:root {
  color-scheme: light;
  --bg: #F5F7FB;
  --surface: #FFFFFF;
  --surface-alt: #EFF3FA;
  --text: #1B2A3B;
  --muted: #5D687A;
  --primary: #1E6ADE;
  --primary-dark: #0F4FC1;
  --primary-soft: #E3EDFF;
  --focus: rgba(30, 106, 222, 0.35);
  --shadow-soft: 0 12px 32px rgba(15, 39, 80, 0.12);
  --shadow: 0 18px 40px rgba(15, 39, 80, 0.15);
  --shadow-strong: 0 26px 60px rgba(15, 39, 80, 0.18);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --container-width: min(1200px, 92vw);
  --header-height: 70px;
  --transition: 200ms ease;
  --font-heading: 'Space Grotesk', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --header-bg: rgba(255, 255, 255, 0.92);
  --header-bg-solid: rgba(255, 255, 255, 0.98);
  --header-border: rgba(207, 215, 230, 0.75);
  --header-border-strong: rgba(159, 179, 213, 0.9);
  --card-bg: rgba(255, 255, 255, 0.98);
  --card-bg-alt: rgba(237, 243, 252, 0.96);
  --card-border: rgba(207, 215, 230, 0.7);
  --card-border-strong: rgba(30, 106, 222, 0.32);
  --panel-bg: rgba(255, 255, 255, 0.97);
  --panel-bg-alt: rgba(239, 244, 252, 0.94);
  --panel-border: rgba(207, 215, 230, 0.7);
  --panel-border-strong: rgba(30, 106, 222, 0.28);
  --footer-bg: rgba(233, 238, 248, 0.95);
  --scroll-bg: #FFFFFF;
  --scroll-border: rgba(30, 106, 222, 0.25);
  --input-bg: #FFFFFF;
  --input-border: rgba(207, 215, 230, 0.85);
  --input-shadow-focus: rgba(30, 106, 222, 0.18);
  --button-secondary-bg: rgba(255, 255, 255, 0.9);
  --button-secondary-hover: rgba(30, 106, 222, 0.1);
  --button-secondary-border: rgba(30, 106, 222, 0.25);
  --figcaption-bg: rgba(246, 249, 255, 0.92);
  --logo-filter: grayscale(100%) contrast(0.5) brightness(1.4);
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

button, input, textarea {
  font: inherit;
  color: inherit;
  background: transparent;
  border: none;
}

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

a:hover:not(.btn), a:focus-visible:not(.btn) {
  color: var(--primary);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

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

.skip-link {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.container {
  width: var(--container-width);
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 6vw, 6.5rem) 0;
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.section-header {
  max-width: 52ch;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.75rem);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.section-subline {
  color: var(--muted);
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  backdrop-filter: blur(14px);
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  z-index: 900;
  transition: background 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.site-header.is-condensed {
  background: var(--header-bg-solid);
  border-bottom-color: var(--header-border-strong);
  box-shadow: var(--shadow-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 100%;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.5rem;
}

.brand-logo {
  width: clamp(96px, 12vw, 144px);
  height: auto;
  display: block;
  filter: drop-shadow(0 6px 14px rgba(15, 39, 80, 0.12));
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.primary-nav a {
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding-block: 0.5rem;
  transition: color var(--transition);
}

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

.primary-nav a[aria-current="page"]::after,
.primary-nav a.is-active::after {
  content: "";
  position: absolute;
  inset-inline: 0;
  bottom: 0.2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 999px;
  transform-origin: center;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--button-secondary-border);
  background: var(--button-secondary-bg);
  color: var(--text);
  transition: border var(--transition), background var(--transition);
}

.nav-toggle[aria-expanded="true"] {
  background: var(--button-secondary-hover);
}

.nav-toggle-bar {
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}

.hero {
  padding-top: calc(clamp(4rem, 6vw, 6.5rem) + var(--header-height));
  background: radial-gradient(circle at top left, rgba(30, 106, 222, 0.18), transparent 45%),
              radial-gradient(circle at bottom right, rgba(15, 79, 193, 0.12), transparent 40%),
              var(--bg);
}

.hero-content {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 1.5rem;
}

.eyebrow {
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.lede {
  max-width: 52ch;
  color: var(--muted);
  margin-bottom: 2rem;
}

.hero-visual {
  justify-self: center;
  display: grid;
  place-items: center;
}

.hero-logo {
  width: clamp(220px, 40vw, 360px);
  height: auto;
  display: block;
  padding: clamp(1.5rem, 6vw, 2.5rem);
  border-radius: 18px;
  background: radial-gradient(circle at 38% 28%, rgba(30, 106, 222, 0.18), transparent 65%),
              radial-gradient(circle at 72% 70%, rgba(15, 79, 193, 0.14), transparent 60%),
              var(--surface);
  border: 1px solid var(--card-border);
  box-shadow: inset 0 0 0 1px rgba(30, 106, 222, 0.08), var(--shadow);
}

.cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn:is(:hover, :focus-visible) {
  color: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(30, 106, 222, 0.3);
}

