/* ==========================================================================
   OBSC — Olimpíada Brasileira de Segurança Cibernética
   Global stylesheet
   ========================================================================== */

:root {
  /* Brand palette — Brazil + cyber */
  --navy-900: #050b1a;
  --navy-800: #0a1428;
  --navy-700: #0f1d3a;
  --navy-600: #16264a;

  --green:      #00a86b;   /* jade / Brazilian green */
  --green-600:  #009c3b;
  --green-700:  #067a3e;
  --teal:       #14e0a0;   /* cyber accent highlight */
  --yellow:     #ffdf00;   /* Brazilian yellow */
  --blue:       #2f6bff;

  /* Neutrals */
  --ink:      #10192b;
  --body:     #3a4a63;
  --muted:    #6b7a92;
  --line:     #e4e9f1;
  --line-2:   #eef2f8;
  --surface:  #ffffff;
  --surface-2:#f6f9fc;
  --surface-3:#eef3fa;

  --danger:  #e5484d;
  --warn:    #f5a623;

  /* Type */
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, "Menlo", "Consolas", monospace;

  /* Layout */
  --container: 1180px;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(16,25,43,.06), 0 1px 3px rgba(16,25,43,.05);
  --shadow-md: 0 8px 24px rgba(16,25,43,.08), 0 2px 6px rgba(16,25,43,.05);
  --shadow-lg: 0 24px 60px rgba(5,11,26,.16);
  --ring: 0 0 0 3px rgba(0,168,107,.28);
}

/* ------------------------------- Reset ---------------------------------- */
*,*::before,*::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--body);
  background: var(--surface);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--green); }
h1,h2,h3,h4 { color: var(--ink); font-weight: 800; line-height: 1.18; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
ul { margin: 0; }

/* ------------------------------ Layout ---------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }
.section { padding: 72px 0; }
.section--tight { padding: 48px 0; }
.section--alt { background: var(--surface-2); border-block: 1px solid var(--line-2); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font: 700 .74rem/1 var(--mono);
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--green-700);
  background: rgba(0,168,107,.09);
  border: 1px solid rgba(0,168,107,.22);
  padding: 7px 12px; border-radius: 999px;
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 3px rgba(20,224,160,.25); }
.section__head { max-width: 720px; margin-bottom: 40px; }
.section__head p { color: var(--muted); font-size: 1.06rem; }
.lead { font-size: 1.12rem; color: var(--body); }

/* ------------------------------ Buttons --------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font: 700 .95rem/1 var(--sans);
  padding: 13px 22px; border-radius: 12px; cursor: pointer;
  border: 1px solid transparent; transition: transform .12s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: linear-gradient(135deg, var(--green) 0%, var(--green-700) 100%); color: #fff; box-shadow: 0 8px 20px rgba(0,168,107,.28); }
.btn--primary:hover { color: #fff; box-shadow: 0 12px 28px rgba(0,168,107,.38); }
.btn--ghost { background: rgba(255,255,255,.06); color: #fff; border-color: rgba(255,255,255,.28); }
.btn--ghost:hover { color: #fff; background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.5); }
.btn--light { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn--light:hover { color: var(--ink); border-color: var(--green); box-shadow: var(--shadow-md); }
.btn--sm { padding: 10px 16px; font-size: .86rem; }
.btn--block { width: 100%; }

/* ------------------------------ Header ---------------------------------- */
.topbar {
  background: var(--navy-900);
  color: rgba(255,255,255,.72);
  font: 600 .8rem/1 var(--sans);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 38px; }
.topbar a { color: rgba(255,255,255,.8); }
.topbar a:hover { color: var(--teal); }
.topbar__meta { display: flex; align-items: center; gap: 18px; }
.topbar__meta span { display: inline-flex; align-items: center; gap: 6px; }
.flag-strip { display: inline-flex; height: 12px; width: 20px; border-radius: 3px; overflow: hidden; box-shadow: 0 0 0 1px rgba(255,255,255,.15); }
.flag-strip i { flex: 1; }
.flag-strip i:nth-child(1){ background: var(--green-600); }
.flag-strip i:nth-child(2){ background: var(--yellow); }
.flag-strip i:nth-child(3){ background: var(--blue); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(8,17,34,.82); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid rgba(255,255,255,.08); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand__wordmark { height: 40px; width: auto; display: block; }
.footer-brand .brand__wordmark { height: 52px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__title { font: 800 1.02rem/1 var(--sans); color: var(--ink); letter-spacing: -.01em; }
.brand__sub { font: 600 .68rem/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 3px; }

