/* ========================================
   SITECLEAN.RU — Main Stylesheet
   Mobile-First | BEM | CSS Variables
   ======================================== */

/* ----- Variables ----- */
:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8FAFC;
  --color-bg-dark: #0F172A;
  --color-text: #0F172A;
  --color-text-muted: #64748B;
  --color-text-light: #94A3B8;
  --color-accent: #10B981;
  --color-accent-hover: #059669;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-border: #E2E8F0;
  --color-success: #10B981;
  --color-danger: #EF4444;
  --color-warning: #F59E0B;

  --font-heading: 'Manrope', sans-serif;
  --font-body: 'Inter', sans-serif;

  --container-max: 1200px;
  --container-padding: 20px;
  --section-padding: 60px 0;
  --section-padding-desktop: 100px 0;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.1);
  --shadow-xl: 0 24px 48px rgba(15, 23, 42, 0.12);

  --transition: 0.3s ease;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea {
  font: inherit;
  border: none;
  outline: none;
}

/* ----- Container ----- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

.section-title {
  font-size: 28px;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 40px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 36px;
  }
  .section-subtitle {
    font-size: 18px;
    margin-bottom: 56px;
  }
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: center;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
  transform: translateY(-1px);
}

.btn--secondary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.btn--secondary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  transform: translateY(-1px);
}

.btn--outline {
  border: 2px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--large {
  font-size: 18px;
  padding: 18px 36px;
}

.btn--disabled {
  opacity: 0.6;
  pointer-events: none;
}

@media (min-width: 768px) {
  .btn {
    padding: 16px 32px;
  }
}

/* ----- Section ----- */
.section {
  padding: var(--section-padding);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--dark {
  background: var(--color-bg-dark);
  color: #fff;
}

@media (min-width: 768px) {
  .section {
    padding: var(--section-padding-desktop);
  }
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

.header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  color: var(--color-text);
  z-index: 1001;
}

.header__logo-icon {
  width: 36px;
  height: 36px;
}

.header__logo-text {
  display: none;
}

@media (min-width: 480px) {
  .header__logo-text {
    display: inline;
  }
}

/* Navigation */
.header__nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--color-bg);
  padding: 100px 32px 32px;
  transition: right 0.4s ease;
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  z-index: 999;
}

.header__nav--open {
  right: 0;
}

.header__menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.header__menu-link {
  display: block;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.header__menu-link:hover,
.header__menu-link--active {
  color: var(--color-accent);
  background: rgba(16, 185, 129, 0.06);
}

/* Burger */
.header__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  z-index: 1001;
  cursor: pointer;
}

.header__burger-line {
  display: block;
  width: 100%;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.header__burger--active .header__burger-line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.header__burger--active .header__burger-line:nth-child(2) {
  opacity: 0;
}

.header__burger--active .header__burger-line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Overlay */
.header__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 998;
}

.header__overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 768px) {
  .header__nav {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    background: transparent;
    box-shadow: none;
    transition: none;
  }

  .header__menu {
    flex-direction: row;
    gap: 4px;
  }

  .header__menu-link {
    padding: 8px 16px;
    font-size: 14px;
  }

  .header__burger {
    display: none;
  }

  .header__overlay {
    display: none;
  }
}

/* =============================================
   HERO
   ============================================= */
.hero {
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 60px;
  background: linear-gradient(135deg, #F8FAFC 0%, #ECFDF5 50%, #F8FAFC 100%);
  overflow: hidden;
}

.hero__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.hero__content {
  text-align: center;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.hero__trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-accent);
  background: rgba(16, 185, 129, 0.1);
  padding: 6px 12px;
  border-radius: 20px;
}

.hero__title {
  font-size: 32px;
  margin-bottom: 16px;
}

.hero__title-accent {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  margin-bottom: 40px;
}

.hero__note {
  font-size: 13px;
  color: var(--color-text-light);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

@media (min-width: 480px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 80px;
  }

  .hero__title {
    font-size: 48px;
  }

  .hero__subtitle {
    font-size: 18px;
  }

  .hero__stat-value {
    font-size: 32px;
  }

  .hero__stat-label {
    font-size: 14px;
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: 56px;
  }
}

