:root {
  --bg: #f4f7fb;
  --bg-soft: #ffffff;
  --bg-card: #ffffff;
  --text: #0f1b2a;
  --muted: #4f647b;
  --primary: #0077c8;
  --primary-strong: #0094ff;
  --accent: #00a3e0;
  --border: #d7e1eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f9fbfe 0%, var(--bg) 100%);
  line-height: 1.5;
}

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, #ffffff 0%, #e6e8ed 100%);
  overflow: hidden;
}

.topbar::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: max(240px, calc(50% - 333px));
  background: linear-gradient(90deg, #005596 0%, #003761 100%);
  z-index: 0;
}

.nav-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 20px 0;
  min-height: 84px;
}

.topbar-logo {
  display: flex;
  align-items: center;
  align-self: center;
  flex-shrink: 0;
  text-decoration: none;
  padding-right: 1.25rem;
  height: 100%;
  margin-left: -50px;
}

.topbar-logo img {
  display: block;
  height: 44px;
  width: auto;
  max-width: 253px;
  object-fit: contain;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.main-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.main-nav a {
  color: #003761;
  text-decoration: none;
  font-weight: 500;
}

.main-nav a:hover {
  color: #005596;
}

.nav-divider {
  width: 1px;
  height: 1.1em;
  background: #d9dadb;
  flex-shrink: 0;
}

.nav-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid #c7d6e6;
  border-radius: 10px;
  background: #ffffff;
  color: #003761;
  cursor: pointer;
  flex: 0 0 44px;
  position: relative;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.nav-menu-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.nav-menu-svg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.nav-menu-svg--close {
  opacity: 0;
}

.nav-menu-btn.is-open .nav-menu-svg--open {
  opacity: 0;
}

.nav-menu-btn.is-open .nav-menu-svg--close {
  opacity: 1;
}

.video-embed-banner {
  width: 100%;
  height: 75vh;
  min-height: 240px;
  background: #080a12;
  position: relative;
  overflow: hidden;
}

.video-embed-frame {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  overflow: hidden;
}

.hero {
  padding: 5rem 0 3.5rem;
}

.led-hero {
  padding-top: 4.2rem;
  background: linear-gradient(135deg, #f6f9fc 10%, #e9f3fb 55%, #f8fbfe 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.led-hero-grid {
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.1;
  margin: 0.4rem 0 1rem;
}

h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.7rem, 2.5vw, 2.6rem);
  line-height: 1.2;
}

h3 {
  margin: 0 0 0.5rem;
}

p {
  color: var(--muted);
  margin: 0;
}

.hero-copy p {
  max-width: 62ch;
}

.hero-actions {
  margin-top: 1.4rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 119, 200, 0.25);
}

.btn-ghost {
  color: #18324f;
  border: 1px solid var(--border);
  background: #ffffff;
}

.hero-panel {
  position: relative;
}

.hero-media {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.hero-main-image {
  width: 100%;
  max-width: 640px;
  height: auto;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 28px rgba(15, 40, 72, 0.18);
  background: #ffffff;
  display: block;
}

.panel-glow {
  position: absolute;
  inset: 8% -6%;
  background: linear-gradient(140deg, rgba(0, 240, 219, 0.2), rgba(42, 164, 255, 0.14));
  border-radius: 18px;
  filter: blur(10px);
}

.panel-inner {
  position: relative;
  background: linear-gradient(145deg, #132333, #0f1b29);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.3rem;
}

.panel-image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin-bottom: 0.9rem;
}

.small-label {
  color: var(--primary-strong);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.panel-inner ul {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  color: var(--text);
}

.section {
  padding: 4rem 0;
}

.section-dark {
  background: linear-gradient(180deg, #0f1e2f, #122741);
  border-top: 1px solid #1f3958;
  border-bottom: 1px solid #1f3958;
}

.section-dark h2,
.section-dark h3,
.section-dark p,
.section-dark li {
  color: #e9f4ff;
}

