/* ============================================
   DESIGN TOKENS
   ============================================ */
:root {
  /* Colors — dark UI + electric green */
  --color-bg-deep: #0a0a0a;
  --color-bg-elevated: #0d0d0d;
  --color-text: #f8fafc;
  --color-text-muted: rgba(248, 250, 252, 0.82);
  --color-accent: #00d13d;
  --color-accent-hover: #00b836;
  --color-accent-soft: rgba(0, 209, 61, 0.14);
  --color-accent-glow: rgba(0, 209, 61, 0.35);
  --color-primary: var(--color-accent);
  --color-primary-hover: var(--color-accent-hover);
  --color-primary-focus-ring: rgba(0, 209, 61, 0.45);
  --color-border-subtle: rgba(255, 255, 255, 0.1);
  --color-error: #f87171;
  --color-error-muted: rgba(248, 113, 113, 0.88);
  --color-success: #4ade80;
  --color-card-bg: rgba(255, 255, 255, 0.06);

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --fs-nav: clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --fs-body: clamp(0.8125rem, 0.78rem + 0.2vw, 0.9375rem);
  --fs-lead: clamp(0.8125rem, 0.78rem + 0.25vw, 0.9375rem);
  --fs-h1: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem);
  /* Partner block: чуть меньше первого экрана, то же начертание что hero */
  --fs-partner-title: clamp(1.35rem, 1rem + 1.05vw, 2rem);
  --fs-h2: clamp(1.125rem, 1rem + 0.6vw, 1.5rem);
  --fs-btn: clamp(0.8125rem, 0.78rem + 0.2vw, 0.875rem);
  --lh-tight: 1.15;
  --lh-body: 1.65;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;

  /* Вертикальные отступы между основными секциями (одинаковые сверху и снизу) */
  --section-padding-block: clamp(var(--space-10), 8vw, var(--space-12));

  /* Layout */
  --container-max: 120rem;
  --gutter: clamp(1rem, 3vw, 3rem);
  /* сетка секций: 12 колонок, одинаковый gap */
  --grid-12: repeat(12, minmax(0, 1fr));
  --grid-gap: var(--space-4);
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-pill: 9999px;
  --header-h: clamp(4rem, 3.5rem + 1.5vw, 5rem);

  /* Shadows */
  --shadow-header: 0 1px 0 rgba(255, 255, 255, 0.06);
  --shadow-card: 0 8px 40px rgba(0, 0, 0, 0.45);
  --shadow-btn: 0 4px 24px var(--color-accent-glow);

  /* Карточки: единый ховер (подъём + зелёный акцент + тень) */
  --card-hover-lift: -5px;
  --card-hover-border: rgba(0, 209, 61, 0.32);
  --card-hover-shadow: 0 18px 44px rgba(0, 0, 0, 0.48);
  --card-hover-ring: 0 0 0 1px rgba(0, 209, 61, 0.12);
  --card-hover-dur: 0.28s;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.2s;
}

/* ============================================
   RESET / BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg-deep);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
p {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* ============================================
   CONTAINER
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-header);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  position: relative;
}

.logo {
  flex-shrink: 0;
  font-weight: var(--fw-semibold);
  font-size: clamp(0.9375rem, 0.875rem + 0.25vw, 1.0625rem);
  letter-spacing: 0.04em;
  color: var(--color-text);
  transition: opacity var(--duration) var(--ease-out);
}

.logo:hover {
  opacity: 0.88;
}

.site-nav {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3) var(--space-3);
  max-width: 72rem;
}

.nav-list a {
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: color var(--duration) var(--ease-out);
  letter-spacing: -0.01em;
}

.nav-list a:hover {
  color: var(--color-accent);
}

.nav-list a:focus-visible {
  outline: 2px solid var(--color-primary-focus-ring);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.lang-switch {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
}

.lang-btn {
  padding: var(--space-1) var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--duration) var(--ease-out), background var(--duration) var(--ease-out);
}

.lang-btn:hover {
  color: var(--color-text);
}

.lang-btn.is-active {
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.lang-sep {
  color: rgba(248, 250, 252, 0.35);
  user-select: none;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: var(--space-2);
  flex-shrink: 0;
}

.nav-toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration) var(--ease-out), opacity var(--duration);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--header-h) + var(--space-6));
  padding-bottom: var(--section-padding-block);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--color-bg-deep);
  /* Planet (PNG with transparency) on top of SVG glow */
  background-image: url("../image/hero.png"), url("../image/hero-glow.svg");
  background-size: min(52.7vw, 37.4rem) auto, cover;
  background-position: right 6% center, center center;
  background-repeat: no-repeat, no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    90deg,
    rgba(10, 10, 10, 0.82) 0%,
    rgba(10, 10, 10, 0.45) 45%,
    rgba(10, 10, 10, 0.35) 100%
  );
  pointer-events: none;
}

.hero-layout {
  position: relative;
  z-index: 3;
  display: block;
  width: 100%;
  padding-top: clamp(2rem, 5vh, 4.5rem);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  gap: var(--space-4);
  max-width: 36rem;
}

.hero-title {
  font-size: var(--fs-h1);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  text-wrap: balance;
}

