/* =========================================================================
   OrgDesk — маркетинговый лендинг. Дизайн-система из frontend/src/shared/ui.
   Стиль: тёплая бумага, фирменный красный, пунктирные рамки, «печатные» тени.
   ========================================================================= */

:root {
  /* ---------- Brand palette ---------- */
  --ch-red:        #E60023;
  --ch-red-deep:   #B8001C;
  --ch-red-soft:   #FFE5E8;
  --ch-black:      #0A0A0A;
  --ch-ink:        #1A1A1A;
  --ch-white:      #FFFFFF;
  --ch-paper:      #FAFAF7;
  --ch-cream:      #F2EFE6;

  --ch-gray-50:    #F5F5F5;
  --ch-gray-100:   #E8E8E8;
  --ch-gray-200:   #D1D1D1;
  --ch-gray-300:   #A8A8A8;
  --ch-gray-400:   #6E6E6E;
  --ch-gray-500:   #3D3D3D;

  --fg-1: var(--ch-ink);
  --fg-2: var(--ch-gray-500);
  --fg-3: var(--ch-gray-400);

  --status-ok:     #14833B;
  --status-warn:   #E8862D;
  --status-danger: var(--ch-red);

  /* ---------- Typography ---------- */
  --font-display: "Reza Zulmi Sans", "Bebas Neue", "Impact", system-ui, sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --tracking-display: -0.02em;
  --tracking-caps:    0.14em;

  /* ---------- Spacing ---------- */
  --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 24px;
  --sp-6: 32px; --sp-7: 48px; --sp-8: 64px; --sp-9: 96px; --sp-10: 128px;

  /* ---------- Radii ---------- */
  --r-1: 2px; --r-2: 6px; --r-3: 12px; --r-pill: 999px;

  /* ---------- Borders ---------- */
  --border-dotted: 2px dashed var(--ch-black);

  /* ---------- Shadows ---------- */
  --shadow-stamp:     4px 4px 0 0 var(--ch-black);
  --shadow-stamp-red: 4px 4px 0 0 var(--ch-red);
  --shadow-soft:      0 1px 2px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.06);

  /* ---------- Motion ---------- */
  --ease-out:  cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-snap: cubic-bezier(0.4, 1.6, 0.6, 1);
  --dur-2: 200ms;

  --focus-ring: 0 0 0 3px rgba(230, 0, 35, 0.28);
  --maxw: 1180px;
}

/* ============================ Reset / base ============================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--fg-1);
  background: var(--ch-paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ch-red); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: none; box-shadow: var(--focus-ring); border-radius: var(--r-2); }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--ch-black); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ============================ Utilities ============================ */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.display {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: var(--tracking-display);
  overflow-wrap: break-word;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 23px;
  font-weight: 500;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--ch-red);
  margin: 0 0 16px;
}
.kicker--on-dark { color: var(--ch-red-soft); }

.section { padding: clamp(56px, 9vw, 112px) 0; }
.section__title {
  font-size: clamp(30px, 5vw, 52px);
  max-width: 18ch;
  margin-bottom: 40px;
}
.accent { color: var(--ch-red); }

/* Пунктирная «штамп»-рамка — фирменный приём */
.frame {
  border: var(--border-dotted);
  border-radius: var(--r-3);
  background: var(--ch-white);
}

/* Появление по скроллу — только при JS; без JS всё видно */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ============================ Buttons ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600; font-size: 16px; line-height: 1;
  padding: 14px 22px;
  border: 2px solid var(--ch-black);
  border-radius: var(--r-2);
  cursor: pointer;
  text-decoration: none;
  transition: transform var(--dur-2) var(--ease-snap), box-shadow var(--dur-2) var(--ease-out), background var(--dur-2);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--ch-red); color: #fff; border-color: var(--ch-black); }
.btn--primary:hover { background: var(--ch-red-deep); }
.btn--stamp { box-shadow: var(--shadow-stamp); }
.btn--stamp:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 0 var(--ch-black); }
.btn--stamp:active { transform: translate(2px, 2px); box-shadow: 2px 2px 0 0 var(--ch-black); }
.btn--sm { padding: 10px 16px; font-size: 15px; }
.btn--lg { padding: 17px 30px; font-size: 18px; }

/* ============================ Header / nav ============================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 250, 247, 0.88);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--ch-gray-100);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand__logo { height: 64px; width: auto; }

