/* ============================================================
   BASE STYLES & RESET
   ============================================================ */

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

/* ----------------------------------------------------------
   Document
   ---------------------------------------------------------- */
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

/* ----------------------------------------------------------
   Body
   ---------------------------------------------------------- */
body {
  margin: 0;
  font-family: var(--font-stack);
  background-color: var(--bkg-primary);
  color: var(--neutral-1000);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ----------------------------------------------------------
   Block-level spacing reset
   ---------------------------------------------------------- */
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ----------------------------------------------------------
   Media
   ---------------------------------------------------------- */
img,
video,
svg {
  display: block;
  max-width: 100%;
}

/* ----------------------------------------------------------
   Form & interactive element inheritance
   ---------------------------------------------------------- */
input, button, textarea, select {
  font: inherit;
}

/* ----------------------------------------------------------
   Container helper
   ---------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--margin);
}

/* ----------------------------------------------------------
   Reduced-motion hook
   ---------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .hero-glow::before { animation: none; }
}

/* ============================================================
   SITE HEADER
   ============================================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

/* Four blur bands, each covering the full header but masked so
   only their vertical slice is active — simulates 8px→0 taper */
.header-blur-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.blur-band {
  position: absolute;
  inset: 0;
}

.blur-band-1 {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  mask-image: linear-gradient(to bottom, black 0%, transparent 42%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, transparent 42%);
}

.blur-band-2 {
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  mask-image: linear-gradient(to bottom, black 22%, transparent 64%);
  -webkit-mask-image: linear-gradient(to bottom, black 22%, transparent 64%);
}

.blur-band-3 {
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  mask-image: linear-gradient(to bottom, black 42%, transparent 82%);
  -webkit-mask-image: linear-gradient(to bottom, black 42%, transparent 82%);
}

.blur-band-4 {
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  mask-image: linear-gradient(to bottom, black 58%, transparent 96%);
  -webkit-mask-image: linear-gradient(to bottom, black 58%, transparent 96%);
}

/* Solid-to-transparent color layer on top of blur bands */
.header-color-fade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, var(--bkg-primary) 0%, transparent 100%);
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* Background fades in once the user starts scrolling */
.site-header--scrolled .header-blur-layer,
.site-header--scrolled .header-color-fade {
  opacity: 1;
}

.header-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gutter);
  padding-block: 16px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--neutral-1000);
  white-space: nowrap;
}

.header-brand img {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}

.lang-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--neutral-0);
  color: var(--neutral-1000);
  text-decoration: none;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.23px;
  line-height: 1;
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: min(90vh, 800px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--bkg-secondary);
  border-bottom: 1px solid color-mix(in srgb, var(--black) 10%, transparent);
}

/* Glow wrapper — handles sizing and centering only. No animation,
   so it stays on the main thread and recenters correctly on resize. */
.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(110vw, 110vh, 1100px);
  aspect-ratio: 1;
  translate: -50% -50%;
  pointer-events: none;
  z-index: 0;
}

/* Glow visual — fills the wrapper and handles the pulse animation.
   Scaling from its own center (= wrapper center = hero center). */
.hero-glow::before {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--accent-50);
  box-shadow:
    0 0 8px 4px rgba(127, 0, 255, 0.08),
    12px 4px 16px 0 rgba(127, 0, 255, 0.08) inset,
    0 4px 64px 2px rgba(127, 0, 255, 0.12) inset;
  animation: hero-glow-pulse 4s ease-in-out infinite alternate;
}

@keyframes hero-glow-pulse {
  from { scale: 1;    }
  to   { scale: 1.05; }
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 72px var(--margin) 88px;
  max-width: calc(400px + var(--margin) * 2);
  text-align: center;
}

.hero-icon {
  width: 128px;
  height: 128px;
  flex-shrink: 0;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
}

