/* ==========================================================================
   Weather Forecast App — style.css
   Vanilla HTML/CSS/JS build with full feature parity to the React version
   (skycast-react): day/night hero backdrop, AQI stat, AI Insight card, SVG
   weather icons, and the floating chat widget.
   ========================================================================== */

:root {
  /* Sky gradient */
  --blue-deep: #1558C9;
  --blue-mid: #2E7BE8;
  --blue-light: #6BAEF5;
  --blue-pale: #EAF3FE;

  /* Night sky (reused from the landing splash) */
  --night-deep: #0B1E3F;
  --night-mid: #12305C;
  --night-light: #1B4A8C;

  /* Brand accent */
  --yellow: #FFC53D;

  /* Text / neutrals */
  --ink: #12202E;
  --muted: #8494A3;
  --muted-2: #9AA7B2;
  --border: #E7ECF2;
  --bg-soft: #F6F9FC;
  --white: #FFFFFF;

  /* Weather icon set — sun-based icons use --yellow, everything else
     (cloud/rain/snow/fog) uses this muted blue-grey so icons read as one
     family with the sky gradient instead of flat grey */
  --icon-muted: #7C93B5;

  /* Alert (distinct from brand yellow — reads as urgent) */
  --alert-bg: #FFF4E8;
  --alert-border: #F2B366;
  --alert-text: #7A3E10;
  --alert-icon: #C6621A;

  /* Sunrise / sunset cards */
  --sunrise-bg: #FFF9EC;
  --sunrise-border: #F6E4B4;
  --sunrise-text: #9A7A2E;
  --sunrise-icon: #C6871A;
  --sunset-bg: #EEF2FB;
  --sunset-border: #D7E0F5;
  --sunset-text: #5E6BA8;
  --sunset-icon: #4A5BA6;

  --font-display: 'Fraunces', Georgia, serif;
  --font-sans: 'Manrope', system-ui, -apple-system, sans-serif;

  --sky-band-height: 640px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background-color: var(--white);
}
h1, h2, h3, p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
a { color: inherit; text-decoration: none; }

.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;
}

/* Respect the [hidden] attribute — never let a reset undo it */
[hidden] { display: none !important; }

/* Focus visibility for keyboard users */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ==========================================================================
   App shell + day/night sky gradient
   The blue "sky" band lives on the `.app` root, sized to a fixed height, so
   the topbar, alert bar and hero all sit on ONE continuous gradient without
   each needing its own background. `.app--night` swaps it to the night
   colors when the searched city is currently after sunset / before sunrise.
   ========================================================================== */
.app {
  max-width: 1440px;
  margin: 0 auto;
  background-image: linear-gradient(
    165deg,
    var(--blue-deep) 0%,
    var(--blue-mid) 45%,
    var(--blue-light) 78%,
    var(--blue-pale) 100%
  );
  background-repeat: no-repeat;
  background-size: 100% var(--sky-band-height);
}
.app--night {
  background-image: linear-gradient(
    165deg,
    var(--night-deep) 0%,
    var(--night-mid) 55%,
    var(--night-light) 100%
  );
}

/* ==========================================================================
   Topbar
   ========================================================================== */
.topbar {
  padding: 32px 56px 0;
}
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand__mark {
  font-size: 18px;
  color: var(--yellow);
  line-height: 1;
}
.brand__name {
  font-family: var(--font-sans);
  font-size: 21px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.01em;
}

.search-form {
  flex-grow: 1;
  max-width: 460px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.38);
  border-radius: 999px;
  padding: 6px 6px 6px 18px;
}
.search-form__input {
  flex-grow: 1;
  border: none;
  background: transparent;
  outline: none;
  color: var(--white);
  font-size: 14px;
}
.search-form__input::placeholder {
  color: rgba(255,255,255,0.75);
}
.search-form__submit {
  background: var(--white);
  color: var(--blue-deep);
  border: none;
  border-radius: 999px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.search-form__submit:hover { transform: scale(1.06); }