.nav { display: flex; align-items: center; }
/* Чекбокс скрыт визуально, но остаётся в потоке фокуса (переключение с клавиатуры) */
.nav__checkbox { position: absolute; width: 1px; height: 1px; opacity: 0; margin: 0; }
.nav__burger { display: none; }
.nav__burger-bars, .nav__burger-bars::before, .nav__burger-bars::after {
  display: block; width: 22px; height: 2px; background: var(--ch-black); content: "";
}
.nav__burger-bars { position: relative; }
.nav__burger-bars::before { position: absolute; top: -7px; }
.nav__burger-bars::after { position: absolute; top: 7px; }

.nav__list { display: flex; align-items: center; gap: 26px; }
.nav__link { color: var(--fg-1); font-size: 15px; font-weight: 500; }
.nav__link:hover { color: var(--ch-red); text-decoration: none; }
.nav__link--login { color: var(--fg-2); }
.nav__cta { margin-left: 4px; }

/* ============================ Hero ============================ */
.hero { padding: clamp(40px, 7vw, 84px) 0 clamp(48px, 8vw, 96px); }
.hero__inner {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__title { font-size: clamp(40px, 7vw, 84px); margin-bottom: 24px; }
.hero__lead { font-size: clamp(17px, 2vw, 20px); color: var(--fg-2); max-width: 46ch; margin: 0 0 32px; }

.cta-form { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-form__input {
  flex: 1 1 240px; min-width: 0;
  font-family: var(--font-body); font-size: 16px;
  padding: 14px 16px;
  border: 2px solid var(--ch-black); border-radius: var(--r-2);
  background: #fff; color: var(--fg-1);
}
.cta-form__input::placeholder { color: var(--ch-gray-300); }
.cta-form--center { justify-content: center; max-width: 560px; margin: 0 auto; }

.hero__trust {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  margin: 20px 0 0; font-size: 14px; color: var(--fg-3);
  font-family: var(--font-mono);
}
.hero__trust span[aria-hidden] { color: var(--ch-gray-200); }

/* --- Канбан-макет в hero --- */
.hero__visual { min-width: 0; }
.board { padding: 14px; box-shadow: var(--shadow-stamp); }
.board__bar { display: flex; align-items: center; gap: 7px; padding: 4px 6px 12px; border-bottom: 1px dashed var(--ch-gray-200); }
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--ch-gray-200); }
.dot--red { background: var(--ch-red); }
.board__title { margin-left: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.board__cols { display: grid; grid-template-columns: repeat(3, minmax(150px, 1fr)); gap: 10px; padding-top: 14px; overflow-x: auto; }
.col__head { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-2); margin-bottom: 10px; }
.col__head em { color: var(--ch-red); font-style: normal; font-weight: 700; margin-left: 4px; }
.mini { background: var(--ch-paper); border: 1.5px solid var(--ch-gray-100); border-radius: var(--r-2); padding: 10px; margin-bottom: 10px; box-shadow: var(--shadow-soft); }
.mini--paid { border-color: #BFE6CB; }
.mini__title { font-size: 13.5px; font-weight: 600; line-height: 1.25; }
.mini__meta { display: flex; align-items: center; gap: 6px; margin: 7px 0 6px; font-size: 11.5px; color: var(--fg-3); font-family: var(--font-mono); }
.mini__price { font-family: var(--font-mono); font-weight: 600; font-size: 13px; color: var(--ch-ink); }

.tag--task { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }
.tag--ok { background: var(--status-ok); }
.tag--warn { background: var(--status-warn); }
.tag--danger { background: var(--status-danger); }
.badge-paid { font-family: var(--font-mono); font-size: 10.5px; color: var(--status-ok); background: #E3F4E8; padding: 2px 7px; border-radius: var(--r-pill); }
.badge-room { font-family: var(--font-mono); font-size: 10.5px; color: var(--ch-red-deep); background: var(--ch-red-soft); padding: 2px 7px; border-radius: var(--r-pill); }

/* ============================ Header actions (внутренние страницы) ============================ */
.site-header__actions { display: flex; align-items: center; gap: 16px; }
.site-header__actions .nav__link { color: var(--fg-1); font-size: 15px; font-weight: 500; }
.site-header__actions .nav__link:hover { color: var(--ch-red); text-decoration: none; }

