/* ============================================================
   The Atrium of Minds — стилі лендингу
   Design tokens, секції, теми (день/ніч), адаптив.
   ============================================================ */

:root {
  /* --- кольори (день) --- */
  --cream:        #F2ECDD;  /* фон сторінки / світла секція A */
  --cream-b:      #ECE4D1;  /* світла секція B */
  --card:         #FBF7EC;  /* картка світла */
  --hero-top:     #f7f2e6;  /* hero-градієнт верх */
  --border:       #ddd1b4;  /* бордер світлий */
  --card-border:  #e0d4b6;  /* бордер картки */
  --row-divider:  #ece2c8;  /* розділювач рядка codex */
  --logo-ring:    #cdbf9e;  /* обведення лого */

  --ink:          #1d2417;  /* текст основний темний */
  --ink-head:     #1b2215;  /* заголовки */
  --ink-prose:    #3a4231;  /* параграфи */
  --muted:        #5B6452;  /* приглушений */

  --green:        #4FA12E;  /* бренд / CTA */
  --green-lo:     #7BC93F;  /* bevel highlight */
  --green-hi:     #2C6B1E;  /* bevel shadow / бордер */
  --green-eyebrow:#3f7a2c;  /* зелений eyebrow-текст */
  --green-bright: #7DC93F;  /* яскравий на темному */
  --green-accent: #6FB23E;  /* акцент-бордер */
  --earth:        #6b4f32;  /* земляний коричневий */

  --dark:         #13201a;  /* темно-зелений фон */
  --on-dark:      #e9e6d7;
  --on-dark-2:    #dcdccb;
  --on-dark-3:    #d3d0c2;
  --dark-border:  #234a2a;
  --footer-bg:    #0d1712;
  --footer-fg:    #7f9079;

  /* --- ролі поверхонь (перевизначаються в нічній темі) --- */
  --page-bg:      var(--cream);
  --page-fg:      #232A1E;
  --sec-a:        var(--cream);
  --sec-b:        var(--cream-b);
  --topbar-bg:    rgba(242,236,221,.92);

  --maxw: 1080px;
  --radius-btn: 0;

  /* --- bevel/тіні --- */
  --bevel-marker: inset 1.5px 1.5px 0 var(--green-lo), inset -1.5px -1.5px 0 var(--green-hi);
  --bevel-marker-16: inset 2px 2px 0 var(--green-lo), inset -2px -2px 0 var(--green-hi);
  --bevel-btn: inset 2px 2px 0 rgba(255,255,255,.3), inset -2px -2px 0 rgba(0,0,0,.2);

  --ease: cubic-bezier(.2,.7,.2,1);
}

/* нічна тема: інвертуємо світлі поверхні в темно-зелені відтінки */
html[data-theme="night"] {
  --page-bg:    #0f1a14;
  --page-fg:    #e8e4d4;
  --sec-a:      #11201a;
  --sec-b:      #0e1a14;
  --card:       #16261d;
  --card-border:#24402c;
  --row-divider:#234a2a;
  --border:     #1e3326;
  --hero-top:   #16271d;

  --ink:        #eef0e2;
  --ink-head:   #f3f3e6;
  --ink-prose:  #c7cdb9;
  --muted:      #9fac93;
  --logo-ring:  #2c4233;
  --green-eyebrow: #8fcf63;
  --topbar-bg:  rgba(15,26,20,.92);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--page-fg);
  font-family: 'Literata', Georgia, serif;
  width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .4s var(--ease), color .4s var(--ease);
}

::selection { background: #bfe39a; color: var(--ink); }

img { max-width: 100%; }

/* keyframes -------------------------------------------------- */
@keyframes atFloat  { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-7px)} }
@keyframes atFloat2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }
@keyframes atBob    { 0%,100%{transform:translateY(0)} 50%{transform:translateY(5px)} }
@keyframes popIn    { 0%{transform:scale(.4);opacity:0} 70%{transform:scale(1.12)} 100%{transform:scale(1);opacity:1} }
@keyframes pulseGlow{ 0%,100%{box-shadow:inset 2px 2px 0 var(--green-lo),0 0 12px rgba(125,201,90,.4)}
                      50%{box-shadow:inset 2px 2px 0 var(--green-lo),0 0 22px rgba(125,201,90,.85)} }

