/* =========================================================================
   EasyStack — HCI Solution page (solution-hci.html)
   Builds on the global design tokens defined in css/main.css (:root --es-*).
   Reuses the site header / footer / hero / card / button language.
   ========================================================================= */

/* ------------------------------ STICKY SUB-NAV ------------------------------ */
.hci-subnav {
  position: sticky; top: var(--es-header-h); z-index: 60;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--es-border);
}
.hci-subnav__inner { display: flex; align-items: center; gap: 6px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; scroll-snap-type: x proximity; padding-block: 10px; padding-inline-end: 10px; -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 56px), transparent 100%); mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 56px), transparent 100%); }
.hci-subnav__inner::-webkit-scrollbar { display: none; }
.hci-subnav__label { flex: none; font-size: 11px; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; color: var(--es-text-mute); padding-right: 10px; margin-right: 4px; border-right: 1px solid var(--es-border); }
.hci-subnav__link { flex: none; scroll-snap-align: start; padding: 8px 15px; border-radius: 999px; font-size: 16px; font-weight: 600; color: var(--es-text-dim); text-decoration: none; white-space: nowrap; transition: color 0.2s ease, background 0.2s ease; }
.hci-subnav__link:hover { color: var(--es-text); background: var(--es-surface-2); }
.hci-subnav__link.is-active { color: #fff; background: var(--es-gradient); box-shadow: 0 6px 16px rgba(79, 70, 229, 0.28); }

/* ------------------------------ HERO (dark) ------------------------------ */
.hci-hero {
  --es-text: #eef0fb; --es-text-dim: #aab0d0; --es-text-mute: #7c82a6;
  --es-primary-ink: #a5b4fc; --es-accent-ink: #22d3ee;
  --es-border: rgba(255, 255, 255, 0.08); --es-border-strong: rgba(255, 255, 255, 0.16);
  position: relative; overflow: hidden; isolation: isolate;
  color: var(--es-text);
  background:
    radial-gradient(85% 70% at 88% -8%, rgba(99, 102, 241, 0.32), transparent 60%),
    radial-gradient(70% 60% at -8% 108%, rgba(34, 211, 238, 0.16), transparent 55%),
    linear-gradient(180deg, #05070f 0%, #0c1128 60%, #12193a 100%);
  padding-block: clamp(48px, 6.5vw, 50px) clamp(56px, 7vw, 50px);
}
.hci-hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hci-hero__grid {
  position: absolute; inset: -20% -10% auto -10%; height: 130%; overflow: hidden;
  -webkit-mask-image: radial-gradient(ellipse 85% 65% at 50% 35%, #000 15%, transparent 72%);
  mask-image: radial-gradient(ellipse 85% 65% at 50% 35%, #000 15%, transparent 72%);
}
.hci-hero__grid::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(67, 56, 202, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 56, 202, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(67, 56, 202, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 56, 202, 0.14) 1px, transparent 1px);
  background-size: 40px 40px, 40px 40px, 160px 160px, 160px 160px;
}
.hci-hero__grid::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(99, 102, 241, 0.35) 1.5px, transparent 1.5px); background-size: 160px 160px; background-position: 80px 80px; }
.hci-hero__glow { position: absolute; border-radius: 50%; filter: blur(100px); opacity: 0.44; }
.hci-hero__glow--1 { width: 520px; height: 520px; top: -180px; left: -140px; background: radial-gradient(circle, rgba(67, 56, 202, 0.42), transparent 70%); animation: es-pulse-glow 9s ease-in-out infinite; }
.hci-hero__glow--2 { width: 420px; height: 420px; bottom: -130px; right: 8%; background: radial-gradient(circle, rgba(34, 211, 238, 0.16), transparent 70%); animation: es-pulse-glow 11s ease-in-out infinite reverse; }
.hci-hero__glow--3 { width: 360px; height: 360px; top: 6%; right: -110px; background: radial-gradient(circle, rgba(139, 124, 246, 0.26), transparent 70%); animation: es-pulse-glow 13s ease-in-out infinite; }

.hci-hero__inner { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: clamp(32px, 5vw, 60px); align-items: center; }
.hci-hero__eyebrow { display: inline-flex; align-items: center; gap: 9px; font-size: clamp(12.5px, 1.4vw, 14px); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--es-primary-ink); margin-bottom: 18px; }
.hci-hero__title { font-size: clamp(32px, 5vw, 58px); line-height: 1.07; letter-spacing: -0.035em; color: #fff; }
.hci-hero__lead { margin-top: 24px; max-width: 640px; font-size: clamp(15px, 1.7vw, 18px); line-height: 1.75; color: var(--es-text-dim); }
.hci-hero__cta { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; }

