/* =========================================================================
   OFA — Open Flight Architecture · Landing Page
   Static recreation of "OFA Landing Page v3" design reference.
   Design tokens and pixel values taken verbatim from the handoff.
   ========================================================================= */

/* -------------------------------------------------------------------------
   FONT — Archivo, self-hosted.
   Served from our own server on purpose: loading it from the Google Fonts CDN
   would transmit every visitor's IP address to Google (USA) without consent.
   Variable font — one file per subset covers weights 400/500/600/700.
   ------------------------------------------------------------------------- */
/* Archivo — latin-ext (variable font, weight axis 100–900) */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(fonts/archivo-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Archivo — latin (variable font, weight axis 100–900) */
@font-face {
  font-family: 'Archivo';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(fonts/archivo-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root{
  --bg:            #080E15;
  --footer-bg:     #060B11;
  --events-cell:   #0B141E;
  --text:          #EDF2F7;
  --muted:         #9FB2C4;
  --dim:           #5E7285;
  --dim-2:         #3A4A5C;
  --accent:        #56ADEA;
  --accent-deep:   #1769A8;
  --accent-hover:  #7FC2F1;
  --error:         #F19C8B;
  --card-surface:  rgba(255,255,255,.04);
  --card-border:   rgba(255,255,255,.14);
  --focus-tint:    rgba(86,173,234,.12);
  --hover-border:  rgba(86,173,234,.55);
  --hover-bg:      rgba(86,173,234,.06);

  --maxw: 1440px;
  --pad-x: 56px;
}

/* ---------- Reset ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Archivo',system-ui,-apple-system,sans-serif;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
button{font-family:inherit}

.accent{color:var(--accent)}

/* Shared kicker (uppercase accent label above headings) */
.kicker{
  font-size:12px;font-weight:700;letter-spacing:.26em;
  color:var(--accent);text-transform:uppercase;
}

/* =========================================================================
   NAV
   ========================================================================= */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(8,14,21,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px var(--pad-x);max-width:var(--maxw);margin:0 auto;
}
.nav__logo{display:flex;align-items:center;cursor:pointer}
.nav__logo img{height:56px;width:auto}

.nav__tabs{display:flex;align-items:center;gap:8px}
.nav__tab{
  font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:9px 14px;cursor:pointer;
  color:var(--muted);background:none;border:none;
  border-bottom:2px solid transparent;
  transition:color .2s;
}
.nav__tab:hover{color:#fff}
.nav__tab.is-active{color:#fff;border-bottom-color:var(--accent)}

.btn-join-nav{
  margin-left:14px;
  background:var(--accent);color:var(--bg);
  font-size:13px;font-weight:700;letter-spacing:.08em;
  padding:0 20px;height:44px;
  display:inline-flex;align-items:center;
  border:none;cursor:pointer;transition:background .2s;
}
.btn-join-nav:hover{background:var(--accent-hover)}

/* =========================================================================
   LAYOUT PRIMITIVES
   ========================================================================= */
.main{flex:auto}

.view{display:none}
.view.is-active{display:block}

/* Full-width band with centered inner (Home mission / proof / join) */
.band__inner{
  padding:88px var(--pad-x);max-width:var(--maxw);margin:0 auto;width:100%;
}
.band--tall{min-height:640px;display:flex;align-items:center}
.band--divider{border-top:1px solid var(--card-border)}

/* Tab pages (Initiative / Focus / Events / FAQ) share a padded max-width column */
.page{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x)}
.page__block{padding:72px 0}
.page__block--divider{border-bottom:1px solid var(--card-border)}
.page__block--head{padding:80px 0 56px}
.page__block--head-sm{padding:80px 0 48px}
.page__block--last{padding:72px 0 96px}

/* First block on Initiative starts at 80px top / 64px bottom */
.view[data-view="initiative"] .page__block:first-child{padding:80px 0 64px}

/* =========================================================================
   SHARED BUTTONS / LINKS
   ========================================================================= */
.btn{
  display:inline-flex;align-items:center;height:52px;
  font-size:15px;cursor:pointer;border:none;
  transition:background .2s,border-color .2s,color .2s;
}
.btn--solid{background:var(--accent);color:var(--bg);font-weight:700;padding:0 22px}
.btn--solid:hover{background:var(--accent-hover)}
.btn--outline{
  border:1px solid rgba(255,255,255,.3);color:var(--text);
  font-weight:600;padding:0 22px;background:none;
}
.btn--outline:hover{border-color:var(--accent);color:var(--accent)}
/* Wide asymmetric right padding matching the reference hero buttons */
.btn--wide-join{padding:0 96px 0 22px}
.btn--wide-learn{padding:0 72px 0 22px}

