/**
 * Verodevs — монохром, «окна» в духе ранних GUI.
 * Тема: data-theme на <html> — dark (по умолчанию) и light (молочный фон).
 */
html {
  --font: "IBM Plex Mono", ui-monospace, monospace;
  --radius: 2px;
  --space: 1.25rem;
  --maxw: 72rem;
}

html[data-theme="dark"] {
  color-scheme: dark;
}

html[data-theme="light"] {
  color-scheme: light;
}

html[data-theme="dark"],
html:not([data-theme]) {
  --bg: #0a0a0a;
  --bg-elevated: #121212;
  --border: #2a2a2a;
  --border-strong: #3d3d3d;
  --text: #e8e8e8;
  --text-muted: #8a8a8a;
  --text-dim: #5c5c5c;
  --inverse: #f5f5f5;
  --inverse-text: #0a0a0a;
  --shadow-window: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  --header-bg: rgba(10, 10, 10, 0.92);
  --footer-bg: #080808;
  --titlebar-top: #1a1a1a;
  --titlebar-bottom: #141414;
  --window-dot-fill: #222;
  --window-hover-border: #4a4a4a;
  --shadow-outer: rgba(0, 0, 0, 0.35);
  --shadow-outer-hover: rgba(0, 0, 0, 0.45);
  --body-grad-a: rgba(255, 255, 255, 0.02);
  --body-scan: rgba(255, 255, 255, 0.012);
  --lang-hover-bg: rgba(255, 255, 255, 0.04);
  --btn-primary-hover-bg: #ffffff;
  --btn-primary-hover-border: #ffffff;
  --field-focus-ring: rgba(255, 255, 255, 0.06);
  --status-error: #d8d8d8;
  --overlay-opacity: 0.35;
  --overlay-vignette: rgba(0, 0, 0, 0.45);
  --mascot-p1: var(--text);
  --mascot-p2: var(--text-muted);
}

html[data-theme="light"] {
  /* Молочный тёплый фон, не «больничный» белый */
  --bg: #ebe6dc;
  --bg-elevated: #e2dcd2;
  --border: #c4bdb2;
  --border-strong: #9a948a;
  --text: #1a1917;
  --text-muted: #4d4a45;
  --text-dim: #6f6b63;
  --inverse: #1a1917;
  --inverse-text: #f5f1ea;
  --shadow-window: inset 0 1px 0 rgba(255, 255, 255, 0.65);
  --header-bg: rgba(235, 230, 220, 0.94);
  --footer-bg: #dfd8cc;
  --titlebar-top: #d8d2c8;
  --titlebar-bottom: #cec8bd;
  --window-dot-fill: #5c574e;
  --window-hover-border: #7a756b;
  --shadow-outer: rgba(0, 0, 0, 0.08);
  --shadow-outer-hover: rgba(0, 0, 0, 0.12);
  --body-grad-a: rgba(255, 255, 255, 0.35);
  --body-scan: rgba(0, 0, 0, 0.02);
  --lang-hover-bg: rgba(0, 0, 0, 0.05);
  --btn-primary-hover-bg: #0d0d0c;
  --btn-primary-hover-border: #0d0d0c;
  --field-focus-ring: rgba(0, 0, 0, 0.12);
  --status-error: #6b2a2a;
  --overlay-opacity: 0.22;
  --overlay-vignette: rgba(90, 82, 70, 0.18);
  --mascot-p1: var(--text);
  --mascot-p2: var(--text-muted);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    linear-gradient(180deg, var(--body-grad-a) 0%, transparent 36%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      var(--body-scan) 2px,
      var(--body-scan) 4px
    );
  position: relative;
  transition: background-color 0.25s ease, color 0.2s ease;
}

/* Очень лёгкий «старый экран»: шум + виньетка */
.screen-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  opacity: var(--overlay-opacity);
  background:
    radial-gradient(ellipse at center, transparent 55%, var(--overlay-vignette) 100%),
    url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  transition: opacity 0.25s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.shell {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* ——— Header ——— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg);
  backdrop-filter: blur(8px);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space);
  min-height: 3.25rem;
  padding-block: 0.65rem;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  /* text-transform: uppercase; */
  font-size: 0.95rem;
}

.logo:hover {
  text-decoration: none;
  opacity: 0.85;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Переключатель тёмная / светлая тема */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  position: relative;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.theme-toggle:hover {
  color: var(--text);
  border-color: var(--text-muted);
  background: var(--lang-hover-bg);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.theme-toggle__icon {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  inset: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

html[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: scale(0.85);
  pointer-events: none;
}

html[data-theme="light"] .theme-toggle__icon--moon {
  opacity: 0;
  transform: scale(0.85);
  pointer-events: none;
}

html[data-theme="light"] .theme-toggle__icon--sun {
  opacity: 1;
  transform: scale(1);
}

html[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: scale(1);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

.lang-btn {
  font-family: var(--font);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.45rem 0.65rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.lang-btn + .lang-btn {
  border-left: 1px solid var(--border-strong);
}

