:root {
  --bg: #020812;
  --bg-section: #030b17;
  --text: #f6f8fb;
  --muted: #8ba0b3;
  --blue: #0076ff;
  --cyan: #00e0ff;
  --line: #1c3653;
  --max: 1600px;
  --max-container: 1400px;
  --head: 100px;
  --blue-grad: linear-gradient(135deg, #10afff, #087cff);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--head);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

button {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-container);
  margin: auto;
  padding: 0 40px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  align-items: center;
  gap: 60px;
}

.muted {
    color: var(--muted);
}

/* Site Header */
.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  height: var(--head);
  background: rgba(2, 8, 18, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  max-width: var(--max);
  margin: auto;
  padding: 0 30px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.brand img {
  display: block;
  width: 210px;
  max-height: 60px;
  object-fit: contain;
}

.main-nav {
  display: flex;
  gap: 52px;
  font-weight: 700;
  font-size: 15px;
}

.main-nav a {
  padding: 10px 0;
  color: #cddff3;
}

.main-nav a:hover,
.main-nav a[href="#home"].active {
  color: var(--cyan);
}

.languages {
  justify-self: end;
  border: 1px solid #24425d;
  border-radius: 999px;
  padding: 4px;
}

.languages button {
  border: 0;
  background: transparent;
  color: #9cabba;
  padding: 7px 14px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.languages button.active,
.languages button:hover {
  background: rgba(8, 124, 255, 0.25);
  color: #ffffff;
}


/* Mobile navigation */
.mobile-menu-toggle,
.mobile-menu {
  display: none;
}

.mobile-menu-toggle {
  justify-self: end;
  width: 42px;
  height: 42px;
  padding: 9px;
  border: 1px solid #24425d;
  border-radius: 10px;
  background: rgba(5, 16, 29, 0.82);
  cursor: pointer;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 4px 0;
  border-radius: 2px;
  background: #dcecff;
  transition: transform .2s ease, opacity .2s ease;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 14px 24px 18px;
  border-top: 1px solid rgba(71, 116, 153, .28);
  border-bottom: 1px solid rgba(71, 116, 153, .28);
  background: rgba(3, 7, 18, .97);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .35);
}

.mobile-menu.open {
  display: block;
}

.mobile-nav {
  display: grid;
  gap: 2px;
}

.mobile-nav a {
  display: block;
  padding: 12px 4px;
  color: #d8e8f7;
  font-weight: 700;
  border-bottom: 1px solid rgba(71, 116, 153, .18);
}

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

.mobile-languages {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding-top: 14px;
}

.mobile-languages button {
  border: 1px solid #24425d;
  background: transparent;
  color: #9cabba;
  padding: 7px 14px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
}

.mobile-languages button.active,
.mobile-languages button:hover {
  background: rgba(8, 124, 255, .25);
  color: #fff;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--head) + 60px);
  padding-bottom: 160px;
  overflow: hidden;
}

.hero-bg-elements,
.section-bg-elements {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.stars {
  position: absolute;
  inset: 0;
  background: url('assets/stars.png') center/cover;
}

.earth {
  position: absolute;
  z-index: 1;
  width: 1000px;
  height: 1000px;
  right: -250px;
  top: -200px;
  background: url('https://assets.science.nasa.gov/dynamicimage/assets/science/psd/solar/2023/09/3/324350main_11_full-1.jpg?crop=faces%2Cfocalpoint&fit=clip&h=1410&w=1880') center/cover no-repeat;
  filter: drop-shadow(0 0 100px rgba(0, 166, 255, 0.4));
}

.lunar-ground {
  position: absolute;
  z-index: 3;
  left: 0;
  right: 0;
  bottom: 0;
  height: 250px;
  background: linear-gradient(180deg, rgba(2,8,18,0) 0%, rgba(2,8,18,.22) 30%, rgba(2,8,18,.88) 100%), url('https://assets.science.nasa.gov/dynamicimage/assets/science/psd/lunar-science/2023/09/s2-1280.jpg?crop=faces%2Cfocalpoint&fit=clip&h=720&w=1280') center 62%/cover no-repeat;
}