.hero-lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: var(--space-2) var(--space-6);
  font-size: var(--fs-btn);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-pill);
  transition: background var(--duration) var(--ease-out), box-shadow var(--duration) var(--ease-out),
    transform var(--duration) var(--ease-out);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary-focus-ring);
  outline-offset: 3px;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-md);
  box-shadow: none;
}

.btn-secondary:hover {
  border-color: rgba(0, 209, 61, 0.45);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-primary-focus-ring);
  outline-offset: 3px;
}

/* Feature bar */
.hero-features-wrap {
  position: relative;
  z-index: 3;
  margin-top: auto;
  padding-top: var(--space-8);
  width: 100%;
}

.feature-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
}

.feature-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition:
    transform var(--card-hover-dur) var(--ease-out),
    border-color var(--card-hover-dur) var(--ease-out),
    box-shadow var(--card-hover-dur) var(--ease-out);
}

.feature-card:hover {
  transform: translateY(var(--card-hover-lift));
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow), var(--card-hover-ring);
}

@media (prefers-reduced-motion: reduce) {
  .feature-card:hover {
    transform: none;
  }
}

.feature-card p {
  margin: 0;
  width: 100%;
  font-size: clamp(0.5625rem, 0.52rem + 0.1vw, 0.625rem);
  font-weight: var(--fw-medium);
  line-height: 1.35;
  color: var(--color-text);
  text-align: center;
  text-wrap: balance;
}

/* ============================================
   PARTNER SECTION
   ============================================ */
.partner {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-subtle);
  overflow: hidden;
}

.partner-glow {
  position: absolute;
  width: min(70vw, 50rem);
  height: min(70vw, 50rem);
  bottom: -35%;
  right: -15%;
  z-index: 0;
  pointer-events: none;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  background: radial-gradient(circle at 50% 50%, rgba(0, 209, 61, 0.14) 0%, transparent 62%);
}

.partner-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-5);
  width: 100%;
  box-sizing: border-box;
}

.partner-intro {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-3);
}

.partner-kicker {
  grid-column: 1 / -1;
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.partner-heading {
  grid-column: 1 / span 8;
  margin: 0;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

/* Вторая строка заголовка только для EN — без <br>, чтобы не ловить лишние узлы/отступы */
.partner-heading__tail {
  display: none;
  margin: 0;
  padding: 0;
}

html[lang="en"] .partner-heading__tail {
  display: block;
  margin: 0;
  padding: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  color: inherit;
}

.partner-body {
  grid-column: 3 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 52rem;
  box-sizing: border-box;
}

.partner-body p {
  font-size: var(--fs-body);
  color: var(--color-text-muted);
}

/* ============================================
   SOLUTIONS SECTION
   ============================================ */
.solutions {
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border-subtle);
}

.solutions-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.solutions-kicker {
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.solutions-title {
  margin: 0;
  max-width: 40rem;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.solutions-scroll {
  margin-top: var(--space-2);
  /* на узких экранах — горизонтальный скролл */
  overflow-x: auto;
  overflow-y: hidden;
  margin-inline: calc(-1 * var(--gutter));
  padding-inline: var(--gutter);
  padding-bottom: var(--space-3);
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 209, 61, 0.35) rgba(255, 255, 255, 0.06);
}

.solutions-scroll::-webkit-scrollbar {
  height: 6px;
}

.solutions-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
}

.solutions-scroll::-webkit-scrollbar-thumb {
  background: rgba(0, 209, 61, 0.35);
  border-radius: 3px;
}

@media (min-width: 1025px) {
  .solutions-scroll {
    overflow-x: visible;
    margin-inline: 0;
    padding-inline: 0;
    padding-bottom: 0;
    scroll-snap-type: none;
  }
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
  width: 100%;
}

@media (max-width: 1024px) {
  .solutions-grid {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: var(--space-4);
    min-width: min-content;
    padding-bottom: var(--space-1);
  }

  .solution-card {
    flex: 0 0 min(85vw, 22rem);
    scroll-snap-align: start;
    max-width: 22rem;
  }
}

.solution-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-6) var(--space-5);
  padding-top: var(--space-8);
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 42%,
    rgba(0, 0, 0, 0.25) 100%
  );
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  overflow: hidden;
  transition:
    transform var(--card-hover-dur) var(--ease-out),
    box-shadow var(--card-hover-dur) var(--ease-out),
    border-color var(--card-hover-dur) var(--ease-out);
}

.solution-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(0, 209, 61, 0.35) 55%, transparent 100%);
  opacity: 0.95;
  pointer-events: none;
}

.solution-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 100% 0%, rgba(0, 209, 61, 0.07) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--card-hover-dur) var(--ease-out);
  pointer-events: none;
}

.solution-card:hover {
  transform: translateY(var(--card-hover-lift));
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow), var(--card-hover-ring);
}

.solution-card:hover::after {
  opacity: 1;
}

.solution-card:focus-within {
  outline: 2px solid var(--color-primary-focus-ring);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .solution-card {
    transition: none;
  }

  .solution-card:hover {
    transform: none;
  }

  .solution-card::after {
    transition: none;
  }
}

.solution-card__idx {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  font-size: clamp(2rem, 2.5vw, 2.75rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(0, 209, 61, 0.2);
  pointer-events: none;
  user-select: none;
}

