vw, 32px);
    right: clamp(22px, 2.6vw, 32px);
    width: min(58%, 26rem);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.35s, transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
  }
  .pn-panel__text p { opacity: 0; transition: opacity 0.35s; }

  .pn-row:not(:hover):not(:focus-within) .pn-panel:first-child,
  .pn-panel:hover,
  .pn-panel:focus-within,
  .pn-panel:focus { flex-grow: 2.6; }
  .pn-row:not(:hover):not(:focus-within) .pn-panel:first-child .pn-panel__detail,
  .pn-panel:hover .pn-panel__detail,
  .pn-panel:focus .pn-panel__detail { opacity: 1; transform: none; }
  .pn-row:not(:hover):not(:focus-within) .pn-panel:first-child .pn-panel__text p,
  .pn-panel:hover .pn-panel__text p,
  .pn-panel:focus .pn-panel__text p { opacity: 0.85; }
}

/* Shared sections */
.tile, .faq details, .contact__card, .product__visual { border: 1px solid var(--line); }
.tile--dark { background: linear-gradient(160deg, #1e36a8, #17181f 70%); }
.tile--dark .focus strong { color: #ffc56a; }
.section--muted { border-block: 1px solid var(--line); }
.steps li:nth-child(1)::before { background: var(--sapphire); }
.steps li:nth-child(2)::before { background: var(--ruby); }
.steps li:nth-child(3)::before { background: var(--amber); color: #2a1a05; }
.steps li:nth-child(4)::before { background: var(--ink); color: var(--bg); }
.product__link { color: var(--accent); }
.phscale__ticks { color: var(--ink-2); }
.section--contact { border-top: 1px solid var(--line); }
.footer { border-top: 1px solid var(--line); }