:root {
  --cobalt: #114ebf;
  --cobalt-bright: #1a63ee;
  --cobalt-dark: #0c3d98;
  --navy: #07182f;
  --ink: #10213a;
  --muted: #66758a;
  --light: #f3f7ff;
  --white: #fff;
  --red: #d7282f;
  --gold: #c99a32;
  --line: #dce4ef;
  --container: 1280px;
  --header: 92px;
  --font-body: "DM Sans", sans-serif;
  --font-display: "Manrope", sans-serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open {
  overflow: hidden;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 1000;
  background: #fff;
  padding: 10px 16px;
  transform: translateY(-150%);
}
.skip-link:focus {
  transform: none;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 54px;
  padding: 0 24px;
  border: 1px solid var(--cobalt);
  background: var(--cobalt);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: 0.25s ease;
}
.button:hover {
  background: var(--cobalt-dark);
  border-color: var(--cobalt-dark);
  transform: translateY(-2px);
}
.button-small {
  min-height: 44px;
  padding-inline: 18px;
}
.button-light {
  background: #fff;
  border-color: #fff;
  color: var(--navy);
}
.button-light:hover {
  background: var(--light);
  border-color: var(--light);
}
.button-ghost,
.button-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.button-ghost:hover,
.button-outline-light:hover {
  background: #fff;
  color: var(--navy);
  border-color: #fff;
}
.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition: 0.3s ease;
}
.site-header.scrolled,
.site-header.menu-visible {
  background: rgba(7, 24, 47, 0.97);
  box-shadow: 0 10px 35px rgba(3, 15, 31, 0.18);
  border-color: transparent;
}
.nav-shell {
  height: var(--header);
  display: flex;
  align-items: center;
  gap: 34px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 54px;
  height: 43px;
  display: grid;
  place-items: center;
  position: relative;
  background: linear-gradient(135deg, #e6ebf2, #8996a9 48%, #f5f7fa);
  clip-path: polygon(
    0 18%,
    72% 18%,
    100% 48%,
    100% 82%,
    84% 82%,
    76% 100%,
    18% 100%,
    10% 82%,
    0 82%
  );
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  background: var(--cobalt);
  clip-path: inherit;
}
.brand-mark span {
  position: relative;
  color: #efbd46;
  font: 800 13px var(--font-display);
  font-style: italic;
  text-shadow: 1px 1px #111;
}
.brand-copy {
  display: flex;
  flex-direction: column;
  text-transform: uppercase;
  line-height: 1;
}
.brand-copy strong {
  font: 800 17px var(--font-display);
  letter-spacing: 0.02em;
}
.brand-copy small {
  margin-top: 5px;
  font-size: 8px;
  letter-spacing: 0.28em;
  color: #aebdd1;
}
.nav-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex: 1;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 21px;
}
.main-nav a {
  position: relative;
  font-size: 13px;
  font-weight: 600;
  color: #dbe5f4;
  padding: 34px 0;
}
.main-nav a::after {
  content: "";
  position: absolute;
  height: 2px;
  inset: auto 50% 23px;
  background: #fff;
  transition: 0.25s;
}
.main-nav a:hover::after,
.main-nav a.active::after {
  inset-inline: 0;
}
.main-nav a.active {
  color: #fff;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-track {
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}
.nav-auth-link,.nav-account{display:inline-flex;align-items:center;gap:7px;color:#edf4ff;font-size:12px;font-weight:800;white-space:nowrap;transition:.2s}.nav-auth-link:hover,.nav-account:hover{color:#fff;transform:translateY(-1px)}
.mobile-account-actions{display:none}
.nav-auth-link svg,.nav-account svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}.nav-signup{display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 13px;border:1px solid rgba(255,255,255,.34);border-radius:8px;color:#fff;font-size:12px;font-weight:800;white-space:nowrap;transition:.2s}.nav-signup svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8}.nav-signup:hover{background:#fff;color:#0b3f96;border-color:#fff;transform:translateY(-1px)}
.nav-user-icon{width:31px;height:31px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,#347ced,#10479f);box-shadow:0 5px 14px rgba(0,0,0,.18)}.nav-logout{margin:0}.nav-logout button{width:33px;height:33px;display:grid;place-items:center;border:0;border-radius:8px;background:rgba(255,255,255,.1);color:#fff}.nav-logout button:hover{background:rgba(215,40,47,.8)}.nav-logout svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  background: none;
  border: 0;
  padding: 10px;
}
.menu-toggle i {
  height: 2px;
  background: #fff;
  display: block;
  margin: 6px 0;
  transition: 0.25s;
}
.site-footer {
  background: #061426;
  color: #b2c0d1;
  padding-top: 74px;
}
.footer-main {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr) 1.4fr;
  gap: 42px;
  padding-bottom: 64px;
}
.footer-main > div:not(.footer-brand) {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.footer-main h3 {
  margin: 0 0 10px;
  color: #fff;
  font: 700 13px var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.footer-main a {
  font-size: 14px;
  transition: 0.2s;
}
.footer-main > div:not(.footer-brand) a:hover {
  color: #fff;
  transform: translateX(3px);
}
.footer-brand p {
  max-width: 270px;
  line-height: 1.7;
  font-size: 14px;
}
.brand-light {
  color: #fff;
}
.socials {
  display: flex;
  gap: 8px;
  margin-top: 23px;
}
.socials a {
  width: 34px;
  height: 34px;
  border: 1px solid #314057;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
}
.footer-contact p {
