/* ===== UltraNails — Воздушный минимализм ===== */

:root {
  --color-bg: #F9F8F6;
  --color-surface: #FFFFFF;
  --color-primary: #B5838D;
  --color-primary-hover: #9B6B76;
  --color-primary-light: #F5F0F1;
  --color-text: #2C2A2B;
  --color-text-secondary: #7A7678;
  --color-text-muted: #A09C9E;
  --color-border: #E8E5E3;
  --color-border-light: #F0EDEB;
  --sidebar-width: 260px;
  --content-max: 960px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 3px rgba(44,42,43,0.04), 0 1px 2px rgba(44,42,43,0.03);
  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition: 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* ===== Shell Layout ===== */
.shell {
  display: flex;
  align-items: stretch;
  min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
  flex: 0 0 var(--sidebar-width);
  width: var(--sidebar-width);
  padding: 32px 24px;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border-light);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-logo .brand {
  font-size: 26px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--color-text);
}

.sidebar-logo .brand span {
  color: var(--color-primary);
}

.sidebar-logo .tagline {
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  line-height: 1.5;
}

.sidenav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.sidenav a {
  display: block;
  padding: 10px 14px;
  font-size: 15px;
  font-weight: 480;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.01em;
}

.sidenav a:hover,
.sidenav a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

.sidebar-phone {
  font-size: 15px;
  font-weight: 550;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.sidebar-address {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Content Column ===== */
.content-col {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-width: 0;
}

/* ===== Content Header ===== */
.content-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  box-sizing: border-box;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 16px 40px;
}

.header-login-link {
  font-size: 14px;
  font-weight: 480;
  color: var(--color-text-secondary);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

.header-login-link:hover {
  color: var(--color-primary);
}

.header-phone {
  font-size: 15px;
  font-weight: 550;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 550;
  font-family: var(--font-sans);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary-light);
}

/* ===== Main Content ===== */
main {
  display: block;
  box-sizing: border-box;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 48px 0;
}

.section + .section {
  border-top: 1px solid var(--color-border-light);
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.section-title {
  font-size: 32px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--color-text);
}

.section-subtitle {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 600px;
}

/* ===== Hero Section ===== */
.hero-section {
  padding: 32px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-text h1 {
  font-size: 40px;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--color-text);
}

.hero-text p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 440px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--color-border-light);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-visual-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f5f0f1 0%, #ede6e8 50%, #f0e8e9 100%);
  color: var(--color-text-muted);
  font-size: 15px;
  text-align: center;
  padding: 40px;
  line-height: 1.6;
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-text p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 8px;
}

.highlight-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.highlight-card .hl-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.highlight-card .hl-value {
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.highlight-card .hl-label {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== Services Section ===== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--transition);
}

.service-card:hover {
  border-color: var(--color-border);
}

.service-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-text);
  line-height: 1.3;
}

.service-price {
  font-size: 20px;
  font-weight: 650;
  color: var(--color-primary);
  white-space: nowrap;
  letter-spacing: -0.02em;
}

.service-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  flex: 1;
}

.service-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--color-text-muted);
  padding-top: 8px;
  border-top: 1px solid var(--color-border-light);
}

.service-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

/* ===== Gallery Section ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: var(--color-border-light);
  cursor: pointer;
  transition: transform var(--transition);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f5f0f1, #ede6e8);
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
  padding: 16px;
  line-height: 1.5;
}

/* ===== Reviews & CTA Section ===== */
.cta-section {
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.cta-section .section-title {
  font-size: 28px;
}

.cta-section p {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 500px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-contacts {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}

.cta-contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 14px;
}

.cta-contact-item strong {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
}

.cta-contact-item span {
  color: var(--color-text-muted);
  font-size: 13px;
}

/* ===== Footer ===== */
.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 32px 40px;
  margin-top: auto;
  border-top: 1px solid var(--color-border-light);
  max-width: var(--content-max);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.footer-brand {
  font-size: 14px;
  color: var(--color-text-muted);
}

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-left: auto;
}

.footer-nav a {
  font-size: 14px;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-primary);
}

/* ===== Mobile Toggle ===== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--color-text);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-visual {
    aspect-ratio: 3 / 2;
    max-height: 380px;
  }

  .hero-text h1 {
    font-size: 32px;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .shell {
    flex-direction: column;
  }

  .sidebar {
    flex: 0 0 auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: auto;
    position: static;
    padding: 16px 20px;
    gap: 0;
    border-right: none;
    border-bottom: 1px solid var(--color-border-light);
  }

  .sidebar-logo .brand {
    font-size: 22px;
  }

  .sidebar-logo .tagline {
    display: none;
  }

  .sidenav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
    padding: 12px 20px;
    z-index: 100;
  }

  .sidenav.open {
    display: flex;
  }

  .sidebar-footer {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .content-header {
    padding: 12px 20px;
  }

  main {
    padding: 0 20px;
  }

  .section {
    padding: 36px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .hero-section {
    padding: 20px 0 36px;
  }

  .hero-text h1 {
    font-size: 28px;
  }

  .hero-text p {
    font-size: 16px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-highlights {
    grid-template-columns: 1fr 1fr;
  }

  .cta-section {
    padding: 36px 24px;
  }

  .cta-section .section-title {
    font-size: 24px;
  }

  .site-footer {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 20px;
  }

  .footer-nav {
    margin-left: 0;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-text h1 {
    font-size: 26px;
  }

  .section-title {
    font-size: 24px;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cta-contacts {
    flex-direction: column;
    gap: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }
}