.lang-btn:hover {
  color: var(--text);
  background: var(--lang-hover-bg);
}

.lang-btn.is-active {
  background: var(--inverse);
  color: var(--inverse-text);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

/* ——— Кнопки ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-family: var(--font);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  border-color: var(--text-muted);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--inverse);
  color: var(--inverse-text);
  border-color: var(--inverse);
}

.btn-primary:hover {
  background: var(--btn-primary-hover-bg);
  border-color: var(--btn-primary-hover-border);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
}

.btn-sm {
  padding: 0.45rem 0.75rem;
  font-size: 0.7rem;
}

/* ——— Секции ——— */
.section {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.section-tight {
  padding-block: clamp(2rem, 4vw, 3rem);
}

.section-head {
  margin-bottom: 1.5rem;
}

.section-title {
  margin: 0 0 0.35rem;
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.section-lead {
  margin: 0;
  max-width: 36rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ——— Окна (Macintosh-like chrome) ——— */
.window {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-window), 0 8px 24px var(--shadow-outer);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.window:hover {
  border-color: var(--window-hover-border);
  box-shadow: var(--shadow-window), 0 12px 32px var(--shadow-outer-hover);
}

.window-titlebar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--titlebar-top) 0%, var(--titlebar-bottom) 100%);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.window-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

.window-dots::before,
.window-dots::after {
  content: "";
  width: 7px;
  height: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 1px;
  background: var(--window-dot-fill);
}

.window-title {
  flex: 1;
  text-align: center;
  padding-right: 18px; /* визуальный баланс к «точкам» */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.window-body {
  padding: clamp(1rem, 3vw, 1.35rem);
}

.prose p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ——— Hero ——— */
.hero-body {
  padding-block: clamp(1.5rem, 4vw, 2.25rem);
}

.hero-kicker {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cursor-blink {
  animation: blink 1.1s step-end infinite;
  color: var(--text-muted);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-title {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.05;
}

.hero-tagline {
  margin: 0.5rem 0 0;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 500;
  color: var(--text-muted);
}

.hero-sub {
  margin: 1rem 0 0;
  max-width: 28rem;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.hero-status {
  margin-top: 1.75rem;
  height: 3px;
  background: var(--border);
  overflow: hidden;
  border-radius: 1px;
}

.status-line {
  display: block;
  height: 100%;
  width: 28%;
  background: linear-gradient(90deg, transparent, var(--text-muted), transparent);
  animation: loadbar 2.4s ease-in-out infinite;
}

@keyframes loadbar {
  0% {
    transform: translateX(-100%);
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateX(380%);
    opacity: 0.4;
  }
}

/* ——— Сетка услуг ——— */
.service-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .service-card-wide {
    grid-column: span 2;
  }
}

.service-card .window-body p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ——— Проекты ——— */
.project-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

@media (min-width: 720px) {
  .project-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.project-card .window-body p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ——— Почему мы ——— */
.why-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.why-list li {
  margin-bottom: 0.65rem;
}

.why-list li:last-child {
  margin-bottom: 0;
}

/* ——— Форма ——— */
.section-form {
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

/* Форма + пиксельный маскот в две колонки на широком экране */
.form-split {
  display: grid;
  gap: 1.25rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .form-split {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 320px);
    align-items: start;
  }
}

.form-split .window-form {
  min-width: 0;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 28rem;
}

@media (min-width: 900px) {
  .form-split .lead-form {
    max-width: none;
  }
}

.form-mascot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 12rem;
}

.form-mascot__frame {
  width: 100%;
  max-width: 280px;
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-window), 0 8px 20px var(--shadow-outer);
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.form-mascot__label {
  margin: 0 0 0.65rem;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.form-mascot__svg {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  margin-inline: auto;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.form-mascot__svg .mascot-p1 {
  fill: var(--mascot-p1);
}

.form-mascot__svg .mascot-p2 {
  fill: var(--mascot-p2);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.field input,
.field textarea,
.field select {
  font-family: var(--font);
  font-size: 0.88rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 0.6rem 0.75rem;
  resize: vertical;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--text-muted);
  box-shadow: 0 0 0 1px var(--field-focus-ring);
}

.phone-field {
  display: grid;
  grid-template-columns: minmax(11rem, 14rem) minmax(0, 1fr);
  gap: 0.5rem;
}

.country-code {
  min-width: 0;
  cursor: pointer;
}

.phone-field input {
  min-width: 0;
}

@media (max-width: 520px) {
  .phone-field {
    grid-template-columns: 1fr;
  }
}

.form-hint {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.form-status {
  margin: 0;
  min-height: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-status.is-error {
  color: var(--status-error);
}

.form-status.is-ok {
  color: var(--text);
}

/* ——— Footer ——— */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
  background: var(--footer-bg);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.footer-tag {
  margin: 0.35rem 0 0;
  font-size: 0.82rem;
  color: var(--text-dim);
  max-width: 22rem;
}

.footer-copy {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

/* Уважение к prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .cursor-blink,
  .status-line {
    animation: none;
  }

  .cursor-blink {
    opacity: 1;
  }
}
