/* ═══════════════ MEGADATA.PRO SHARED COMPONENTS ═══════════════ */
/* Источник: services.html (эталон) */

/* ═══════════════ UTILITIES ═══════════════ */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 100px 0; }
.section-title {
  font-size: 14px; font-weight: 600;
  color: var(--red); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-heading {
  font-size: clamp(32px, 3vw, 44px);
  font-weight: 800; color: var(--text); margin-bottom: 20px;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 17px; color: var(--text-secondary);
  max-width: 560px; line-height: 1.6; margin-bottom: 56px;
}
.center { text-align: center; }
.center .section-sub { margin-left: auto; margin-right: auto; }

/* ═══════════════ BUTTONS ═══════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 50px;
  font-weight: 600; font-size: 15px;
  transition: var(--transition);
}
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(194,0,28,0.3); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid rgba(0,0,0,0.15); }
.btn-outline:hover { border-color: var(--red); color: var(--red); }
.btn-white { background: #fff; color: var(--red); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
.btn-outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.3); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* ═══════════════ NAVBAR ═══════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 40px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  transition: var(--transition);
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}
.nav-left { display: flex; align-items: center; gap: 24px; }
/* ⛔ ЛОГОТИП: ФИКСИРОВАННЫЕ РАЗМЕРЫ. НЕ МЕНЯТЬ */
.nav-logo-icon { width: 52px; height: 52px; object-fit: contain; }
.nav-brand { font-weight: 800; font-size: 18px; letter-spacing: 1.5px; color: var(--text); }
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links > a {
  font-size: 14px; font-weight: 600; color: var(--text);
  transition: var(--transition); position: relative;
  padding: 8px 14px; border-radius: 8px;
}
.nav-links > a:hover { background: rgba(0,0,0,0.04); }
.nav-links > a.active { color: var(--red); }
.nav-links > a::after {
  content: ''; position: absolute; bottom: 2px; left: 14px; right: 14px;
  height: 2px; background: transparent; border-radius: 1px;
  transition: var(--transition);
}
.nav-links > a.active::after { background: var(--red); }
.nav-links > a.nav-accent {
  color: var(--red); border: 1.5px solid rgba(194,0,28,0.25);
  border-radius: 8px; padding: 6px 16px;
}
.nav-links > a.nav-accent:hover {
  background: rgba(194,0,28,0.06); border-color: var(--red);
}
.nav-links > a.nav-accent::after { display: none; }

/* ═══════════════ DROPDOWN (desktop) ═══════════════ */
.nav-dropdown { position: relative; }
.nav-dd-trigger {
  display: flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 600; color: var(--text);
  background: none; border: none; padding: 8px 14px;
  border-radius: 8px; cursor: pointer;
  transition: var(--transition); font-family: inherit;
}
.nav-dd-trigger:hover { background: rgba(0,0,0,0.04); }
.nav-dropdown.group-active .nav-dd-trigger { color: var(--red); }
.dd-arrow { transition: transform 0.2s ease; }
.nav-dropdown.open .dd-arrow { transform: rotate(180deg); }

.nav-dd-menu {
  position: absolute; top: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  min-width: 220px; padding: 8px;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 1px 3px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.06);
  opacity: 0; visibility: hidden;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 110;
}
.nav-dropdown.open .nav-dd-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dd-menu a {
  display: block; padding: 10px 14px; border-radius: 8px;
  transition: var(--transition); text-decoration: none;
}
.nav-dd-menu a:hover { background: rgba(0,0,0,0.04); }
.nav-dd-menu a.active { background: rgba(194,0,28,0.06); }
.dd-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; font-weight: 600; color: var(--text);
}
.dd-desc {
  display: block; font-size: 12px; color: var(--text-secondary);
  margin-top: 2px;
}
.dd-badge {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.5px; color: var(--red);
  background: rgba(194,0,28,0.08); padding: 2px 8px;
  border-radius: 50px;
}
.dd-disabled { opacity: 0.5; pointer-events: none; }

.nav-right { display: flex; gap: 12px; align-items: center; }
.nav-right .btn { padding: 10px 20px; font-size: 13px; }
.nav-tg-link {
  font-size: 13px; font-weight: 600; letter-spacing: 0.5px;
  color: var(--text-secondary); transition: color 0.2s;
}
.nav-tg-link:hover { color: var(--red); }
.nav-cta {
  padding: 8px 20px !important; border-radius: 8px !important;
  font-size: 13px !important; font-weight: 600 !important;
}
.burger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ═══════════════ MOBILE MENU ═══════════════ */
.mobile-menu {
  position: fixed; inset: 0; z-index: 99;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 24px;
  opacity: 0; pointer-events: none; transition: var(--transition);
}
.mobile-menu.active { opacity: 1; pointer-events: all; }
.mobile-menu > a { font-size: 20px; font-weight: 600; color: var(--text); transition: var(--transition); }
.mobile-menu > a:hover { color: var(--red); }
.mobile-menu .btn-red { margin-top: 16px; }

/* Мобильные группы-аккордеоны */
.mob-group { width: 100%; text-align: center; }
.mob-group-trigger {
  font-size: 20px; font-weight: 600; color: var(--text);
  background: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 0; font-family: inherit;
  transition: var(--transition);
}
.mob-group-trigger:hover { color: var(--red); }
.mob-group-trigger .dd-arrow { transition: transform 0.2s ease; }
.mob-group.open .mob-group-trigger .dd-arrow { transform: rotate(180deg); }
.mob-group-items {
  display: none; flex-direction: column; gap: 8px;
  padding: 8px 0 16px;
}
.mob-group.open .mob-group-items { display: flex; }
.mob-group-items a {
  font-size: 16px; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition);
}
.mob-group-items a:hover { color: var(--red); }
.mob-group-items .dd-badge {
  font-size: 9px; vertical-align: middle; margin-left: 4px;
}
.mob-group-items .dd-disabled { opacity: 0.4; pointer-events: none; }

