@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@500;600;700&display=swap");
@import "./assets/lingmetra-tokens.css";

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
}

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

a:focus-visible,
.btn:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--lingmetra-teal);
  outline-offset: 2px;
}

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

.container {
  width: min(72rem, calc(100% - 3rem));
  margin-inline: auto;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--lingmetra-white) 92%, transparent);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand-logo {
  height: auto;
  width: 9rem;
  max-width: 160px;
}

.nav-main {
  display: none;
  gap: 0.125rem;
}

.nav-main a {
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: #5c6770;
}

.nav-main a:hover {
  background: rgba(18, 48, 71, 0.06);
  color: var(--color-text);
}

.nav-actions {
  display: flex;
  gap: 0.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.25rem;
  padding: 0 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-accent {
  background: var(--lingmetra-amber);
  color: var(--lingmetra-navy);
  font-weight: 600;
}

.btn-accent:hover {
  background: #c88a34;
}

.btn-outline {
  background: #fff;
  border-color: var(--color-border);
  color: var(--color-heading);
}

.btn-outline:hover {
  background: var(--lingmetra-sand);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(246, 243, 236, 0.45);
  color: var(--lingmetra-sand);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
}

.btn-ghost {
  background: transparent;
  color: #5c6770;
}

.btn-sm {
  min-height: 2rem;
  padding-inline: 0.875rem;
  font-size: 0.8125rem;
}

.btn-lg {
  min-height: 3rem;
  padding-inline: 1.5rem;
}

/* ── Hero (Canva split, sand background) ── */
.hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 0 5rem;
  background: var(--lingmetra-sand);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  display: inline-flex;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.15;
}

.hero h1 {
  margin: 1.25rem 0 0;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
}

.highlight-oval {
  display: inline-block;
  padding: 0.05em 0.35em;
  border-radius: 999px;
  background: color-mix(in srgb, var(--lingmetra-amber) 35%, transparent);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.lead {
  margin-top: 1.25rem;
  max-width: 36rem;
  font-size: 1.125rem;
  color: #5c6770;
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2rem;
}

.trust-row {
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #5c6770;
  letter-spacing: 0.01em;
}

.trust-row span {
  margin-inline: 0.35rem;
  color: var(--lingmetra-sky);
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 16rem;
}

.hero-shape {
  position: absolute;
  border-radius: var(--radius-lg);
}

.hero-shape-navy {
  inset: 10% 5% 5% 15%;
  background: var(--lingmetra-navy);
  transform: rotate(-4deg);
}

.hero-shape-amber {
  width: 5rem;
  height: 5rem;
  bottom: 8%;
  left: 5%;
  border-radius: 40% 60% 55% 45%;
  background: color-mix(in srgb, var(--lingmetra-amber) 75%, transparent);
}

.hero-symbol {
  position: relative;
  z-index: 1;
  width: min(11rem, 50vw);
  height: auto;
  filter: drop-shadow(0 16px 32px rgba(18, 48, 71, 0.18));
}

/* ── Sections ── */
.section {
  padding: 4.5rem 0;
}

.section-muted {
  background: color-mix(in srgb, var(--lingmetra-sand) 55%, #fff);
  border-block: 1px solid var(--color-border);
}

.section-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-label-light {
  color: var(--lingmetra-sky);
}

.section h2 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.5rem, 3vw, 2.125rem);
  max-width: 42rem;
}

.section-intro {
  margin-top: 1rem;
  max-width: 42rem;
  color: #5c6770;
}

.section-intro-light {
  color: rgba(246, 243, 236, 0.88);
}

/* ── Benefit cards ── */
.benefit-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.benefit-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  color: #fff;
}

.benefit-card h3 {
  margin: 0;
  color: #fff;
  font-size: 1.125rem;
}

.benefit-card p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.88);
}

.benefit-card-teal {
  background: var(--lingmetra-teal);
}

.benefit-card-navy {
  background: var(--lingmetra-navy);
}

.benefit-card-sky {
  background: color-mix(in srgb, var(--lingmetra-sky) 85%, var(--lingmetra-navy));
  color: var(--lingmetra-navy);
}

.benefit-card-sky h3 {
  color: var(--lingmetra-navy);
}

.benefit-card-sky p {
  color: rgba(18, 48, 71, 0.82);
}

/* ── Use case grid (Canva 2×2) ── */
.usecase-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.usecase-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.usecase-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
}

.usecase-card-1 .usecase-num { background: var(--lingmetra-teal); }
.usecase-card-2 .usecase-num { background: var(--lingmetra-navy); }
.usecase-card-3 .usecase-num { background: var(--lingmetra-amber); color: var(--lingmetra-navy); }
.usecase-card-4 .usecase-num { background: var(--lingmetra-sky); color: var(--lingmetra-navy); }

.usecase-card h3 {
  margin: 0;
  font-size: 1.0625rem;
}

.usecase-card p {
  margin: 0.625rem 0 0;
  font-size: 0.9375rem;
  color: #5c6770;
}

.disclaimer {
  margin-top: 2rem;
  font-size: 0.8125rem;
  color: #5c6770;
  font-style: italic;
}

/* ── Process steps ── */
.process-layout {
  display: grid;
  gap: 2.5rem;
}

.process-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-step {
  position: relative;
  display: flex;
  gap: 1.25rem;
  padding-bottom: 2rem;
}

.process-step:last-child {
  padding-bottom: 0;
}

.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 2.75rem;
  left: 1.125rem;
  width: 2px;
  height: calc(100% - 2.75rem);
  background: var(--color-border);
}

.step-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--lingmetra-amber);
  color: var(--lingmetra-navy);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
}

