/*
 * FlyingCarSupply v7.6 | Aerospace sourcing editorial system
 * This file is the single, intentionally isolated presentation layer over
 * the shared functional styles in site.css. It applies to all 16 locales.
 * No new site-specific routes, external fonts, or tracking dependencies.
 */
:root {
  --navy: #091b29;
  --navy-2: #0e2b3d;
  --ink: #112b3a;
  --muted: #546b7b;
  --soft: #f3f7f8;
  --line: #d8e4e8;
  --cyan: #39c9dc;
  --blue: #0d7395;
  --max: 1296px;
}

/* Shared reading scale, navigation and consistent page furniture. */
body {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.65;
}
.shell { width: min(var(--max), calc(100% - 100px)); }
.site-header { background: #081a27; }
.nav-wrap { height: 82px; }
.site-header .brand-name { font-size: 21px; letter-spacing: -.035em; }
.site-header .desktop-nav { gap: 24px; }
.site-header .desktop-nav a { font-size: 16px; }
.site-header .desktop-nav a:hover,
.site-header .desktop-nav a:focus-visible { color: #fff; }
.lang-button { min-height: 42px; }
.button, .lang-button { border-radius: 4px; }
.button { min-height: 48px; font-weight: 800; }
.button:focus-visible, .lang-button:focus-visible,
.menu-button:focus-visible, a:focus-visible, summary:focus-visible {
  outline: 3px solid #23d1e7;
  outline-offset: 3px;
}
.eyebrow { letter-spacing: .13em; font-size: 14px; line-height: 1.35; }
.text-link, .arrow-link { font-size: 16px; }

/* Hero: decisive typography, larger aircraft visual, no fake freshness badge. */
.home-hero {
  background: #081a27;
  padding: 68px 0 80px;
}
.hero-layout {
  grid-template-columns: minmax(0, .96fr) minmax(0, 1.04fr);
  align-items: center;
  gap: 50px;
}
.hero-copy { padding: 8px 0; }
.hero-copy h1,
html[lang="zh-CN"] .hero-copy h1,
html[lang="zh-Hant"] .hero-copy h1,
html[lang="ja"] .hero-copy h1,
html[lang="ko"] .hero-copy h1,
html[lang="th"] .hero-copy h1,
html[lang="ar"] .hero-copy h1 {
  font-size: clamp(43px, 4.05vw, 62px);
  line-height: 1.09;
  letter-spacing: -.043em;
  margin: 20px 0 25px;
  max-width: 700px;
}
html[lang="ar"] .hero-copy h1 { letter-spacing: 0; line-height: 1.2; }
.hero-copy .hero-lead {
  color: #c4d3dd;
  font-size: 18px;
  line-height: 1.75;
  max-width: 590px;
}
.hero-actions { margin-top: 30px; }
.hero-proof { margin-top: 36px; padding-top: 22px; }
.hero-proof strong { font-size: 16px; line-height: 1.35; }
.hero-proof span { font-size: 15.5px; line-height: 1.5; }
.hero-media, .hero-media img { min-height: 548px; height: 548px; }
.hero-media { border-radius: 5px; }
.hero-media img { object-fit: cover; object-position: center; }
.media-tag { border-radius: 4px; max-width: 310px; }
.media-tag strong { font-size: 16px; }

/* Editorial headings and spacing; preserve a comfortable text floor. */
.section { padding: 76px 0; }
.section-soft { background: #f1f6f8; }
.section-title-row { align-items: end; gap: 52px; margin-bottom: 29px; }
.section-title-row > div { max-width: 770px; }
.section-title-row h2 {
  font-size: clamp(31px, 3vw, 45px);
  line-height: 1.16;
  letter-spacing: -.035em;
  margin-top: 10px;
  text-wrap: pretty;
}
.section-title-row > p {
  color: #506c7b;
  font-size: 17px;
  line-height: 1.7;
  max-width: 430px;
}

/* Four service lanes, not a 2 x 2 grid of disconnected empty cards. */
.service-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.service-card {
  min-height: 265px;
  border: 0;
  border-top: 2px solid #c7dce4;
  border-radius: 0;
  background: transparent;
  padding: 26px 23px 58px 0;
  box-shadow: none;
}
.service-card + .service-card {
  border-left: 1px solid #dce7eb;
  padding-left: 22px;
}
.service-card:hover { background: transparent; border-top-color: #1387a6; transform: none; box-shadow: none; }
.service-icon { width: 38px; height: 38px; border-radius: 3px; }
.service-icon svg { width: 21px; height: 21px; }
.service-no { right: 20px; top: 26px; font-size: 15px; }
.service-card h3 { font-size: 20px; line-height: 1.3; margin: 21px 0 9px; }
.service-card p { font-size: 16.5px; line-height: 1.65; margin: 0; }
.service-card .arrow-link { left: 0; bottom: 20px; }
.service-card + .service-card .arrow-link { left: 22px; }

