:root {
  --color-ink: #111111;
  --color-ink-soft: #343434;
  --color-muted: #6e6e73;
  --color-bg: #fbfbfd;
  --color-surface: #ffffff;
  --color-panel: #f5f5f7;
  --color-line: #d2d2d7;
  --color-line-strong: #b8b8bf;
  --color-accent: #0071e3;
  --color-accent-dark: #0057b8;
  --shadow-soft: 0 16px 40px rgba(17, 17, 17, 0.08);
  --shadow-panel: 0 24px 58px rgba(17, 17, 17, 0.16);
  --radius: 8px;
  --container: 1320px;
  --font-apple: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  background:
    linear-gradient(180deg, #ffffff 0%, var(--color-bg) 42%, #ffffff 100%);
  font-family: var(--font-apple);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #ffffff;
  background: var(--color-ink);
  border-radius: var(--radius);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 251, 253, 0.84);
  border-bottom: 1px solid rgba(210, 210, 215, 0.82);
  backdrop-filter: blur(20px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  color: var(--color-ink);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 92px;
  height: 62px;
  place-items: center;
  color: transparent;
  background: url("assets/logos/leandata-brand.png") center / contain no-repeat;
  border-radius: 0;
  font-size: 0;
  letter-spacing: 0;
  box-shadow: none;
}

.brand > span:not(.brand-mark) {
  display: none;
}

.nav-toggle {
  display: inline-grid;
  gap: 5px;
  width: 44px;
  height: 44px;
  place-content: center;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.nav-toggle span:not(.sr-only) {
  width: 18px;
  height: 2px;
  background: currentColor;
}

.nav-menu {
  position: absolute;
  top: 70px;
  right: 18px;
  left: 18px;
  display: none;
  padding: 10px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.nav-menu.is-open {
  display: grid;
}

.nav-menu a {
  padding: 14px;
  color: var(--color-ink-soft);
  font-size: 1.04rem;
  font-weight: 650;
}

.nav-cta {
  color: #ffffff !important;
  background: var(--color-ink);
  border-radius: var(--radius);
  text-align: center;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 52px;
  background:
    radial-gradient(circle at 74% 28%, rgba(0, 113, 227, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 245, 247, 0.76));
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(17, 17, 17, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
}

.hero::after {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  background-image:
    radial-gradient(circle at 18% 64%, rgba(0, 113, 227, 0.12) 0 3px, transparent 4px),
    radial-gradient(circle at 52% 36%, rgba(0, 113, 227, 0.11) 0 3px, transparent 4px),
    radial-gradient(circle at 82% 58%, rgba(0, 113, 227, 0.12) 0 3px, transparent 4px),
    repeating-linear-gradient(116deg, rgba(0, 113, 227, 0.12) 0 1px, transparent 1px 110px),
    linear-gradient(116deg, transparent 0 42%, rgba(0, 113, 227, 0.14) 50%, transparent 58%);
  background-size: 100% 100%, 100% 100%, 100% 100%, 150% 150%, 180% 180%;
  background-position: 0 0, 0 0, 0 0, 0% 0%, 0% 50%;
  opacity: 0.4;
  mask-image: linear-gradient(180deg, transparent 4%, #000 22%, #000 82%, transparent 98%);
  animation: hero-data-flow 16s linear infinite;
}

.blog-hero {
  padding: 110px 0 92px;
  background:
    linear-gradient(102deg, rgba(2, 8, 20, 0.84) 0%, rgba(2, 8, 20, 0.74) 42%, rgba(2, 8, 20, 0.5) 72%, rgba(2, 8, 20, 0.62) 100%),
    url("assets/photos/Blog.png") center / cover no-repeat;
}

.blog-hero::before {
  background: linear-gradient(180deg, rgba(4, 10, 22, 0.24), rgba(4, 10, 22, 0.46));
  mask-image: none;
}

.blog-hero::after {
  display: none;
}

.blog-hero .hero-grid {
  grid-template-columns: minmax(0, 1fr);
  justify-items: center;
}

