/* ==========================================================
   SKYFUNS | FLIGHT PREP TOOLKIT (Full Version)
   Includes map popup redesign, NOTAM styling & animations
   Author: SkyFuns Dev
========================================================== */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", sans-serif;
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-secondary) 88%, var(--bg-primary) 12%) 0%, var(--bg-primary) 100%);
  color: var(--text-primary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.prep {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(2.4rem, 6vw, 4rem) clamp(1.4rem, 6vw, 3rem) clamp(3rem, 7vw, 4.8rem);
  display: grid;
  gap: clamp(2.4rem, 5vw, 3.6rem);
}

/* --------------------------------------------------------------
   HERO SECTION
-------------------------------------------------------------- */

.prep-hero {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--text-dark) 12%, transparent);
  box-shadow: 0 32px 54px color-mix(in srgb, var(--shadow-primary) 48%, transparent);
  min-height: clamp(440px, 70vh, 640px);
  display: grid;
  align-items: end;
}

.prep-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.prep-hero__overlay {
  position: relative;
  padding: clamp(2.8rem, 7vw, 3.8rem);
  color: var(--text-white);
  max-width: 620px;
  display: grid;
  gap: 1.4rem;
}

.prep-hero__meta {
  display: grid;
  gap: 0.6rem;
  background: color-mix(in srgb, var(--bg-primary) 35%, transparent);
  padding: 1rem 1.2rem;
  border-radius: 18px;
  font-size: 0.9rem;
}

.prep-hero__meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.prep-hero__cta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* --------------------------------------------------------------
   SECTIONS & CARDS
-------------------------------------------------------------- */

.prep-section {
  background: color-mix(in srgb, var(--bg-primary) 96%, transparent);
  border-radius: 28px;
  border: 1px solid color-mix(in srgb, var(--text-dark) 12%, transparent);
  box-shadow: 0 24px 44px color-mix(in srgb, var(--shadow-primary) 42%, transparent);
  padding: clamp(2rem, 5vw, 2.8rem);
  display: grid;
  gap: clamp(1.4rem, 4vw, 2rem);
}

.prep-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin: 0 0 0.4rem;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1.2rem, 3vw, 1.8rem);
}

.prep-card {
  display: grid;
  gap: 0.6rem;
  padding: 1.4rem;
  border: 1px solid color-mix(in srgb, var(--text-dark) 10%, transparent);
  border-radius: 22px;
  background: color-mix(in srgb, var(--bg-secondary) 16%, transparent);
}

.prep-card h3 {
  margin: 0;
  font-size: 1.08rem;
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
}

.prep-link,
.guide-link {
  color: var(--accent-primary);
  font-weight: 600;
  text-decoration: none;
}

.prep-link:hover,
.prep-link:focus-visible,
.guide-link:hover,
.guide-link:focus-visible {
  text-decoration: underline;
}

/* --------------------------------------------------------------
   TIMELINE
-------------------------------------------------------------- */

.prep-timeline {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.prep-timeline li {
  border: 1px solid color-mix(in srgb, var(--text-dark) 10%, transparent);
  border-radius: 20px;
  padding: 1.2rem 1.4rem;
  background: color-mix(in srgb, var(--bg-primary) 94%, transparent);
  display: grid;
  gap: 0.35rem;
}

.prep-timeline h3 {
  margin: 0;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.prep-timeline h3 span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--accent-primary) 18%, transparent);
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.92rem;
}

.prep-note {
  border-left: 4px solid var(--accent-primary);
  padding: 1.2rem 1.6rem;
  border-radius: 18px;
  background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
  display: grid;
  gap: 0.4rem;
}

.prep-note h3 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* --------------------------------------------------------------
   CHECKLISTS & WEATHER
-------------------------------------------------------------- */

.prep-checklist {
  display: grid;
  gap: 1rem;
}

.prep-checklist__row {
  display: grid;
  gap: 0.4rem;
  border: 1px solid color-mix(in srgb, var(--text-dark) 10%, transparent);
  border-radius: 18px;
  padding: 1.1rem 1.3rem;
  background: color-mix(in srgb, var(--bg-primary) 94%, transparent);
}

.prep-weather {
  display: grid;
  gap: 0.9rem;
}

.prep-weather__form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.prep-weather__form input {
  flex: 1 1 180px;
  padding: 0.65rem 1rem;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--text-dark) 12%, transparent);
  font-size: 0.95rem;
}

.prep-weather__results {
  background: color-mix(in srgb, var(--bg-primary) 94%, transparent);
  border: 1px solid color-mix(in srgb, var(--text-dark) 10%, transparent);
  border-radius: 18px;
  padding: 1.1rem 1.3rem;
  color: var(--text-secondary);
}

.prep-weather__results ul {
  margin: 0.6rem 0 0;
  padding-left: 1.2rem;
}

.prep-weather__shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* --------------------------------------------------------------
   MAP STYLING
-------------------------------------------------------------- */