/* ============================================================
   TOP BAR
   ============================================================ */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--topbar-bg);
  -webkit-backdrop-filter: blur(8px) saturate(1.1); backdrop-filter: blur(8px) saturate(1.1);
  transition: background .4s var(--ease), box-shadow .3s var(--ease);
}
.topbar.is-compact { box-shadow: 0 8px 24px rgba(20,40,15,.12); }
.topbar__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: 13px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transition: padding .25s var(--ease);
}
.topbar.is-compact .topbar__inner { padding: 7px 32px; }

.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand__logo {
  width: 34px; height: 34px; border-radius: 5px;
  box-shadow: 0 0 0 2px var(--logo-ring);
  transition: transform .3s var(--ease);
}
.brand:hover .brand__logo { transform: rotate(-6deg) scale(1.05); }
.brand__name {
  font-family: 'Pixelify Sans', sans-serif; font-weight: 600; font-size: 19px;
  color: var(--ink); letter-spacing: .5px; white-space: nowrap;
}

.topnav { display: flex; gap: 4px; margin-left: auto; }
.topnav__link {
  font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--muted);
  text-decoration: none; padding: 6px 10px; border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}
.topnav__link:hover { color: var(--green-eyebrow); }
.topnav__link.is-active { color: var(--green-eyebrow); border-bottom-color: var(--green); }

.topbar__actions { display: flex; align-items: center; gap: 12px; }

.icon-btn {
  width: 34px; height: 34px; padding: 0; cursor: pointer;
  background: transparent; border: 2px solid var(--border);
  display: grid; place-items: center; color: var(--muted);
  font-family: 'JetBrains Mono', monospace; font-size: 15px; line-height: 1;
  transition: border-color .2s, transform .2s, color .2s;
}
.icon-btn:hover { transform: translateY(-1px); border-color: var(--green); color: var(--green-eyebrow); }
.theme-toggle__icon { width: 14px; height: 14px; background: var(--green); box-shadow: var(--bevel-marker); }
html[data-theme="night"] .theme-toggle__icon {
  background: transparent; box-shadow: inset -5px -5px 0 0 var(--green-bright); border-radius: 50%;
}
#soundToggle.is-on { border-color: var(--green); color: var(--green); }
#soundToggle.is-on .icon-btn__sound { text-shadow: 0 0 8px rgba(125,201,90,.7); }

.grass-strip {
  height: 1px;
  background: var(--border);
}
.scroll-progress {
  height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--green-hi), var(--green-lo));
  box-shadow: 0 0 8px rgba(125,201,90,.5);
  transition: width .1s linear;
}

/* бургер */
.burger {
  display: none; width: 38px; height: 34px; padding: 7px 6px; cursor: pointer;
  background: transparent; border: 2px solid var(--border);
  flex-direction: column; justify-content: space-between;
}
.burger span { display: block; height: 3px; background: var(--green-hi); transition: transform .25s, opacity .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   КНОПКИ
   ============================================================ */
.btn {
  font-family: 'JetBrains Mono', monospace; font-weight: 700;
  color: #fff; background: var(--green);
  border: 2px solid var(--green-hi); text-decoration: none;
  display: inline-flex; align-items: center; gap: 11px; letter-spacing: .03em;
  box-shadow: var(--bevel-btn);
  transition: transform .15s var(--ease), box-shadow .15s var(--ease), filter .15s;
}
.btn--sm { font-size: 13px; padding: 9px 16px; letter-spacing: .04em; }
.btn--sm:hover { filter: brightness(1.06); }
.btn--lg {
  font-size: 17px; padding: 17px 30px;
  box-shadow: var(--bevel-btn), 5px 5px 0 var(--green-hi);
}
.btn--lg:hover { transform: translate(-2px,-2px); box-shadow: var(--bevel-btn), 7px 7px 0 var(--green-hi); }
.btn--lg:active { transform: translate(1px,1px); box-shadow: var(--bevel-btn), 3px 3px 0 var(--green-hi); }
.btn--bright {
  font-size: 18px; padding: 18px 34px; color: #0c1510; background: var(--green-bright);
  border-color: #3E7A2E;
  box-shadow: 0 0 26px rgba(125,201,90,.45), inset 2px 2px 0 rgba(255,255,255,.35), inset -2px -2px 0 rgba(0,0,0,.18);
}
.btn--bright:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 34px rgba(125,201,90,.7), inset 2px 2px 0 rgba(255,255,255,.35), inset -2px -2px 0 rgba(0,0,0,.18);
}