.hero-inner {
  position: relative;
  z-index: 5;
  grid-template-columns: 55% 45%;
}

.eyebrow,
.section-label {
  margin: 0 0 16px;
  font-size: 15px;
  letter-spacing: 0.2em;
  font-weight: 900;
  color: #7d93aa;
}

.hero h1 {
  margin: 18px 0 28px;
  font-size: 78px;
  line-height: 1;
  letter-spacing: -0.06em;
  font-weight: 900;
}

.hero h1 strong {
  color: var(--blue);
}

.hero h2 {
  margin: 0 0 24px;
  font-size: 32px;
  font-weight: 700;
}

.hero-text {
  max-width: 680px;
  color: #c9d5e2;
  font-size: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-top: 30px;
  padding: 16px 36px;
  border-radius: 999px;
  font-weight: 900;
  font-size: 17px;
  transition: all 0.2s ease;
}

.primary-btn {
  background: var(--blue-grad);
  border: 0;
}

.primary-btn .arrow {
  font-size: 20px;
}

.btn:hover {
  transform: translateY(-3px);
  filter: brightness(1.1);
}

.hero-character {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chappi-main {
  width: auto;
  height: min(850px, 85vh);
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 25px 35px rgba(0,0,0,0.4));
}

.signature {
  position: absolute;
  z-index: 6;
  right: -60px;
  top: 50%;
  font-family: 'Segoe Script', cursive;
  font-size: 26px;
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  line-height: 1.2;
}

.signature .paw {
  color: #fff;
  font-size: 1.3em;
  vertical-align: middle;
}

.sub-signature {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 6px;
}

.scroll-down {
  position: absolute;
  z-index: 8;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: #bacddf;
}

.scroll-icon {
  width: 24px;
  height: 40px;
  border: 2px solid #5a7490;
  border-radius: 999px;
  position: relative;
}

.scroll-icon::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: #bacddf;
  border-radius: 999px;
  animation: scroll-dot 1.5s ease-out infinite;
}

@keyframes scroll-dot {
  0% { transform: translate(-50%, 0); opacity: 0.8; }
  100% { transform: translate(-50%, 15px); opacity: 0.1; }
}

/* Feature Strip */
.feature-strip {
  position: relative;
  z-index: 10;
  margin-top: -80px;
  margin-bottom: 80px;
}

.feature-strip-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid #1c3d5e;
    border-radius: 20px;
    overflow: hidden;
    background: rgba(4, 18, 31, 0.96);
    backdrop-filter: blur(10px);
}

.feature-strip article {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 34px 40px;
  border-right: 1px solid #173b57;
}

.feature-strip article:last-child {
  border: 0;
}

.icon-wrap {
  width: 78px;
  height: 78px;
  flex: 0 0 78px;
  border: 1px solid #28547b;
  border-radius: 20px;
  background: #081a2d;
  display: grid;
  place-items: center;
}

.icon-wrap img {
    width: 38px;
    height: 38px;
}

.feature-strip h3 {
  margin: 0 0 7px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.feature-strip p {
  margin: 0;
  color: #afbfd1;
  font-size: 16px;
}

/* Common Section */
.section {
  position: relative;
  min-height: 800px;
  background: var(--bg-section);
  border-top: 1px solid var(--line);
  padding: 140px 0;
  overflow: hidden;
}

.section h2 {
  font-size: 60px;
  line-height: 1.05;
  letter-spacing: -0.05em;
  font-weight: 900;
  margin: 0 0 26px;
}

.section h2 em {
  font-style: normal;
  color: var(--blue);
}

.section-copy > p:not(.section-label) {
  max-width: 780px;
  color: #bacdda;
  font-size: 20px;
  line-height: 1.65;
}

.grid-principles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.grid-principles div {
    text-align: center;
}

