/* ============================================================
   OPTRIC — Industry Landing Pages Shared CSS
   Used by: retail-hospitality.html, healthcare-life-sciences.html,
            financial-services.html, professional-services.html,
            logistics-distribution.html, manufacturing-industrial.html
   ============================================================ */

/* ── Design tokens ── */
:root {
  --orange-900:  #CF0000;
  --orange-700:  #F42F00;
  --orange-600:  #F24C0A;
  --orange-500:  #FF6900;
  --orange-300:  #FF9C1A;
  --navy-900:    #021334;
  --navy-700:    #052A72;
  --blue-500:    #2A4FD6;
  --blue-200:    #A9D3FF;
  --paper:       #F8F6F4;

  --bg-inverse:  var(--navy-900);
  --fg-inv:      #FFFFFF;
  --accent:      var(--orange-500);
  --accent-h:    var(--orange-600);
  --border-inv:  rgba(255,255,255,0.10);

  --font-d: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-b: 'DM Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;

  --r-sm: 6px; --r-md: 10px; --r-lg: 16px;

  --shadow-lg: 0 18px 40px rgba(2,19,52,0.11), 0 4px 10px rgba(2,19,52,0.05);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 120ms; --dur-med: 220ms; --dur-slow: 420ms;

  --max: 1280px;
  --pad: clamp(20px, 4vw, 56px);
  --nav-h: 100px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
body { background: var(--bg-inverse); color: var(--fg-inv); font-family: var(--font-b); font-size: 16px; line-height: 1.62; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--r-sm); }
::selection { background: var(--accent); color: #fff; }

/* ── Pill CTA ── */
.pill {
  display: inline-flex; align-items: center; gap: 12px;
  background: #FF6900;
  color: #fff;
  padding: 13px 22px; border-radius: var(--r-sm);
  font-family: var(--font-d); font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.45),
    inset 0 -1px 0 rgba(0,0,0,0.18),
    0 6px 18px rgba(255,105,0,0.28);
  transition: background var(--dur-med) var(--ease-out),
              transform var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out);
  border: none;
}
.pill:hover {
  background: #F24C0A;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.55),
    inset 0 -1px 0 rgba(0,0,0,0.20),
    0 12px 30px rgba(255,105,0,0.45),
    0 0 24px rgba(255,140,40,0.25);
  transform: translateY(-1px);
}
.pill:active { transform: translateY(0); }
.pill__sq {
  display: inline-block; width: 8px; height: 8px; flex-shrink: 0;
  background: linear-gradient(135deg, #2a1a05 0%, #4a2d08 100%);
}

