:root {
  --magenta: #B6015E;
  --purple-mid: #80137E;
  --purple: #4D259F;
  --ink: #241733;
  --ink-soft: #5B4A6E;
  --bg-light: #FBF7FA;
  --white: #FFFFFF;
  --gradient: linear-gradient(100deg, var(--magenta) 0%, var(--purple-mid) 50%, var(--purple) 100%);
  --radius: 18px;
  --max-width: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(36,23,51,0.06);
}
.navbar__inner {
  /* Intentionally NOT capped to var(--max-width): the nav has grown to
     several items and needs the full viewport width to stay on one line,
     even though the page content below stays centered at --max-width. */
  margin: 0 auto;
  padding: 10px 28px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.navbar__logo img {
  height: 44px;
  width: auto;
  display: block;
  border-radius: 10px;
}
.navbar__nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
}
.navbar__nav a {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 2px;
  position: relative;
}
.navbar__nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}
.navbar__nav a:hover::after { transform: scaleX(1); }
.navbar__nav a.is-active { color: var(--magenta); }
.navbar__nav a.is-active::after { transform: scaleX(1); }

/* ---------- Pestaña CTA: "Cotizar Servicio" ----------
   Vive dentro del menú como una pestaña más, pero con estilo de botón:
   un pulso/resplandor permanente + un brillo que la recorre en bucle,
   para que llame la atención todo el tiempo sin necesidad de hover. */
.navbar__nav-cta {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  background: var(--white);
  color: var(--magenta) !important;
  font-weight: 800;
  padding: 8px 20px;
  border-radius: 999px;
  white-space: nowrap;
  animation: navCtaGlow 1.6s ease-in-out infinite;
}
.navbar__nav-cta::after { content: none; }
.navbar__nav-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: -60%;
  width: 45%;
  height: 100%;
  background: linear-gradient(115deg, transparent, rgba(182,1,94,0.45), transparent);
  animation: navCtaShine 1.6s ease-in-out infinite;
  pointer-events: none;
}
.navbar__nav-cta:hover,
.navbar__nav-cta:hover::before { animation-play-state: paused; }

@keyframes navCtaGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255,255,255,0.55), 0 0 0 0 rgba(255,255,255,0);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(255,255,255,0.18), 0 0 24px 6px rgba(255,255,255,0.9);
    transform: scale(1.06);
  }
}
@keyframes navCtaShine {
  0% { left: -60%; }
  100% { left: 140%; }
}
@media (prefers-reduced-motion: reduce) {
  .navbar__nav-cta,
  .navbar__nav-cta::before {
    animation: none;
  }
}

.navbar__login {
  background: var(--gradient);
  color: var(--white) !important;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 999px;
  white-space: nowrap;
  transition: filter .2s ease, transform .2s ease;
}
.navbar__login:hover { filter: brightness(1.08); transform: translateY(-1px); }

.navbar__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.navbar__burger span {
  width: 24px; height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
}

/* ---------- Navbar over hero (homepage only) ----------
   The navbar sits transparent on top of the gradient hero,
   so the banner reaches all the way to the top of the page. */
.page-home .navbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: transparent;
  box-shadow: none;
}
.page-home .navbar__inner {
  max-width: none;
  padding: 20px 28px;
}
.page-home .navbar__logo img {
  height: 58px;
}
.page-home .navbar__nav a {
  color: var(--white);
}
.page-home .navbar__nav a::after {
  background: var(--white);
}
.page-home .navbar__nav a.is-active { color: var(--white); }
.page-home .navbar__login {
  background: rgba(255,255,255,0.14);
  border: 1.5px solid rgba(255,255,255,0.7);
  backdrop-filter: blur(6px);
}
.page-home .navbar__login:hover { background: rgba(255,255,255,0.24); }
.page-home .navbar__burger span { background: var(--white); }
.page-home .navbar.nav-open {
  background: rgba(36,23,51,0.94);
  backdrop-filter: blur(10px);
}