.nav__menu { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav__menu a { display: inline-block; padding: 9px 14px; border-radius: 9px; font-weight: 600; color: rgba(255,255,255,.82); font-size: .95rem; }
.nav__menu a:hover { background: rgba(255,255,255,.09); color: var(--teal); }
.nav__menu a.is-active { color: #fff; background: rgba(0,168,107,.2); }
.nav__cta { display: flex; align-items: center; gap: 10px; }
.nav__toggle { display: none; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.06); border-radius: 10px; cursor: pointer; align-items: center; justify-content: center; }
.nav__toggle svg { width: 22px; height: 22px; stroke: #fff; }

/* ------------------------------- Hero ----------------------------------- */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(1200px 500px at 80% -10%, rgba(20,224,160,.14), transparent 60%),
              radial-gradient(900px 500px at 0% 110%, rgba(47,107,255,.16), transparent 55%),
              linear-gradient(160deg, var(--navy-900), var(--navy-700));
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(900px 500px at 70% 20%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero__inner { position: relative; padding: 84px 0 90px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 54px; align-items: center; }
.hero h1 { color: #fff; }
.hero h1 .grad { background: linear-gradient(100deg, var(--teal), var(--yellow)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__lead { color: rgba(255,255,255,.82); font-size: 1.14rem; max-width: 40ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; color: rgba(255,255,255,.72); font-size: .9rem; }
.hero__badges b { color: #fff; font-size: 1.5rem; display: block; font-weight: 800; }

/* Event card */
.event-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 20px; padding: 26px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(6px);
}
.event-card__tag { display: inline-flex; align-items: center; gap: 8px; font: 700 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--teal); margin-bottom: 14px; }
.event-card__tag .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 4px rgba(20,224,160,.2); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ box-shadow: 0 0 0 4px rgba(20,224,160,.2);} 50%{ box-shadow: 0 0 0 8px rgba(20,224,160,0);} }
.event-card h3 { color: #fff; font-size: 1.55rem; margin-bottom: 6px; }
.event-card__meta { list-style: none; padding: 0; margin: 16px 0 20px; display: grid; gap: 12px; }
.event-card__meta li { display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.85); font-size: .96rem; }
.event-card__meta svg { width: 20px; height: 20px; stroke: var(--teal); flex: none; }

/* Countdown */
.countdown { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; margin: 4px 0 20px; }
.countdown div { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 12px 6px; text-align: center; }
.countdown b { display: block; font: 800 1.6rem/1 var(--sans); color: #fff; }
.countdown span { font: 600 .64rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-top: 6px; display: block; }

/* --------------------------- Page hero (inner) -------------------------- */
.page-hero { background: linear-gradient(160deg, var(--navy-900), var(--navy-700)); color: #fff; position: relative; overflow: hidden; }
.page-hero::before { content:""; position:absolute; inset:0; background-image: linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px); background-size: 44px 44px; mask-image: radial-gradient(800px 300px at 30% 0%, #000, transparent 70%); }
.page-hero__inner { position: relative; padding: 66px 0 58px; }
.page-hero h1 { color: #fff; }
.page-hero p { color: rgba(255,255,255,.8); max-width: 62ch; font-size: 1.08rem; }
.breadcrumb { display: flex; gap: 8px; align-items: center; font: 600 .8rem/1 var(--mono); color: rgba(255,255,255,.55); margin-bottom: 18px; letter-spacing: .04em; }
.breadcrumb a { color: rgba(255,255,255,.75); }
.breadcrumb a:hover { color: var(--teal); }