/* Three aircraft pathways form one deliberate visual composition. */
.mission-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.mission-card { border-radius: 5px; box-shadow: none; }
.mission-card img { aspect-ratio: 1.6 / 1; object-fit: cover; }
.mission-copy { padding: 22px 22px 25px; }
.mission-copy > span { font-size: 13.5px; letter-spacing: .065em; }
.mission-copy h3, .mission-large .mission-copy h3 {
  font-size: 21px;
  line-height: 1.28;
  margin: 10px 0 8px;
}
.mission-copy p { font-size: 16.5px; line-height: 1.6; }

/* Technical systems should scan like a specification index, not an app dashboard. */
.system-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 24px; }
.system-card {
  min-height: 176px;
  padding: 22px 6px 24px 0;
  border: 0;
  border-top: 1px solid #d6e2e6;
  border-radius: 0;
  background: transparent;
}
.system-card:hover { border-top-color: #1693b2; background: transparent; }
.system-icon { width: 33px; height: 33px; border-radius: 3px; }
.system-icon svg { width: 18px; height: 18px; }
.system-card h3 { font-size: 18px; line-height: 1.35; margin: 14px 0 6px; }
.system-card p { font-size: 16px; line-height: 1.6; }

/* Five buyer paths: complete 3 + 2 composition, no blank sixth corner. */
.intent-strip {
  counter-reset: intent;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0 25px;
  margin-top: 22px;
}
.intent-chip {
  grid-column: span 2;
  min-height: 137px;
  padding: 19px 12px 20px 0;
  border: 0;
  border-top: 1px solid #b9d1da;
  border-radius: 0;
  background: transparent;
}
.intent-chip:nth-child(n+4) { grid-column: span 3; }
.intent-chip::before {
  counter-increment: intent;
  content: "0" counter(intent);
  display: inline-block;
  margin-bottom: 6px;
  color: #187b97;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .07em;
}
.intent-chip strong { font-size: 19px; line-height: 1.3; }
.intent-chip span { font-size: 16.5px; line-height: 1.55; }
.intent-chip:hover { border-top-color: #0b819d; background: transparent; box-shadow: none; }

/* Procurement route: a full-width dark chapter, not another floating card. */
.process-section { background: #0d2939; color: #fff; padding: 78px 0; }
.process-panel {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
  gap: 76px;
  background: transparent;
  padding: 0;
  border: 0;
  border-radius: 0;
}
.process-intro h2 { font-size: clamp(33px, 3.3vw, 49px); line-height: 1.13; }
.process-intro p { color: #b3c7d2; font-size: 17px; line-height: 1.75; }
.process-steps { gap: 0; }
.process-step { padding: 17px 0; border-color: rgba(255,255,255,.14); }
.process-step:first-child { padding-top: 0; }
.process-step > span { width: 42px; height: 42px; border-radius: 4px; }
.process-step h3 { font-size: 18px; line-height: 1.35; }
.process-step p { font-size: 16px; line-height: 1.6; }

/* Articles: editorial imagery rather than a page of equal-height boxes. */
.insight-layout { grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: 16px; }
.insight-feature, .insight-row { border-radius: 5px; }
.insight-feature { grid-template-columns: 49% 51%; }
.insight-feature img { min-height: 345px; }
.insight-feature > div { padding: 27px; }
.insight-feature h3 { font-size: 25px; line-height: 1.2; }
.insight-feature p { font-size: 16px; line-height: 1.65; }
.insight-stack { gap: 16px; }
.insight-row { grid-template-columns: 142px minmax(0, 1fr); }
.insight-row h3 { font-size: 18px; line-height: 1.35; }
.insight-row p { font-size: 15.5px; line-height: 1.55; }