/* ---------- Navbar franja superior (páginas internas) ----------
   Misma línea gráfica que la portada: fondo con el degradado de marca,
   letras y logo en blanco, logo en la misma posición/tamaño que en inicio. */
.navbar--brand {
  background: var(--gradient);
  box-shadow: none;
}
.navbar--brand .navbar__inner { padding: 20px 28px; }
.navbar--brand .navbar__logo img { height: 58px; }
.navbar--brand .navbar__nav a { color: var(--white); }
.navbar--brand .navbar__nav a::after { background: var(--white); }
.navbar--brand .navbar__nav a.is-active { color: var(--white); }
.navbar--brand .navbar__login {
  background: rgba(255,255,255,0.14);
  border: 1.5px solid rgba(255,255,255,0.7);
  backdrop-filter: blur(6px);
}
.navbar--brand .navbar__login:hover { background: rgba(255,255,255,0.24); }
.navbar--brand .navbar__login.is-active {
  background: rgba(255,255,255,0.3);
}
.navbar--brand .navbar__burger span { background: var(--white); }
.navbar--brand.nav-open {
  background: var(--gradient);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 80px 24px;
}
.page-home .hero { padding-top: 130px; }
.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient);
  z-index: 0;
  overflow: hidden;
}
.hero__bg::before,
.hero__bg::after {
  content: "";
  position: absolute;
  width: 70%;
  padding-bottom: 70%;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
}
.hero__bg::before {
  background: var(--magenta);
  top: -20%;
  left: -15%;
  animation: floatBlob1 16s ease-in-out infinite;
}
.hero__bg::after {
  background: var(--purple);
  bottom: -25%;
  right: -15%;
  animation: floatBlob2 18s ease-in-out infinite;
}
@keyframes floatBlob1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(6%, 8%) scale(1.08); }
}
@keyframes floatBlob2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(-6%, -6%) scale(1.1); }
}
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 820px;
}
.hero__headline {
  color: var(--white);
  font-size: clamp(36px, 7vw, 68px);
  line-height: 1.15;
  font-weight: 800;
  margin: 0;
}
.hero__word {
  display: inline-block;
  opacity: 0;
  transform: translateY(16px);
  margin-right: 0.24em;
  animation-name: wordIn, wordFloat;
  animation-duration: .6s, 5s;
  animation-timing-function: ease, ease-in-out;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: forwards, none;
  animation-delay: var(--d), calc(var(--d) + .6s);
}
.hero__word--accent {
  position: relative;
}
.hero__word--accent::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  bottom: -6px;
  height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.55);
  opacity: 0;
  transform: scaleX(0.5);
  transform-origin: center;
  animation: underlinePulse 3.6s ease-in-out infinite;
  animation-delay: calc(var(--d) + 1.1s);
}
@keyframes wordIn {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes wordFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-7px); }
}
@keyframes underlinePulse {
  0%, 100% { opacity: 0; transform: scaleX(0.5); }
  50% { opacity: .85; transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__word {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero__word--accent::after { animation: none; opacity: 0; }
}

/* ---------- Eyebrow / headings ---------- */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--magenta);
  margin-bottom: 10px;
}
.eyebrow--light { color: rgba(255,255,255,0.85); }

/* ---------- Fórmula (portada) ---------- */
.formula {
  padding: 100px 0 110px;
  background: var(--bg-light);
  text-align: center;
}
.formula__eyebrow { text-align: center; }

/* Entrance animation runs on load, independent of scroll/JS, so the
   section is never left invisible if a scroll-reveal script fails to
   load or run (e.g. a stale cached JS file after a redeploy). */
.formula__eyebrow,
.formula__equation,
.formula__cta {
  animation: formulaIn .7s ease both;
}
.formula__equation { animation-delay: .12s; }
.formula__cta { animation-delay: .24s; }
@keyframes formulaIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .formula__eyebrow, .formula__equation, .formula__cta {
    animation: none;
  }
}

.formula__equation {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  max-width: 100%;
  margin: 30px auto 54px;
}
.formula__group {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
}
.formula__bracket {
  font-size: clamp(26px, 3.4vw, 44px);
  font-weight: 300;
  color: var(--ink-soft);
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}
.formula__term {
  display: inline-block;
  padding: 12px 18px;
  background: var(--white);
  border: 1.5px solid rgba(36,23,51,0.12);
  border-radius: 14px;
  font-size: clamp(12px, 1.35vw, 16px);
  font-weight: 700;
  color: var(--ink);
  box-shadow: 0 6px 18px rgba(36,23,51,0.06);
  transition: transform .25s ease, box-shadow .25s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.formula__equation:hover .formula__term { transform: translateY(-2px); }
.formula__term--accent {
  background: var(--gradient);
  color: var(--white);
  border: none;
  box-shadow: 0 12px 28px rgba(128,19,126,0.28);
}
.formula__term--result {
  background:
    linear-gradient(var(--white), var(--white)) padding-box,
    var(--gradient) border-box;
  border: 2px solid transparent;
  font-weight: 800;
}
.formula__op {
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 800;
  color: var(--magenta);
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}
.formula__op--times { color: var(--purple-mid); }
.formula__op--equals { color: var(--purple); }

