/* ============================================================
   Section 04 — The Island Overview
   Annotated Google Earth aerial with leader-line callouts to
   existing structures + headline site-fact strip below.
   Dark-mode background to match Sections 1–3 visual continuity.
   ============================================================ */

.overview {
  position: relative;
  background: var(--ocean-deep);
  color: var(--cream);
  padding: clamp(80px, 12vh, 140px) 0 clamp(48px, 7vh, 80px);
}

.overview__inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 64px);
}

.overview__header {
  text-align: center;
  margin-bottom: clamp(48px, 7vh, 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.overview__header .section__eyebrow {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

/* Wider so the lede comfortably wraps to two lines instead of three+ */
.overview__header .overview__lede {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.overview__header .section__eyebrow {
  color: var(--sand);
}

.overview__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(44px, 5.6vw, 84px);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--cream);
  margin: 14px 0 24px;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .overview__title { white-space: normal; font-size: clamp(34px, 8vw, 48px); }
}

.overview__lede {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.45;
  color: rgba(244, 237, 224, 0.78);
  letter-spacing: 0.005em;
}

/* ---------- Aerial stage ---------- */
.overview__aerial-wrap {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.overview__aerial-stage {
  position: relative;
  width: 100%;
  /* Image natural aspect ratio is 2400 × 1111 = 2.161 : 1 */
  aspect-ratio: 2400 / 1111;
  overflow: visible;
}

.overview__aerial-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.04) saturate(0.95);
  border: 0.5px solid rgba(244, 237, 224, 0.08);
}

/* ---------- SVG overlay layers ---------- */
.overview__leaders {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}

/* Layer: shallow water shelf — very subtle sand wash */
.overview__shallow {
  fill: rgba(244, 237, 224, 0.06);
  stroke: rgba(244, 237, 224, 0.14);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

/* Layer: lakes — soft lagoon-pale fill */
.overview__lake {
  fill: rgba(150, 200, 220, 0.18);
  stroke: rgba(180, 220, 235, 0.45);
  stroke-width: 1.2;
  stroke-linejoin: round;
  pointer-events: auto;
}

/* Layer: land outline — thin sand stroke, no fill */
.overview__land {
  fill: rgba(201, 182, 138, 0.04);
  stroke: rgba(201, 182, 138, 0.55);
  stroke-width: 1.4;
  stroke-linejoin: round;
}

/* Layer: building dots — bigger, brighter, with active state */
.overview__bldg {
  fill: var(--gold);
  stroke: var(--cream);
  stroke-width: 1.6;
  pointer-events: auto;
  cursor: pointer;
  transition: transform 200ms var(--ease-emerge), filter 200ms var(--ease-emerge);
  transform-origin: center;
  transform-box: fill-box;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.6));
}

.overview__bldg:hover {
  transform: scale(1.8);
}

.overview__bldg.is-active {
  transform: scale(2.2);
  filter: drop-shadow(0 0 8px rgba(201, 182, 138, 0.9));
  animation: bldgActivePulse 1400ms infinite ease-out;
}

@keyframes bldgActivePulse {
  0%, 100% { filter: drop-shadow(0 0 6px rgba(201, 182, 138, 0.7)); }
  50%      { filter: drop-shadow(0 0 14px rgba(201, 182, 138, 1)); }
}

.overview__bldg--living {
  fill: var(--cream);
  stroke: var(--gold);
}

.overview__bldg--ops {
  fill: var(--gold);
  stroke: var(--cream);
}

.overview__bldg--marine {
  fill: var(--gold);
  stroke: var(--cream);
  stroke-width: 1.5;
}

/* Animated halo around the jetty */
.overview__bldg-ring {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  stroke-opacity: 0.6;
  transform-origin: center;
  transform-box: fill-box;
  animation: jettyPulse 2800ms infinite ease-out;
}