/* ------------------------------ Cards ----------------------------------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(0,168,107,.35); }
.card__icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: rgba(0,168,107,.1); margin-bottom: 16px; }
.card__icon svg { width: 24px; height: 24px; stroke: var(--green-700); }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .96rem; margin: 0; }

/* Feature list (about) */
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: start; }
.pillars { display: grid; gap: 16px; }
.pillar { display: flex; gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.pillar__ic { width: 42px; height: 42px; flex: none; border-radius: 11px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(0,168,107,.14), rgba(20,224,160,.14)); }
.pillar__ic svg { width: 22px; height: 22px; stroke: var(--green-700); }
.pillar h4 { margin: 0 0 3px; font-size: 1rem; }
.pillar p { margin: 0; font-size: .9rem; color: var(--muted); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat { text-align: center; padding: 24px 14px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.stat b { display: block; font: 800 2.4rem/1 var(--sans); color: var(--ink); letter-spacing: -.03em; }
.stat b .u { color: var(--green); }
.stat span { font: 600 .78rem/1.3 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: 8px; display: block; }

/* Host banner */
.host {
  display: grid; grid-template-columns: auto 1fr auto; gap: 26px; align-items: center;
  background: linear-gradient(120deg, var(--navy-800), var(--navy-600));
  border-radius: 20px; padding: 30px 34px; color: #fff; box-shadow: var(--shadow-lg);
}
.host__flag { width: 78px; height: 54px; border-radius: 10px; overflow: hidden; display: flex; box-shadow: 0 0 0 1px rgba(255,255,255,.15); }
.host__flag i { flex: 1; }
.host__flag i:nth-child(1){ background: var(--green-600);} .host__flag i:nth-child(2){ background: var(--yellow);} .host__flag i:nth-child(3){ background: var(--blue);}
.host h3 { color: #fff; margin-bottom: 4px; }
.host p { color: rgba(255,255,255,.82); margin: 0; }

/* Resources */
.res-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.res {
  display: flex; flex-direction: column; gap: 12px; padding: 22px;
  border: 1px solid var(--line); border-radius: 14px; background: var(--surface);
  transition: transform .16s ease, box-shadow .2s ease, border-color .2s;
}
.res:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(0,168,107,.4); }
.res__ic { width: 44px; height: 44px; border-radius: 11px; display: grid; place-items: center; background: var(--navy-800); }
.res__ic svg { width: 22px; height: 22px; stroke: var(--teal); }
.res h4 { margin: 0; font-size: 1.02rem; color: var(--ink); }
.res p { margin: 0; font-size: .88rem; color: var(--muted); }
.res__link { margin-top: auto; font: 700 .84rem/1 var(--mono); color: var(--green-700); display: inline-flex; align-items: center; gap: 6px; }
.res:hover .res__link { color: var(--green); }

/* --------------------------- Editions timeline -------------------------- */
.edition {
  display: grid; grid-template-columns: 200px 1fr; gap: 26px; align-items: stretch;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface);
  box-shadow: var(--shadow-sm); transition: box-shadow .2s, border-color .2s;
}
.edition + .edition { margin-top: 22px; }
.edition:hover { box-shadow: var(--shadow-md); border-color: rgba(0,168,107,.3); }
.edition__year { background: linear-gradient(160deg, var(--navy-800), var(--navy-600)); color: #fff; padding: 26px; display: flex; flex-direction: column; justify-content: center; }
.edition__year b { font: 800 2.2rem/1 var(--sans); letter-spacing: -.03em; }
.edition__year span { font: 600 .74rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--teal); margin-top: 6px; }
.edition__body { padding: 24px 26px; }
.edition__body h3 { margin-bottom: 6px; }
.edition__loc { display: flex; flex-wrap: wrap; gap: 16px; color: var(--muted); font-size: .9rem; margin-bottom: 12px; }
.edition__loc span { display: inline-flex; align-items: center; gap: 6px; }
.edition__loc svg { width: 16px; height: 16px; stroke: var(--green-700); }
.edition__body p { color: var(--body); font-size: .96rem; margin: 0; }

