@import url('https://fonts.googleapis.com/css2?family=Onest:wght@300;400;500;600;700;800&family=Unbounded:wght@400;500;600;700&display=swap');

/* =============================================================
   Совет старшеклассников · МБОУ «Гимназия №6» · г. Архангельск
   Основная таблица стилей
   ============================================================= */

/* ---------- 1. Токены ---------- */
:root{
  /* Палитра снята с логотипа совета: тёмно-синий штрих на белой бумаге */
  --navy-900:#0B1330;
  --navy-800:#111C46;
  --navy-700:#1B2A63;
  --navy-600:#26377C;
  --navy-500:#3A50A8;
  --blue-400:#4C79E6;
  --blue-100:#DCE6FF;

  --gold:#D9A441;
  --gold-600:#A9781F;
  --gold-100:#F7EBCF;

  --paper:#FFFFFF;
  --surface:#F5F7FC;
  --surface-2:#EAEEF8;

  --ink:#141A2E;
  --ink-soft:#4E5675;
  --ink-mute:#6E769380;
  --ink-mute:#6E7693;
  --line:#DCE2F0;
  --line-soft:#EDF0F8;
  --ok:#177D55;

  --font-sans:'Onest','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --font-display:'Unbounded','Onest','Segoe UI',system-ui,sans-serif;

  --wrap:1180px;
  --r-md:14px;
  --r-lg:22px;

  --sh-1:0 1px 2px rgba(16,26,64,.06), 0 2px 8px rgba(16,26,64,.05);
  --sh-2:0 4px 12px rgba(16,26,64,.08), 0 16px 40px rgba(16,26,64,.09);

  --ease:cubic-bezier(.22,.61,.36,1);
  --hdr-h:76px;
}

/* ---------- 2. Сброс и база ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 20px)}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--navy-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--blue-400)}
button{font:inherit;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.15;letter-spacing:-.02em;color:var(--navy-800)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid var(--blue-400);outline-offset:3px;border-radius:4px}
::selection{background:var(--navy-700);color:#fff}

/* ---------- 3. Служебные ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:24px}
.wrap--narrow{max-width:860px}
.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}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--surface{background:var(--surface)}
.section--navy{background:var(--navy-800);color:#E8ECF9}
.section--navy h2,.section--navy h3,.section--navy h4{color:#fff}

/* Ромб — фирменный знак совета, повторяется по всему сайту */
.rhomb{width:9px;height:9px;flex:none;transform:rotate(45deg);background:var(--gold);border-radius:1px}
.rhomb--o{background:none;border:2px solid currentColor;opacity:.5}

/* ---------- 4. Типографика ---------- */
.display{font-family:var(--font-display);font-weight:600;letter-spacing:-.03em;line-height:1.06}
.h1{font-size:clamp(2.05rem,5vw,3.7rem)}
.h2{font-size:clamp(1.65rem,3.3vw,2.5rem)}
.h3{font-size:clamp(1.2rem,2vw,1.55rem)}
.lead{font-size:clamp(1.02rem,1.5vw,1.18rem);line-height:1.6;color:var(--ink-soft)}
.muted{color:var(--ink-soft)}
.tiny{font-size:.82rem}
.center{text-align:center}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.77rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-600);
}
.section--navy .eyebrow{color:var(--gold)}

/* Заголовок раздела с порядковым номером */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.sec-head__num{
  display:block;margin-bottom:12px;padding-left:12px;
  font-family:var(--font-display);font-size:.78rem;font-weight:500;letter-spacing:.1em;
  color:var(--ink-mute);border-left:2px solid var(--gold);
}
.section--navy .sec-head__num{color:#94A0C8}
.sec-head__title{max-width:36ch}
.sec-head__aside{max-width:46ch;padding-bottom:6px;font-size:.96rem;color:var(--ink-soft)}
.section--navy .sec-head__aside{color:#B4BEDD}

/* ---------- 5. Кнопки ---------- */
.btn{
  --bg:var(--navy-700);--fg:#fff;--bd:var(--navy-700);
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 24px;border:1.5px solid var(--bd);background:var(--bg);color:var(--fg);
  font-weight:600;font-size:.94rem;line-height:1;border-radius:100px;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),background .2s,color .2s,border-color .2s;
}
.btn:hover{color:var(--fg);transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,42,99,.24)}
.btn:active{transform:translateY(0)}
.btn--ghost{--bg:transparent;--fg:var(--navy-700);--bd:var(--line)}
.btn--ghost:hover{--bd:var(--navy-700);--bg:var(--navy-700);--fg:#fff}
.btn--gold{--bg:var(--gold);--fg:#2A1D02;--bd:var(--gold)}
.btn--gold:hover{--bg:var(--gold-600);--bd:var(--gold-600);--fg:#fff}
.btn--onnavy{--bg:transparent;--fg:#fff;--bd:rgba(255,255,255,.38)}
.btn--onnavy:hover{--bg:#fff;--fg:var(--navy-800);--bd:#fff}
.btn--sm{padding:9px 17px;font-size:.85rem}