.hci-hero__aside { position: relative; }
.hci-hero__media { position: relative; margin: 0; max-width: 380px; margin-inline: auto; }
.hci-hero__media img { display: block; width: 100%; height: auto; filter: saturate(1.05) brightness(1.02); }
.hci-hero__media::before {
  content: ''; position: absolute; inset: -18px; border-radius: 30px; pointer-events: none;
  background: radial-gradient(ellipse 60% 55% at 50% 50%, rgba(99, 102, 241, 0.28), transparent 70%);
  filter: blur(30px); z-index: -1;
}

/* ------------------------------ GENERIC SECTION ------------------------------ */
.hci-sec { position: relative; padding-block: clamp(56px, 8vw, 100px); }
.hci-sec--alt { background: var(--es-bg-alt); border-block: 1px solid var(--es-border); }

/* ------------------------------ SUMMARY ------------------------------ */
.hci-sum__grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: clamp(28px, 4vw, 52px); align-items: start; }
.hci-sum__text p { font-size: 16px; line-height: 1.8; color: var(--es-text-dim); }
.hci-sum__text p + p { margin-top: 14px; }
.hci-sum__text strong { color: var(--es-text); font-weight: 700; }
.hci-sum__quote {
  margin-top: 24px; padding: 20px 22px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), rgba(34, 211, 238, 0.05));
  border: 1px solid rgba(79, 70, 229, 0.18);
  display: flex; gap: 14px; align-items: flex-start;
}
.hci-sum__quote svg { color: var(--es-primary); flex-shrink: 0; margin-top: 2px; }
.hci-sum__quote p { margin: 0; font-size: 14.5px; line-height: 1.7; color: var(--es-text); font-style: italic; }
.hci-sum__pillars { display: grid; grid-template-columns: 1fr; gap: 14px; }
.hci-pillar {
  display: flex; gap: 14px; padding: 18px 20px; border-radius: 16px;
  background: var(--es-surface); border: 1px solid var(--es-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.hci-pillar:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(15, 18, 43, 0.08); border-color: rgba(79, 70, 229, 0.32); }
.hci-pillar__icon {
  flex: none; width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(34, 211, 238, 0.1));
  color: var(--es-primary-ink); display: grid; place-items: center;
}
.hci-pillar__icon svg { width: 22px; height: 22px; }
.hci-pillar__title { margin: 0 0 4px; font-size: 15px; font-weight: 700; color: var(--es-text); }
.hci-pillar__desc { margin: 0; font-size: 13.5px; line-height: 1.6; color: var(--es-text-mute); }

/* ------------------------------ WHY HCI NOW (drivers) ------------------------------ */
.hci-drivers__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.hci-driver {
  position: relative; padding: 28px 26px; border-radius: 20px; overflow: hidden;
  background: var(--es-surface); border: 1px solid var(--es-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.hci-driver::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, #4f46e5, #22d3ee);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.hci-driver:hover { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(15, 18, 43, 0.09); border-color: rgba(79, 70, 229, 0.3); }
.hci-driver:hover::before { transform: scaleX(1); }
.hci-driver__head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.hci-driver__icon {
  flex: none; width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, #eef0ff, #e5f7fb); color: var(--es-primary-ink);
  display: grid; place-items: center;
}
.hci-driver__icon svg { width: 24px; height: 24px; }
.hci-driver__title { margin: 0; font-size: 17px; font-weight: 700; color: var(--es-text); letter-spacing: -0.01em; }
.hci-driver__desc { margin: 0 0 18px; font-size: 14.5px; line-height: 1.75; color: var(--es-text-dim); }
.hci-driver__stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding-top: 16px; border-top: 1px dashed var(--es-border); }
.hci-stat { padding: 12px 14px; border-radius: 12px; background: var(--es-surface-2); border: 1px solid var(--es-border); }
.hci-stat__value { display: block; font-size: 22px; font-weight: 800; letter-spacing: -0.02em; color: var(--es-primary-ink); line-height: 1.15; }
.hci-stat__label { display: block; margin-top: 4px; font-size: 12px; color: var(--es-text-mute); line-height: 1.45; }