.status-pill { display: inline-flex; align-items: center; gap: 7px; font: 700 .72rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 6px 11px; border-radius: 999px; }
.status-pill::before { content:""; width: 7px; height: 7px; border-radius: 50%; }
.status-pill.is-past { background: var(--surface-3); color: var(--muted); }
.status-pill.is-past::before { background: var(--muted); }
.status-pill.is-current { background: rgba(0,168,107,.12); color: var(--green-700); }
.status-pill.is-current::before { background: var(--green); box-shadow: 0 0 0 3px rgba(0,168,107,.25); }
.status-pill.is-upcoming { background: rgba(47,107,255,.1); color: var(--blue); }
.status-pill.is-upcoming::before { background: var(--blue); }

/* ------------------------------- States --------------------------------- */
.states-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.state {
  display: flex; gap: 14px; align-items: flex-start; padding: 18px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--surface); transition: border-color .2s, box-shadow .2s;
}
.state:hover { border-color: rgba(0,168,107,.4); box-shadow: var(--shadow-sm); }
.state__uf { width: 46px; height: 46px; flex: none; border-radius: 10px; display: grid; place-items: center; font: 800 .95rem/1 var(--mono); color: #fff; background: linear-gradient(135deg, var(--green), var(--green-700)); letter-spacing: .03em; }
.state h4 { margin: 0 0 2px; font-size: .98rem; }
.state p { margin: 0; font-size: .84rem; color: var(--muted); }

.empty-state { text-align: center; max-width: 640px; margin: 0 auto; padding: 52px 32px; border: 1.5px dashed var(--line); border-radius: var(--radius); background: var(--surface); }
.empty-state__ic { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 16px; display: grid; place-items: center; background: rgba(0,168,107,.1); }
.empty-state__ic svg { width: 32px; height: 32px; stroke: var(--green-700); }
.empty-state h3 { margin: 0 0 8px; }
.empty-state p { color: var(--muted); margin: 0 auto 22px; max-width: 48ch; }

/* ---------------------------- Organization ------------------------------ */
.committee { margin-top: 44px; }
.committee__head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; padding-bottom: 16px; border-bottom: 2px solid var(--line); }
.committee__badge { font: 800 .82rem/1 var(--mono); color: #fff; background: var(--navy-800); padding: 8px 12px; border-radius: 9px; letter-spacing: .06em; }
.committee__head h3 { margin: 0; }
.people { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.person { display: flex; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.avatar { width: 52px; height: 52px; flex: none; border-radius: 50%; display: grid; place-items: center; font: 800 1rem/1 var(--sans); color: #fff; background: linear-gradient(135deg, var(--navy-600), var(--green-700)); }
.person h4 { margin: 0; font-size: 1rem; }
.person .role { font: 600 .78rem/1 var(--mono); color: var(--green-700); letter-spacing: .04em; text-transform: uppercase; margin: 4px 0 6px; }
.person .org { font-size: .85rem; color: var(--muted); margin: 0; }
.person .contact { font-size: .82rem; color: var(--muted); margin: 6px 0 0; word-break: break-word; }

/* ------------------------------- Forms ---------------------------------- */
.form-wrap { width: 100%; }
.form-card { width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-sm); }
.form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; width: 100%; }
.field { display: flex; flex-direction: column; gap: 7px; width: 100%; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: .88rem; color: var(--ink); }
.field .req { color: var(--danger); }
.field .hint { font-size: .8rem; color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; font: 400 .96rem/1.5 var(--sans); color: var(--ink);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--green); background: #fff; box-shadow: var(--ring); }
.field input::placeholder, .field textarea::placeholder { color: #9aa8bd; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
.form-foot p { margin: 0; font-size: .84rem; color: var(--muted); }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: .88rem; color: var(--body); }
.checkbox input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--green); }