.solution-card__title {
  position: relative;
  z-index: 1;
  margin: 0 0 var(--space-3);
  padding-right: var(--space-8);
  font-size: clamp(0.875rem, 0.82rem + 0.2vw, 0.9375rem);
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  color: var(--color-text);
}

.solution-card__text {
  position: relative;
  z-index: 1;
  margin: 0;
  flex: 1;
  font-size: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* ============================================
   HOW WE WORK SECTION — сетка 12 кол., пайплайн этапов
   ============================================ */
.work {
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-subtle);
}

.work-inner {
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-5);
  width: 100%;
}

.work-intro {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-3);
}

.work-kicker {
  grid-column: 1 / -1;
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.work-title {
  grid-column: 1 / span 8;
  margin: 0;
  max-width: 100%;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.work-stages-label {
  grid-column: 1 / -1;
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.5);
}

.work-steps {
  counter-reset: work-step;
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--grid-gap);
  align-items: stretch;
  position: relative;
  padding-top: var(--space-6);
}

/* линия процесса (только desktop-пайплайн) */
.work-steps::before {
  content: "";
  position: absolute;
  top: 1.375rem;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    rgba(0, 209, 61, 0.15) 0%,
    rgba(0, 209, 61, 0.55) 20%,
    rgba(0, 209, 61, 0.55) 80%,
    rgba(0, 209, 61, 0.15) 100%
  );
  border-radius: 1px;
  pointer-events: none;
  z-index: 0;
}

.work-step {
  counter-increment: work-step;
  position: relative;
  z-index: 1;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-6) var(--space-2) var(--space-4);
  min-height: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: clamp(0.8125rem, 0.78rem + 0.12vw, 0.875rem);
  font-weight: var(--fw-medium);
  line-height: 1.45;
  color: var(--color-text-muted);
  transition:
    transform var(--card-hover-dur) var(--ease-out),
    border-color var(--card-hover-dur) var(--ease-out),
    box-shadow var(--card-hover-dur) var(--ease-out),
    color var(--card-hover-dur) var(--ease-out);
}

.work-step::before {
  content: counter(work-step, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -55%);
  width: 2.375rem;
  height: 2.375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  color: var(--color-bg-deep);
  background: linear-gradient(145deg, var(--color-accent) 0%, #00a832 100%);
  border-radius: 50%;
  box-shadow:
    0 0 0 3px var(--color-bg-elevated),
    0 0 0 4px rgba(0, 209, 61, 0.25);
}

.work-step:hover {
  transform: translateY(var(--card-hover-lift));
  border-color: var(--card-hover-border);
  color: var(--color-text);
  box-shadow: var(--card-hover-shadow), var(--card-hover-ring);
}

@media (max-width: 1100px) {
  .work-title {
    grid-column: 1 / -1;
  }

  .work-steps::before {
    display: none;
  }

  .work-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-top: 0;
    gap: var(--space-4);
  }

  .work-step {
    padding: var(--space-6) var(--space-3) var(--space-4);
    align-items: center;
    text-align: center;
  }

  .work-step::before {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    margin-bottom: var(--space-2);
    box-shadow: 0 0 0 3px var(--color-bg-elevated), 0 0 0 4px rgba(0, 209, 61, 0.25);
  }
}

@media (max-width: 640px) {
  .work-steps {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .work-step {
    transition: none;
  }

  .work-step:hover {
    transform: none;
  }
}

/* ============================================
   WHY SESINF SECTION
   ============================================ */
.why {
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border-subtle);
}

.why-inner {
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-6);
  width: 100%;
}

.why-intro {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-3);
}

.why-kicker {
  grid-column: 1 / -1;
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.why-title {
  grid-column: 1 / span 8;
  margin: 0;
  max-width: 100%;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.why-grid {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
}

.why-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

.why-item {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: var(--space-5);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: linear-gradient(
    155deg,
    rgba(255, 255, 255, 0.06) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  transition:
    transform var(--card-hover-dur) var(--ease-out),
    border-color var(--card-hover-dur) var(--ease-out),
    box-shadow var(--card-hover-dur) var(--ease-out);
}

.why-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 2;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(0, 209, 61, 0.25) 100%);
  pointer-events: none;
}

.why-item::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 80% at 100% 0%, rgba(0, 209, 61, 0.08) 0%, transparent 55%);
  opacity: 0;
  transition: opacity var(--card-hover-dur) var(--ease-out);
  pointer-events: none;
  z-index: 0;
}

.why-item__icon,
.why-item__title,
.why-item__text {
  position: relative;
  z-index: 1;
}

.why-item:hover {
  transform: translateY(var(--card-hover-lift));
  border-color: var(--card-hover-border);
  box-shadow: var(--card-hover-shadow), var(--card-hover-ring);
}

.why-item:hover::after {
  opacity: 1;
}

.why-item__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  margin-bottom: var(--space-3);
  color: var(--color-accent);
}

.why-svg {
  width: 3.5rem;
  height: 3.5rem;
  overflow: visible;
}

@media (prefers-reduced-motion: no-preference) {
  .why-item__icon {
    animation: why-float 5s ease-in-out infinite;
  }