/* Low-altitude chapter: visual lead and balanced 4 x 2 sourcing index. */
.low-altitude-hub { background: #eaf2f5; padding: 78px 0 82px; }
.low-altitude-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: 70px;
  align-items: center;
  margin-bottom: 40px;
}
.low-altitude-intro { min-width: 0; }
.low-altitude-hub h2 { font-size: clamp(34px, 3.15vw, 48px); line-height: 1.13; margin: 13px 0 18px; }
.low-altitude-intro > p { color: #4d6878; font-size: 18px; line-height: 1.75; max-width: 640px; }
.low-altitude-visual { margin: 0; min-width: 0; height: 290px; overflow: hidden; border-radius: 4px; }
.low-altitude-visual img { width: 100%; height: 100%; object-fit: cover; }
.low-altitude-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 24px; }
.low-altitude-grid a {
  min-height: 188px;
  padding: 22px 5px 20px 0;
  border: 0;
  border-top: 1px solid #bfd4dc;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
.low-altitude-grid a:hover { border-top-color: #1487a5; background: transparent; transform: none; box-shadow: none; }
.low-altitude-grid strong { font-size: 18px; line-height: 1.3; }
.low-altitude-grid span { font-size: 15.5px; line-height: 1.6; margin-top: 7px; }

/* Evidence is a proper table; FAQ is a COMPLETE three-column row. */
.evidence-section { background: #fff; }
.table-scroll { border-radius: 5px; }
.buyer-table { font-size: 16.5px; }
.buyer-table th { font-size: 16px; }
.buyer-table td { line-height: 1.65; }
.decision-faq { background: #f0f5f7; }
.decision-faq .faq-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.decision-faq .faq-grid details {
  border: 1px solid #d4e2e7;
  border-radius: 4px;
  padding: 24px 22px 27px;
  background: #fff;
  min-width: 0;
}
.decision-faq .faq-grid summary {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  list-style: none;
  font-size: 18px;
}
.decision-faq .faq-grid summary::-webkit-details-marker { display: none; }
.decision-faq .faq-grid summary::before { content: "+"; font-size: 23px; line-height: 1; color: #087c9d; }
.decision-faq .faq-grid details[open] summary::before { content: "−"; }
.decision-faq .faq-grid summary h3 { font-size: 19px; line-height: 1.4; margin: 0; font-weight: 800; }
.decision-faq .faq-grid p { font-size: 16px; line-height: 1.72; margin-top: 18px; }

/* Regulatory sources: one quiet full-width reference rail. */
.reference-section { padding: 58px 0 65px; background: #fff; }
.reference-section .source-box {
  max-width: none;
  border: 0;
  border-top: 1px solid #dce7eb;
  border-radius: 0;
  padding: 18px 0 0;
  background: transparent;
}
.reference-section .source-box > p { max-width: 950px; font-size: 16.5px; line-height: 1.7; }
.reference-section .citation-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.reference-section .citation-list li { border-top: 2px solid #c9dce3; padding-top: 14px; margin: 0; font-size: 16.5px; }
.reference-section .citation-list a { font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.rtl .reference-section .citation-list { padding: 0; }

.final-cta { background: #dceef2; padding: 50px 0; }
.final-cta h2 { font-size: clamp(30px, 2.8vw, 42px); line-height: 1.2; }
.final-cta p { font-size: 17px; line-height: 1.65; }
.site-footer { padding-top: 56px; }
.footer-grid-clean { gap: 34px; }
.footer-grid > div:not(.footer-intro) > a { font-size: 16px; }
.footer-bottom { padding-top: 22px; }

/* Deep pages inherit readable headings without borrowing home-specific grids. */
.inner-hero { padding: 58px 0 48px; }
.inner-hero h1, .seo-hero h1 { line-height: 1.13; text-wrap: pretty; }
.content-main p, .content-main li { line-height: 1.72; }
.legal-page p { line-height: 1.8; }