.link-arrow {
  font-family: 'JetBrains Mono', monospace; font-weight: 500; font-size: 15px;
  color: var(--green-eyebrow); text-decoration: none; padding: 14px 8px;
  border-bottom: 2px solid transparent; transition: border-color .2s;
}
.link-arrow:hover { border-bottom-color: var(--green); }

/* ============================================================
   КОНТЕЙНЕРИ / СЕКЦІЇ / ТИПОГРАФІКА
   ============================================================ */
.section { padding: 78px 32px; }
.section--a { background: var(--sec-a); }
.section--b { background: var(--sec-b); border-top: 2px solid var(--border); }
.section--bordered { border-top: 2px solid var(--border); border-bottom: 2px solid var(--border); }
.section--what { padding: 80px 32px 30px; }
.evening-wrap { padding: 30px 32px 84px; }

.container { margin: 0 auto; }
.container--880 { max-width: 880px; }
.container--1000 { max-width: 1000px; }

.eyebrow {
  display: flex; align-items: center; gap: 10px; margin: 0 0 20px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--green-eyebrow);
}
.eyebrow--center { display: inline-flex; gap: 10px; margin-bottom: 22px; letter-spacing: .18em; }
.eyebrow--dark { color: var(--green-bright); font-size: 12px; letter-spacing: .18em; margin-bottom: 18px; }

.marker { flex: none; width: 12px; height: 12px; background: var(--green); box-shadow: var(--bevel-marker); }
.eyebrow--center .marker { width: 11px; height: 11px; box-shadow: var(--bevel-marker); }
.marker--16 { width: 16px; height: 16px; box-shadow: var(--bevel-marker-16); display: inline-block; }
.marker--glow { box-shadow: var(--bevel-marker-16), 0 0 7px rgba(125,201,90,.5); }
.eyebrow--dark .marker--glow { width: 11px; height: 11px; background: var(--green-bright); box-shadow: 0 0 8px var(--green-bright); }

.h2 {
  font-family: 'Literata', serif; font-weight: 600;
  font-size: clamp(30px, 5vw, 42px); line-height: 1.1; margin: 0 0 30px; color: var(--ink);
}
.h3 { font-family: 'Literata', serif; font-weight: 600; font-size: 23px; line-height: 1.25; color: var(--ink); margin: 0 0 10px; }
.h3--21 { font-size: 21px; margin-bottom: 5px; }

.prose { font-family: 'Literata', serif; margin: 0; color: var(--ink-prose); }
.prose--15 { font-size: 15px; line-height: 1.55; color: var(--muted); }
.prose--17 { font-size: 17px; line-height: 1.6; color: var(--muted); }
.prose--18 { font-size: 18px; line-height: 1.6; color: var(--muted); }
.prose--19 { font-size: 19px; line-height: 1.7; }
.prose--20 { font-size: 20px; line-height: 1.68; margin-bottom: 22px; }

.grid { display: grid; }
.grid--2 { grid-template-columns: 1fr 1fr; }
.why-grid { gap: 30px 44px; }
.believe-grid { gap: 18px; }
.who-grid { gap: 16px; max-width: 720px; margin-bottom: 34px; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative; padding: 84px 32px 88px; overflow: hidden;
  background: radial-gradient(120% 90% at 50% -10%, var(--hero-top) 0%, var(--page-bg) 55%);
}
.hero__inner { max-width: 920px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }
.hero__logo {
  width: 130px; height: 130px; border-radius: 12px; display: block; margin: 0 auto 30px;
  box-shadow: 0 0 0 3px var(--logo-ring), 0 14px 40px rgba(30,50,20,.28);
  animation: atFloat 7s ease-in-out infinite;
}
.hero__title {
  font-family: 'Pixelify Sans', sans-serif; font-weight: 600;
  font-size: clamp(44px, 9vw, 74px); line-height: .98; margin: 0 0 26px;
  color: var(--ink-head); letter-spacing: .5px;
}
.hero__lead { font-size: clamp(20px,3.2vw,25px); line-height: 1.5; color: var(--ink); margin: 0 auto 18px; max-width: 720px; }
html[data-theme="night"] .hero__lead { color: var(--page-fg); }
.hero__sub { font-size: 18px; line-height: 1.6; color: var(--muted); margin: 0 auto 38px; max-width: 580px; }
.hero__cta { display: flex; gap: 16px; justify-content: center; align-items: center; flex-wrap: wrap; }

