/* === RESET & ROOT === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #0F2A47;
  --color-primary-dark: #0A1E33;
  --color-primary-light: #1C3D5E;
  --color-accent: #B08D4F;
  --color-accent-soft: #D6B97E;
  --color-bg: #FAF8F4;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F1EDE5;
  --color-text: #1A2230;
  --color-text-muted: #5B6472;
  --color-border: #E4DFD4;
  --color-success: #2E7D5B;
  --color-error: #B23A3A;

  --font-head: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(15,42,71,.08);
  --shadow-md: 0 8px 24px rgba(15,42,71,.10);
  --shadow-lg: 0 20px 48px rgba(15,42,71,.16);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --container-max: 1200px;
  --container-pad: 24px;
  --transition: 200ms cubic-bezier(.4,0,.2,1);
  --header-h: 72px;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

section[id] { scroll-margin-top: var(--header-h); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul { list-style: none; }

/* === CONTAINER === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* === TYPOGRAPHY HELPERS === */
.overline {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
  display: block;
}
.overline--light { color: var(--color-accent-soft); }
.text-center { text-align: center; }

.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
  margin-bottom: var(--space-3);
}
.section__title--light { color: #fff; }
.section__desc {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto var(--space-6);
}
.section__desc--light { color: rgba(255,255,255,.75); }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn--sm  { padding: 10px 20px; font-size: 0.875rem; }
.btn--lg  { padding: 15px 32px; font-size: 1rem; }
.btn--full { width: 100%; }

.btn--accent {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}
.btn--accent:hover { background: var(--color-accent-soft); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-light); transform: translateY(-1px); box-shadow: var(--shadow-md); }

.btn--outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,.5);
}
.btn--outline-light:hover { border-color: #fff; background: rgba(255,255,255,.08); }

/* === HEADER === */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(10, 30, 51, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(176,141,79,.2);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Logo */
.header__logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-soft));
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  flex-shrink: 0;
}
.logo-mark--sm { width: 36px; height: 36px; font-size: 0.875rem; }
.logo-text { display: flex; flex-direction: column; gap: 1px; }
.logo-name { font-size: 0.9375rem; font-weight: 600; color: #fff; line-height: 1.2; }
.logo-sub { font-size: 0.75rem; color: rgba(255,255,255,.55); letter-spacing: 0.04em; }

/* Nav */
.nav { display: flex; align-items: center; gap: var(--space-1); margin: 0 auto; }
.nav__link {
  font-size: 0.9375rem;
  color: rgba(255,255,255,.8);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover { color: #fff; background: rgba(255,255,255,.08); }

/* Header actions */
.header__actions { display: flex; align-items: center; gap: var(--space-3); flex-shrink: 0; }
.header__phone { font-size: 0.9375rem; font-weight: 600; color: var(--color-accent-soft); }
.header__phone:hover { color: var(--color-accent); }
.header__cta { flex-shrink: 0; }

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
}
.burger span {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

.nav-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
}
.nav-overlay.active { display: block; }

/* === SECTIONS === */
.section { padding: var(--space-8) 0; }
.section--alt { background: var(--color-surface-alt); }
.section--dark { background: var(--color-primary); }

/* === HERO === */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--header-h);
  background: var(--color-primary-dark);
  position: relative;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(28,61,94,.6) 0%, transparent 70%),
    radial-gradient(circle at 10% 80%, rgba(176,141,79,.07) 0%, transparent 50%);
}
/* Subtle grid pattern */
.hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(176,141,79,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176,141,79,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.hero__overline { margin-bottom: var(--space-3); }
.hero__title {
  font-family: var(--font-head);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-4);
}
.hero__desc {
  font-size: 1.125rem;
  color: rgba(255,255,255,.7);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: var(--space-5);
}
.hero__btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__badges {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.hero__badge {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(176,141,79,.2);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  backdrop-filter: blur(8px);
}
.hero__badge-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; margin-top: 2px; }
.hero__badge-title { font-weight: 600; color: #fff; font-size: 0.9375rem; }
.hero__badge-sub { font-size: 0.8125rem; color: rgba(255,255,255,.55); margin-top: 2px; }

/* === SERVICES === */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-3);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}
.service-card__icon {
  font-size: 2rem;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(176,141,79,.12), rgba(176,141,79,.05));
  border-radius: var(--radius-md);
  flex-shrink: 0;
}
.service-card__title { font-family: var(--font-head); font-size: 1.25rem; font-weight: 600; color: var(--color-primary); }
.service-card__desc { font-size: 0.9375rem; color: var(--color-text-muted); }
.service-card__list { display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.service-card__list li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding-left: 16px;
  position: relative;
}
.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}
.service-card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-top: auto;
  transition: color var(--transition);
}
.service-card__link:hover { color: var(--color-primary); }