.grid-principles div .icon {
    display: block;
    color: var(--cyan);
    font-size: 34px;
    margin-bottom: 12px;
}

.principles span {
  font-weight: 700;
  font-size: 18px;
}

.opacity-low {
    opacity: 0.3;
}

/* About Section */
.about-section {
    background: radial-gradient(circle at -15% 45%, rgba(0, 136, 255, 0.22), transparent 40%), var(--bg-section);
}

.about-chappi-wrap {
    position: absolute;
    left: -80px;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.about-chappi {
    height: min(750px, 85%);
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 30px rgba(0, 140, 255, 0.15));
}

.about-copy {
    padding-left: 50px;
}

/* Missions Section */
.missions-section {
    background: radial-gradient(circle at 110% 45%, rgba(0, 136, 255, 0.2), transparent 40%), var(--bg);
}

.missions-visual-wrap {
    position: absolute;
    right: -120px;
    top: 50%;
    transform: translateY(-50%);
    width: 60%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.missions-device {
    height: min(780px, 85%);
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
}

.missions-copy {
    padding-right: 60px;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 36px 0 40px;
}

.check-list li {
  margin: 16px 0;
  color: #cadbee;
  font-size: 19px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.check-list li::before {
  content: '✓';
  color: var(--cyan);
  font-weight: 900;
  font-size: 1.1em;
}

/* Contact Section */
.contact-section {
  background: var(--bg);
  padding: 160px 0;
}

.contact-section .stars {
    opacity: 0.6;
}

.radio-dish {
  position: absolute;
  right: -100px;
  bottom: -60px;
  width: 650px;
  height: 650px;
  background: linear-gradient(rgba(2,8,18,.18),rgba(2,8,18,.58)), url('https://assets.science.nasa.gov/dynamicimage/assets/science/psd/mars/downloadable_items/3/9/39262_spacecraft-antenna-goldstone-deep-space-complex-pia17792.jpg?crop=faces%2Cfocalpoint&fit=clip&h=3456&w=5184') center/cover no-repeat;
  opacity: 0.4;
}

.contact-copy {
  padding-right: 60px;
}

.secondary-btn {
  background: transparent;
  border: 1px solid #45d7ff;
  font-size: 16px;
}

.secondary-btn:hover {
    background: rgba(0, 224, 255, 0.1);
}

.right-align-sig {
    right: auto;
    left: auto;
    top: auto;
    transform: none;
    position: relative;
    text-align: right;
    display: block;
    margin-top: 100px;
}

/* Footer */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 70px 0 60px;
  color: #7d93aa;
  font-size: 14px;
}

.footer-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    gap: 30px;
}

.footer-brand-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand img {
  width: 190px;
  max-height: 55px;
  object-fit: contain;
}

.footer-extra-links {
  display: flex;
  gap: 14px;
}

.footer-extra-links a:hover {
    color: #ffffff;
}

.footer-middle {
    text-align: center;
}

.footer-nav {
  display: flex;
  gap: 40px;
  font-weight: 700;
  justify-content: center;
}

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

.footer-right {
    text-align: right;
}

/* Media Queries for Responsiveness */

@media (max-width: 1280px) {
    --max-container: 1080px;
    --head: 88px;

    .hero h1 { font-size: 64px; }
    .hero h2 { font-size: 28px; }
    .earth { width: 800px; height: 800px; right: -150px; }
    .section h2 { font-size: 50px; }
    .feature-strip article { padding: 28px 30px; }
    .check-list li { font-size: 17px; }
}

@media (max-width: 1024px) {
    .container { padding: 0 30px; }
    .grid-2 { gap: 40px; }
    .hero-bg-elements { position: relative; height: 60vh; width: 100%; top: 0; left: 0; display: none;}
    .hero { min-height: auto; padding-top: var(--head); padding-bottom: 60px; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-copy { padding-bottom: 0; display: flex; flex-direction: column; align-items: center;}
    .hero-text { max-width: 580px; font-size: 18px; margin-left: auto; margin-right: auto;}
    .hero-character { min-height: 400px; margin-top: 50px; }
    .chappi-main { height: 400px; }
    .signature { top: auto; bottom: 0; right: 0; left: 0; font-size: 20px; transform: rotate(-5deg); padding: 20px;}
    .signature p { color: white !important;}
    .scroll-down { display: none; }