.pixel-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; pointer-events: none; }

.float-square {
  position: absolute; z-index: 1;
  left: var(--x, auto); right: var(--xr, auto);
  top: var(--y, auto); bottom: var(--yb, auto);
  width: var(--s); height: var(--s); background: var(--c);
  opacity: var(--o); animation: var(--anim) var(--dur) ease-in-out infinite;
  will-change: transform;
}

/* ============================================================
   EVENING STORY
   ============================================================ */
.evening {
  position: relative; background: var(--dark); color: var(--on-dark);
  border: 2px solid var(--green-hi); box-shadow: 7px 7px 0 var(--green-hi);
  padding: 46px 48px; overflow: hidden;
}
.evening::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(140% 120% at 100% 0%, rgba(125,201,90,.16), transparent 45%);
}
.evening__text { font-family: 'Literata', serif; font-size: 21px; line-height: 1.72; color: var(--on-dark-2); margin: 0; position: relative; }

/* ============================================================
   BELIEVE — картки
   ============================================================ */
.card {
  background: var(--card); padding: 28px 28px 30px;
  border: 2px solid var(--card-border); box-shadow: 4px 4px 0 var(--card-border);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.card:hover { box-shadow: 8px 8px 0 var(--green-hi); border-color: var(--green-accent); }
.card .marker--16 { margin-bottom: 16px; transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.card:hover .marker--16 { transform: scale(1.2) rotate(-6deg); box-shadow: var(--bevel-marker-16), 0 0 14px rgba(125,201,90,.75); }
html[data-theme="night"] .card .h3 { color: var(--ink-head); }

/* виразніший вхід карток «У що ми віримо» */
@keyframes cardPop {
  0%   { opacity: 0; transform: translateY(26px) scale(.95); }
  60%  { opacity: 1; transform: translateY(-3px) scale(1.015); }
  100% { opacity: 1; transform: none; }
}
/* longhand, щоб не скинути stagger-затримку з [data-stagger="n"] */
.is-revealed .believe-grid [data-stagger] {
  animation-name: cardPop; animation-duration: .6s;
  animation-timing-function: var(--ease); animation-fill-mode: both;
}

/* ============================================================
   CODEX
   ============================================================ */
/* читабельний підзаголовок секції */
.section-sub {
  font-family: 'Literata', serif; font-size: 19px; line-height: 1.6;
  color: var(--ink-prose); margin: 0 0 32px; max-width: 640px;
}

/* ---- Кодекси у вкладках ---- */
.codex-tabs { max-width: 760px; }
.codex-tabs__bar { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.codex-tab {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 15px;
  color: var(--muted); background: var(--card);
  border: 2px solid var(--card-border); box-shadow: 3px 3px 0 var(--card-border);
  padding: 12px 18px;
  transition: color .2s, background .2s, border-color .2s, transform .15s var(--ease), box-shadow .15s var(--ease);
}
.codex-tab:hover { color: var(--green-eyebrow); transform: translate(-2px,-2px); box-shadow: 5px 5px 0 var(--card-border); }
.codex-tab__icon {
  width: 14px; height: 14px; background: var(--card-border); box-shadow: var(--bevel-marker-16);
  transition: background .2s, box-shadow .2s;
}
.codex-tab__count {
  font-size: 12px; color: var(--muted); border: 1px solid var(--card-border);
  padding: 1px 7px; transition: color .2s, border-color .2s;
}
.codex-tab.is-active {
  color: #fff; background: var(--green); border-color: var(--green-hi);
  box-shadow: 3px 3px 0 var(--green-hi);
}
.codex-tab.is-active:hover { transform: translate(-2px,-2px); box-shadow: 5px 5px 0 var(--green-hi); }
.codex-tab.is-active .codex-tab__icon { background: var(--green-lo); box-shadow: inset 1.5px 1.5px 0 #fff, inset -1.5px -1.5px 0 var(--green-hi); }
.codex-tab.is-active .codex-tab__count { color: #fff; border-color: rgba(255,255,255,.55); }

