/* =========================================
   Leader-M Kazakhstan — Main Styles
   ========================================= */

/* ---- CSS Variables ---- */
:root {
  --primary:        #1a56db;
  --primary-dark:   #1344b8;
  --primary-light:  #3b7ef8;
  --primary-ultra:  #e8f0fe;
  --accent:         #0ea5e9;
  --dark:           #0f172a;
  --dark-2:         #1e293b;
  --dark-3:         #334155;
  --mid:            #64748b;
  --light:          #94a3b8;
  --bg:             #f8fafc;
  --bg-2:           #f1f5f9;
  --white:          #ffffff;
  --border:         #e2e8f0;
  --border-2:       #cbd5e1;
  --success:        #10b981;
  --error:          #ef4444;

  --font:           'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm:      6px;
  --radius:         12px;
  --radius-lg:      20px;
  --radius-xl:      28px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow:         0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);
  --shadow-md:      0 8px 30px rgba(0,0,0,.10), 0 4px 12px rgba(0,0,0,.06);
  --shadow-lg:      0 20px 60px rgba(0,0,0,.12), 0 8px 24px rgba(0,0,0,.08);
  --transition:     .25s cubic-bezier(.4,0,.2,1);
  --max-w:          1200px;
  --header-h:       72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  font-size: 16px;
}

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .9375rem;
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-lg { padding: 15px 30px; font-size: 1rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
}
.btn-primary:hover, .btn-primary:focus-visible {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26,86,219,.35);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,.5);
}
.btn-outline-white:hover, .btn-outline-white:focus-visible {
  background: rgba(255,255,255,.12);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--white);
  color: var(--primary);
  border: 2px solid var(--white);
}
.btn-white:hover, .btn-white:focus-visible {
  background: var(--primary-ultra);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.15);
}

.hidden { display: none !important; }

/* =========================================
   HEADER
   ========================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header.scrolled {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}

.site-header.scrolled .logo-text,
.site-header.scrolled .nav-link,
.site-header.scrolled .logo-icon { color: var(--dark); }

.site-header.scrolled .header-cta {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  display: block;
  /* Лого на тёмном фоне — оставляем как есть */
  filter: drop-shadow(0 0 6px rgba(0,180,255,.18));
  transition: opacity var(--transition), filter var(--transition);
}
.logo-img:hover {
  opacity: .88;
  filter: drop-shadow(0 0 10px rgba(0,180,255,.32));
}

/* Когда хедер светлый — убираем свечение */
.site-header.scrolled .logo-img {
  filter: none;
}

/* Логотип в футере */
.logo-img--footer {
  height: 52px;
  filter: brightness(1.1) drop-shadow(0 0 6px rgba(0,180,255,.15));
}

/* Старые элементы (оставляем для совместимости) */
.logo-icon {
  font-size: 1.5rem;
  color: var(--white);
  transition: color var(--transition);
}
.logo-text {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.5px;
  transition: color var(--transition);
}
.logo-accent { color: var(--accent); }

/* Nav */
.main-nav { margin-left: auto; }
.nav-list {
  display: flex;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  font-size: .875rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-link:hover, .nav-link:focus-visible {
  color: var(--white);
  background: rgba(255,255,255,.12);
}
.site-header.scrolled .nav-link {
  color: var(--dark-3);
}
.site-header.scrolled .nav-link:hover {
  color: var(--primary);
  background: var(--primary-ultra);
}

/* Header CTA */
.header-cta {
  flex-shrink: 0;
  background: rgba(255,255,255,.15);
  color: var(--white);
  border: 2px solid rgba(255,255,255,.4);
  padding: 9px 20px;
  font-size: .875rem;
  border-radius: var(--radius);
}
.header-cta:hover {
  background: var(--white);
  color: var(--primary);
  border-color: var(--white);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}
.site-header.scrolled .burger span { background: var(--dark); }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================
   SECTION COMMONS
   ========================================= */
.section { padding: 100px 0; }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--primary);
  background: var(--primary-ultra);
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: -.5px;
  margin-bottom: 16px;
}
.section-title.centered { text-align: center; }

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--mid);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.section-subtitle.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-cta {
  margin-top: 60px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.section-cta p {
  color: var(--mid);
  font-size: 1rem;
  max-width: 520px;
}

/* =========================================
   HERO
   ========================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: var(--dark);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(26,86,219,.45) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(14,165,233,.25) 0%, transparent 50%),
    linear-gradient(135deg, #0f172a 0%, #1e3a6e 50%, #0f172a 100%);
}

/* Animated grid lines */
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}
@keyframes gridMove {
  0%   { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(15,23,42,.6) 100%
  );
}

/* Floating particles effect via pseudo-elements */
.hero::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26,86,219,.2) 0%, transparent 70%);
  top: -200px;
  right: -100px;
  border-radius: 50%;
  animation: pulse 6s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,.15) 0%, transparent 70%);
  bottom: -100px;
  left: -100px;
  border-radius: 50%;
  animation: pulse 8s ease-in-out infinite reverse;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.1); opacity: .7; }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(26,86,219,.25);
  border: 1px solid rgba(26,86,219,.5);
  color: rgba(255,255,255,.9);
  font-size: .8125rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge i { color: var(--accent); font-size: .75rem; }