/* ── Ghost text link ── */
.tlink {
  display: inline-flex; align-items: center; gap: 8px;
  color: #fff; font-size: 13px; font-weight: 600; letter-spacing: 0.04em;
  border-bottom: 1px solid rgba(255,255,255,0.35); padding-bottom: 3px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.tlink:hover { color: var(--accent); border-color: var(--accent); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-h);
  background: rgba(2,19,52,0.0);
  border-bottom: 1px solid transparent;
  display: flex; align-items: center;
  transition: background var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out),
              backdrop-filter var(--dur-slow) var(--ease-out);
  overflow: visible;
}
.nav.scrolled {
  background: rgba(2,19,52,0.96);
  border-bottom-color: var(--border-inv);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--pad);
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  overflow: visible;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.nav-logo img { height: 84px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  font-size: 15px; font-weight: 400; color: rgba(255,255,255,0.88);
  padding: 7px 14px; border-radius: var(--r-sm);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #fff; font-weight: 600; }
.nav-cta {
  background: #FF6900 !important;
  color: #fff !important; font-weight: 700 !important;
  margin-left: 8px; padding: 9px 18px !important;
  border-radius: var(--r-sm); font-size: 12px !important;
  letter-spacing: 0.12em !important; text-transform: uppercase !important;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), inset 0 -1px 0 rgba(0,0,0,0.18) !important;
}
.nav-cta:hover {
  background: #F24C0A !important;
  transform: translateY(-1px);
}
.nav-drop { position: relative; }
.nav-drop-menu {
  display: none; position: absolute; top: calc(100% + 8px); left: 0; z-index: 2000;
}
.nav-drop-menu-inner {
  background: rgba(5,11,38,0.98); border: 1px solid var(--border-inv);
  border-radius: var(--r-md); padding: 8px; min-width: 280px;
  box-shadow: var(--shadow-lg); backdrop-filter: blur(12px);
}
.nav-drop-menu.open { display: block; }
.nav-drop-menu a {
  display: block; padding: 10px 14px; border-radius: var(--r-sm);
  font-size: 14px; color: rgba(255,255,255,0.70);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.nav-drop-menu a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-drop-btn {
  background: none; border: none; cursor: pointer;
  font-family: var(--font-b); font-size: 15px; font-weight: 400;
  color: rgba(255,255,255,0.88); border-radius: var(--r-sm);
  padding: 7px 14px;
  display: inline-flex; align-items: center; gap: 5px;
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.nav-drop-btn:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-drop-btn .drop-arr {
  width: 0; height: 0;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 5px solid var(--accent);
  transition: transform var(--dur-med) var(--ease-out);
  margin-left: 2px;
}
.nav-drop-btn.open .drop-arr { transform: rotate(180deg); }
.nav-hamburger {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; cursor: pointer; padding: 8px;
  background: none; border: none; border-radius: var(--r-sm);
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: rgba(255,255,255,0.9); border-radius: 2px;
  transition: all var(--dur-med) var(--ease-out);
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav-mobile {
  display: none; position: fixed;
  top: var(--nav-h); left: 0; right: 0; bottom: 0;
  background: rgba(2,17,45,0.98); z-index: 999;
  overflow-y: auto; flex-direction: column;
  padding: 12px 20px 40px; backdrop-filter: blur(12px);
}
.nav-mobile.open { display: flex; }
.nav-mobile-section {
  font-family: var(--font-d); font-size: 10px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(255,255,255,0.35); padding: 20px 4px 8px;
}
.nav-mobile a {
  display: block; font-size: 17px; font-weight: 500;
  color: rgba(255,255,255,0.85); padding: 14px 4px;
  border-bottom: 1px solid var(--border-inv);
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-mobile a:hover { color: var(--accent); }
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile .mob-cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: #FF6900;
  color: #fff; margin-top: 20px; padding: 15px 22px;
  border-radius: var(--r-sm); font-size: 12px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; border-bottom: none;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), inset 0 -1px 0 rgba(0,0,0,0.18);
}

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-group .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-group .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-group .reveal:nth-child(4) { transition-delay: 240ms; }

@keyframes ey-pulse-orange {
  0%, 100% { box-shadow: 0 0 8px rgba(255,105,0,0.65), 0 0 18px rgba(255,105,0,0.35); }
  50%       { box-shadow: 0 0 14px rgba(255,105,0,0.90), 0 0 32px rgba(255,105,0,0.55); }
}
@keyframes ey-pulse-green {
  0%, 100% { box-shadow: 0 0 8px rgba(34,197,94,0.65), 0 0 18px rgba(250,204,21,0.45); }
  50%       { box-shadow: 0 0 14px rgba(34,197,94,0.90), 0 0 32px rgba(250,204,21,0.65); }
}
@keyframes cta-mark-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ============================================================
   HERO — Industry
   ============================================================ */
.hero-ind {
  position: relative; width: 100%; min-height: 62vh;
  overflow: hidden; isolation: isolate;
  background: #02112D;
  padding-top: var(--nav-h);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero-ind__bg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  z-index: 0; opacity: 0.18;
}
.hero-ind__glow {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background:
    radial-gradient(ellipse 1100px 700px at 50% -10%, rgba(42,79,214,0.32), transparent 65%),
    radial-gradient(ellipse 800px 500px at 100% 110%, rgba(42,79,214,0.14), transparent 65%);
}
.hero-ind__inner {
  position: relative; z-index: 2;
  max-width: var(--max); margin: 0 auto;
  padding: clamp(64px, 8vw, 100px) var(--pad) clamp(56px, 7vw, 88px);
}
.hero-ind__breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.45);
  margin-bottom: 28px; flex-wrap: wrap;
}
.hero-ind__breadcrumb a {
  color: rgba(255,255,255,0.45);
  transition: color var(--dur-fast) var(--ease-out);
}
.hero-ind__breadcrumb a:hover { color: rgba(255,255,255,0.85); }
.hero-ind__breadcrumb .sep { color: rgba(255,255,255,0.22); }
.hero-ind__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  margin: 0 0 18px; line-height: 1;
}
.hero-ind__eyebrow-sq {
  display: inline-block; width: 9px; height: 9px;
  background: var(--accent); flex-shrink: 0;
  animation: ey-pulse-orange 2.8s ease-in-out infinite;
}
.hero-ind__hl {
  font-family: var(--font-d); font-weight: 800;
  font-size: clamp(40px, 5.2vw, 78px);
  line-height: 0.97; letter-spacing: -0.035em;
  margin: 0 0 24px; color: #fff; max-width: 760px;
}
.hero-ind__hl .accent { color: var(--accent); }
.hero-ind__lede {
  font-size: clamp(15px, 1.1vw, 18px); line-height: 1.65;
  color: rgba(255,255,255,0.68);
  max-width: 540px; margin: 0 0 36px;
}
.hero-ind__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-ind__divider {
  border: none; border-top: 1px solid rgba(255,255,255,0.08); margin: 0;
}

