:root {
  --navy: #0B1F4D;
  --cyan: #28A9D9;
  --text: #1E2A3A;
  --muted: #5F6D81;
  --bg: #F7FAFD;
  --white: #FFFFFF;
  --shadow: 0 18px 50px rgba(11, 31, 77, 0.08);
  --radius: 22px;
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #eef2f7;
}

img { display: block; max-width: 100%; }

a { color: inherit; text-decoration: none; }

button {
  font: inherit;
  color: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(11,31,77,0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand img {
  width: clamp(220px, 26vw, 340px);
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  font-weight: 600;
  color: var(--muted);
}

.main-nav a:hover,
.main-nav a:focus-visible,
.nav-drop-trigger:hover,
.nav-drop-trigger:focus-visible {
  color: var(--navy);
}

.nav-dropdown {
  position: relative;
}

.nav-drop-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
  font-weight: 600;
}

.nav-drop-trigger::after {
  content: '▾';
  font-size: 0.9rem;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 190px;
  padding: 0.6rem;
  border-radius: 18px;
  background: rgba(255,255,255,0.98);
  border: 1px solid rgba(11,31,77,0.08);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.35rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.dropdown-menu a {
  padding: 0.8rem 0.95rem;
  border-radius: 12px;
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
  background: #EFF6FB;
  color: var(--navy);
}

.nav-dropdown.open .dropdown-menu,
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(-4px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.5rem;
  border-radius: 14px;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  color: white;
  background: linear-gradient(90deg, var(--cyan), #228FDA);
  box-shadow: 0 12px 30px rgba(40, 169, 217, 0.25);
}

.btn-outline {
  background: #EFF6FB;
  color: #1275B6;
  border: 1px solid #D5E7F4;
}

.hero,
.solution-hero {
  position: relative;
  overflow: hidden;
  background: white;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-grid,
.solution-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 2rem;
  min-height: 680px;
  padding-block: 3rem 6rem;
}

.hero-copy,
.solution-copy {
  max-width: 530px;
}

.eyebrow {
  display: inline-flex;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: #ECF8FD;
  border: 1px solid #D3ECF7;
  color: #1785C3;
  font-weight: 700;
  margin: 0 0 1rem;
}

h1, h2, h3 {
  margin: 0;
  line-height: 0.95;
  color: var(--navy);
}

h1 {
  font-size: clamp(3.1rem, 7vw, 5.4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.hero .lede,
.solution-copy .lede {
  margin: 1.5rem 0 0;
  max-width: 480px;
  font-size: 1.25rem;
  line-height: 1.55;
  color: #4E5E74;
}

.hero-actions {
  margin-top: 2rem;
}

.hero-art-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-art {
  width: min(100%, 760px);
  filter: drop-shadow(0 20px 40px rgba(11,31,77,0.09));
}

.section-divider {
  width: 100%;
  height: auto;
  display: block;
}


.broadband-products {
  background: white;
  padding: 0 0 1rem;
}

.product-grid {
  margin-top: -2.25rem;
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  background: white;
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 1.4rem 1.2rem 1.5rem;
  min-height: 300px;
}

.product-card h3 {
  font-size: 1.65rem;
  line-height: 1.05;
}

.product-sub {
  margin: 0.6rem 0 0.8rem;
  color: #1785C3;
  font-weight: 800;
  line-height: 1.3;
}

.product-card p:not(.product-sub) {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.98rem;
}

.product-card ul {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--text);
  line-height: 1.55;
}

.product-card li + li {
  margin-top: 0.45rem;
}

.services,
.solution-details {
  position: relative;
  background: white;
  padding-block: 2rem 2rem;
}

.services h2,
.solution-details h2,
.cta h2 {
  text-align: center;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.cards {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.card {
  position: relative;
  overflow: hidden;
  background: white;
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 2rem 1.6rem 2.2rem;
  min-height: 370px;
  text-align: center;
  isolation: isolate;
}

.card-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.card-icon {
  width: 112px;
  height: 112px;
  margin: 0 auto 1rem;
}

.card h3 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.05;
}

.card p {
  margin: 1rem auto 0;
  max-width: 250px;
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.05rem;
}

.card-link {
  display: inline-flex;
  margin-top: 1.5rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  background: #EFF6FB;
  color: #1275B6;
  font-weight: 700;
}

