:root {
  /* Цвета */
  --color-bg: #fbf7f2;
  --color-bg-elevated: #ffffff;
  --color-bg-soft: #f5efe6;
  --color-text: #1f1b16;
  --color-text-muted: #6b6258;
  --color-accent: #f28b45;
  --color-accent-soft: #ffe2cd;
  --color-accent-dark: #c65e2f;
  --color-border-subtle: #e0d7cc;
  --color-danger: #b94a48;
  --color-success: #2f8f5b;

  /* Типографика */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.1vw, 0.8rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.2vw, 0.95rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1.02rem + 0.4vw, 1.35rem);
  --text-xl: clamp(1.35rem, 1.2rem + 0.7vw, 1.8rem);
  --text-2xl: clamp(1.7rem, 1.5rem + 1vw, 2.4rem);

  /* Отступы и радиусы */
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  --radius-sm: 0.5rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.5rem;
  --radius-pill: 999px;

  --shadow-soft: 0 14px 40px rgba(15, 12, 10, 0.06);

  /* Ширина */
  --container-max-width: 1080px;

  /* Переходы */
  --transition-fast: 150ms ease-out;
  --transition-normal: 220ms ease-out;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #111111;
    --color-bg-elevated: #181818;
    --color-bg-soft: #1f1f1f;
    --color-text: #f5f1ea;
    --color-text-muted: #a89f96;
    --color-accent: #f1a26a;
    --color-accent-soft: #3b2619;
    --color-accent-dark: #ffb481;
    --color-border-subtle: #2c2c2c;
    --shadow-soft: 0 18px 50px rgba(0, 0, 0, 0.7);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background: radial-gradient(circle at top left, #fbe6d6 0, transparent 55%),
    radial-gradient(circle at bottom right, #e8f4ff 0, transparent 55%), var(--color-bg);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

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

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

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
}

/* Layout primitives */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 3vw, 1.75rem);
}

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

.stack--lg {
  gap: var(--space-6);
}

.stack--xl {
  gap: var(--space-8);
}

.section {
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.section--muted {
  background: color-mix(in srgb, var(--color-bg-soft) 80%, var(--color-bg) 20%);
}

.section__heading {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-4);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.15rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section__subtitle {
  max-width: 40rem;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.card {
  border-radius: var(--radius-lg);
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-soft);
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(16px);
}

.card--soft {
  box-shadow: none;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background: var(--color-bg-elevated);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.badge--accent {
  border-color: transparent;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .btn-row {
    gap: var(--space-4);
  }
}

/* Buttons */

.btn {
  --btn-bg: var(--color-bg-elevated);
  --btn-text: var(--color-text);
  --btn-border: var(--color-border-subtle);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.btn--primary {
  --btn-bg: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
  --btn-text: #fff;
  --btn-border: transparent;
  box-shadow: 0 12px 30px rgba(198, 102, 48, 0.45);
}

.btn--ghost {
  --btn-bg: rgba(255, 255, 255, 0.7);
}

.btn--link {
  --btn-bg: transparent;
  --btn-border: transparent;
  padding-inline: 0;
}

.btn:disabled {
  opacity: 0.6;
  cursor: default;
  box-shadow: none;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.12);
}

.btn--primary:hover:not(:disabled) {
  box-shadow: 0 20px 50px rgba(198, 102, 48, 0.55);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.16);
}

.btn-icon {
  font-size: 1.1em;
}

/* Focus styles */

:where(a, button, input, select, textarea) {
  outline: none;
}

:where(a, button, input, select, textarea):focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 999px;
}

/* Header & navigation */

.skip-link {
  position: absolute;
  left: -999px;
  top: 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: #fff;
  z-index: 100;
}

.skip-link:focus-visible {
  left: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--color-bg) 80%, transparent 20%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand__mark {
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 20% 0, #ffe9d7 0, transparent 55%),
    linear-gradient(135deg, #f1a26a 0%, #f38686 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
}

.brand__text {
  display: flex;
  flex-direction: column;
}

.brand__name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.brand__tagline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
  font-size: var(--text-sm);
}

@media (min-width: 768px) {
  .nav {
    display: flex;
  }
}

.nav a {
  color: var(--color-text-muted);
}

.nav a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.header-cta {
  display: none;
  max-width: 12.5rem;
  padding-inline: 0.75rem;
  font-size: var(--text-xs);
  line-height: 1.25;
  text-align: center;
  white-space: normal;
}

@media (min-width: 640px) {
  .header-cta {
    display: inline-flex;
  }
}

@media (min-width: 960px) {
  .header-cta {
    max-width: none;
    font-size: var(--text-sm);
    padding-inline: 1.2rem;
  }
}

/* Hero */

.hero {
  padding-block: clamp(2.75rem, 6vw, 4.75rem);
}

.hero-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 880px) {
  .hero-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2.5fr);
    align-items: center;
  }
}