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(255,255,255,0.34);
  background: rgba(255,255,255,0.16);
  color: var(--white);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  min-height: 44px;
  transition: background 0.15s ease;
}
.btn:hover { background: rgba(255,255,255,0.26); }
.btn__icon { font-size: 13px; line-height: 1; }

.btn--unit {
  font-weight: 700;
  letter-spacing: 0.01em;
}
.unit-divider { opacity: 0.6; margin: 0 2px; }

.btn--notify {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--border);
  align-self: flex-start;
}
.btn--notify:hover { background: var(--bg-soft); }

/* ==========================================================================
   Status / alert zone
   ========================================================================== */
.status-zone {
  padding: 20px 56px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.status-msg {
  color: var(--white);
  font-size: 14px;
  min-height: 1.2em;
}

.alert-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--alert-bg);
  border: 1px solid var(--alert-border);
  border-radius: 14px;
  padding: 14px 20px;
  color: var(--alert-text);
}
.alert-banner__icon {
  color: var(--alert-icon);
  font-size: 18px;
  flex-shrink: 0;
}
.alert-banner__text {
  font-size: 14px;
  font-weight: 600;
  flex-grow: 1;
}

/* ==========================================================================
   Hero — current conditions, sits on the sky gradient
   ========================================================================== */
main { display: block; }

.hero {
  position: relative;
  padding: 36px 56px 0;
  overflow: visible;
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hero__sky,
.hero__moon {
  position: absolute;
  top: 10px;
  right: 100px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
}
.hero__sky {
  background: var(--yellow);
  box-shadow:
    0 0 0 26px rgba(255,197,61,0.14),
    0 0 0 52px rgba(255,197,61,0.07);
}
.hero__moon {
  background: var(--blue-pale);
  box-shadow:
    0 0 0 22px rgba(234,243,254,0.10),
    0 0 0 44px rgba(234,243,254,0.05),
    inset -30px -12px 0 0 var(--night-deep);
}
.hero__stars { position: absolute; inset: 0; }
.hero__star {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--white);
  opacity: 0.7;
}
.hero__horizon {
  position: absolute;
  top: 280px;
  left: -60px;
  width: 420px;
  height: 120px;
  border-radius: 60px;
  background: rgba(255,255,255,0.12);
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__location {
  font-size: 16px;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
}

.hero__primary {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}
.hero__temp {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(72px, 13vw, 196px);
  line-height: 0.86;
  color: var(--white);
  letter-spacing: -0.03em;
  animation: temp-in 0.6s ease-out both;
}
@keyframes temp-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.hero__condition {
  padding-bottom: 20px;
  font-size: 19px;
  font-weight: 600;
  color: var(--white);
}

/* Stat cards — pulled up to overlap the sky/white seam */
.hero__meta {
  list-style: none;
  display: flex;
  gap: 16px;
  padding: 0;
  margin: 32px 0 0;
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
}
.meta-stat {
  flex: 1 1 160px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: 0 12px 28px rgba(18,32,46,0.09);
}
.meta-stat__label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-transform: uppercase;
}
.meta-stat__value {
  display: block;
  font-size: 24px;
  font-weight: 800;
  margin-top: 6px;
  color: var(--ink);
}
.meta-stat__sub {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-top: 2px;
  color: var(--muted-2);
}

/* Sunrise / sunset row */
.hero__sun {
  display: flex;
  gap: 16px;
  margin-top: 16px;
  padding-bottom: 44px;
}
.sun-stat {
  flex: 1 1 200px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-radius: 18px;
  padding: 18px 22px;
}
.sun-stat--rise {
  background: var(--sunrise-bg);
  border: 1px solid var(--sunrise-border);
}
.sun-stat--set {
  background: var(--sunset-bg);
  border: 1px solid var(--sunset-border);
}
.sun-stat__icon {
  font-size: 20px;
  line-height: 1;
}
.sun-stat--rise .sun-stat__icon { color: var(--sunrise-icon); }
.sun-stat--set .sun-stat__icon { color: var(--sunset-icon); }
.sun-stat__label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.sun-stat--rise .sun-stat__label { color: var(--sunrise-text); }
.sun-stat--set .sun-stat__label { color: var(--sunset-text); }
.sun-stat__value {
  display: block;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  margin-top: 2px;
}