.formula__cta {
  max-width: 560px;
  margin: 0 auto;
}
.formula__cta-lead {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0 0 24px;
}
.formula__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  appearance: none;
  border: none;
  background: var(--gradient);
  color: var(--white) !important;
  font-family: inherit;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(128,19,126,0.3);
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.formula__cta-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.formula__cta-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow: 0 18px 36px rgba(128,19,126,0.38);
}

/* ---------- Contacto ---------- */
.contact {
  padding: 100px 0;
  background: var(--white);
}
.contact__grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 64px;
  align-items: start;
}
.contact__title {
  margin: 14px 0 10px;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
}
.contact__lead {
  margin: 0 0 32px;
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 480px;
}
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 520px;
}
.contact__field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.contact__field label {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-soft);
}
.contact__field input,
.contact__field textarea,
.contact__field select {
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--bg-light);
  border: 1.5px solid rgba(36,23,51,0.14);
  border-radius: 12px;
  padding: 13px 16px;
  transition: border-color .2s ease, background .2s ease;
}
.contact__field textarea { resize: vertical; min-height: 100px; }
.contact__field select { cursor: pointer; }
.contact__field input:focus,
.contact__field textarea:focus,
.contact__field select:focus {
  outline: none;
  border-color: var(--magenta);
  background: var(--white);
}
/* Solo se pinta de rojo un campo inválido DESPUÉS de que la persona lo
   tocó (no apenas carga la página) — ninguno de estos inputs usa
   "placeholder", así que la vieja regla basada en :placeholder-shown
   los marcaba como inválidos desde el primer render. */
.contact__field input:user-invalid,
.contact__field textarea:user-invalid,
.contact__field select:user-invalid {
  border-color: #C0392B;
}
.contact__hint {
  font-size: 12px;
  color: var(--ink-soft);
  opacity: 0.8;
}
.contact__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.contact__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  align-self: flex-start;
  margin-top: 6px;
  background: var(--gradient);
  color: var(--white) !important;
  font-family: inherit;
  font-weight: 700;
  font-size: 15px;
  border: none;
  padding: 15px 30px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(128,19,126,0.26);
  transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
}
.contact__submit svg { width: 17px; height: 17px; }
.contact__submit:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow: 0 18px 34px rgba(128,19,126,0.34);
}
.contact__submit:disabled {
  opacity: 0.65;
  cursor: default;
  transform: none;
}
.contact__status {
  margin: 4px 0 0;
  font-size: 14.5px;
  font-weight: 600;
  min-height: 20px;
}
.contact__status--ok { color: #1F8A4C; }
.contact__status--error { color: #C0392B; }

.contact__aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 78px;
}
.contact__channel {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-light);
  border: 1.5px solid rgba(36,23,51,0.1);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.contact__channel:hover {
  transform: translateY(-3px);
  border-color: var(--magenta);
  background: var(--white);
}
.contact__channel-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
}
.contact__channel-icon svg { width: 22px; height: 22px; }
.contact__channel-text { display: flex; flex-direction: column; gap: 2px; }
.contact__channel-text strong { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
.contact__channel-text span:last-child { font-size: 15.5px; font-weight: 700; color: var(--ink); }