.section-dark .lineup-card,
.section-dark .feature-card,
.section-dark .info-box {
  background: #ffffff;
  border-color: #cddbeb;
}

.section-dark .lineup-card h3,
.section-dark .feature-card h3,
.section-dark .info-box h3 {
  color: #122a44;
}

.section-dark .lineup-card p,
.section-dark .feature-card p,
.section-dark .info-box p,
.section-dark .lineup-card li,
.section-dark .feature-card li,
.section-dark .info-box li {
  color: #4a6178;
}

.section-title {
  margin-bottom: 1.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card,
.lineup-card,
.info-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.split {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.2rem;
  align-items: start;
}

.led-split {
  gap: 1.4rem;
  align-items: stretch;
}

.content-panel {
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem;
}

.emphasis-box {
  background: linear-gradient(180deg, #f3f8ff, #ebf3fb);
}

.lineup-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.led-card-grid .lineup-card,
.led-card-grid .feature-card {
  min-height: 180px;
}

.lineup-card a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.feature-icon {
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 0.55rem;
}

.section-image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 0.8rem 0 1rem;
}

.section-image-wide {
  max-height: 360px;
  object-fit: cover;
}

details {
  margin-top: 0.8rem;
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
}

summary {
  cursor: pointer;
  color: var(--primary);
  font-weight: 600;
}

details p {
  margin-top: 0.5rem;
}

.clean-list {
  margin: 0.4rem 0 0;
  padding-left: 1.1rem;
  color: #18324f;
}

.clean-list li {
  margin: 0.35rem 0;
}

.cta-box {
  background: linear-gradient(120deg, #f5f9fd, #edf4fb);
  border: 1px solid #c9d9ea;
  border-radius: 18px;
  padding: 1.8rem;
}

.cta-box .btn {
  margin-top: 1rem;
}

.calc-intro {
  margin-bottom: 1rem;
}

.calc-access-gate {
  max-width: 520px;
}

.calc-gate-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.calc-turnstile {
  min-height: 0;
}

.calc-turnstile:not(:empty) {
  margin-top: 0.25rem;
}

.calc-gate-intro {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.calc-gate-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.15rem;
}

.calc-gate-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: #1a334e;
  gap: 0.3rem;
}

label.calc-gate-check {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0.65rem;
  margin: 0;
  cursor: pointer;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #1a334e;
}

label.calc-gate-check input[type="checkbox"] {
  flex: 0 0 1rem;
  width: 1rem;
  height: 1rem;
  margin: 0.2em 0 0;
}

label.calc-gate-check span {
  flex: 1;
  min-width: 0;
}

label.calc-gate-check a {
  color: inherit;
  text-decoration: underline;
}

.calc-gate-form input:not([type="checkbox"]),
.calc-gate-form select {
  border: 1px solid #c7d6e6;
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  font: inherit;
  color: var(--text);
  background: #fff;
}

.calc-gate-error {
  margin: 0;
  font-size: 0.88rem;
  color: #b42318;
}

.calc-gate-submit {
  justify-self: start;
  margin-top: 0.15rem;
}

.calc-reveal-wrap {
  margin: 0 0 1.1rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.calc-form,
.calc-summary {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.calc-summary-title {
  margin: 0 0 0.9rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.calc-summary-list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.calc-summary-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 1rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}

.calc-summary-item:first-child {
  padding-top: 0;
}

.calc-summary-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.calc-summary-item dt {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.35;
}

.calc-summary-item dd {
  margin: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
}

.calc-summary-value {
  font-weight: 700;
  color: var(--text);
}

.calc-summary-value--money {
  font-size: 1.05rem;
  color: var(--primary);
}

.calc-summary-unit {
  margin-left: 0.2rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
}

.calc-summary-badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(0, 119, 200, 0.1);
  border-radius: 4px;
  vertical-align: middle;
}

.calc-summary-item--highlight dd {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
}

.calc-summary-item--highlight {
  padding-top: 0.75rem;
  margin-top: 0.15rem;
  border-top: 1px solid var(--border);
  border-bottom: none;
}

