/* 3D Map Explorer — Atlas-inspired cinematic banner (own brand) */
/* Fonts loaded async from HTML — do not @import (blocks first paint) */

:root {
  --accent: #e08a3c;
  --accent-mid: #c96f28;
  --accent-deep: #9a4f18;
  /* Sky blue for labels / secondary accents; orange stays brand accent */
  --ice: #6ba8e8;
  --ice-soft: rgba(107, 168, 232, 0.16);
  --glow: #6ba8e8;
  --gold: #e8c547;
  --muted-ui: #7a7a7a;
  --nav-font: "Plus Jakarta Sans", sans-serif;
  --heading-font: "Red Hat Display", sans-serif;
  --desc-font: "DM Sans", sans-serif;
  --header-max: 1200px;
}

/* Dark (default banner) */
html[data-theme="dark"] {
  /* Reference charcoal (3d-mapper style) — not blue-black */
  --bg: #1c1c1c;
  --text: #ffffff;
  --muted: #7a7a7a;
  --logo-color: #ffffff;
  --nav-color: #d3d3d3;
  --heading-color: #ffffff;
  --desc-color: #b8b8b8;
  --nav-hover: #ffffff;
  --deck-border: rgba(140, 180, 220, 0.55);
  --deck-bg: rgba(12, 22, 36, 0.45);
  --deck-text: #e8f0f8;
  --hint-color: rgba(255, 255, 255, 0.5);
  --toggle-border: rgba(255, 255, 255, 0.22);
  --toggle-bg: rgba(255, 255, 255, 0.08);
  --toggle-color: #d0d4d8;
  color-scheme: dark;
}

/* Light alpine studio */
html[data-theme="light"] {
  --bg: #e8eef4;
  --text: #1a1f26;
  --muted: #5c6670;
  --logo-color: #3a3f47;
  --nav-color: #4a5560;
  --heading-color: #14191f;
  --desc-color: #5a6570;
  --nav-hover: #14191f;
  --deck-border: rgba(58, 63, 71, 0.28);
  --deck-bg: rgba(255, 255, 255, 0.72);
  --deck-text: #2a3038;
  --hint-color: rgba(26, 31, 38, 0.55);
  --toggle-border: rgba(58, 63, 71, 0.2);
  --toggle-bg: rgba(255, 255, 255, 0.75);
  --toggle-color: #5a6270;
  color-scheme: light;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--nav-font);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

.banner-page {
  min-height: 100svh;
  background: var(--bg);
  overflow-x: hidden;
}

/* Content pages (no cinematic hero) */
body:not(.banner-page) {
  background: var(--bg);
  color: var(--text);
  font-family: var(--nav-font);
  min-height: 100%;
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  width: 100%;
  padding-top: 18px;
  background: transparent;
}

.topbar-inner {
  width: min(var(--header-max), calc(100% - 48px));
  margin: 0 auto;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  margin-right: auto;
  color: var(--logo-color);
}

.logo-mark {
  width: 34px;
  height: 34px;
  display: block;
  flex-shrink: 0;
  color: inherit;
  filter: none;
}

.logo-text {
  font-family: var(--nav-font);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: inherit;
}

.nav {
  display: flex;
  gap: 2px;
}

.nav a {
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 400;
  color: var(--nav-color);
}

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

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--toggle-border);
  display: grid;
  place-items: center;
  background: var(--toggle-bg);
  color: var(--toggle-color);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.theme-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  color: var(--accent-mid);
}

.theme-toggle svg {
  width: 17px;
  height: 17px;
}

.theme-toggle .icon-sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle .icon-moon {
  display: none;
}

html[data-theme="dark"] .theme-toggle .icon-sun {
  display: block;
}

.btn-login {
  padding: 11px 22px;
  border-radius: 999px;
  background: linear-gradient(180deg, #f0a25a, var(--accent-mid) 55%, var(--accent-deep));
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 8px 22px rgba(201, 111, 40, 0.4);
}