  margin: 0;
  font-size: 13px;
}
.footer-contact p span {
  display: block;
  color: #65768c;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.footer-bottom {
  border-top: 1px solid #233249;
  display: flex;
  justify-content: space-between;
  padding-block: 24px;
  font-size: 12px;
  color: #718199;
}
@media (max-width: 1100px) {
  .main-nav {
    gap: 14px;
  }
  .main-nav a {
    font-size: 12px;
  }
  .nav-track {
    display: none;
  }
  .footer-main {
    grid-template-columns: 1.7fr repeat(3, 1fr);
  }
  .footer-contact {
    grid-column: 2/5;
    display: grid !important;
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (max-width: 900px) {
  :root {
    --header: 72px;
  }
  .container {
    width: min(calc(100% - 36px), var(--container));
  }
  .menu-toggle {
    display: block;
    margin-left: auto;
    position: relative;
    z-index: 2;
  }
  .menu-toggle[aria-expanded="true"] i:nth-of-type(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] i:nth-of-type(2) {
    opacity: 0;
  }
  .menu-toggle[aria-expanded="true"] i:nth-of-type(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .nav-panel {
    position: fixed;
    inset: 0;
    background: var(--navy);
    padding: 96px 28px 32px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    transform: translateX(100%);
    transition: 0.35s ease;
  }
  .nav-panel.open {
    transform: none;
  }
  .main-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .main-nav a {
    padding: 13px 0;
    font: 700 clamp(21px, 5vw, 30px) var(--font-display);
    border-bottom: 1px solid #24364d;
  }
  .main-nav a::after {
    display: none;
  }
  .nav-actions {
    padding-top: 24px;
  }
  .nav-actions .button {
    flex: 1;
  }
  .nav-track {
    display: inline;
  }
  .footer-main {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-brand {
    grid-column: 1/-1;
  }
  .footer-contact {
    grid-column: 1/-1;
  }
}
@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 28px), var(--container));
  }
  .brand-copy strong {
    font-size: 15px;
  }
  .brand-mark {
    width: 48px;
    height: 38px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 36px 22px;
  }
  .footer-main > div:nth-child(4) {
    grid-column: 1/-1;
  }
  .footer-contact {
    grid-template-columns: 1fr 1fr !important;
  }
  .footer-bottom {
    display: block;
    line-height: 1.7;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Shared SBR brand lockup */
.brand {
  gap: 0;
}
.brand-logo {
  display: block;
  width: 128px;
  height: 82px;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: contrast(1.08) saturate(1.05);
}
.main-nav {
  gap: 18px;
}
.main-nav a {
  font-size: 12px;
  font-weight: 700;
  padding-block: 38px;
}
.main-nav a::after {
  background: var(--cobalt-bright);
  bottom: 25px;
}
.nav-panel {
  gap: 24px;
}
.nav-track {
  font-size: 12px;
}
.site-footer {
  border-top: 4px solid var(--cobalt);
}
.footer-logo {
  width: min(230px, 100%);
  height: auto;
  margin: 0;
  object-fit: contain;
  object-position: left center;
  mix-blend-mode: normal;
  filter: none;
}
@media (max-width: 1100px) {
  .brand-logo {
    width: 110px;
  }
  .main-nav {
    gap: 11px;
  }
  .main-nav a {
    font-size: 11px;
  }
}
@media (max-width: 900px) {
  .brand-logo {
    width: 112px;
    height: 70px;
  }
  .main-nav a {
    font-size: clamp(21px, 5vw, 30px);
    padding-block: 13px;
  }
}
@media (max-width: 600px) {
  .brand-logo {
    width: 104px;
    height: 66px;
  }
  .footer-logo {
    width: min(205px, 100%);
    height: auto;
  }
}

/* One-shot shared navbar logo entrance */
.brand-nav {
  position: relative;
  width: 128px;
  height: 82px;
  isolation: isolate;
}
.brand-logo-frame {
  position: absolute;
  inset: 0;
  display: block;
  overflow: hidden;
  transform-origin: 50% 58%;
  will-change: transform, opacity;
}
.brand-nav .brand-logo-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: normal;
  filter: none;
  transition: transform 0.2s ease;
}
.brand-motion-trails {
  position: absolute;
  z-index: -1;
  left: -76px;
  top: 22px;
  width: 115px;
  height: 42px;
  pointer-events: none;
  opacity: 0;
}
.brand-motion-trails i {
  position: absolute;
  right: 0;
  height: 2px;
  transform-origin: right center;
  background: var(--cobalt-bright);
  box-shadow: 0 0 5px rgba(26, 99, 238, 0.3);
}
.brand-motion-trails i:nth-child(1) {
  top: 2px;
  width: 68px;
}
.brand-motion-trails i:nth-child(2) {
  top: 14px;
  width: 108px;
  height: 1px;
  background: var(--red);
}
.brand-motion-trails i:nth-child(3) {
  top: 27px;
  width: 88px;
}
.brand-motion-trails i:nth-child(4) {
  top: 39px;
  width: 50px;
  height: 1px;
  background: #a8c5f7;
}
.brand-logo-shine {
  position: absolute;
  z-index: 2;
  inset: -30% auto -30% -45%;
  width: 22%;
  pointer-events: none;
  opacity: 0;
  transform: translateX(-180%) skewX(-18deg);
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 245, 201, 0.55),
    rgba(255, 255, 255, 0.72),
    transparent
  );
  mix-blend-mode: screen;
}
.brand-intro-ready .brand-logo-frame {
  animation: sbrTruckArrival 1.58s cubic-bezier(0.2, 0.74, 0.22, 1) both;
}
.brand-intro-ready .brand-motion-trails {
  animation: sbrSpeedTrails 0.42s cubic-bezier(0.1, 0.72, 0.24, 1) both;
}
.brand-intro-ready .brand-logo-shine {
  animation: sbrMetalShine 1.58s ease-out both;
}
@keyframes sbrTruckArrival {
  0% {
    opacity: 0;