.solution-grid {
  margin-top: 2.75rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.solution-panel {
  padding: 1.75rem;
  border-radius: 24px;
  background: white;
  box-shadow: var(--shadow);
}

.solution-panel h3 {
  font-size: 1.5rem;
  line-height: 1.15;
}

.solution-panel p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

.back-link {
  display: inline-flex;
  margin-top: 2rem;
  font-weight: 700;
  color: #1275B6;
}

.bottom-divider {
  margin-top: 3rem;
}

.cta {
  position: relative;
  overflow: hidden;
  color: white;
}

.cta-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: 5rem 6rem;
}

.cta h2,
.cta p {
  color: white;
}

.cta-big {
  margin: 1rem 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  font-weight: 800;
}

.cta-inner > p:last-of-type {
  font-size: 1.15rem;
  opacity: 0.92;
}

.site-footer {
  position: relative;
  z-index: 1;
  padding: 0 0 2rem;
}

.footer-grid {
  display: grid;
  gap: 1rem;
  justify-items: center;
}

.footer-logo {
  width: min(100%, 320px);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0.95;
}

.footer-meta {
  margin: 0;
  opacity: 0.8;
  text-align: center;
}

@media (max-width: 1080px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 960px) {
  .main-nav {
    display: none;
  }

  .hero-grid,
  .solution-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 2rem 4rem;
  }

  .hero-copy,
  .solution-copy {
    max-width: none;
    text-align: center;
    margin-inline: auto;
  }

  .cards,
  .solution-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    margin-top: 1rem;
  }
}

@media (max-width: 640px) {
  .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

  .brand img {
    width: 210px;
  }

  .btn-outline {
    display: none;
  }

  .card {
    min-height: 340px;
  }

  .cta-inner {
    padding-block: 4rem 4.5rem;
  }
}


.contact-hero .solution-hero-grid {
  min-height: 640px;
  gap: 3rem;
  align-items: start;
}

.contact-hero .solution-copy,
.contact-hero .contact-card {
  align-self: start;
}

.contact-card {
  background: rgba(255,255,255,0.96);
  border: 1px solid rgba(11,31,77,0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.45rem;
}

.form-row label {
  font-weight: 700;
  color: var(--navy);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #D5E7F4;
  background: #F8FBFE;
  border-radius: 16px;
  padding: 0.95rem 1rem;
  font: inherit;
  color: var(--text);
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: #28A9D9;
  box-shadow: 0 0 0 4px rgba(40, 169, 217, 0.12);
}

.contact-form textarea {
  resize: vertical;
  min-height: 160px;
}

.contact-form .btn {
  width: 100%;
  margin-top: 0.25rem;
}

.contact-info-strip {
  background: white;
  padding: 1rem 0 4rem;
}

.contact-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.info-panel {
  background: white;
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

.info-panel h3 {
  font-size: 1.45rem;
  line-height: 1.1;
}

.info-panel p {
  margin: 0.85rem 0 0;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 960px) {
  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .contact-card {
    padding: 1rem;
  }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-header .btn {
  white-space: nowrap;
}

.contact-details {
  background: #ffffff;
  padding: 20px;
  border-radius: 20px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.contact-details h3 {
  margin-bottom: 10px;
}

.contact-details p {
  margin: 5px 0;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.contact-card-item {
  background: #ffffff;
  padding: 20px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  text-align: center;
}

.contact-card-item h4 {
  margin-bottom: 8px;
}

.contact-card-item a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
}


.form-status {
  border-radius: 16px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.form-status-success {
  background: #ecfdf3;
  border: 1px solid #b7ebc6;
  color: #166534;
}

.form-status-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}


.submit-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-width: 180px;
}

.submit-btn:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

.btn-spinner {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  display: none;
  flex-shrink: 0;
}

.submit-btn.is-loading .btn-spinner {
  display: inline-block;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}


.submit-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-width: 180px;
}

.submit-btn:disabled {
  opacity: 0.85;
  cursor: not-allowed;
}

.btn-spinner {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  display: none;
  flex-shrink: 0;
}

.submit-btn.is-loading .btn-spinner {
  display: inline-block;
  animation: asc-spin 0.8s linear infinite;
}

@keyframes asc-spin {
  to {
    transform: rotate(360deg);
  }
}

.success-popup[hidden] {
  display: none !important;
}

.success-popup {
  position: fixed;
  inset: 0;
  z-index: 9999;
}

.success-popup__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 31, 77, 0.58);
}