.hero-title {
  font-size: clamp(2rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 24px;
  max-width: 800px;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: rgba(255,255,255,.7);
  line-height: 1.7;
  max-width: 620px;
  margin-bottom: 40px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  padding: 24px 32px;
  width: fit-content;
  flex-wrap: wrap;
  gap: 0;
}

.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}
.hero-stat:first-child { padding-left: 0; }

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
}
.stat-label {
  font-size: .8125rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  text-align: center;
}

.hero-stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,.15);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-scroll-hint a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(255,255,255,.3);
  border-radius: 50%;
  color: rgba(255,255,255,.5);
  animation: bounce 2s ease-in-out infinite;
  transition: all var(--transition);
}
.hero-scroll-hint a:hover {
  border-color: rgba(255,255,255,.7);
  color: var(--white);
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

.desktop-only { display: block; }

/* =========================================
   ABOUT SECTION
   ========================================= */
.about-section { background: var(--white); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text .section-title { margin-top: 8px; }
.about-lead {
  font-size: 1.125rem;
  color: var(--dark-2);
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 16px;
}
.about-body {
  color: var(--mid);
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-text .btn { margin-top: 16px; }

.about-advantages {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.advantage-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.advantage-card:hover {
  border-color: var(--primary);
  background: var(--primary-ultra);
  transform: translateX(4px);
  box-shadow: var(--shadow);
}

.advantage-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.125rem;
}
.advantage-card:hover .advantage-icon {
  background: var(--primary-dark);
}

.advantage-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 6px;
}
.advantage-body p {
  font-size: .875rem;
  color: var(--mid);
  line-height: 1.6;
}

/* =========================================
   SERVICES SECTION
   ========================================= */
.services-section { background: var(--bg); }

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

.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  cursor: default;
  outline: none;
  display: flex;
  flex-direction: column;
}
.service-card:hover, .service-card:focus-visible {
  border-color: var(--primary);
  box-shadow: var(--shadow-md), 0 0 0 3px var(--primary-ultra);
  transform: translateY(-4px);
}

.service-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.375rem;
  margin-bottom: 20px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(26,86,219,.3);
}

.service-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.service-card-desc {
  font-size: .875rem;
  color: var(--mid);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}

.service-card-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
}
.service-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .8125rem;
  color: var(--dark-3);
  line-height: 1.4;
}
.service-card-list i {
  color: var(--success);
  font-size: .75rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* =========================================
   SOLUTIONS SECTION
   ========================================= */
.solutions-section { background: var(--white); }

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.solution-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}

.solution-card--operators { background: linear-gradient(135deg, #0f172a 0%, #1e3a6e 100%); }
.solution-card--enterprise { background: linear-gradient(135deg, #1344b8 0%, #1a56db 100%); }
.solution-card--dc         { background: linear-gradient(135deg, #0c4a6e 0%, #0ea5e9 100%); }
.solution-card--realty     { background: linear-gradient(135deg, #1e3a6e 0%, #3b7ef8 100%); }

.solution-card-inner {
  padding: 36px;
  height: 100%;
  position: relative;
  z-index: 1;
}
.solution-card-inner::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  background: rgba(255,255,255,.04);
  border-radius: 50%;
  z-index: 0;
}

.solution-icon {
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.375rem;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}

.solution-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.solution-card p {
  font-size: .875rem;
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.solution-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  z-index: 1;
}
.solution-list li {
  font-size: .8125rem;
  color: rgba(255,255,255,.65);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.solution-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
}

/* =========================================
   PARTNERS SECTION
   ========================================= */
.partners-section {
  background: var(--bg);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.partner-logo-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  transition: all var(--transition);
}
.partner-logo-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.partner-logo-icon {
  font-size: 2rem;
  line-height: 1;
}

.partner-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--dark);
}

.partner-category {
  font-size: .75rem;
  color: var(--light);
  font-weight: 500;
}

.partners-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--primary-ultra);
  border: 1px solid rgba(26,86,219,.2);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  font-size: .9rem;
  color: var(--dark-3);
  line-height: 1.6;
}
.partners-note i {
  color: var(--primary);
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* =========================================
   WHY SECTION
   ========================================= */
.why-section {
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.why-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 10% 80%, rgba(26,86,219,.2) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 20%, rgba(14,165,233,.15) 0%, transparent 50%);
  pointer-events: none;
}
.why-section .section-label { background: rgba(26,86,219,.3); color: rgba(255,255,255,.85); }
.why-section .section-title { color: var(--white); }
.why-section .section-subtitle { color: rgba(255,255,255,.55); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}

.why-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.why-card:hover {
  background: rgba(26,86,219,.15);
  border-color: rgba(26,86,219,.4);
  transform: translateY(-4px);
}

.why-number {
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(255,255,255,.04);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
  letter-spacing: -2px;
}

