:root {
  --navy: #061e48;
  --blue: #082b66;
  --cyan: #08c8ef;
  --cyan-dark: #049cbd;
  --ink: #102033;
  --muted: #5b6678;
  --line: #d9e2ee;
  --paper: #ffffff;
  --soft: #f4f8fb;
  --mint: #d9f7ec;
  --green: #0c7b52;
  --shadow: 0 16px 36px rgba(6, 30, 72, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(8, 43, 102, 0.12);
  backdrop-filter: blur(16px);
}

.brand img {
  width: clamp(220px, 28vw, 340px);
  height: auto;
  object-fit: contain;
  object-position: left center;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--blue);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 750;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.header-cta {
  background: var(--blue);
  color: #fff;
  white-space: nowrap;
}

.button.primary {
  background: var(--cyan);
  color: #031a31;
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.56);
}

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

.hero {
  position: relative;
  isolation: isolate;
  min-height: 74svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image: url("assets/gnt-hero-brand.png");
  background-position: center;
  background-size: cover;
  opacity: 0.36;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(6, 30, 72, 0.96) 0%, rgba(6, 30, 72, 0.86) 42%, rgba(6, 30, 72, 0.62) 100%),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.07) 0 1px, transparent 1px 44px);
}

.hero-content {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(54px, 8vw, 92px) 0 clamp(40px, 6vw, 66px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--cyan);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.hero h1 {
  width: min(860px, 100%);
  margin: 0;
  font-size: clamp(2.25rem, 5.4vw, 4.7rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-copy {
  width: min(730px, 100%);
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin-top: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.1);
}

.hero-metrics div {
  padding: 18px;
  background: rgba(6, 30, 72, 0.54);
}

.hero-metrics strong,
.hero-metrics span {
  display: block;
}

.hero-metrics strong {
  font-size: clamp(1.3rem, 2.5vw, 2rem);
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.72);
}

.section {
  padding: clamp(64px, 9vw, 112px) 0;
}

.container {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.two-column,
.workflow-layout,
.roi-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

h2 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(2rem, 3.5vw, 3.15rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0;
  color: var(--blue);
  font-size: 1.25rem;
  line-height: 1.2;
}

p {
  margin: 0;
}

.lead-copy {
  color: var(--muted);
  font-size: 1.08rem;
}

.lead-copy p + p,
.roi-section p + p {
  margin-top: 16px;
}

.intro-band h2 {
  font-size: clamp(2.25rem, 4vw, 3.55rem);
}

.intro-band,
.pricing-section {
  background: var(--soft);
}

.section-heading {
  width: min(760px, 100%);
  margin-bottom: 34px;
}

.section-heading p:not(.section-kicker) {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid,
.pricing-grid,
.pilot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-card,
.price-card,
.pilot-grid article,
.roi-tool,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.feature-card {
  min-height: 240px;
  padding: 24px;
}

.feature-number {
  display: block;
  margin-bottom: 36px;
  color: var(--cyan-dark);
  font-weight: 900;
}

.feature-card p,
.pilot-grid p,
.price-for,
.setup {
  margin-top: 12px;
  color: var(--muted);
}

.workflow-band {
  color: #fff;
  background: #102033;
}

.workflow-band h2,
.workflow-band h3 {
  color: #fff;
}

.workflow-copy p:not(.section-kicker) {
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1.08rem;
}

.flow {
  display: grid;
  gap: 12px;
}

.flow-item {
  display: grid;
  grid-template-columns: 54px 86px 1fr;
  align-items: center;
  min-height: 76px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.flow-icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(8, 200, 239, 0.36);
  border-radius: 8px;
  background: rgba(8, 200, 239, 0.12);
}

.flow-icon svg,
.whatsapp-mark svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.flow-item span {
  color: var(--cyan);
  font-weight: 850;
}

.flow-item strong {
  font-size: 1.12rem;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  position: relative;
  padding: 28px;
  box-shadow: var(--shadow);
}

.price-card.highlighted {
  border-color: var(--cyan);
}

.badge {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--blue);
  background: #dff8ff;
  font-size: 0.82rem;
  font-weight: 800;
}

.price {
  margin-top: 22px;
  color: var(--blue);
}

.price span {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
}

.price small {
  color: var(--muted);
  font-weight: 700;
}

.price-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 22px;
  color: var(--ink);
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--cyan);
}

.roi-section {
  background: #fff;
}

.roi-layout {
  align-items: start;
}

.roi-section .roi-layout {
  grid-template-columns: 1fr;
  gap: 28px;
}

.roi-section .roi-layout > div:first-child {
  width: min(840px, 100%);
}

.roi-layout > div > p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

.roi-notes {
  margin-top: 26px;
  padding: 20px;
  border-left: 4px solid var(--green);
  background: var(--mint);
}

