/* Mercuriy Guru — mrc- prefix */
*, *::before, *::after { box-sizing: border-box; }
html, body {
  width: 100%; max-width: 100vw; min-width: 300px; overflow-x: hidden;
  margin: 0; padding: 0;
  font-family: 'Inter', 'Manrope', system-ui, sans-serif;
  background: #16080E; color: #F8FAFC; line-height: 1.6;
}
body { padding-top: 84px; }
svg, img, canvas { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.mrc-container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 16px; }

:root {
  --mrc-bg: #16080E;
  --mrc-bg2: #210B15;
  --mrc-card: #2B101D;
  --mrc-border: rgba(245,158,11,0.28);
  --mrc-gold: #F59E0B;
  --mrc-gold2: #D97706;
  --mrc-ruby: #E11D48;
  --mrc-platinum: #E2E8F0;
  --mrc-text: #F8FAFC;
  --mrc-muted: #CBD5E1;
  --mrc-shadow: 0 10px 30px rgba(0,0,0,0.45);
}

/* Header */
.mrc-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; background: rgba(22,8,14,0.92); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--mrc-border); transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease; }
.mrc-header__inner { display: flex !important; align-items: center !important; justify-content: space-between !important; width: 100% !important; max-width: 1240px !important; margin: 0 auto !important; padding: 12px 16px !important; gap: 16px; }
.mrc-logo { display: inline-flex !important; align-items: center !important; gap: 10px !important; white-space: nowrap !important; flex-shrink: 0 !important; font-size: clamp(1rem, 4vw, 1.35rem) !important; line-height: 1.1 !important; font-weight: 700; color: var(--mrc-text); }
.mrc-logo__mark { width: 40px; height: 40px; flex-shrink: 0; }
.mrc-logo__accent { color: var(--mrc-gold); }
.mrc-nav__list { display: flex; gap: 22px; list-style: none; margin: 0; padding: 0; }
.mrc-nav__link { font-size: 0.9rem; color: var(--mrc-muted); transition: color .2s; letter-spacing: 0.04em; text-transform: uppercase; }
.mrc-nav__link:hover { color: var(--mrc-gold); }
.mrc-burger { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto !important; flex-shrink: 0 !important; }
.mrc-burger__line { width: 24px; height: 2px; background: var(--mrc-text); }
.mrc-mobile-menu { display: none !important; flex-direction: column; gap: 0; background: var(--mrc-bg); border-top: 1px solid var(--mrc-border); }
.mrc-mobile-menu.mrc-open { display: flex !important; }
.mrc-mobile-menu a { padding: 12px 16px; border-bottom: 1px solid var(--mrc-border); font-size: 0.9rem; color: var(--mrc-text); }

/* Hero */
.mrc-hero { padding: 50px 0 70px; background: radial-gradient(ellipse at 50% 0%, rgba(245,158,11,0.12), transparent 60%), linear-gradient(180deg, var(--mrc-bg2), var(--mrc-bg)); }
.mrc-hero__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 32px; align-items: center; }
.mrc-hero__badge { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(245,158,11,0.12); color: var(--mrc-gold); font-size: 0.85rem; font-weight: 600; margin-bottom: 18px; border: 1px solid var(--mrc-border); }
.mrc-hero__title { font-size: clamp(2rem,5vw,3.4rem); line-height: 1.1; margin: 0 0 18px; font-weight: 800; }
.mrc-hero__title span { color: var(--mrc-gold); text-shadow: 0 0 18px rgba(245,158,11,0.35); }
.mrc-hero__subtitle { font-size: 1.05rem; color: var(--mrc-muted); margin-bottom: 28px; max-width: 560px; }
.mrc-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.mrc-hero__svg { width: 100%; max-width: 560px; margin: 0 auto; }

