/**
 * Umbra — header, top rail, dialogs, primitives
 */

/* ─── Top ribbon — marquee security posture ─── */
.um-ribbon {
  position: relative;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0%, transparent 46%),
    rgba(6, 4, 3, 0.58);
  border-bottom: 1px solid rgba(251, 99, 6, 0.12);
  font-size: 0.734rem;
}

.um-ribbon::after {
  content: "";
  pointer-events: none;
  position: absolute;
  inset-inline: clamp(14px, 4vw, 28px);
  bottom: -1px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(251, 99, 6, 0.45) 30%,
    rgba(251, 147, 60, 0.22) 50%,
    rgba(251, 99, 6, 0.45) 70%,
    transparent
  );
  opacity: 0.85;
}

.um-ribbon-inner {
  display: grid;
  grid-template-columns: 1fr;
  align-items: stretch;
  gap: clamp(12px, 2vw, 20px);
  padding-block: clamp(9px, 1.8vw, 12px);
  min-height: 2.85rem;
}

.um-ribbon-static {
  display: none;
}

.um-ribbon-marquee {
  min-width: 0;
  position: relative;
  display: flex;
  align-items: center;
}

.um-ribbon-marquee__mask {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
  mask-size: 100% 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 5%, #000 95%, transparent 100%);
}

.um-ribbon-marquee__track {
  display: flex;
  flex-wrap: nowrap;
  width: max-content;
  will-change: transform;
  animation: um-ribbon-drift 88s cubic-bezier(0.22, 0.01, 0.18, 1) infinite;
}

.um-ribbon-marquee:hover .um-ribbon-marquee__track {
  animation-play-state: paused;
}

.um-ribbon-marquee__seq {
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: baseline;
  gap: 0;
  flex: 0 0 auto;
  padding-inline-end: clamp(2.75rem, 7vw, 4.5rem);
  color: var(--muted);
  letter-spacing: 0.01em;
  font-weight: 500;
}

.um-ribbon__item .um-ribbon__mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(251, 196, 160, 0.95);
}

.um-ribbon__flare {
  display: inline-block;
  width: 0.52em;
  height: 0.52em;
  margin-inline: clamp(14px, 2.8vw, 22px);
  vertical-align: -0.12em;
  background: radial-gradient(circle at 35% 30%, rgba(254, 240, 138, 0.95), rgba(251, 99, 6, 0.35));
  border-radius: 1px;
  transform: rotate(45deg);
  box-shadow:
    0 0 10px rgba(251, 99, 6, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.um-ribbon__sep {
  display: inline;
}

@keyframes um-ribbon-drift {
  from {
    transform: translateX(-50%);
  }
  to {
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .um-ribbon-marquee__track {
    animation: none;
    transform: none;
    width: auto;
    max-width: 100%;
  }

  .um-ribbon-marquee {
    display: none !important;
  }

  .um-ribbon-static {
    display: block;
    grid-column: 1 / -1;
    grid-row: 1;
    font-size: 0.734rem;
    color: var(--muted);
    line-height: 1.45;
    font-weight: 500;
    max-width: none;
    padding-inline-end: clamp(8px, 2vw, 16px);
  }

  .um-ribbon-static abbr {
    font-family: var(--font-mono);
    color: rgba(251, 196, 160, 0.95);
    text-decoration: none;
    letter-spacing: 0.06em;
  }

  .um-ribbon-inner {
    grid-template-columns: 1fr;
    row-gap: 10px;
  }
}

@media (max-width: 720px) {
  .um-ribbon-marquee__mask {
    mask-image: linear-gradient(90deg, transparent 0%, #000 3%, #000 97%, transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 3%, #000 97%, transparent 100%);
  }
}

/* ─── Main header ─── */
.um-header {
  position: fixed;
  inset: auto 0 auto 0;
  top: 0;
  z-index: 1000;
}

.um-headblock {
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    padding 0.35s var(--ease),
    background 0.35s,
    border-color 0.35s,
    box-shadow 0.35s;
}

.um-header.is-scrolled .um-headblock {
  background: rgba(17, 10, 8, 0.9);
  border-bottom-color: var(--line);
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.4);
}

.um-head-main {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  padding: clamp(14px, 3vw, 22px) 0;
}

.um-logo {
  font-family: var(--font-logo);
  font-weight: 800;
  font-size: 1.42rem;
  letter-spacing: -0.035em;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.um-logo-badge {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background:
    radial-gradient(circle at 35% 18%, rgba(251, 99, 6, 0.38), transparent 58%),
    linear-gradient(150deg, #181411 0%, #090807 94%);
  border: 1px solid rgba(251, 99, 6, 0.32);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 2px 12px rgba(0, 0, 0, 0.45);
}

.um-logo-svg {
  display: block;
}

.um-logo-text {
  display: flex;
  flex-direction: column;
}

.um-logo-main {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.42rem;
  line-height: 1.05;
}