.blog-hero .hero-copy {
  max-width: 1100px;
  text-align: center;
}

.blog-hero .eyebrow {
  color: rgba(255, 255, 255, 0.88);
}

.blog-hero .hero-copy h1 {
  color: #ffffff;
  max-width: 1000px;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.blog-hero .hero-copy h1 span {
  color: #ffffff;
}

.blog-hero .hero-copy h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.65rem);
  line-height: 1.02;
  text-wrap: balance;
}

.blog-hero .hero-subtitle {
  max-width: 78ch;
  margin-inline: auto;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.88);
}

.blog-hero .hero-actions {
  justify-content: center;
  margin-bottom: 0;
}

.blog-hero .button-secondary {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 0.8);
}

@keyframes hero-data-flow {
  0% {
    background-position: 0 0, 0 0, 0 0, 0% 0%, 0% 50%;
  }
  50% {
    background-position: 0 0, 0 0, 0 0, 32% 18%, 42% 56%;
  }
  100% {
    background-position: 0 0, 0 0, 0 0, 64% 36%, 84% 62%;
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 42px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.1vw, 1.08rem);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.section-heading .eyebrow {
  color: var(--color-muted);
}

.about-section .eyebrow,
.contact-copy .eyebrow {
  color: var(--color-muted);
}

.method-section .eyebrow,
.cta-band .eyebrow {
  color: #ffffff;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 820px;
  margin-bottom: 18px;
  font-size: clamp(2.45rem, 4.2vw, 4.05rem);
  font-family: var(--font-apple);
  font-weight: 740;
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-family: var(--font-apple);
  font-weight: 720;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 span,
h2 span {
  color: var(--color-accent-dark);
}

.hero-copy h1 {
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-weight: 720;
  line-height: 1.04;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.14rem;
  font-family: var(--font-apple);
  font-weight: 680;
  line-height: 1.25;
}

.hero-subtitle {
  max-width: 680px;
  margin-bottom: 24px;
  color: var(--color-ink-soft);
  font-size: clamp(1.06rem, 1.75vw, 1.24rem);
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 680;
  line-height: 1.2;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

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

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, #111111, #343436);
  box-shadow: 0 12px 26px rgba(17, 17, 17, 0.16);
}

.button-primary:hover {
  background: linear-gradient(135deg, #2d2d30, #111111);
}

.button-secondary {
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.76);
  border-color: var(--color-line);
}

.trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.trust-list li {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
  color: var(--color-ink-soft);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(210, 210, 215, 0.9);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 650;
}

.hero-visual {
  min-width: 0;
}

.hero-image {
  width: min(100%, 620px);
  height: auto;
  margin-inline: auto;
  border-radius: 18px;
  box-shadow: var(--shadow-panel);
}

.section {
  padding: 104px 0;
}

.section-heading {
  max-width: 900px;
  margin-bottom: 46px;
}

.section-heading p,
.split-heading > p,
.about-section p,
.contact-copy p,
.cta-band p {
  color: var(--color-ink-soft);
}

.split-heading {
  display: grid;
  gap: 16px;
  max-width: none;
}

.blog-list-heading {
  max-width: 1040px;
  margin-bottom: 32px;
}

.blog-list-heading.split-heading {
  grid-template-columns: 1fr;
}

.blog-list-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.blog-list-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--color-line-strong);
  border-radius: 2px;
}

.blog-list-title {
  margin-bottom: 10px;
  max-width: 22ch;
  text-wrap: balance;
}

.blog-list-intro {
  max-width: 60ch;
  margin: 0;
  color: var(--color-ink-soft);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
}

.problem-section,
.tech-section {
  background: var(--color-panel);
}

.problem-section,
.tech-section,
.about-section,
.contact-section {
  border-top: 1px solid rgba(210, 210, 215, 0.72);
}

#servicios,
.method-section,
.cta-band {
  border-top: 1px solid rgba(210, 210, 215, 0.72);
}

.problem-grid,
.service-grid,
.case-grid {
  display: grid;
  gap: 16px;
}

.blog-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px;
  margin: 0 0 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.blog-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 14px;
  color: var(--color-ink-soft);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 650;
  cursor: pointer;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    color 160ms ease;
}