    transform: translateX(-88px) scale(0.96);
    filter: blur(3px);
  }
  22% {
    opacity: 1;
    filter: blur(0.8px);
  }
  55% {
    transform: translateX(0) translateY(0) scale(1);
    filter: blur(0);
  }
  68% {
    transform: translateY(2px);
  }
  78% {
    transform: translateY(-1px);
  }
  88%,
  100% {
    opacity: 1;
    transform: translate(0) scale(1);
    filter: blur(0);
  }
}
@keyframes sbrSpeedTrails {
  0% {
    opacity: 0;
    transform: translateX(-24px) scaleX(1.2);
  }
  20% {
    opacity: 0.85;
  }
  72% {
    opacity: 0.55;
    transform: translateX(62px) scaleX(0.58);
  }
  100% {
    opacity: 0;
    transform: translateX(86px) scaleX(0.12);
  }
}
@keyframes sbrMetalShine {
  0%,
  60% {
    opacity: 0;
    transform: translateX(-180%) skewX(-18deg);
  }
  66% {
    opacity: 0.48;
  }
  92% {
    opacity: 0.25;
    transform: translateX(630%) skewX(-18deg);
  }
  100% {
    opacity: 0;
    transform: translateX(680%) skewX(-18deg);
  }
}
@media (hover: hover) and (pointer: fine) {
  .brand-nav:hover .brand-logo-image {
    transform: scale(1.025);
  }
}

/* Compact responsive footer */
@media (max-width: 700px) {
  .site-footer {
    padding-top: 38px;
    padding-bottom: 76px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 30px 22px;
    padding-bottom: 38px;
  }
  .footer-brand {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding-bottom: 25px;
    border-bottom: 1px solid rgba(76, 101, 133, 0.34);
  }
  .footer-brand .brand {
    width: min(150px, 56%);
  }
  .footer-logo,
  .footer-brand .brand-logo {
    width: 100%;
    max-width: 150px;
    height: auto;
  }
  .footer-brand .socials {
    flex: none;
    margin-top: 0;
  }
  .footer-main > div:not(.footer-brand) {
    gap: 9px;
  }
  .footer-main h3 {
    margin-bottom: 7px;
    font-size: 10px;
    letter-spacing: 0.15em;
  }
  .footer-main a {
    font-size: 12px;
    line-height: 1.45;
  }
  .footer-customers {
    grid-column: 1 / -1;
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 14px !important;
    padding: 20px 0;
    border-block: 1px solid rgba(76, 101, 133, 0.28);
  }
  .footer-customers h3 {
    grid-column: 1 / -1;
  }
  .footer-contact {
    grid-column: 1 / -1;
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: 18px 22px !important;
  }
  .footer-contact h3 {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }
  .footer-contact p {
    font-size: 11px;
    line-height: 1.5;
  }
  .footer-contact p span {
    margin-bottom: 4px;
    font-size: 8px;
  }
  .footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-block: 18px;
    padding-right: 68px;
    font-size: 10px;
    line-height: 1.45;
  }
  .footer-bottom p {
    margin: 0;
  }
}
@media (max-width: 390px) {
  .footer-main {
    gap-inline: 16px;
  }
  .footer-customers {
    grid-template-columns: 1fr;
  }
  .footer-contact {
    grid-template-columns: 1fr !important;
  }
  .footer-brand .brand {
    width: 132px;
  }
  .footer-logo,
  .footer-brand .brand-logo {
    max-width: 132px;
  }
  .socials a {
    width: 36px;
    height: 36px;
  }
}
@media (max-width: 1100px) {
  .brand-nav {
    width: 110px;
  }
  .brand-motion-trails {
    left: -56px;
    width: 90px;
  }
}
@media (max-width: 900px) {
  .brand-nav {
    width: 112px;
    height: 70px;
  }
  .brand-motion-trails {
    left: -35px;
    width: 65px;
  }
  .brand-intro-ready .brand-logo-frame {
    animation-name: sbrTruckArrivalTablet;
  }
}
@keyframes sbrTruckArrivalTablet {
  0% {
    opacity: 0;
    transform: translateX(-52px) scale(0.97);
  }
  58% {
    opacity: 1;
    transform: translateX(0) translateY(0) scale(1);
  }
  73% {
    transform: translateY(2px);
  }
  84% {
    transform: translateY(-1px);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}
@media (max-width: 600px) {
  .brand-nav {
    width: 104px;
    height: 66px;
  }
  .brand-motion-trails {
    left: -24px;
    width: 46px;
  }
  .brand-intro-ready .brand-logo-frame {
    animation-name: sbrTruckArrivalMobile;
    animation-duration: 1.25s;
  }
  .brand-intro-ready .brand-logo-shine {
    animation-duration: 1.25s;
  }
}
@keyframes sbrTruckArrivalMobile {
  0% {
    opacity: 0;
    transform: translateX(-36px) scale(0.98);
  }
  62% {
    opacity: 1;
    transform: translateX(0) translateY(0) scale(1);
  }
  78% {
    transform: translateY(1px);
  }
  88% {
    transform: translateY(-1px);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .brand-nav .brand-logo-frame,
  .brand-nav .brand-motion-trails,
  .brand-nav .brand-logo-shine {
    animation: none !important;
    transform: none !important;
    filter: none !important;
    opacity: 1;
  }
  .brand-nav .brand-motion-trails,
  .brand-nav .brand-logo-shine {
    display: none;
  }
  .brand-nav .brand-logo-image {
    transform: none !important;
  }
}

/* Minimal premium SBR navbar */
.site-header {
  background: rgba(5, 20, 42, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: none;
}
.site-header:not(.scrolled):not(.menu-visible) {
  background: rgba(5, 20, 42, 0.88);
}
.site-header.scrolled {
  background: #07182f;
  border-color: rgba(255, 255, 255, 0.07);
  box-shadow: 0 8px 22px rgba(2, 12, 26, 0.18);
}
.nav-shell {
  width: min(calc(100% - 56px), 1440px);
  height: 94px;
  gap: 54px;
}
.brand-nav {
  width: 96px;
  height: 82px;
}
.nav-panel {
  justify-content: flex-start;
  gap: 0;
}
.main-nav {
  gap: 34px;