  .why-item:nth-child(2) .why-item__icon {
    animation-delay: 0.4s;
  }

  .why-item:nth-child(3) .why-item__icon {
    animation-delay: 0.8s;
  }

  .why-item:nth-child(4) .why-item__icon {
    animation-delay: 1.2s;
  }

  .why-item:nth-child(5) .why-item__icon {
    animation-delay: 1.6s;
  }

  .why-arch-path {
    stroke-dasharray: 80;
    stroke-dashoffset: 80;
    animation: why-dash-arch 3.5s ease-in-out infinite;
  }

  .why-arch-dot {
    animation: why-pulse 2s ease-in-out infinite;
  }

  .why-cycle-ring {
    stroke-dasharray: 90;
    stroke-dashoffset: 90;
    transform-origin: 28px 28px;
    animation: why-dash-cycle 3.5s ease-in-out infinite;
  }

  .why-cycle-arrow {
    animation: why-pulse 2.5s ease-in-out infinite;
  }

  .why-bar {
    transform-origin: center bottom;
    animation: why-bar 2.2s ease-in-out infinite;
  }

  .why-bar--2 {
    animation-delay: 0.2s;
  }

  .why-bar--3 {
    animation-delay: 0.4s;
  }

  .why-shield {
    animation: why-shield-pulse 2.5s ease-in-out infinite;
  }

  .why-shield-lock {
    animation: why-pulse 2s ease-in-out infinite;
  }

  .why-growth-line {
    stroke-dasharray: 120;
    stroke-dashoffset: 120;
    animation: why-dash-grow 3s ease-in-out infinite;
  }

  .why-growth-head {
    animation: why-pulse 2s ease-in-out infinite;
  }

  .why-item:hover .why-svg {
    filter: drop-shadow(0 0 10px rgba(0, 209, 61, 0.35));
  }
}

@media (prefers-reduced-motion: reduce) {
  .why-item {
    transition: none;
  }

  .why-item:hover {
    transform: none;
  }

  .why-item::after {
    transition: none;
  }

  .why-item:hover::after {
    opacity: 0;
  }

  .why-item__icon,
  .why-arch-path,
  .why-arch-dot,
  .why-cycle-ring,
  .why-cycle-arrow,
  .why-bar,
  .why-shield,
  .why-shield-lock,
  .why-growth-line,
  .why-growth-head {
    animation: none !important;
  }
}

@keyframes why-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }
}

@keyframes why-dash-arch {
  0%,
  100% {
    stroke-dashoffset: 80;
  }

  50% {
    stroke-dashoffset: 0;
  }
}

@keyframes why-dash-cycle {
  0%,
  100% {
    stroke-dashoffset: 90;
  }

  50% {
    stroke-dashoffset: 0;
  }
}

@keyframes why-dash-grow {
  0%,
  100% {
    stroke-dashoffset: 120;
  }

  50% {
    stroke-dashoffset: 0;
  }
}

@keyframes why-bar {
  0%,
  100% {
    transform: scaleY(1);
  }

  50% {
    transform: scaleY(0.85);
  }
}

@keyframes why-shield-pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.65;
  }
}

@keyframes why-pulse {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.45;
  }
}

.why-item__title {
  margin: 0 0 var(--space-3);
  font-size: clamp(0.875rem, 0.82rem + 0.2vw, 0.9375rem);
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  color: var(--color-text);
}

.why-item__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text-muted);
}

@media (max-width: 1200px) {
  .why-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .why-title {
    grid-column: 1 / -1;
  }

  .why-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .why-list {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   AUDIENCE SECTION (for whom)
   ============================================ */
.audience {
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-subtle);
}

.audience-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.audience-intro {
  max-width: 44rem;
}

.audience-grid-outer {
  width: 100%;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

.audience-kicker {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.audience-title {
  margin: 0;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

/* Сетка на ширину экрана: 1 / 2 / 3+2 колонки; карточки квадратные (aspect-ratio) */
.audience-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  align-items: stretch;
  width: 100%;
}

@media (min-width: 640px) {
  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
  }
}

@media (min-width: 960px) {
  .audience-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-3);
    row-gap: var(--space-3);
  }

  .audience-card:nth-child(1) {
    grid-column: 1 / span 4;
  }

  .audience-card:nth-child(2) {
    grid-column: 5 / span 4;
  }

  .audience-card:nth-child(3) {
    grid-column: 9 / span 4;
  }

  .audience-card:nth-child(4) {
    grid-column: 1 / span 6;
  }

  .audience-card:nth-child(5) {
    grid-column: 7 / span 6;
  }
}

.audience-card {
  position: relative;
  margin: 0;
  width: 100%;
  min-width: 0;
  min-height: 0;
  aspect-ratio: 1 / 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4);
  padding-top: var(--space-5);
  box-sizing: border-box;
  background-color: #14161c;
  background-image: var(--audience-card-bg, none);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 1px solid rgba(0, 209, 61, 0.42);
  border-radius: calc(var(--radius-md) + 2px);
  /* Внутренняя тень повторяет скругление — затемняет низ и нижние «дуги» по контуру */
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.28),
    inset 0 -140px 120px -35px rgb(8, 10, 14),
    inset 0 -24px 32px 0 rgb(8, 10, 14);
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--card-hover-dur) var(--ease-out),
    border-color var(--card-hover-dur) var(--ease-out),
    box-shadow var(--card-hover-dur) var(--ease-out);
}

