/* ==========================================================
   Лабораторија за математику — ФОН
   Палета је преузета из логоа; основна боја је тегет.
   ========================================================== */
:root {
  --navy-900: #020c1c;
  --navy-850: #04142b;
  --navy-800: #061c3a;
  --navy: #004a7f;          /* тегет из логоа */
  --pink: #d158a0;
  --lavender: #9e96cb;
  --green: #62c4ae;
  --yellow: #fccd6a;

  --text: #eef2fb;
  --text-dim: rgba(222, 230, 247, 0.74);
  --text-faint: rgba(222, 230, 247, 0.48);
  --line: rgba(158, 150, 203, 0.2);

  --ff-head: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ff: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --gutter: clamp(16px, 4vw, 56px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--navy-850);
  color: var(--text);
  font-family: var(--ff);
  font-size: 18px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--navy); color: #fff; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }

#gl { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; display: block; }
main, .footer, .nav { position: relative; z-index: 2; }

/* ---------- МЕНИ ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  border-bottom: 1px solid transparent;
  transition: padding .4s var(--ease), background .4s, border-color .4s;
}
.nav.scrolled {
  padding-top: 12px; padding-bottom: 12px;
  background: rgba(4, 20, 43, .94);
  border-color: var(--line);
}
.nav-logo { transition: opacity .5s var(--ease); }
.nav-logo img { height: 44px; width: auto; }
.nav.at-hero .nav-logo { opacity: 0; pointer-events: none; }

.nav-links { display: flex; gap: clamp(20px, 3vw, 44px); }
.nav-links a {
  position: relative; padding: 6px 0;
  font-size: 16px; font-weight: 500; letter-spacing: .01em;
  color: var(--text-dim);
  transition: color .25s;
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: left;
  transition: transform .35s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.burger { display: none; }
@media (max-width: 860px) {
  .nav-links { display: none; }
  .burger {
    display: grid; place-content: center; gap: 7px;
    width: 46px; height: 46px; border-radius: 50%;
    border: 1px solid var(--line); background: rgba(4, 20, 43, .7);
    cursor: pointer; z-index: 70; position: relative;
  }
  .burger span { display: block; width: 20px; height: 1.5px; background: #fff; transition: transform .35s var(--ease); }
  .burger[aria-expanded="true"] span:first-child { transform: translateY(4.25px) rotate(45deg); }
  .burger[aria-expanded="true"] span:last-child { transform: translateY(-4.25px) rotate(-45deg); }
  .nav-logo img { height: 36px; }
}
.mobile-menu {
  position: fixed; inset: 0; z-index: 45;
  background: var(--navy-900);
  display: flex; flex-direction: column; justify-content: center;
  padding: 0 var(--gutter);
  opacity: 0; visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu a {
  font-family: var(--ff-head); font-weight: 300; font-size: clamp(28px, 8vw, 40px); line-height: 1.2;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}

/* ---------- ПОЧЕТНИ ЕКРАН ---------- */
.hero {
  position: relative; height: 100vh; height: 100svh; min-height: 560px;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 0 var(--gutter) clamp(28px, 5vh, 56px);
  pointer-events: none;
}
.hero a { pointer-events: auto; }

/* слова логоа над луковима од честица (геометрија у JS) */
.logo-type {
  position: fixed; left: 0; top: 0; z-index: 3; pointer-events: none;
  width: 1000px; height: 439px; overflow: visible;
  transform-origin: 0 0;
  font-family: var(--ff); fill: #fff;
  will-change: transform, opacity;
  visibility: hidden;
}
.logo-type.ready { visibility: visible; }
.lt-name { font-size: 64px; font-weight: 400; }
.lt-b { fill: var(--lavender); }

.hero-bottom {
  position: relative; z-index: 4;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.hero-meta { font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim); }
.hero-meta .sep { display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--lavender); margin: 0 14px; vertical-align: middle; }
.hero-down {
  flex: none; width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.3);
  transition: border-color .25s, background .25s;
}
.hero-down:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.hero-down svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
@media (max-width: 600px) {
  .hero-meta { font-size: 13px; }
  .hero-meta .sep { display: block; width: 0; height: 2px; margin: 0; }
}