.um-logo-main--effects {
  background: linear-gradient(118deg, #fffefb 8%, #fde68a 30%, #fb923c 58%, #fb6306 86%, #f97316 100%);
  background-size: 200% 140%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.5));
}

.um-logo:hover .um-logo-main--effects {
  animation: um-logo-shimmer 5.5s ease-in-out infinite;
}

@keyframes um-logo-shimmer {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.um-logo-tag {
  font-family: var(--font-display);
  font-size: 0.555rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(251, 147, 60, 0.78);
}

.um-logo-node {
  transform-box: fill-box;
  transform-origin: center;
  animation: um-logo-node-pulse 2.85s ease-in-out infinite;
}

.um-logo-node--delay {
  animation-delay: 0.65s;
}

@keyframes um-logo-node-pulse {
  0%,
  100% {
    opacity: 0.52;
    transform: scale(0.88);
  }
  45% {
    opacity: 1;
    transform: scale(1.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .um-logo:hover .um-logo-main--effects {
    animation: none;
  }

  .um-logo-node,
  .um-logo-node--delay {
    animation: none;
    opacity: 0.9;
    transform: none;
  }
}

.um-logo:hover .um-logo-badge {
  border-color: rgba(251, 99, 6, 0.55);
}

#nav-pill.um-site-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
  max-width: 900px;
  margin-inline: auto;
}

.um-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 8px clamp(8px, 1.2vw, 12px);
  font-size: 0.765rem;
  font-weight: 600;
  border-radius: 10px;
  letter-spacing: 0.02em;
  transition:
    transform 0.28s var(--ease),
    filter 0.28s ease;
}

.um-nav__link:not(:last-child)::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  translate: 50% -50%;
  width: 1px;
  height: 0.95em;
  background: rgba(255, 255, 255, 0.1);
}

.um-nav__ico {
  display: inline-flex;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  transition:
    transform 0.28s var(--ease),
    filter 0.28s ease;
}

.um-nav__ico svg {
  display: block;
}

.um-nav__label {
  transition: letter-spacing 0.28s var(--ease), filter 0.28s ease, color 0.28s ease;
}

.um-nav__link:not(:hover):not(.is-active) .um-nav__label {
  color: var(--dim);
}

.um-nav__link:hover .um-nav__ico {
  transform: translateY(-1px) scale(1.06);
  filter: drop-shadow(0 2px 8px rgba(251, 99, 6, 0.25));
}

.um-nav__link:focus-visible {
  outline: 2px solid rgba(251, 99, 6, 0.55);
  outline-offset: 3px;
  border-radius: 10px;
}

.um-nav__link.is-active .um-nav__label {
  background: linear-gradient(125deg, #fff8ed 0%, #fcd34d 28%, #fb923c 55%, #fb6306 100%);
  background-size: 140% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 0.035em;
  filter: drop-shadow(0 0 22px rgba(251, 99, 6, 0.18));
}

.um-nav__link:hover:not(.is-active) .um-nav__label {
  color: transparent;
}

@media (prefers-reduced-motion: no-preference) {
  .um-nav__link:hover:not(.is-active) .um-nav__label {
    background-image: linear-gradient(
      100deg,
      var(--muted) 12%,
      rgba(251, 191, 36, 0.95) 45%,
      var(--muted) 82%
    );
    background-size: 220% 100%;
    background-position: 100% 50%;
    animation: um-nav-label-shimmer 7s ease-in-out infinite;
    -webkit-background-clip: text;
    background-clip: text;
  }
}

.um-nav__link.is-active .um-nav__ico {
  transform: translateY(-0.5px) scale(1.05);
  filter: drop-shadow(0 0 10px rgba(251, 147, 60, 0.45));
}

.um-nav__link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: calc(100% - 12px);
  max-width: 7.5rem;
  height: 2px;
  border-radius: 2px;
  transform: translateX(-50%);
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(90deg, transparent, rgba(251, 99, 6, 0.35), transparent);
  transition: opacity 0.28s ease;
}

.um-nav__link:not(.is-active):hover::after {
  opacity: 1;
}

.um-nav__link.is-active::after {
  opacity: 1;
  background: linear-gradient(90deg, transparent, rgba(251, 99, 6, 0.75), transparent);
}

@keyframes um-nav-label-shimmer {
  0% {
    background-position: 92% 50%;
  }

  100% {
    background-position: 8% 50%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .um-nav__link:hover .um-nav__ico {
    transform: none;
  }

  .um-nav__link.is-active .um-nav__ico {
    transform: none;
  }

  .um-nav__link:hover:not(.is-active) .um-nav__label {
    animation: none;
    background-image: none;
    background-clip: border-box;
    -webkit-background-clip: unset;
    color: var(--text);
  }
}

.um-head-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.um-mini-link {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.um-mini-link:hover {
  color: var(--teal-bright);
}

#nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.um-burger-line {
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition:
    transform 0.32s var(--ease),
    opacity 0.32s;
}

#nav-burger.is-open .um-burger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

#nav-burger.is-open .um-burger-line:nth-child(2) {
  opacity: 0;
}

#nav-burger.is-open .um-burger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 980px) {
  #nav-burger {
    display: flex;
  }

  #nav-pill {
    position: fixed;
    inset: 0;
    max-width: none;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    padding: max(76px, 12vw) clamp(28px, 6vw, 48px);
    background: rgba(2, 4, 8, 0.97);
    transition: opacity 0.38s var(--ease);
    z-index: 900;
  }

  #nav-pill.is-open {
    opacity: 1;
    pointer-events: all;
  }

  #nav-pill .um-nav__link:not(:last-child)::before {
    display: none;
  }

  #nav-pill .um-nav__link {
    font-size: 1.2rem;
    padding: 16px clamp(24px, 5vw, 48px);
    justify-content: center;
    gap: 0.55em;
    width: 100%;
    max-width: 22rem;
  }

  #nav-pill .um-nav__ico {
    width: 28px;
    height: 28px;
  }

  #nav-pill .um-nav__ico svg {
    width: 24px;
    height: 24px;
  }
}

/* Buttons */
.um-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: var(--r-md);
  transition:
    transform 0.28s var(--ease),
    box-shadow 0.28s,
    background 0.28s,
    border-color 0.28s;
}

.um-btn--primary {
  background: linear-gradient(135deg, #c2410c, #ea580c);
  color: #fff;
  border: none;
  box-shadow: 0 10px 36px rgba(251, 99, 6, 0.22);
}

.um-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 48px rgba(251, 99, 6, 0.32);
}

.um-btn--ghost {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.um-btn--ghost:hover {
  border-color: rgba(251, 99, 6, 0.25);
  background: rgba(251, 99, 6, 0.05);
}

.um-btn--lg {
  padding: 14px 30px;
  font-size: 0.9525rem;
}

.um-btn-shine {
  position: relative;
  overflow: hidden;
}

.um-btn-shine::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255, 255, 255, 0.14) 50%,
    transparent 72%
  );
  transform: translateX(-140%);
  transition: transform 0.55s var(--ease);
}

.um-btn-shine:hover::before {
  transform: translateX(140%);
}

.um-btn--block {
  width: 100%;
  justify-content: center;
}

.um-sheet {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.02);
  transition:
    border-color 0.28s var(--ease),
    box-shadow 0.28s,
    transform 0.28s;
}

.um-sheet:hover {
  border-color: rgba(251, 99, 6, 0.16);
}

@media (pointer: fine) {
  .um-sheet.um-sheet--lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 26px 64px rgba(0, 0, 0, 0.45);
  }
}

.um-dialog {
  padding: clamp(18px, 5vw, 36px);
  border: none;
  background: transparent;
  margin: auto;
  max-width: none;
  width: 100vw;
  max-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.um-dialog::backdrop {
  background: rgba(0, 4, 8, 0.85);
  backdrop-filter: blur(12px);
}

.um-dialog-panel {
  position: relative;
  width: min(440px, 100%);
  padding: 2rem;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #1c1816 0%, #0b0908 100%);
}

.um-dialog-close {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 1.65rem;
  line-height: 1;
  opacity: 0.62;
  padding: 14px;
}

.um-dialog-close:hover {
  opacity: 1;
}

.um-dialog-panel h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 0.875rem;
}

.um-dialog-note {
  color: var(--muted);
  margin-bottom: 1rem;
}

.um-dialog-contact {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.125rem;
}

.um-dialog-contact a {
  color: var(--teal-bright);
}

.um-dialog-contact a:hover {
  text-decoration: underline;
}

.um-footer {
  padding: clamp(56px, 11vw, 104px) 0 44px;
  border-top: 1px solid var(--line);
  background: radial-gradient(ellipse 100% 50% at 50% -10%, rgba(251, 99, 6, 0.05), transparent 55%),
    linear-gradient(180deg, #120f0e, #070504);
}

.um-footer-grid {
  display: grid;
  gap: clamp(40px, 8vw, 88px);
  grid-template-columns: minmax(0, 260px) 1fr;
}

@media (max-width: 900px) {
  .um-footer-grid {
    grid-template-columns: 1fr;
  }
}

.um-foot-brand {
  font-family: var(--font-logo);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 8px;
}

.um-foot-about {
  color: var(--dim);
  font-size: 0.8525rem;
  line-height: 1.6;
}

.um-footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 32px;
}

.um-foot-heading {
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.975rem;
}

.um-foot-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.um-foot-links a,
.um-foot-links button {
  color: var(--muted);
  font-size: 0.9rem;
}

.um-foot-links a:hover,
.um-foot-links button:hover {
  color: var(--text);
}

.um-foot-copy {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem;
  color: var(--dim);
}