/* modern.css - incremental modern design enhancements */
:root {
  --easing: cubic-bezier(.4,0,.2,1);
  --ring-color: rgba(59,130,246,0.6);
  --gradient-brand: linear-gradient(90deg,#0f172a,#1e293b 45%,#0341c9 85%);
}

/* Smooth scroll */
html { scroll-behavior:smooth; }

/* Subtle fade-in utility */
.fade-in { animation: fadeIn .6s var(--easing); }
@keyframes fadeIn { from { opacity:0; transform:translateY(4px);} to { opacity:1; transform:translateY(0);} }

/* Theme toggle removed (dark mode disabled) */

/* Footer links */
.footer-link { font-size:.8rem; font-weight:500; text-decoration:none; color: var(--color-text); opacity:.75; transition: opacity .3s var(--easing); }
.footer-link:hover { opacity:1; text-decoration:none; }

/* Elevation utility */
.elevated { box-shadow: var(--shadow-elevated); background: var(--color-surface); }

/* Rounded container */
.rounded-container { border:1px solid var(--color-border); border-radius: clamp(18px,3vw,32px); padding: clamp(1.5rem,3vw,2.5rem); background: linear-gradient(145deg, var(--color-bg-alt), var(--color-bg)); position:relative; overflow:hidden; }

/* Gradient text util */
.gradient-text-alt { background:var(--gradient-brand); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* Subtle interactive focus ring */
[tabindex]:focus-visible, a:focus-visible, button:focus-visible { outline:3px solid var(--ring-color); outline-offset:3px; border-radius:10px; }

/* Card variant */
.card.modern { border-radius:20px; border:1px solid var(--color-border); background: linear-gradient(145deg, rgba(255,255,255,0.65), rgba(255,255,255,0.4)); backdrop-filter: blur(18px); }

/* Utility spacing extensions */
.stack-sm > * + * { margin-top:.5rem; }
.stack > * + * { margin-top:1rem; }
.stack-lg > * + * { margin-top:2rem; }

/* Adaptive container width tweak */
@media (min-width: 1480px){
  .container { max-width: 1320px; }
}

/* Dark mode body transition override */
body { transition: background .5s var(--easing), color .5s var(--easing); }

/* Improve nav link underline animation */
.nav-link { --underline: currentColor; }
.nav-link::after { content:""; position:absolute; left:0; bottom:-6px; width:100%; height:2px; background: var(--underline); transform:scaleX(0); transform-origin:left; transition: transform .35s var(--easing); opacity:.85; }
.nav-link:hover::after, .nav-link.active::after { transform:scaleX(1); }

/* Mobile panel backdrop transition */
.mobile-panel { transition: background .45s var(--easing); }
.mobile-sheet { transition: transform .55s var(--easing), opacity .55s var(--easing); }

/* Interactive value pillar cards */
.feature-card { position:relative; /* make cards plain white by default */ background: #ffffff; border:1px solid var(--color-border); border-radius: 1.25rem; padding:1.5rem; transition: background .3s var(--easing), box-shadow .25s var(--easing), transform .25s var(--easing), border-color .25s var(--easing); overflow:hidden; }
.feature-card::before { /* animated sheen overlay for modern hover */
  content:""; position:absolute; inset:0; pointer-events:none; mix-blend-mode:overlay;
  background: linear-gradient(90deg, rgba(255,255,255,0.0) 0%, rgba(255,255,255,0.85) 45%, rgba(255,255,255,0.0) 80%);
  transform: translateX(-110%); opacity:0; transition: transform .9s cubic-bezier(.2,.9,.2,1), opacity .5s var(--easing);
}
.feature-card::after { display:none; }
.feature-card { transform-style:preserve-3d; perspective:1000px; }
.feature-card:hover, .feature-card:focus-within {
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(250,250,252,0.96));
  box-shadow: 0 30px 70px -28px rgba(12,15,30,0.20), 0 14px 36px -16px rgba(12,15,30,0.12);
  transform: translateY(-12px) scale(1.03) rotateX(var(--rx,6deg)) rotateY(var(--ry,-2deg));
  border-color: rgba(14,60,120,0.06);
}
.feature-card:hover::before, .feature-card:focus-within::before { transform: translateX(110%); opacity: .18; }
.feature-card h3 { margin-top:0; font-weight:600; letter-spacing:.25px; }
.feature-card p { margin:0; font-size:.85rem; line-height:1.5; color: var(--color-text); }
.feature-grid-enhanced { display:grid; gap:2rem; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); }
.feature-card:focus-within { outline:3px solid var(--ring-color); outline-offset:4px; }

