:root {
  --color-primary: #14213D;
  --color-accent: #2B6CB0;
  --color-text: #1A202C;
  --color-text-muted: #4A5568;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7FAFC;
  --color-border: #E2E8F0;
  --max-width: 1120px;
  --radius: 8px;
  --shadow-sm: 0 1px 3px rgba(20, 33, 61, 0.06), 0 1px 2px rgba(20, 33, 61, 0.04);
  --shadow-md: 0 4px 12px rgba(20, 33, 61, 0.08);
  --transition: 0.2s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

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

.logo-mark {
  width: 28px;
  height: 28px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
}

.nav a:hover {
  color: var(--color-primary);
}

.nav a.btn {
  color: #fff;
}

.nav a.btn:hover {
  color: #fff;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
  text-decoration: none;
}

.btn:hover {
  background: #0F1A2E;
  color: #fff;
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background: #245A95;
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

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

/* ===== Hero ===== */
.hero {
  padding: 96px 0 72px;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero p.lead {
  font-size: clamp(17px, 2vw, 19px);
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Sections ===== */
section {
  padding: 80px 0;
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-title {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 17px;
  margin-bottom: 48px;
  max-width: 640px;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.service-card {
  background: var(--color-bg);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.service-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 16px;
  color: var(--color-accent);
}

.service-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.service-card p {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* ===== Industries ===== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.industry-badge {
  background: var(--color-bg);
  padding: 20px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--color-primary);
}

.industry-badge svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ===== Process ===== */
.process-list {
  display: grid;
  gap: 16px;
  max-width: 720px;
}

.process-step {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border);
}

.process-step:last-child {
  border-bottom: none;
}

.step-number {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
}

.step-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-primary);
}

.step-content p {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text p {
  color: var(--color-text-muted);
  font-size: 16px;
  margin-bottom: 16px;
}

.about-text p:last-child {
  margin-bottom: 0;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.stat-card {
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.stat-label {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ===== Work ===== */
.work-list {
  display: grid;
  gap: 16px;
  max-width: 840px;
}

.work-item {
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

.work-item h4 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.work-item p {
  color: var(--color-text-muted);
  font-size: 15px;
}

.work-tags {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.work-tag {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-radius: 12px;
}

/* ===== Blog ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 840px;
}

.blog-card {
  background: var(--color-bg);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.blog-meta {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.blog-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.blog-card p {
  color: var(--color-text-muted);
  font-size: 15px;
}

/* ===== Contact ===== */
.contact-card {
  background: var(--color-bg);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.contact-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.contact-card p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.contact-email {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-accent);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 32px;
  font-size: 14px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.65);
}

.footer-col h5 {
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
}

.footer-col a:hover {
  color: #fff;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  line-height: 1.7;
}

.footer-legal p {
  margin-bottom: 4px;
}

/* ===== Blog post layout ===== */
.blog-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px;
}

.blog-post h1 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.blog-post .meta {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.blog-post h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-primary);
  margin: 32px 0 12px;
}

.blog-post p {
  color: var(--color-text);
  font-size: 16px;
  margin-bottom: 16px;
}

.blog-post ul, .blog-post ol {
  margin: 0 0 16px 24px;
  color: var(--color-text);
}

.blog-post li {
  margin-bottom: 6px;
}

.blog-post code {
  background: var(--color-bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'SFMono-Regular', Consolas, Monaco, monospace;
  font-size: 14px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ===== Legal pages ===== */
.legal-page {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 24px;
}

.legal-page h1 {
  font-size: 32px;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.legal-page .updated {
  color: var(--color-text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.legal-page h2 {
  font-size: 20px;
  color: var(--color-primary);
  margin: 28px 0 10px;
}

.legal-page p, .legal-page li {
  color: var(--color-text);
  margin-bottom: 12px;
}

.legal-page ul {
  margin-left: 24px;
}

/* ===== 404 ===== */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
}

.error-page h1 {
  font-size: 72px;
  color: var(--color-primary);
  font-weight: 800;
  margin-bottom: 12px;
}

.error-page p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

/* ===== Cookie banner ===== */
.cookie-banner {
  position: fixed;
  bottom: 16px;
  left: 16px;
  right: 16px;
  max-width: 520px;
  margin-left: auto;
  background: var(--color-primary);
  color: #fff;
  padding: 16px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-size: 14px;
  display: none;
  align-items: center;
  gap: 12px;
  z-index: 200;
}

.cookie-banner.show {
  display: flex;
}

.cookie-banner p {
  flex: 1;
  color: rgba(255, 255, 255, 0.85);
}

.cookie-banner button {
  background: #fff;
  color: var(--color-primary);
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ===== Mobile ===== */
@media (max-width: 768px) {
  .nav {
    gap: 20px;
  }

  .nav a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 64px 0 48px;
  }

  section {
    padding: 56px 0;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
  }
}