/* Limits-of-traditional callout */
.hci-limits {
  margin-top: 24px; padding: 22px 24px; border-radius: 18px;
  background: linear-gradient(135deg, #0e1230, #191c47);
  color: #e7e9fb; border: 1px solid rgba(99, 102, 241, 0.3);
  display: grid; grid-template-columns: minmax(0, 260px) minmax(0, 1fr); gap: 24px; align-items: center;
}
.hci-limits__head h3 { margin: 0; font-size: 17px; font-weight: 800; color: #fff; letter-spacing: -0.01em; }
.hci-limits__head p { margin: 6px 0 0; font-size: 13px; color: #a5abd6; line-height: 1.6; }
.hci-limits__grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.hci-limit { padding: 14px; border-radius: 12px; background: rgba(255, 255, 255, 0.04); border: 1px solid rgba(255, 255, 255, 0.08); transition: background 0.25s ease, transform 0.25s ease; }
.hci-limit:hover { background: rgba(255, 255, 255, 0.08); transform: translateY(-2px); }
.hci-limit__name { display: block; font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #8ad6f0; }
.hci-limit__value { display: block; margin-top: 6px; font-size: 15px; font-weight: 700; color: #fff; letter-spacing: -0.01em; line-height: 1.35; }
.hci-limit__note { display: block; margin-top: 4px; font-size: 11.5px; color: #9fa5cb; line-height: 1.5; }

/* ------------------------------ ARCHITECTURE ------------------------------ */
.hci-arch__stack { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.hci-layer {
  position: relative; padding: 22px 24px; border-radius: 18px; overflow: hidden;
  background: var(--es-surface); border: 1px solid var(--es-border);
  display: flex; flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.hci-layer:hover { transform: translateX(4px); box-shadow: 0 20px 44px rgba(15, 18, 43, 0.08); border-color: rgba(79, 70, 229, 0.35); }
.hci-layer::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--layer-accent, var(--es-gradient)); }
.hci-layer--eos { --layer-accent: linear-gradient(180deg, #22d3ee, #4f46e5); }
.hci-layer--compute { --layer-accent: linear-gradient(180deg, #4f46e5, #7c3aed); }
.hci-layer--storage { --layer-accent: linear-gradient(180deg, #7c3aed, #22d3ee); }
.hci-layer--network { --layer-accent: linear-gradient(180deg, #10b981, #4f46e5); }
.hci-layer--mgmt { --layer-accent: linear-gradient(180deg, #f59e0b, #4f46e5); }
.hci-layer--obs { --layer-accent: linear-gradient(180deg, #06b6d4, #4338ca); }
.hci-layer__head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.hci-layer__name { margin: 0; font-size: 17px; font-weight: 800; color: var(--es-text); letter-spacing: -0.01em; }
.hci-layer__sub { margin: 4px 0 12px; font-size: 13.5px; color: var(--es-text-mute); line-height: 1.6; }
.hci-layer__list { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: 1fr; gap: 8px; }
.hci-layer__list li { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; line-height: 1.6; color: var(--es-text-dim); }
.hci-layer__list svg { color: var(--es-primary); flex-shrink: 0; margin-top: 3px; }
.hci-layer__chips { margin-top: auto; padding-top: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.hci-chip { padding: 4px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: rgba(79, 70, 229, 0.08); color: var(--es-primary-ink); border: 1px solid rgba(79, 70, 229, 0.2); }

/* Deployment modes */
.hci-modes { margin-top: 28px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.hci-mode {
  padding: 20px 20px; border-radius: 16px;
  background: var(--es-surface); border: 1px solid var(--es-border);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.hci-mode:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(15, 18, 43, 0.08); border-color: rgba(79, 70, 229, 0.3); }
.hci-mode__num { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 10px; font-size: 13px; font-weight: 800; background: linear-gradient(135deg, #4f46e5, #22d3ee); color: #fff; letter-spacing: 0; }
.hci-mode__title { margin: 10px 0 6px; font-size: 15.5px; font-weight: 700; color: var(--es-text); }
.hci-mode__desc { margin: 0; font-size: 13px; line-height: 1.6; color: var(--es-text-mute); }

/* Hardware compatibility */
.hci-hw {
  margin-top: 28px; padding: 24px 26px; border-radius: 18px;
  background: var(--es-surface); border: 1px solid var(--es-border);
}
.hci-hw__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.hci-hw__title { margin: 0; font-size: 17px; font-weight: 800; color: var(--es-text); letter-spacing: -0.01em; }
.hci-hw__sub { margin: 0; font-size: 13px; color: var(--es-text-mute); }
.hci-hw__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.hci-hw__cell { padding: 14px 16px; border-radius: 12px; background: var(--es-surface-2); border: 1px solid var(--es-border); }
.hci-hw__cell-title { display: block; font-size: 11.5px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--es-primary-ink); }
.hci-hw__cell-value { display: block; margin-top: 6px; font-size: 13.5px; line-height: 1.6; color: var(--es-text-dim); }