.hero-icon img {
  width: 100%;
  height: 100%;
}

.hero-subtext {
  color: var(--neutral-600);
  max-width: 38ch;
}

.hero-badge {
  display: inline-flex;
}

.hero-badge img {
  height: 48px;
  width: auto;
}

.hero-caption {
  color: var(--neutral-600);
}

/* ============================================================
   MOSQUITOES — orbit-based positioning
   Each .mosq-N declares:
     --angle    position on the orbit (CW from east, 0° = right)
     --r-factor orbit radius as a multiple of the glow radius
     --img-r    final illustration facing direction (from Figma)
   Transform chain: rotate to angle → push out by orbit-r →
   counter-rotate to img-r. No JS, no media-query overrides per
   element — just update --glow-r below and all 20 follow.
   ============================================================ */

.hero-mosquitoes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  --glow-r: min(55vw, 55vh, 550px); /* mirrors .hero::before at half-scale */
}

@media (max-width: 480px) {
  .hero-mosquitoes { --glow-r: min(70vw, 70vh, 700px); } /* matches enlarged glow on small phones */
}

.mosq {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin: -20px 0 0 -20px;
  transform:
    rotate(var(--angle))
    translateX(calc(var(--glow-r) * var(--r-factor)))
    rotate(calc(var(--img-r) - var(--angle)));
}

.mosq img {
  display: block;
  width: 40px;
  height: 40px;
  animation: mosq-drift var(--dur, 12s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

@keyframes mosq-drift {
  0%, 100% { transform: translate(0,    0); }
  25%       { transform: translate(6px, -8px); }
  50%       { transform: translate(-5px, 5px); }
  75%       { transform: translate(7px,  3px); }
}

