/* ============================================================
   Lyntrix — статический лэндинг-буклет
   Палитра, шрифты и стили перенесены из основного сайта
   (tailwind.config.ts / globals.css)
   ============================================================ */

:root {
  /* Brand — бирюзово-зелёный (как в интерфейсе продукта) */
  --primary-50: #e6fffa;
  --primary-100: #b2fff0;
  --primary-200: #80ffe6;
  --primary-400: #1affd2;
  --primary-500: #00b88a;
  --primary-600: #009973;
  --primary-700: #00886a;

  /* Accent — синий */
  --accent-50: #f0f9ff;
  --accent-100: #e0f2fe;
  --accent-500: #0ea5e9;
  --accent-600: #0284c7;

  /* Нейтральные */
  --dark-50: #f8fafc;
  --dark-100: #f1f5f9;
  --dark-200: #e2e8f0;
  --dark-300: #cbd5e1;
  --dark-400: #94a3b8;
  --dark-500: #64748b;
  --dark-600: #475569;
  --dark-700: #334155;
  --dark-800: #1e293b;
  --dark-900: #0f172a;
  --dark-950: #020617;

  --red-50: #fef2f2;
  --red-100: #fee2e2;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-500: #22c55e;

  --maxw: 1180px;
  --radius: 0.75rem;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--dark-900);
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
}

img {
  max-width: 100%;
  height: auto; /* всегда сохраняем пропорции, даже если заданы width/height */
  display: block;
}

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

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section--gray {
  background: var(--dark-50);
}

.section__head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--dark-900);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--dark-600);
  line-height: 1.6;
}

.text-primary {
  color: var(--primary-500);
}

/* ===================== Navbar ===================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--dark-200);
  box-shadow: var(--shadow-sm);
}

.navbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.navbar__logo img {
  height: 4rem;
  width: auto;
}

.navbar__logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-500);
}

.navbar__links {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

.navbar__links a {
  color: var(--dark-700);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

.navbar__links a:hover {
  color: var(--primary-500);
}

.navbar__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 1rem !important;
  font-weight: 700 !important;
  color: var(--dark-900) !important;
}

.navbar__phone svg {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--primary-500);
  flex-shrink: 0;
}

.navbar__phone:hover {
  color: var(--primary-600) !important;
}

@media (min-width: 900px) {
  .navbar__links {
    display: flex;
  }
}

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  cursor: pointer;
  border: 2px solid transparent;
  line-height: 1;
}

.btn--primary {
  background: var(--primary-500);
  color: #fff;
}

.btn--primary:hover {
  background: var(--primary-600);
}

.btn--outline {
  background: #fff;
  color: var(--primary-500);
  border-color: var(--primary-500);
}

.btn--outline:hover {
  background: var(--primary-50);
}

.btn--sm {
  padding: 0.55rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn svg {
  width: 1.1em;
  height: 1.1em;
}

/* ===================== Hero ===================== */
.hero {
  padding: 5rem 0;
  background: #fff;
}

.hero__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1000px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero__proof {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--dark-600);
  margin-bottom: 1.5rem;
}

.hero__proof svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary-500);
}

.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--dark-900);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero__sub {
  font-size: 1.25rem;
  color: var(--dark-600);
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

.hero__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--dark-700);
}

.hero__list svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary-500);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__visual {
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--dark-200);
  background: var(--dark-100);
}

/* ===================== Feature directions (mon / rrc / parse / ai) ===================== */
.pillars {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .pillars {
    grid-template-columns: repeat(4, 1fr);
  }
}

.pillar {
  background: #fff;
  border: 1px solid var(--dark-100);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s, border-color 0.2s, transform 0.2s;
}

.pillar:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-200);
  transform: translateY(-3px);
}

.pillar__icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  background: var(--primary-50);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.pillar__icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.pillar h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-900);
  margin-bottom: 0.5rem;
}

.pillar p {
  color: var(--dark-600);
  font-size: 0.95rem;
  line-height: 1.55;
}

/* ===================== Benefits grid ===================== */
.benefits {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .benefits {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .benefits {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--dark-100);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.benefit:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-200);
}