/* Buttons */
.mrc-btn {
  font-size: clamp(0.75rem,2.5vw,0.95rem);
  padding: clamp(10px,2.2vw,14px) clamp(16px,3.5vw,24px);
  white-space: normal; line-height: 1.25; text-align: center; max-width: 100%;
  font-weight: 600; border-radius: 10px;
  background: linear-gradient(135deg, var(--mrc-gold), var(--mrc-gold2)); color: #16080E;
  box-shadow: 0 6px 20px rgba(245,158,11,0.3);
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: transform .2s, box-shadow .2s;
}
.mrc-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 26px rgba(245,158,11,0.45); }
.mrc-btn--ghost { background: transparent; color: var(--mrc-gold); border: 1px solid var(--mrc-gold); box-shadow: none; }
.mrc-btn--ghost:hover { background: rgba(245,158,11,0.1); }
.mrc-btn--ruby { background: linear-gradient(135deg, var(--mrc-ruby), #BE123C); color: #fff; box-shadow: 0 6px 20px rgba(225,29,72,0.3); }
.mrc-btn--full { width: 100%; }

/* Metrics */
.mrc-metrics { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; }
.mrc-metric { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 12px; padding: 16px; text-align: center; box-shadow: var(--mrc-shadow); }
.mrc-metric__value { font-size: clamp(1.4rem,4vw,2rem); font-weight: 800; color: var(--mrc-gold); }
.mrc-metric__label { font-size: 0.8rem; color: var(--mrc-muted); margin-top: 4px; }

/* Sections */
.mrc-section { padding: 70px 0; }
.mrc-section__head { text-align: center; margin-bottom: 40px; }
.mrc-section__title { font-size: clamp(1.6rem,4vw,2.4rem); margin: 0 0 12px; font-weight: 800; }
.mrc-section__title span { color: var(--mrc-ruby); }
.mrc-section__desc { color: var(--mrc-muted); max-width: 640px; margin: 0 auto; }

/* Services */
.mrc-services__grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.mrc-service { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 14px; padding: 24px; box-shadow: var(--mrc-shadow); transition: .2s; }
.mrc-service:hover { border-color: var(--mrc-gold); transform: translateY(-4px); }
.mrc-service__icon { width: 56px; height: 56px; margin-bottom: 14px; color: var(--mrc-gold); }
.mrc-service__title { font-size: 1.15rem; margin: 0 0 8px; color: var(--mrc-text); }
.mrc-service__desc { font-size: 0.92rem; color: var(--mrc-muted); margin-bottom: 12px; }
.mrc-service__features { list-style: none; padding: 0; margin: 0 0 12px; font-size: 0.85rem; color: var(--mrc-muted); }
.mrc-service__features li { padding: 4px 0; padding-left: 16px; position: relative; }
.mrc-service__features li::before { content: "◆"; position: absolute; left: 0; color: var(--mrc-gold); font-size: 0.7rem; }
.mrc-service__price { font-weight: 700; color: var(--mrc-ruby); }

/* Calculator */
.mrc-calc__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.mrc-calc__panel { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 16px; padding: 28px; box-shadow: var(--mrc-shadow); }
.mrc-fieldset { border: none; padding: 0; margin: 0 0 20px; }
.mrc-fieldset__legend { font-weight: 700; color: var(--mrc-gold); margin-bottom: 14px; font-size: 1rem; }
.mrc-field { margin-bottom: 16px; }
.mrc-label { display: block; font-size: 0.9rem; margin-bottom: 6px; color: var(--mrc-muted); }
.mrc-range { width: 100%; accent-color: var(--mrc-gold); }
.mrc-range__output { text-align: right; font-weight: 700; color: var(--mrc-gold); margin-top: 4px; }
.mrc-select, .mrc-input, .mrc-textarea {
  width: 100%; max-width: 100%; min-width: 0; box-sizing: border-box;
  padding: 10px 12px; background: rgba(22,8,14,0.6); border: 1px solid var(--mrc-border); color: var(--mrc-text); font-size: 0.95rem; border-radius: 8px;
}
.mrc-textarea { resize: vertical; min-height: 90px; }
.mrc-modes { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.mrc-mode { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 8px; border: 1px solid var(--mrc-border); border-radius: 8px; cursor: pointer; text-align: center; }
.mrc-mode input { display: none; }
.mrc-mode:has(input:checked) { border-color: var(--mrc-gold); background: rgba(245,158,11,0.12); }
.mrc-mode__name { font-weight: 600; font-size: 0.85rem; color: var(--mrc-text); }
.mrc-mode__time { font-size: 0.75rem; color: var(--mrc-muted); }
.mrc-options { display: flex; flex-direction: column; gap: 8px; }
.mrc-option { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--mrc-border); border-radius: 8px; cursor: pointer; }
.mrc-option input { accent-color: var(--mrc-gold); }
.mrc-option__cost { margin-left: auto; font-size: 0.8rem; color: var(--mrc-gold); }