.btn-primary:is(:hover, :focus-visible) {
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-secondary {
  background: var(--button-secondary-bg);
  border-color: var(--button-secondary-border);
  color: var(--primary-dark);
}

.btn-secondary:is(:hover, :focus-visible) {
  background: var(--button-secondary-hover);
  color: var(--primary-dark);
}

.grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.services-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.partner-grid,
.usp-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.case-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-bottom: 3rem;
}

.card {
  background: linear-gradient(145deg, var(--card-bg), var(--card-bg-alt));
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
  transition: transform var(--transition), border var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--card-border-strong);
  box-shadow: var(--shadow-strong);
}

.service-card p,
.partner-card p,
.usp-card p,
.case-card dd {
  color: var(--muted);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--primary);
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  align-items: center;
}

.logo-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--card-border);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 28px rgba(15, 39, 80, 0.08);
  transition: border var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.logo-item img {
  filter: var(--logo-filter);
  transition: filter var(--transition);
}

.logo-item:hover img,
.logo-item:focus-within img {
  filter: none;
}

.logo-item:hover,
.logo-item:focus-within {
  transform: translateY(-6px);
  border-color: var(--primary);
  background: linear-gradient(135deg, #ffffff 0%, var(--primary-soft) 100%);
  box-shadow: var(--shadow);
}

.partner-card {
  display: grid;
  gap: 1rem;
  align-items: start;
  text-align: left;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--card-border);
  padding: 1.5rem;
  box-shadow: 0 12px 32px rgba(15, 39, 80, 0.08);
  transition: transform var(--transition), border var(--transition), box-shadow var(--transition), background var(--transition);
}

.partner-card img {
  width: 180px;
  filter: var(--logo-filter);
  transition: filter var(--transition);
}

.partner-card:hover img,
.partner-card:focus-within img {
  filter: none;
}

.partner-card:hover,
.partner-card:focus-within {
  transform: translateY(-4px);
  background: linear-gradient(135deg, #ffffff 0%, rgba(30, 106, 222, 0.12) 100%);
  border-color: var(--card-border-strong);
  box-shadow: var(--shadow);
}

.case-card h3 {
  margin-top: 0;
  font-family: var(--font-heading);
}

.case-card dl {
  margin: 0;
}

.case-card dt {
  font-weight: 600;
  color: var(--text);
  margin-top: 1rem;
}

.case-card dt:first-of-type {
  margin-top: 0;
}

.case-card dd {
  margin: 0.35rem 0 0;
  font-size: 0.95rem;
}

.testimonial-wrap {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.testimonial {
  margin: 0;
  padding: 1.5rem 2rem;
  border-left: 3px solid var(--primary);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-alt));
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
}

.testimonial blockquote {
  margin: 0 0 1rem;
  font-style: italic;
  color: var(--text);
}

.testimonial figcaption {
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  align-items: start;
}

.contact-info address {
  font-style: normal;
  margin-bottom: 1rem;
  color: var(--muted);
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: grid;
  gap: 0.5rem;
}

.contact-list a {
  color: var(--primary-dark);
  font-weight: 500;
}

.contact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
}

.contact-map figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
}

.contact-map figcaption {
  padding: 0.75rem 1rem;
  background: var(--figcaption-bg);
  font-size: 0.9rem;
  color: var(--muted);
}

.contact-form-wrap {
  margin-top: clamp(3rem, 6vw, 4rem);
  background: linear-gradient(145deg, var(--panel-bg), var(--panel-bg-alt));
  border-radius: var(--radius-lg);
  border: 1px solid var(--panel-border);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: var(--shadow-soft);
}

.contact-form {
  display: grid;
  gap: 1.25rem;
}

.form-field {
  display: grid;
  gap: 0.5rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text);
  transition: border var(--transition), box-shadow var(--transition);
}

.form-field input:focus-visible,
.form-field textarea:focus-visible {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--input-shadow-focus);
}

.form-field textarea {
  resize: vertical;
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.form-actions {
  display: flex;
  justify-content: flex-start;
}

.form-hint {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  padding: 2rem 0 3rem;
  background: var(--footer-bg);
  border-top: 1px solid var(--panel-border);
}

.footer-inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.footer-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.scroll-top {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 1px solid var(--scroll-border);
  background: var(--scroll-bg);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 850;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:not(.is-visible) {
  transform: translateY(10px);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
  }
  .primary-nav ul {
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  .header-inner {
    gap: 1rem;
  }
  .primary-nav {
    position: absolute;
    inset: calc(var(--header-height)) 0 auto;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
    border-bottom: 1px solid var(--header-border-strong);
    transform: translateY(-130%);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition);
    z-index: 950;
  }
  .primary-nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
  }
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
  }
  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
  .cta-group,
  .contact-cta {
    flex-direction: column;
  }
  .scroll-top {
    right: 1rem;
    bottom: 1rem;
  }
}

@media (min-width: 1280px) {
  .hero-content {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }
  .footer-inner {
    grid-template-columns: 1fr auto;
  }
}