.success-popup__dialog {
  position: relative;
  z-index: 1;
  width: min(92vw, 520px);
  margin: 10vh auto 0;
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(11, 31, 77, 0.22);
  padding: 2rem;
  text-align: center;
}

.success-popup__dialog h2 {
  margin-bottom: 0.75rem;
}

.success-popup__dialog p {
  margin-bottom: 1.25rem;
}

.success-popup__close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  border: 0;
  background: transparent;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  color: #0b1f4d;
}

body.modal-open {
  overflow: hidden;
}

/* ===== Minimal mobile enhancements from original deploy ===== */
html {
  color-scheme: light;
}

.nav-toggle {
  display: none;
}

.site-header {
  transition: box-shadow 180ms ease;
}

.site-header.is-scrolled {
  box-shadow: 0 12px 30px rgba(11,31,77,0.08);
}

@media (max-width: 900px) {
  .site-header {
    overflow: visible;
  }

  .nav {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 0.75rem;
    padding-block: 0.75rem;
  }

  .brand {
    min-width: 0;
  }

  .brand img {
    width: clamp(150px, 34vw, 220px);
    max-width: 100%;
    height: auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 4px;
    width: 42px;
    height: 42px;
    padding: 0;
    border: 1px solid #D5E7F4;
    border-radius: 12px;
    background: #EFF6FB;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease;
  }

  .nav-toggle:hover,
  .nav-toggle:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(11,31,77,0.08);
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--navy);
    border-radius: 999px;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .nav-toggle.is-open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.98);
    border: 1px solid rgba(11,31,77,0.08);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 0.75rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 0.8rem 0.95rem;
    border-radius: 12px;
  }

  .main-nav a:hover,
  .main-nav a:focus-visible {
    background: #EFF6FB;
    color: var(--navy);
  }

  .main-nav .mobile-contact-link {
    background: #EFF6FB;
    border: 1px solid #D5E7F4;
    color: #1275B6;
    font-weight: 700;
  }

  .site-header .btn {
    width: auto;
    min-height: 40px;
    padding: 0.7rem 1rem;
    white-space: nowrap;
    box-shadow: 0 8px 18px rgba(18,117,182,0.10);
  }

  .hero-grid,
  .solution-hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-block: 2rem 3.5rem;
    gap: 1.25rem;
  }

  .hero-copy,
  .solution-copy,
  .contact-card {
    max-width: 100%;
  }

  .hero-art-wrap {
    justify-content: flex-start;
  }

  .hero-art {
    width: min(100%, 520px);
  }

  .cards,
  .product-grid,
  .solution-grid,
  .contact-info-grid,
  .contact-cards {
    grid-template-columns: 1fr;
  }

  .card,
  .product-card,
  .solution-panel,
  .contact-card,
  .info-panel,
  .contact-card-item {
    min-height: auto;
  }

  .contact-hero .solution-hero-grid {
    display: flex;
    flex-direction: column;
    align-items: stretch;
  }

  .contact-hero .contact-card {
    order: -1;
    width: 100%;
    margin-bottom: 1rem;
  }

  .contact-hero .solution-copy {
    order: 2;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--container), calc(100% - 1rem));
  }

  .hero .hero-bg,
  .solution-hero .hero-bg {
    opacity: 0.35;
  }

  h1 {
    font-size: clamp(2.1rem, 9vw, 3rem);
    line-height: 1.02;
  }

  .services h2,
  .solution-details h2,
  .cta h2 {
    font-size: clamp(1.9rem, 7vw, 2.6rem);
  }

  .hero .lede,
  .solution-copy .lede {
    font-size: 1rem;
    line-height: 1.55;
    margin-top: 0.85rem;
  }

  .contact-form input,
  .contact-form textarea,
  .contact-form select {
    width: 100%;
    font-size: 16px;
    border-radius: 14px;
  }

  .contact-form .btn,
  .submit-btn,
  .btn {
    min-height: 48px;
  }

  .card,
  .product-card,
  .solution-panel,
  .contact-card,
  .info-panel,
  .contact-card-item {
    padding: 1rem;
  }

  .card-icon {
    width: 84px;
    height: 84px;
  }

  .footer-grid {
    gap: 1rem;
  }
}


/* enforce mobile-only contact link inside hamburger */
.mobile-contact-link {
  display: none !important;
}

@media (max-width: 900px) {
  .main-nav .mobile-contact-link {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
  }
}