/* Result */
.mrc-result__card { background: linear-gradient(160deg, rgba(245,158,11,0.08), rgba(225,29,72,0.06)); border: 1px solid var(--mrc-border); border-radius: 16px; padding: 28px; box-shadow: var(--mrc-shadow); }
.mrc-result__header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.mrc-result__badge { background: var(--mrc-gold); color: #16080E; padding: 4px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.mrc-result__mode { font-weight: 600; color: var(--mrc-ruby); }
.mrc-result__main { text-align: center; margin: 20px 0; }
.mrc-result__value { font-size: clamp(2rem,6vw,3rem); font-weight: 800; color: var(--mrc-gold); }
.mrc-result__unit { font-size: 1.2rem; color: var(--mrc-muted); }
.mrc-breakdown__row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid rgba(245,158,11,0.12); font-size: 0.9rem; }
.mrc-breakdown__total { font-weight: 700; color: var(--mrc-gold); border-bottom: none; }
.mrc-result__meta { margin: 16px 0; font-size: 0.9rem; color: var(--mrc-muted); }
.mrc-result__meta div { padding: 4px 0; }
.mrc-bar { display: flex; height: 14px; border-radius: 999px; overflow: hidden; margin: 12px 0; background: rgba(255,255,255,0.06); }
.mrc-bar__seg { height: 100%; transition: width .4s ease; }
.mrc-bar__legend { display: flex; flex-wrap: wrap; gap: 10px; font-size: 0.75rem; color: var(--mrc-muted); }
.mrc-bar__legend span { display: inline-flex; align-items: center; gap: 4px; }
.mrc-bar__dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

/* Risk matrix */
.mrc-risk__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 24px; }
.mrc-risk__list { display: flex; flex-direction: column; gap: 10px; }
.mrc-risk__item { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 12px; padding: 14px 16px; cursor: pointer; transition: .2s; }
.mrc-risk__item:hover { border-color: var(--mrc-gold); }
.mrc-risk__item.mrc-active { border-color: var(--mrc-gold); background: rgba(245,158,11,0.1); }
.mrc-risk__title { font-weight: 700; color: var(--mrc-text); margin-bottom: 4px; }
.mrc-risk__desc { font-size: 0.85rem; color: var(--mrc-muted); }
.mrc-risk__detail { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 14px; padding: 24px; box-shadow: var(--mrc-shadow); }
.mrc-risk__detail h3 { color: var(--mrc-gold); margin: 0 0 10px; }
.mrc-risk__detail p { color: var(--mrc-muted); margin: 0 0 12px; }
.mrc-risk__nums { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.mrc-risk__num { background: rgba(245,158,11,0.08); border: 1px solid var(--mrc-border); border-radius: 8px; padding: 10px; text-align: center; }
.mrc-risk__num strong { display: block; color: var(--mrc-gold); font-size: 1.1rem; }
.mrc-risk__num span { font-size: 0.75rem; color: var(--mrc-muted); }