/* ============================ Legal / документная страница ============================ */
.legal { padding: clamp(40px, 6vw, 80px) 0 clamp(56px, 8vw, 96px); }
.legal__wrap { max-width: 780px; margin: 0 auto; }
.legal__back { display: inline-block; font-family: var(--font-mono); font-size: 13px; letter-spacing: .04em; margin-bottom: 22px; }
.legal__title { font-size: clamp(30px, 5vw, 52px); margin-bottom: 12px; }
.legal__meta { font-family: var(--font-mono); font-size: 13.5px; color: var(--fg-3); margin: 0 0 8px; }
.legal__intro { font-size: 18px; color: var(--fg-2); margin: 24px 0 8px; }
.legal h2 { font-size: clamp(20px, 3vw, 26px); margin: 40px 0 12px; }
.legal h2 .legal__no { font-family: var(--font-mono); color: var(--ch-red); font-size: .7em; margin-right: 10px; }
.legal h3 { font-size: 18px; margin: 26px 0 8px; }
.legal p { margin: 0 0 14px; color: var(--fg-1); }
.legal ul { list-style: disc; padding-left: 24px; margin: 0 0 18px; }
.legal ul li { margin-bottom: 9px; color: var(--fg-1); }
.legal ul li::marker { color: var(--ch-red); }
.legal a { color: var(--ch-red); }
.legal__note {
  margin: 8px 0 0; padding: 18px 20px;
  background: var(--ch-cream); border-left: 3px solid var(--ch-red); border-radius: var(--r-2);
  font-size: 15px; color: var(--fg-2);
}
.legal__operator {
  margin-top: 20px; padding: 22px 24px;
  background: #fff; border: var(--border-dotted); border-radius: var(--r-3);
}
.legal__operator p { margin: 0; font-family: var(--font-mono); font-size: 13.5px; line-height: 1.8; color: var(--fg-2); }

/* ============================ Showcase (реальный скриншот) ============================ */
.showcase__frame { margin: 0; padding: 10px; box-shadow: var(--shadow-stamp); overflow: hidden; }
.showcase__img { width: 100%; height: auto; display: block; border-radius: var(--r-2); }
.showcase__cap { margin: 20px auto 0; max-width: 62ch; text-align: center; color: var(--fg-3); font-size: 15px; }

/* ============================ Audience ============================ */
.audience { background: var(--ch-cream); }
.audience__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; align-items: stretch; }
.audience__col { padding: 30px; border-radius: var(--r-3); }
.audience__col--fit { background: #fff; border: var(--border-dotted); }
.audience__col--nofit { background: transparent; border: 2px solid var(--ch-gray-200); }
.audience__h { font-size: 18px; margin-bottom: 18px; }
.audience__p { color: var(--fg-2); margin: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips li {
  font-size: 14.5px; font-weight: 500;
  padding: 9px 15px; border-radius: var(--r-pill);
  background: var(--ch-red-soft); color: var(--ch-red-deep);
}

/* ============================ Problems ============================ */
.problems__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.prob { padding: 26px; border-radius: var(--r-3); background: #fff; border: 1.5px solid var(--ch-gray-100); box-shadow: var(--shadow-soft); }
.prob__pain { font-size: 18px; font-weight: 600; color: var(--ch-ink); margin-bottom: 12px; }
.prob__pain::before { content: "✕"; color: var(--ch-red); font-weight: 700; margin-right: 8px; }
.prob__fix { color: var(--fg-2); }

/* ============================ Features ============================ */
.features__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  padding: 28px; border-radius: var(--r-3);
  background: #fff; border: 2px solid var(--ch-black);
  box-shadow: var(--shadow-stamp);
  transition: transform var(--dur-2) var(--ease-out);
}
.feature:hover { transform: translateY(-3px); }
.feature__num { font-family: var(--font-mono); font-size: 13px; color: var(--ch-red); font-weight: 700; margin-bottom: 14px; }
.feature__h { font-size: 20px; margin-bottom: 10px; }
.feature__p { color: var(--fg-2); font-size: 15.5px; }

/* ============================ Lodging (dark, killer) ============================ */
.lodging { background: var(--ch-black); color: var(--ch-paper); }
.lodging__inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.lodging .section__title { color: #fff; }
.lodging__lead { color: rgba(250,250,247,.72); font-size: 18px; margin: 0 0 24px; max-width: 46ch; }
.lodging__list { display: grid; gap: 12px; margin: 0 0 30px; }
.lodging__list li { position: relative; padding-left: 30px; color: rgba(250,250,247,.9); }
.lodging__list li::before {
  content: ""; position: absolute; left: 0; top: 7px;
  width: 14px; height: 14px; border-radius: 3px;
  background: var(--ch-red); box-shadow: 3px 3px 0 0 rgba(255,255,255,.18);
}

