:root {
  --font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Clean light + blue palette */
  --ink: #0f172a;        /* slate-900 */
  --ink-muted: #475569;  /* slate-600 */
  --ink-soft: #64748b;   /* slate-500 */

  --bg: #ffffff;
  --bg-alt: #f8fafc;     /* slate-50 */
  --bg-soft: #f1f5f9;    /* slate-100 */

  --primary: #2563eb;        /* blue-600 */
  --primary-hover: #1d4ed8;  /* blue-700 */
  --primary-soft: #eff6ff;   /* blue-50 */

  --border: #e2e8f0;     /* slate-200 */

  /* Category accent tints */
  --blue: #2563eb;     --blue-bg: #eff6ff;
  --emerald: #059669;  --emerald-bg: #ecfdf5;
  --violet: #7c3aed;   --violet-bg: #f5f3ff;
  --amber: #d97706;    --amber-bg: #fffbeb;
  --rose: #e11d48;     --rose-bg: #fff1f2;

  --radius: 1rem;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 24px -12px rgba(15, 23, 42, 0.18);
  --shadow-lg: 0 30px 60px -28px rgba(15, 23, 42, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;   /* ~17px, readable */
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
::selection { background: rgba(37, 99, 235, 0.18); color: var(--primary); }

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -3.5rem;
  background: var(--primary);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  z-index: 60;
  transition: top 0.2s ease;
}
.skip-link:focus { inset-block-start: 1rem; }

.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: 1.25rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.8rem; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 30px; width: auto; display: block; }
@media (min-width: 640px) { .brand-logo { height: 32px; } }

.primary-nav { display: none; gap: 1.6rem; font-weight: 600; font-size: 1rem; }
.primary-nav a { color: var(--ink-muted); transition: color 0.15s ease; }
.primary-nav a:hover { color: var(--primary); }

.nav-actions { display: flex; align-items: center; gap: 0.55rem; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.35rem;
  background: var(--bg); border: 1px solid var(--border); color: var(--ink);
  font-family: var(--font-sans); font-weight: 700; font-size: 0.85rem;
  padding: 0.5rem 0.75rem; border-radius: 999px; cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.lang-toggle:hover { background: var(--bg-soft); border-color: #cbd5e1; }
.lang-flag { font-size: 0.95rem; }
.menu-btn {
  display: inline-flex; background: var(--bg); border: 1px solid var(--border);
  color: var(--ink); padding: 0.45rem; border-radius: 0.7rem; cursor: pointer;
}

@media (min-width: 900px) {
  .primary-nav { display: inline-flex; }
  .menu-btn { display: none; }
}

.mobile-nav {
  display: none; flex-direction: column; gap: 0.2rem;
  padding: 0.5rem 1.25rem 1rem; border-top: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { padding: 0.75rem 0.5rem; font-weight: 600; color: var(--ink); border-radius: 0.6rem; }
.mobile-nav a:hover { background: var(--bg-soft); }
@media (min-width: 900px) { .mobile-nav { display: none !important; } }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.8rem 1.3rem; border-radius: 0.7rem; border: 1px solid transparent;
  font-family: var(--font-sans); font-weight: 700; font-size: 1rem; line-height: 1;
  cursor: pointer; white-space: nowrap;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-sm { padding: 0.55rem 0.95rem; font-size: 0.9rem; border-radius: 0.6rem; }
.btn-lg { padding: 0.95rem 1.55rem; font-size: 1.0625rem; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 10px 20px -10px rgba(37, 99, 235, 0.6); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-ghost { background: var(--bg); color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-soft); border-color: #cbd5e1; }
.btn-white { background: #fff; color: var(--primary); }
.btn-white:hover { background: #f8fafc; transform: translateY(-1px); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.4); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); }

/* Hero */
.hero { position: relative; padding-block: 3.5rem 4rem; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; z-index: 0; pointer-events: none;
  top: -160px; right: -120px; width: 460px; height: 460px; border-radius: 999px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.12), transparent 70%);
}
.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr; gap: 2.75rem; align-items: center;
}
@media (min-width: 1024px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 3.5rem; }
  .hero { padding-block: 5rem 5.5rem; }
}

.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--primary); margin-bottom: 0.9rem;
}
.hero-title {
  font-size: clamp(2.2rem, 5.2vw, 3.5rem); line-height: 1.08; letter-spacing: -0.025em;
  font-weight: 800; color: var(--ink); margin: 0 0 1.2rem;
}
.title-accent { color: var(--primary); }
.hero-sub { font-size: 1.2rem; color: var(--ink-muted); margin: 0 0 2rem; max-width: 38rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.85rem; margin-bottom: 1.75rem; }
.hero-bullets { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.7rem; font-size: 1.02rem; color: var(--ink); }
.hero-bullets li { display: flex; align-items: flex-start; gap: 0.7rem; }
.check {
  display: inline-grid; place-items: center; flex: none;
  width: 1.4rem; height: 1.4rem; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary); font-size: 0.8rem; font-weight: 800;
  margin-top: 0.15rem;
}