.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.94rem;color:var(--navy-600)}
.link-arrow svg{transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(5px)}

/* ---------- 6. Плашки ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:100px;
  font-size:.75rem;font-weight:600;background:var(--surface-2);color:var(--navy-700);
}
.chip--gold{background:var(--gold-100);color:var(--gold-600)}
.chip--blue{background:var(--blue-100);color:var(--navy-600)}
.chip--ok{background:#E2F4EC;color:var(--ok)}
.chip--ghost{background:transparent;border:1px solid var(--line);color:var(--ink-soft)}

/* ---------- 7. Шапка ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s var(--ease),border-color .25s;
}
.site-header.is-stuck{box-shadow:var(--sh-1);border-color:var(--line)}
.hdr{display:flex;align-items:center;gap:20px;height:var(--hdr-h)}
.hdr__brand{display:flex;align-items:center;gap:12px;flex:none}
.hdr__brand img{width:40px;height:40px}
.hdr__brand-text{display:flex;flex-direction:column;line-height:1.2}
.hdr__brand-top{font-weight:700;font-size:.92rem;color:var(--navy-800);letter-spacing:-.01em}
.hdr__brand-sub{font-size:.71rem;color:var(--ink-mute);letter-spacing:.02em}
.hdr__nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.hdr__link{
  position:relative;padding:9px 12px;border-radius:8px;
  font-size:.91rem;font-weight:500;color:var(--ink-soft);
  transition:color .18s,background .18s;
}
.hdr__link:hover{color:var(--navy-700);background:var(--surface)}
.hdr__link.is-active{color:var(--navy-700);font-weight:600}
.hdr__link.is-active::after{content:'';position:absolute;left:12px;right:12px;bottom:3px;height:2px;background:var(--gold);border-radius:2px}
.hdr__cta{flex:none;margin-left:8px}
.hdr__burger{
  display:none;margin-left:auto;width:44px;height:44px;flex:none;
  border:1px solid var(--line);background:#fff;border-radius:11px;
  align-items:center;justify-content:center;
}
.hdr__burger span{display:block;width:19px;height:2px;background:var(--navy-700);border-radius:2px;position:relative;transition:background .2s}
.hdr__burger span::before,.hdr__burger span::after{content:'';position:absolute;left:0;width:19px;height:2px;background:var(--navy-700);border-radius:2px;transition:transform .25s var(--ease),top .2s}
.hdr__burger span::before{top:-6px}
.hdr__burger span::after{top:6px}
body.nav-open .hdr__burger span{background:transparent}
body.nav-open .hdr__burger span::before{top:0;transform:rotate(45deg)}
body.nav-open .hdr__burger span::after{top:0;transform:rotate(-45deg)}

.mobile-nav{
  position:fixed;inset:var(--hdr-h) 0 0;z-index:70;background:#fff;
  padding:22px 24px 40px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .22s,transform .22s var(--ease);
}
body.nav-open .mobile-nav{opacity:1;transform:none;pointer-events:auto}
body.nav-open{overflow:hidden}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:15px 4px;border-bottom:1px solid var(--line-soft);
  font-size:1.06rem;font-weight:600;color:var(--navy-800);
}
.mobile-nav a .rhomb{opacity:0;transition:opacity .2s}
.mobile-nav a.is-active .rhomb{opacity:1}
.mobile-nav .btn{margin-top:24px;width:100%}

/* ---------- 8. Герой ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(155deg,var(--navy-800) 0%,var(--navy-700) 48%,var(--navy-600) 100%);
}
.hero::before{ /* чертёжная сетка — отсылка к линейному рисунку здания на логотипе */
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 78% 72% at 28% 40%,#000 25%,transparent 100%);
          mask-image:radial-gradient(ellipse 78% 72% at 28% 40%,#000 25%,transparent 100%);
}
.hero__inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;
  gap:56px;align-items:center;padding:80px 0 92px;
}
.hero__eyebrow{color:var(--gold);margin-bottom:20px}
.hero h1{color:#fff;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero__lead{font-size:clamp(1.02rem,1.5vw,1.17rem);color:#C4CDEB;max-width:52ch;margin-bottom:32px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero__meta{display:flex;flex-wrap:wrap;gap:14px 30px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero__meta-item{display:flex;align-items:center;gap:10px;font-size:.87rem;color:#AEB9DF}
.hero__meta-item b{color:#fff;font-weight:600}

