/* ======= Design tokens & container ======= */
:root {
  /* Colors: off-white, teal accent, neutrals (WCAG-friendly) */
  --color-bg: #fafbfa;
  --color-bg-off: #f0f5f3;
  --color-accent: #0d9488;
  --color-accent-hover: #0f766e;
  --color-accent-light: #ccfbf1;
  --color-text: #1f2937;
  --color-text-muted: #4b5563;
  --color-border: #e5e7eb;
  --color-white: #ffffff;

  /* Typography: body/UI 14–17px */
  --font-main: "Merriweather", serif;
  --text-base: clamp(0.875rem, 2vw, 1.0625rem);
  --text-sm: clamp(0.8125rem, 1.5vw, 0.9375rem);
  --font-size-title: clamp(1.25rem, 3vw, 1.5rem);
  --font-size-subtitle: clamp(1rem, 2vw, 1.1rem);
  --font-size-text: var(--text-base);

  /* Spacing & radii */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --transition: 0.2s ease;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-2xl);
    padding-right: var(--space-2xl);
  }
}


/* === Заголовки (h1, h2, крупные блоки) === */
h1,
h2,
.title-for-service,
.values-title,
.title-our-city,
.title-services,
.form-deviz__title {
  font-size: var(--font-size-title);
}

/* === Подзаголовки (h3, средние блоки) === */
.subtitle-for-description,
.values-subtitle,
.form-deviz__description,
.subtitle-text,
.page-histoire .story-intro p,
.page-histoire .story-section blockquote,
.titles-footer {
  font-size: var(--font-size-subtitle);
}

/* === Обычный текст (параграфы, списки, кнопки) === */
h3,
p,
li,
.contact-item,
.footer-subtitle,
.section p,
.service-list li,
.button-white,
.button-demander,
.footer-story-button,
.form-deviz__label,
.form-deviz__input,
.form-deviz__textarea,
fieldset label,
.form-deviz__btn,
.form-devis__confirmation,
.story-intro p,
.story-section p,
.story-section blockquote p,
.copyright,
.city-title {
  font-size: var(--font-size-text);
}

body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  font-family: var(--font-main);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}
html {
  scroll-behavior: smooth;
}
/* ======= Базовые стили для ссылок ======= */
a {
  text-decoration: none;
  color: inherit;
}

/* =========== HEADER — Шапка сайта =========== */

.header-site {
  position: relative;
  width: 100%;
  min-height: 72px;
  z-index: 10;
}

#main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100002;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  transition: background-color 0.3s ease, transform 0.3s ease;
  transform: translateY(0%);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
}
body.menu-open #main-header {
  background-color: var(--color-white);
  z-index: 99998; /* ниже панели (100001), чтобы крестик в панели был виден */
}

#main-header.header-visible {
  background-color: var(--color-white);
  backdrop-filter: blur(8px);
  transform: translateY(0%);
  padding: var(--space-sm) var(--space-md);
  min-height: 56px;
}

#main-header.header-hidden {
  transform: translateY(-100%);
}

.header-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 56px;
  padding: var(--space-sm) 0;
  box-sizing: border-box;
  gap: var(--space-md);
}

.header-grid.container {
  max-width: 1300px;
}

.header-left {
  display: flex;
  align-items: center;
}

.header-brand {
  font-size: var(--font-size-title);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}
.header-brand:hover,
.header-brand:focus-visible {
  color: var(--color-accent);
}
.header-brand:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.contact-icon:hover,
.contact-icon:focus-visible {
  background: var(--color-accent-light);
  color: var(--color-accent);
  transform: scale(1.05);
}
.contact-icon:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.contact-icon svg {
  width: 24px;
  height: 24px;
}