/* Cases */
.mrc-cases__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 20px; }
.mrc-case { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 14px; padding: 24px; box-shadow: var(--mrc-shadow); }
.mrc-case__badge { display: inline-block; background: rgba(225,29,72,0.12); color: var(--mrc-ruby); padding: 4px 10px; border-radius: 999px; font-size: 0.75rem; margin-bottom: 10px; border: 1px solid rgba(225,29,72,0.3); }
.mrc-case__title { font-size: 1.1rem; margin: 0 0 10px; color: var(--mrc-text); }
.mrc-case__metrics { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.8rem; color: var(--mrc-muted); margin-bottom: 10px; }
.mrc-case__desc { font-size: 0.9rem; color: var(--mrc-muted); margin-bottom: 10px; }
.mrc-case__result { font-weight: 700; color: var(--mrc-gold); font-size: 0.9rem; }
.mrc-case-filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 24px; }
.mrc-case-filter { padding: 8px 14px; border: 1px solid var(--mrc-border); border-radius: 999px; color: var(--mrc-muted); font-size: 0.85rem; cursor: pointer; background: transparent; }
.mrc-case-filter.mrc-active { background: var(--mrc-gold); color: #16080E; border-color: var(--mrc-gold); }

/* FAQ */
.mrc-faq { max-width: 800px; margin: 0 auto; }
.mrc-faq__item { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 12px; margin-bottom: 10px; overflow: hidden; }
.mrc-faq__q { padding: 16px 20px; cursor: pointer; font-weight: 600; color: var(--mrc-text); display: flex; justify-content: space-between; align-items: center; }
.mrc-faq__q::after { content: "+"; color: var(--mrc-gold); font-size: 1.4rem; }
.mrc-faq__item.mrc-open .mrc-faq__q::after { content: "−"; }
.mrc-faq__a { padding: 0 20px 16px; color: var(--mrc-muted); display: none; }
.mrc-faq__item.mrc-open .mrc-faq__a { display: block; }

/* About */
.mrc-about__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 30px; align-items: center; }
.mrc-about__stats { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; margin: 20px 0; }
.mrc-stat { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 12px; padding: 16px; text-align: center; box-shadow: var(--mrc-shadow); }
.mrc-stat__value { font-size: 1.6rem; font-weight: 800; color: var(--mrc-gold); }
.mrc-stat__label { font-size: 0.8rem; color: var(--mrc-muted); }
.mrc-about__values { display: flex; flex-direction: column; gap: 12px; }
.mrc-value { display: flex; gap: 12px; align-items: flex-start; }
.mrc-value__icon { width: 36px; height: 36px; flex-shrink: 0; color: var(--mrc-gold); }
.mrc-value__title { font-weight: 700; color: var(--mrc-text); margin-bottom: 4px; }
.mrc-value__desc { font-size: 0.88rem; color: var(--mrc-muted); }
.mrc-about__visual { text-align: center; }

/* Contact */
.mrc-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.mrc-field--full { grid-column: 1 / -1; }
.mrc-checkbox { display: flex; flex-direction: row; align-items: flex-start; gap: 10px; }
.mrc-checkbox input[type="checkbox"] { width: 20px; height: 20px; flex-shrink: 0; accent-color: var(--mrc-gold); }
.mrc-checkbox span { font-size: 0.85rem; color: var(--mrc-muted); }
.mrc-contacts { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; margin-top: 30px; }
.mrc-contact-card { background: var(--mrc-card); border: 1px solid var(--mrc-border); border-radius: 12px; padding: 18px; text-align: center; box-shadow: var(--mrc-shadow); }
.mrc-contact-card__title { font-weight: 700; color: var(--mrc-gold); margin-bottom: 6px; font-size: 0.9rem; }
.mrc-contact-card__value { display: block; font-size: 0.9rem; margin: 4px 0; color: var(--mrc-text); }
.mrc-contact-card__sub { font-size: 0.75rem; color: var(--mrc-muted); }