.link-arrow{
  display:inline-block;margin-top:36px;
  color:var(--accent);font-size:15px;font-weight:600;
  border:none;background:none;cursor:pointer;padding:0 0 2px;
  border-bottom:2px solid transparent;transition:border-color .2s;
}
.link-arrow:hover{border-bottom-color:var(--accent)}
.link-arrow--sm{margin-top:24px;font-size:14px}

.inline-link{
  color:var(--accent);background:none;border:none;cursor:pointer;
  font:inherit;padding:0;
}
.inline-link--strong{font-weight:600}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 560px at 75% -12%, rgba(86,173,234,.20), transparent 62%),
    radial-gradient(800px 460px at 8% 115%, rgba(23,105,168,.14), transparent 60%);
}
.hero__particles{position:absolute;inset:0;overflow:hidden;pointer-events:none}
.hero__particles span{
  position:absolute;border-radius:50%;background:var(--accent);
  animation-name:ofaFloat;animation-timing-function:ease-in-out;animation-iteration-count:infinite;
}
.hero__wing{
  position:absolute;right:48px;top:96px;width:430px;opacity:.15;pointer-events:none;
}
.hero__inner{
  position:relative;padding:120px var(--pad-x) 96px;max-width:var(--maxw);margin:0 auto;
  animation:ofaFadeUp .8s ease-out both;
}
.hero__title{
  margin:30px 0 0;font-size:80px;line-height:1.02;font-weight:700;
  letter-spacing:-.022em;max-width:980px;color:#fff;
}
.kicker + .hero__title{margin-top:0}
.hero .kicker{margin-bottom:30px}
.hero__lead{
  margin:34px 0 0;font-size:20px;line-height:1.55;max-width:700px;
  color:var(--muted);text-wrap:pretty;
}
.hero__actions{display:flex;gap:16px;margin-top:46px;flex-wrap:wrap}
.hero__cards{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;
  margin-top:88px;max-width:1000px;
}

.glass-card{
  border:1px solid var(--card-border);background:var(--card-surface);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  padding:28px 26px 30px;transition:border-color .25s,background .25s;
}
.glass-card:hover{border-color:var(--hover-border);background:var(--hover-bg)}
.glass-card__label{
  font-size:12px;font-weight:700;letter-spacing:.18em;color:var(--accent);margin-bottom:12px;
}
.glass-card__text{font-size:15px;line-height:1.5;color:var(--muted)}

/* =========================================================================
   MISSION (Home)
   ========================================================================= */
.mission__statement{
  margin:0;font-size:34px;line-height:1.4;font-weight:500;letter-spacing:-.01em;
  max-width:960px;color:var(--text);text-wrap:pretty;
}
.band .kicker{margin-bottom:26px}
.mission__note{
  margin:34px 0 0;font-size:16px;line-height:1.6;max-width:760px;color:var(--muted);
}
.mission__note strong{color:var(--text)}

/* =========================================================================
   PROOF STRIP (Home)
   ========================================================================= */
.proof{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.proof .kicker{margin-bottom:22px}
.proof__lead{margin:0 0 24px;font-size:16px;line-height:1.6;color:var(--muted);max-width:440px}
.proof__cards{display:flex;gap:16px}

.demo-card{
  flex:1;border:1px solid rgba(255,255,255,.16);background:var(--card-surface);
  padding:22px 22px 26px;
}
.demo-card__logo{height:44px;display:flex;align-items:center}
.demo-card__logo img{width:auto}
.demo-card__text{font-size:13px;color:var(--muted);margin-top:16px;line-height:1.5}
.demo-card__name{color:var(--text);font-weight:600}

.event-list{display:flex;flex-direction:column}
.event-list__row{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:15px 0;border-top:1px solid var(--card-border);
}
.event-list__name{font-size:15px;font-weight:600;color:#fff}
.event-list__region{font-size:13px;color:var(--dim);flex:none}