/* ---------- Modal: descarga del e-book ---------- */
.ebook-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  transition: opacity .25s ease, visibility .25s ease;
}
.ebook-modal.is-open {
  visibility: visible;
  opacity: 1;
}
.ebook-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(36,23,51,0.6);
  backdrop-filter: blur(3px);
}
.ebook-modal__panel {
  position: relative;
  background: var(--white);
  border-radius: 22px;
  padding: 44px 40px 36px;
  max-width: 520px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 30px 70px rgba(36,23,51,0.35);
  transform: translateY(16px) scale(.98);
  transition: transform .25s ease;
}
.ebook-modal.is-open .ebook-modal__panel { transform: translateY(0) scale(1); }
.ebook-modal__close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  appearance: none;
  border: none;
  border-radius: 50%;
  background: var(--bg-light);
  color: var(--ink-soft);
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.ebook-modal__close:hover { background: rgba(182,1,94,0.1); color: var(--magenta); }
.ebook-modal__close svg { width: 16px; height: 16px; }
.ebook-modal__title {
  margin: 14px 0 10px;
  font-size: clamp(21px, 2.6vw, 25px);
  font-weight: 800;
  line-height: 1.25;
}
.ebook-modal__lead {
  margin: 0 0 26px;
  font-size: 15.5px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.ebook-modal__form { gap: 16px; max-width: none; }
.ebook-modal__form .contact__submit { width: 100%; justify-content: center; }
.ebook-modal__step--success { text-align: center; }
.ebook-modal__step--success .ebook-modal__lead { margin-bottom: 28px; }
.ebook-modal__success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  margin-bottom: 4px;
}
.ebook-modal__success-icon svg { width: 26px; height: 26px; }
.ebook-modal__step--success .contact__submit {
  display: inline-flex;
  width: auto;
}

@media (max-width: 560px) {
  .ebook-modal__panel { padding: 36px 22px 28px; }
}

/* ---------- Footer ---------- */
footer { background: var(--ink); color: var(--white); }
.footer__bottom {
  padding: 18px 24px;
  text-align: center;
}
.footer__bottom p { margin: 0; font-size: 13px; color: rgba(255,255,255,0.55); }

/* ---------- Reveal on scroll (shared across sub-pages) ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
  transition-delay: calc(var(--i, 0) * 70ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { transition: none; opacity: 1; transform: none; }
}

/* ---------- Coming soon (placeholder pages) ---------- */
.coming-soon {
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 90px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-light);
}
.coming-soon__inner {
  position: relative;
  z-index: 1;
  max-width: 620px;
}
.coming-soon__badge {
  display: inline-block;
  background: var(--gradient);
  color: var(--white);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 7px 18px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.coming-soon__kicker {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--magenta);
  margin: 0 0 16px;
}
.coming-soon h1 {
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  color: var(--ink);
}
.coming-soon p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 38px;
}
.coming-soon__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.coming-soon__cta {
  display: inline-block;
  background: var(--gradient);
  color: var(--white) !important;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 999px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.coming-soon__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(128,19,126,0.22);
}
.coming-soon__cta--ghost {
  background: transparent;
  color: var(--ink) !important;
  border: 1.5px solid rgba(36,23,51,0.18);
}
.coming-soon__cta--ghost:hover { box-shadow: none; border-color: rgba(36,23,51,0.32); }

/* ---------- Responsive ---------- */

/* Nav collapses earlier than the layout grids: with 7 items
   (several of them long labels) it no longer fits comfortably above ~1360px. */
@media (max-width: 1360px) {
  .navbar__nav, .navbar__login { display: none; }
  .navbar__burger { display: flex; }
  .navbar.nav-open .navbar__inner {
    flex-wrap: wrap;
  }
  .navbar.nav-open .navbar__nav,
  .navbar.nav-open .navbar__login {
    display: flex;
    width: 100%;
    order: 3;
  }
  .navbar.nav-open .navbar__nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding-top: 12px;
    margin-left: 0;
  }
  .navbar.nav-open .navbar__login {
    justify-content: center;
    margin-top: 8px;
    margin-bottom: 4px;
  }
  .navbar.nav-open .navbar__nav-cta {
    margin-top: 4px;
  }
}

@media (max-width: 900px) {
  .contact__grid { grid-template-columns: 1fr; gap: 44px; }
  .contact__aside { margin-top: 0; flex-direction: row; flex-wrap: wrap; }
  .contact__channel { flex: 1; min-width: 240px; }
}

@media (max-width: 720px) {
  .coming-soon__actions { flex-direction: column; width: 100%; }
  .coming-soon__cta { width: 100%; }
  .formula { padding: 76px 0 84px; }
  .formula__equation { flex-wrap: wrap; gap: 12px; margin: 26px auto 44px; }
  .formula__group { flex-wrap: wrap; }
  .formula__term { padding: 11px 18px; white-space: normal; }
  .formula__bracket { font-size: 30px; }
  .contact { padding: 72px 0; }
  .contact__aside { flex-direction: column; }
  .contact__submit { width: 100%; }
}