/* ---------- СЕКЦИЈЕ ---------- */
.section { position: relative; padding: clamp(88px, 11vw, 150px) 0; background: rgba(4, 20, 43, .58); }
.section + .section { border-top: 1px solid var(--line); }
#praksa { background: rgba(3, 15, 33, .68); }
#istrazivanje { background: rgba(4, 20, 43, .45); }

.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.section-label {
  font-size: 14px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--lavender); margin-bottom: 18px;
}
.section-head h2 {
  font-family: var(--ff-head); font-weight: 300;
  font-size: clamp(40px, 5.6vw, 68px); line-height: 1.08; letter-spacing: -.015em;
}
/* кратка линија у бојама логоа */
.section-head h2::after {
  content: ""; display: block; width: 96px; height: 3px; margin-top: 28px;
  background: linear-gradient(90deg, var(--pink) 0 25%, var(--lavender) 25% 50%, var(--green) 50% 75%, var(--yellow) 75%);
}

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px); align-items: start; }
@media (max-width: 860px) { .cols { grid-template-columns: 1fr; } }
.prose p + p { margin-top: 18px; }
.prose p { color: var(--text-dim); }
.section p, .section li, .section h2, .section h3, .section h4 { text-shadow: 0 0 12px rgba(4, 20, 43, .85); }
.prose .lead { font-family: var(--ff-head); font-weight: 300; font-size: clamp(21px, 2vw, 25px); line-height: 1.5; color: var(--text); }

.logo-card { margin-bottom: 28px; }
.logo-card img { width: 100%; max-width: 440px; height: auto; }
.facts > div { display: grid; grid-template-columns: 150px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.facts > div:last-child { border-bottom: 1px solid var(--line); }
.facts dt { font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-faint); padding-top: 3px; }
.facts dd { color: var(--text); }
.mail { color: var(--lavender); font-size: .9em; border-bottom: 1px solid rgba(158,150,203,.35); transition: color .2s, border-color .2s; }
.mail:hover { color: #fff; border-color: #fff; }
@media (max-width: 480px) { .facts > div { grid-template-columns: 1fr; gap: 2px; } }

.subsection { margin-top: clamp(64px, 8vw, 104px); }
.sub-title {
  font-family: var(--ff-head); font-size: clamp(24px, 2.4vw, 30px); font-weight: 400;
  margin-bottom: 28px;
}

/* делатност */
.activities { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
@media (max-width: 1100px) { .activities { grid-template-columns: 1fr 1fr; } }
.activities li { border-top: 2px solid var(--c); padding-top: 22px; }
.activities h4 { font-family: var(--ff-head); font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.activities p { color: var(--text-dim); font-size: 17px; }
@media (max-width: 760px) { .activities { grid-template-columns: 1fr; } }

/* састав */
.team { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 80px); }
.team h4 { font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); font-weight: 600; margin-bottom: 8px; }
.team li { padding: 13px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.team .role { font-size: 14px; color: var(--yellow); }
@media (max-width: 760px) { .team { grid-template-columns: 1fr; } }

/* састав: клика */
.clique { position: relative; height: 760px; margin-top: 8px; }
.clique-edges { position: absolute; inset: 0; width: 100%; height: 100%; }
.clique-center {
  position: absolute; left: 50%; top: 50%; width: 190px; height: 190px; margin: -95px 0 0 -95px;
  border-radius: 50%; display: grid; place-items: center; text-align: center;
  pointer-events: none;
}
.cc-default { font-size: 17px; line-height: 1.3; letter-spacing: .02em; color: var(--text); }