/* =========================================================================
   JOIN FORM (Home)
   ========================================================================= */
.join{
  background:radial-gradient(760px 420px at 50% 125%, rgba(86,173,234,.13), transparent 65%);
}
.join .band__inner{padding:88px var(--pad-x) 96px}
.join__box{max-width:640px;margin:0 auto}
.join__title{margin:0;font-size:42px;font-weight:700;letter-spacing:-.01em;color:#fff}
.join__lead{margin:18px 0 0;font-size:17px;line-height:1.55;color:var(--muted)}
.join__panel{
  margin-top:40px;background:rgba(255,255,255,.05);border:1px solid var(--card-border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:40px;
}

.join__form{display:flex;flex-direction:column;gap:18px}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field__label{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--muted)}
.field__input{
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;
  padding:0 14px;height:52px;font-size:15px;font-family:inherit;outline:none;width:100%;
  transition:border-color .2s;
}
.field__input::placeholder{color:var(--dim)}
.field__input:focus{border-color:var(--accent)}

/* Honeypot — must be invisible to people but still "fillable" for bots.
   Deliberately not display:none, which many bots detect and skip. */
.hp{
  position:absolute !important;left:-9999px !important;top:auto;
  width:1px;height:1px;overflow:hidden;
}

.checks{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.check{
  display:flex;align-items:center;gap:12px;cursor:pointer;
  background:none;border:none;padding:0;text-align:left;
}
.check__box{
  width:20px;height:20px;border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.06);color:var(--bg);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;flex:none;
}
.check.is-checked .check__box{background:var(--accent)}
.check__text{font-size:15px;color:var(--text)}

/* reCAPTCHA v2 — Google renders the widget inside an iframe with fixed
   dimensions (304x78) and its own styling; data-theme="dark" is set in the
   markup so it sits in the dark form without a bright box. The widget itself
   cannot be restyled, so we only control its placement. */
.captcha-wrap{margin-top:4px;min-height:78px}
.captcha-wrap .g-recaptcha{display:inline-block;max-width:100%}
/* Keep the widget from overflowing the form on narrow screens. */
@media (max-width:400px){
  .captcha-wrap{transform:scale(.87);transform-origin:0 0;min-height:68px}
}

.join__error{font-size:13px;color:var(--error);font-weight:600}

.join__submit{
  margin-top:8px;font-size:16px;font-weight:700;text-align:left;
  justify-content:space-between;width:100%;
}
.join__submit span:first-child{white-space:nowrap;flex:none}
.join__fineprint{font-size:13px;color:var(--dim)}

/* Confirmation */
.join__check{
  width:44px;height:44px;background:var(--accent);color:var(--bg);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:22px;
}
.join__thanks-title{margin:0;font-size:26px;font-weight:700;color:#fff}
.join__thanks-text{margin:14px 0 0;font-size:16px;line-height:1.55;color:var(--muted)}

/* =========================================================================
   PAGE HEADS (shared by tab pages)
   ========================================================================= */
.page__title{
  margin:0;font-size:56px;line-height:1.05;font-weight:700;letter-spacing:-.02em;color:#fff;
  max-width:900px;
}
.kicker + .page__title{margin-top:0}
.page__block .kicker{margin-bottom:24px}
.page__lead{
  margin:32px 0 0;font-size:24px;line-height:1.5;font-weight:500;max-width:840px;
  color:var(--text);text-wrap:pretty;
}
.page__para{margin:26px 0 0;font-size:17px;line-height:1.65;max-width:760px;color:var(--muted)}
.page__para strong{color:#fff}
.page__intro{margin:26px 0 0;font-size:17px;line-height:1.6;color:var(--muted);max-width:620px}

/* =========================================================================
   INITIATIVE
   ========================================================================= */
.mission-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:32px 40px;max-width:1100px;
}
.view[data-view="initiative"] .page__block .kicker{margin-bottom:36px}
.mission-grid__item{
  border-top:1px solid rgba(255,255,255,.3);padding-top:16px;
  font-size:16px;line-height:1.5;color:var(--text);
}
.callout{
  margin-top:52px;border:1px solid rgba(86,173,234,.4);background:rgba(86,173,234,.07);
  padding:28px 32px;max-width:820px;
}
.callout p{margin:0;font-size:16px;line-height:1.6;color:var(--muted)}
.callout strong{color:#fff}