/* Responsive grid parity: no orphaned cards, clipping or tiny labels. */
@media (max-width: 1240px) {
  .shell { width: min(var(--max), calc(100% - 72px)); }
  .nav-wrap { gap: 18px; }
  .site-header .desktop-nav { gap: 17px; }
  .hero-layout { gap: 35px; }
  .hero-media, .hero-media img { min-height: 480px; height: 480px; }
  .low-altitude-header { gap: 38px; }
  .low-altitude-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .low-altitude-grid a { min-height: 145px; }
}
@media (max-width: 1040px) {
  .hero-layout { grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); }
  .hero-copy h1,
  html[lang="zh-CN"] .hero-copy h1,
  html[lang="zh-Hant"] .hero-copy h1,
  html[lang="ja"] .hero-copy h1,
  html[lang="ko"] .hero-copy h1,
  html[lang="th"] .hero-copy h1,
  html[lang="ar"] .hero-copy h1 { font-size: clamp(36px, 4.3vw, 48px); }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-card:nth-child(3) { border-left: 0; padding-left: 0; }
  .service-card:nth-child(3) .arrow-link { left: 0; }
  .mission-copy h3, .mission-large .mission-copy h3 { font-size: 19px; }
  .system-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .process-panel { grid-template-columns: 1fr 1fr; gap: 35px; }
  .decision-faq .faq-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .decision-faq .faq-grid details { padding: 18px 16px 22px; }
}
@media (max-width: 900px) {
  .home-hero { padding: 48px 0 60px; }
  .hero-layout { grid-template-columns: 1fr; gap: 32px; }
  .hero-copy h1,
  html[lang="zh-CN"] .hero-copy h1,
  html[lang="zh-Hant"] .hero-copy h1,
  html[lang="ja"] .hero-copy h1,
  html[lang="ko"] .hero-copy h1,
  html[lang="th"] .hero-copy h1,
  html[lang="ar"] .hero-copy h1 { font-size: clamp(40px, 6.8vw, 59px); }
  .hero-media, .hero-media img { min-height: 370px; height: 370px; }
  .section-title-row { align-items: flex-start; flex-direction: column; gap: 16px; }
  .section-title-row > p { max-width: 720px; }
  .mission-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mission-card:first-child { grid-column: span 2; }
  .mission-card:first-child { display: grid; grid-template-columns: 1fr 1fr; }
  .mission-card:first-child img { height: 100%; min-height: 230px; }
  .low-altitude-header { grid-template-columns: 1fr; gap: 25px; }
  .low-altitude-visual { height: 250px; }
  .insight-layout { grid-template-columns: 1fr; }
  .decision-faq .faq-grid { grid-template-columns: 1fr; }
  .decision-faq .faq-grid details { padding: 23px; }
  .reference-section .citation-list { grid-template-columns: 1fr; gap: 12px; }
  .process-panel { grid-template-columns: 1fr; gap: 35px; }
}
@media (max-width: 620px) {
  .shell { width: calc(100% - 38px); }
  .nav-wrap { height: 67px; }
  .site-header .brand-name { font-size: 17px; }
  .home-hero { padding: 36px 0 47px; }
  .hero-copy h1,
  html[lang="en"] .hero-copy h1,
  html[lang="zh-CN"] .hero-copy h1,
  html[lang="zh-Hant"] .hero-copy h1,
  html[lang="ja"] .hero-copy h1,
  html[lang="ko"] .hero-copy h1,
  html[lang="th"] .hero-copy h1,
  html[lang="ar"] .hero-copy h1 { font-size: clamp(33px, 9vw, 41px); line-height: 1.16; }
  .hero-copy .hero-lead { font-size: 17px; line-height: 1.7; }
  .hero-actions { gap: 9px; }
  .hero-actions .button { width: 100%; }
  .hero-proof { margin-top: 29px; }
  .hero-proof strong { font-size: 15.5px; }
  .hero-proof span { font-size: 14.5px; }
  .hero-media, .hero-media img { min-height: 265px; height: 265px; }
  .media-tag { left: 12px; bottom: 12px; padding: 10px 12px; }
  .media-tag strong { font-size: 14px; }
  .section { padding: 55px 0; }
  .section-title-row h2 { font-size: clamp(29px, 8vw, 36px); line-height: 1.2; }
  .section-title-row > p { font-size: 16px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card, .service-card + .service-card,
  .service-card:nth-child(3) { min-height: 0; padding: 19px 0 52px; border-left: 0; }
  .service-card .arrow-link, .service-card + .service-card .arrow-link { left: 0; bottom: 18px; }
  .service-card h3 { margin-top: 13px; }
  .mission-grid { grid-template-columns: 1fr; }
  .mission-card:first-child { grid-column: auto; display: block; }
  .mission-card:first-child img { height: auto; min-height: 0; }
  .mission-copy { padding: 19px; }
  .system-grid { grid-template-columns: 1fr; }
  .system-card { min-height: 0; padding: 17px 0 19px; }
  .intent-strip { grid-template-columns: 1fr; }
  .intent-chip, .intent-chip:nth-child(n+4) { grid-column: span 1; min-height: 0; padding: 16px 0; }
  .process-section { padding: 58px 0; }
  .process-intro h2 { font-size: 34px; }
  .process-intro p { font-size: 16px; }
  .process-step h3 { font-size: 17px; }
  .process-step p { font-size: 15.5px; }
  .insight-feature { grid-template-columns: 1fr; }
  .insight-feature img { min-height: 0; aspect-ratio: 16/10; }
  .insight-feature > div { padding: 20px; }
  .insight-row { grid-template-columns: 110px minmax(0, 1fr); }
  .insight-row > div { padding: 15px; }
  .insight-row h3 { font-size: 16px; }
  .insight-row p { font-size: 15px; }
  .low-altitude-hub { padding: 57px 0; }
  .low-altitude-hub h2 { font-size: 35px; }
  .low-altitude-intro > p { font-size: 17px; }
  .low-altitude-visual { height: 200px; }
  .low-altitude-grid { grid-template-columns: 1fr; }
  .low-altitude-grid a { min-height: 0; padding: 16px 0; }
  .low-altitude-grid span { font-size: 16px; }
  .buyer-table { min-width: 820px; }
  .reference-section { padding: 50px 0; }
  .final-cta { padding: 43px 0; }
  .footer-grid-clean { gap: 23px; }
}
@media (max-width: 360px) {
  .shell { width: calc(100% - 30px); }
  .hero-copy h1,
  html[lang="en"] .hero-copy h1,
  html[lang="de"] .hero-copy h1,
  html[lang="pt"] .hero-copy h1,
  html[lang="it"] .hero-copy h1,
  html[lang="ru"] .hero-copy h1 { font-size: 31px; overflow-wrap: anywhere; }
  .hero-proof { grid-template-columns: 1fr; }
  .hero-proof div { padding: 10px 0; }
  .hero-proof div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.12); padding-left: 0; }
}
/* Arabic alignment: logical layout flow is retained, not forced left-to-right. */
.rtl .service-card + .service-card { border-left: 0; border-right: 1px solid #dce7eb; padding-left: 0; padding-right: 22px; }
.rtl .service-card + .service-card .arrow-link { left: auto; right: 22px; }
.rtl .service-card .arrow-link { left: auto; right: 0; }
.rtl .service-no { right: auto; left: 20px; }
.rtl .intent-chip, .rtl .system-card, .rtl .low-altitude-grid a { padding-right: 0; padding-left: 5px; }
@media (max-width: 1040px) {
  .rtl .service-card:nth-child(3) { border-right: 0; padding-right: 0; }
  .rtl .service-card:nth-child(3) .arrow-link { right: 0; }
}
@media (max-width: 620px) {
  .rtl .service-card + .service-card { border-right: 0; padding-right: 0; }
  .rtl .service-card + .service-card .arrow-link { right: 0; }
}

