/**
 * DrupalX Portal — brand-led SME AI portal UI.
 * Direction: ink charcoal + deep teal + paper grain. No purple / cream-terracotta.
 */

:root {
  --dx-ink: #12151a;
  --dx-charcoal: #1c2128;
  --dx-teal: #0e7c7b;
  --dx-teal-bright: #14a3a1;
  --dx-teal-deep: #0a5554;
  --dx-paper: #f2efe8;
  --dx-paper-2: #e8e3d8;
  --dx-muted: #5f6670;
  --dx-line: rgba(18, 21, 26, 0.1);
  --dx-white: #fff;
  --dx-display: "Sora", "Noto Sans SC", system-ui, sans-serif;
  --dx-body: "Noto Sans SC", "Sora", system-ui, sans-serif;
  --dx-radius: 2px;
  --dx-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--dx-body);
  color: var(--dx-ink);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(20, 163, 161, 0.12), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(18, 21, 26, 0.06), transparent 55%),
    var(--dx-paper);
  line-height: 1.65;
  min-height: 100vh;
}

a {
  color: var(--dx-teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--dx-teal-deep);
}

img {
  max-width: 100%;
  height: auto;
}

/* —— Shell —— */
.dx-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dx-shell--chat .dx-chat-top__inner {
  width: 100%;
  max-width: none;
}

.dx-top {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(12px);
  background: rgba(242, 239, 232, 0.88);
  border-bottom: 1px solid var(--dx-line);
  transform: translateY(-12px);
  opacity: 0;
  animation: dx-rise 0.7s var(--dx-ease) 0.05s forwards;
}

.dx-top__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.95rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.dx-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  font-family: var(--dx-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.4vw, 1.7rem);
  letter-spacing: -0.03em;
  color: var(--dx-ink);
  text-decoration: none;
}

.dx-brand span {
  color: var(--dx-teal);
}

.dx-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.dx-nav a {
  color: var(--dx-charcoal);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.dx-nav a:hover {
  color: var(--dx-teal);
}

.dx-nav .dx-btn {
  margin-left: 0.25rem;
}

/* —— Buttons —— */
.dx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--dx-radius);
  border: 1px solid transparent;
  font-family: var(--dx-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform 0.25s var(--dx-ease), background 0.25s var(--dx-ease), color 0.25s var(--dx-ease), border-color 0.25s var(--dx-ease);
}

.dx-btn:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.dx-btn--primary {
  background: var(--dx-teal);
  color: var(--dx-white);
}

.dx-btn--primary:hover {
  background: var(--dx-teal-deep);
  color: var(--dx-white);
}

.dx-btn--ghost {
  background: transparent;
  color: var(--dx-ink);
  border-color: rgba(18, 21, 26, 0.22);
}

.dx-btn--ghost:hover {
  border-color: var(--dx-teal);
  color: var(--dx-teal-deep);
}

.dx-btn--light {
  background: var(--dx-white);
  color: var(--dx-ink);
}

.dx-btn--light:hover {
  background: var(--dx-paper);
  color: var(--dx-ink);
}

/* —— Hero (first viewport = one composition) —— */
.dx-hero {
  position: relative;
  min-height: calc(100vh - 4.2rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--dx-white);
  isolation: isolate;
}

.dx-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(115deg, rgba(18, 21, 26, 0.88) 8%, rgba(14, 124, 123, 0.55) 52%, rgba(18, 21, 26, 0.72) 100%),
    radial-gradient(circle at 70% 40%, rgba(20, 163, 161, 0.35), transparent 45%),
    linear-gradient(180deg, #0b2f30 0%, #12151a 100%);
  background-size: 100% 100%, 140% 140%, 100% 100%;
  animation: dx-drift 14s ease-in-out infinite alternate;
}

.dx-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 75%);
  opacity: 0.45;
}

.dx-hero__inner {
  max-width: 1120px;
  width: 100%;
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7rem) 1.5rem clamp(3.5rem, 8vh, 5.5rem);
}