.nav a.is-active {
  color: var(--nav-hover);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--toggle-border);
  background: var(--toggle-bg);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--toggle-color);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

body.nav-is-open {
  overflow: hidden;
}

body.nav-is-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-is-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

body.nav-is-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100svh;
  height: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding: 148px 24px 0;
  /* Must not clip the terrain — map sits fully in flow */
  overflow: visible;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  /* Same page theme as body / sections */
  background: var(--bg);
  transition: background 0.6s ease, opacity 0.6s ease;
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 65% 50% at 50% 55%,
    #2a2a2a 0%,
    transparent 70%
  );
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  left: 50%;
  top: 58%;
  width: min(900px, 90vw);
  height: 360px;
  transform: translate(-50%, -40%);
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(
    ellipse at center,
    rgba(107, 168, 232, 0.08) 0%,
    transparent 70%
  );
  transition: opacity 0.5s ease, transform 0.8s ease;
}

.hero-overlay {
  position: relative;
  z-index: 10;
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 8px;
  text-align: center;
  flex-shrink: 0;
}

.hero-overlay h1 {
  margin: 0 0 12px;
  font-family: var(--heading-font);
  font-size: clamp(44px, 7vw, 78px);
  font-weight: 600;
  line-height: 1.06;
  color: var(--heading-color);
  text-shadow:
    0 2px 24px rgba(0, 0, 0, 0.75),
    0 0 40px rgba(0, 0, 0, 0.45);
}

.hero-overlay p {
  margin: 0 auto 18px;
  max-width: 46em;
  font-family: var(--desc-font);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.45;
  color: var(--desc-color);
  text-shadow: 0 1px 18px rgba(0, 0, 0, 0.7);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}

.btn-explore,
.btn-deck {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 12px 28px;
  border-radius: 999px;
  font-family: var(--nav-font);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn-explore {
  border: 0;
  background: linear-gradient(180deg, #f0a25a, var(--accent) 42%, var(--accent-deep));
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    0 10px 28px rgba(201, 111, 40, 0.48);
}

.btn-explore:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
}

.btn-deck {
  border: 1px solid var(--deck-border);
  background: var(--deck-bg);
  color: var(--deck-text);
  backdrop-filter: blur(8px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 8px 22px rgba(0, 0, 0, 0.18);
}

.btn-deck:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  background: var(--ice-soft);
  color: var(--heading-color);
}

/* Full terrain block under CTAs — soft blend into page, not a hard plate */
.hero-map {
  position: relative;
  z-index: 5;
  width: min(1180px, 100%);
  flex: 0 0 auto;
  margin: 4px auto 0;
  padding: 0 0 8px;
  box-sizing: border-box;
  min-height: clamp(420px, 68vh, 760px);
  height: clamp(420px, 68vh, 760px);
}

#map3d {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  display: block;
  outline: none;
  touch-action: none;
  cursor: grab;
  background: transparent !important;
}

.map-floor {
  position: absolute;
  left: 50%;
  bottom: 8%;
  width: 70%;
  height: 48px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.55), transparent 70%);
  filter: blur(8px);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.4s ease;
}

#map3d:active {
  cursor: grabbing;
}

.map-loading {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  font-family: var(--desc-font);
  font-size: 15px;
  color: var(--muted);
  pointer-events: none;
  transition: opacity 0.4s;
}

.hero-map:not(.is-3d-ready) .zoom-meter,
.hero-map:not(.is-3d-ready) .map-hint {
  opacity: 0;
  pointer-events: none;
}

.map-hint {
  position: absolute;
  left: 50%;
  bottom: 6px;
  transform: translateX(-50%);
  z-index: 4;
  margin: 0;
  font-family: var(--desc-font);
  font-size: 13px;
  color: var(--hint-color);
  pointer-events: none;
  transition: opacity 0.3s ease;
  white-space: nowrap;
}

.zoom-meter {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 6;
  width: 140px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.zoom-meter.is-on {
  opacity: 1;
}

.zoom-meter span {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

.zoom-track {
  height: 3px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.15);
  overflow: hidden;
}