/* ═══════════════ HERO (common) ═══════════════ */
.hero {
  display: flex; align-items: center;
  background: linear-gradient(180deg, #F8F8FA 0%, #FFFFFF 100%);
  position: relative; overflow: hidden;
  padding: 140px 0 80px;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('../img/hex-pattern-3d.jpg') repeat center / 160px;
  opacity: 0.04; pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(194,0,28,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(194,0,28,0.06); color: var(--red);
  padding: 8px 16px; border-radius: 50px;
  font-size: 13px; font-weight: 600; margin-bottom: 24px;
  border: 1px solid rgba(194,0,28,0.12);
}
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--red); border-radius: 50%; }
.hero h1 {
  font-size: clamp(36px, 4vw, 56px); font-weight: 800;
  line-height: 1.08; letter-spacing: -0.03em;
  color: var(--text); margin-bottom: 20px;
}
.hero h1 span { color: var(--red); }
.hero-sub {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.6; margin-bottom: 36px; max-width: 540px;
}

/* ═══════════════ HEX PATTERN HELPERS ═══════════════ */
.hex-bg { position: relative; overflow: hidden; }
.hex-bg::before {
  content: ''; position: absolute; inset: 0;
  background: url('../img/hex-pattern-3d.jpg') repeat center / 160px;
  opacity: 0.07; pointer-events: none;
}

/* ═══════════════ DARK SECTION (CTA / BANNERS) ═══════════════ */
.dark-section {
  background: var(--dark); position: relative; overflow: hidden;
}
.dark-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('../img/hex-pattern-3d.jpg') repeat center / 160px;
  opacity: 0.07; pointer-events: none;
}
.dark-section::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, transparent 20%, var(--dark) 70%),
              radial-gradient(ellipse at 30% 50%, rgba(194,0,28,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.dark-section .container { position: relative; z-index: 2; }

/* CTA section */
.cta-section {
  background: var(--dark); position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('../img/hex-pattern-3d.jpg') repeat center / 160px;
  opacity: 0.07; pointer-events: none;
}
.cta-section::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, transparent 20%, var(--dark) 70%),
              radial-gradient(ellipse at 30% 50%, rgba(194,0,28,0.10) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section .container { text-align: center; position: relative; z-index: 2; }
.cta-section h2 {
  font-size: clamp(32px, 3.5vw, 48px); font-weight: 800;
  color: #fff; margin-bottom: 16px; letter-spacing: -0.02em;
}
.cta-section .sub {
  font-size: 18px; color: rgba(255,255,255,0.6); margin-bottom: 40px;
  max-width: 500px; margin-left: auto; margin-right: auto;
}
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-social {
  margin-top: 40px; font-size: 14px; color: rgba(255,255,255,0.4);
}
.cta-social span { color: rgba(255,255,255,0.7); }

/* Corp banner */
.corp-banner {
  background: var(--dark); position: relative; overflow: hidden; padding: 56px 0;
}
.corp-banner::before {
  content: ''; position: absolute; inset: 0;
  background: url('../img/hex-pattern-3d.jpg') repeat center / 160px;
  opacity: 0.07; pointer-events: none;
}
.corp-banner::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 50%, transparent 20%, var(--dark) 70%),
              linear-gradient(135deg, rgba(194,0,28,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.corp-banner .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; position: relative; z-index: 2;
}
.corp-banner h3 { color: #fff; font-size: 24px; font-weight: 800; margin-bottom: 8px; }
.corp-banner p { color: rgba(255,255,255,0.6); font-size: 16px; }

/* ═══════════════ FOOTER (dark) ═══════════════ */
.footer {
  background: var(--dark); border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px 0 32px;
}
.footer .container {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 24px;
}
.footer-logo {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.8); font-weight: 700; font-size: 16px;
}
/* ⛔ ЛОГОТИП ФУТЕР: ФИКСИРОВАННЫЕ РАЗМЕРЫ */
.footer-logo .m-icon { width: 48px; height: 48px; object-fit: contain; }
.footer-links { display: flex; gap: 28px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.4); transition: var(--transition); }
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-copy { font-size: 13px; color: rgba(255,255,255,0.3); }
.footer-bottom {
  display: flex; align-items: center; justify-content: center;
  gap: 16px; margin-top: 32px; padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-bottom a { color: rgba(255,255,255,0.3); transition: var(--transition); }
.footer-bottom a:hover { color: var(--red); }

/* ═══════════════ ANIMATIONS ═══════════════ */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 768px) {
  .navbar { padding: 0 20px; }
  .nav-links, .nav-right { display: none; }
  .burger { display: flex; }
  .hero { padding: 100px 0 60px; }
  .hero h1 { font-size: 32px; }
  .section-pad { padding: 64px 0; }
  .section-heading { font-size: 28px; }
  .corp-banner .container { flex-direction: column; text-align: center; }
  .footer .container { display:flex!important; flex-direction: column; text-align: center; gap: 32px; }
  .footer .container > div { width: 100%; }
  .footer-links { justify-content: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .btn { padding: 12px 24px; font-size: 14px; }
}