@keyframes jettyPulse {
  0%   { transform: scale(0.6); stroke-opacity: 0.7; }
  100% { transform: scale(1.8); stroke-opacity: 0; }
}

/* Cluster leader lines — same gold thread as Section 02 */
.overview__leader-line {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  stroke-opacity: 0.7;
  stroke-linecap: round;
}

/* Inline label connectors — gold threads from each building dot
   to the start of its label. Thick + bright so they read at any size. */
.overview__inline-leader {
  fill: none;
  stroke: var(--gold);
  stroke-width: 2;
  stroke-opacity: 0.95;
  stroke-linecap: round;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 0.6));
}

.overview__inline-leader.is-active {
  stroke-width: 3;
  stroke-opacity: 1;
  filter: drop-shadow(0 0 6px rgba(201, 182, 138, 0.8));
}

/* HTML inline labels — sit ON the aerial near each labelled structure.
   Solid dark backdrop + gold border so they read against the photo. */
.overview__inline-label {
  position: absolute;
  z-index: 3;
  pointer-events: auto;
  cursor: pointer;
  font-family: var(--font-sans);
  letter-spacing: 0.04em;
  white-space: nowrap;
  padding: 9px 14px;
  background: rgba(4, 20, 28, 0.85);
  border: 1px solid rgba(201, 182, 138, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background 200ms var(--ease-emerge),
              border-color 200ms var(--ease-emerge),
              transform 200ms var(--ease-emerge);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.overview__inline-label:hover {
  background: rgba(11, 46, 64, 0.92);
  border-color: var(--gold);
}

.overview__inline-label.is-active {
  background: rgba(201, 182, 138, 0.18);
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold), 0 4px 20px rgba(201, 182, 138, 0.35);
}

.overview__inline-label--left  { transform: translate(-100%, -50%); }
.overview__inline-label--right { transform: translate(0, -50%); }
.overview__inline-label--top   { transform: translate(-50%, -100%); }

.overview__inline-name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cream);
  line-height: 1;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
}

.overview__inline-sub {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(244, 237, 224, 0.75);
  line-height: 1.3;
  font-style: italic;
}

/* ---------- HTML labels — float over the aerial ---------- */
.overview__label {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  font-family: var(--font-sans);
  color: var(--cream);
  letter-spacing: 0.04em;
  white-space: nowrap;
  transform: translate(-50%, -50%);
}

.overview__label-name {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--cream);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.overview__label-sub {
  display: block;
  margin-top: 4px;
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.02em;
  text-transform: none;
  color: rgba(244, 237, 224, 0.65);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.7);
}

/* Anchor variants — control which side the label sits relative to its
   transform origin. Use to avoid labels sliding off-screen. */
.overview__label--right {
  text-align: left;
  transform: translate(0, -50%);
}

.overview__label--left {
  text-align: right;
  transform: translate(-100%, -50%);
}

.overview__label--top {
  text-align: center;
  transform: translate(-50%, -100%);
}

.overview__label--bottom {
  text-align: center;
  transform: translate(-50%, 0);
}

/* ---------- Structures legend ---------- */
.overview__legend {
  margin-top: clamp(28px, 4vh, 44px);
  padding: clamp(24px, 3vh, 36px) 0 clamp(8px, 1.5vh, 16px);
  border-top: 0.5px solid rgba(244, 237, 224, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.overview__legend-col {
  padding: 0 clamp(14px, 2vw, 24px);
  border-left: 0.5px solid rgba(244, 237, 224, 0.08);
}

.overview__legend-col:first-child {
  border-left: none;
  padding-left: 0;
}

.overview__legend-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 14px;
}

.overview__legend-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.2px solid var(--gold);
  flex-shrink: 0;
}

.overview__legend-dot--living  { background: var(--cream); border-color: var(--gold); }
.overview__legend-dot--ops     { background: var(--gold); border-color: var(--cream); }
.overview__legend-dot--marine  { background: var(--gold); border-color: var(--cream); box-shadow: 0 0 0 2px rgba(201, 182, 138, 0.35); }
.overview__legend-dot--natural { background: rgba(180, 220, 235, 0.4); border-color: rgba(180, 220, 235, 0.7); }