.blog-filter:hover {
  border-color: var(--color-line-strong);
}

.blog-filter.is-active {
  color: #ffffff;
  background: linear-gradient(135deg, #1d4ed8, #0071e3);
  border-color: #0057b8;
}

.blog-filter:focus-visible {
  outline: 3px solid rgba(0, 113, 227, 0.26);
  outline-offset: 2px;
}

.blog-empty {
  margin: 0 0 14px;
  color: var(--color-muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.post-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 10px;
  color: var(--color-accent-dark);
  background: rgba(0, 113, 227, 0.09);
  border: 1px solid rgba(0, 113, 227, 0.18);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.blog-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid #d5dbe6;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.08);
}

.blog-card .case-visual {
  height: 250px;
  margin-bottom: 0;
  border-radius: 0;
}

.blog-card .post-tags,
.blog-card h3,
.blog-card p,
.blog-card .post-read-more {
  margin-right: 24px;
  margin-left: 24px;
}

.blog-card .post-tags {
  margin-top: 20px;
}

.blog-card h3 {
  font-size: clamp(1.35rem, 1.35vw, 1.6rem);
  line-height: 1.22;
  margin-bottom: 14px;
}

.blog-card h3 a:hover {
  color: var(--color-accent-dark);
}

.case-card.blog-card p {
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-read-more {
  align-self: flex-start;
  min-width: 154px;
  margin-top: 20px;
  margin-bottom: 28px;
}

.problem-diagnostic {
  display: grid;
  gap: 42px;
  align-items: center;
}

.problem-diagnostic .section-heading {
  margin-bottom: 32px;
}

.diagnostic-list {
  display: grid;
  border-top: 1px solid var(--color-line);
}

.diagnostic-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--color-line);
}

.diagnostic-list span {
  color: var(--color-accent-dark);
  font-size: 0.92rem;
  font-weight: 700;
}

.diagnostic-list h3,
.diagnostic-list p {
  margin-bottom: 0;
}

.diagnostic-list p {
  color: var(--color-ink-soft);
}

.diagnostic-list strong {
  align-self: center;
  color: var(--color-muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.process-photo {
  position: relative;
  display: grid;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: 24px;
  background: var(--color-surface);
  box-shadow: 0 18px 44px rgba(17, 17, 17, 0.08);
}

.process-photo img {
  width: 100%;
  height: 430px;
  object-fit: cover;
}

.photo-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.92);
  border-top: 1px solid var(--color-line);
}

.photo-caption span {
  display: block;
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 650;
}

.photo-caption strong {
  display: block;
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 680;
}

.problem-grid article,
.service-card,
.case-card,
.contact-form,
.about-card {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}

.problem-grid article,
.service-card,
.case-card {
  padding: 24px;
}

.icon-box,
.service-kicker {
  display: inline-grid;
  place-items: center;
  min-height: 30px;
  margin-bottom: 18px;
  color: var(--color-accent-dark);
  background: rgba(0, 113, 227, 0.08);
  border: 1px solid rgba(0, 113, 227, 0.14);
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.icon-box {
  width: 42px;
}

.service-kicker {
  padding: 5px 10px;
}

.service-card {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  transform-origin: center;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.service-card:hover,
.case-card:hover,
.tool-card:hover {
  border-color: var(--color-line-strong);
  transform: translateY(-4px);
}

.card-visual,
.case-visual {
  width: 100%;
  margin-bottom: 22px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--color-panel);
}

.card-visual {
  aspect-ratio: 3 / 2;
  height: auto;
}

.case-visual {
  height: 168px;
}

.service-card p,
.case-card p,
.problem-grid p {
  color: var(--color-ink-soft);
  line-height: 1.55;
}

.case-card {
  display: grid;
  align-content: start;
  min-height: 260px;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    transform 180ms ease;
}

.case-card h3 {
  margin-bottom: 8px;
}

.case-card p {
  margin-bottom: 0;
}

.method-section {
  color: #ffffff;
  background: linear-gradient(135deg, #111111 0%, #1d1d1f 100%);
}

.method-section p {
  color: rgba(255, 255, 255, 0.74);
}

.method-grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
}

.timeline span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  font-weight: 700;
}