.audience-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 3;
  background: linear-gradient(90deg, var(--color-accent) 0%, rgba(0, 209, 61, 0.35) 55%, transparent 100%);
  opacity: 0.95;
  pointer-events: none;
}

/* Оверлей чуть больше блока (-3px), явный radius — без просветов по скруглению снизу */
.audience-card::after {
  content: "";
  position: absolute;
  top: -3px;
  right: -3px;
  bottom: -3px;
  left: -3px;
  border-radius: calc(var(--radius-md) + 2px);
  background: linear-gradient(
    to top,
    rgb(8, 10, 14) 0%,
    rgb(8, 10, 14) 18%,
    rgba(8, 10, 14, 0.88) 42%,
    rgba(8, 10, 14, 0.4) 68%,
    transparent 100%
  );
  /* Обводка поверх фото и градиента (слой выше картинки) */
  box-shadow: inset 0 0 0 1px rgba(0, 209, 61, 0.48);
  transition: box-shadow var(--card-hover-dur) var(--ease-out);
  pointer-events: none;
  z-index: 1;
}

.audience-card__title,
.audience-card__text {
  position: relative;
  z-index: 2;
}

.audience-card:hover {
  transform: translateY(var(--card-hover-lift));
  border-color: rgba(0, 209, 61, 0.72);
  box-shadow:
    var(--card-hover-shadow),
    var(--card-hover-ring),
    inset 0 -140px 120px -35px rgb(8, 10, 14),
    inset 0 -24px 32px 0 rgb(8, 10, 14);
}

.audience-card:hover::after {
  box-shadow: inset 0 0 0 1px rgba(0, 209, 61, 0.65);
}

.audience-card--1 {
  --audience-card-bg: url("../image/card-1.png");
}

.audience-card--2 {
  --audience-card-bg: url("../image/card-2.png");
}

.audience-card--3 {
  --audience-card-bg: url("../image/card-3.png");
}

.audience-card--4 {
  --audience-card-bg: url("../image/card-4.png");
}

.audience-card--5 {
  --audience-card-bg: url("../image/card-5.png");
}

.audience-card__title {
  margin: 0;
  font-size: clamp(0.8125rem, 0.72rem + 0.35vw, 1rem);
  font-weight: var(--fw-semibold);
  line-height: 1.3;
  color: var(--color-text);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.55);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow: hidden;
}

.audience-card__text {
  margin: 0;
  font-size: clamp(0.75rem, 0.68rem + 0.2vw, 0.875rem);
  line-height: 1.45;
  color: rgba(248, 250, 252, 0.88);
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.55);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .audience-card {
    transition: none;
  }

  .audience-card::after {
    transition: none;
  }

  .audience-card:hover {
    transform: none;
  }
}

/* ============================================
   COOPERATION FORMATS
   ============================================ */
.cooperation {
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border-subtle);
}

.cooperation-layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-5);
  width: 100%;
  box-sizing: border-box;
}

.cooperation-header {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: var(--grid-12);
  column-gap: var(--grid-gap);
  row-gap: var(--space-3);
  min-width: 0;
}

.cooperation-kicker {
  grid-column: 1 / span 8;
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.cooperation-title {
  grid-column: 1 / span 8;
  margin: 0;
  max-width: 100%;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.cooperation-intro {
  grid-column: 3 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 52rem;
  box-sizing: border-box;
  min-width: 0;
}

.cooperation-intro p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-muted);
}

.cooperation-models-heading {
  grid-column: 1 / -1;
  margin: 0;
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  line-height: 1.3;
  color: var(--color-text);
}

.cooperation-cards {
  grid-column: 1 / -1;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  row-gap: var(--grid-gap);
  align-items: stretch;
  width: 100%;
  box-sizing: border-box;
}

.cooperation-card {
  grid-column: span 4;
  margin: 0;
  min-width: 0;
  padding: var(--space-5);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  box-sizing: border-box;
}

.cooperation-card__title {
  margin: 0;
  font-size: clamp(0.9375rem, 0.88rem + 0.2vw, 1.0625rem);
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  color: var(--color-accent);
}

.cooperation-card__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.cooperation-closing {
  grid-column: 3 / -1;
  margin: 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text);
  min-width: 0;
}

@media (max-width: 1024px) {
  .cooperation-kicker,
  .cooperation-title {
    grid-column: 1 / -1;
  }

  .cooperation-intro,
  .cooperation-closing {
    grid-column: 1 / -1;
  }

  .cooperation-cards {
    grid-template-columns: 1fr;
  }

  .cooperation-card {
    grid-column: 1 / -1;
  }
}

/* ============================================
   PROJECT / REQUEST FORM
   ============================================ */
.project {
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
  padding-block: var(--section-padding-block);
  background: var(--color-bg-deep);
  border-top: 1px solid var(--color-border-subtle);
}

.project-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  width: 100%;
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: clamp(var(--space-6), 4vw, var(--space-10));
  align-items: start;
}

.project-form-col {
  min-width: 0;
}

.project-form-shell {
  position: relative;
  min-height: 10rem;
}

.project-form[hidden] {
  display: none !important;
}

.project-form-done {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-2) 0 var(--space-4);
  text-align: left;
}