.evolution{
  display:grid;grid-template-columns:repeat(5,1fr);gap:2px;
  background:var(--card-border);border:1px solid var(--card-border);
}
.evolution__cell{background:var(--events-cell);padding:26px 22px 30px;min-height:120px}
.evolution__cell.is-focus{background:var(--focus-tint)}
.evolution__num{font-size:13px;font-weight:700;color:var(--accent)}
.evolution__label{
  margin-top:14px;font-size:16px;font-weight:700;letter-spacing:.06em;line-height:1.3;color:var(--text);
}
.evolution__cell.is-focus .evolution__label{color:var(--accent)}
.evolution__note{margin:36px 0 0;font-size:17px;line-height:1.6;color:var(--muted);max-width:640px}

.section-title{margin:0 0 12px;font-size:40px;font-weight:700;letter-spacing:-.015em;color:#fff}
.section-sub{margin:0 0 44px;font-size:16px;line-height:1.6;color:var(--muted);max-width:640px}

.ref-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}
.ref-card{border:1px solid rgba(255,255,255,.18);background:var(--card-surface);padding:32px 30px 36px}
.ref-card--future{border:1px dashed rgba(255,255,255,.3);background:none}
.ref-card__tag{font-size:11px;font-weight:700;letter-spacing:.2em;color:var(--accent);margin-bottom:22px}
.ref-card__tag--dim{color:var(--dim);margin-bottom:18px}
.ref-card__logo{height:56px;display:flex;align-items:center}
.ref-card__name{font-size:14px;font-weight:600;margin-top:20px;color:var(--text)}
.ref-card__text{margin:8px 0 0;font-size:14px;line-height:1.6;color:var(--muted)}
.ref-card__future-title{font-size:28px;font-weight:700;color:var(--dim)}
.ref-card--future .ref-card__text{margin-top:14px}

.chips{display:flex;flex-wrap:wrap;gap:10px;max-width:900px}
.chip{
  border:1px solid rgba(255,255,255,.25);font-size:13px;font-weight:600;letter-spacing:.04em;
  padding:9px 16px;color:var(--muted);
}
.view[data-view="initiative"] .page__block--last .kicker{margin-bottom:26px}
.page__block--last .btn--wide-join{margin-top:44px;padding:0 88px 0 22px}

/* =========================================================================
   FOCUS AREAS
   ========================================================================= */
.focus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:96px}
.focus-card{
  border:1px solid var(--card-border);background:var(--card-surface);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  padding:30px 26px 34px;min-height:210px;
  transition:border-color .25s,background .25s,transform .25s;
}
.focus-card:hover{border-color:var(--hover-border);background:var(--hover-bg);transform:translateY(-3px)}
.focus-card__num{font-size:24px;font-weight:700;color:var(--accent);margin-bottom:16px}
.focus-card__title{font-size:17px;font-weight:700;margin-bottom:12px;color:#fff}
.focus-card__items{font-size:13.5px;line-height:1.7;color:var(--muted)}

/* =========================================================================
   EVENTS & NEWS
   ========================================================================= */
.events-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:2px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);
}
.events-grid__cell{background:var(--events-cell);padding:24px 20px 28px;min-height:110px}
.events-grid__name{font-size:16px;font-weight:700;line-height:1.3;color:#fff}
.events-grid__region{font-size:13px;color:var(--dim);margin-top:8px}

.news-title{margin:0 0 40px;font-size:34px;font-weight:700;letter-spacing:-.01em;color:#fff}
.news-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px}
.news-card{border-top:2px solid var(--accent);padding-top:20px}
.news-card__tag{font-size:11px;font-weight:700;letter-spacing:.16em;color:var(--dim)}
.news-card__title{font-size:18px;font-weight:700;margin-top:12px;line-height:1.35;color:#fff}
.news-card__body{font-size:14px;line-height:1.6;color:var(--muted);margin-top:10px}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq{max-width:800px;padding-bottom:96px}
.faq__item{border-top:1px solid rgba(255,255,255,.18)}
.faq__head{
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  padding:24px 0;cursor:pointer;width:100%;background:none;border:none;text-align:left;
  transition:color .2s;
}
.faq__q{font-size:19px;font-weight:700;color:#fff;transition:color .2s}
.faq__head:hover .faq__q{color:var(--accent)}
.faq__mark{font-size:24px;font-weight:400;color:var(--accent);flex:none}
.faq__body{display:none}
.faq__item.is-open .faq__body{display:block}
.faq__body p{margin:0;padding:0 0 28px;font-size:16px;line-height:1.65;color:var(--muted);max-width:640px}
.faq__end{border-top:1px solid rgba(255,255,255,.18)}
.faq__more{margin:44px 0 0;font-size:15px;color:var(--muted)}