  padding: 0;
  background: none;
  border: 0;
  clip-path: none;
  transform: none;
}
.main-nav > a {
  min-height: 94px;
  padding: 0;
  display: flex;
  align-items: center;
  background: none;
  border: 0;
  color: #c8d3e1;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  transition: color 0.2s;
}
.main-nav > a:hover,
.main-nav > a.active {
  color: #fff;
  background: none;
}
.main-nav > a::before {
  display: none;
}
.main-nav > a::after {
  inset: auto auto 0 50%;
  width: 26px;
  height: 2px;
  background: var(--cobalt-bright);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 0.22s;
}
.main-nav > a:hover::after,
.main-nav > a.active::after {
  inset: auto auto 0 50%;
  transform: translateX(-50%) scaleX(1);
}
.nav-actions {
  margin-left: auto;
  gap: 32px;
  padding: 0;
  border: 0;
}
.nav-track {
  min-height: auto;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: none;
  color: #c8d3e1;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-track:hover {
  color: #fff;
  background: none;
}
.nav-track > span {
  position: relative;
  width: 13px;
  height: 13px;
  border: 1.5px solid #7e95b1;
  border-radius: 50%;
  transition: border-color 0.2s;
}
.nav-track > span::after {
  content: "";
  position: absolute;
  width: 3px;
  height: 3px;
  inset: 3.5px;
  background: #7e95b1;
  border-radius: 50%;
  transition: background-color 0.2s;
}
.nav-track:hover > span {
  border-color: #72a6ff;
}
.nav-track:hover > span::after {
  background: #72a6ff;
}
.nav-actions .button {
  min-height: 52px;
  padding-inline: 24px;
  border-radius: 3px;
  clip-path: none;
  box-shadow: none;
}
.nav-actions .button:hover {
  background: #1760dd;
  border-color: #1760dd;
  box-shadow: none;
}
.nav-actions .button b {
  font-size: 15px;
  transition: transform 0.2s;
}
.nav-actions .button:hover b {
  transform: translateX(3px);
}
@media (max-width: 1180px) {
  .nav-shell {
    width: min(calc(100% - 40px), 1440px);
    gap: 30px;
  }
  .brand-nav {
    width: 90px;
  }
  .main-nav {
    gap: 22px;
  }
  .main-nav > a {
    font-size: 13px;
  }
  .nav-actions {
    gap: 20px;
  }
  .nav-track {
    font-size: 13px;
  }
  .nav-actions .button {
    padding-inline: 19px;
  }
}
@media (max-width: 900px) {
  .nav-shell {
    width: min(calc(100% - 36px), 1440px);
    height: 72px;
    gap: 0;
  }
  .brand-nav {
    width: 92px;
    height: 68px;
  }
  .nav-panel {
    gap: 28px;
  }
  .main-nav {
    gap: 0;
  }
  .main-nav > a {
    min-height: auto;
    font-size: clamp(21px, 5vw, 30px);
  }
  .main-nav > a::after {
    display: none;
  }
  .nav-actions {
    margin-left: 0;
    gap: 16px;
  }
  .nav-track {
    font-size: 13px;
  }
}
@media (max-width: 600px) {
  .nav-shell {
    width: min(calc(100% - 28px), 1440px);
  }
  .brand-nav {
    width: 88px;
    height: 64px;
  }
  .nav-actions {
    gap: 12px;
  }
  .nav-track {
    font-size: 11px;
  }
  .nav-actions .button {
    min-height: 48px;
  }
}

/* Shared mechanical button system */
.button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 54px;
  padding: 0 24px;
  gap: 14px;
  border-radius: 3px;
  font-weight: 700;
  transform: none;
  box-shadow: none;
  transition:
    color 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
    background-color 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.24s cubic-bezier(0.2, 0.8, 0.2, 1),
    transform 0.1s ease;
}
.button:hover {
  transform: none;
  box-shadow: none;
}
.button:active {
  transform: translateY(1px);
}
.button .button-arrow {
  display: inline-block;
  flex: 0 0 auto;
  font-size: 1em;
  line-height: 1;
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.button-primary {
  background: var(--cobalt);
  border-color: var(--cobalt);
  color: #fff;
}
.button-primary::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -45%;
  bottom: -45%;
  left: -28%;
  width: 16%;
  opacity: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(226, 239, 255, 0.26),
    rgba(255, 255, 255, 0.42),
    transparent
  );
  transform: translateX(-120%) skewX(-18deg);
  transition:
    transform 0.36s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.16s ease;
}
.button-primary:hover {
  background: #1760dd;
  border-color: #4d84e5;
  color: #fff;
}
.button-primary:hover::before,
.button-primary:focus-visible::before {
  opacity: 1;
  transform: translateX(820%) skewX(-18deg);
}
.button-primary:hover .button-arrow,
.button-primary:focus-visible .button-arrow {
  transform: translateX(4px);
}
.button-primary-inverse {
  background: #202936;
  border-color: var(--navy);
}
.button-primary-inverse:hover {
  background: #0b2342;
  border-color: #7696bd;
}
.button-secondary {
  background: transparent;
  box-shadow: inset 0 -1px 0 transparent;
}
.button-secondary-light {
  color: var(--navy);
  border-color: #aebdce;
}
.button-secondary-light:hover {
  color: var(--cobalt);
  border-color: var(--cobalt);
  background: rgba(17, 78, 191, 0.055);
  box-shadow: inset 0 -2px 0 var(--cobalt);
}
.button-secondary-dark {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.button-secondary-dark:hover {
  color: #fff;
  border-color: #77a7f7;
  background: rgba(17, 78, 191, 0.13);
  box-shadow: inset 0 -2px 0 #70a3fb;
}
.button-secondary:hover .button-arrow,
.button-secondary:focus-visible .button-arrow {
  transform: translate(3px, -1px);
}
.text-action {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 18px;