/* ------------------------------ CAPABILITIES TABLE ------------------------------ */
.hci-caps__table { border-radius: 20px; overflow: hidden; border: 1px solid var(--es-border); background: var(--es-surface); box-shadow: 0 12px 30px rgba(15, 18, 43, 0.05); }
.hci-caps__row { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 2fr); gap: 20px; padding: 20px 26px; border-top: 1px solid var(--es-border); align-items: center; transition: background 0.25s ease; }
.hci-caps__row:first-child { border-top: 0; background: linear-gradient(135deg, #0f1230, #1a1d4b); color: #fff; }
.hci-caps__row:first-child .hci-caps__cap, .hci-caps__row:first-child .hci-caps__desc { color: #fff; font-weight: 700; }
.hci-caps__row:not(:first-child):hover { background: var(--es-surface-2); }
.hci-caps__cap { display: flex; align-items: center; gap: 12px; font-size: 15.5px; font-weight: 700; color: var(--es-text); letter-spacing: -0.005em; }
.hci-caps__cap-icon { flex: none; width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(34, 211, 238, 0.1)); color: var(--es-primary-ink); display: grid; place-items: center; }
.hci-caps__cap-icon svg { width: 20px; height: 20px; }
.hci-caps__row:first-child .hci-caps__cap-icon { background: rgba(255, 255, 255, 0.1); color: #a5b4fc; }
.hci-caps__desc { margin: 0; font-size: 14px; line-height: 1.7; color: var(--es-text-dim); }

/* ------------------------------ MIGRATION ------------------------------ */
.hci-mig__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: clamp(24px, 4vw, 44px); align-items: center; }
.hci-mig__text h3 { margin: 0 0 10px; font-size: clamp(20px, 2.4vw, 26px); font-weight: 800; color: var(--es-text); letter-spacing: -0.02em; }
.hci-mig__text p { margin: 0 0 14px; font-size: 15px; line-height: 1.75; color: var(--es-text-dim); }
.hci-mig__list { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.hci-mig__list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; line-height: 1.6; color: var(--es-text-dim); }
.hci-mig__list svg { color: var(--es-primary); flex-shrink: 0; margin-top: 3px; }
.hci-mig__media { margin: 0; }
.hci-mig__media img { display: block; width: 100%; height: auto; border-radius: 18px; box-shadow: 0 20px 50px rgba(15, 18, 43, 0.12); }

/* ------------------------------ ROI ------------------------------ */
.hci-roi__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.hci-roi {
  padding: 22px 20px; border-radius: 18px;
  background: var(--es-surface); border: 1px solid var(--es-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative; overflow: hidden;
}
.hci-roi::before {
  content: ''; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: linear-gradient(90deg, #4f46e5, #22d3ee);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.hci-roi:hover { transform: translateY(-4px); box-shadow: 0 22px 44px rgba(15, 18, 43, 0.09); border-color: rgba(79, 70, 229, 0.3); }
.hci-roi:hover::before { transform: scaleX(1); }
.hci-roi__value { display: block; font-size: clamp(24px, 2.6vw, 32px); font-weight: 800; letter-spacing: -0.03em; color: var(--es-primary-ink); line-height: 1.1; }
.hci-roi__label { display: block; margin-top: 8px; font-size: 13px; font-weight: 600; color: var(--es-text); }
.hci-roi__note { display: block; margin-top: 4px; font-size: 12px; color: var(--es-text-mute); line-height: 1.5; }

.hci-value__grid { margin-top: 24px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.hci-value {
  padding: 22px 22px; border-radius: 18px;
  background: var(--es-surface); border: 1px solid var(--es-border);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.hci-value:hover { transform: translateY(-3px); box-shadow: 0 20px 44px rgba(15, 18, 43, 0.08); border-color: rgba(79, 70, 229, 0.3); }
.hci-value__title { margin: 0 0 8px; font-size: 15.5px; font-weight: 700; color: var(--es-text); }
.hci-value__desc { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--es-text-dim); }