/* Footer */
.mrc-footer { background: #0F0509; padding: 50px 0 20px; margin-top: 40px; border-top: 1px solid var(--mrc-border); }
.mrc-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.mrc-footer__tagline { color: var(--mrc-muted); font-size: 0.9rem; margin: 12px 0; }
.mrc-footer__col-title { color: var(--mrc-gold); font-weight: 700; margin-bottom: 10px; }
.mrc-footer__col ul { list-style: none; padding: 0; margin: 0; }
.mrc-footer__col li { padding: 4px 0; font-size: 0.85rem; color: var(--mrc-muted); }
.mrc-footer__col a:hover { color: var(--mrc-gold); }
.mrc-footer__bottom { border-top: 1px solid var(--mrc-border); margin-top: 30px; padding-top: 16px; text-align: center; font-size: 0.8rem; color: var(--mrc-muted); }

/* Modal */
.mrc-modal { position: fixed; inset: 0; z-index: 100; display: none; }
.mrc-modal.mrc-open { display: flex; align-items: center; justify-content: center; }
.mrc-modal__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.75); }
.mrc-modal__content { position: relative; background: var(--mrc-card); border: 1px solid var(--mrc-gold); border-radius: 16px; padding: 28px; max-width: 480px; width: 90%; max-height: 90vh; overflow-y: auto; box-shadow: var(--mrc-shadow); }
.mrc-modal__close { position: absolute; top: 12px; right: 16px; font-size: 1.6rem; color: var(--mrc-text); }
.mrc-modal__title { margin: 0 0 16px; color: var(--mrc-gold); }

/* Responsive */
@media (max-width: 992px) {
  .mrc-hero__grid, .mrc-calc__grid, .mrc-risk__grid, .mrc-about__grid, .mrc-form__grid {
    grid-template-columns: minmax(0,1fr) !important; flex-direction: column !important; width: 100% !important;
  }
  .mrc-services__grid { grid-template-columns: minmax(0,1fr) !important; }
  .mrc-cases__grid { grid-template-columns: minmax(0,1fr) !important; }
  .mrc-contacts { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
  .mrc-footer__grid { grid-template-columns: 1fr !important; }
  .mrc-nav { display: none; }
  .mrc-burger { display: flex; }
  .mrc-mobile-menu { display: none !important; }
  .mrc-mobile-menu.mrc-open { display: flex !important; }
  .mrc-metrics { grid-template-columns: repeat(2, minmax(0,1fr)) !important; gap: 12px; }
  .mrc-about__stats { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
  .mrc-modes { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
  input, select, textarea, .mrc-input, .mrc-select, .mrc-textarea, button, .mrc-btn {
    width: 100%; max-width: 100%; min-width: 0; white-space: normal; word-break: normal; box-sizing: border-box;
  }
  .mrc-checkbox { display: flex; flex-direction: row; align-items: flex-start; gap: 10px; }
  .mrc-checkbox input[type="checkbox"] { width: 20px; height: 20px; flex-shrink: 0; }
}
@media (max-width: 768px) {
  .mrc-metrics { grid-template-columns: repeat(2, minmax(0,1fr)) !important; gap: 12px; }
  .mrc-contacts { grid-template-columns: 1fr !important; }
  .mrc-services__grid { grid-template-columns: minmax(0,1fr) !important; }
  .mrc-risk__nums { grid-template-columns: repeat(2, minmax(0,1fr)) !important; }
}
@media (min-width: 993px) {
  .mrc-services__grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .mrc-cases__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-contacts { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .mrc-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .mrc-hero__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-calc__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-risk__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-about__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-form__grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-metrics { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .mrc-about__stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mrc-mobile-menu { display: none !important; }
  .mrc-burger { display: none; }
  .mrc-nav { display: block; }
}
.mrc-btn, button, .mrc-mode, .mrc-option {
  font-size: clamp(0.75rem,2.5vw,0.95rem);
  padding: clamp(10px,2.2vw,14px) clamp(16px,3.5vw,24px);
  white-space: normal; line-height: 1.25; text-align: center; max-width: 100%;
  box-sizing: border-box;
}