/* ============================================================
   CHALLENGES SECTION
   ============================================================ */
.chall {
  position: relative; color: #fff;
  padding: clamp(72px, 9vw, 112px) 0;
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(180deg, #07090f 0%, #0e1730 100%);
  overflow: hidden; isolation: isolate;
}
.chall__glow {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background: radial-gradient(ellipse 900px 500px at 80% 50%, rgba(42,79,214,0.12), transparent 65%);
}
.chall__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--pad);
  position: relative; z-index: 2;
}
.chall__head { max-width: 640px; margin-bottom: clamp(40px, 5vw, 64px); }
.chall__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: #fff; margin-bottom: 18px;
}
.chall__eyebrow-sq {
  width: 9px; height: 9px; flex-shrink: 0; border-radius: 2px;
  background: linear-gradient(135deg, #22c55e 0%, #84cc16 45%, #facc15 100%);
  animation: ey-pulse-green 2.8s ease-in-out infinite;
}
.chall__hl {
  font-family: var(--font-d); font-weight: 800;
  font-size: clamp(30px, 3.2vw, 46px);
  letter-spacing: -0.03em; line-height: 1.02;
  margin: 0 0 16px; color: #fff;
}
.chall__lede {
  font-size: clamp(15px, 1vw, 17px); line-height: 1.65;
  color: rgba(255,255,255,0.62);
}
.chall__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 24px);
}
.chall__grid:has(.chall-card:nth-child(4)) {
  grid-template-columns: 1fr;
}
.chall-card {
  --y: 0px;                            /* stagger baseline (set per-card) */
  --bob: 8px;                          /* bob amplitude */
  position: relative;
  padding: clamp(24px, 2.5vw, 32px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(42,79,214,0.08), rgba(2,17,45,0) 70%),
    rgba(255,255,255,0.02);
  display: flex; flex-direction: column; gap: 16px;
  translate: 0 var(--y);
  animation: chall-bob 6s ease-in-out infinite;
  will-change: translate;
  transition: border-color 240ms ease, background 240ms ease, box-shadow 240ms ease;
}
.chall-card:nth-child(1) { --y: -10px; animation-duration: 6.4s; animation-delay: -1.2s; }
.chall-card:nth-child(2) { --y:  8px;  animation-duration: 5.8s; animation-delay: -0.3s; }
.chall-card:nth-child(3) { --y: -6px;  animation-duration: 7.2s; animation-delay: -2.1s; }
.chall-card:nth-child(4) { --y:  12px; animation-duration: 6.0s; animation-delay: -0.8s; }
@keyframes chall-bob {
  0%, 100% { translate: 0 calc(var(--y) - var(--bob)); }
  50%      { translate: 0 calc(var(--y) + var(--bob)); }
}
.chall-card:hover {
  border-color: rgba(255,59,48,0.55);
  background:
    linear-gradient(180deg, rgba(255,59,48,0.14), rgba(2,17,45,0) 70%),
    rgba(255,255,255,0.03);
  box-shadow:
    0 0 0 1px rgba(255,59,48,0.35),
    0 0 26px -2px rgba(255,59,48,0.55),
    0 18px 50px -26px rgba(255,59,48,0.45);
}
@media (prefers-reduced-motion: reduce) {
  .chall-card { animation: none; }
}
.chall-card__num {
  font-family: var(--font-mono);
  font-size: clamp(42px, 4vw, 58px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #ef4444;
  line-height: 1;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.chall-card__t {
  font-family: var(--font-d); font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 700; letter-spacing: -0.02em; color: #fff; margin: 0; line-height: 1.28;
}
.chall-card__b {
  font-size: 13.5px; line-height: 1.62;
  color: rgba(255,255,255,0.55); margin: 0;
}