    .feature-strip { margin-top: 20px; }
    .feature-strip-inner { grid-template-columns: 1fr; border-radius: 12px;}
    .feature-strip article { border-right: 0; border-bottom: 1px solid #173b57; }

    .grid-principles { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .about-chappi-wrap { display: none; }
    .about-copy { padding-left: 0; }
    .empty-col { display: none; }

    .reverse-on-mobile { direction: rtl; }
    .reverse-on-mobile .section-copy { direction: ltr; }

    .missions-visual-wrap { display: none; }
    .missions-copy { padding-right: 0; }

    .radio-dish { display: none; }
    .contact-copy { padding-right: 0; text-align: center; align-items: center;}
    .contact-copy .secondary-btn { margin-left: auto; margin-right: auto;}
    .right-align-sig { text-align: center; margin-top: 50px; margin-left: auto; margin-right: auto;}
    .contact-section { padding-bottom: 100px; }
    .footer-inner { grid-template-columns: 1fr; text-align: center;}
    .footer-brand-links, .footer-extra-links, .footer-nav { justify-content: center; align-items: center;}
    .footer-brand img { margin: 0 auto; }
    .footer-extra-links { margin-top: 10px; }
    .footer-right { text-align: center; }

}

@media (max-width: 768px) {
    --head: 70px;
    .brand img { width: 170px; }
    .header-inner {
      grid-template-columns: 1fr auto;
      padding: 0 18px;
    }
    .main-nav, .languages { display: none; }
    .mobile-menu-toggle { display: block; }

    .hero h1 { font-size: 48px; }
    .hero h2 { font-size: 24px; }
    .hero-text { font-size: 16px; }
    .section h2 { font-size: 38px; }
    .section h2 br { display: none; }
    .icon-wrap { width: 60px; height: 60px; flex: 0 0 60px;}
    .icon-wrap img { width: 28px; height: 28px; }
    .feature-strip h3 { font-size: 16px; }
    .feature-strip p { font-size: 14px; }
}

/* V4 integration fixes */
@media (max-width: 1280px) {
  :root { --max-container: 1080px; --head: 88px; }
}
@media (max-width: 768px) {
  :root { --head: 70px; }
}

.hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(2,8,18,.08) 0%,rgba(2,8,18,0) 48%,rgba(2,8,18,.08) 100%);
}

.earth{
  border-radius:50%;
  overflow:hidden;
  box-shadow:0 0 120px rgba(0,166,255,.32);
}

.lunar-ground{
  filter:saturate(.72) brightness(.58) contrast(1.08) hue-rotate(175deg);
  mask-image:linear-gradient(to bottom,transparent 0%,#000 18%,#000 100%);
  -webkit-mask-image:linear-gradient(to bottom,transparent 0%,#000 18%,#000 100%);
}

.hero-character{z-index:6}
.chappi-main,.about-chappi,.missions-device{position:relative;z-index:6}

.about-section{
  min-height:760px;
}
.about-chappi-wrap{
  width:48%;
  left:-30px;
  overflow:hidden;
}
.about-chappi{
  height:min(790px,94%);
  transform:translateY(45px);
}
.about-section .section-copy{
  position:relative;
  z-index:5;
}