/* 40 mosquitoes — full ring at 9° intervals, r-factor 1.11–1.77 for depth */
.mosq-1  { --angle:   0deg; --r-factor: 1.20; --img-r: -158.77deg; --dur: 13s; --delay:  0s; }
.mosq-2  { --angle:   9deg; --r-factor: 1.64; --img-r:  -76.53deg; --dur: 14s; --delay: -3s; }
.mosq-3  { --angle:  18deg; --r-factor: 1.35; --img-r:  -30.46deg; --dur: 12s; --delay: -6s; }
.mosq-4  { --angle:  27deg; --r-factor: 1.11; --img-r:  -40.39deg; --dur: 11s; --delay: -1s; }
.mosq-5  { --angle:  36deg; --r-factor: 1.33; --img-r: -102.40deg; --dur: 15s; --delay: -8s; }
.mosq-6  { --angle:  45deg; --r-factor: 1.27; --img-r:  -90.11deg; --dur: 10s; --delay: -4s; }
.mosq-7  { --angle:  54deg; --r-factor: 1.29; --img-r:  -64.96deg; --dur: 16s; --delay: -2s; }
.mosq-8  { --angle:  63deg; --r-factor: 1.36; --img-r:   45.54deg; --dur: 13s; --delay: -7s; }
.mosq-9  { --angle:  72deg; --r-factor: 1.31; --img-r:  125.77deg; --dur: 11s; --delay: -5s; }
.mosq-10 { --angle:  81deg; --r-factor: 1.18; --img-r:   71.32deg; --dur: 14s; --delay: -9s; }
.mosq-11 { --angle:  90deg; --r-factor: 1.63; --img-r:   85.83deg; --dur: 12s; --delay: -1s; }
.mosq-12 { --angle:  99deg; --r-factor: 1.51; --img-r:   63.13deg; --dur: 10s; --delay: -4s; }
.mosq-13 { --angle: 108deg; --r-factor: 1.26; --img-r:  152.87deg; --dur: 13s; --delay: -6s; }
.mosq-14 { --angle: 117deg; --r-factor: 1.28; --img-r:   81.25deg; --dur: 15s; --delay: -3s; }
.mosq-15 { --angle: 126deg; --r-factor: 1.61; --img-r: -134.41deg; --dur: 11s; --delay: -8s; }
.mosq-16 { --angle: 135deg; --r-factor: 1.67; --img-r:  -47.21deg; --dur:  9s; --delay: -2s; }
.mosq-17 { --angle: 144deg; --r-factor: 1.62; --img-r:  123.70deg; --dur: 14s; --delay: -7s; }
.mosq-18 { --angle: 153deg; --r-factor: 1.22; --img-r:   25.77deg; --dur: 12s; --delay: -5s; }
.mosq-19 { --angle: 162deg; --r-factor: 1.69; --img-r: -122.60deg; --dur: 16s; --delay: -9s; }
.mosq-20 { --angle: 171deg; --r-factor: 1.77; --img-r:   53.68deg; --dur: 13s; --delay: -1s; }
.mosq-21 { --angle: 180deg; --r-factor: 1.50; --img-r:   63.13deg; --dur: 10s; --delay: -3s; }
.mosq-22 { --angle: 189deg; --r-factor: 1.24; --img-r:  -30.46deg; --dur: 13s; --delay: -8s; }
.mosq-23 { --angle: 198deg; --r-factor: 1.68; --img-r:   85.83deg; --dur: 11s; --delay: -1s; }
.mosq-24 { --angle: 207deg; --r-factor: 1.42; --img-r: -158.77deg; --dur: 15s; --delay: -6s; }
.mosq-25 { --angle: 216deg; --r-factor: 1.15; --img-r:  152.87deg; --dur: 12s; --delay: -4s; }
.mosq-26 { --angle: 225deg; --r-factor: 1.56; --img-r:  -76.53deg; --dur:  9s; --delay: -7s; }
.mosq-27 { --angle: 234deg; --r-factor: 1.38; --img-r:   45.54deg; --dur: 14s; --delay: -2s; }
.mosq-28 { --angle: 243deg; --r-factor: 1.71; --img-r: -102.40deg; --dur: 16s; --delay: -5s; }
.mosq-29 { --angle: 252deg; --r-factor: 1.30; --img-r:   71.32deg; --dur: 11s; --delay: -9s; }
.mosq-30 { --angle: 261deg; --r-factor: 1.46; --img-r:  -40.39deg; --dur: 13s; --delay: -3s; }
.mosq-31 { --angle: 270deg; --r-factor: 1.44; --img-r:  -64.96deg; --dur: 12s; --delay: -4s; }
.mosq-32 { --angle: 279deg; --r-factor: 1.65; --img-r:  123.70deg; --dur: 15s; --delay: -7s; }
.mosq-33 { --angle: 288deg; --r-factor: 1.32; --img-r:  -76.53deg; --dur: 10s; --delay: -2s; }
.mosq-34 { --angle: 297deg; --r-factor: 1.74; --img-r:   45.54deg; --dur: 13s; --delay: -8s; }
.mosq-35 { --angle: 306deg; --r-factor: 1.19; --img-r:   81.25deg; --dur: 16s; --delay: -1s; }
.mosq-36 { --angle: 315deg; --r-factor: 1.57; --img-r:  -90.11deg; --dur: 11s; --delay: -5s; }
.mosq-37 { --angle: 324deg; --r-factor: 1.41; --img-r:  152.87deg; --dur: 14s; --delay: -3s; }
.mosq-38 { --angle: 333deg; --r-factor: 1.23; --img-r: -134.41deg; --dur:  9s; --delay: -6s; }
.mosq-39 { --angle: 342deg; --r-factor: 1.66; --img-r:   71.32deg; --dur: 12s; --delay: -9s; }
.mosq-40 { --angle: 351deg; --r-factor: 1.35; --img-r:  -47.21deg; --dur: 15s; --delay: -4s; }

/* ── Kill all motion when OS setting is on ── */
@media (prefers-reduced-motion: reduce) {
  .mosq img { animation: none; }
  .header-blur-layer,
  .header-color-fade { transition: none; }
}

/* ============================================================
   PAGE SECTIONS — shared layout
   ============================================================ */

.section {
  padding-block: 88px;
  border-bottom: 1px solid color-mix(in srgb, var(--black) 10%, transparent);
}

.section-heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  margin-bottom: 64px;
}

.section-subhead {
  color: var(--neutral-600);
  max-width: 52ch;
}

/* ============================================================
   FEATURES — 3 cards
   ============================================================ */

.cards-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
}

.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 32px;
  background: var(--bkg-tertiary);
  border-radius: 32px;
  text-align: center;
}