/* =============================================
   GRID LAYOUTS (shared)
   ============================================= */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* =============================================
   PROBLEMS
   ============================================= */
.problems__grid {
  display: grid;
  gap: 20px;
}

.problem-card {
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-danger);
  transition: var(--transition);
}

.problem-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.problem-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  color: var(--color-danger);
}

.problem-card__title {
  font-size: 18px;
  margin-bottom: 8px;
}

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

@media (min-width: 768px) {
  .problems__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   SOLUTION
   ============================================= */
.solution__grid {
  display: grid;
  gap: 20px;
}

.solution-card {
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
  transition: var(--transition);
}

.solution-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.solution-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  color: var(--color-accent);
}

.solution-card__title {
  font-size: 18px;
  margin-bottom: 8px;
}

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

@media (min-width: 768px) {
  .solution__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   STEPS
   ============================================= */
.steps__grid {
  display: grid;
  gap: 24px;
  counter-reset: step;
}

.step-card {
  position: relative;
  background: var(--color-bg);
  padding: 28px 24px 24px 60px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.step-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 16px;
  top: 24px;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.step-card__title {
  font-size: 18px;
  margin-bottom: 6px;
}

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

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

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

/* =============================================
   CMS LOGOS
   ============================================= */
.cms__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cms-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.cms-card:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.cms-card__icon {
  width: 28px;
  height: 28px;
}

@media (min-width: 768px) {
  .cms__grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

/* =============================================
   CASES
   ============================================= */
.cases__grid {
  display: grid;
  gap: 20px;
}

.case-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.case-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.case-card__preview {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  padding: 4px 10px;
  border-radius: 4px;
}

.case-card__body {
  padding: 20px;
}

.case-card__title {
  font-size: 16px;
  margin-bottom: 8px;
}

.case-card__text {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.case-card__meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--color-text-light);
}

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

@media (min-width: 1024px) {
  .cases__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   REVIEWS
   ============================================= */
.reviews__grid {
  display: grid;
  gap: 20px;
}

.review-card {
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.review-card::before {
  content: '"';
  position: absolute;
  top: 8px;
  right: 20px;
  font-size: 64px;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.15;
  font-family: serif;
}

.review-card__text {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-style: italic;
}

.review-card__author {
  font-weight: 600;
  font-size: 14px;
}

.review-card__site {
  font-size: 12px;
  color: var(--color-text-light);
}

@media (min-width: 768px) {
  .reviews__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   PRICES
   ============================================= */
.prices__grid {
  display: grid;
  gap: 24px;
}

.price-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}

.price-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}

.price-card--featured {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.price-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.price-card__name {
  font-size: 20px;
  margin-bottom: 8px;
}

.price-card__price {
  font-size: 36px;
  font-weight: 800;
  font-family: var(--font-heading);
  color: var(--color-accent);
  margin-bottom: 4px;
}

.price-card__period {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.price-card__features {
  text-align: left;
  margin-bottom: 24px;
}

.price-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  padding: 6px 0;
}

.price-card__feature-icon {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.price-card__price-note {
  font-size: 12px;
  color: var(--color-text-light);
  margin-top: 8px;
}

@media (min-width: 768px) {
  .prices__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   FAQ
   ============================================= */
.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 16px;
  text-align: left;
  color: var(--color-text);
  cursor: pointer;
  background: none;
  border: none;
}

.faq__question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.faq__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--color-text-muted);
}

.faq__item--open .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0;
}

.faq__item--open .faq__answer {
  max-height: 300px;
  padding: 8px 0 0;
}

.faq__answer-text {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* =============================================
   CTA
   ============================================= */
.cta {
  text-align: center;
}

.cta__title {
  font-size: 28px;
  margin-bottom: 12px;
}

.cta__subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.section--dark .cta__title {
  color: #fff;
}

.section--dark .cta__subtitle {
  color: rgba(255,255,255,0.7);
}

@media (min-width: 768px) {
  .cta__title {
    font-size: 36px;
  }
}

/* =============================================
   FORM
   ============================================= */
.form {
  max-width: 520px;
  margin: 0 auto;
}

.form__group {
  margin-bottom: 16px;
}

.form__label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  transition: var(--transition);
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-text-light);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__input--error {
  border-color: var(--color-danger);
}