.missions-section{
  min-height:760px;
}
.missions-visual-wrap{
  width:54%;
  right:-30px;
}
.missions-device{
  height:min(690px,82%);
}
.missions-screen{
  position:absolute;
  z-index:7;
  right:8%;
  top:50%;
  transform:translateY(-50%) rotate(4deg);
  width:min(460px,33vw);
  padding:28px 30px;
  border:1px solid #1d577f;
  border-radius:20px;
  background:rgba(2,16,29,.9);
  box-shadow:0 28px 70px rgba(0,0,0,.48);
  backdrop-filter:blur(10px);
}
.missions-screen h3{
  margin:0 0 18px;
  font-size:18px;
  color:#d9e9f8;
}
.missions-screen div{
  display:flex;
  align-items:center;
  gap:14px;
  padding:15px 0;
  border-top:1px solid #163c59;
  color:#b9cbe0;
}
.missions-screen div:first-of-type{border-top:0}
.missions-screen b{color:var(--cyan);font-size:20px}

.contact-section{
  min-height:700px;
  overflow:hidden;
}
.radio-dish{
  width:760px;
  height:620px;
  right:-90px;
  bottom:-30px;
  opacity:.46;
  border-radius:55% 0 0 0;
  filter:saturate(.55) brightness(.5) contrast(1.08) hue-rotate(175deg);
  mask-image:linear-gradient(90deg,transparent 0%,#000 28%,#000 100%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 28%,#000 100%);
}

.signature{
  font-family:"Segoe Script","Brush Script MT",cursive;
}

@media (max-width:1024px){
  .earth{display:none}
  .hero-bg-elements{display:block;height:auto;position:absolute}
  .stars{display:block}
  .lunar-ground{display:block;height:180px}
  .missions-screen{display:none}
}


/* =========================================================
   V5 STRUCTURAL LAYOUT FIX
   Central container + Grid/Flex flow for all foreground media
   ========================================================= */

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

/* HERO: text and Chappi are now in normal grid flow.
   Only decorative background layers stay absolute. */
.hero{
  min-height:780px;
  padding-top:calc(var(--head) + 40px);
  padding-bottom:180px;
}

.hero-wrapper{
  position:relative;
  z-index:5;
  min-height:620px;
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);
  gap:56px;
  align-items:center;
}

.hero-copy{
  min-width:0;
}

.hero-character{
  position:relative;
  min-width:0;
  height:auto;
  display:flex;
  align-items:flex-end;
  justify-content:center;
}

.chappi-main{
  display:block;
  width:min(100%,500px);
  height:auto;
  max-height:610px;
  object-fit:contain;
}

.signature{
  right:0;
  top:auto;
  bottom:80px;
  max-width:230px;
  font-size:24px;
}

.earth{
  width:min(760px,52vw);
  height:min(760px,52vw);
  right:-110px;
  top:-105px;
}

.lunar-ground{
  height:210px;
}

/* Keep the feature strip centered at every zoom */
.feature-strip{
  margin-top:-70px;
  margin-bottom:0;
}

.feature-strip .container{
  max-width:1280px;
}

/* COMMON CONTENT SECTIONS */
.section{
  min-height:680px;
  padding:100px 0;
}

.section-grid{
  display:grid;
  align-items:center;
  gap:72px;
}

.section-grid--about{
  grid-template-columns:minmax(360px,.9fr) minmax(0,1.1fr);
}

.section-grid--missions{
  grid-template-columns:minmax(0,1fr) minmax(420px,1fr);
}

.section-media{
  position:relative;
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:center;
}

.about-media{
  align-self:stretch;
  overflow:hidden;
  justify-content:flex-start;
}

.about-chappi{
  position:relative;
  display:block;
  width:min(100%,560px);
  height:auto;
  max-height:660px;
  object-fit:contain;
  object-position:center bottom;
  transform:none;
}

.about-copy,
.missions-copy{
  padding:0;
}

/* Missions: Chappi + panel are bound to the same grid cell.
   No viewport-level absolute positioning. */
.missions-media{
  min-height:540px;
  justify-content:flex-start;
}

.missions-device{
  position:relative;
  z-index:2;
  display:block;
  width:min(100%,420px);
  height:auto;
  max-height:570px;
  object-fit:contain;
}