.project-form-done[hidden] {
  display: none !important;
}

.project-form-done__icon {
  color: var(--color-accent);
}

.project-form-done__svg {
  display: block;
}

.project-form-done__ring {
  stroke-dasharray: 176;
  stroke-dashoffset: 176;
  transform: rotate(-90deg);
  transform-origin: 32px 32px;
}

.project-form-done__mark {
  stroke-dasharray: 42;
  stroke-dashoffset: 42;
}

.project-form-done__svg.is-animated .project-form-done__ring {
  animation: project-form-done-ring 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.project-form-done__svg.is-animated .project-form-done__mark {
  animation: project-form-done-mark 0.45s 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes project-form-done-ring {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes project-form-done-mark {
  to {
    stroke-dashoffset: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-form-done__svg.is-animated .project-form-done__ring,
  .project-form-done__svg.is-animated .project-form-done__mark {
    animation: none;
    stroke-dashoffset: 0;
  }
}

.project-form-done__title {
  margin: 0;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.project-form-done__lead {
  margin: 0;
  max-width: 28rem;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.project-form-done__again {
  margin-top: var(--space-1);
}

.project-aside {
  padding: var(--space-5) var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.22);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.project-aside__block {
  margin: 0;
}

.project-aside__label {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-aside__value {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text);
  word-wrap: break-word;
}

.project-aside__link {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 209, 61, 0.35);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.project-aside__link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.project-intro {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 48rem;
}

.project-kicker {
  margin: 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-title {
  margin: 0;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.project-lead {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--color-text-muted);
}

.project-text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.project-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  color: rgba(248, 250, 252, 0.78);
}

.project-form-shell {
  min-width: 0;
}

.project-form[hidden] {
  display: none !important;
}

.project-form__alert {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  font-size: clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);
  line-height: 1.5;
  color: var(--color-error-muted);
  background: rgba(248, 113, 113, 0.08);
  border: 1px solid rgba(248, 113, 113, 0.35);
  border-radius: var(--radius-sm);
}

.project-form__alert[hidden] {
  display: none !important;
}

.project-form-done {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  padding: var(--space-8) var(--space-5);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.22);
}

.project-form-done[hidden] {
  display: none !important;
}

.project-form-done__icon {
  color: var(--color-accent);
  line-height: 0;
}

.project-form-done__svg .project-form-done__ring {
  stroke-dasharray: 176;
  stroke-dashoffset: 176;
  transform-origin: 32px 32px;
  transform: rotate(-90deg);
}

.project-form-done__svg .project-form-done__mark {
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
}

.project-form-done__svg.is-animated .project-form-done__ring {
  animation: projectFormDoneRing 0.7s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.project-form-done__svg.is-animated .project-form-done__mark {
  animation: projectFormDoneMark 0.45s 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes projectFormDoneRing {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes projectFormDoneMark {
  to {
    stroke-dashoffset: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .project-form-done__svg.is-animated .project-form-done__ring,
  .project-form-done__svg.is-animated .project-form-done__mark {
    animation: none;
    stroke-dashoffset: 0;
  }
}

.project-form-done__title {
  margin: 0;
  font-size: var(--fs-partner-title);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.project-form-done__lead {
  margin: 0;
  max-width: 28rem;
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.project-form-done__again {
  margin-top: var(--space-2);
}

.form-field__error {
  margin: var(--space-1) 0 0;
  min-height: 0;
  font-size: clamp(0.6875rem, 0.65rem + 0.12vw, 0.75rem);
  line-height: 1.45;
  color: var(--color-error-muted);
}

.form-field__error[hidden] {
  display: none !important;
}

.form-field__error--consent {
  margin: var(--space-2) 0 0;
}

.form-field.form-field--error > label {
  color: rgba(248, 250, 252, 0.88);
}

.form-field input.is-invalid,
.form-field textarea.is-invalid {
  border-color: rgba(248, 113, 113, 0.55);
  box-shadow: 0 0 0 1px rgba(248, 113, 113, 0.2);
}

.project-consent--error {
  outline: 1px solid rgba(248, 113, 113, 0.45);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.form-field input,
.form-field textarea {
  width: 100%;
  margin: 0;
  padding: var(--space-3) var(--space-4);
  font: inherit;
  font-size: var(--fs-body);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}

.form-field textarea {
  min-height: 7rem;
  resize: vertical;
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: rgba(248, 250, 252, 0.28);
}

.form-field input:hover,
.form-field textarea:hover {
  border-color: rgba(255, 255, 255, 0.16);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: rgba(0, 209, 61, 0.45);
  box-shadow: 0 0 0 2px rgba(0, 209, 61, 0.18);
}

.project-form__consent {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.project-consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.project-consent input[type="checkbox"] {
  flex-shrink: 0;
  width: 1.0625rem;
  height: 1.0625rem;
  margin-top: 0.2em;
  accent-color: var(--color-accent);
}

.project-consent__text {
  display: inline;
}

.project-consent__link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.project-consent__link:hover {
  color: var(--color-accent-hover);
}

.project-form__hint {
  margin: 0;
  font-size: clamp(0.6875rem, 0.65rem + 0.12vw, 0.75rem);
  line-height: 1.5;
  color: rgba(248, 250, 252, 0.45);
}

.project-form__actions {
  margin-top: var(--space-2);
}

.form-field__honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.project-form__privacy-foot {
  margin: var(--space-4) 0 0;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
}