  width: max-content;
  padding-bottom: 7px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  transition: color 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.text-action::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0.28);
  transform-origin: left;
  opacity: 0.55;
  transition:
    transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.2s;
}
.text-action span {
  display: inline-block;
  transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.text-action:hover {
  color: var(--cobalt);
}
.text-action:hover::after,
.text-action:focus-visible::after {
  transform: scaleX(1);
  opacity: 0.8;
}
.text-action:hover span,
.text-action:focus-visible span {
  transform: translateX(4px);
}
.text-action-light {
  color: #fff;
}
.text-action-light:hover {
  color: #9bc0ff;
}
.button:focus-visible,
.text-action:focus-visible,
.nav-track:focus-visible {
  outline: 2px solid #72a6ff;
  outline-offset: 2px;
}
.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.48;
  cursor: not-allowed;
  pointer-events: none;
}
.button:disabled::before,
.button[aria-disabled="true"]::before {
  display: none;
}
@media (prefers-reduced-motion: reduce) {
  .button,
  .button::before,
  .button .button-arrow,
  .text-action,
  .text-action::after,
  .text-action span {
    transition-property: color, background-color, border-color !important;
    transform: none !important;
  }
  .button-primary::before {
    display: none;
  }
}

/* Shared floating Email contact */
.email-contact {
  position: fixed;
  z-index: 90;
  right: max(28px, env(safe-area-inset-right));
  bottom: max(28px, env(safe-area-inset-bottom));
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 17px;
  overflow: hidden;
  white-space: nowrap;
  background: #202936;
  border: 1px solid var(--cobalt);
  border-radius: 29px;
  color: #fff;
  box-shadow:
    0 10px 26px rgba(2, 13, 29, 0.25),
    0 0 0 1px rgba(17, 78, 191, 0.08);
  transition:
    width 0.3s cubic-bezier(0.2, 0.8, 0.2, 1),
    background-color 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
    border-color 0.25s ease,
    transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.email-contact::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: #5f99f9;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.email-contact:hover,
.email-contact:focus-visible {
  width: 232px;
  background: #0b326f;
  border-color: #4c86e7;
  color: #fff;
  transform: translateY(-1px);
}
.email-contact:hover::after,
.email-contact:focus-visible::after {
  transform: scaleX(1);
}
.email-contact:active {
  transform: translateY(0);
}
.email-contact:focus-visible {
  outline: 2px solid #72a6ff;
  outline-offset: 3px;
}
.email-icon-wrap {
  position: relative;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  transition: transform 0.26s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.email-icon {
  width: 24px;
  height: 24px;
  display: block;
  color: #fff;
}
.email-contact:hover .email-icon-wrap,
.email-contact:focus-visible .email-icon-wrap {
  transform: translateX(2px);
}
.email-label {
  flex: 0 0 auto;
  opacity: 0;
  transform: translateX(10px);
  font-size: 13px;
  font-weight: 700;
  transition:
    opacity 0.2s 0.04s ease,
    transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.email-arrow {
  margin-left: auto;
  opacity: 0;
  transform: translateX(-5px);
  transition:
    opacity 0.18s 0.08s ease,
    transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.email-contact:hover .email-label,
.email-contact:focus-visible .email-label,
.email-contact:hover .email-arrow,
.email-contact:focus-visible .email-arrow {
  opacity: 1;
  transform: translateX(0);
}
.email-contact:hover .email-arrow,
.email-contact:focus-visible .email-arrow {
  transform: translateX(3px);
}
@media (max-width: 700px) {
  .email-contact,
  .email-contact:hover,
  .email-contact:focus-visible {
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    width: 54px;
    height: 54px;
    padding: 0 14px;
    border-radius: 14px;
    transform: none;
  }
  .email-label,
  .email-arrow {
    display: none;
  }
  .email-contact:hover .email-icon-wrap,
  .email-contact:focus-visible .email-icon-wrap {
    transform: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .email-contact,
  .email-contact::after,
  .email-icon-wrap,
  .email-label,
  .email-arrow {
    animation: none !important;
    transition-property: color, background-color, border-color !important;
    transform: none !important;
  }
}

/* Production responsive safety and premium mobile navigation */
.nav-panel,
.main-nav,
.nav-actions,
.footer-main > *,
main > * {
  min-width: 0;
}
@media (max-width: 1050px) {
  :root {
    --header: 72px;
  }
  .container,
  .nav-shell {
    width: min(calc(100% - clamp(32px, 10vw, 64px)), var(--container));
  }
  .site-header {
    height: 72px;
    background: #07182f;
  }
  .nav-shell {
    height: 72px;
    gap: 0;
  }
  .brand-nav {
    position: relative;
    z-index: 103;
    width: 92px;
    height: 68px;
  }
  .menu-toggle {
    position: relative;
    z-index: 104;
    display: block;
    width: 48px;
    height: 48px;
    margin-left: auto;
    padding: 12px;
    border: 1px solid rgba(73, 132, 229, 0.62);
    border-radius: 10px;
    background: #091d38;
    transition:
      border-color 0.22s,
      background-color 0.22s;
  }
  .menu-toggle:hover,
  .menu-toggle:focus-visible {