/* ==========================================================================
   AI Insight — visually distinct from the stat cards on purpose, so it
   reads as a separate, clearly-labeled feature rather than core forecast
   data.
   ========================================================================== */
.ai-insight {
  padding: 0 56px;
  margin-top: 8px;
}
.ai-insight__card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: linear-gradient(135deg, #FFFDF6 0%, var(--bg-soft) 100%);
  border: 1px solid var(--sunrise-border);
  border-radius: 18px;
  padding: 18px 22px;
}
.ai-insight__icon {
  flex-shrink: 0;
  color: var(--yellow);
  margin-top: 2px;
}
.ai-insight__label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sunrise-text);
  margin-bottom: 6px;
}
.ai-insight__text {
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink);
}
.ai-insight__skeleton {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}
.ai-insight__skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: var(--border);
  animation: aiSkeletonPulse 1.2s ease-in-out infinite;
}
.ai-insight__skeleton-line:nth-child(2) { width: 70%; }
@keyframes aiSkeletonPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ==========================================================================
   Weather icons — used in the hourly strip and daily list. Sun-based icons
   use --yellow, everything else uses --icon-muted.
   ========================================================================== */
.weather-icon {
  display: block;
}

/* ==========================================================================
   Hourly forecast
   ========================================================================== */
.hourly-forecast,
.daily-forecast {
  padding: 0 56px;
  margin-top: 44px;
}

.section-heading {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
}

.hourly-scroll {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-snap-type: x proximity;
}
.hourly-scroll::-webkit-scrollbar { height: 6px; }
.hourly-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.hour-card {
  flex: 0 0 92px;
  scroll-snap-align: start;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 10px;
  text-align: center;
}
.hour-card__time {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}
.hour-card__icon {
  margin: 10px auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hour-card__temp {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}
.hour-card__precip {
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}

/* ==========================================================================
   Daily forecast
   ========================================================================== */
.daily-list {
  display: flex;
  flex-direction: column;
}

.day-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--bg-soft);
}
.day-row__name {
  width: 64px;
  font-weight: 700;
  flex-shrink: 0;
}
.day-row__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.day-row__condition {
  flex-grow: 1;
  color: var(--muted);
  font-size: 14px;
  min-width: 90px;
}
.day-row__precip {
  width: 44px;
  text-align: right;
  color: var(--muted-2);
  font-size: 13px;
  flex-shrink: 0;
}
.day-row__lo {
  width: 32px;
  text-align: right;
  color: var(--muted-2);
  font-size: 14px;
  flex-shrink: 0;
}
.day-row__range {
  width: 110px;
  height: 5px;
  background: var(--bg-soft);
  border-radius: 3px;
  position: relative;
  flex-shrink: 0;
}
.day-row__range-fill {
  position: absolute;
  top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--blue-deep), var(--yellow));
  border-radius: 3px;
}
.day-row__hi {
  width: 32px;
  font-weight: 700;
  flex-shrink: 0;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: 40px 56px 32px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted-2);
  font-size: 13px;
}

/* ==========================================================================
   Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  .hero__temp { animation: none; }
  .search-form__submit { transition: none; }
  .ai-insight__skeleton-line { animation: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 860px) {
  :root { --sky-band-height: 720px; }

  .topbar { padding: 24px 20px 0; }
  .topbar__inner { flex-wrap: wrap; }
  .search-form { order: 3; max-width: 100%; flex-basis: 100%; }
  .topbar__actions { gap: 8px; }
  .btn__label { display: none; } /* icons + unit text stay, labels drop on small screens */
  .btn--unit .unit-divider,
  .btn--unit .unit { display: inline; } /* keep °C/°F fully visible, it's short */

