/* ─── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #1a3c6e;
  --navy-dk: #122d54;
  --navy-lt: #2a5298;
  --accent:  #2563eb;
  --text:    #1f2937;
  --muted:   #6b7280;
  --border:  #e5e7eb;
  --bg:      #ffffff;
  --bg-alt:  #f8fafc;
  --radius:  10px;
  --shadow:  0 4px 24px rgba(26, 60, 110, 0.08);
  --shadow-md: 0 8px 40px rgba(26, 60, 110, 0.13);
  --font:    'Inter', system-ui, sans-serif;
}

html { scroll-behavior: smooth; }

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

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-header p { color: var(--muted); font-size: 1.05rem; margin-top: 12px; }

h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; line-height: 1.2; }

/* ─── Badge ─────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  background: rgba(26, 60, 110, 0.08);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 14px;
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  border: 2px solid transparent;
  font-family: var(--font);
}

.btn-primary {
  background: var(--navy);
  color: #fff;
}
.btn-primary:hover { background: var(--navy-lt); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26,60,110,0.25); }

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline:hover { background: var(--navy); color: #fff; transform: translateY(-1px); }

.btn-full { width: 100%; }

/* ─── Nav ────────────────────────────────────────────────────── */
.nav-wrapper {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.nav-wrapper.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.logo-text { color: var(--text); }
.logo-text span { color: var(--navy); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--navy); }

.nav-cta {
  background: var(--navy) !important;
  color: #fff !important;
  padding: 9px 20px;
  border-radius: var(--radius);
  font-size: 0.88rem !important;
  transition: background 0.18s, transform 0.18s !important;
}
.nav-cta:hover { background: var(--navy-lt) !important; transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: 80px 0 96px;
  background: linear-gradient(160deg, var(--bg-alt) 0%, #eef3fb 100%);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-content { max-width: 560px; }

.hero-content h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.accent { color: var(--navy); position: relative; }
.accent::after {
  content: '';
  position: absolute;
  left: 0; bottom: 2px;
  width: 100%; height: 6px;
  background: rgba(37, 99, 235, 0.18);
  border-radius: 4px;
  z-index: -1;
}

.hero-sub {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
  display: flex;
  gap: 32px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
}

.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.6rem; font-weight: 800; color: var(--navy); }
.stat span { font-size: 0.82rem; color: var(--muted); }

/* Code Card */
.code-card {
  background: #111827;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transform: perspective(900px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.4s ease;
}
.code-card:hover { transform: perspective(900px) rotateY(-2deg) rotateX(1deg); }

.code-card-bar {
  background: #1f2937;
  padding: 12px 16px;
  display: flex;
  gap: 7px;
  align-items: center;
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red    { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green  { background: #22c55e; }

.code-block {
  padding: 24px;
  font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
  font-size: 0.84rem;
  line-height: 1.9;
  color: #d1d5db;
  white-space: pre;
  overflow-x: auto;
}
.code-block .kw  { color: #60a5fa; }
.code-block .str { color: #86efac; }
.code-block .cm  { color: #6b7280; font-style: italic; }

/* ─── Services ───────────────────────────────────────────────── */
.services { background: var(--bg); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: all 0.22s ease;
  background: var(--bg);
}
.service-card:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.service-icon {
  width: 48px; height: 48px;
  background: rgba(26, 60, 110, 0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--navy);
}
.service-icon svg { width: 22px; height: 22px; }

.service-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; }
.service-card p  { color: var(--muted); font-size: 0.92rem; line-height: 1.65; }

/* ─── About ──────────────────────────────────────────────────── */
.about { background: var(--bg-alt); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-content p {
  color: var(--muted);
  margin-top: 14px;
  line-height: 1.75;
}

.about-values {
  list-style: none;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-values li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.value-icon {
  width: 24px;
  height: 24px;
  background: var(--navy);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.about-values strong { font-weight: 700; font-size: 0.95rem; display: block; }
.about-values p { color: var(--muted); font-size: 0.88rem; margin-top: 2px; }

/* About visual cards */
.about-visual { position: relative; min-height: 340px; }

.about-card-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}
.about-card:hover { transform: translateY(-3px); }

.about-card div strong { display: block; font-size: 0.92rem; font-weight: 700; }
.about-card div span  { font-size: 0.8rem; color: var(--muted); }
.card-icon-sm { font-size: 1.5rem; flex-shrink: 0; }

/* ─── Testimonials ───────────────────────────────────────────── */
.testimonials { background: var(--bg); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  transition: transform 0.2s, box-shadow 0.2s;
}
.testimonial-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }

.testimonial-card.featured {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}
.testimonial-card.featured blockquote { color: rgba(255,255,255,0.9); }
.testimonial-card.featured .testimonial-author strong { color: #fff; }
.testimonial-card.featured .testimonial-author span { color: rgba(255,255,255,0.65); }
.testimonial-card.featured .stars { color: #fbbf24; }

.stars { color: #f59e0b; font-size: 0.95rem; margin-bottom: 14px; }

blockquote {
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author { display: flex; align-items: center; gap: 12px; }

.avatar {
  width: 40px; height: 40px;
  background: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--navy);
  flex-shrink: 0;
}
.testimonial-card.featured .avatar { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); color: #fff; }

.testimonial-author strong { display: block; font-size: 0.9rem; font-weight: 700; }
.testimonial-author span  { font-size: 0.8rem; color: var(--muted); }

/* ─── Contact ────────────────────────────────────────────────── */
.contact { background: var(--bg-alt); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 72px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 12px; }
.contact-info > p { color: var(--muted); margin-bottom: 32px; }

.contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-details li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.93rem;
  color: var(--muted);
}
.contact-details svg { width: 18px; height: 18px; color: var(--navy); flex-shrink: 0; }

/* Form */
.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text); }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(26, 60, 110, 0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #9ca3af; }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 12px;
}

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--navy-dk);
  color: #fff;
  padding: 56px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .nav-logo { margin-bottom: 14px; }
.footer-brand .logo-mark { opacity: 0.9; }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-text span { color: #93c5fd; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.88rem; }

.footer-links { display: flex; gap: 48px; }
.footer-links > div strong { display: block; font-size: 0.82rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-bottom: 14px; }
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.88rem; color: rgba(255,255,255,0.75); transition: color 0.15s; }
.footer-links a:hover { color: #fff; }

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 1rem !important; }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-cta { border-radius: 0 !important; padding: 12px 0 !important; background: none !important; color: var(--navy) !important; }

  .nav-toggle { display: flex; }

  .hero { padding: 48px 0 64px; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .hero-stats { gap: 24px; }
  .hero-content h1 { font-size: 2.2rem; }

  .services-grid { grid-template-columns: 1fr; }

  .about-inner { grid-template-columns: 1fr; gap: 40px; }

  .testimonials-grid { grid-template-columns: 1fr; }

  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }

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

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .about-card-stack { grid-template-columns: 1fr; }
}