.clique-nodes { position: absolute; inset: 0; }
.node {
  position: absolute; left: 0; top: 0; width: 0; height: 0;
  will-change: transform; cursor: pointer;
}
.avatar {
  position: absolute; left: -34px; top: -34px; width: 68px; height: 68px; border-radius: 50%;
  overflow: hidden; display: grid; place-items: center;
  background: var(--navy-800);
  border: 2px solid var(--c, var(--lavender));
  box-shadow: 0 0 0 5px rgba(4, 20, 43, .9);
  opacity: 0; transform: scale(.4);
  transition: opacity .6s var(--ease), transform .6s var(--ease), box-shadow .3s;
}
.node[data-ring="1"] .avatar { left: -28px; top: -28px; width: 56px; height: 56px; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.initials { font-size: 17px; font-weight: 600; letter-spacing: .02em; color: var(--text); background: linear-gradient(140deg, var(--navy), var(--navy-800)); }
.node[data-ring="1"] .avatar.initials { font-size: 15px; }
.node-name {
  position: absolute; left: -100px; width: 200px; top: 42px; text-align: center;
  font-size: 15px; line-height: 1.3; color: var(--text-dim);
  text-shadow: 0 0 6px rgba(4,20,43,1), 0 0 14px rgba(4,20,43,.9);
  opacity: 0; transition: opacity .6s var(--ease), color .25s;
  pointer-events: none;
}
.node[data-ring="1"] .node-name { top: 36px; }
.lbl-left .node-name { left: auto; right: 42px; top: -18px; text-align: right; }
.lbl-right .node-name { left: 42px; top: -18px; text-align: left; }
.lbl-top .node-name { top: auto; bottom: 42px; }
.node[data-ring="1"].lbl-left .node-name { right: 36px; }
.node[data-ring="1"].lbl-right .node-name { left: 36px; }
.node[data-ring="1"].lbl-top .node-name { bottom: 36px; }
.n-title { display: block; font-size: 12px; letter-spacing: .06em; color: var(--text-faint); }
.clique.in .avatar { opacity: 1; transform: none; transition-delay: calc(var(--i) * 70ms + 200ms); }
.clique.in .node-name { opacity: 1; transition-delay: calc(var(--i) * 70ms + 400ms); }
.clique.in .node.active .avatar { transform: scale(1.15); transition-delay: 0s; box-shadow: 0 0 0 4px rgba(4,20,43,.9), 0 0 0 6px var(--c, var(--lavender)), 0 0 34px 6px var(--c, var(--lavender)); }
.node.active .node-name { color: #fff; transition-delay: 0s; }
.clique.has-active .node:not(.active) .avatar { filter: saturate(.6) brightness(.8); }

.clique-legend { display: flex; justify-content: center; align-items: center; gap: 10px; font-size: 14px; color: var(--text-faint); margin-top: 12px; }
.lg { width: 12px; height: 12px; border-radius: 50%; border: 2px solid; display: inline-block; }
.lg-0 { border-color: var(--pink); }
.lg-1 { border-color: var(--green); margin-left: 14px; }

.team-list { display: none; }
@media (max-width: 760px) {
  .clique { height: auto; aspect-ratio: 1 / 1.05; }
  .clique-center { width: 130px; height: 130px; margin: -65px 0 0 -65px; }
  .cc-default { font-size: 14px; }
  .avatar { left: -22px; top: -22px; width: 44px; height: 44px; box-shadow: 0 0 0 3px rgba(4,20,43,.9); }
  .node[data-ring="1"] .avatar { left: -19px; top: -19px; width: 38px; height: 38px; }
  .avatar.initials, .node[data-ring="1"] .avatar.initials { font-size: 12px; }
  .node-name { display: none; }
  .team-list { display: grid; margin-top: 40px; }
}

/* теме праксе */
.topics { border-top: 1px solid var(--line); }
.topics li {
  display: grid; grid-template-columns: 56px 1fr auto; gap: 24px; align-items: start;
  padding: 26px 0; border-bottom: 1px solid var(--line);
  transition: background .25s;
}
.topics li:hover { background: rgba(158, 150, 203, .05); }
.t-n { font-family: var(--ff-head); font-weight: 300; font-size: 24px; color: var(--lavender); line-height: 1.3; padding-left: 4px; }
.t-body h4 { font-family: var(--ff-head); font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.t-body p { color: var(--text-dim); font-size: 17px; max-width: 720px; }
.t-tags { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; padding-top: 4px; }
.tag { font-size: 13px; letter-spacing: .04em; padding: 3px 12px; border-radius: 999px; border: 1px solid; white-space: nowrap; }
.tag.it { color: var(--green); border-color: rgba(98, 196, 174, .45); }
.tag.mg { color: var(--yellow); border-color: rgba(252, 205, 106, .45); }
@media (max-width: 760px) {
  .topics li { grid-template-columns: 36px 1fr; }
  .t-tags { grid-column: 2; justify-content: flex-start; }
}