.project-form__privacy-foot a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 0.12em;
  transition: color var(--duration) var(--ease-out);
}

.project-form__privacy-foot a:hover {
  color: var(--color-accent);
}

.project-submit {
  min-width: 12rem;
}

@media (max-width: 640px) {
  .project-form__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .project-layout {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding-block: var(--section-padding-block);
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border-subtle);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.footer-head {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: clamp(var(--space-4), 3vw, var(--space-8));
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-subtle);
}

.footer-head__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  line-height: 0;
}

.footer-head__logo:hover .footer-logo {
  opacity: 0.92;
}

.footer-logo {
  display: block;
  height: clamp(2rem, 1.5rem + 1.2vw, 2.75rem);
  width: auto;
}

.footer-head__text {
  flex: 1 1 min(0, 36rem);
  min-width: min(100%, 16rem);
}

.footer-brand__name {
  margin: 0 0 var(--space-3);
  font-size: clamp(0.875rem, 0.82rem + 0.2vw, 0.9375rem);
  font-weight: var(--fw-semibold);
  line-height: 1.35;
  color: var(--color-text);
}

.footer-brand__text {
  margin: 0;
  font-size: clamp(0.8125rem, 0.76rem + 0.18vw, 0.875rem);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.footer-blocks {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(var(--space-5), 3vw, var(--space-8));
  align-items: start;
}

.footer-block {
  min-width: 0;
}

.footer-block--contact .footer-contact__block:first-of-type {
  margin-top: 0;
}

.footer-block--contact .footer-nav__title {
  margin-bottom: var(--space-3);
}

.footer-nav__title {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-nav);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav__list a {
  font-size: var(--fs-nav);
  color: rgba(248, 250, 252, 0.78);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.footer-nav__list a:hover {
  color: var(--color-accent);
  border-bottom-color: rgba(0, 209, 61, 0.35);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-contact__block {
  margin: 0;
}

.footer-contact__label {
  margin: 0 0 var(--space-1);
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-contact__value {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--color-text);
}

.footer-contact__link {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 209, 61, 0.35);
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.footer-contact__link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.footer-block--legal .footer-nav__title {
  margin-bottom: var(--space-3);
}

.footer-legal {
  padding-top: 0;
  border-top: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-legal__name {
  margin: 0;
  font-size: clamp(0.8125rem, 0.78rem + 0.12vw, 0.875rem);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.footer-legal__line {
  margin: 0;
  font-size: clamp(0.75rem, 0.7rem + 0.12vw, 0.8125rem);
  line-height: 1.5;
  color: rgba(248, 250, 252, 0.55);
}

.footer-copy {
  margin: 0;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
  font-size: clamp(0.6875rem, 0.65rem + 0.12vw, 0.75rem);
  line-height: 1.5;
  color: rgba(248, 250, 252, 0.45);
}

@media (max-width: 1024px) {
  .footer-blocks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .footer-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-blocks {
    grid-template-columns: 1fr;
  }
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
  padding: var(--space-4) 0;
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
  background: rgba(10, 10, 10, 0.96);
  border-top: 1px solid var(--color-border-subtle);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.cookie-banner[hidden] {
  display: none !important;
}

.cookie-banner__inner {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
}

.cookie-banner__copy {
  flex: 1 1 min(100%, 40rem);
  min-width: 0;
}

.cookie-banner__lead {
  margin: 0 0 var(--space-2);
  font-size: clamp(0.8125rem, 0.76rem + 0.18vw, 0.9375rem);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.cookie-banner__body {
  margin: 0;
  font-size: clamp(0.75rem, 0.7rem + 0.15vw, 0.8125rem);
  line-height: 1.55;
  color: var(--color-text-muted);
}

.cookie-banner__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.cookie-banner__text-btn {
  font: inherit;
  font-size: var(--fs-nav);
  font-weight: var(--fw-medium);
  color: var(--color-accent);
  background: none;
  border: none;
  padding: var(--space-2) var(--space-1);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease-out);
}

.cookie-banner__text-btn:hover {
  color: var(--color-accent-hover);
}

.cookie-banner__text-btn:focus-visible {
  outline: 2px solid var(--color-primary-focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

body.cookie-banner-visible {
  padding-bottom: 7rem;
}

body.cookie-modal-open {
  overflow: hidden;
}

.cookie-modal {
  position: fixed;
  inset: 0;
  z-index: 250;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.cookie-modal[hidden] {
  display: none !important;
}

.cookie-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.cookie-modal__panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 26rem;
  max-height: min(90vh, 36rem);
  overflow-y: auto;
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: calc(var(--radius-md) + 2px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
}

.cookie-modal__title {
  margin: 0 0 var(--space-5);
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  line-height: 1.25;
  color: var(--color-text);
}

.cookie-modal__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.cookie-modal__item {
  margin: 0;
}

.cookie-modal__label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
  font-size: var(--fs-body);
  line-height: 1.45;
  color: var(--color-text);
}

.cookie-modal__label input[type="checkbox"] {
  margin-top: 0.2em;
  flex-shrink: 0;
  width: 1.0625rem;
  height: 1.0625rem;
  accent-color: var(--color-accent);
}

.cookie-modal__label input[type="checkbox"]:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