.zoom-track i {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent-mid), var(--ice));
  transition: width 0.08s linear;
}

/* Progressive zoom immersion */
.hero.is-diving .hero-overlay {
  opacity: 0;
  transform: translateY(-24px) scale(0.98);
  filter: blur(4px);
  pointer-events: none;
}

.hero.is-diving .hero-glow {
  opacity: 0.35;
  transform: translate(-50%, -30%) scale(1.2);
}

.hero.is-deep .hero-map {
  position: fixed;
  inset: 0;
  z-index: 40;
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
  background: var(--bg);
}

/* ——— Light theme surfaces ——— */
html[data-theme="light"] .hero-bg {
  background: var(--bg);
}

html[data-theme="light"] .hero-bg::after {
  background: radial-gradient(
    ellipse 70% 55% at 50% 62%,
    color-mix(in srgb, var(--bg) 40%, #ffffff) 0%,
    transparent 70%
  );
}

html[data-theme="light"] .hero-glow {
  background: radial-gradient(
    ellipse at center,
    rgba(224, 138, 60, 0.22) 0%,
    rgba(140, 180, 220, 0.12) 48%,
    transparent 72%
  );
}

html[data-theme="light"] .hero-overlay h1 {
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.65),
    0 8px 28px rgba(255, 255, 255, 0.55);
}

html[data-theme="light"] .hero-overlay p {
  text-shadow: 0 1px 10px rgba(255, 255, 255, 0.7);
}

html[data-theme="light"] .map-floor {
  background: radial-gradient(ellipse at center, rgba(40, 50, 60, 0.28), transparent 70%);
}

html[data-theme="light"] .zoom-meter span {
  color: rgba(26, 31, 38, 0.55);
}

html[data-theme="light"] .zoom-track {
  background: rgba(26, 31, 38, 0.12);
}

.hero.is-deep .map-floor,
.hero.is-deep .map-hint {
  opacity: 0;
}

.hero.is-deep .topbar {
  opacity: 0;
  pointer-events: none;
}

.hero.is-deep .zoom-meter {
  opacity: 1;
  left: 28px;
  bottom: 28px;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: flex;
  }

  .btn-login {
    display: none;
  }

  .nav {
    display: none;
    position: fixed;
    inset: 86px 16px auto;
    z-index: 60;
    flex-direction: column;
    gap: 4px;
    padding: 14px;
    border-radius: 16px;
    border: 1px solid color-mix(in srgb, var(--muted) 28%, transparent);
    background: color-mix(in srgb, var(--bg) 94%, #000);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(16px);
  }

  body.nav-is-open .nav {
    display: flex;
  }

  .nav a {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 16px;
  }

  .nav a:hover,
  .nav a.is-active {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
  }

  .hero-overlay h1 {
    font-size: clamp(32px, 9vw, 76px);
  }

  .hero-overlay p {
    font-size: 16px;
  }

  .hero {
    min-height: auto;
    padding: 120px 16px 0;
  }

  .topbar {
    padding-top: 12px;
  }

  .topbar-inner {
    width: calc(100% - 28px);
    height: 64px;
    gap: 12px;
  }

  .logo-text {
    font-size: 15px;
  }

  .hero-map {
    width: 100%;
    margin-top: 12px;
    min-height: clamp(300px, 52vh, 480px);
    height: clamp(300px, 52vh, 480px);
  }

  .hero-overlay h1 {
    font-size: clamp(30px, 8vw, 56px);
  }

  .chips {
    gap: 8px;
  }

  .chip {
    font-size: 13px;
    color: #fff;
  }
}

@media (max-width: 560px) {
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-ctas a {
    text-align: center;
    justify-content: center;
  }

  .zoom-meter,
  .map-hint {
    display: none;
  }
}

.hero-bridge {
  position: relative;
  z-index: 2;
  margin-top: 0;
  padding: 20px 20px 8px;
  background: var(--bg);
  text-align: center;
}

.hero-bridge p {
  margin: 0;
  font-family: var(--desc-font);
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.site-main > .section:first-child {
  padding-top: 48px;
}