/* Hover / focus interaction for feature cards */
.feature-card { will-change: transform, box-shadow; }
.feature-card { will-change: transform, box-shadow; --hover-scale: 1.06; }
.feature-card .logo-holder img { transition: transform .55s cubic-bezier(.2,.9,.2,1), filter .55s cubic-bezier(.2,.9,.2,1); transform-origin:center center; }
.feature-card:hover .logo-holder img, .feature-card:focus-within .logo-holder img {
  transform: translateZ(0) scale(calc(var(--hover-scale) * 1.02));
  filter: brightness(1.06) saturate(1.06);
}

/* Accessible focus ring (keyboard) */
.feature-card:focus-visible { outline: 3px solid var(--ring-color); outline-offset:6px; }

@media (prefers-reduced-motion: reduce){
  .feature-card, .feature-card .logo-holder img, .feature-card::before { transition: none !important; transform: none !important; }
}

/* Feature card media */
.feature-card-media { position:relative; width:100%; aspect-ratio: 16/9; border-radius:14px; overflow:hidden; margin:-.25rem 0 .9rem; background:transparent; }
.feature-card-media img { width:100%; height:100%; object-fit:cover; transition: transform .9s var(--easing), filter .9s var(--easing); display:block; }
.feature-card:hover .feature-card-media img, .feature-card:focus-within .feature-card-media img { transform: scale(1.07); filter:brightness(1.05); }
.feature-card-media::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,0.25)); opacity:.4; pointer-events:none; }

/* Logo holder used in value-pillar cards (homepage) */
.logo-holder { display:flex; align-items:center; justify-content:center; background:transparent; padding:0.5rem; border-radius:1rem; overflow:hidden; }
.logo-holder img { max-width:86%; max-height:86%; width:auto; height:auto; object-fit:contain; display:block; }


@media (prefers-reduced-motion: reduce){
  .feature-card { transition:none; }
  .feature-card::after { transition:none; }
}

/* Modal / Popout styles */
.modal-overlay { position:fixed; inset:0; background:rgba(15,23,42,0.55); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); display:flex; align-items:center; justify-content:center; padding:2rem clamp(1rem,3vw,2rem); z-index:120; opacity:0; pointer-events:none; transition: opacity .45s var(--easing); }
.modal-overlay.open { opacity:1; pointer-events:auto; }
.modal-dialog { width:min(760px,100%); background:#ffffff; border:1px solid var(--color-border); border-radius:28px; box-shadow:0 24px 60px -18px rgba(0,0,0,0.35), 0 8px 18px -6px rgba(0,0,0,0.2); position:relative; display:flex; flex-direction:column; max-height:calc(100vh - 4rem); animation: popIn .55s var(--easing); overflow:hidden; }
.modal-header { padding:1.5rem 1.75rem 0; }
.modal-body { padding:1rem 1.75rem 2rem; overflow:auto; overscroll-behavior:contain; }
.modal-title { margin:0 0 .75rem; font-size:1.4rem; font-weight:600; letter-spacing:-.5px; }
.modal-close { position:absolute; top:.9rem; right:.9rem; width:44px; height:44px; background:#ffffff; border:1px solid var(--color-border); border-radius:14px; display:inline-flex; align-items:center; justify-content:center; cursor:pointer; transition: background .35s var(--easing), transform .35s var(--easing); }
.modal-close:hover { background:#f1f5f9; }
.modal-close:focus-visible { outline:3px solid var(--ring-color); outline-offset:3px; }
.modal-divider { margin:0 1.75rem 1.25rem; border:none; border-top:1px solid var(--color-border); }
@keyframes popIn { from { transform:translateY(24px) scale(.96); opacity:0; } to { transform:translateY(0) scale(1); opacity:1; } }

@media (prefers-reduced-motion: reduce){
  .modal-overlay, .modal-dialog { animation:none; transition:none; }
}

/* Modal hero image */
.modal-hero { position:relative; width:100%; aspect-ratio: 16/9; overflow:hidden; background:#f1f5f9; }
.modal-hero img { width:100%; height:100%; display:block; object-fit:cover; filter:brightness(1); transition: transform 1.2s var(--easing), filter 1.2s var(--easing); }
.modal-dialog:hover .modal-hero img { transform:scale(1.05); filter:brightness(1.05); }
.modal-hero::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(0,0,0,.35)); mix-blend-mode:multiply; pointer-events:none; }
.modal-header { position:relative; z-index:2; }
.modal-dialog .modal-header { margin-top:.75rem; }

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce){
  * { animation-duration: .01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  html { scroll-behavior:auto; }
}

/* Global list normalization */
ul, ol {
  list-style-position: outside !important;
  padding-left: 1.25rem !important;
  margin: 0.5rem 0 !important;
  text-align: left !important;
}
li {
  margin: 0.25rem 0 !important;
  text-align: left !important;
}
ul.list-inside, ol.list-inside { list-style-position: outside !important; }