:root {
  --header-h: 72px;
}

.header,
.mobile-nav,
.footer {
  --surface: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --primary: #2563eb;
  --primary-glow: rgba(37,99,235,0.3);
  --secondary: #7c3aed;
  --secondary-glow: rgba(124,58,237,0.3);
  --cyan: #06b6d4;
  --text: #ffffff;
  --text-2: rgba(255,255,255,0.7);
  --text-3: rgba(255,255,255,0.4);
  --text-4: rgba(255,255,255,0.2);
}

.hero {
  padding-top: calc(var(--header-h) + 40px);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: transform 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}

.header.scrolled {
  background: rgba(6,7,13,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.header.hidden {
  transform: translateY(-100%);
}

body.mobile-nav-open {
  overflow: hidden;
}

.header.menu-open {
  background: rgba(6,7,13,0.92);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.header-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0;
  white-space: nowrap;
  line-height: 1;
  color: inherit;
}

.brand-wordmark-ti {
  color: var(--primary);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-3);
  transition: color 0.2s;
  padding: 4px 0;
  position: relative;
}

.header-nav a:hover {
  color: var(--text);
}

.header-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), rgba(124,58,237,0.9));
  opacity: 0;
  transform: scaleX(0.35);
  transform-origin: center;
  transition: opacity 0.22s ease, transform 0.28s cubic-bezier(0.16,1,0.3,1);
}

.header-nav a.active {
  color: var(--text);
}

.header-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.header-platforms {
  display: flex;
  align-items: center;
  gap: 2px;
}

.header-platform-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  opacity: 0;
  transform: perspective(400px) rotateY(90deg);
  transition: opacity 0.5s cubic-bezier(0.16,1,0.3,1), transform 0.5s cubic-bezier(0.16,1,0.3,1), border-color 0.2s, background 0.2s;
  pointer-events: none;
}

.header.scrolled .header-platform-btn {
  opacity: 1;
  transform: perspective(400px) rotateY(0deg);
  pointer-events: all;
}

.header.scrolled .header-platform-btn:nth-child(1) {
  transition-delay: 0.05s;
}

.header.scrolled .header-platform-btn:nth-child(2) {
  transition-delay: 0.12s;
}

.header.scrolled .header-platform-btn:nth-child(3) {
  transition-delay: 0.19s;
}

.header-platform-btn:hover {
  border-color: var(--border-hover);
  background: var(--surface);
}

.header-platform-btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke: var(--text-3);
  transition: stroke 0.25s, filter 0.25s;
}

.header-platform-btn svg rect,
.header-platform-btn svg path,
.header-platform-btn svg line,
.header-platform-btn svg polyline {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  transition: stroke-dashoffset 0.8s cubic-bezier(0.16,1,0.3,1);
}

.header.scrolled .header-platform-btn svg rect,
.header.scrolled .header-platform-btn svg path,
.header.scrolled .header-platform-btn svg line,
.header.scrolled .header-platform-btn svg polyline {
  stroke-dashoffset: 0;
}

.header.scrolled .header-platform-btn:nth-child(1) svg * {
  transition-delay: 0.2s;
}

.header.scrolled .header-platform-btn:nth-child(2) svg * {
  transition-delay: 0.3s;
}

.header.scrolled .header-platform-btn:nth-child(3) svg * {
  transition-delay: 0.4s;
}

.hp-app:hover svg {
  stroke: var(--primary);
  filter: drop-shadow(0 0 6px var(--primary-glow));
}

.hp-panel:hover svg {
  stroke: var(--secondary);
  filter: drop-shadow(0 0 6px var(--secondary-glow));
}

.hp-mail:hover svg {
  stroke: var(--cyan);
  filter: drop-shadow(0 0 6px rgba(6,182,212,0.4));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-3);
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  transition: all 0.2s;
  background: transparent;
}

.lang-toggle:hover {
  color: var(--text);
  border-color: var(--border-hover);
}

.header .btn,
.mobile-nav .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s ease;
}

.header .btn-primary,
.mobile-nav .btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 0 20px var(--primary-glow);
}