.prep-map {
  display: grid;
  gap: 0.8rem;
}

.prep-map__controls {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.prep-map__canvas {
  width: 100%;
  height: clamp(320px, 45vw, 480px);
  border-radius: 24px;
  border: 1px solid color-mix(in srgb, var(--text-dark) 12%, transparent);
  box-shadow: 0 24px 44px color-mix(in srgb, var(--shadow-primary) 38%, transparent);
  overflow: hidden;
}

.prep-map__note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

/* Filter chips */
.prep-chip {
  border: 1px solid color-mix(in srgb, var(--text-dark) 12%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--bg-chip) 80%, transparent);
  padding: 0.45rem 1.1rem;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: transform 0.18s ease;
}

.prep-chip:hover,
.prep-chip:focus-visible {
  transform: translateY(-1px);
}

.prep-map__controls .prep-chip[aria-pressed="true"] {
  background: var(--accent-primary);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 20%, transparent);
}

/* --------------------------------------------------------------
   MAP MARKERS & POPUPS
-------------------------------------------------------------- */

.sf-marker__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.4);
  transition: transform 0.25s ease, background 0.25s ease;
}
.sf-marker__dot:hover {
  transform: scale(1.3);
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent-primary) 60%, transparent);
}

.leaflet-popup-content-wrapper {
  background: color-mix(in srgb, var(--bg-primary) 96%, var(--text-white) 4%);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  border: 1px solid color-mix(in srgb, var(--accent-primary) 30%, transparent);
}

.leaflet-popup-content {
  margin: 0;
  padding: 1.1rem 1.2rem;
  font-family: "Inter", sans-serif;
  line-height: 1.45;
  color: var(--text-primary);
}

.leaflet-popup-tip {
  background: color-mix(in srgb, var(--bg-primary) 96%, var(--text-white) 4%);
  border: 1px solid color-mix(in srgb, var(--accent-primary) 30%, transparent);
}

.sf-popup {
  font-family: "Inter", sans-serif;
  font-size: 0.92rem;
  color: var(--text-primary);
  max-width: 420px;
  line-height: 1.4;
  max-height: 380px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary, #3BAFA2) transparent;
}
.sf-popup::-webkit-scrollbar {
  width: 6px;
}
.sf-popup::-webkit-scrollbar-thumb {
  background: var(--accent-primary, #3BAFA2);
  border-radius: 6px;
}

.sf-popup__header h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-primary, #3BAFA2);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.2rem 0 0.4rem;
}

.sf-popup__section {
  background: color-mix(in srgb, var(--bg-primary) 96%, transparent);
  border-radius: 12px;
  padding: 0.6rem 0.7rem;
  margin: 0.4rem 0;
}

.sf-popup__section p {
  display: flex;
  align-items: start;
  gap: 0.4rem;
  margin: 0.3rem 0;
}

.sf-popup__footer {
  margin-top: 0.8rem;
  font-size: 0.75rem;
  text-align: right;
  color: var(--text-secondary);
  opacity: 0.8;
}

/* NOTAM dropdowns */
.sf-notam {
  margin: 0.4rem 0;
  background: color-mix(in srgb, var(--bg-primary) 96%, transparent);
  border-radius: 12px;
  padding: 0.4rem 0.6rem;
  border: 1px solid color-mix(in srgb, var(--accent-primary) 30%, transparent);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.sf-notam[open] {
  background: color-mix(in srgb, var(--accent-primary) 10%, transparent);
  box-shadow: 0 2px 6px color-mix(in srgb, var(--accent-primary) 18%, transparent);
}

.sf-notam summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--accent-primary, #3BAFA2);
}

.sf-notam summary:hover {
  color: color-mix(in srgb, var(--accent-primary) 80%, black 10%);
}

/* --------------------------------------------------------------
   CTA + RESPONSIVE
-------------------------------------------------------------- */

.prep-cta {
  text-align: center;
  display: grid;
  gap: 1rem;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent-secondary) 30%, transparent), color-mix(in srgb, var(--accent-primary) 22%, transparent));
  color: var(--text-white);
  border-radius: 28px;
  padding: clamp(2rem, 5vw, 2.8rem);
  box-shadow: 0 28px 48px color-mix(in srgb, var(--shadow-primary) 38%, transparent);
}

.prep-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.6rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.prep-btn--inline,
.prep-btn--primary {
  background: var(--text-white);
  color: var(--accent-primary);
}

.prep-btn--ghost {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--text-white) 30%, transparent);
  color: var(--text-white);
}

.prep-btn:hover,
.prep-btn:focus-visible {
  transform: translateY(-1px);
}

@media (max-width: 720px) {
  .prep-hero__meta { grid-template-columns: 1fr; }
  .prep-hero__cta { display: grid; }
  .prep-map__controls,
  .prep-map__note { width: 100%; }
  .prep-cta .prep-btn,
  .prep-hero__cta .prep-btn { width: 100%; }
  .leaflet-popup-content-wrapper { max-width: 90vw; border-radius: 16px; }
  .sf-popup { max-height: 300px; }
}

.notam-meta {
  font-size: 0.78rem;
  color: var(--text-secondary);
}


.prep-muted {
  color: var(--text-secondary);
}