/* =========== Burger menu =========== */
.burger-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.burger-btn:hover,
.burger-btn:focus-visible {
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.burger-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.burger-btn[aria-expanded="true"] .burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.burger-btn[aria-expanded="true"] .burger-line:nth-child(2) {
  opacity: 0;
}
.burger-btn[aria-expanded="true"] .burger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.burger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Z-index: header 100002 > drawer 100001 > overlay 100000 — ничего не перекрывает X */
.nav-menu {
  position: fixed;
  inset: 0;
  z-index: 100000;
  pointer-events: none;
  visibility: hidden;
}
.nav-menu:not([hidden]) {
  pointer-events: auto;
  visibility: visible;
}
.nav-menu__backdrop {
  position: fixed;
  inset: 0;
  z-index: 100000;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.nav-menu:not([hidden]) .nav-menu__backdrop {
  opacity: 1;
}
.nav-menu__panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 100001;
  width: min(300px, 85vw);
  height: 100vh;
  background: var(--color-white);
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
  padding: 4rem 1.5rem 2rem 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateX(100%);
  transition: transform 0.25s ease;
  isolation: isolate;
}
.nav-menu:not([hidden]) .nav-menu__panel {
  transform: translateX(0);
}
.nav-menu__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  width: 44px;
  height: 44px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-menu__close:hover,
.nav-menu__close:focus-visible {
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.nav-menu__close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.nav-menu__close-icon {
  font-size: 1.75rem;
  line-height: 1;
  font-weight: 300;
}
.nav-menu__link {
  display: block;
  padding: 0.6rem 0.75rem;
  font-size: var(--text-base);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.nav-menu__link:hover,
.nav-menu__link:focus-visible {
  background: var(--color-accent-light);
  color: var(--color-accent);
}
.nav-menu__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.nav-menu__link--contacts {
  margin-top: 0.5rem;
  font-weight: 600;
}
.nav-menu__contacts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

/* --- Hero (static, photo background) --- */
.hero {
  position: relative;
  width: 100%;
  min-height: 50vh;
  margin-top: 72px; /* ниже fixed header */
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 5rem 0 4rem;
  background: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.94) 0%,
      rgba(255, 255, 255, 0.75) 30%,
      rgba(255, 255, 255, 0.35) 55%,
      transparent 70%
    ),
    url("/assets/images/general.jpg") right center / cover no-repeat;
  background-color: var(--color-bg-off);
}
.hero__inner {
  width: 100%;
}
.hero-center-content {
  text-align: left;
  padding: 0.5rem 0;
  max-width: 520px;
}
.title-demander {
  color: #2d3e3e;
  text-align: left;
}
.title-demander p {
  margin: 0.25em 0;
}
.hero-title {
  margin: 0 0 0.25em 0;
  font-size: clamp(1.1rem, 2.8vw, 1.35rem);
  font-weight: 700;
  line-height: 1.3;
  color: inherit;
}
.title-demander p:nth-child(2),
.title-demander p:nth-child(3) {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  line-height: 1.3;
}
.title-demander p:nth-child(4),
.title-demander p:nth-child(5) {
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.4;
}
.button-demander {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.6rem 1.25rem;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-white);
  background-color: var(--color-accent);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.button-demander:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.button-demander:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* =========== НАШИ ЦЕННОСТИ (Values) =========== */

.background-section {
  background: linear-gradient(180deg, #f5f9f8 0%, #e8f0ee 100%);
  min-height: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 0 4rem;
  position: relative;
}
.values-title {
  text-align: center;
  color: var(--color-text, #2d3e3e);
  padding: 0 1rem;
  margin-bottom: 2rem;
  margin-top: 0;
  letter-spacing: 0.03em;
}

.values-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  width: 100%;
  margin: 0 auto;
  padding: 2rem 0;
  gap: var(--space-2xl);
  column-gap: var(--space-2xl);
  row-gap: var(--space-xl);
  align-items: stretch;
}

.values-wrapper article {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-width: 110px;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition);
}
.values-wrapper article:hover {
  box-shadow: var(--shadow-md);
}

.values-wrapper img {
  margin-top: 1.1rem;
  margin-bottom: 0.7rem;
  max-width: 100px;
  height: auto;
  display: block;
}

.values-subtitle {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-subtitle);
}

.subtitle-text {
  color: var(--color-text-muted);
  line-height: 1.6;
  padding: 0 var(--space-sm);
  font-size: var(--text-base);
}