/* Hero art (CSS-only, light) */
.hero-art { position: relative; isolation: isolate; }
.art-window { background: #fff; border: 1px solid var(--border); border-radius: 1.1rem; box-shadow: var(--shadow-lg); overflow: hidden; }
.art-chrome { display: flex; align-items: center; gap: 0.4rem; padding: 0.7rem 0.85rem; background: var(--bg-alt); border-bottom: 1px solid var(--border); }
.art-dot { width: 0.6rem; height: 0.6rem; border-radius: 999px; background: #cbd5e1; }
.art-dot:nth-child(1) { background: #f87171; }
.art-dot:nth-child(2) { background: #fbbf24; }
.art-dot:nth-child(3) { background: #34d399; }
.art-url { margin-left: 0.6rem; font-size: 0.78rem; color: var(--ink-soft); background: #fff; border: 1px solid var(--border); padding: 0.2rem 0.7rem; border-radius: 999px; }
.art-body { padding: 1.4rem 1.5rem 1.6rem; }
.art-label { margin: 0 0 0.85rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; color: var(--ink-soft); }
.art-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-bottom: 1.3rem; }
.art-stat { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 0.8rem; padding: 0.85rem 0.7rem; display: flex; flex-direction: column; gap: 0.2rem; }
.art-stat strong { font-size: 1.5rem; font-weight: 800; color: var(--primary); }
.art-stat span { font-size: 0.72rem; color: var(--ink-soft); }
.art-chart { display: flex; align-items: flex-end; gap: 0.45rem; height: 6rem; padding-top: 0.6rem; border-top: 1px dashed var(--border); }
.art-chart span { flex: 1; background: linear-gradient(180deg, #60a5fa, #2563eb); border-radius: 0.35rem 0.35rem 0.1rem 0.1rem; }
.art-tag {
  position: absolute; display: inline-flex; align-items: center; gap: 0.35rem;
  background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-md);
  font-size: 0.85rem; font-weight: 600; color: var(--ink); padding: 0.5rem 0.8rem; border-radius: 999px;
}
.art-tag-1 { top: 9%; left: -7%; }
.art-tag-2 { bottom: 8%; right: -5%; }
@media (max-width: 640px) { .art-tag { display: none; } }

/* Field strip */
.strip { border-block: 1px solid var(--border); background: var(--bg-alt); }
.strip-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.5rem; padding-block: 1.1rem; }
.strip-label { font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); }
.strip-items { list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 0.75rem; margin: 0; padding: 0; }
.strip-items li {
  font-size: 0.85rem; font-weight: 600; color: var(--ink-muted);
  background: #fff; border: 1px solid var(--border); padding: 0.35rem 0.8rem; border-radius: 999px;
}

/* Sections */
.section { padding-block: 4.5rem; }
.section-alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.section-head { max-width: 40rem; margin: 0 auto 2.75rem; text-align: center; padding-inline: 1.25rem; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.5rem); line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 0.7rem; }
.section-sub { color: var(--ink-muted); font-size: 1.15rem; margin: 0; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
@media (min-width: 960px) { .about-grid { grid-template-columns: 1fr 1fr; gap: 3.5rem; } }
.block-title { font-size: clamp(1.8rem, 3.4vw, 2.4rem); line-height: 1.15; letter-spacing: -0.02em; font-weight: 800; margin: 0 0 1rem; }
.block-sub { margin: 0; color: var(--ink-muted); font-size: 1.15rem; }
.about-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.25rem; }
.about-points li { display: flex; gap: 1rem; align-items: flex-start; }
.point-num {
  display: inline-grid; place-items: center; flex: none; width: 2.2rem; height: 2.2rem;
  border-radius: 999px; background: var(--primary-soft); color: var(--primary); font-weight: 800; font-size: 1.05rem;
}
.about-points h3 { margin: 0 0 0.25rem; font-weight: 700; font-size: 1.2rem; }
.about-points p { margin: 0; color: var(--ink-muted); font-size: 1.05rem; }

/* Icon tints (shared) */
.icon-blue { background: var(--blue-bg); }
.icon-emerald { background: var(--emerald-bg); }
.icon-violet { background: var(--violet-bg); }
.icon-amber { background: var(--amber-bg); }
.icon-rose { background: var(--rose-bg); }

/* Services */
.service-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .service-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .service-grid { grid-template-columns: repeat(4, 1fr); } }
.service-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cbd5e1; }
.service-icon { width: 3rem; height: 3rem; display: grid; place-items: center; font-size: 1.5rem; border-radius: 0.85rem; margin-bottom: 1rem; }
.service-card h3 { margin: 0 0 0.45rem; font-weight: 700; font-size: 1.2rem; }
.service-card p { margin: 0; color: var(--ink-muted); font-size: 1rem; }