  .status-zone { padding: 16px 20px 0; }
  .hero { padding: 28px 20px 0; }
  .hero__sky, .hero__moon { width: 90px; height: 90px; right: 20px; top: 0; }
  .hero__meta { margin-top: 24px; }
  .meta-stat { flex: 1 1 45%; padding: 14px 16px; }
  .hero__sun { flex-direction: column; padding-bottom: 32px; }

  .ai-insight { padding: 0 20px; }
  .hourly-forecast, .daily-forecast { padding: 0 20px; margin-top: 32px; }
  .site-footer { padding: 32px 20px 24px; }

  .day-row__condition { min-width: 70px; font-size: 13px; }
  .day-row__range { width: 70px; }
}

@media (max-width: 480px) {
  .meta-stat { flex: 1 1 100%; }
}

/* ==========================================================================
   Chat widget
   ========================================================================== */
.chat-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 1000;
}

.chat-widget__button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-mid), var(--blue-deep));
  color: var(--white);
  font-size: 24px;
  line-height: 1;
  box-shadow: 0 12px 28px rgba(18, 32, 46, 0.28);
  transition: transform 0.15s ease;
}
.chat-widget__button:hover { transform: scale(1.06); }

.chat-widget__panel {
  position: absolute;
  right: 0;
  bottom: 72px;
  width: 360px;
  height: 480px;
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 20px 44px rgba(18, 32, 46, 0.22);
  overflow: hidden;
  animation: chatPanelIn 0.18s ease-out both;
}
@keyframes chatPanelIn {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-widget__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}
.chat-widget__title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}
.chat-widget__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  transition: background 0.15s ease;
}
.chat-widget__close:hover { background: var(--border); }

.chat-widget__messages {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}
.chat-widget__empty {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
  margin: auto 8px;
}

.chat-widget__message {
  max-width: 84%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
}
.chat-widget__message--user {
  align-self: flex-end;
  background: var(--blue-mid);
  color: var(--white);
  border-bottom-right-radius: 4px;
}
.chat-widget__message--assistant {
  align-self: flex-start;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--ink);
  border-bottom-left-radius: 4px;
}
.chat-widget__message--notice {
  align-self: center;
  max-width: 100%;
  background: transparent;
  color: var(--muted-2);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  padding: 2px 10px;
}
.chat-widget__message--error {
  align-self: flex-start;
  background: var(--alert-bg);
  border: 1px solid var(--alert-border);
  color: var(--alert-text);
  border-bottom-left-radius: 4px;
}

.chat-widget__typing {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 14px;
}
.chat-widget__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted-2);
  animation: chatTypingDot 1.1s ease-in-out infinite;
}
.chat-widget__dot:nth-child(2) { animation-delay: 0.15s; }
.chat-widget__dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes chatTypingDot {
  0%, 60%, 100% { opacity: 0.35; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-2px); }
}

.chat-widget__form {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.chat-widget__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg-soft);
}
.chat-widget__input::placeholder { color: var(--muted); }

.chat-widget__send {
  flex-shrink: 0;
  border: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  background: var(--blue-deep);
}
.chat-widget__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (prefers-reduced-motion: reduce) {
  .chat-widget__button { transition: none; }
  .chat-widget__panel { animation: none; }
  .chat-widget__dot { animation: none; }
}

@media (max-width: 480px) {
  .chat-widget { right: 16px; bottom: 16px; }
  .chat-widget__panel {
    position: fixed;
    left: 16px;
    right: 16px;
    bottom: 84px;
    width: auto;
    height: min(70vh, 480px);
  }
}

/* ==========================================================================
   Landing / Splash
   Full-viewport intro overlay that plays once on first load, then fades
   into the app.
   ========================================================================== */
.splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #0B1E3F; /* base fallback under the animated sky layers */
  transition: opacity 0.6s ease;
}
.splash--hiding {
  opacity: 0;
  pointer-events: none;
}