    border-color: #77a7f7;
    background: #0c2649;
  }
  .menu-toggle:focus-visible {
    outline: 2px solid #72a6ff;
    outline-offset: 2px;
  }
  .menu-toggle i {
    width: 21px;
    height: 2px;
    margin: 5px auto;
    background: #e5edf8;
    border-radius: 2px;
    transform-origin: center;
    transition:
      transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
      opacity 0.16s ease,
      width 0.2s;
  }
  .menu-toggle i:nth-of-type(2) {
    width: 15px;
    margin-right: 1px;
  }
  .menu-toggle[aria-expanded="true"] i:nth-of-type(1) {
    width: 21px;
    transform: translateY(7px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] i:nth-of-type(2) {
    opacity: 0;
    transform: translateX(5px);
  }
  .menu-toggle[aria-expanded="true"] i:nth-of-type(3) {
    width: 21px;
    transform: translateY(-7px) rotate(-45deg);
  }
  .nav-panel {
    position: fixed;
    z-index: 102;
    inset: 0;
    display: flex;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: clamp(94px, 13vh, 122px) clamp(20px, 6vw, 56px)
      max(26px, env(safe-area-inset-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #07182f;
    transform: translateX(100%);
    visibility: hidden;
    transition:
      transform 0.32s cubic-bezier(0.2, 0.8, 0.2, 1),
      visibility 0s 0.32s;
  }
  .nav-panel::before {
    content: "";
    position: fixed;
    z-index: -1;
    inset: 72px 0 auto;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
  }
  .nav-panel::after {
    content: "SBR";
    position: fixed;
    z-index: -1;
    right: -18px;
    bottom: 4%;
    color: rgba(54, 106, 187, 0.055);
    font: 800 clamp(120px, 35vw, 270px)/0.8 var(--font-display);
    font-style: italic;
    pointer-events: none;
  }
  .nav-panel.open {
    transform: none;
    visibility: visible;
    transition-delay: 0s;
  }
  .main-nav {
    counter-reset: sbr-mobile-nav;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    max-width: 660px;
    margin: 0 auto;
  }
  .main-nav > a {
    counter-increment: sbr-mobile-nav;
    position: relative;
    min-height: 0;
    padding: clamp(11px, 2.2vh, 17px) 0;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.11);
    background: none;
    color: #bcc9d9;
    font: 600 clamp(1.65rem, 5.2vw, 2.05rem)/1.1 var(--font-display);
    letter-spacing: -0.025em;
    opacity: 0;
    transform: translateX(10px);
    transition:
      color 0.2s,
      opacity 0.28s ease,
      transform 0.28s ease;
  }
  .nav-panel.open .main-nav > a {
    opacity: 1;
    transform: none;
  }
  .nav-panel.open .main-nav > a:nth-child(1) {
    transition-delay: 0.04s;
  }
  .nav-panel.open .main-nav > a:nth-child(2) {
    transition-delay: 0.07s;
  }
  .nav-panel.open .main-nav > a:nth-child(3) {
    transition-delay: 0.1s;
  }
  .nav-panel.open .main-nav > a:nth-child(4) {
    transition-delay: 0.13s;
  }
  .nav-panel.open .main-nav > a:nth-child(5) {
    transition-delay: 0.16s;
  }
  .nav-panel.open .main-nav > a:last-child {
    transition-delay: 0.19s;
  }
  .main-nav > a::before {
    content: "0" counter(sbr-mobile-nav);
    display: block;
    flex: 0 0 28px;
    margin-right: 12px;
    color: #5e91e6;
    font: 700 9px/1 var(--font-display);
    letter-spacing: 0.08em;
  }
  .main-nav > a {
    display: flex;
    align-items: center;
  }
  .main-nav > a::after {
    display: none;
  }
  .main-nav > a.active {
    color: #fff;
  }
  .main-nav > a.active::before {
    position: static;
    width: auto;
    height: auto;
    background: none;
    transform: none;
    color: #8ab3fb;
  }
  .main-nav > a.active {
    box-shadow: inset 3px 0 0 var(--cobalt);
    padding-left: 13px;
  }
  .nav-actions {
    width: 100%;
    max-width: 660px;
    margin: auto auto 0;
    padding: clamp(24px, 5vh, 38px) 0 0;
    display: flex;
    align-items: center;
    gap: 16px;
    border: 0;
  }
  .nav-track {
    min-height: 52px;
    justify-content: center;
    flex: 1;
    color: #d8e2ef;
    font-size: 13px;
  }
  .nav-actions .button {
    min-height: 52px;
    flex: 1;
    padding-inline: 18px;
  }
}
@media (max-width: 600px) {
  .container,
  .nav-shell {
    width: min(calc(100% - clamp(32px, 9vw, 40px)), var(--container));
  }
  .brand-nav {
    width: 88px;
    height: 64px;
  }
  .nav-panel {
    padding-inline: clamp(16px, 5vw, 28px);
  }
  .main-nav > a {
    font-size: clamp(1.62rem, 7vw, 1.95rem);
  }
  .footer-contact {
    grid-template-columns: 1fr !important;
  }
  .footer-contact p {
    min-width: 0;
    overflow-wrap: anywhere;
  }
}
@media (max-width: 360px) {
  .nav-panel {
    padding-top: 88px;
  }
  .main-nav > a {
    padding-block: 10px;
    font-size: clamp(1.5rem, 7.5vw, 1.72rem);
  }
  .nav-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 8px;
    padding-top: 20px;
  }
  .nav-track,
  .nav-actions .button {
    width: 100%;
    flex: none;
  }
  .menu-toggle {
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 1050px) and (max-height: 620px) {
  .nav-panel {
    padding-top: 82px;
  }
  .main-nav > a {
    padding-block: 8px;
    font-size: clamp(1.35rem, 4.5vw, 1.7rem);
  }
  .nav-actions {
    padding-top: 18px;
    margin-top: 14px;
  }
}
@media (hover: none), (pointer: coarse) {
  .email-contact,
  .email-contact:hover,
  .email-contact:focus-visible {
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    width: 54px;
    height: 54px;
    padding: 0 14px;