.timeline h3,
.timeline p {
  margin-bottom: 0;
}

.centered {
  margin-inline: auto;
  text-align: center;
}

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

.tool-card {
  display: grid;
  min-height: 150px;
  place-items: center;
  padding: 22px;
  text-align: center;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.tool-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 14px;
}

.tool-card h3 {
  margin: 0;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}

.about-grid,
.contact-grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.about-card {
  display: grid;
  gap: 18px;
  max-width: 420px;
  padding: 28px;
  box-shadow: var(--shadow-soft);
}

.portrait-mark {
  display: grid;
  width: 88px;
  height: 88px;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, #111111, #4a4a4f);
  border-radius: 50%;
  font-size: 1.3rem;
  font-weight: 720;
}

.portrait-photo {
  width: 112px;
  height: 112px;
  object-fit: cover;
  object-position: center;
  border-radius: 50%;
  border: 1px solid var(--color-line);
}

.about-card strong {
  display: block;
  font-size: 1.2rem;
}

.muted-label,
.about-card span {
  color: var(--color-muted);
  font-size: 0.82rem;
  font-weight: 620;
}

.about-premium {
  background: #f1f4f8;
}

.about-premium-grid {
  display: grid;
  gap: 34px;
  padding: 22px;
  background: #ffffff;
  border: 1px solid #e5eaf2;
  border-radius: 6px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}

.about-premium-profile {
  display: grid;
  gap: 18px;
  max-width: 400px;
  justify-self: start;
}

.about-premium-photo-wrap {
  margin: 0 auto;
  width: 100%;
  max-width: 240px;
}

.about-premium-photo {
  width: 100%;
  height: auto;
  aspect-ratio: 31 / 40;
  object-fit: cover;
  object-position: center 8%;
  border-radius: 14px;
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.12);
}

.about-premium-identity {
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
}

.about-premium-identity h3 {
  margin: 0;
  color: #0f172a;
  font-size: 1.14rem;
  font-weight: 680;
  line-height: 1.25;
}

.about-premium-identity p {
  margin: 0;
  color: #1d4ed8;
  font-size: 1.03rem;
  font-weight: 600;
}

.about-premium-line {
  display: block;
  width: 46px;
  height: 3px;
  margin-top: 8px;
  background: #2563eb;
  border-radius: 3px;
}

.about-premium-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.about-premium-stack li {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: #233049;
  font-size: 0.92rem;
  font-weight: 520;
}

.about-premium-stack-icon {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  padding: 4px;
  color: #2563eb;
  background: #eaf2ff;
  border: 1px solid #d8e6ff;
  border-radius: 999px;
  flex-shrink: 0;
}

.about-premium-stack-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 1.85;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-premium-stack-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(34%) sepia(90%) saturate(2780%) hue-rotate(214deg) brightness(95%) contrast(95%);
}

.about-premium-content {
  display: grid;
  gap: 16px;
  align-content: center;
}

.about-section .about-premium-eyebrow {
  margin: 0 0 12px;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.1vw, 1.08rem);
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.about-premium-content h2 {
  margin: 0;
  color: #0f172a;
  font-family: var(--font-apple);
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-weight: 720;
  line-height: 1.04;
  letter-spacing: 0;
  text-wrap: balance;
}

.about-premium-content p:not(.about-premium-eyebrow) {
  margin: 0;
  color: #2b3a53;
  font-size: clamp(1.06rem, 1.35vw, 1.16rem);
  line-height: 1.63;
  max-width: 64ch;
}

.about-premium-metrics {
  display: grid;
  gap: 14px;
  margin-top: 10px;
}

.about-premium-metric {
  display: grid;
  gap: 10px;
  align-content: start;
  justify-items: center;
  min-height: 160px;
  padding: 16px 14px;
  text-align: center;
  background: #ffffff;
  border: 1px solid #e6eaf1;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.about-premium-metric-icon {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  padding: 9px;
  color: #2563eb;
  background: #eaf2ff;
  border: 1px solid #d8e6ff;
  border-radius: 999px;
}

.about-premium-metric-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-premium-metric-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(34%) sepia(90%) saturate(2780%) hue-rotate(214deg) brightness(95%) contrast(95%);
}

