/**
 * Copyright (c) 2026 KDTech
 * Author: david@KDTech
 * All rights reserved.
 *
 * KDTechGroup website — content sections
 *
 * The disciplines marquee, the capabilities grid (cursor spotlight cards),
 * the "how we build" principles with a progress line that fills as they are
 * read, the numbers strip, the closing call to action and the footer.
 */

.h2 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.04em;
}

/* ---------- Marquee ---------- */

.marquee {
  padding-block: 26px;
  overflow: hidden;
  border-block: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: marquee 44s linear infinite;
}

.marquee.reverse .marquee-track {
  animation-direction: reverse;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 48px;
  color: var(--text-2);
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.marquee-track span::after {
  content: "✦";
  font-size: 0.5em;
  background: var(--prism);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

[dir="rtl"] .marquee-track {
  animation-name: marquee-rtl;
}

@keyframes marquee-rtl {
  to {
    transform: translateX(50%);
  }
}

/* ---------- Capabilities ---------- */

.caps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  --x: 50%;
  --y: 50%;
  position: relative;
  isolation: isolate;
  min-height: 250px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-2xl);
  background: linear-gradient(180deg, rgb(255 255 255 / 0.035), rgb(255 255 255 / 0.01));
  box-shadow: var(--highlight);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(460px circle at var(--x) var(--y), rgb(99 102 241 / 0.14), transparent 45%);
  opacity: 0;
  transition: opacity 400ms;
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: radial-gradient(
    300px circle at var(--x) var(--y),
    rgb(236 72 153 / 0.7),
    rgb(99 102 241 / 0.45) 40%,
    transparent 70%
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 400ms;
  pointer-events: none;
}

.card:hover::before,
.card:hover::after {
  opacity: 1;
}

.cap-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-block-end: 48px;
  border-radius: 16px;
  background: var(--prism-soft);
  box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.1);
  transition: transform 500ms var(--ease-spring);
}

.card:hover .cap-icon {
  transform: rotate(-8deg) scale(1.08);
}

.cap-icon svg {
  width: 24px;
  height: 24px;
  color: var(--text-1);
}

.card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.card p {
  margin: 10px 0 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.55;
}

/* ---------- Principles ---------- */

.principles {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: start;
}

.principles .section-head {
  position: sticky;
  top: calc(var(--nav-h) + 40px);
}

.p-list {
  position: relative;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  padding-inline-start: 32px;
  list-style: none;
  counter-reset: principle;
}

/* The rail and its prism fill. */
.p-list::before,
.p-list::after {
  content: "";
  position: absolute;
  inset-block: 8px;
  inset-inline-start: 6px;
  width: 2px;
  border-radius: 2px;
  background: var(--line-strong);
}

.p-list::after {
  background: linear-gradient(180deg, var(--cyan), var(--violet), var(--pink), var(--amber));
  transform: scaleY(var(--fill, 0));
  transform-origin: top;
  transition: transform 200ms linear;
}

.p-list li {
  position: relative;
  padding: 22px 24px;
  border-radius: 20px;
  counter-increment: principle;
  transition: background 300ms;
}

.p-list li:hover {
  background: rgb(255 255 255 / 0.03);
}

.p-list li::before {
  content: "0" counter(principle);
  display: block;
  margin-block-end: 8px;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 12px;
}

.p-list h3 {
  margin: 0;
  font-size: 22px;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.p-list p {
  margin: 8px 0 0;
  color: var(--text-2);
  line-height: 1.6;
}

/* ---------- Numbers ---------- */

.numbers {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.number {
  padding: 28px;
  border-block-start: 1px solid var(--line-strong);
}

.number b {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  background: var(--prism);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.number span {
  display: block;
  margin-block-start: 10px;
  color: var(--text-2);
  font-size: 15px;
}

/* ---------- Closing CTA ---------- */

.cta {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(64px, 10vw, 128px) var(--gutter);
  border: 1px solid var(--line);
  border-radius: 40px;
  background: var(--surface);
  text-align: center;
}

/* A slowly turning prism mesh behind the copy. */
.cta::before {
  content: "";
  position: absolute;
  inset: -60%;
  z-index: -1;
  background: conic-gradient(
    from 0deg at 50% 50%,
    rgb(34 211 238 / 0.35),
    rgb(99 102 241 / 0.35),
    rgb(236 72 153 / 0.35),
    rgb(249 115 22 / 0.3),
    rgb(34 211 238 / 0.35)
  );
  filter: blur(80px);
  animation: spin 30s linear infinite;
}

.cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse at 50% 50%, transparent 20%, var(--surface) 75%);
}

.cta .lede {
  max-width: 620px;
  margin-inline: auto;
}

.cta .hero-cta {
  justify-content: center;
}

/* ---------- Footer ---------- */

.footer {
  position: relative;
  padding-block: 56px 40px;
  border-block-start: 1px solid var(--line);
  color: var(--text-3);
  font-size: 14px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 32px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links a:hover {
  color: var(--text-1);
}

.footer .lang-picker {
  margin-inline-start: auto;
}

/* ---------- Responsive ---------- */

@media (max-width: 1020px) {
  .caps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .principles {
    grid-template-columns: minmax(0, 1fr);
  }

  .principles .section-head {
    position: static;
  }

  .numbers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .caps {
    grid-template-columns: minmax(0, 1fr);
  }
}