/* ==========================================================================
   LIKEMARK CLOUD — SELECTEL STYLE MODERN B2B THEME
   ТОВ "ЛАЙКМАРК ЮКРЕЙН" (код ЄДРПОУ 45356074)
   ========================================================================== */

:root {
  --bg-main: #080c14;
  --bg-surface: #0e1422;
  --bg-card: #131b2e;
  --bg-card-hover: #18223a;
  --bg-card-subtle: rgba(255, 255, 255, 0.03);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(0, 229, 153, 0.5);
  
  --color-primary: #00e599;
  --color-primary-rgb: 0, 229, 153;
  --color-primary-hover: #00ffa8;
  --color-primary-dark: #00b377;
  
  --color-blue: #38bdf8;
  --color-indigo: #6366f1;
  --color-amber: #fbbf24;
  --color-rose: #f43f5e;
  
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --text-dark: #64748b;
  
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-glow: 0 0 25px rgba(0, 229, 153, 0.25);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img, svg {
  vertical-align: middle;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.logo-brand svg {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: rgba(0, 229, 153, 0.1);
  border: 1px solid rgba(0, 229, 153, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--color-primary);
  background: rgba(0, 229, 153, 0.06);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0, 229, 153, 0.15);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  box-shadow: 0 0 10px var(--color-primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 7px rgba(0, 229, 153, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 229, 153, 0); }
}

.header-phone {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.btn-burger {
  display: none;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #080c14;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  position: relative;
  padding: 90px 0 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 229, 153, 0.15) 0%, rgba(56, 189, 248, 0.08) 50%, rgba(8, 12, 20, 0) 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 920px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.hero-tag span.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero-title {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  background: linear-gradient(180deg, #FFFFFF 30%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .highlight {
  background: linear-gradient(90deg, #00e599 0%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.22rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
}

.stat-item:hover {
  border-color: rgba(0, 229, 153, 0.3);
  transform: translateY(-4px);
}

.stat-val {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SECTION HEADERS
   ========================================================================== */

.section {
  padding: 90px 0;
  position: relative;
}

.section-alt {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px;
}

.section-tag {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: #fff;
}

.section-desc {
  font-size: 1.08rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   CONFIGURATOR & TARIFFS (SELECTEL STYLE)
   ========================================================================== */

.calc-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active, .tab-btn:hover {
  background: rgba(0, 229, 153, 0.12);
  border-color: var(--color-primary);
  color: #fff;
}

.tariffs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.tariff-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.tariff-card:hover {
  border-color: rgba(0, 229, 153, 0.4);
  transform: translateY(-6px);
  box-shadow: 0 15px 35px -10px rgba(0, 0, 0, 0.6);
}

.tariff-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(0, 229, 153, 0.05) 0%, var(--bg-card) 40%);
}

.tariff-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--color-primary);
  color: #080c14;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.03em;
}

.tariff-name {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.tariff-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  min-height: 42px;
}

.tariff-price-wrap {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.tariff-price {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.tariff-price-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.tariff-specs {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  flex-grow: 1;
}

.spec-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #e2e8f0;
}

.spec-row svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Interactive Slider Box */
.calc-box {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.calc-box.active {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

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

.control-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.control-label {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.control-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  outline: none;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: 0 0 10px var(--color-primary);
  transition: var(--transition);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-summary {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
}

.summary-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.summary-item strong {
  color: #fff;
}

.summary-total {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.summary-total-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* ==========================================================================
   MIGRATION 4-STEP TIMELINE
   ========================================================================== */

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: rgba(0, 229, 153, 0.3);
  transform: translateY(-4px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 229, 153, 0.12);
  color: var(--color-primary);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 20px;
  border: 1px solid rgba(0, 229, 153, 0.25);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   DATA CENTERS SECTION
   ========================================================================== */

.dc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.dc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.dc-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-4px);
}

.dc-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.dc-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: #fff;
}

.dc-tier {
  background: rgba(56, 189, 248, 0.1);
  color: var(--color-blue);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
}

.dc-specs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.dc-spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.dc-spec-item strong {
  color: #fff;
}

/* ==========================================================================
   USE CASES GRID
   ========================================================================== */

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: var(--transition);
}

.case-card:hover {
  border-color: rgba(0, 229, 153, 0.3);
  transform: translateY(-4px);
}

.case-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 153, 0.08);
  border: 1px solid rgba(0, 229, 153, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.case-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: #fff;
}

.case-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */

.faq-list {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.faq-question {
  width: 100%;
  padding: 22px 26px;
  text-align: left;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 26px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 22px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

/* ==========================================================================
   CTA BANNER SECTION
   ========================================================================== */

.cta-banner {
  background: linear-gradient(135deg, rgba(0, 229, 153, 0.12) 0%, rgba(56, 189, 248, 0.08) 100%), var(--bg-card);
  border: 1px solid rgba(0, 229, 153, 0.3);
  border-radius: var(--radius-lg);
  padding: 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

.cta-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #fff;
}

.cta-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background: #05070c;
  border-top: 1px solid var(--border-subtle);
  padding: 70px 0 30px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-company-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.footer-desc {
  line-height: 1.6;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.footer-legal-badge {
  display: inline-block;
  font-size: 0.78rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: #cbd5e1;
}

.footer-col-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

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

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

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-muted);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-dark);
}

/* ==========================================================================
   MODAL DIALOG
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 7, 12, 0.85);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 520px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  animation: modalScale 0.25s ease-out;
}

@keyframes modalScale {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  transition: var(--transition);
}

.modal-close:hover {
  color: #fff;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

.modal-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: #e2e8f0;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #fff;
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 229, 153, 0.15);
}

.form-notice {
  font-size: 0.78rem;
  color: var(--text-dark);
  margin-top: 14px;
  text-align: center;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
   ========================================================================== */

@media (max-width: 1024px) {
  .tariffs-grid, .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .header-status, .header-phone {
    display: none;
  }
  .btn-burger {
    display: block;
  }
  .hero-title {
    font-size: 2.3rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .tariffs-grid, .steps-grid, .cases-grid, .dc-grid {
    grid-template-columns: 1fr;
  }
  .calc-box.active {
    grid-template-columns: 1fr;
    padding: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    padding: 36px 20px;
  }
  .cta-title {
    font-size: 1.8rem;
  }
}