.header .btn-primary:hover,
.mobile-nav .btn-primary:hover {
  background: #3b82f6;
  box-shadow: 0 0 30px rgba(37,99,235,0.5);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  color: var(--text);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(12,15,24,0.78), rgba(8,10,18,0.62));
  box-shadow: 0 14px 34px rgba(0,0,0,0.18), inset 0 1px 0 rgba(255,255,255,0.04);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.menu-toggle::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(37,99,235,0.22), transparent 58%);
  opacity: 0.85;
  pointer-events: none;
}

.menu-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.12);
}

.menu-toggle-box {
  position: relative;
  width: 18px;
  height: 14px;
  z-index: 1;
}

.menu-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
  transition: top 0.32s cubic-bezier(0.16,1,0.3,1), transform 0.32s cubic-bezier(0.16,1,0.3,1), opacity 0.2s ease;
}

.menu-toggle-line:nth-child(1) {
  top: 0;
}

.menu-toggle-line:nth-child(2) {
  top: 6px;
}

.menu-toggle-line:nth-child(3) {
  top: 12px;
}

.menu-toggle.active .menu-toggle-line:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}

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

.menu-toggle.active .menu-toggle-line:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 1095;
  padding: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 10px) 14px calc(16px + env(safe-area-inset-bottom, 0px));
  background: rgba(2,4,10,0.58);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: none;
  align-items: flex-start;
  justify-content: flex-start;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  overflow-y: auto;
  transition: opacity 0.32s ease, visibility 0.32s ease;
}

.mobile-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 18% 14%, rgba(37,99,235,0.2), transparent 34%), radial-gradient(circle at 82% 8%, rgba(124,58,237,0.18), transparent 28%), linear-gradient(180deg, rgba(6,7,13,0.24), rgba(6,7,13,0.82));
  pointer-events: none;
}

.mobile-nav-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 440px);
  margin-left: auto;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(12,15,24,0.96), rgba(8,10,18,0.92));
  box-shadow: 0 28px 80px rgba(0,0,0,0.42), inset 0 1px 0 rgba(255,255,255,0.04);
  padding: 18px;
  overflow: hidden;
  transform: translate3d(0, -18px, 0) scale(0.985);
  opacity: 0;
  transition: transform 0.42s cubic-bezier(0.16,1,0.3,1), opacity 0.32s ease;
}

.mobile-nav-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(37,99,235,0.12), transparent 44%), radial-gradient(circle at 100% 0, rgba(124,58,237,0.12), transparent 34%);
  pointer-events: none;
}

.mobile-nav-top,
.mobile-nav-subtitle,
.mobile-nav-links,
.mobile-nav-section-label,
.mobile-nav-platforms,
.mobile-nav-actions {
  position: relative;
  z-index: 1;
}

.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.mobile-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-nav-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
}

.mobile-nav-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.mobile-nav-kicker,
.mobile-nav-section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(132,174,255,0.74);
}

.mobile-nav-brand-copy strong {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.mobile-nav-subtitle {
  max-width: 28ch;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(255,255,255,0.68);
  margin-bottom: 18px;
}

.mobile-nav-links {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.mobile-link,
.mobile-nav-platform,
.mobile-nav-actions > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.34s ease, transform 0.38s cubic-bezier(0.16,1,0.3,1), border-color 0.25s ease, background 0.25s ease;
}

.mobile-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.035);
}

.mobile-link:hover {
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.045);
}

.mobile-link-label {
  font-size: 15px;
  font-weight: 600;
}

.mobile-link-index {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.34);
}

.mobile-nav-section-label {
  margin-bottom: 10px;
}

.mobile-nav-platforms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.mobile-nav-platform {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 12px;
  min-height: 112px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  overflow: hidden;
}

.mobile-nav-platform::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.95;
  pointer-events: none;
}

.nav-platform-app::before {
  background: radial-gradient(circle at 0 0, rgba(37,99,235,0.18), transparent 56%);
}

.nav-platform-panel::before {
  background: radial-gradient(circle at 0 0, rgba(124,58,237,0.18), transparent 56%);
}

.nav-platform-mail::before {
  background: radial-gradient(circle at 0 0, rgba(6,182,212,0.18), transparent 56%);
}

.mobile-nav-platform-icon,
.mobile-nav-platform-copy {
  position: relative;
  z-index: 1;
}