.missions-screen{
  position:absolute;
  z-index:3;
  width:min(410px,80%);
  right:0;
  top:50%;
  transform:translateY(-42%) rotate(3deg);
  padding:24px 26px;
}

/* Contact remains a normal centered two-column section.
   Dish is decorative background only. */
.contact-section .container{
  position:relative;
  z-index:4;
}

.contact-copy{
  padding-right:0;
}

/* --------- RESPONSIVE --------- */
@media (max-width:1280px){
  .container{max-width:1120px;padding-left:28px;padding-right:28px}
  .hero-wrapper{grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);gap:36px}
  .hero h1{font-size:64px}
  .earth{width:650px;height:650px;right:-180px}
  .signature{right:-5px;bottom:70px;font-size:21px}
}

@media (max-width:1024px){
  .container{max-width:920px}
  .hero-wrapper{
    grid-template-columns:1fr;
    gap:28px;
    text-align:center;
  }
  .hero-copy{
    display:flex;
    flex-direction:column;
    align-items:center;
  }
  .hero-character{min-height:460px}
  .chappi-main{max-height:470px;width:auto;max-width:100%}
  .signature{
    position:absolute;
    left:50%;
    right:auto;
    bottom:16px;
    transform:translateX(-50%);
    max-width:none;
    width:100%;
  }
  .earth{
    display:block;
    width:680px;height:680px;
    right:50%;top:450px;
    transform:translateX(64%);
    opacity:.6;
  }
  .lunar-ground{height:170px}

  .section-grid--about,
  .section-grid--missions{
    grid-template-columns:1fr;
    gap:42px;
  }
  .about-media{
    max-height:440px;
    justify-content:center;
  }
  .about-chappi{max-height:520px;width:auto;max-width:100%}
  .missions-media{min-height:520px}
  .missions-device{max-height:500px}
  .missions-screen{width:min(400px,72%)}
}

@media (max-width:768px){
  .container{padding-left:20px;padding-right:20px}
  .hero{min-height:auto;padding-top:calc(var(--head) + 36px);padding-bottom:150px}
  .hero h1{font-size:48px}
  .hero h2{font-size:24px}
  .hero-text{font-size:16px}
  .hero-character{min-height:390px}
  .chappi-main{max-height:400px}
  .earth{width:560px;height:560px;top:430px;opacity:.48}
  .feature-strip{margin-top:-40px}
  .section{min-height:auto;padding:76px 0}
  .section h2{font-size:38px}
  .section-grid{gap:30px}
  .about-media{max-height:360px}
  .about-chappi{max-height:430px}
  .missions-media{min-height:430px}
  .missions-device{max-height:420px}
  .missions-screen{
    width:min(330px,74%);
    padding:18px 20px;
    right:0;
  }
}


/* =========================================================
   V5.1 — composition corrections
   1) Hero signature no longer sits on top of Chappi
   2) Missions panel no longer covers Chappi
   3) Contact signature gets its missing supporting line
   ========================================================= */

/* HOME */
.hero-character{
  padding-right:150px;
}

.hero-character .signature{
  right:0;
  bottom:105px;
  top:auto;
  width:220px;
  max-width:220px;
  text-align:left;
  line-height:1.18;
  transform:rotate(-4deg);
  pointer-events:none;
}

.hero-character .sub-signature{
  margin-top:8px;
  font-size:17px;
  line-height:1.25;
}

/* MISSIONS */
.missions-media{
  display:grid;
  grid-template-columns:minmax(250px, .9fr) minmax(300px, 1.1fr);
  gap:24px;
  align-items:center;
  justify-content:stretch;
}

.missions-device{
  justify-self:end;
  width:min(100%,360px);
  max-height:520px;
}

.missions-screen{
  position:relative;
  right:auto;
  top:auto;
  transform:rotate(3deg);
  width:100%;
  max-width:400px;
  justify-self:start;
}