.overview__legend-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.overview__legend-list li {
  font-family: var(--font-sans);
  font-size: 12px;
  line-height: 1.85;
  color: rgba(244, 237, 224, 0.7);
  letter-spacing: 0.02em;
  padding-left: 0;
  position: relative;
}

.overview__legend-mute {
  color: rgba(244, 237, 224, 0.4);
  font-size: 10px;
  letter-spacing: 0.06em;
}

/* ---------- Site facts strip ---------- */
.overview__facts {
  margin-top: clamp(48px, 7vh, 80px);
  padding-top: clamp(28px, 4vh, 44px);
  padding-bottom: clamp(8px, 2vh, 16px);
  border-top: 0.5px solid rgba(244, 237, 224, 0.12);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.overview__facts--three {
  grid-template-columns: repeat(3, 1fr);
}

.overview__fact {
  padding: 0 clamp(16px, 2.4vw, 28px);
  border-left: 0.5px solid rgba(244, 237, 224, 0.12);
  text-align: left;
}

.overview__fact:first-child {
  border-left: none;
  padding-left: 0;
}

.overview__fact-eyebrow {
  font-family: var(--font-sans);
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.overview__fact-figure {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 4vw, 52px);
  line-height: 1;
  letter-spacing: -0.005em;
  color: var(--cream);
  margin-bottom: 8px;
}

.overview__fact-figure .unit {
  font-size: 0.4em;
  letter-spacing: 0.08em;
  font-weight: 400;
  color: var(--sand);
  margin-left: 4px;
}

.overview__fact-label {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244, 237, 224, 0.7);
  margin-bottom: 6px;
}

.overview__fact-sub {
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 1.55;
  color: rgba(244, 237, 224, 0.5);
  letter-spacing: 0.01em;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .overview__facts {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 32px;
  }
  .overview__fact {
    border-left: 0.5px solid rgba(244, 237, 224, 0.12);
    padding-left: clamp(16px, 4vw, 28px);
  }
  .overview__fact:nth-child(2n+1) {
    border-left: none;
    padding-left: 0;
  }

  /* Shrink labels & hide subtitles on cramped widths */
  .overview__label-name { font-size: 9px; letter-spacing: 0.18em; }
  .overview__label-sub  { font-size: 9px; }

  /* Legend collapses to 2 columns */
  .overview__legend { grid-template-columns: repeat(2, 1fr); row-gap: 28px; }
  .overview__legend-col {
    border-left: 0.5px solid rgba(244, 237, 224, 0.08);
    padding-left: clamp(14px, 4vw, 24px);
  }
  .overview__legend-col:nth-child(2n+1) {
    border-left: none;
    padding-left: 0;
  }
}

@media (max-width: 640px) {
  .overview__facts {
    grid-template-columns: 1fr;
    row-gap: 24px;
  }
  .overview__fact {
    border-left: none !important;
    padding: 0;
    padding-top: 16px;
    border-top: 0.5px solid rgba(244, 237, 224, 0.12);
  }
  .overview__fact:first-child {
    padding-top: 0;
    border-top: none;
  }

  /* On phones, hide the leader-line cluster labels and inline labels
     but keep the SVG land + lakes + buildings — primary value. */
  .overview__layer--leaders,
  .overview__layer--inline-leaders,
  .overview__label,
  .overview__inline-label { display: none; }

  .overview__legend {
    grid-template-columns: 1fr;
    row-gap: 20px;
  }
  .overview__legend-col {
    border-left: none !important;
    padding: 0;
    padding-top: 14px;
    border-top: 0.5px solid rgba(244, 237, 224, 0.08);
  }
  .overview__legend-col:first-child {
    padding-top: 0;
    border-top: none;
  }
}