    border-radius: 14px;
    transform: none;
  }
  .email-label,
  .email-arrow {
    display: none;
  }
  .email-contact:hover .email-icon-wrap,
  .email-contact:focus-visible .email-icon-wrap {
    transform: none;
  }
}
@media (max-width: 700px) {
  .site-footer {
    padding-bottom: 72px;
  }
}

.socials a {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(83, 105, 135, 0.5);
  border-radius: 50%;
  background: transparent;
  color: #c5d0df;
  transition:
    background-color 0.22s ease,
    color 0.22s ease,
    border-color 0.22s ease,
    transform 0.22s ease,
    box-shadow 0.22s ease;
}
.socials a svg {
  width: 19px;
  height: 19px;
  display: block;
}
.socials a:focus-visible {
  outline: 2px solid #72a6ff;
  outline-offset: 3px;
}
@media (hover: hover) and (pointer: fine) {
  .socials a:hover {
    background: var(--cobalt);
    border-color: var(--cobalt);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 12px rgba(2, 13, 29, 0.2);
  }
}

/* Customer authentication action layout */
@media (max-width: 1320px) and (min-width: 1051px) {
  .nav-auth-link span,.nav-account>span:last-child,.nav-signup span{display:none}
  .nav-auth-link,.nav-signup{width:40px;height:40px;padding:0;justify-content:center}
  .nav-actions{gap:11px}
  .nav-track{display:none}
}
@media (max-width: 1050px) {
  .nav-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px}
  .nav-track,.nav-actions .button{grid-column:span 2}
  .nav-auth-link,.nav-signup,.nav-account{min-height:48px;justify-content:center;border:1px solid rgba(255,255,255,.18);border-radius:9px}
  .nav-logout{display:flex;justify-content:center}.nav-logout button{width:48px;height:48px}
  .nav-actions>.nav-account,.nav-actions>.nav-logout{display:none}
  .mobile-account-actions{display:flex;align-items:center;gap:7px;margin-left:auto;margin-right:9px;position:relative;z-index:104}
  .mobile-account-link{height:44px;display:flex;align-items:center;gap:8px;padding:0 10px 0 5px;border:1px solid rgba(102,155,235,.32);border-radius:11px;background:rgba(17,55,106,.5);color:#fff}
  .mobile-account-link>span{width:32px;height:32px;display:grid;place-items:center;border-radius:9px;background:linear-gradient(145deg,#317cf0,#1353bd);font:800 13px var(--font-display);box-shadow:0 5px 13px rgba(7,53,133,.32)}
  .mobile-account-link small{max-width:72px;overflow:hidden;text-overflow:ellipsis;color:#e5edf8;font-size:11px;font-weight:800;white-space:nowrap}
  .mobile-account-actions form{margin:0}.mobile-account-actions button{width:44px;height:44px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.13);border-radius:11px;background:rgba(255,255,255,.06);color:#dce7f5;transition:.2s}
  .mobile-account-actions button:hover,.mobile-account-actions button:focus-visible{border-color:rgba(235,80,89,.5);background:rgba(192,39,48,.28);color:#fff}
  .mobile-account-actions svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .menu-toggle{margin-left:auto}.mobile-account-actions+.menu-toggle{margin-left:0}
  .nav-track{position:relative;min-height:72px!important;padding:14px 52px 14px 58px!important;display:flex!important;justify-content:flex-start!important;border:1px solid rgba(81,145,240,.3);border-radius:12px;background:linear-gradient(110deg,rgba(16,61,126,.43),rgba(8,35,69,.52));color:#fff!important;font:800 14px var(--font-display)!important;letter-spacing:.01em;overflow:hidden}
  .nav-track>span{position:absolute;left:19px;width:25px;height:25px;border:1px solid #6fa4f4;box-shadow:0 0 0 5px rgba(47,112,217,.11)}
  .nav-track:before{content:"Secure customer tracking";position:absolute;left:58px;bottom:13px;color:#7f96b3;font:600 9px var(--font-body);letter-spacing:.08em;text-transform:uppercase}
  .nav-track:after{content:"→︎";position:absolute;right:19px;top:23px;color:#83b1fa;font-size:20px;transition:transform .2s}
  .nav-track:hover{border-color:rgba(100,161,250,.52);background:linear-gradient(110deg,rgba(21,73,151,.55),rgba(9,41,81,.65))}.nav-track:hover:after{transform:translateX(3px)}
}
@media (max-width: 360px) {
  .nav-actions{display:flex}
  .nav-auth-link,.nav-signup,.nav-account{width:100%}
  .mobile-account-link small{display:none}.mobile-account-link{padding-right:5px}
}

/* Clean premium desktop navbar */
@media (min-width:1051px){
  .site-header{height:88px;background:linear-gradient(90deg,rgba(5,19,38,.96),rgba(7,29,56,.94));border-bottom:1px solid rgba(112,157,221,.18);box-shadow:0 8px 28px rgba(0,10,27,.16);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
  .site-header.scrolled{background:rgba(5,20,40,.98);box-shadow:0 12px 34px rgba(0,8,22,.28)}
  .nav-shell{width:min(calc(100% - 56px),1440px);height:88px;gap:34px}
  .brand-nav{width:112px;height:78px;padding-right:25px;border-right:1px solid rgba(255,255,255,.1)}
  .brand-logo-frame{width:96px;height:70px}.brand-logo-image{max-height:68px}
  .nav-panel{gap:26px}.main-nav{gap:27px}
  .main-nav a{padding:34px 0;color:#b8c6d8;font-size:13px;transition:color .2s ease}
  .main-nav a:after{height:2px;bottom:21px;background:linear-gradient(90deg,#2c78f0,#79aaff);box-shadow:0 0 10px rgba(50,124,242,.45)}
  .main-nav a:hover,.main-nav a.active{color:#fff}
  .nav-actions{gap:13px;margin-left:auto}
  .nav-track{display:inline-flex;align-items:center;gap:8px;padding:0 8px;color:#bbc9da}
  .nav-auth-link{min-height:40px;padding:0 10px;border-radius:7px}.nav-auth-link:hover{background:rgba(255,255,255,.06)}