.about-premium-metric strong {
  color: #0f172a;
  font-size: clamp(1.3rem, 1.85vw, 1.72rem);
  font-weight: 800;
  line-height: 1.05;
}

.about-premium-metric p {
  margin: 0;
  max-width: none;
  color: #26344d;
  font-size: 0.92rem;
  font-weight: 520;
  line-height: 1.35;
}

.about-premium-metric-tools strong {
  font-size: clamp(0.98rem, 1.2vw, 1.1rem);
  line-height: 1.3;
}

.cta-band {
  padding: 62px 0;
  color: #ffffff;
  background: linear-gradient(135deg, #111111 0%, #1d1d1f 100%);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.72);
}

.cta-grid {
  display: flex;
  align-items: start;
  justify-content: space-between;
  flex-direction: column;
  gap: 18px;
}

.contact-section {
  background: linear-gradient(180deg, #ffffff, var(--color-panel));
}

.contact-note {
  padding: 14px;
  color: var(--color-ink-soft);
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 22px;
}

.form-row {
  display: grid;
  gap: 7px;
}

.form-row label,
.check-row {
  color: var(--color-ink-soft);
  font-weight: 650;
}

.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 13px;
  color: var(--color-ink);
  background: #ffffff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.form-row textarea {
  resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(154, 122, 69, 0.14);
}

.check-row {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.92rem;
}

.check-row input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--color-accent);
}

.form-button {
  width: 100%;
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: var(--color-accent-dark);
  font-weight: 650;
}

.form-status.is-error {
  color: #b54708;
}

.hidden-field {
  display: none;
}

.legal-page {
  max-width: 860px;
}

.legal-page h1 {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
}

.legal-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  margin: 0 0 28px;
  color: var(--color-ink-soft);
}

.legal-list a {
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.site-footer {
  padding: 40px 0;
  color: rgba(255, 255, 255, 0.76);
  background: #111111;
}

.site-footer .brand,
.site-footer a,
.site-footer strong {
  color: #ffffff;
}

.site-footer .brand-mark {
  background-image: url("assets/logos/leandata-brand-negative.png");
}

.footer-grid {
  display: flex;
  align-items: start;
  justify-content: space-between;
  flex-direction: column;
  gap: 18px;
}

.footer-brand {
  margin-bottom: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-weight: 650;
}

.copyright {
  margin: 0;
}

@media (min-width: 560px) {
  .about-premium-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .hero {
    padding: 86px 0 64px;
  }

  .section {
    padding: 120px 0;
  }

  .hero-grid,
  .method-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }

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

  .problem-diagnostic {
    grid-template-columns: minmax(0, 1fr) minmax(420px, 0.82fr);
  }

  .diagnostic-list article {
    grid-template-columns: auto minmax(0, 1fr) minmax(120px, auto);
  }

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

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

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

  .split-heading {
    grid-template-columns: 1fr minmax(260px, 430px);
    align-items: end;
  }

  .cta-grid,
  .footer-grid {
    flex-direction: row;
    align-items: center;
  }

  .contact-form {
    padding: 28px;
  }

  .about-premium-photo-wrap {
    max-width: 250px;
  }
}

@media (min-width: 940px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .nav-menu a {
    padding: 11px 13px;
  }

  .nav-cta {
    padding: 12px 18px !important;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(480px, 0.8fr);
    gap: 72px;
  }

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

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

  .about-premium-grid {
    grid-template-columns: minmax(360px, 0.38fr) minmax(0, 1fr);
    gap: 56px;
    padding: 26px;
    align-items: start;
  }

  .about-premium-photo-wrap {
    max-width: 260px;
    margin-top: 56px;
  }

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

  .about-premium-content {
    gap: 18px;
  }
}

@media (max-width: 430px) {
  .button,
  .hero-actions {
    width: 100%;
  }

  .hero-image {
    width: min(100%, 420px);
  }

  .process-photo img {
    height: 340px;
  }

  .photo-caption {
    display: grid;
    gap: 4px;
  }

  .about-premium-stack {
    gap: 8px 12px;
  }

  .about-premium-stack li {
    font-size: 0.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }

}