.note {
  margin-top: clamp(48px, 6vw, 72px);
  padding: 28px 32px; border: 1px solid var(--line); border-left: 3px solid var(--navy);
  background: rgba(0, 74, 127, .14);
}
.note h3 { font-family: var(--ff-head); font-size: 22px; font-weight: 500; margin-bottom: 8px; }
.note p { color: var(--text-dim); }

/* области и ментори: бипартитни граф */
.bip { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); gap: clamp(24px, 3vw, 48px); align-items: start; }
.bip-graph {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) clamp(70px, 8vw, 130px) 200px;
}
.bip-edges { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.bip-areas { grid-column: 1; position: relative; }
.bip-mentors { grid-column: 3; position: relative; display: flex; flex-direction: column; justify-content: space-around; }
.bip button {
  font: inherit; color: inherit; background: none; border: 0; padding: 0; margin: 0;
  cursor: pointer; text-align: left; width: 100%;
}
.bip button:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }
.bip .b-area {
  display: flex; gap: 12px; align-items: baseline; justify-content: flex-end; text-align: right !important;
  padding: 6px 2px; font-size: 16px; line-height: 1.3; color: var(--text-dim);
  transition: color .2s, opacity .2s;
}
.b-n { font-size: 13px; color: var(--text-faint); font-variant-numeric: tabular-nums; order: 2; min-width: 18px; text-align: left; }
.b-area:hover, .b-area.on { color: #fff; }
.b-area.on .b-n { color: var(--yellow); }
.b-mentor { display: flex; align-items: center; gap: 12px; padding: 4px 0; transition: opacity .2s; }
.b-av {
  flex: none; width: 46px; height: 46px; border-radius: 50%; overflow: hidden;
  border: 2px solid var(--pink); background: var(--navy-800);
  transition: box-shadow .25s, transform .25s var(--ease);
}
.b-av img { width: 100%; height: 100%; object-fit: cover; }
.b-av.b-initials { display: grid; place-items: center; font-size: 14px; font-weight: 600; color: var(--text); background: linear-gradient(140deg, var(--navy), var(--navy-800)); }
.b-name { font-size: 15px; line-height: 1.25; color: var(--text-dim); transition: color .2s; }
.b-mentor:hover .b-name, .b-mentor.on .b-name { color: #fff; }
.b-mentor.on .b-av { transform: scale(1.1); box-shadow: 0 0 0 3px rgba(4,20,43,.9), 0 0 0 5px var(--yellow), 0 0 26px 4px rgba(252,205,106,.55); }
.bip.has-sel .b-area:not(.on), .bip.has-sel .b-mentor:not(.on) { opacity: .45; }

.bip-panel {
  position: sticky; top: 96px; min-height: 240px;
  padding: 26px 28px; border: 1px solid var(--line); border-top: 3px solid var(--yellow);
  background: rgba(4, 20, 43, .82);
}
.bp-hint { color: var(--text-faint); font-size: 16px; }
.bp-kicker { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--yellow); margin-bottom: 4px; }
.bip-panel h4 { font-size: 22px; font-weight: 600; line-height: 1.25; }
.bip-panel .mail { display: inline-block; margin-top: 4px; font-size: 15px; }
.bp-mentors .mail { display: block; margin: 0 0 4px; font-size: 14px; border: 0; }
.bp-profile { color: var(--text-dim); font-size: 16px; margin-top: 6px; }
.bp-label { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); margin: 20px 0 8px; }
.bp-mentors li, .bp-areas li { font-size: 16px; padding: 2px 0; }
.bp-topics li { font-size: 16px; line-height: 1.4; padding: 9px 0 9px 16px; border-top: 1px solid var(--line); position: relative; }
.bp-topics li::before { content: ""; position: absolute; left: 0; top: 17px; width: 6px; height: 6px; border-radius: 50%; background: var(--lavender); }
.bp-by { display: block; font-size: 13px; color: var(--text-faint); margin-top: 2px; }
.bp-empty { color: var(--text-dim); font-size: 16px; }

