/* ---------- base niceties ---------- */
html {
  scroll-behavior: smooth;
}

::selection {
  background: #ff6a3d;
  color: #050a16;
}

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #ff6a3d;
  color: #050a16;
  padding: 0.75rem 1.25rem;
  z-index: 100;
  font-weight: 600;
  border-radius: 0 0 0.5rem 0;
}
.skip-link:focus {
  left: 0;
}

/* ---------- nav ---------- */
#site-nav {
  background: transparent;
}
#site-nav.is-scrolled {
  background: rgba(5, 10, 22, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-link {
  position: relative;
  transition: color 0.2s ease;
}
.nav-link:hover {
  color: #fff;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: #ff6a3d;
  transition: width 0.2s ease;
}
.nav-link:hover::after {
  width: 100%;
}
.nav-link--active {
  color: #fff;
}
.nav-link--active::after {
  width: 100%;
}

.mobile-link {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---------- typography helpers ---------- */
.kicker {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #d94f26;
}

.section-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* ---------- icon badges ---------- */
.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: rgba(255, 106, 61, 0.1);
  border: 1px solid rgba(255, 106, 61, 0.3);
  color: #ff6a3d;
}
.icon-badge--lg {
  width: 56px;
  height: 56px;
}

/* ---------- background grid texture ---------- */
.bg-grid {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}
.bg-grid-dark {
  background-image:
    linear-gradient(to right, rgba(10, 17, 40, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 17, 40, 0.6) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

/* ---------- pipeline step cards ---------- */
.step-card {
  position: relative;
  background: #fff;
  border: 1px solid rgba(10, 17, 40, 0.08);
  box-shadow: 0 1px 3px rgba(10, 17, 40, 0.05);
  border-radius: 1.25rem;
  padding: 1.75rem 1.5rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 106, 61, 0.45);
  box-shadow: 0 16px 28px rgba(10, 17, 40, 0.08);
}
.step-number {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(10, 17, 40, 0.3);
  letter-spacing: 0.08em;
}

/* ---------- tech badges ---------- */
.tech-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  background: rgba(10, 17, 40, 0.04);
  border: 1px solid rgba(10, 17, 40, 0.1);
  color: #334155;
}

/* ---------- collaborate cards ---------- */
.collab-card {
  background: #fff;
  border: 1px solid rgba(10, 17, 40, 0.08);
  box-shadow: 0 1px 3px rgba(10, 17, 40, 0.05);
  border-radius: 1.5rem;
  padding: 2rem;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.collab-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 106, 61, 0.5);
  box-shadow: 0 20px 32px rgba(10, 17, 40, 0.1);
}
.collab-link {
  margin-top: 1.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: #d94f26;
  transition: gap 0.2s ease, color 0.2s ease;
}
.collab-link:hover {
  gap: 0.65rem;
  color: #ff6a3d;
}

/* ---------- timeline ---------- */
.timeline-step {
  position: relative;
  padding: 0 0 2rem 2rem;
  border-left: 2px solid rgba(10, 17, 40, 0.12);
}
.timeline-step:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: -7px;
  top: 2px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #fff;
  border: 2px solid rgba(10, 17, 40, 0.25);
}
.timeline-step.is-active {
  border-left-color: #ff6a3d;
}
.timeline-step.is-active .timeline-dot {
  background: #ff6a3d;
  border-color: #ff6a3d;
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.18);
}

/* ---------- misc photo treatment ---------- */
.drone-photo {
  filter: saturate(0.85) brightness(0.85);
  position: relative;
}

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ---------- slow bounce for scroll cue ---------- */
@keyframes bounce-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}
.animate-bounce-slow {
  animation: bounce-slow 2.4s ease-in-out infinite;
}

/* ---------- pulsing "live" status dot (teaser + journal) ---------- */
@keyframes ping-soft {
  0% { transform: scale(0.6); opacity: 0.6; }
  100% { transform: scale(2.2); opacity: 0; }
}
.pulse-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #ff6a3d;
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 999px;
  background: #ff6a3d;
  opacity: 0.4;
  animation: ping-soft 2s ease-out infinite;
}
@media (prefers-reduced-motion: reduce) {
  .pulse-dot::after { animation: none; }
}

/* ---------- journal: header meta row ---------- */
.j-meta {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: rgba(226, 232, 240, 0.75);
}
.j-meta b {
  color: #fff;
  font-weight: 600;
}
.j-statusbar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex-wrap: wrap;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: rgba(226, 232, 240, 0.55);
}
.j-statusbar .j-live {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  font-weight: 600;
}

/* ---------- journal: "estado actual" callout card ---------- */
.j-estado {
  background: #fff;
  border: 1px solid rgba(10, 17, 40, 0.08);
  border-left: 3px solid #ff6a3d;
  border-radius: 1rem;
  padding: 1.75rem 2rem;
  box-shadow: 0 1px 3px rgba(10, 17, 40, 0.05);
}
.j-estado-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.j-estado-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1.3rem;
  color: #0a1128;
  letter-spacing: -0.01em;
}
.j-estado-date {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  background: #ff6a3d;
  border-radius: 999px;
  padding: 0.28rem 0.75rem;
  white-space: nowrap;
}
.j-estado p {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.75;
  margin-bottom: 0.85rem;
  text-align: justify;
}
.j-estado p:last-child {
  margin-bottom: 0;
}
.j-estado p b {
  color: #0a1128;
  font-weight: 600;
}

/* ---------- journal: stats strip ---------- */
.j-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.2rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.j-stat b {
  display: block;
  font-size: 1.5rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.1;
}
.j-stat span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(226, 232, 240, 0.55);
}