.cookie-modal__hint {
  margin: var(--space-1) 0 0 1.75rem;
  font-size: var(--fs-nav);
  line-height: 1.45;
  color: var(--color-text-muted);
}

.cookie-modal__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

@media (max-width: 640px) {
  .cookie-banner__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cookie-banner__controls {
    flex-direction: column;
    align-items: stretch;
  }

  body.cookie-banner-visible {
    padding-bottom: 10rem;
  }
}

/* ============================================
   RESPONSIVE — TABLET / MOBILE
   ============================================ */
@media (max-width: 1024px) {
  .hero-bg {
    background-size: min(78.2vw, 28.9rem) auto, cover;
    background-position: right 50% bottom 12%, center center;
  }

  .hero-copy {
    max-width: 34rem;
  }

  .hero-overlay {
    background: linear-gradient(
      180deg,
      rgba(10, 10, 10, 0.78) 0%,
      rgba(10, 10, 10, 0.55) 100%
    );
  }

  .feature-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .partner-heading {
    grid-column: 1 / -1;
  }

  .partner-body {
    grid-column: 1 / -1;
    max-width: none;
  }
}

/* Desktop / tablet: компактное меню в одну строку */
@media (min-width: 901px) {
  .nav-list {
    flex-wrap: nowrap;
    gap: var(--space-2) var(--space-3);
    max-width: none;
  }

  .nav-list a {
    font-size: clamp(0.625rem, 0.56rem + 0.2vw, 0.75rem);
  }
}

@media (max-width: 900px) {
  .logo {
    order: 1;
  }

  .lang-switch {
    order: 2;
    margin-left: auto;
  }

  .nav-toggle {
    order: 3;
  }

  .nav-list a {
    letter-spacing: normal;
  }

  .site-nav {
    flex: 1 1 100%;
    order: 4;
    max-height: 0;
    overflow: hidden;
    background: rgba(10, 10, 10, 0.97);
    border-bottom: 1px solid transparent;
    margin-inline: calc(-1 * var(--gutter));
    padding-inline: var(--gutter);
    transition: max-height 0.35s var(--ease-out), border-color var(--duration);
  }

  .site-nav.is-open {
    max-height: min(90vh, 52rem);
    overflow-y: auto;
    border-bottom-color: var(--color-border-subtle);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    padding-block: var(--space-8) var(--space-10);
    gap: var(--space-4);
    max-width: none;
  }

  .nav-list a {
    white-space: normal;
    padding-block: var(--space-6);
    border-bottom: 1px solid var(--color-border-subtle);
  }

  .nav-toggle {
    display: flex;
  }

  .site-header.nav-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.nav-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header.nav-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 640px) {
  .hero-copy {
    max-width: none;
  }

  .feature-bar {
    grid-template-columns: 1fr;
  }

  .hero-features-wrap {
    padding-top: var(--space-8);
  }

  .partner-heading {
    grid-column: 1 / -1;
  }
}

/* Эталон вёрстки от 1920px viewport (gutter, hero) — зафиксировано для Full HD */
@media (min-width: 1920px) {
  :root {
    --gutter: clamp(3rem, 4vw, 5rem);
  }

  .hero-copy {
    max-width: 42rem;
    gap: var(--space-6);
  }
}

/* 2K / 4K (от ~2560px): все rem-размеры +30% поверх эталона */
@media (min-width: 2560px) {
  html {
    font-size: 130%;
  }
}

/* ============================================
   LEGAL / PRIVACY PAGE
   ============================================ */
.legal-page {
  padding-top: calc(var(--header-h) + var(--space-6));
  padding-bottom: var(--section-padding-block);
}

.legal-page__inner {
  max-width: 52rem;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--fs-lead);
  font-weight: var(--fw-medium);
  color: var(--color-text-muted);
  transition: color var(--duration) var(--ease-out);
}

.legal-back:hover {
  color: var(--color-accent);
}

.legal-back__icon {
  font-size: 1.125em;
  line-height: 1;
}

.legal-title {
  font-size: var(--fs-h1);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-8);
  color: var(--color-text);
}

.legal-article {
  color: var(--color-text-muted);
}

.legal-section + .legal-section {
  margin-top: var(--space-8);
}

.legal-subsection {
  margin-top: var(--space-5);
}

.legal-subsection:first-of-type {
  margin-top: var(--space-4);
}

.legal-subsection__title {
  font-size: clamp(1rem, 0.92rem + 0.3vw, 1.125rem);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.legal-subsection__title + .legal-section__p {
  margin-top: 0;
}

.legal-section__title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.legal-section__p {
  margin-top: var(--space-3);
}

.legal-section__p:first-of-type,
.legal-section__title + .legal-section__p {
  margin-top: 0;
}

.legal-section__p--strong {
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}

.legal-section__p--inline {
  margin-top: var(--space-3);
}

.legal-list {
  list-style: disc;
  padding-left: 1.25rem;
  margin: var(--space-3) 0 0;
}

.legal-list li + li {
  margin-top: var(--space-2);
}

.legal-inline-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  transition: color var(--duration) var(--ease-out);
}

.legal-inline-link:hover {
  color: var(--color-accent-hover);
}

.legal-inline-link:focus-visible {
  outline: 2px solid var(--color-primary-focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}