.rooms { padding: 18px; box-shadow: var(--shadow-stamp-red); }
.rooms__head { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); padding-bottom: 12px; margin-bottom: 6px; border-bottom: 1px dashed var(--ch-gray-200); }
.room { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 6px 12px; padding: 12px 4px; border-bottom: 1px solid var(--ch-gray-100); }
.room:last-child { border-bottom: none; }
.room__no { font-weight: 600; font-size: 15px; color: var(--ch-ink); }
.room__cap { grid-column: 1; font-size: 12.5px; color: var(--fg-3); font-family: var(--font-mono); }
.room__status { grid-column: 2; grid-row: 1 / span 2; font-family: var(--font-mono); font-size: 11px; padding: 4px 10px; border-radius: var(--r-pill); white-space: nowrap; }
.room__status--free { color: var(--status-ok); background: #E3F4E8; }
.room__status--busy { color: var(--ch-red-deep); background: var(--ch-red-soft); }
.room__status--hold { color: var(--status-warn); background: #FDF0E3; }

/* ============================ How it works ============================ */
.how__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { padding: 30px 28px; border-radius: var(--r-3); background: var(--ch-cream); border: 1.5px solid var(--ch-gray-100); }
.step__num {
  font-family: var(--font-display); font-size: 40px; line-height: 1;
  color: #fff; background: var(--ch-red);
  width: 58px; height: 58px; border: 2px solid var(--ch-black);
  border-radius: var(--r-2); display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-stamp); margin-bottom: 20px;
}
.step__h { font-size: 20px; margin-bottom: 10px; }
.step__p { color: var(--fg-2); }
.how__cta { text-align: center; margin-top: 44px; }

/* ============================ Integrations ============================ */
.integrations { background: var(--ch-cream); padding: clamp(40px, 6vw, 72px) 0; }
.integrations .kicker { text-align: center; }
.integrations__list { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.int-chip {
  font-family: var(--font-mono); font-weight: 500; font-size: 16px;
  padding: 12px 22px; background: #fff;
  border: 2px solid var(--ch-black); border-radius: var(--r-2);
  box-shadow: var(--shadow-stamp);
}

/* ============================ Mobile app ============================ */
.mobile__inner { display: grid; grid-template-columns: 1fr 0.8fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.mobile__lead { font-size: 18px; color: var(--fg-2); margin: 0 0 22px; max-width: 42ch; }
.mobile__list { display: grid; gap: 12px; }
.mobile__list li { position: relative; padding-left: 28px; color: var(--fg-1); }
.mobile__list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--status-ok); font-weight: 700; }

.mobile__visual { display: flex; justify-content: center; }
.phone {
  width: 260px; background: var(--ch-black); border-radius: 34px; padding: 12px;
  box-shadow: var(--shadow-stamp-red); position: relative;
}
.phone__notch { width: 44%; height: 20px; background: var(--ch-black); border-radius: 0 0 14px 14px; margin: 0 auto 6px; position: relative; z-index: 2; }
.phone__screen { background: var(--ch-paper); border-radius: 24px; padding: 16px 14px; }
.phone__bar { font-family: var(--font-display); font-size: 22px; color: var(--ch-ink); margin-bottom: 14px; }
.phone__card { display: flex; align-items: center; justify-content: space-between; gap: 8px; background: #fff; border: 1.5px solid var(--ch-gray-100); border-radius: var(--r-2); padding: 12px; margin-bottom: 10px; font-size: 14px; font-weight: 500; box-shadow: var(--shadow-soft); }
.phone__card--paid { border-color: #BFE6CB; }
.phone__card em { font-style: normal; }
.phone__card .tag--task { width: 10px; height: 10px; }

/* ============================ Why ============================ */
.why__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.why__col { padding: 32px; border-radius: var(--r-3); }
.why__col--muted { background: var(--ch-gray-50); border: 2px solid var(--ch-gray-200); }
.why__col--brand { background: #fff; border: 2px solid var(--ch-black); box-shadow: var(--shadow-stamp-red); }
.why__h { font-size: 20px; margin-bottom: 18px; }
.why__col--muted .why__h { color: var(--fg-3); }
.why__list { display: grid; gap: 12px; }
.why__list li { position: relative; padding-left: 28px; }
.why__col--muted .why__list li { color: var(--fg-2); }
.why__col--muted .why__list li::before { content: "–"; position: absolute; left: 6px; color: var(--ch-gray-300); }
.why__col--brand .why__list li::before { content: "✓"; position: absolute; left: 0; color: var(--ch-red); font-weight: 700; }