/* === ABOUT === */
.about__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}
.about__visual { display: flex; flex-direction: column; align-items: center; gap: var(--space-5); }
.about__avatar {
  width: 200px; height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-accent);
}
.about__monogram {
  font-family: var(--font-head);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent-soft);
}
.about__values { display: flex; flex-direction: column; gap: var(--space-2); width: 100%; max-width: 300px; }
.about__value {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px var(--space-4);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.about__value-icon { font-size: 1.25rem; flex-shrink: 0; }
.about__subtitle { font-size: 1.125rem; font-weight: 500; color: var(--color-text-muted); margin-bottom: var(--space-4); }
.about__text { color: var(--color-text); margin-bottom: var(--space-4); font-size: 1.0625rem; }
.about__motto {
  font-family: var(--font-head);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-accent);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-2) var(--space-4);
  margin: var(--space-4) 0 var(--space-5);
  background: rgba(176,141,79,.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.about__cta { margin-top: var(--space-2); }

/* === STEPS === */
.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.step {
  flex: 1;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.step__num {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.7;
  line-height: 1;
  margin-bottom: var(--space-3);
}
.step__title { font-family: var(--font-head); font-size: 1.25rem; font-weight: 600; color: var(--color-primary); margin-bottom: var(--space-2); }
.step__desc { font-size: 0.9375rem; color: var(--color-text-muted); }
.step__arrow { display: none; }

/* === ASSISTANT === */
.assistant__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-top: var(--space-5);
}

.assistant__form-wrap {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(176,141,79,.25);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}
.assistant__form { display: flex; flex-direction: column; gap: var(--space-4); }

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.form-label { font-size: 0.875rem; font-weight: 500; color: rgba(255,255,255,.85); }
.required { color: var(--color-accent-soft); }

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: #fff;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  appearance: none;
}
.form-control::placeholder { color: rgba(255,255,255,.35); }
.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255,255,255,.12);
  box-shadow: 0 0 0 3px rgba(176,141,79,.2);
}
.form-control option { background: var(--color-primary-dark); color: #fff; }
.form-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }

.form-error { font-size: 0.8125rem; color: #ff8080; min-height: 18px; }
.form-hint { font-size: 0.8125rem; color: rgba(255,255,255,.4); }

.form-group--check { gap: var(--space-2); }
.form-check { display: flex; align-items: flex-start; gap: 12px; cursor: pointer; }
.form-check input[type="checkbox"] { display: none; }
.form-check__mark {
  width: 18px; height: 18px;
  min-width: 18px;
  border: 2px solid rgba(255,255,255,.35);
  border-radius: 4px;
  margin-top: 2px;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}
.form-check input:checked ~ .form-check__mark {
  background: var(--color-accent);
  border-color: var(--color-accent);
}
.form-check input:checked ~ .form-check__mark::after {
  content: '';
  position: absolute;
  top: 2px; left: 5px;
  width: 5px; height: 9px;
  border: 2px solid var(--color-primary-dark);
  border-top: none; border-left: none;
  transform: rotate(45deg);
}
.form-check__label { font-size: 0.875rem; color: rgba(255,255,255,.7); line-height: 1.5; }

.btn__spinner { display: flex; align-items: center; gap: 8px; }
.btn__spinner svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.assistant__disclaimer {
  font-size: 0.8125rem;
  color: rgba(255,255,255,.4);
  margin-top: var(--space-3);
  line-height: 1.5;
}

/* Response area */
.assistant__response-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 400px;
  display: flex;
  flex-direction: column;
}
.assistant__response-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-7) var(--space-5);
  text-align: center;
  color: var(--color-text-muted);
}
.assistant__response-icon { font-size: 3rem; opacity: .4; }

.assistant__response-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.assistant__response-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}
.assistant__response-badge {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(176,141,79,.1);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}
.assistant__response-note { font-size: 0.75rem; color: var(--color-text-muted); }

.assistant__response-text {
  flex: 1;
  padding: var(--space-5);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text);
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
/* Markdown-like styling for response */
.assistant__response-text strong { font-weight: 600; color: var(--color-primary); }
.assistant__response-text ul, .assistant__response-text ol { margin: 8px 0 8px 20px; }
.assistant__response-text li { margin: 4px 0; }
.assistant__response-text em { color: var(--color-text-muted); font-style: italic; }

.assistant__response-cta {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.assistant__response-cta p { font-size: 0.9375rem; font-weight: 500; color: var(--color-text); }

.assistant__response-error {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-7) var(--space-5);
  text-align: center;
  color: var(--color-error);
}