.codex-panel {
  border: 2px solid var(--green-accent); box-shadow: 6px 6px 0 var(--card-border);
  background: var(--sec-b); padding: 22px 22px;
}
html[data-theme="night"] .codex-panel { background: #11201a; }
.codex-panel[hidden] { display: none; }
.codex-panel.is-active { animation: panelIn .35s var(--ease); }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.codex2__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.codex2__rule {
  position: relative; display: flex; gap: 16px; align-items: center;
  background: var(--card); border: 2px solid var(--card-border);
  box-shadow: 4px 4px 0 var(--card-border);
  padding: 16px 18px; cursor: default; outline: none;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.codex2__rule:hover, .codex2__rule:focus-visible {
  transform: translate(-3px,-3px);
  border-color: var(--green-accent);
  box-shadow: 7px 7px 0 var(--green-hi);
}
/* піксельний номер-блок зліва */
.codex2__num {
  flex: none; width: 38px; height: 38px; align-self: flex-start;
  background: var(--green); border: 2px solid var(--green-hi);
  box-shadow: inset 2px 2px 0 var(--green-lo);
  display: grid; place-items: center;
  font-family: 'Pixelify Sans', sans-serif; font-size: 22px; color: #fff;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.codex2__rule:hover .codex2__num, .codex2__rule:focus-visible .codex2__num {
  transform: rotate(-5deg) scale(1.08);
  box-shadow: inset 2px 2px 0 var(--green-lo), 0 0 14px rgba(125,201,90,.7);
}
.codex2__text {
  font-family: 'Literata', serif; font-size: 18px; line-height: 1.5; margin: 0; color: #2f3726;
}
html[data-theme="night"] .codex2__text { color: var(--ink-prose); }

/* ============================================================
   WHO
   ============================================================ */
.who-card { background: var(--sec-a); border: 2px solid var(--border); padding: 24px;
  transition: transform .2s var(--ease); }
html[data-theme="night"] .who-card { background: var(--card); }
.who-card__label { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: .12em;
  text-transform: uppercase; color: #8a8470; margin-bottom: 10px; }
.who-card__title { font-family: 'Literata', serif; font-weight: 600; font-size: 21px; color: var(--ink); margin-bottom: 8px; }
.who-final { font-size: clamp(19px,3vw,22px); line-height: 1.6; color: var(--ink); margin: 0; max-width: 720px; }
.who-final .accent { color: var(--green-eyebrow); font-weight: 600; }

/* ============================================================
   JOIN — кроки
   ============================================================ */
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.step {
  position: relative; display: flex; gap: 22px; align-items: flex-start;
  background: var(--card); border: 2px solid var(--card-border);
  box-shadow: 4px 4px 0 var(--card-border); padding: 24px 26px;
  cursor: default; overflow: hidden;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
/* конектор між кроками */
.step:not(:last-child)::after {
  content: ''; position: absolute; left: 47px; bottom: -14px; width: 2px; height: 14px;
  background: var(--card-border);
}
.step--accent { border-color: var(--green-accent); }
.step:hover {
  transform: translateX(6px);
  border-color: var(--green-accent);
  box-shadow: 7px 7px 0 var(--green-hi);
}
.step:hover .step__num { box-shadow: inset 2px 2px 0 var(--green-lo), 0 0 16px rgba(125,201,90,.65); transform: rotate(-4deg) scale(1.06); }
.step__num {
  flex: none; width: 44px; height: 44px; background: var(--green); border: 2px solid var(--green-hi);
  box-shadow: inset 2px 2px 0 var(--green-lo);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Pixelify Sans', sans-serif; font-size: 24px; color: #fff;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}
.step__num--glow { box-shadow: inset 2px 2px 0 var(--green-lo), 0 0 12px rgba(125,201,90,.4); }
.step__body { transition: transform .22s var(--ease); }
.is-revealed .step__num { animation: popIn .5s var(--ease) both; }
.is-revealed .step__num--glow { animation: popIn .5s var(--ease) both, pulseGlow 2.4s ease-in-out 1s infinite; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final { position: relative; padding: 90px 32px; background: var(--dark); color: var(--on-dark); overflow: hidden; }
.final__inner { max-width: 760px; margin: 0 auto; text-align: center; position: relative; z-index: 2; }
.final__logo { width: 88px; height: 88px; border-radius: 10px; display: block; margin: 0 auto 28px;
  box-shadow: 0 0 0 2px #2c4233, 0 0 30px rgba(125,201,90,.4); animation: atFloat 7s ease-in-out infinite; }
.final__title {
  font-family: 'Pixelify Sans', sans-serif; font-weight: 600; font-size: clamp(34px,7vw,48px);
  line-height: 1.05; margin: 0 0 18px; color: #f3f0e2; text-shadow: 0 0 22px rgba(125,201,90,.35);
}
.final__text { font-size: 20px; line-height: 1.6; color: #a9b8a2; margin: 0 auto 36px; max-width: 540px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--footer-bg); color: var(--footer-fg); padding: 28px 32px; border-top: 1px solid #223129; }
.footer__inner {
  max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; font-family: 'JetBrains Mono', monospace; font-size: 13px; letter-spacing: .04em;
}
.footer__brand { display: flex; align-items: center; gap: 10px; }
.footer__dot { width: 10px; height: 10px; background: var(--green); box-shadow: 0 0 6px var(--green); }
.footer__link { color: #9bc77e; text-decoration: none; transition: color .2s; }
.footer__link:hover { color: #cfe9b8; }