/* =========== ГОРОДА — где мы работаем =========== */
.our-city {
  text-align: center;
  margin: 0;
  padding: 4rem 0 6rem;
  background: linear-gradient(180deg, #e8f0ee 0%, #dce8e5 100%);
  border-radius: 0;
}
.nowrap {
  white-space: nowrap;
}
.title-our-city {
  margin-top: 0;
  margin-bottom: 2rem;
  color: #2d3e3e;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.3;
  text-align: center;
}

.city-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2xl);
}

/* --- Одна карточка города --- */
.city {
  opacity: 0;
  transform: translateY(40px) scale(0.96);
  transition:
    opacity 1.1s cubic-bezier(0.51, 1.13, 0.42, 1.05),
    transform 1.1s cubic-bezier(0.51, 1.13, 0.42, 1.05);
}
.city.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition-delay: var(--delay, 0s);
}
.city:nth-child(1) {
  animation-delay: 0.2s;
}
.city:nth-child(2) {
  animation-delay: 0.4s;
}
.city:nth-child(3) {
  animation-delay: 0.6s;
}
.city:nth-child(4) {
  animation-delay: 0.8s;
}

.city-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 2px solid rgba(45, 62, 62, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.city:hover .city-icon {
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}
.city-icon svg {
  width: 40px;
  height: 40px;
  color: #2d6a6a;
}
.city-title {
  color: #2d3e3e;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* ===========     FOOTER            =========== */
footer {
  position: relative;
  z-index: 10;
}
.footer-page {
  background: linear-gradient(180deg, var(--color-text) 0%, #111827 100%);
  color: var(--color-white);
  padding-top: var(--space-2xl);
}
.footer-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}
.footer-section.container {
  max-width: 1300px;
}
.footer-brand-wrap {
  flex: 1 1 100%;
  max-width: 100%;
}
.footer-brand {
  font-size: var(--font-size-title);
  font-weight: 700;
  color: var(--color-white);
  transition: color var(--transition);
}
.footer-brand:hover,
.footer-brand:focus-visible {
  color: var(--color-accent-light);
}
.footer-brand:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}
.footer-box {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1 1 200px;
  max-width: 100%;
}
.footer-box p {
  margin: 0 0 0.5rem;
  line-height: 1.4;
  font-size: var(--text-base);
}
.titles-footer {
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--font-size-subtitle);
  margin-bottom: var(--space-sm);
}
.footer-subtitle {
  color: rgba(255, 255, 255, 0.85);
  font-family: var(--font-main);
}
.footer-contact-icons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}
.footer-contact-icons .contact-icon {
  color: var(--color-white);
}
.footer-contact-icons .contact-icon:hover,
.footer-contact-icons .contact-icon:focus-visible {
  color: var(--color-accent-light);
  background: rgba(255, 255, 255, 0.1);
}
.footer-copyright {
  text-align: center;
  width: 100%;
  padding: var(--space-lg);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-story-link {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  margin-top: var(--space-lg);
}
.footer-story-button {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-accent);
  background: transparent;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.footer-story-button:hover,
.footer-story-button:focus-visible {
  background: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-1px);
}
.footer-story-button:focus-visible {
  outline: 2px solid var(--color-accent-light);
  outline-offset: 2px;
}

/* =============  4. Медиа адаптивность (mobile-first 320px+) ============= */

@media (max-width: 359px) {
  .container {
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
  }
  .hero {
    padding: 4rem 0 3rem;
    min-height: 40vh;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.97) 0%,
        rgba(255, 255, 255, 0.9) 40%,
        rgba(255, 255, 255, 0.5) 70%,
        transparent 100%
      ),
      url("/assets/images/general.jpg") center center / cover no-repeat;
    background-color: var(--color-bg-off);
  }
  .hero-center-content {
    max-width: 100%;
  }
  .city-wrapper {
    gap: var(--space-xl);
  }
  .nav-panel {
    width: 100%;
  }
}

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

@media (min-width: 1024px) {
  .values-wrapper {
    grid-template-columns: repeat(4, 1fr);
  }
}