.hero__eyebrow {
  margin-bottom: var(--space-3);
}

.hero__title {
  font-size: var(--text-2xl);
  margin: 0 0 var(--space-3);
  line-height: 1.1;
}

@media (min-width: 640px) {
  .hero__title {
    font-size: clamp(2rem, 1.7rem + 1.2vw, 2.6rem);
  }
}

.hero__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 32rem;
  margin-bottom: var(--space-4);
}

/* Stats strip */

.stats-strip {
  padding-top: 0;
}

.stats-grid {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 720px) {
  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.stat-card {
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  padding: 1rem;
  text-align: center;
}

.stat-card__value {
  margin: 0;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent-dark);
}

.stat-card__label {
  margin: 0.25rem 0 0;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-4);
}

.hero__meta-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.hero-visual {
  position: relative;
}

.hero-visual__card {
  position: relative;
  isolation: isolate;
}

.hero-visual__floating {
  position: absolute;
  right: 0.4rem;
  bottom: -0.6rem;
  transform: translateY(0);
}

@media (min-width: 880px) {
  .hero-visual__floating {
    right: -0.5rem;
    bottom: -0.9rem;
  }
}

.hero-pill {
  display: inline-flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
  font-size: var(--text-xs);
}

.hero-pill__label {
  color: var(--color-text-muted);
}

.hero-pill__value {
  font-weight: 600;
}

.hero-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* Sections: services, process, pricing, faq */

.grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.service-list {
  display: grid;
  gap: var(--space-3);
}

.service-item__title {
  font-size: var(--text-base);
  margin-bottom: 0.2rem;
}

.service-item__age {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.service-item__list {
  padding-left: 1.1rem;
  margin: 0.15rem 0 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.service-item__list li + li {
  margin-top: 0.15rem;
}

.programs-grid .service-item {
  border-top: 4px solid var(--color-accent-soft);
}

.process-steps {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .process-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: 600;
}

.step-title {
  margin-top: 0.4rem;
  font-size: var(--text-sm);
  font-weight: 600;
}

.step-text {
  margin-top: 0.25rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-highlight {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.pricing-main {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.pricing-main__value {
  font-size: var(--text-xl);
  font-weight: 600;
}

.pricing-main__unit {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: var(--text-xs);
}

.faq-list {
  display: grid;
  gap: var(--space-3);
}

.faq-item__q {
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.faq-item__a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.reviews-link {
  font-size: var(--text-sm);
  color: var(--color-accent-dark);
}

/* Contact & form */

.contact-layout {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 880px) {
  .contact-layout {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.6fr);
    align-items: start;
  }
}

.contact-list {
  display: grid;
  gap: var(--space-3);
}

.contact-row__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.contact-row__value {
  font-size: var(--text-base);
}

.contact-row__note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.form {
  display: grid;
  gap: var(--space-3);
}

.form-row {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .form-row--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: var(--text-sm);
}

.field__label {
  font-weight: 500;
}

.field__hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.field__control {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  padding: 0.6rem 0.75rem;
  background: rgba(255, 255, 255, 0.9);
  font: inherit;
  resize: vertical;
  min-height: 2.4rem;
}

.field__control::placeholder {
  color: #b3a89d;
}

.field__control:focus-visible {
  border-color: var(--color-accent);
}

.field--checkbox {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.5rem;
}

.field--checkbox input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.15rem;
}

.form-footer {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (min-width: 640px) {
  .form-footer {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
  }
}

.form-status {
  font-size: var(--text-xs);
}

.form-status--success {
  color: var(--color-success);
}

.form-status--error {
  color: var(--color-danger);
}

.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* Footer */

.site-footer {
  position: relative;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  border-top: 3px solid var(--color-accent);
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-accent-soft) 45%, var(--color-bg-soft) 55%) 0%,
    color-mix(in srgb, var(--color-bg-soft) 88%, var(--color-bg) 12%) 100%
  );
  box-shadow: 0 -12px 40px rgba(30, 22, 14, 0.08);
  font-size: var(--text-sm);
  color: var(--color-text);
}

@media (prefers-color-scheme: dark) {
  .site-footer {
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.35);
    border-top-color: var(--color-accent);
  }
}

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

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-6);
  }
}

.site-footer__copyright {
  margin: 0;
  max-width: 40rem;
  font-weight: 600;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}

.footer-links a {
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-links a:hover {
  color: var(--color-text);
}

/* Top development banner */

.site-banner {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #2f1f1f;
  color: #fff5f5;
  font-size: var(--text-xs);
}

.site-banner__inner {
  padding-block: 0.4rem;
  text-align: center;
}

.site-banner__text {
  text-transform: uppercase;
  letter-spacing: 0.06em;
}