/* ============================================================
   КНОПКА «НАГОРУ»
   ============================================================ */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 30;
  width: 46px; height: 46px; cursor: pointer;
  background: var(--green); color: #fff; border: 2px solid var(--green-hi);
  box-shadow: var(--bevel-btn), 4px 4px 0 var(--green-hi);
  font-size: 20px; font-family: 'JetBrains Mono', monospace;
  opacity: 0; transform: translateY(16px); pointer-events: none;
  transition: opacity .3s, transform .3s;
}
.to-top.is-visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.to-top:hover { transform: translate(-2px,-2px); box-shadow: var(--bevel-btn), 6px 6px 0 var(--green-hi); }

/* ============================================================
   SCROLL-REVEAL + TILT
   ============================================================ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-revealed { opacity: 1; transform: none; }
/* stagger карток усередині revealed-контейнера */
.is-revealed [data-stagger] { opacity: 0; transform: translateY(20px); animation: revealUp .6s var(--ease) forwards; }
.is-revealed [data-stagger="0"] { animation-delay: .05s; }
.is-revealed [data-stagger="1"] { animation-delay: .15s; }
.is-revealed [data-stagger="2"] { animation-delay: .25s; }
.is-revealed [data-stagger="3"] { animation-delay: .35s; }
@keyframes revealUp { to { opacity: 1; transform: none; } }

.tilt { transform-style: preserve-3d; will-change: transform; }

/* ============================================================
   АДАПТИВ
   ============================================================ */
@media (max-width: 860px) {
  .codex-tab { padding: 11px 14px; font-size: 13px; gap: 8px; }
  .codex-tab__label { white-space: nowrap; }
}
@media (max-width: 720px) {
  .section { padding: 56px 24px; }
  .hero { padding: 60px 24px 64px; }
  .grid--2 { grid-template-columns: 1fr; }
  .why-grid { gap: 20px; }
  .evening { padding: 34px 26px; }
  .evening__text { font-size: 19px; }

  .topnav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0; margin: 0;
    background: var(--topbar-bg); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
    border-bottom: 2px solid var(--border);
    max-height: 0; overflow: hidden; transition: max-height .3s var(--ease);
  }
  .topnav.is-open { max-height: 320px; }
  .topnav__link { padding: 14px 32px; border-bottom: 1px solid var(--border); }
  .burger { display: flex; }

  /* топбар на мобільному: лого-символ замість довгого бренд-тексту, щоб нічого не налазило */
  .brand__name { display: none; }
  .topbar__inner { padding: 11px 18px; gap: 10px; }
  .topbar.is-compact .topbar__inner { padding: 8px 18px; }
  .topbar__actions { gap: 8px; }
  .icon-btn { width: 32px; height: 32px; }
  .btn--sm { padding: 9px 13px; }
}
@media (max-width: 380px) {
  /* зовсім вузькі екрани: ховаємо Discord-кнопку з бару — велика CTA є одразу в hero */
  .topbar__actions .btn--sm { display: none; }
}
@media (max-width: 480px) {
  .step { padding: 18px 18px; gap: 16px; }
  .codex2__rule { padding: 14px 14px; gap: 13px; }
  .codex2__num { width: 34px; height: 34px; font-size: 19px; }
}

/* ============================================================
   ДОСТУПНІСТЬ: менше руху
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .pixel-canvas { display: none; }
}