.calc-summary-item--highlight + .calc-summary-item--highlight {
  margin-top: 0;
  padding-top: 0.65rem;
  border-top: none;
}

.calc-summary-module {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.calc-summary-cost-line {
  display: block;
  font-variant-numeric: tabular-nums;
}

.calc-summary-cost {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
}

.calc-summary-period {
  margin-left: 0.15rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--muted);
}

.export-actions {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.calc-form label {
  display: flex;
  flex-direction: column;
  font-size: 0.9rem;
  color: #1a334e;
  gap: 0.3rem;
}

.calc-form input,
.calc-form select {
  border: 1px solid #c7d6e6;
  border-radius: 8px;
  padding: 0.5rem 0.6rem;
  background: #fff;
}

.calc-form-product {
  grid-column: 1 / -1;
}

.calc-form-submit {
  grid-column: 1 / -1;
  justify-self: start;
  margin-top: 0.2rem;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 1rem;
}

.table-title {
  margin: 0.2rem 0 0.6rem;
  font-size: 1.05rem;
}

.table-note {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
  max-width: 75ch;
}

.calc-chart-wrap {
  margin-top: 1.25rem;
}

.calc-chart-control {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.75rem;
  color: #1a334e;
  font-size: 0.9rem;
  font-weight: 600;
  flex-wrap: wrap;
}

.calc-chart-control select {
  border: 1px solid #c7d6e6;
  border-radius: 8px;
  padding: 0.45rem 0.6rem;
  color: var(--text);
  background: #ffffff;
  font: inherit;
}

.calc-chart-control span {
  color: var(--muted);
  font-weight: 500;
}

.calc-chart-meta {
  margin: 0 0 0.75rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  line-height: 1.45;
}

.calc-chart-container {
  position: relative;
  height: min(360px, 52vh);
  max-width: 100%;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem;
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.calc-table th,
.calc-table td {
  border-bottom: 1px solid #e3ebf3;
  padding: 0.6rem 0.5rem;
  text-align: left;
  white-space: nowrap;
  font-size: 0.88rem;
}

.calc-table th {
  color: #123050;
  background: #f2f7fc;
}

.footer {
  padding: 1.6rem 0 2rem;
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0;
  font-size: 0.9rem;
}

.footer a {
  color: inherit;
  text-decoration: underline;
}

.footer a:hover {
  color: inherit;
}

@media (max-width: 980px) {
  .hero-grid,
  .led-hero-grid,
  .feature-grid,
  .split,
  .lineup-grid,
  .calc-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-main-image {
    width: 100%;
    min-width: 0;
  }

  .lineup-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .topbar {
    background: linear-gradient(180deg, #ffffff 0%, #e6e8ed 100%);
    border-bottom: 0;
    overflow: hidden;
    padding-top: env(safe-area-inset-top, 0);
  }

  .topbar::before {
    width: min(240px, 58vw);
  }

  .nav-wrap {
    flex-wrap: wrap;
    padding: 0.75rem 0;
    min-height: 64px;
    gap: 0.75rem;
  }

  .topbar-logo {
    margin-left: 0;
    min-width: 0;
    flex: 1 1 auto;
    padding-right: 0.5rem;
    padding-left: 0.15rem;
    height: auto;
  }

  .topbar-logo img {
    height: 40px;
    max-width: min(200px, 100%);
    object-position: left center;
  }

  .nav-menu-btn {
    display: inline-flex;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 0.25rem;
    padding: 0.35rem 0 0.5rem;
    border-top: 1px solid var(--border);
  }

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

  .main-nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid #edf3f9;
    font-size: 1rem;
  }

  .main-nav a:last-child {
    border-bottom: 0;
  }

  .nav-divider {
    display: none;
  }
}

@media (max-width: 680px) {
  .hero-grid,
  .led-hero-grid,
  .feature-grid,
  .split,
  .lineup-grid,
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .calc-form {
    grid-template-columns: 1fr;
  }

  .hero-main-image {
    width: 100%;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .section {
    padding: 3rem 0;
  }
}