.process-step h3 {
  margin: 0;
  font-size: 1.0625rem;
}

.process-step p {
  margin: 0.5rem 0 0;
  font-size: 0.9375rem;
  color: #5c6770;
}

/* ── Partner band (Canva teal block) ── */
.section-band {
  padding: 4.5rem 0;
}

.section-band-teal {
  background: linear-gradient(145deg, var(--lingmetra-teal-band) 0%, var(--lingmetra-teal-band-dark) 100%);
  color: var(--lingmetra-sand);
}

.section-band-teal h2 {
  color: #fff;
  max-width: 36rem;
}

.partner-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.partner-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.partner-card h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--lingmetra-navy);
}

.partner-card p {
  margin: 0.625rem 0 0;
  font-size: 0.9375rem;
  color: #5c6770;
}

.partner-note {
  margin-top: 2rem;
  font-size: 0.875rem;
  color: rgba(246, 243, 236, 0.85);
}

.partner-note a {
  color: var(--lingmetra-sky);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Trust banner ── */
.trust-banner {
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--lingmetra-navy);
  color: var(--lingmetra-sand);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-grid {
  display: grid;
}

.trust-intro {
  padding: 2rem;
}

.trust-intro h2 {
  color: #fff;
  max-width: none;
}

.trust-intro p {
  color: rgba(246, 243, 236, 0.82);
}

.quality-cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.trust-list {
  margin: 0;
  padding: 1.5rem 2rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.04);
}

.trust-list li {
  padding: 0.75rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9375rem;
  color: rgba(246, 243, 236, 0.85);
}

.trust-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.trust-list strong {
  color: #fff;
  font-weight: 600;
}

/* ── Pilot section ── */
.pilot-layout {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.pilot-visual {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 20rem;
  margin-inline: auto;
}

.pilot-block {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
}

.pilot-block-navy { background: var(--lingmetra-navy); transform: rotate(-3deg); }
.pilot-block-teal { background: var(--lingmetra-teal); transform: rotate(2deg); margin-top: 1.5rem; }
.pilot-block-amber { background: var(--lingmetra-amber); color: var(--lingmetra-navy); transform: rotate(-1deg); }

/* ── FAQ ── */
.faq-highlight-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.faq-card {
  padding: 1.75rem;
  border-radius: var(--radius-md);
  background: var(--lingmetra-navy);
  color: var(--lingmetra-sand);
}

.faq-card-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--lingmetra-amber);
  color: var(--lingmetra-navy);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
}

.faq-card h3 {
  margin: 0;
  color: #fff;
  font-size: 1rem;
}

.faq-card p {
  margin: 0.75rem 0 0;
  font-size: 0.9375rem;
  color: rgba(246, 243, 236, 0.82);
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}

.faq-item summary {
  padding: 1.125rem 1.25rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--color-primary);
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  font-size: 0.9375rem;
  color: #5c6770;
}

/* ── Closing band ── */
.closing-band {
  background: var(--lingmetra-navy);
  color: var(--lingmetra-sand);
  padding: 3.5rem 0;
}

.closing-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.closing-band h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(1.5rem, 3vw, 2rem);
  max-width: 28rem;
}

.closing-band p {
  margin: 0.75rem 0 0;
  color: rgba(246, 243, 236, 0.85);
  max-width: 36rem;
}

.closing-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ── Footer ── */
.site-footer {
  padding: 2.5rem 0 1.5rem;
  background: var(--lingmetra-sand);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  gap: 2rem;
}

.footer-logo {
  height: auto;
  width: 9rem;
  max-width: 160px;
}

.footer-tagline {
  margin: 0.75rem 0 0;
  max-width: 26rem;
  font-size: 0.875rem;
  color: #5c6770;
}

.footer-nav-title {
  margin: 0 0 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.site-footer nav a {
  display: block;
  font-size: 0.875rem;
  color: #5c6770;
  margin-top: 0.25rem;
}

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

.footer-meta {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: #5c6770;
}

/* ── Responsive ── */
@media (min-width: 640px) {
  .btn-ghost-sm {
    display: inline-flex;
  }

  .cta-row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .quality-cta-row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .closing-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }
}

@media (min-width: 768px) {
  .benefit-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .process-layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .pilot-layout {
    grid-template-columns: 1.2fr 0.8fr;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr;
  }
}

@media (min-width: 1024px) {
  .nav-main {
    display: flex;
  }

  .hero {
    padding: 5.5rem 0 6.5rem;
  }

  .hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .trust-grid {
    grid-template-columns: 1fr 1.05fr;
  }

  .trust-intro {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .closing-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (max-width: 639px) {
  .btn-ghost-sm {
    display: none;
  }
}

/* Language switcher */
.lang-switch {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-navy);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.25rem 0.5rem;
  text-decoration: none;
  transition: background-color 0.15s;
}
.lang-switch:hover {
  background-color: var(--lingmetra-sand);
}

/* Newsletter section */
.newsletter-section {
  border-top: 1px solid var(--color-border);
}
.newsletter-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.newsletter-inner h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}
.newsletter-form {
  flex: 1;
}
.newsletter-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  align-items: flex-start;
}
.newsletter-input {
  flex: 1 1 160px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-family: inherit;
  background: var(--lingmetra-white);
  color: var(--color-text);
  outline: none;
}
.newsletter-input:focus {
  border-color: var(--lingmetra-teal);
  box-shadow: 0 0 0 2px rgba(21, 122, 120, 0.12);
}
.newsletter-note {
  margin-top: 0.625rem;
  font-size: 0.75rem;
  color: var(--color-muted);
}
.newsletter-msg {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: var(--lingmetra-teal);
}
@media (min-width: 768px) {
  .newsletter-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }
  .newsletter-inner > div {
    max-width: 280px;
  }
}