  .nav-signup{min-height:42px;border-radius:7px;border-color:rgba(143,177,225,.4);background:rgba(255,255,255,.025)}
  .nav-signup:hover{background:#fff;color:#0b3f96;box-shadow:0 8px 18px rgba(0,0,0,.15)}
  .nav-actions .button{min-height:48px;padding-inline:21px;border-radius:7px;background:linear-gradient(100deg,#1555c4,#216fea);box-shadow:0 8px 18px rgba(15,72,170,.22)}
  .nav-actions .button:hover{background:linear-gradient(100deg,#195fda,#2a7af7);box-shadow:0 11px 22px rgba(15,72,170,.3)}
}
@media (min-width:1051px) and (max-width:1200px){.nav-track{display:none}.nav-shell{gap:22px}.main-nav{gap:19px}}

/* Premium responsive navigation drawer — desktop navigation remains unchanged. */
@media (max-width:1050px){
  .site-header.menu-visible{background:#06172d;border-bottom-color:rgba(103,157,235,.24);box-shadow:0 14px 34px rgba(0,8,22,.28)}
  .nav-panel{padding:clamp(90px,11vh,108px) clamp(18px,5vw,42px) max(20px,env(safe-area-inset-bottom));background:radial-gradient(circle at 88% 82%,rgba(25,83,166,.2),transparent 34%),linear-gradient(145deg,#06172d 0%,#071d38 58%,#05152a 100%)}
  .nav-panel::before{background:linear-gradient(90deg,transparent,rgba(110,164,240,.28),transparent)}
  .nav-panel::after{right:-10px;bottom:1%;color:rgba(75,129,211,.045)}
  .main-nav{border:1px solid rgba(100,143,201,.16);border-radius:16px;overflow:hidden;background:rgba(3,18,36,.32);box-shadow:0 24px 60px rgba(0,7,19,.2)}
  .main-nav>a{min-height:62px;padding:13px 48px 13px 18px;border-bottom-color:rgba(126,159,202,.15);font-size:clamp(1.42rem,4.7vw,1.86rem);transition:color .2s,background-color .2s,opacity .28s ease,transform .28s ease}
  .main-nav>a:last-child{border-bottom:0}
  .main-nav>a::before{flex-basis:30px;margin-right:13px;color:#6094e9}
  .main-nav>a::after{content:'→︎';position:absolute;left:auto;right:19px;top:50%;bottom:auto;width:auto;height:auto;display:block;background:none;box-shadow:none;color:#55789f;font:500 16px/1 var(--font-body);opacity:0;transform:translate(-5px,-50%);transition:color .2s,opacity .2s,transform .2s}
  .main-nav>a:hover,.main-nav>a:focus-visible{outline:0;background:rgba(43,105,199,.11);color:#fff}
  .main-nav>a:hover::after,.main-nav>a:focus-visible::after,.main-nav>a.active::after{opacity:1;transform:translate(0,-50%);color:#86b4fb}
  .main-nav>a.active{padding-left:18px;background:linear-gradient(90deg,rgba(30,98,206,.24),rgba(20,68,139,.08));box-shadow:inset 3px 0 0 #3981ef;color:#fff}
  .nav-actions{max-width:660px;margin:14px auto 0;padding-top:0;gap:10px}
  .nav-track{min-height:64px!important;border-radius:13px;box-shadow:inset 0 1px rgba(255,255,255,.03)}
  .nav-actions .button{min-height:50px;border-radius:10px;box-shadow:0 12px 25px rgba(8,55,139,.2)}
  .nav-auth-link,.nav-signup{min-height:48px;background:rgba(255,255,255,.025);border-color:rgba(116,158,215,.22)}
  .nav-auth-link:hover,.nav-signup:hover{background:rgba(42,102,194,.15);border-color:rgba(107,163,245,.5);color:#fff}
}
@media (max-width:600px){
  .nav-panel{padding:86px 14px max(14px,env(safe-area-inset-bottom))}
  .main-nav{border-radius:13px}
  .main-nav>a{min-height:54px;padding:10px 42px 10px 14px;font-size:clamp(1.24rem,6vw,1.62rem)}
  .main-nav>a::before{flex-basis:26px;margin-right:9px;font-size:8px}
  .main-nav>a::after{right:14px;font-size:15px}
  .main-nav>a.active{padding-left:14px}
  .nav-actions{margin-top:10px;gap:8px}
  .nav-track{min-height:60px!important;padding:12px 45px 12px 52px!important;font-size:12px!important}
  .nav-track>span{left:15px;width:23px;height:23px}
  .nav-track::before{left:52px;bottom:11px;font-size:7px}
  .nav-track::after{right:15px;top:19px}
  .nav-actions .button,.nav-auth-link,.nav-signup{min-height:46px}
}
@media (max-width:1050px) and (max-height:680px){
  .nav-panel{padding-top:78px}
  .main-nav>a{min-height:43px;padding-block:7px;font-size:clamp(1.12rem,4vw,1.4rem)}
  .nav-actions{margin-top:8px}
  .nav-track{min-height:52px!important}
  .nav-track::before{display:none}
  .nav-actions .button,.nav-auth-link,.nav-signup{min-height:42px}
}

/* Premium desktop navigation: one active rail, quiet glass hover. */
@media(min-width:1051px){
  .site-header{background:linear-gradient(90deg,rgba(4,17,35,.97),rgba(7,29,56,.95));border-bottom-color:rgba(132,172,226,.16);box-shadow:0 10px 32px rgba(0,9,24,.2)}
  .site-header::after{content:"";position:absolute;inset:auto 0 -1px;height:1px;background:linear-gradient(90deg,transparent 5%,rgba(91,145,220,.22) 50%,transparent 95%);pointer-events:none}
  .main-nav{gap:12px}
  .main-nav>a{min-height:44px;margin:22px 0;padding:0 14px;border-radius:8px;color:#aebed1;transition:color .2s ease,background-color .2s ease,box-shadow .2s ease}
  .main-nav>a:hover:not(.active),.main-nav>a:focus-visible:not(.active){color:#eef5ff;background:rgba(86,137,207,.1);box-shadow:inset 0 0 0 1px rgba(126,169,226,.1)}
  .main-nav>a:hover:not(.active)::after,.main-nav>a:focus-visible:not(.active)::after{transform:translateX(-50%) scaleX(0)}
  .main-nav>a.active{color:#fff;background:rgba(44,107,205,.1)}
  .main-nav>a.active::after{bottom:-22px;width:28px;height:2px;background:linear-gradient(90deg,#377fe9,#7eb0ff);box-shadow:0 0 12px rgba(65,132,238,.5);transform:translateX(-50%) scaleX(1)}
  .nav-track{border-radius:8px;transition:color .2s ease,background-color .2s ease}
  .nav-track:hover{background:rgba(86,137,207,.08)}
}