@media (max-width: 1100px) {
  .bip { grid-template-columns: 1fr; }
  .bip-panel { position: static; }
}
@media (max-width: 640px) {
  .bip-graph { grid-template-columns: minmax(0, 1fr) 44px 56px; }
  .bip .b-area { font-size: 14px; gap: 8px; padding: 5px 0; }
  .b-n { display: none; }
  .b-name { display: none; }
  .b-av { width: 42px; height: 42px; }
  .bip-panel { padding: 22px 18px; }
}

/* ---------- ПОДНОЖЈЕ ---------- */
.footer { padding: 72px 0 32px; background: var(--navy-900); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.25fr; gap: 32px; padding-bottom: 48px; }
.footer-logo { width: 220px; height: auto; }
.social { display: flex; gap: 10px; margin-top: 24px; }
.social a {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--line); color: var(--text-dim);
  transition: color .2s, border-color .2s, background .2s;
}
.social a:hover { color: #fff; border-color: var(--pink); background: rgba(209, 88, 160, .14); }
.social svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.social svg .dot, .social svg .fill { fill: currentColor; stroke: none; }
.footer h4 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 12px; font-weight: 600; }
.footer-grid p { color: var(--text-dim); font-size: 16px; line-height: 1.9; }
.footer-grid a:hover { color: #fff; }
.footer-grid .links a { display: block; line-height: 1.35; padding: 5px 0; }
.footer-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--text-faint); padding-top: 24px; border-top: 1px solid var(--line); }
.footer-bottom a:hover { color: #fff; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }

/* појављивање при скроловању (JS додаје .in) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- формулар за пријаву ---------- */
.apply { margin-top: 28px; }
.f-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.f-wide { grid-column: 1 / -1; }
.f-field { display: flex; flex-direction: column; gap: 6px; }
.f-field[hidden] { display: none; }
.f-field > span { font-size: 14px; letter-spacing: .04em; color: var(--text-dim); }
.f-field input, .f-field select, .f-field textarea {
  font: inherit; font-size: 17px; color: var(--text);
  background: rgba(2, 12, 28, .7);
  border: 1px solid var(--line); border-radius: 6px;
  padding: 11px 14px; width: 100%;
  transition: border-color .2s, box-shadow .2s;
}
.f-field textarea { resize: vertical; min-height: 90px; }
.f-field select { appearance: none; -webkit-appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%239e96cb' stroke-width='1.6'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.f-field select option { background: var(--navy-850); color: var(--text); }
.f-field input::placeholder { color: var(--text-faint); }
.f-field input:focus, .f-field select:focus, .f-field textarea:focus {
  outline: none; border-color: var(--lavender); box-shadow: 0 0 0 3px rgba(158, 150, 203, .2);
}
.f-field.invalid input, .f-field.invalid select, .f-field.invalid textarea { border-color: var(--pink); }
.f-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.f-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 24px; }
.f-submit {
  font: inherit; font-size: 16px; font-weight: 600; color: var(--navy-850);
  background: #fff; border: 0; border-radius: 6px; padding: 12px 26px; cursor: pointer;
  transition: background .2s, opacity .2s;
}
.f-submit:hover { background: var(--yellow); }
.f-submit:disabled { opacity: .55; cursor: wait; }
.f-status { font-size: 16px; }
.f-status.ok { color: var(--green); }
.f-status.err { color: var(--pink); }
@media (max-width: 600px) { .f-grid { grid-template-columns: 1fr; } .note { padding: 22px 18px; } }