.dx-hero__brand {
  font-family: var(--dx-display);
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.95;
  margin: 0 0 1.1rem;
  opacity: 0;
  transform: translateY(18px);
  animation: dx-rise 0.85s var(--dx-ease) 0.15s forwards;
}

.dx-hero__brand span {
  color: var(--dx-teal-bright);
}

.dx-hero__headline {
  max-width: 18ch;
  font-family: var(--dx-display);
  font-size: clamp(1.35rem, 3.2vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 0.85rem;
  opacity: 0;
  transform: translateY(18px);
  animation: dx-rise 0.85s var(--dx-ease) 0.28s forwards;
}

.dx-hero__lead {
  max-width: 36rem;
  margin: 0 0 1.75rem;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
  opacity: 0;
  transform: translateY(18px);
  animation: dx-rise 0.85s var(--dx-ease) 0.4s forwards;
}

.dx-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(18px);
  animation: dx-rise 0.85s var(--dx-ease) 0.52s forwards;
}

/* —— Sections —— */
.dx-main {
  flex: 1;
}

.dx-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 5rem) 1.5rem;
}

.dx-section__title {
  font-family: var(--dx-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
  margin: 0 0 0.5rem;
}

.dx-section__lead {
  margin: 0 0 2rem;
  color: var(--dx-muted);
  max-width: 40rem;
}

.dx-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 860px) {
  .dx-rail {
    grid-template-columns: 1fr;
  }
}

.dx-feature {
  padding: 1.5rem 1.35rem;
  border-top: 2px solid var(--dx-teal);
  background: rgba(255, 255, 255, 0.55);
  opacity: 0;
  transform: translateY(16px);
  transition: transform 0.35s var(--dx-ease), background 0.35s var(--dx-ease);
}

.dx-feature.is-in {
  opacity: 1;
  transform: none;
}

.dx-feature:hover {
  background: var(--dx-white);
  transform: translateY(-2px);
}

.dx-feature h3 {
  font-family: var(--dx-display);
  font-size: 1.15rem;
  margin: 0 0 0.45rem;
  letter-spacing: -0.02em;
}

.dx-feature p {
  margin: 0;
  color: var(--dx-muted);
  font-size: 0.98rem;
}

.dx-band {
  background: var(--dx-charcoal);
  color: rgba(255, 255, 255, 0.9);
}

.dx-band .dx-section__title {
  color: var(--dx-white);
}

.dx-band .dx-section__lead {
  color: rgba(255, 255, 255, 0.7);
}

.dx-band__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

/* —— Content pages —— */
.dx-content {
  max-width: 860px;
  margin: 2rem auto 3.5rem;
  padding: 2rem 1.5rem;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--dx-line);
}

.dx-content h1,
.dx-content h2 {
  font-family: var(--dx-display);
  letter-spacing: -0.02em;
}

.region-highlighted,
.region-help {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem 0;
}

.messages {
  margin: 0.75rem 0;
}

/* —— Footer —— */
.dx-foot {
  border-top: 1px solid var(--dx-line);
  padding: 1.5rem;
  color: var(--dx-muted);
  font-size: 0.9rem;
}

.dx-foot__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.dx-foot strong {
  color: var(--dx-ink);
  font-family: var(--dx-display);
}

/* —— Motion —— */
@keyframes dx-rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes dx-drift {
  from {
    background-position: 0% 0%, 30% 40%, 0 0;
  }
  to {
    background-position: 0% 0%, 65% 55%, 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .dx-top,
  .dx-hero__brand,
  .dx-hero__headline,
  .dx-hero__lead,
  .dx-hero__cta,
  .dx-feature {
    opacity: 1;
    transform: none;
  }
}

/* Soften Drupal chrome inside our shell */
.path-frontpage .feed-icon,
.path-frontpage .block-system-powered-by-block,
.path-frontpage .block-page-title-block {
  display: none !important;
}