.benefit__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.benefit__head svg {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--primary-500);
  flex-shrink: 0;
}

.benefit__head h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--dark-900);
}

.benefit p {
  color: var(--dark-600);
  line-height: 1.55;
  font-size: 0.95rem;
}

/* ===================== Steps (how it works) ===================== */
.steps {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1000px) {
  .step {
    flex-direction: row;
  }
  .step--reverse {
    flex-direction: row-reverse;
  }
  .step__text {
    width: 40%;
  }
  .step__img {
    width: 60%;
  }
}

.step__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.step__num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--primary-500);
  color: #fff;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.step__head h3 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--dark-900);
}

.step__text p {
  color: var(--dark-600);
  line-height: 1.65;
  font-size: 1.05rem;
  padding-left: 3.25rem;
}

.step__img {
  width: 100%;
}

.step__img .frame {
  border-radius: 0.75rem;
  overflow: hidden;
  border: 1px solid var(--dark-100);
  background: var(--dark-50);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ===================== Problem / Solution ===================== */
.ps-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 800px) {
  .ps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ps-card {
  background: var(--dark-50);
  border: 1px solid var(--dark-200);
  border-radius: var(--radius);
  overflow: hidden;
}

.ps-card__problem,
.ps-card__solution {
  padding: 1.5rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.ps-card__problem {
  background: var(--red-50);
  border-bottom: 1px solid var(--red-100);
}

.ps-card__solution {
  background: var(--green-50);
}

.ps-card__icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ps-card__problem .ps-card__icon {
  background: var(--red-100);
  color: var(--red-500);
}

.ps-card__solution .ps-card__icon {
  background: var(--green-100);
  color: var(--green-500);
}

.ps-card__icon svg {
  width: 1rem;
  height: 1rem;
}

.ps-card__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.ps-card__problem .ps-card__label {
  color: var(--red-600);
}

.ps-card__solution .ps-card__label {
  color: var(--primary-600);
}

.ps-card__text {
  color: var(--dark-800);
  font-weight: 500;
  margin-top: 0.25rem;
}

/* ===================== Stats band ===================== */
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (min-width: 800px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat__num {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  color: var(--primary-500);
  line-height: 1;
}

.stat__label {
  margin-top: 0.5rem;
  color: var(--dark-600);
  font-size: 0.95rem;
}

/* ===================== CTA band ===================== */
.cta-band {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: #fff;
  border-radius: 1.25rem;
  padding: 3.5rem 2rem;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-band p {
  font-size: 1.15rem;
  opacity: 0.95;
  max-width: 640px;
  margin: 0 auto 2rem;
}

.cta-band .btn--primary {
  background: #fff;
  color: var(--primary-600);
}

.cta-band .btn--primary:hover {
  background: var(--dark-50);
}

.cta-band .btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.7);
}

.cta-band .btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.cta-band__row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ===================== Footer ===================== */
.footer {
  background: var(--dark-950);
  color: var(--dark-300);
  padding: 3rem 0 2rem;
}

.footer__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  margin-bottom: 2rem;
}

@media (min-width: 800px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.footer__logo img {
  height: 3.5rem;
  width: auto;
}

.footer__logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-500);
}

.footer p.footer__desc {
  font-size: 0.9rem;
  color: var(--dark-400);
  margin-bottom: 1rem;
  max-width: 360px;
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.footer__contacts a {
  color: var(--dark-400);
  transition: color 0.15s;
}

.footer__contacts a:hover {
  color: var(--primary-500);
}

.footer__phone {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff !important;
}

.footer__phone svg {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--primary-500);
  flex-shrink: 0;
}

.footer__phone:hover {
  color: var(--primary-400) !important;
}

.footer h4 {
  color: #fff;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.footer ul a:hover {
  color: #fff;
}

.footer__bottom {
  border-top: 1px solid var(--dark-800);
  padding-top: 2rem;
  font-size: 0.875rem;
  color: var(--dark-400);
  text-align: center;
}

/* ===================== Reveal on scroll ===================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}