/* Projects */
.project-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 680px) { .project-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .project-grid { grid-template-columns: repeat(3, 1fr); } }
.project-card {
  display: flex; flex-direction: column; overflow: hidden;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #cbd5e1; }
.project-card-feature { border-color: #bfdbfe; box-shadow: 0 10px 24px -14px rgba(37, 99, 235, 0.35); }

.project-media { position: relative; aspect-ratio: 16 / 9; background: var(--bg-soft); overflow: hidden; }
.project-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.project-card:hover .project-media img { transform: scale(1.04); }
.project-tag {
  position: absolute; top: 0.75rem; left: 0.75rem;
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--ink); background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(4px);
  padding: 0.32rem 0.7rem; border-radius: 999px; box-shadow: var(--shadow-sm);
}

.project-body { display: flex; flex-direction: column; padding: 1.35rem 1.5rem 1.6rem; }
.project-name { margin: 0 0 0.2rem; font-weight: 800; font-size: 1.3rem; letter-spacing: -0.01em; }
.project-sub { margin: 0 0 0.7rem; font-weight: 600; color: var(--primary); font-size: 0.95rem; }
.project-desc { margin: 0; color: var(--ink-muted); font-size: 1rem; }
.project-link {
  display: inline-flex; align-items: center; gap: 0.35rem; margin-top: 1rem;
  font-weight: 700; color: var(--primary); font-size: 0.95rem;
}
.project-link:hover { color: var(--primary-hover); }

/* Why */
.why-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
@media (min-width: 640px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }
.why-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem 1.5rem; box-shadow: var(--shadow-sm); }
.why-icon { width: 3rem; height: 3rem; display: grid; place-items: center; font-size: 1.5rem; border-radius: 0.85rem; margin-bottom: 0.9rem; }
.why-item h3 { margin: 0 0 0.45rem; font-weight: 700; font-size: 1.2rem; }
.why-item p { margin: 0; color: var(--ink-muted); font-size: 1rem; }

/* Team */
.team-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}
.team-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.8rem 1.5rem; box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.team-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #cbd5e1; }
.team-avatar {
  width: 5.5rem; height: 5.5rem; border-radius: 999px; overflow: hidden;
  display: grid; place-items: center; margin-bottom: 1rem;
  background: var(--primary-soft); color: var(--primary); border: 1px solid var(--border);
}
.team-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-initials { font-weight: 800; font-size: 1.6rem; letter-spacing: 0.02em; color: var(--primary); }
.team-name { margin: 0 0 0.15rem; font-weight: 800; font-size: 1.2rem; }
.team-role { margin: 0 0 0.7rem; font-weight: 600; color: var(--primary); font-size: 0.95rem; }
.team-bio { margin: 0 0 1rem; color: var(--ink-muted); font-size: 0.98rem; }
.team-link {
  display: inline-flex; align-items: center; gap: 0.4rem; margin-top: auto;
  font-weight: 700; font-size: 0.9rem; color: var(--ink-muted);
  border: 1px solid var(--border); border-radius: 999px; padding: 0.45rem 0.9rem;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.team-link:hover { color: var(--primary); border-color: #bfdbfe; background: var(--primary-soft); }

/* CTA */
.cta { padding-block: 4.5rem; }
.cta-inner {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 55%, #3b82f6 100%);
  color: #fff; border-radius: 1.4rem; padding: 2.5rem;
  display: flex; flex-direction: column; gap: 1.75rem; align-items: flex-start;
  box-shadow: var(--shadow-lg);
}
.cta-inner .eyebrow { color: #bfdbfe; }
.cta-inner h2 { font-size: clamp(1.8rem, 3.4vw, 2.4rem); line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 0.6rem; color: #fff; }
.cta-inner p { margin: 0; color: #dbeafe; max-width: 34rem; font-size: 1.15rem; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; align-items: center; }
.cta-meta { width: 100%; margin: 0.5rem 0 0; color: #bfdbfe; font-size: 0.95rem; }
@media (min-width: 860px) {
  .cta-inner { flex-direction: row; align-items: center; justify-content: space-between; padding: 3rem 3.25rem; }
  .cta-actions { flex-direction: column; align-items: flex-end; }
}

/* Footer */
.site-footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding-block: 2rem; }
.footer-inner { display: flex; flex-direction: column; gap: 1rem; align-items: flex-start; }
@media (min-width: 640px) { .footer-inner { flex-direction: row; justify-content: space-between; align-items: center; } }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 0.55rem; }
.footer-logo { height: 26px; width: auto; }
.footer-tag { margin: 0; font-size: 0.9rem; color: var(--ink-soft); }
.footer-copy { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

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