.mobile-nav-platform-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.05);
}

.mobile-nav-platform-icon svg {
  width: 18px;
  height: 18px;
}

.nav-platform-app .mobile-nav-platform-icon {
  color: var(--primary);
}

.nav-platform-panel .mobile-nav-platform-icon {
  color: var(--secondary);
}

.nav-platform-mail .mobile-nav-platform-icon {
  color: var(--cyan);
}

.mobile-nav-platform-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-platform-copy strong {
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
}

.mobile-nav-platform-copy span {
  font-size: 10px;
  color: rgba(255,255,255,0.46);
  line-height: 1.35;
  word-break: break-word;
}

.mobile-nav-actions {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
}

.mobile-nav .lang-toggle {
  min-height: 50px;
  border-radius: 14px;
  border-color: rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  font-size: 14px;
  padding: 0 16px;
}

.mobile-nav-cta {
  width: 100%;
  justify-content: center;
  min-height: 50px;
  padding: 14px 18px;
  border-radius: 16px;
  font-size: 14px;
}

.mobile-nav-close {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.mobile-nav.open .mobile-nav-panel {
  transform: translate3d(0, 0, 0) scale(1);
  opacity: 1;
}

.mobile-nav.open .mobile-link,
.mobile-nav.open .mobile-nav-platform,
.mobile-nav.open .mobile-nav-actions > * {
  opacity: 1;
  transform: none;
}

.mobile-nav.open .mobile-link:nth-child(1) {
  transition-delay: 0.05s;
}

.mobile-nav.open .mobile-link:nth-child(2) {
  transition-delay: 0.09s;
}

.mobile-nav.open .mobile-link:nth-child(3) {
  transition-delay: 0.13s;
}

.mobile-nav.open .mobile-link:nth-child(4) {
  transition-delay: 0.17s;
}

.mobile-nav.open .mobile-nav-platform:nth-child(1) {
  transition-delay: 0.21s;
}

.mobile-nav.open .mobile-nav-platform:nth-child(2) {
  transition-delay: 0.25s;
}

.mobile-nav.open .mobile-nav-platform:nth-child(3) {
  transition-delay: 0.29s;
}

.mobile-nav.open .mobile-nav-actions > :nth-child(1) {
  transition-delay: 0.33s;
}

.mobile-nav.open .mobile-nav-actions > :nth-child(2) {
  transition-delay: 0.37s;
}

.footer-consent-btn {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  color: rgba(255,255,255,0.58);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-consent-btn:hover {
  color: rgba(255,255,255,0.88);
}

.footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: #06070d;
}

.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}

.footer-intro {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  gap: 48px;
  align-items: start;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 12px;
}

.footer-brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.5;
  max-width: 260px;
}

.footer-contact-copy {
  margin: 0;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
}

.footer-contact-team {
  margin-top: 8px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-3);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-4);
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 60px;
  }

  .header-inner {
    padding: 0 18px;
  }

  .header-logo {
    gap: 9px;
    font-size: 20px;
  }

  .header-logo img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
  }

  .header-nav,
  .header-actions,
  .header-platforms {
    display: none;
  }

  .menu-toggle,
  .mobile-nav {
    display: flex;
  }

  .hero {
    padding-top: calc(var(--header-h) + 24px);
  }
}

@media (max-width: 480px) {
  .footer {
    padding: 36px 0 calc(24px + env(safe-area-inset-bottom, 0px));
  }

  .footer .container {
    padding: 0 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 24px;
  }

  .footer-desc {
    max-width: none;
    line-height: 1.6;
  }

  .footer-col {
    padding: 16px 16px 14px;
    background: rgba(255,255,255,0.025);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 14px;
  }

  .footer-col h4 {
    font-size: 11px;
    letter-spacing: 0.12em;
    margin-bottom: 10px;
  }

  .footer-col a {
    padding: 6px 0;
    font-size: 13px;
  }

  .footer-contact-copy {
    font-size: 12.5px;
    line-height: 1.65;
  }

  .footer-contact-team {
    margin-top: 10px;
  }

  .footer-bottom {
    gap: 6px;
    padding-top: 18px;
    font-size: 12px;
  }
}