/* ---------- journal: daily/weekly view toggle ---------- */
.j-view-toggle {
  display: inline-flex;
  gap: 0.25rem;
  padding: 0.25rem;
  background: rgba(10, 17, 40, 0.04);
  border: 1px solid rgba(10, 17, 40, 0.08);
  border-radius: 999px;
}
.j-view-btn {
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.j-view-btn:hover {
  color: #0a1128;
}
.j-view-btn.is-active {
  background: #0a1128;
  color: #fff;
}

/* ---------- journal: weekly summary cards ---------- */
.j-week {
  background: #fff;
  border: 1px solid rgba(10, 17, 40, 0.08);
  border-radius: 1.25rem;
  padding: 1.75rem 2rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 1px 3px rgba(10, 17, 40, 0.05);
}
.j-week:last-child {
  margin-bottom: 0;
}
.j-week-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}
.j-week-title {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: #0a1128;
  letter-spacing: -0.01em;
}
.j-week-range {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #94a3b8;
}
.j-week-count {
  margin-left: auto;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.7rem;
  font-weight: 600;
  color: #d94f26;
  white-space: nowrap;
}
.j-week p {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.7;
}
.j-week-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

/* ---------- journal: category filter chips ---------- */
.j-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.j-filter {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(10, 17, 40, 0.15);
  background: #fff;
  color: #475569;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.j-filter:hover {
  border-color: rgba(255, 106, 61, 0.5);
  color: #0a1128;
}
.j-filter.is-active {
  background: #0a1128;
  border-color: #0a1128;
  color: #fff;
}

/* ---------- journal: month dividers ---------- */
.j-month {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #94a3b8;
  margin: 0 0 1.5rem;
  padding-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.j-month::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(10, 17, 40, 0.1);
}
.j-month:not(:first-child) {
  margin-top: 0.5rem;
}

/* ---------- journal: category tags ---------- */
.j-tag {
  display: inline-flex;
  align-items: center;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.j-tag--hardware { background: rgba(255, 106, 61, 0.1); border-color: rgba(255, 106, 61, 0.3); color: #d94f26; }
.j-tag--sistema  { background: rgba(59, 130, 246, 0.08); border-color: rgba(59, 130, 246, 0.28); color: #1d4ed8; }
.j-tag--ia       { background: rgba(139, 92, 246, 0.09); border-color: rgba(139, 92, 246, 0.28); color: #6d28d9; }
.j-tag--vuelo    { background: rgba(13, 148, 136, 0.09); border-color: rgba(13, 148, 136, 0.28); color: #0f766e; }
.j-tag--memoria  { background: rgba(10, 17, 40, 0.05); border-color: rgba(10, 17, 40, 0.15); color: #475569; }

.j-hito {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.22rem 0.6rem 0.22rem 0.5rem;
  border-radius: 999px;
  background: #ff6a3d;
  color: #fff;
}

/* ---------- journal: chronological log (accordion) ---------- */
.j-phase {
  position: relative;
  display: block;
  padding: 0 0 1.5rem 2rem;
  border-left: 2px solid rgba(10, 17, 40, 0.12);
}
.j-phase:last-of-type {
  border-left-color: transparent;
  padding-bottom: 0;
}
.j-phase::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0.65rem;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #ff6a3d;
  border: 2px solid #ff6a3d;
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.15);
  z-index: 1;
}
.j-phase[data-hidden="true"] {
  display: none;
}

.j-phase-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding: 0.5rem 0.25rem 0.5rem 0;
  border-radius: 0.75rem;
  transition: background 0.15s ease;
}
.j-phase-summary::-webkit-details-marker {
  display: none;
}
.j-phase-summary:hover {
  background: rgba(10, 17, 40, 0.03);
}
.j-chevron {
  margin-left: auto;
  color: #94a3b8;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.j-phase[open] > .j-phase-summary .j-chevron {
  transform: rotate(90deg);
}

.j-date {
  display: inline-flex;
  align-items: center;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: #0a1128;
  border-radius: 999px;
  padding: 0.3rem 0.85rem;
  white-space: nowrap;
}

.j-phase > .j-tasks {
  margin-top: 1rem;
}

.j-tasks {
  list-style: none;
}
.j-tasks > li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1.5rem;
  border-bottom: 1px solid rgba(10, 17, 40, 0.08);
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.65;
}
.j-tasks > li:last-child {
  border-bottom: none;
}
.j-tasks > li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 1.05rem;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: rgba(255, 106, 61, 0.12);
  border: 1.5px solid #ff6a3d;
}
.j-tasks li b {
  color: #0a1128;
  font-weight: 600;
}

.j-sub {
  list-style: none;
  margin: 0.55rem 0 0.15rem;
}
.j-sub li {
  position: relative;
  padding: 0.25rem 0 0.25rem 1.15rem;
  font-size: 0.88rem;
  color: #64748b;
  line-height: 1.6;
}
.j-sub li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0.2rem;
  color: #ff6a3d;
  font-size: 0.8rem;
}
.j-sub li b {
  color: #0a1128;
  font-weight: 600;
}

.j-code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.85em;
  background: #f1f5f9;
  color: #0a1128;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  border: 1px solid rgba(10, 17, 40, 0.08);
}
.j-cost {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.82em;
  color: #d94f26;
  font-weight: 600;
  white-space: nowrap;
}
.j-link {
  color: #d94f26;
  text-decoration: none;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.85em;
  word-break: break-all;
  border-bottom: 1px solid rgba(217, 79, 38, 0.3);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.j-link:hover {
  border-color: #d94f26;
  color: #ff6a3d;
}