/* ------------------------------ CUSTOMER EVIDENCE ------------------------------ */
.hci-cust__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.hci-cust {
  padding: 22px 22px; border-radius: 18px;
  background: var(--es-surface); border: 1px solid var(--es-border);
  display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.hci-cust:hover { transform: translateY(-4px); box-shadow: 0 22px 46px rgba(15, 18, 43, 0.09); border-color: rgba(79, 70, 229, 0.3); }
.hci-cust__head { display: flex; align-items: center; gap: 10px; }
.hci-cust__flag { flex: none; width: 26px; height: 18px; border-radius: 3px; overflow: hidden; box-shadow: 0 0 0 1px var(--es-border); display: grid; place-items: center; background: var(--es-surface-2); }
.hci-cust__flag img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hci-cust__region { font-size: 11.5px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--es-primary-ink); }
.hci-cust__title { margin: 0; font-size: 15.5px; font-weight: 700; color: var(--es-text); line-height: 1.35; }
.hci-cust__desc { margin: 0; font-size: 13.5px; line-height: 1.7; color: var(--es-text-dim); }
.hci-cust__stats { margin-top: auto; padding-top: 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.hci-cust__stat { padding: 4px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: rgba(79, 70, 229, 0.08); color: var(--es-primary-ink); border: 1px solid rgba(79, 70, 229, 0.2); }

/* ------------------------------ SCENARIOS (tabs) ------------------------------ */
.hci-scen__tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.hci-scen__tab {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px;
  border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--es-text-dim);
  background: var(--es-surface); border: 1px solid var(--es-border); cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.25s ease;
}
.hci-scen__tab:hover { color: var(--es-text); border-color: rgba(79, 70, 229, 0.4); transform: translateY(-2px); }
.hci-scen__tab.is-active { color: #fff; background: var(--es-gradient); border-color: transparent; box-shadow: 0 10px 28px rgba(79, 70, 229, 0.32); }

.hci-scen__panel { display: none; }
.hci-scen__panel.is-active { display: block; animation: hciFadeIn 0.35s ease; }
@keyframes hciFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.hci-scen__card {
  padding: clamp(24px, 3.5vw, 40px); border-radius: 22px;
  background: var(--es-surface); border: 1px solid var(--es-border);
  box-shadow: 0 20px 50px rgba(15, 18, 43, 0.06);
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(20px, 3vw, 36px); align-items: center;
}
.hci-scen__media { margin: 0; }
.hci-scen__media img { display: block; width: 100%; height: auto; border-radius: 16px; box-shadow: 0 14px 34px rgba(15, 18, 43, 0.1); }
.hci-scen__body { min-width: 0; }
.hci-scen__title { margin: 0 0 12px; font-size: clamp(22px, 2.6vw, 28px); font-weight: 800; color: var(--es-text); letter-spacing: -0.02em; }
.hci-scen__lead { margin: 0 0 20px; font-size: 15px; line-height: 1.75; color: var(--es-text-dim); }
.hci-scen__tags { display: flex; flex-wrap: wrap; gap: 8px; }
.hci-scen__tag { padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; background: rgba(79, 70, 229, 0.08); color: var(--es-primary-ink); border: 1px solid rgba(79, 70, 229, 0.2); }

/* ------------------------------ CTA ------------------------------ */
/* Reuse global .cta from main.css */

/* ------------------------------ RESPONSIVE ------------------------------ */
@media (max-width: 1180px) {
  .hci-limits__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hci-modes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hci-hw__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hci-roi__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hci-cust__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hci-value__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 992px) {
  .hci-hero__inner { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .hci-hero__aside { order: -1; }
  .hci-hero__media { max-width: 420px; }
  .hci-sum__grid { grid-template-columns: minmax(0, 1fr); }
  .hci-drivers__grid { grid-template-columns: minmax(0, 1fr); }
  .hci-limits { grid-template-columns: minmax(0, 1fr); }
  .hci-arch__stack { grid-template-columns: minmax(0, 1fr); }
  .hci-mig__grid { grid-template-columns: minmax(0, 1fr); }
  .hci-scen__card { grid-template-columns: minmax(0, 1fr); }
  .hci-value__grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .hci-limits__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hci-modes { grid-template-columns: minmax(0, 1fr); }
  .hci-hw__grid { grid-template-columns: minmax(0, 1fr); }
  .hci-roi__grid { grid-template-columns: minmax(0, 1fr); }
  .hci-cust__grid { grid-template-columns: minmax(0, 1fr); }
  .hci-driver__stats { grid-template-columns: minmax(0, 1fr); }
  .hci-caps__row { grid-template-columns: minmax(0, 1fr); gap: 8px; padding: 18px 20px; }
  .hci-scen__tabs { gap: 8px; }
  .hci-scen__tab { padding: 10px 14px; font-size: 13px; }
}