/* CONTACT */
.right-align-sig{
  position:relative;
  margin-top:0;
  text-align:right;
  font-size:28px;
  color:#fff;
}

.contact-sub{
  margin-top:12px;
  color:rgba(255,255,255,.62);
  font-size:18px;
  line-height:1.45;
}

/* Mid-size screens */
@media (max-width:1280px){
  .hero-character{padding-right:110px}
  .hero-character .signature{
    width:185px;
    max-width:185px;
    font-size:20px;
    bottom:90px;
  }
  .hero-character .sub-signature{font-size:15px}
  .missions-media{
    grid-template-columns:minmax(220px,.9fr) minmax(260px,1.1fr);
    gap:18px;
  }
  .missions-device{max-height:470px}
  .missions-screen{max-width:350px}
}

/* Tablet / mobile: stack cleanly instead of overlapping */
@media (max-width:1024px){
  .hero-character{
    padding-right:0;
    padding-bottom:74px;
  }
  .hero-character .signature{
    left:50%;
    right:auto;
    bottom:10px;
    width:auto;
    max-width:none;
    text-align:center;
    transform:translateX(-50%) rotate(-3deg);
    white-space:nowrap;
  }

  .missions-media{
    grid-template-columns:1fr;
    gap:18px;
  }
  .missions-device{
    justify-self:center;
    max-height:430px;
  }
  .missions-screen{
    justify-self:center;
    max-width:430px;
    transform:none;
  }

  .right-align-sig{
    text-align:center;
    margin-top:30px;
  }
}

@media (max-width:768px){
  .hero-character .signature{
    white-space:normal;
    width:260px;
  }
  .missions-device{max-height:380px}
  .missions-screen{max-width:100%}
  .contact-sub{font-size:16px}
}


/* =========================================================
   V5.2 — Mascot structure correction
   HOME: image + caption same wrapper
   MISSIONS: 3 explicit columns (text | Chappi | panel)
   CONTACT: real Chappi + caption, no orphan signature
   ========================================================= */

.mascot-wrapper{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-width:0;
}

.mascot-img{
  display:block;
  max-width:100%;
  height:auto;
  object-fit:contain;
}

.mascot-caption{
  margin-top:10px;
  text-align:center;
  line-height:1.2;
  color:#fff;
  pointer-events:none;
}

.mascot-caption .name{
  display:block;
  font-family:"Segoe Script","Brush Script MT",cursive;
  font-size:26px;
}

.mascot-caption .subtext{
  display:block;
  margin-top:6px;
  color:rgba(255,255,255,.72);
  font-family:"Segoe Script","Brush Script MT",cursive;
  font-size:18px;
  line-height:1.3;
}

/* HOME */
.hero-character{
  padding-right:0 !important;
}

.hero-mascot{
  width:100%;
  max-width:520px;
  margin:0 auto;
}

.hero-mascot .chappi-main{
  width:auto;
  max-width:100%;
  max-height:590px;
}

.hero-mascot .mascot-caption{
  margin-top:-8px;
  transform:rotate(-3deg);
}

/* neutralize legacy absolute signature behavior */
.hero-character .signature,
.signature{
  position:static;
  inset:auto;
  transform:none;
  width:auto;
  max-width:none;
  text-align:inherit;
}

/* MISSIONS */
.missions-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(260px,.72fr) minmax(320px,.88fr);
  gap:34px;
  align-items:center;
}

.missions-copy{
  min-width:0;
}

.missions-mascot{
  justify-self:center;
  width:100%;
  max-width:330px;
}

.missions-device{
  width:auto;
  max-width:100%;
  max-height:520px;
  justify-self:center;
}

.missions-screen{
  position:relative !important;
  inset:auto !important;
  transform:rotate(2.5deg) !important;
  width:100% !important;
  max-width:390px !important;
  justify-self:start;
  z-index:1;
}

/* CONTACT */
.contact-layout{
  position:relative;
  z-index:4;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(320px,.8fr);
  gap:70px;
  align-items:center;
}