/* Contact split */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 34px; align-items: start; }
.contact-info { display: grid; gap: 14px; }
.info-row { display: flex; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.info-row__ic { width: 44px; height: 44px; flex: none; border-radius: 11px; display: grid; place-items: center; background: rgba(0,168,107,.1); }
.info-row__ic svg { width: 22px; height: 22px; stroke: var(--green-700); }
.info-row h4 { margin: 0 0 3px; font-size: .98rem; }
.info-row p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ------------------------------ CTA band -------------------------------- */
.cta-band { background: linear-gradient(120deg, var(--green-700), var(--green)); color: #fff; border-radius: 22px; padding: 46px; text-align: center; box-shadow: var(--shadow-lg); position: relative; overflow: hidden; }
.cta-band::before { content:""; position:absolute; inset:0; background-image: linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size: 40px 40px; mask-image: radial-gradient(600px 200px at 50% 0%, #000, transparent 70%); }
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,.9); max-width: 56ch; margin-inline: auto; }
.cta-band .btn--light { margin-top: 8px; }

/* ------------------------------ Footer ---------------------------------- */
.site-footer { background: var(--navy-900); color: rgba(255,255,255,.66); padding: 58px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
.footer-brand .brand__title { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: .92rem; max-width: 34ch; color: rgba(255,255,255,.6); }
.footer-col h5 { color: #fff; font: 700 .82rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; margin: 0 0 16px; }
.footer-col ul { list-style: none; padding: 0; display: grid; gap: 10px; }
.footer-col a { color: rgba(255,255,255,.66); font-size: .92rem; }
.footer-col a:hover { color: var(--teal); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.footer-social a:hover { background: rgba(20,224,160,.16); border-color: rgba(20,224,160,.4); }
.footer-social svg { width: 18px; height: 18px; stroke: rgba(255,255,255,.8); fill: none; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08); display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: .84rem; flex-wrap: wrap; }

/* ------------------------------ Modal ----------------------------------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 100; display: none;
  align-items: center; justify-content: center; padding: 22px;
  background: rgba(5,11,26,.6); backdrop-filter: blur(4px);
}
.modal-overlay.is-open { display: flex; animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.modal {
  width: 100%; max-width: 460px; background: #fff; border-radius: 18px; padding: 30px;
  box-shadow: var(--shadow-lg); text-align: center; animation: pop .2s ease;
}
@keyframes pop { from { transform: translateY(10px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }
.modal__icon { width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; }
.modal__icon.is-success { background: rgba(0,168,107,.12); }
.modal__icon.is-success svg { stroke: var(--green); }
.modal__icon.is-info { background: rgba(47,107,255,.12); }
.modal__icon.is-info svg { stroke: var(--blue); }
.modal__icon svg { width: 30px; height: 30px; fill: none; stroke-width: 2.4; }
.modal h3 { margin: 0 0 8px; }
.modal p { color: var(--muted); font-size: .95rem; margin: 0 0 22px; }
.modal .btn { min-width: 130px; }

/* ------------------------------ Utilities ------------------------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
[hidden] { display: none !important; }

/* ------------------------------ Responsive ------------------------------ */
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .grid--4, .res-grid, .stats { grid-template-columns: repeat(2,1fr); }
  .grid--3, .states-grid, .people { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .nav__menu, .nav__cta .btn--outline { display: none; }
  .nav__toggle { display: flex; }
  .site-header.nav-open .nav__menu {
    display: flex; position: absolute; top: 74px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #081122; border-bottom: 1px solid rgba(255,255,255,.1); padding: 14px 22px 20px; box-shadow: var(--shadow-lg);
  }
  .site-header.nav-open .nav__menu a { padding: 12px 14px; }
  .topbar__meta span.hide-sm { display: none; }
  .host { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .edition { grid-template-columns: 1fr; }
  .edition__year { flex-direction: row; align-items: baseline; gap: 12px; padding: 18px 24px; }
  .form-grid { grid-template-columns: 1fr; }
  .grid--3, .grid--4, .res-grid, .stats, .states-grid, .people, .grid--2 { grid-template-columns: 1fr; }
}
@media (max-width: 460px) {
  .countdown { grid-template-columns: repeat(4,1fr); gap: 6px; }
  .countdown b { font-size: 1.2rem; }
  .cta-band, .form-card { padding: 26px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}