/* Typing cursor */
.typing-cursor::after {
  content: '|';
  animation: blink .8s step-end infinite;
  color: var(--color-accent);
}
@keyframes blink { 50% { opacity: 0; } }

/* === FAQ === */
.faq__container { max-width: 760px; }
.accordion { margin-top: var(--space-5); display: flex; flex-direction: column; gap: var(--space-2); }
.accordion__item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 20px var(--space-5);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition), color var(--transition);
}
.accordion__trigger:hover { background: var(--color-surface-alt); }
.accordion__trigger[aria-expanded="true"] { color: var(--color-primary); }
.accordion__icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--transition);
  line-height: 1;
}
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(45deg); }
.accordion__body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, padding 300ms ease;
}
.accordion__body.open {
  max-height: 400px;
  padding: 0 var(--space-5) var(--space-5);
}
.accordion__body p { color: var(--color-text-muted); font-size: 0.9375rem; line-height: 1.7; }
.accordion__body a { color: var(--color-accent); font-weight: 500; }

/* === CONTACTS === */
.contacts__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}
.contacts__card {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(176,141,79,.3);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 480px;
}
.contacts__name { font-size: 1rem; color: rgba(255,255,255,.65); font-weight: 500; }
.contacts__phone {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-accent-soft);
  letter-spacing: -0.01em;
  transition: color var(--transition);
}
.contacts__phone:hover { color: #fff; }
.contacts__btns { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.contacts__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.contacts__emblem {
  font-family: var(--font-head);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 700;
  color: rgba(176,141,79,.12);
  letter-spacing: 0.05em;
  user-select: none;
}

/* === FOOTER === */
.footer { background: var(--color-primary-dark); padding-top: var(--space-7); }
.footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer__brand { display: flex; align-items: center; gap: 12px; }
.footer__nav { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-4); }
.footer__nav a { font-size: 0.9375rem; color: rgba(255,255,255,.6); transition: color var(--transition); }
.footer__nav a:hover { color: var(--color-accent-soft); }
.footer__contact a { font-size: 1rem; font-weight: 600; color: var(--color-accent-soft); }
.footer__contact a:hover { color: #fff; }
.footer__bottom { padding: var(--space-5) 0; }
.footer__bottom .container { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__disclaimer, .footer__copy { font-size: 0.8125rem; color: rgba(255,255,255,.35); }

/* === FOCUS STYLES === */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; border-radius: 2px; }

/* === PREFERS REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* === RESPONSIVE === */

/* === TABLET: ≥ 768px === */
@media (min-width: 768px) {
  .hero__inner { grid-template-columns: 1fr 340px; align-items: center; gap: var(--space-7); }
  .about__inner { grid-template-columns: 300px 1fr; }
  .about__visual { align-items: flex-start; }
  .steps { flex-direction: row; align-items: flex-start; }
  .step { min-width: 0; }
  .step__arrow { display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--color-accent); opacity: .5; padding-top: var(--space-4); flex-shrink: 0; }
  .assistant__layout { grid-template-columns: 1fr 1fr; }
  .contacts__inner { grid-template-columns: 1fr auto; }
}

/* === DESKTOP: ≥ 1024px === */
@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr 400px; gap: var(--space-8); }
  .about__inner { grid-template-columns: 360px 1fr; }
  .footer__inner { grid-template-columns: auto 1fr auto; }
}

/* ============================================================
   FLOATING CALL BUTTON (visible on mobile only)
   ============================================================ */
.fab-call {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 16px;
  z-index: 990;
  align-items: center;
  gap: 8px;
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 14px 20px 14px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 6px 20px rgba(15,42,71,.35), 0 0 0 0 rgba(176,141,79,.45);
  text-decoration: none;
  animation: fab-pulse 2.5s ease-out infinite;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 300ms ease, transform 150ms ease;
}
.fab-call:active { transform: scale(0.95); }
.fab-call__icon { font-size: 1.125rem; line-height: 1; }
@keyframes fab-pulse {
  0%   { box-shadow: 0 6px 20px rgba(15,42,71,.35), 0 0 0 0 rgba(176,141,79,.45); }
  65%  { box-shadow: 0 6px 20px rgba(15,42,71,.35), 0 0 0 14px rgba(176,141,79,.0); }
  100% { box-shadow: 0 6px 20px rgba(15,42,71,.35), 0 0 0 0 rgba(176,141,79,.0); }
}

/* ============================================================
   MOBILE: < 768px
   ============================================================ */
@media (max-width: 767px) {
  :root {
    --header-h: 60px;
  }