.why-icon {
  width: 52px;
  height: 52px;
  background: rgba(26,86,219,.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.25rem;
  margin-bottom: 20px;
}
.why-card:hover .why-icon {
  background: var(--primary);
  color: var(--white);
}

.why-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.why-card p {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  line-height: 1.7;
}

/* =========================================
   CTA BANNER
   ========================================= */
.cta-banner-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--accent) 100%);
  padding: 0;
}

.cta-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 72px 0;
  flex-wrap: wrap;
}

.cta-banner-content h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.2;
}
.cta-banner-content p {
  color: rgba(255,255,255,.8);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 540px;
}

.cta-banner-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* =========================================
   CONTACT SECTION
   ========================================= */
.contact-section { background: var(--bg); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: start;
}

.contact-info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.contact-info-item:last-of-type { border-bottom: none; }

.contact-info-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--primary-ultra);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
}

.contact-info-label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  color: var(--light);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 4px;
}
.contact-info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark);
  transition: color var(--transition);
}
a.contact-info-value:hover { color: var(--primary); }

.contact-social { padding-top: 20px; }
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: .875rem;
  font-weight: 600;
  transition: all var(--transition);
}
.social-btn.whatsapp {
  background: #25d366;
  color: var(--white);
}
.social-btn.whatsapp:hover {
  background: #128c7e;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(37,211,102,.3);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
}

.form-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-subtitle {
  font-size: .9rem;
  color: var(--mid);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--dark-3);
}
.required { color: var(--error); }

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border-2);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .9375rem;
  color: var(--dark);
  background: var(--white);
  transition: all var(--transition);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--light); }
.form-group textarea { resize: vertical; min-height: 110px; }

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.field-error {
  font-size: .8125rem;
  color: var(--error);
  min-height: 18px;
}
.form-group input.error,
.form-group textarea.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

.form-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}
.form-consent input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
}
.form-consent label {
  font-size: .8125rem;
  color: var(--mid);
  line-height: 1.5;
  cursor: pointer;
}

.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding: 32px;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-lg);
  margin-top: 16px;
}
.form-success i {
  font-size: 2.5rem;
  color: var(--success);
}
.form-success strong {
  font-size: 1.125rem;
  color: var(--dark);
}
.form-success p { color: var(--mid); font-size: .9rem; }

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-top: 72px;
  padding-bottom: 56px;
}

.logo--footer .logo-icon,
.logo--footer .logo-text { color: var(--white); }

.footer-tagline {
  font-size: .9rem;
  line-height: 1.6;
  margin-top: 14px;
  margin-bottom: 8px;
  color: rgba(255,255,255,.5);
}
.footer-company {
  font-size: .8125rem;
  color: rgba(255,255,255,.3);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-nav-col h4 {
  font-size: .875rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 16px;
}
.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav-col a {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-nav-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: .8125rem;
  color: rgba(255,255,255,.3);
  max-width: var(--max-w);
  margin: 0 auto;
}

/* =========================================
   BACK TO TOP
   ========================================= */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all var(--transition);
  z-index: 900;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* =========================================
   SCROLL ANIMATIONS
   ========================================= */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   RESPONSIVE — TABLET (≤1024px)
   ========================================= */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(4, 1fr); }
  .about-grid { gap: 40px; }
  .footer-inner { gap: 40px; }
}

/* =========================================
   RESPONSIVE — MOBILE (≤768px)
   ========================================= */
@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 72px 0; }

  /* Header */
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--white);
    padding: 20px 24px;
    box-shadow: var(--shadow-md);
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--transition);
    z-index: 999;
    pointer-events: none;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-link {
    display: block;
    padding: 12px 16px;
    color: var(--dark) !important;
    font-size: 1rem;
    border-radius: var(--radius);
  }
  .nav-link:hover { background: var(--primary-ultra); color: var(--primary) !important; }
  .header-cta { display: none; }
  .burger { display: flex; }
  .site-header.scrolled .header-inner { }
  .header-inner { gap: 16px; }

  /* Hero */
  .hero-title { font-size: 2rem; }
  .hero-subtitle { font-size: .9625rem; }
  .hero-stats { padding: 16px 20px; width: 100%; justify-content: space-around; }
  .hero-stat { padding: 0 12px; }
  .stat-number { font-size: 1.5rem; }
  .desktop-only { display: none; }

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: 40px; }

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

  /* Solutions */
  .solutions-grid { grid-template-columns: 1fr; }

  /* Partners */
  .partners-grid { grid-template-columns: repeat(2, 1fr); }

  /* Why */
  .why-grid { grid-template-columns: 1fr; }

  /* CTA Banner */
  .cta-banner { flex-direction: column; align-items: flex-start; gap: 28px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-nav { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }

  /* Back to top */
  .back-to-top { bottom: 20px; right: 20px; }
}

/* =========================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ========================================= */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-actions { gap: 12px; }
  .btn-lg { padding: 13px 22px; font-size: .9375rem; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-nav { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 16px; }
  .hero-stat-divider { display: none; }
  .hero-stat { padding: 0; }
  .contact-form-wrap { padding: 24px 20px; }
  .contact-info-card { padding: 24px 20px; }
}