:root {
  --ink: #12141a;
  --ink-soft: #565b66;
  --ink-faint: #8a8f9a;
  --bg: #ffffff;
  --bg-alt: #f4f5f8;
  --line: #e4e6ec;
  --accent: #2145d6;
  --accent-dark: #17318f;
  --accent-soft: #eaefff;
  --red: #c62f3f;
  --radius: 14px;
  --wrap: 1160px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

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

h1, h2, h3 { font-weight: 800; line-height: 1.08; letter-spacing: -0.02em; margin: 0 0 16px; }
p { margin: 0 0 14px; color: var(--ink-soft); }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-lg { padding: 16px 30px; font-size: 1.02rem; }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-invert { background: #fff; color: var(--ink); }
.btn-invert:hover { background: #e5e5e5; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(18, 20, 26, 0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 24px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  flex-shrink: 0;
}
.logo-mark {
  display: block;
  width: clamp(34px, 6vw, 76.5px);
  height: auto;
  flex-shrink: 0;
}
.logo-text {
  font-size: clamp(0.65rem, 2.7vw, 2.15rem);
  line-height: 1;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.main-nav a {
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--ink-soft);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--ink); }
.main-nav a.active { color: var(--accent); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.lang-toggle {
  display: flex;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}
.lang-btn {
  border: none;
  background: transparent;
  padding: 4px;
  border-radius: 999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.4;
  filter: grayscale(70%);
  transition: opacity 0.15s ease, filter 0.15s ease, background 0.15s ease;
}
.lang-btn:hover { opacity: 0.75; }
.lang-btn.active { opacity: 1; filter: none; background: var(--bg-alt); }
.flag-icon {
  display: block;
  width: 24px;
  height: 16px;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(18, 20, 26, 0.12) inset;
}

.header-cta { display: inline-flex; }

.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: none;
  cursor: pointer;
}
.nav-burger span {
  display: block;
  height: 2px;
  width: 18px;
  margin: 0 auto;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 88px 0 64px;
}
.hero-inner { max-width: 780px; }
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5.2vw, 3.6rem);
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: 1.15rem;
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}
.hero-badges {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  padding: 0;
  margin: 0;
}
.hero-badges li {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: #fff;
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 999px;
}

/* Page hero (interior pages) */
.page-hero {
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
}
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 14px; }
.page-hero p { font-size: 1.08rem; max-width: 640px; margin-bottom: 0; }

/* Home teasers */
.home-services .service-card ul { display: none; }
.teaser-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--accent);
}
.teaser-link:hover { color: var(--accent-dark); }
.section-cta { margin-top: 40px; text-align: center; }

.home-about {
  background: var(--ink);
  color: #fff;
}
.home-about .eyebrow { color: #7f9bff; }
.home-about h2 { color: #fff; font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
.home-about p { color: rgba(255, 255, 255, 0.72); font-size: 1.05rem; max-width: 640px; }
.home-about .btn { margin-top: 8px; }

/* CTA banner */
.cta-banner {
  background: var(--accent);
  color: #fff;
  text-align: center;
}
.cta-banner h2 { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
.cta-banner p { color: rgba(255, 255, 255, 0.85); font-size: 1.05rem; max-width: 560px; margin: 0 auto 28px; }
.cta-banner-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.cta-banner .btn-primary { background: #fff; color: var(--accent); }
.cta-banner .btn-primary:hover { background: rgba(255, 255, 255, 0.9); }
.cta-banner .btn-ghost { border-color: rgba(255, 255, 255, 0.5); color: #fff; }
.cta-banner .btn-ghost:hover { border-color: #fff; }

/* Section headings */
.section-head {
  max-width: 640px;
  margin: 0 0 48px;
}
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.section-head p { font-size: 1.05rem; }

section { padding: 88px 0; }

/* Services */
.services { border-top: 1px solid var(--line); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(33, 69, 214, 0.08);
  transform: translateY(-2px);
}
.service-num {
  display: inline-block;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.service-card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; margin-bottom: 16px; }
.service-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-card li {
  font-size: 0.88rem;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}
.service-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

/* About */
.about { background: var(--ink); color: #fff; }
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}
.about .eyebrow { color: #7f9bff; }
.about h2 { color: #fff; font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
.about p { color: rgba(255, 255, 255, 0.72); }
.about-quote {
  margin: 0;
  padding: 32px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 var(--radius) var(--radius) 0;
  align-self: center;
}
.about-quote p {
  color: #fff;
  font-size: 1.28rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
}

/* Process */
.process-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  counter-reset: step;
}
.process-list li { position: relative; padding-top: 8px; }
.process-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 28px;
  left: calc(100% - 4px);
  width: calc(28px + 8px);
  height: 2px;
  background: var(--line);
  display: none;
}
.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 1.05rem;
  margin-bottom: 18px;
}
.process-list h3 { font-size: 1.05rem; margin-bottom: 8px; }
.process-list p { font-size: 0.92rem; }

/* Pricing */
.pricing { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pricing-inner { max-width: 640px; text-align: center; margin: 0 auto; }
.pricing h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); }
.pricing p { font-size: 1.02rem; }
.pricing .btn { margin-top: 12px; }

/* Contact */
.contact-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
}
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.contact-detail:last-child { border-bottom: 1px solid var(--line); }
.contact-detail span {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}
.contact-detail a { font-size: 1.15rem; font-weight: 700; }
.contact-detail a:hover { color: var(--accent); }

.contact-form {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
}
.form-row { margin-bottom: 18px; }
.form-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-row label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 7px;
}
.form-row input,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 9px;
  font: inherit;
  background: #fff;
  color: var(--ink);
  resize: vertical;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-note {
  font-size: 0.8rem;
  color: var(--ink-faint);
  margin: 12px 0 0;
}
.contact-form .btn { width: 100%; }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, 0.6); padding-top: 64px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.site-footer .logo { color: #fff; }
.footer-inner p { color: rgba(255, 255, 255, 0.55); margin-top: 12px; font-size: 0.92rem; }
.footer-nav { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-size: 0.92rem; color: rgba(255, 255, 255, 0.75); }
.footer-nav a:hover { color: #fff; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.footer-contact a { font-size: 0.92rem; font-weight: 700; color: #fff; }
.footer-bottom { padding: 22px 28px; }
.footer-bottom p { margin: 0; font-size: 0.82rem; color: rgba(255, 255, 255, 0.45); }

/* Responsive */
@media (max-width: 980px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 28px 24px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 0; width: 100%; }
  .header-cta { display: none; }
  .nav-burger { display: flex; }
  .hero { padding: 56px 0 48px; }
  section { padding: 60px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .form-row-split { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-contact { margin-top: 8px; }
}