/* ============================================================
   SOLUTIONS SECTION
   ============================================================ */
.sol {
  position: relative; color: #fff;
  padding: clamp(72px, 9vw, 112px) 0;
  background: #021334;
  overflow: hidden; isolation: isolate;
}
.sol__glow {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background:
    radial-gradient(ellipse 1100px 600px at 20% 50%, rgba(42,79,214,0.18), transparent 62%),
    radial-gradient(ellipse 700px 500px at 90% 90%, rgba(255,105,0,0.07), transparent 65%);
}
.sol__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--pad);
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr;
  column-gap: clamp(48px, 7vw, 96px); align-items: start;
}
.sol__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 20px;
}
.sol__eyebrow-sq { width: 9px; height: 9px; background: var(--accent); flex-shrink: 0; }
.sol__hl {
  font-family: var(--font-d); font-weight: 800;
  font-size: clamp(30px, 3.2vw, 46px);
  letter-spacing: -0.03em; line-height: 1.02;
  color: #fff; margin: 0 0 16px;
}
.sol__lede {
  font-size: clamp(15px, 1vw, 17px); line-height: 1.65;
  color: rgba(255,255,255,0.65); margin-bottom: 32px;
}
.sol__list { display: flex; flex-direction: column; gap: 14px; }
.sol-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 18px 20px;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.02);
}
.sol-item__icon {
  width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(42,79,214,0.35), rgba(42,79,214,0.15));
  border: 1px solid rgba(42,79,214,0.30);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue-200);
}
.sol-item__icon svg { width: 16px; height: 16px; }
.sol-item__t {
  font-family: var(--font-d); font-size: 14px; font-weight: 700;
  color: #fff; margin: 0 0 4px;
}
.sol-item__b {
  font-size: 13px; line-height: 1.58;
  color: rgba(255,255,255,0.55); margin: 0;
}
.sol__stat-block {
  background: linear-gradient(160deg, rgba(42,79,214,0.15), rgba(2,17,45,0.5));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--r-lg);
  padding: clamp(28px, 3vw, 40px);
  display: flex; flex-direction: column; gap: 28px;
  position: sticky; top: calc(var(--nav-h) + 24px);
}
.sol__stat-block-hed {
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.38);
}
.sol__stat-item { display: flex; flex-direction: column; gap: 4px; }
.sol__stat-num {
  font-family: var(--font-d); font-weight: 800;
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1; letter-spacing: -0.025em; color: #fff;
}
.sol__stat-num .accent { color: var(--accent); }
.sol__stat-lbl {
  font-size: 13px; font-weight: 500;
  color: rgba(255,255,255,0.58); line-height: 1.4;
}
.sol__stat-divider { border: none; border-top: 1px solid rgba(255,255,255,0.08); }
.sol__cta-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--blue-200); font-size: 13px; font-weight: 600;
  border-bottom: 1px solid rgba(169,211,255,0.35); padding-bottom: 3px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.sol__cta-link:hover { color: #fff; border-color: rgba(255,255,255,0.5); }