.contact-copy{
  min-width:0;
}

.contact-mascot{
  justify-self:end;
  width:100%;
  max-width:420px;
}

.contact-chappi{
  width:auto;
  max-width:100%;
  max-height:500px;
}

.contact-mascot .mascot-caption{
  margin-top:8px;
  transform:rotate(-3deg);
}

.contact-sub{
  font-size:17px !important;
  color:rgba(255,255,255,.66) !important;
}

/* Keep dish decorative and behind actual content */
.radio-dish{
  z-index:0;
}

/* RESPONSIVE */
@media (max-width:1180px){
  .missions-layout{
    grid-template-columns:minmax(0,1fr) minmax(220px,.65fr) minmax(280px,.85fr);
    gap:24px;
  }
  .missions-device{max-height:470px}
  .missions-screen{max-width:340px !important}

  .contact-layout{
    grid-template-columns:minmax(0,1fr) minmax(280px,.72fr);
    gap:44px;
  }
  .contact-chappi{max-height:460px}
}

@media (max-width:980px){
  .missions-layout{
    grid-template-columns:1fr;
    text-align:left;
  }
  .missions-mascot{
    max-width:320px;
  }
  .missions-screen{
    justify-self:center;
    transform:none !important;
    max-width:440px !important;
  }

  .contact-layout{
    grid-template-columns:1fr;
    text-align:center;
  }
  .contact-copy{
    display:flex;
    flex-direction:column;
    align-items:center;
  }
  .contact-mascot{
    justify-self:center;
    max-width:360px;
  }
}

@media (max-width:768px){
  .hero-mascot{max-width:360px}
  .hero-mascot .chappi-main{max-height:420px}
  .mascot-caption .name{font-size:23px}
  .mascot-caption .subtext{font-size:16px}

  .missions-mascot{max-width:280px}
  .missions-device{max-height:400px}
  .missions-screen{max-width:100% !important}

  .contact-mascot{max-width:300px}
  .contact-chappi{max-height:390px}
}
/* HaKou NerdOS - Mobile Header Fix */

@media (max-width: 768px) {

  .site-header {
    height: 70px;
    overflow: visible;
  }

  .header-inner {
    height: 70px;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: 0 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    width: 165px;
    max-width: 100%;
    height: auto;
  }

  .main-nav,
  .languages {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;

    width: 42px;
    height: 42px;
    padding: 0;

    border: 1px solid rgba(92,160,215,.45);
    border-radius: 10px;
    background: rgba(4,15,28,.96) !important;

    appearance: none;
    -webkit-appearance: none;

    position: relative;
    z-index: 202;
  }

  .mobile-menu-toggle span {
    display: block !important;
    width: 22px;
    height: 2px;
    margin: 0;

    background: #e5f4ff !important;
    border-radius: 999px;

    opacity: 1;
    visibility: visible;
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .mobile-menu {
    display: none !important;

    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    width: 100%;

    padding: 12px 18px 18px;

    background: rgba(2,8,18,.985);
    border-top: 1px solid rgba(80,140,190,.22);
    border-bottom: 1px solid rgba(80,140,190,.28);

    z-index: 200;
  }

  .mobile-menu.open {
    display: block !important;
  }

  .mobile-nav {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .mobile-nav a {
    display: block !important;
    width: 100%;

    padding: 13px 4px;

    color: #dcecff;
    font-size: 15px;
    font-weight: 700;
    text-align: left;

    border-bottom: 1px solid rgba(80,140,190,.16);
  }

  .mobile-languages {
    display: flex !important;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;

    gap: 8px;
    padding-top: 14px;
  }

  .mobile-languages button {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-width: 52px;
    height: 34px;
    padding: 0 12px;

    border: 1px solid rgba(92,160,215,.4);
    border-radius: 999px;

    background: transparent !important;
    color: #aebfd0;
  }

  .mobile-languages button.active {
    background: rgba(0,142,255,.18) !important;
    color: #fff;
  }
}