/* ============================ FAQ ============================ */
.faq__list { display: grid; gap: 14px; max-width: 820px; }
.faq__item { background: #fff; border: 2px solid var(--ch-black); border-radius: var(--r-3); overflow: hidden; }
.faq__item summary {
  list-style: none; cursor: pointer;
  padding: 20px 22px; font-size: 17px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after { content: "+"; font-family: var(--font-mono); font-size: 22px; color: var(--ch-red); flex: none; transition: transform var(--dur-2) var(--ease-out); }
.faq__item[open] summary::after { transform: rotate(45deg); }
.faq__body { padding: 0 22px 20px; color: var(--fg-2); }

/* ============================ Final CTA ============================ */
.final-cta { padding-bottom: clamp(64px, 9vw, 120px); }
.final-cta__inner { text-align: center; padding: clamp(40px, 6vw, 72px) 24px; background: var(--ch-red-soft); box-shadow: var(--shadow-stamp); }
.final-cta__title { font-size: clamp(28px, 4.5vw, 46px); margin: 0 auto 14px; max-width: 20ch; }
.final-cta__lead { color: var(--fg-2); margin: 0 0 28px; font-size: 18px; }
.final-cta__alt { margin: 18px 0 0; font-size: 15px; color: var(--fg-3); }

/* ============================ Footer ============================ */
.site-footer { background: var(--ch-black); color: rgba(250,250,247,.72); padding: 56px 0 28px; }
.site-footer__inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.12); }
.site-footer__logo { height: 30px; width: auto; background: var(--ch-paper); padding: 8px 12px; border-radius: var(--r-2); }
.site-footer__tag { margin: 16px 0 0; font-size: 14px; max-width: 30ch; }
.site-footer__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.site-footer__col { display: flex; flex-direction: column; gap: 10px; }
.site-footer__h { font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: rgba(250,250,247,.5); margin-bottom: 4px; }
.site-footer__col a { color: rgba(250,250,247,.82); font-size: 15px; }
.site-footer__col a:hover { color: #fff; }
.site-footer__requisites { padding: 26px 0 4px; }
.site-footer__req-lines { margin: 12px 0 0; font-family: var(--font-mono); font-size: 12.5px; line-height: 1.75; color: rgba(250,250,247,.55); }
.site-footer__bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 22px; margin-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; font-family: var(--font-mono); color: rgba(250,250,247,.5); }
.site-footer__up { color: rgba(250,250,247,.72); }

/* ============================ Responsive ============================ */
@media (max-width: 900px) {
  .hero__inner, .lodging__inner, .mobile__inner { grid-template-columns: 1fr; }
  .hero__visual, .lodging__visual { order: 2; }
  .features__grid, .how__grid { grid-template-columns: repeat(2, 1fr); }
  .problems__grid, .audience__grid, .why__grid { grid-template-columns: 1fr; }
  .mobile__visual { order: -1; }

  /* Мобильное меню через чекбокс-переключатель (без JS) */
  .nav { position: relative; }
  .nav__burger { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 40px; cursor: pointer; border-radius: var(--r-2); }
  .nav__checkbox:focus-visible ~ .nav__burger { box-shadow: var(--focus-ring); }
  .nav__list {
    position: absolute; right: 0; top: calc(100% + 12px);
    display: none; flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; border: 2px solid var(--ch-black); border-radius: var(--r-3);
    box-shadow: var(--shadow-stamp); padding: 12px; min-width: 230px;
  }
  .nav__checkbox:checked ~ .nav__list { display: flex; }
  .nav__link { padding: 11px 12px; border-radius: var(--r-2); }
  .nav__cta { margin: 6px 0 0; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero__title { font-size: 30px; }
  .section__title { font-size: 26px; }
  .features__grid, .how__grid { grid-template-columns: 1fr; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__cols { grid-template-columns: 1fr 1fr; }
  .cta-form { flex-direction: column; }
  .cta-form__input { flex: 0 0 auto; width: 100%; }
  .cta-form .btn { width: 100%; }
  .hero__trust { font-size: 12.5px; }
}

/* ============================ Reduced motion ============================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}