/* ---- Sky: two stacked gradient layers cross-fading night -> day ---- */
.splash__sky {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.splash__sky-layer {
  position: absolute;
  inset: 0;
}
.splash__sky-layer--night {
  background: linear-gradient(180deg, #0B1E3F 0%, #12305C 60%, #1B4A8C 100%);
}
.splash__sky-layer--day {
  background: linear-gradient(
    165deg,
    var(--blue-deep) 0%,
    var(--blue-mid) 45%,
    var(--blue-light) 78%,
    var(--blue-pale) 100%
  );
  opacity: 0;
  animation: splashDayReveal 3.2s ease-in-out forwards;
}
@keyframes splashDayReveal {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Stars ---- */
.splash__stars {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.splash__star {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: var(--white);
  opacity: 0.75;
  animation: splashStarsFade 3.2s ease-in forwards;
}
.splash__star:nth-child(3n) { width: 3px; height: 3px; }
@keyframes splashStarsFade {
  from { opacity: 0.75; }
  to   { opacity: 0; }
}

/* ---- Horizon + sun ---- */
.splash__horizon {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 22%;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 24px 1px rgba(255, 255, 255, 0.12);
  z-index: 1;
}
.splash__sun {
  position: absolute;
  bottom: 18%;
  left: 50%;
  width: 160px;
  height: 160px;
  margin-left: -80px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--yellow) 0%, rgba(255, 197, 61, 0.55) 55%, rgba(255, 197, 61, 0) 75%);
  box-shadow:
    0 0 60px 30px rgba(255, 197, 61, 0.14),
    0 0 130px 60px rgba(255, 197, 61, 0.07);
  z-index: 2;
  opacity: 0;
  transform: translateY(180px);
  animation: splashSunRise 2.4s cubic-bezier(0.22, 0.9, 0.32, 1) 0.5s forwards;
}
@keyframes splashSunRise {
  from { opacity: 0; transform: translateY(180px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Wordmark + tagline ---- */
.splash__content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 24px;
}
.splash__wordmark {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(48px, 9vw, 108px);
  line-height: 1;
  letter-spacing: -0.01em;
}
.splash__letter {
  display: inline-block;
  color: var(--white);
  opacity: 0;
  transform: translateY(24px);
  animation: splashLetterUp 0.6s ease forwards;
  animation-delay: calc(0.9s + (var(--i) * 0.08s));
}
.splash__letter--accent {
  color: var(--yellow);
}
@keyframes splashLetterUp {
  to { opacity: 1; transform: translateY(0); }
}
.splash__tagline {
  margin-top: 18px;
  font-family: var(--font-sans);
  font-size: clamp(15px, 1.6vw, 18px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  opacity: 0;
  animation: splashFadeIn 0.8s ease forwards;
  animation-delay: 1.6s;
}
@keyframes splashFadeIn {
  to { opacity: 1; }
}

/* ---- Progress bar ---- */
.splash__progress-wrap {
  position: absolute;
  bottom: 64px;
  left: 50%;
  transform: translateX(-50%);
  width: min(280px, 70vw);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: splashFadeIn 0.6s ease forwards;
  animation-delay: 0.3s;
}
.splash__progress {
  width: 100%;
  height: 3px;
  border-radius: 2px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.2);
}
.splash__progress-fill {
  height: 100%;
  width: 0%;
  background: var(--yellow);
  animation: splashProgressFill 4s linear forwards;
}
@keyframes splashProgressFill {
  to { width: 100%; }
}
.splash__progress-label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

/* ---- Reduced motion: skip straight to the finished state ---- */
@media (prefers-reduced-motion: reduce) {
  .splash--reduced .splash__sky-layer--day,
  .splash--reduced .splash__letter,
  .splash--reduced .splash__tagline,
  .splash--reduced .splash__progress-wrap {
    animation: none;
    opacity: 1;
  }
  .splash--reduced .splash__letter {
    transform: none;
  }
  .splash--reduced .splash__star {
    animation: none;
    opacity: 0;
  }
  .splash--reduced .splash__sun {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .splash--reduced .splash__progress-fill {
    animation: none;
    width: 100%;
  }
}