.hero__badge{position:relative;justify-self:center;width:min(100%,360px);aspect-ratio:1/1;display:grid;place-items:center}
.hero__badge i{position:absolute;inset:4%;border:1.5px solid rgba(217,164,65,.5);border-radius:26px;transform:rotate(45deg)}
.hero__badge i:nth-child(2){inset:14%;border-color:rgba(255,255,255,.15)}
.hero__badge img{position:relative;z-index:2;width:auto;max-height:100%;filter:drop-shadow(0 18px 40px rgba(0,0,0,.4))}

/* ---------- 9. Полоса цифр ---------- */
.stats{border-bottom:1px solid var(--line-soft)}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stats__item{padding:32px 26px;border-left:1px solid var(--line-soft)}
.stats__item:first-child{border-left:0;padding-left:0}
.stats__num{font-family:var(--font-display);font-size:clamp(1.85rem,3.3vw,2.6rem);font-weight:600;color:var(--navy-700);line-height:1;letter-spacing:-.03em}
.stats__num span{color:var(--gold)}
.stats__label{margin-top:9px;font-size:.87rem;color:var(--ink-soft);line-height:1.4}

/* ---------- 10. Сетки и карточки ---------- */
.grid{display:grid;gap:24px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}

.card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--blue-100)}
.card__body{padding:22px;display:flex;flex-direction:column;flex:1;gap:11px}
.card__title{font-size:1.1rem;font-weight:700;line-height:1.3;color:var(--navy-800)}
a.card__title:hover{color:var(--blue-400)}
.card__text{font-size:.93rem;color:var(--ink-soft);line-height:1.6}
.card__foot{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line-soft)}
.card__row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}

/* Обложка; если фото нет — фирменная заглушка с ромбом */
.cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);flex:none}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .cover img{transform:scale(1.045)}
.cover--ph{display:grid;place-items:center;background:linear-gradient(140deg,var(--navy-700),var(--navy-500))}
.cover--ph.t1{background:linear-gradient(140deg,var(--navy-800),var(--navy-600))}
.cover--ph.t2{background:linear-gradient(140deg,var(--navy-600),var(--blue-400))}
.cover--ph.t3{background:linear-gradient(140deg,#2C3E86,#63489F)}
.cover--ph.t4{background:linear-gradient(140deg,var(--navy-700),#186B58)}
.cover--ph::after{content:'';position:absolute;width:44%;aspect-ratio:1;transform:rotate(45deg);border:1.5px solid rgba(255,255,255,.3);border-radius:10px}
.cover--ph b{position:relative;z-index:2;font-family:var(--font-display);font-weight:600;font-size:1.45rem;color:rgba(255,255,255,.94)}
.cover__date{
  position:absolute;left:14px;top:14px;z-index:3;line-height:1;text-align:center;
  background:rgba(255,255,255,.96);border-radius:10px;padding:8px 11px;box-shadow:var(--sh-1);
}
.cover__date b{display:block;font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--navy-800)}
.cover__date i{display:block;margin-top:3px;font-style:normal;font-size:.64rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-mute)}

/* ---------- 11. Формы ---------- */
.field{display:block;margin-bottom:18px}
.field__label{display:block;font-size:.85rem;font-weight:600;color:var(--navy-800);margin-bottom:7px}
.field__label span{color:var(--gold-600)}
.input{
  width:100%;padding:13px 15px;font:inherit;font-size:.95rem;color:var(--ink);
  background:#fff;border:1.5px solid var(--line);border-radius:12px;
  transition:border-color .18s,box-shadow .18s;
}
.input:focus{outline:none;border-color:var(--navy-500);box-shadow:0 0 0 4px rgba(58,80,168,.13)}
textarea.input{min-height:130px;resize:vertical}
.field__hint{margin-top:6px;font-size:.79rem;color:var(--ink-mute)}
.note{padding:14px 16px;border-radius:12px;background:var(--gold-100);color:var(--gold-600);font-size:.87rem;font-weight:500}
.note--ok{background:#E2F4EC;color:var(--ok)}

/* ---------- 12. Подвал ---------- */
.site-footer{background:var(--navy-900);color:#A9B4D8;padding:62px 0 26px;font-size:.92rem}
.site-footer h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer__brand{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.footer__brand img{width:46px;height:46px}
.footer__brand b{display:block;color:#fff;font-size:.98rem;line-height:1.3}
.footer__brand span{font-size:.79rem;color:#8792BC}
.footer__list li{list-style:none;margin-bottom:10px}
.footer__list a{color:#A9B4D8}
.footer__list a:hover{color:#fff}
.footer__bottom{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;padding-top:22px;font-size:.82rem;color:#7B86AF}
.footer__soc{display:flex;gap:10px}
.footer__soc a{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:rgba(255,255,255,.07);color:#fff;transition:background .2s,transform .2s,color .2s}
.footer__soc a:hover{background:var(--gold);color:var(--navy-900);transform:translateY(-2px)}

/* ---------- 13. Появление при скролле ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}