.card-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.card-desc {
  color: var(--neutral-600);
}

/* ============================================================
   PHOTO BAND — full-bleed, no container
   ============================================================ */

.photo-band {
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 800px;
  overflow: hidden;
  border-bottom: 1px solid color-mix(in srgb, var(--black) 10%, transparent);
  background: var(--neutral-50);
}

.photo-band img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================================
   DESIGN — 6 cards (no card surface)
   ============================================================ */

.cards-6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gutter);
  row-gap: 48px;
}

.card--flat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  padding: 24px;
  text-align: center;
}

.card-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  background: var(--bkg-tertiary);
  border-radius: 12px;
  flex-shrink: 0;
}

.card-icon-wrap img {
  width: 40px;
  height: 40px;
  display: block;
}

/* ============================================================
   PRECAUTIONS
   ============================================================ */

.section--precautions {
  border-bottom: none !important;
}

.precautions-inner {
  max-width: 600px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.precautions-body {
  display: flex;
  flex-direction: column;
  gap: 1em;
  color: var(--neutral-600);
}

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: linear-gradient(to bottom, var(--neutral-50), var(--bkg-primary));
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 344px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
}

.footer-tagline {
  color: var(--neutral-600);
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-col-label {
  color: var(--neutral-600);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--neutral-1000);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--neutral-600);
}

.footer-bottom {
  border-top: 1px solid color-mix(in srgb, var(--black) 10%, transparent);
  padding-block: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.footer-copyright,
.footer-credit {
  color: var(--neutral-600);
}

.footer-credit a {
  color: inherit;
  text-decoration: none;
}

.footer-credit a:hover {
  text-decoration: underline;
}

/* ============================================================
   RESPONSIVE — page sections
   ============================================================ */

@media (min-width: 769px) and (max-width: 1024px) {
  .section { padding-block: 72px; }

  .cards-6 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section        { padding-block: 56px; }
  .section-heading { margin-bottom: 40px; }

  .cards-3,
  .cards-6        { grid-template-columns: 1fr; }
  .cards-6        { row-gap: 32px; }

  .footer-grid    { grid-template-columns: 1fr; gap: 40px; }
  .footer-brand-col { max-width: none; }

  .footer-bottom  { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ============================================================
   LEGAL PAGES — shared by terms.html and privacy.html
   ============================================================ */

.legal-page {
  padding-top: 88px; /* offset for fixed header */
}

.legal-preamble {
  padding-top: 40px;
  padding-bottom: 40px;
  max-width: 640px;
  margin-inline: auto;
}

.legal-content {
  padding-bottom: 88px;
}

.legal-body {
  max-width: 640px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.legal-body h2 {
  margin-top: 28px;
}

.legal-body ul {
  padding-left: 1.25em;
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: disc;
}

.legal-body ul li {
  padding-left: 0.25em;
}

.legal-link {
  color: var(--accent-500);
  text-decoration: underline;
  text-underline-offset: 2px;
}

@media (max-width: 768px) {
  .legal-page     { padding-top: 72px; }
  .legal-preamble { padding-top: 32px; padding-bottom: 32px; }
  .legal-content  { padding-bottom: 56px; }
  .photo-band { aspect-ratio: 1 / 1; }
}

@media (max-width: 480px) {
  .hero-glow { width: min(140vw, 140vh, 1400px); }
}

/* ----------------------------------------------------------
   ERROR PAGES — 404 / 500
   ---------------------------------------------------------- */
.error-page {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.error-page-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--margin) 80px;
  text-align: center;
}

.error-page-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  max-width: 480px;
}

.error-code {
  font-size: clamp(6rem, 4rem + 8vw, 10rem);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -4px;
  color: var(--accent-500);
}

.error-description {
  color: var(--neutral-600);
}

.btn-primary {
  display: inline-block;
  margin-top: 8px;
  padding: 12px 24px;
  background: var(--accent-500);
  color: var(--white);
  border-radius: 980px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.btn-primary:hover {
  opacity: 0.85;
}