/* =========================================================================
   LEGAL PAGES (imprint / privacy)
   ========================================================================= */
.legal{max-width:760px;padding-bottom:96px}
.legal__note{
  border:1px solid rgba(86,173,234,.4);background:rgba(86,173,234,.07);
  padding:22px 26px;margin-bottom:52px;
}
.legal__note p{margin:0;font-size:15px;line-height:1.6;color:var(--muted)}
.legal__note strong{color:#fff}

.legal__group{margin-bottom:44px}
.legal__label{
  font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;margin-bottom:14px;
  border-top:1px solid var(--card-border);padding-top:16px;
}
.legal__body{font-size:16px;line-height:1.75;color:var(--text)}
.legal__body a{color:var(--accent)}
.legal__body .dim{color:var(--muted)}

/* Longer legal documents (privacy policy): running prose under each label. */
.legal__body p{margin:0 0 14px;color:var(--muted)}
.legal__body p:last-child{margin-bottom:0}
.legal__body strong{color:var(--text);font-weight:600}
.legal__body ul{margin:0 0 14px;padding-left:20px;color:var(--muted)}
.legal__body li{margin-bottom:7px}
.legal__body li::marker{color:var(--accent)}
.legal__intro{
  font-size:17px;line-height:1.7;color:var(--muted);max-width:720px;margin:0 0 52px;
}
.legal__updated{
  margin-top:52px;padding-top:20px;border-top:1px solid var(--card-border);
  font-size:13px;color:var(--dim);
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer{border-top:1px solid rgba(255,255,255,.12);background:var(--footer-bg)}
.footer__inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:26px var(--pad-x);max-width:var(--maxw);margin:0 auto;
  font-size:13px;color:var(--dim);
}
.footer__left{display:flex;align-items:center;gap:12px}
.footer__left img{height:18px;opacity:.8}
.footer__links{display:flex;gap:24px}
.footer__links a{color:var(--dim)}
.footer__links a:hover{color:var(--accent)}
.footer__future{color:var(--dim-2)}

/* =========================================================================
   ANIMATIONS
   ========================================================================= */
@keyframes ofaFloat{
  0%,100%{transform:translateY(0);opacity:.35}
  50%{transform:translateY(-22px);opacity:.9}
}
@keyframes ofaFadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .hero__inner{animation:none}
  .hero__particles span{animation:none}
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width:1080px){
  .hero__title{font-size:64px}
  .focus-grid{grid-template-columns:repeat(2,1fr)}
  .ref-grid,.news-grid,.hero__cards{grid-template-columns:1fr 1fr}
}

@media (max-width:820px){
  :root{--pad-x:28px}
  .nav__inner{flex-wrap:wrap;gap:12px}
  .nav__tabs{gap:4px;flex-wrap:wrap}
  .nav__tab{padding:8px 10px;font-size:12px}
  .hero__inner{padding:80px var(--pad-x) 64px}
  .hero__title{font-size:44px}
  .hero__lead{font-size:18px}
  .hero__wing{width:260px;top:60px;right:-20px}
  .hero__cards{grid-template-columns:1fr;margin-top:56px}
  .band--tall{min-height:0}
  .band__inner{padding:64px var(--pad-x)}
  .mission__statement{font-size:26px}
  .proof{grid-template-columns:1fr;gap:56px}
  .proof__cards{flex-direction:column}
  .page__block{padding:56px 0}
  .page__block--head,.page__block--head-sm,.view[data-view="initiative"] .page__block:first-child{padding:64px 0 40px}
  .page__title{font-size:38px}
  .page__lead{font-size:20px}
  .mission-grid{grid-template-columns:1fr 1fr}
  .evolution{grid-template-columns:1fr 1fr}
  .ref-grid,.focus-grid,.news-grid,.field-grid{grid-template-columns:1fr}
  .events-grid{grid-template-columns:1fr 1fr}
  .join__panel{padding:26px}
  .btn--wide-join,.btn--wide-learn,.page__block--last .btn--wide-join{padding:0 22px}
  .footer__inner{flex-direction:column;gap:16px;align-items:flex-start}
}

@media (max-width:480px){
  .hero__title{font-size:36px}
  .mission-grid,.evolution,.events-grid{grid-template-columns:1fr}
  .hero__actions{flex-direction:column}
  .btn{width:100%;justify-content:center}
  .join__submit{justify-content:space-between}
}