/* On phones, the three sourcing principles must remain fully readable. */
@media (max-width: 620px) {
  .hero-proof { grid-template-columns: 1fr; gap: 0; }
  .hero-proof div, .hero-proof div + div {
    border-left: 0;
    border-right: 0;
    padding: 11px 0;
  }
  .hero-proof div + div { border-top: 1px solid rgba(255,255,255,.12); }
  .hero-proof strong, .hero-proof span { display: inline; }
  .hero-proof span { margin-left: 9px; }
  .rtl .hero-proof span { margin-left: 0; margin-right: 9px; }
}

/* Site-wide FAQ correction: 368 three-item FAQ groups previously left orphan cards. */
.faq-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.faq-grid details {
  min-width: 0;
  padding: 23px 21px 25px;
  border: 1px solid #d4e2e7;
  border-radius: 4px;
  background: #fff;
}
.faq-grid summary {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  list-style: none;
}
.faq-grid summary::-webkit-details-marker { display: none; }
.faq-grid summary::before { content: "+"; flex: none; color: #087c9d; font-size: 23px; line-height: 1; }
.faq-grid details[open] summary::before { content: "−"; }
.faq-grid summary h3 { margin: 0; font-size: 19px; line-height: 1.42; }
.faq-grid p { font-size: 16px; line-height: 1.72; margin-top: 17px; }

/* Contact should present a clean, directly readable address and a separate copy action. */
.contact-email-card { padding: 6px 0 29px; }
.contact-email-card > .eyebrow { display: block; margin-bottom: 10px; }
.contact-email-card > a {
  display: block;
  width: max-content;
  max-width: 100%;
  margin: 0;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.4;
  font-weight: 850;
  overflow-wrap: anywhere;
  unicode-bidi: isolate;
  direction: ltr;
}
.contact-email-card .email-actions { display: flex; align-items: center; margin-top: 18px; }
.contact-email-card p { margin: 20px 0 0; font-size: 17px; }

@media (max-width: 1000px) {
  .faq-grid, .decision-faq .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .faq-grid details { padding: 19px 18px 22px; }
  .faq-grid summary h3 { font-size: 18px; }
  .contact-email-card > a { font-size: 21px; }
  .contact-email-card p { font-size: 16px; }
}

/* Long direct email addresses must wrap inside 320px phones, not grow the grid. */
.contact-no-form { grid-template-columns: minmax(0, 1fr); }
.contact-email-card { min-width: 0; }
.contact-email-card > a {
  width: 100%;
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}