.form__error {
  font-size: 12px;
  color: var(--color-danger);
  margin-top: 4px;
  display: none;
}

.form__input--error + .form__error {
  display: block;
}

.form__checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 20px;
}

.form__checkbox {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--color-accent);
  cursor: pointer;
}

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

.form__checkbox-label a {
  color: var(--color-primary);
  text-decoration: underline;
}

.form__submit {
  width: 100%;
}

.form__spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn--loading .form__spinner {
  display: inline-block;
}

.btn--loading .btn__text {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Success State */
.form__success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form__success--visible {
  display: block;
}

.form__success-icon {
  width: 64px;
  height: 64px;
  color: var(--color-accent);
  margin: 0 auto 16px;
}

.form__success-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-accent);
}

.form__success-text {
  font-size: 15px;
  color: var(--color-text-muted);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-bg-dark);
  color: #fff;
  padding: 48px 0 24px;
}

.footer__grid {
  display: grid;
  gap: 32px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer__logo-icon {
  width: 32px;
  height: 32px;
}

.footer__logo-text {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
}

.footer__slogan {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 8px;
}

.footer__contacts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  transition: var(--transition);
}

.footer__contact-item:hover {
  color: var(--color-accent);
}

.footer__contact-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.footer__heading {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  transition: var(--transition);
}

.footer__social-link:hover {
  background: var(--color-accent);
}

.footer__social-icon {
  width: 20px;
  height: 20px;
}

.footer__bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer__copyright {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

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

  .footer {
    padding: 64px 0 32px;
  }
}

/* =============================================
   ANIMATIONS (Intersection Observer)
   ============================================= */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up--visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left--visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right--visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.stagger-children--visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children--visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children--visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children--visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children--visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children--visible > *:nth-child(6) { transition-delay: 0.5s; }

.stagger-children--visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   SECTION INTRO
   ============================================= */
.section__intro {
  text-align: center;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .section__intro {
    margin-bottom: 56px;
  }
}

/* =============================================
   BREADCRUMBS
   ============================================= */
.breadcrumbs {
  padding: 16px 0;
  font-size: 13px;
  color: var(--color-text-light);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs__item:not(:last-child)::after {
  content: '/';
  color: var(--color-text-light);
}

.breadcrumbs__link {
  color: var(--color-text-muted);
  transition: var(--transition);
}

.breadcrumbs__link:hover {
  color: var(--color-accent);
}

.breadcrumbs__current {
  color: var(--color-text);
  font-weight: 500;
}

/* =============================================
   PAGE HEADER (inner pages)
   ============================================= */
.page-header {
  padding-top: calc(var(--header-height) + 32px);
  padding-bottom: 32px;
  background: linear-gradient(135deg, #F8FAFC 0%, #ECFDF5 50%, #F8FAFC 100%);
}

.page-header__title {
  font-size: 28px;
  margin-bottom: 8px;
}

.page-header__text {
  font-size: 16px;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .page-header {
    padding-bottom: 48px;
  }
  .page-header__title {
    font-size: 40px;
  }
}

/* =============================================
   SERVICES PAGE
   ============================================= */
.service-block {
  padding: 48px 0;
  border-bottom: 1px solid var(--color-border);
}

.service-block:last-child {
  border-bottom: none;
}

.service-block__header {
  margin-bottom: 24px;
}

.service-block__cms-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
}

.service-block__title {
  font-size: 24px;
  margin-bottom: 8px;
}

.service-block__text {
  font-size: 15px;
  color: var(--color-text-muted);
  max-width: 600px;
}

.service-block__features {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.service-block__feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.service-block__feature-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

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

/* =============================================
   BUSINESS PAGE
   ============================================= */
.business__grid {
  display: grid;
  gap: 20px;
}

.business-card {
  background: var(--color-bg);
  padding: 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.business-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.business-card__icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.business-card__title {
  font-size: 18px;
  margin-bottom: 8px;
}

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

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

/* =============================================
   BLOG PAGE
   ============================================= */
.blog__grid {
  display: grid;
  gap: 24px;
}

.blog-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.blog-card__image {
  height: 180px;
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card__body {
  padding: 20px;
}