  /* --- Sections --- */
  .section { padding: var(--space-6) 0; }
  .section__desc { margin-bottom: var(--space-5); }

  /* --- Header --- */
  .header__phone,
  .header__cta { display: none; }
  .burger { display: flex; }

  /* --- Mobile Nav --- */
  .nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--color-primary-dark);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) 0 var(--space-7);
    border-top: 1px solid rgba(255,255,255,.08);
    transform: translateX(-100%);
    transition: transform 300ms ease;
    z-index: 1000;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav.open { transform: translateX(0); }
  .nav__link {
    font-size: 1.0625rem;
    padding: 15px var(--container-pad);
    width: 100%;
    border-radius: 0;
    border-bottom: 1px solid rgba(255,255,255,.05);
  }
  .nav__link:last-of-type { border-bottom: none; }
  .nav__phone-mobile {
    display: flex !important;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: var(--space-4) var(--container-pad) 0;
    padding: 14px var(--space-4);
    background: rgba(176,141,79,.1);
    border: 1px solid rgba(176,141,79,.3);
    border-radius: var(--radius-md);
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--color-accent-soft);
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
  }

  /* --- Hero --- */
  .hero__inner {
    gap: var(--space-5);
    padding-top: var(--space-5);
    padding-bottom: var(--space-6);
  }
  .hero__title { font-size: 2rem; line-height: 1.15; overflow-wrap: break-word; }
  .hero__desc { font-size: 0.9375rem; margin-bottom: var(--space-4); }
  .hero__btns { flex-direction: column; gap: var(--space-2); }
  .hero__btns .btn--lg { width: 100%; }
  .hero__badges { gap: var(--space-2); }
  .hero__badge { padding: 12px var(--space-3); gap: var(--space-2); }
  .hero__badge-icon { font-size: 1.25rem; }

  /* --- Services --- */
  .services__grid { grid-template-columns: 1fr; }
  .service-card { padding: var(--space-4); }

  /* --- About --- */
  .about__inner { gap: var(--space-5); }
  .about__avatar { width: 120px; height: 120px; }
  .about__monogram { font-size: 2.25rem; }
  .about__values { max-width: 100%; }
  .about__cta { width: 100%; display: flex; justify-content: center; }

  /* --- Steps --- */
  .steps { gap: var(--space-2); }
  .step { padding: var(--space-4); }
  .step__num { font-size: 2rem; margin-bottom: var(--space-2); }

  /* --- AI Assistant --- */
  .assistant__layout { grid-template-columns: 1fr; }
  .assistant__form-wrap { padding: var(--space-4); }
  .form-row { grid-template-columns: 1fr; }
  .assistant__response-wrap { min-height: 280px; }
  .assistant__response-placeholder { padding: var(--space-5) var(--space-4); }
  .assistant__response-text { padding: var(--space-4); }
  .assistant__response-cta {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: var(--space-2);
  }
  .assistant__response-cta .btn { width: 100%; }

  /* --- Contacts --- */
  .contacts__inner { gap: var(--space-5); }
  .contacts__card { max-width: 100%; }
  .contacts__btns { flex-wrap: wrap; }
  .contacts__btns .btn--lg { flex: 1 1 140px; }
  .contacts__visual { display: none; }

  /* --- Footer --- */
  .footer { padding-top: var(--space-5); }
  .footer__inner {
    grid-template-columns: 1fr;
    gap: var(--space-4);
    text-align: center;
    padding-bottom: var(--space-5);
  }
  .footer__brand { justify-content: center; }
  .footer__nav { justify-content: center; gap: var(--space-2) var(--space-3); }
  .footer__contact { text-align: center; }
  .footer__bottom .container { align-items: center; text-align: center; }

  /* --- Floating button --- */
  .fab-call { display: flex; }
}

/* ============================================================
   SMALL MOBILE: < 480px
   ============================================================ */
@media (max-width: 479px) {
  :root { --container-pad: 16px; }
  .hero__title { font-size: 1.875rem; }
  .assistant__form-wrap { padding: var(--space-3); }
  .contacts__card { padding: var(--space-4); }
  .contacts__btns { flex-direction: column; }
  .contacts__btns .btn--lg { width: 100%; flex: none; }
  .accordion__trigger { padding: 16px var(--space-3); font-size: 0.9375rem; }
  .accordion__body.open { padding: 0 var(--space-3) var(--space-4); }
}

/* ============================================================
   VERY SMALL: < 360px
   ============================================================ */
@media (max-width: 359px) {
  .hero__title { font-size: 1.625rem; }
  .logo-name { font-size: 0.8125rem; }
  .fab-call span:not(.fab-call__icon) { display: none; }
  .fab-call { padding: 15px; border-radius: 50%; }
}