/* ============================================================
   RELATED INDUSTRIES
   ============================================================ */
.related {
  position: relative; color: #fff;
  padding: clamp(56px, 7vw, 80px) 0;
  background:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(180deg, #0e1730 0%, #07090f 100%);
}
.related__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--pad);
}
.related__hl {
  font-family: var(--font-d); font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 600; color: rgba(255,255,255,0.55);
  letter-spacing: -0.01em; margin-bottom: 24px;
}
.related__grid {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: clamp(10px, 1.5vw, 16px);
}
.related-card {
  padding: 20px 18px;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.02);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--dur-med) var(--ease-out),
              background var(--dur-med) var(--ease-out),
              transform var(--dur-med) var(--ease-out);
  text-decoration: none; color: inherit;
}
.related-card:hover {
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.04);
  transform: translateY(-2px);
}
.related-card__icon {
  color: rgba(255,255,255,0.50);
  transition: color var(--dur-med) var(--ease-out);
}
.related-card:hover .related-card__icon { color: var(--blue-200); }
.related-card__icon svg { width: 20px; height: 20px; }
.related-card__t {
  font-size: 13px; font-weight: 600;
  color: rgba(255,255,255,0.72); line-height: 1.3;
}
.related-card__arr {
  font-size: 12px; color: rgba(255,255,255,0.28); margin-top: auto;
  transition: color var(--dur-fast) var(--ease-out);
}
.related-card:hover .related-card__arr { color: var(--accent); }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  position: relative; background: #021334; color: #fff;
  padding: clamp(96px, 11vw, 160px) 0; overflow: hidden; isolation: isolate;
}
.cta-band__glow {
  position: absolute; inset: 0; pointer-events: none; z-index: 1;
  background:
    radial-gradient(ellipse 1200px 700px at 25% 20%, rgba(42,79,214,0.26), transparent 62%),
    radial-gradient(ellipse 900px 600px at 95% 95%, rgba(255,105,0,0.09), transparent 65%);
}
.cta-band__mark {
  position: absolute; right: -44%; bottom: -60%;
  width: clamp(720px, 85vw, 1300px); height: auto;
  opacity: 1; z-index: 1; pointer-events: none;
  filter: drop-shadow(0 0 60px rgba(255,105,0,0.30));
  animation: cta-mark-spin 200s linear infinite;
  transform-origin: 50% 50%; will-change: transform;
}
@media (prefers-reduced-motion: reduce) { .cta-band__mark { animation: none; } }
@media (max-width: 767px) {
  .cta-band__mark { width: clamp(420px, 110vw, 700px); right: -65%; bottom: -55%; opacity: 0.45; }
}
.cta-band__inner {
  max-width: min(860px, calc(var(--max) - 280px));
  margin: 0 auto; padding: 0 var(--pad);
  position: relative; z-index: 2;
}
.cta-band__eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
}
.cta-band__eyebrow-sq {
  display: inline-block; width: 9px; height: 9px;
  background: var(--accent); flex-shrink: 0;
  animation: ey-pulse-orange 2.8s ease-in-out infinite;
}
.cta-band__hl {
  font-family: var(--font-d); font-weight: 800;
  font-size: clamp(38px, 4.8vw, 66px);
  line-height: 0.97; letter-spacing: -0.035em;
  margin: 20px 0 24px; color: #fff;
}
.cta-band__hl .accent { color: var(--accent); }
.cta-band__lede {
  font-size: clamp(15px, 1vw, 17px); line-height: 1.65;
  color: rgba(255,255,255,0.68); margin-bottom: 36px;
}
.cta-band__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #02112D; color: #fff;
  border-top: 1px solid var(--border-inv);
  padding: clamp(48px, 6vw, 80px) var(--pad) clamp(24px, 3vw, 40px);
}
.footer__grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr;
  column-gap: clamp(24px, 4vw, 64px); row-gap: 40px;
  padding-bottom: clamp(32px, 4vw, 56px);
  border-bottom: 1px solid var(--border-inv);
}
.footer__logo img { height: 36px; width: auto; }
.footer__tagline { font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.80); margin-top: 16px; }
.footer__desc { font-size: 13px; line-height: 1.65; color: rgba(255,255,255,0.42); margin-top: 8px; max-width: 280px; }
.footer__phone { font-size: 12px; color: rgba(255,255,255,0.38); display: block; margin-top: 12px; }
.footer__col-head {
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: rgba(255,255,255,0.38);
  display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
}
.footer__col-sq { display: inline-block; width: 6px; height: 6px; background: var(--accent); flex-shrink: 0; }
.footer__col-links { display: flex; flex-direction: column; gap: 10px; }
.footer__col-links a {
  font-size: 14px; color: rgba(255,255,255,0.58);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer__col-links a:hover { color: #fff; }
.footer__bottom {
  max-width: var(--max); margin: 0 auto;
  padding-top: clamp(20px, 2.5vw, 32px);
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer__copy { font-size: 12px; color: rgba(255,255,255,0.32); }
.footer__legal { display: flex; gap: 20px; }
.footer__legal a {
  font-size: 12px; color: rgba(255,255,255,0.32);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer__legal a:hover { color: rgba(255,255,255,0.70); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1023px) {
  .sol__inner { grid-template-columns: 1fr; }
  .sol__stat-block { position: static; }
  .related__grid { grid-template-columns: repeat(3, 1fr); }
  .chall__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  :root { --nav-h: 64px; }
  .nav-logo img { height: 56px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .hero-ind__hl { font-size: clamp(34px, 9vw, 54px); }
  .chall__grid { grid-template-columns: 1fr; }
  .related__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 479px) {
  .related__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
}