.blog-card__meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.blog-card__category {
  color: var(--color-accent);
  font-weight: 600;
}

.blog-card__title {
  font-size: 18px;
  margin-bottom: 8px;
}

.blog-card__title a {
  transition: var(--transition);
}

.blog-card__title a:hover {
  color: var(--color-accent);
}

.blog-card__excerpt {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

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

@media (min-width: 1024px) {
  .blog__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* =============================================
   CONTACTS PAGE
   ============================================= */
.contacts__grid {
  display: grid;
  gap: 40px;
}

.contacts__info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contacts__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contacts__item-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contacts__item-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

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

.contacts__item-value a {
  color: var(--color-primary);
  transition: var(--transition);
}

.contacts__item-value a:hover {
  color: var(--color-accent);
}

.contacts__map {
  height: 240px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.contacts__map-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, var(--color-border) 1px, transparent 1px);
  background-size: 24px 24px;
}

.contacts__map-pin {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  color: var(--color-danger);
  filter: drop-shadow(0 4px 8px rgba(239, 68, 68, 0.3));
}

@media (min-width: 768px) {
  .contacts__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* =============================================
   404 PAGE
   ============================================= */
.page-404 {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 80px;
  text-align: center;
  min-height: 80vh;
  display: flex;
  align-items: center;
}

.page-404__icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 24px;
  color: var(--color-text-light);
}

.page-404__code {
  font-family: var(--font-heading);
  font-size: 96px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 8px;
}

.page-404__title {
  font-size: 24px;
  margin-bottom: 12px;
}

.page-404__text {
  font-size: 16px;
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto 32px;
}

/* =============================================
   PRIVACY PAGE
   ============================================= */
.privacy {
  padding-top: calc(var(--header-height) + 32px);
  padding-bottom: 60px;
}

.privacy__content {
  max-width: 720px;
  margin: 0 auto;
}

.privacy__content h2 {
  font-size: 22px;
  margin: 32px 0 12px;
}

.privacy__content p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.privacy__content ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.privacy__content li {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

/* =============================================
   STATIC HARDENING PAGE
   ============================================= */
.benefits__grid {
  display: grid;
  gap: 24px;
}

.benefit-card {
  display: flex;
  gap: 16px;
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.benefit-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.benefit-card__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.benefit-card__title {
  font-size: 18px;
  margin-bottom: 6px;
}

.benefit-card__text {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (min-width: 768px) {
  .benefits__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .benefit-card {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
  }

  .benefit-card__icon {
    margin: 0 auto 16px;
  }
}

/* Objection block */
.objection {
  background: var(--color-bg);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  max-width: 720px;
  margin: 0 auto;
}

.objection__title {
  font-size: 20px;
  margin-bottom: 16px;
  text-align: center;
}

.objection__text {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.objection__highlight {
  color: var(--color-accent);
  font-weight: 600;
}

/* Qualification */
.qualification__grid {
  display: grid;
  gap: 24px;
}

.qualification__column {
  padding: 24px;
  border-radius: var(--radius-md);
}

.qualification__column--pros {
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.qualification__column--cons {
  background: rgba(239, 68, 68, 0.06);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.qualification__column-title {
  font-size: 18px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.qualification__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.qualification__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.qualification__item-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.qualification__item-icon--pros {
  color: var(--color-accent);
}

.qualification__item-icon--cons {
  color: var(--color-danger);
}

@media (min-width: 768px) {
  .qualification__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Hero for static hardening */
.hero--sh {
  background: linear-gradient(135deg, #F8FAFC 0%, #ECFDF5 30%, #F0FDF4 60%, #F8FAFC 100%);
}

/* =============================================
   MISC
   ============================================= */
/* =============================================
   FLOATING PHONE BUTTON
   ============================================= */
.floating-phone {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.45);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  animation: floatPulse 2s ease-in-out infinite;
}

.floating-phone:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.55);
}

.floating-phone__icon {
  width: 24px;
  height: 24px;
}

@keyframes floatPulse {
  0%, 100% {
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.45);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 4px 24px rgba(16, 185, 129, 0.65);
    transform: scale(1.05);
  }
}

@media (min-width: 768px) {
  .floating-phone {
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
  }

  .floating-phone__icon {
    width: 28px;
    height: 28px;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}