.roi-notes p {
  color: #164537;
}

.roi-tool,
.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.roi-panel {
  display: grid;
  gap: 18px;
}

.calculator-guide {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--soft);
}

.calculator-guide p,
.calculator-copy {
  margin-top: 10px;
  color: var(--muted);
}

.roi-reading {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 2px;
}

.roi-reading div {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(6, 30, 72, 0.08);
}

.roi-reading .reading-label {
  color: var(--cyan-dark);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.roi-reading strong {
  color: var(--blue);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.08;
}

.roi-reading p {
  color: var(--muted);
}

.roi-tool {
  grid-template-rows: auto auto auto 1fr auto;
}

.roi-calculators {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.calculator-head {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 18px;
  align-items: start;
}

.calculator-separator {
  justify-self: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--blue);
  background: #fff;
  font-size: 0.86rem;
  font-weight: 900;
}

.calculator-label {
  width: fit-content;
  padding: 6px 10px;
  border-radius: 6px;
  color: var(--blue);
  background: #dff8ff;
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.solution-tool .calculator-label {
  color: #164537;
  background: var(--mint);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: start;
}

.field-grid.compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 750;
}

label span {
  min-height: 42px;
  display: flex;
  align-items: flex-end;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(8, 200, 239, 0.26);
  border-color: var(--cyan-dark);
}

.roi-result {
  display: grid;
  gap: 4px;
  margin-top: 8px;
  padding: 18px;
  border-radius: 8px;
  color: #164537;
  background: var(--mint);
}

.comparison-results {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-self: end;
}

.comparison-results .is-warning,
.comparison-results .net-result {
  min-height: 100%;
}

.comparison-results .roi-result {
  margin-top: 0;
}

.comparison-results .roi-result:not(.net-result) {
  color: var(--blue);
  background: #eef8fb;
}

.roi-result.is-warning {
  color: #6e4a00;
  background: #fff2cd;
}

.roi-result span {
  font-weight: 800;
}

.roi-result strong {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1;
}

.roi-result small {
  color: currentColor;
  font-size: 0.82rem;
  opacity: 0.72;
}

.roi-result.is-negative {
  color: #7d1f1f;
  background: #ffe7e3;
}

.calculator-footnote {
  color: var(--muted);
  font-size: 0.94rem;
}

.pilot-section {
  background: #eef8fb;
}

.pilot-grid,
.proof-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pilot-grid article,
.proof-grid article {
  padding: 24px;
}

.proof-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}

.contact-section {
  background: var(--paper);
}

.contact-layout {
  align-items: start;
}

.contact-layout > div p:not(.section-kicker) {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

.contact-form .button {
  width: 100%;
  border: 0;
}

.whatsapp-button {
  gap: 10px;
}

.whatsapp-mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  color: #fff;
  background: #25d366;
}

.whatsapp-mark svg {
  width: 20px;
  height: 20px;
  stroke-width: 1.55;
}

.footer {
  padding: 36px 0;
  color: rgba(255, 255, 255, 0.74);
  background: var(--navy);
}

.footer-inner {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 32px;
  align-items: center;
}

.footer img {
  width: 260px;
  height: 76px;
  object-fit: contain;
  object-position: left center;
  border-radius: 0;
}

.footer-copy {
  display: grid;
  gap: 8px;
}

.legal-links {
  color: #fff;
  font-weight: 750;
}

.legal-note {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 940px) {
  .site-header {
    flex-wrap: wrap;
    gap: 12px;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    overflow-x: auto;
  }

  .hero {
    min-height: 78svh;
  }

  .hero-metrics,
  .two-column,
  .workflow-layout,
  .roi-layout,
  .contact-layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .roi-calculators {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .pricing-grid,
  .pilot-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    position: static;
  }

  .header-cta {
    width: 100%;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    padding-top: 54px;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .hero-metrics,
  .feature-grid,
  .pricing-grid,
  .pilot-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .flow-item {
    grid-template-columns: 44px 1fr;
    gap: 4px;
  }

  .flow-item strong {
    grid-column: 2;
  }

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

  .roi-reading {
    grid-template-columns: 1fr;
  }

  .calculator-head {
    grid-template-columns: 1fr;
  }

  .comparison-results {
    grid-template-columns: 1fr;
  }

  .comparison-results .is-warning,
  .comparison-results .net-result {
    grid-column: auto;
  }

  label span {
    min-height: auto;
  }
}