/* =========================================================
   THE EXCEL TECHNOLOGIES — MAIN STYLESHEET
   Pure CSS3. No frameworks. No JavaScript.
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  --color-primary: #1256a3;
  --color-primary-dark: #0a3a73;
  --color-primary-light: #eaf2fb;
  --color-accent: #2f8fd6;
  --color-bg: #ffffff;
  --color-surface: #f6f9fc;
  --color-surface-alt: #eef3f9;
  --color-text: #16202b;
  --color-text-secondary: #56636f;
  --color-border: #e1e8ef;
  --color-cta: #1256a3;
  --color-cta-hover: #0a3a73;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(16, 32, 52, 0.06);
  --shadow-md: 0 8px 24px rgba(16, 32, 52, 0.08);
  --shadow-lg: 0 20px 48px rgba(16, 32, 52, 0.12);

  --container-width: 1180px;
  --transition-fast: 0.18s ease;
  --transition-base: 0.28s ease;
  --transition-slow: 0.5s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

button, input, textarea, select { font-family: inherit; font-size: inherit; }

h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; letter-spacing: -0.01em; }

h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { color: var(--color-text-secondary); }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
.section-alt { background: var(--color-surface); }
.section-tight { padding: 64px 0; }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 14px; font-size: 1.05rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.96rem;
  border: 2px solid transparent;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
  cursor: pointer;
}

.btn-primary {
  background: var(--color-cta);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-cta-hover); transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-primary-light); transform: translateY(-2px); }

.btn-light {
  background: #fff;
  color: var(--color-primary);
}
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.cta-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: var(--container-width);
  margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 44px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.94rem;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-primary); background: var(--color-primary-light); }

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

/* Mobile nav — pure CSS checkbox toggle */
.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px;
  height: 20px;
  cursor: pointer;
  z-index: 1001;
}
.nav-toggle-label span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--color-primary-dark);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}
#nav-toggle { display: none; }

@media (max-width: 900px) {
  .main-nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(320px, 82vw);
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 28px 40px;
    gap: 6px;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }
  .main-nav a { width: 100%; padding: 14px 12px; }
  .nav-toggle-label { display: flex; }
  #nav-toggle:checked ~ .main-nav { transform: translateX(0); }
  #nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
  #nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) { opacity: 0; }
  #nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }
  .header-actions .btn-primary { display: none; }
  .main-nav .mobile-cta { display: inline-flex; margin-top: 18px; }
}
@media (min-width: 901px) {
  .mobile-cta { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 90px 0 100px;
  background:
    radial-gradient(1200px 500px at 85% -10%, var(--color-primary-light), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--color-surface) 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-copy p.lead { font-size: 1.12rem; margin: 20px 0 32px; max-width: 540px; }
.hero-visual {
  position: relative;
  animation: fadeInUp 0.9s ease both;
}
.hero-visual svg { width: 100%; height: auto; }

.fade-in { animation: fadeInUp 0.8s ease both; }
.fade-in-delay-1 { animation: fadeInUp 0.8s ease 0.12s both; }
.fade-in-delay-2 { animation: fadeInUp 0.8s ease 0.24s both; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* ---------- Established badge ---------- */
.established-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
  background: #fff;
}
.established-strip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  text-align: center;
}
.established-strip .badge-year {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
}
.established-strip .badge-text {
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

/* ---------- Two column intro ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.intro-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

/* ---------- Cards grid ---------- */
.grid {
  display: grid;
  gap: 24px;
}
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 1000px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--color-primary);
}
.card-icon svg { width: 26px; height: 26px; }

.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.95rem; }
.card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}
.card .card-link:hover { gap: 10px; }

/* ---------- Tech expertise ---------- */
.tech-category {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
}
.tech-category h3 { margin-bottom: 14px; color: var(--color-primary-dark); }
.tech-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tech-tags span {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: 6px 13px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-text);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}
.tech-tags span:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }

/* ---------- Industries ---------- */
.industry-card {
  position: relative;
  border-radius: var(--radius-md);
  padding: 30px 24px;
  background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  overflow: hidden;
  transition: transform var(--transition-base);
}
.industry-card:hover { transform: translateY(-6px); }
.industry-card h3 { color: #fff; margin-bottom: 8px; }
.industry-card p { color: rgba(255,255,255,0.82); font-size: 0.92rem; }

/* ---------- Why us pillars ---------- */
.pillar { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--color-border); }
.pillar:last-child { border-bottom: none; }
.pillar-num {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}
.pillar h3 { margin-bottom: 6px; }
.pillar p { font-size: 0.95rem; }

/* ---------- Approach timeline ---------- */
.timeline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  position: relative;
  margin-top: 20px;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 26px; left: 0; right: 0;
  height: 2px;
  background: var(--color-border);
}
.timeline-step {
  flex: 1;
  text-align: center;
  position: relative;
  padding-top: 60px;
}
.timeline-step::before {
  content: attr(data-step);
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base);
}
.timeline-step:hover::before { transform: translateX(-50%) scale(1.1); }
.timeline-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.timeline-step p { font-size: 0.88rem; }

@media (max-width: 900px) {
  .timeline { flex-direction: column; gap: 36px; }
  .timeline::before { top: 0; bottom: 0; left: 26px; right: auto; width: 2px; height: auto; }
  .timeline-step { padding-top: 0; padding-left: 76px; text-align: left; }
  .timeline-step::before { top: 0; left: 26px; transform: translateX(-50%); }
  .timeline-step:hover::before { transform: translateX(-50%) scale(1.1); }
}

/* ---------- CTA banners ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 56px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: #fff; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.85); }

/* ---------- Footer ---------- */
.site-footer { background: #0b1f34; color: #cfd9e3; padding: 72px 0 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { height: 40px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-brand p { color: #9fb0c0; font-size: 0.9rem; max-width: 280px; }
.site-footer h4 { color: #fff; font-size: 0.92rem; margin-bottom: 16px; letter-spacing: 0.03em; }
.site-footer ul li { margin-bottom: 10px; }
.site-footer a { color: #b7c4d1; font-size: 0.92rem; transition: color var(--transition-fast); }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  font-size: 0.85rem;
  color: #8ea0b2;
}
.footer-bottom a { color: #8ea0b2; }
.footer-bottom-links { display: flex; gap: 20px; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Page header (inner pages) ---------- */
.page-hero {
  padding: 64px 0 56px;
  background: linear-gradient(180deg, var(--color-primary-light), #fff);
  text-align: center;
}
.page-hero .eyebrow { margin-bottom: 14px; }
.page-hero p { max-width: 620px; margin: 16px auto 0; font-size: 1.05rem; }

.breadcrumb { font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: 14px; }
.breadcrumb a { color: var(--color-primary); font-weight: 600; }

/* ---------- Service detail blocks ---------- */
.service-detail {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 28px;
}
.service-detail h2 { margin-bottom: 14px; }
.service-detail .sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 26px;
}
.service-detail .sub-block h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.service-detail .sub-block p { font-size: 0.92rem; }
@media (max-width: 800px) {
  .service-detail .sub-grid { grid-template-columns: 1fr; }
}

/* ---------- Values grid ---------- */
.value-card { text-align: center; padding: 34px 22px; }
.value-card .card-icon { margin-left: auto; margin-right: auto; }

/* ---------- Careers ---------- */
.careers-panel {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
}
.careers-panel h3 { margin-bottom: 12px; }
.careers-panel p { max-width: 560px; margin: 0 auto 24px; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: flex-start;
}
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.info-block { display: flex; gap: 16px; margin-bottom: 26px; }
.info-block .card-icon { margin-bottom: 0; }
.info-block h4 { margin-bottom: 4px; font-size: 1rem; }
.info-block p { font-size: 0.92rem; }

.map-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: 26px;
}
.map-frame iframe { width: 100%; height: 260px; border: 0; display: block; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
  outline: none;
}
.field input:required:valid,
.field textarea:required:valid { border-color: #bcd6ee; }

.contact-form { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-sm); }
.form-note { font-size: 0.82rem; color: var(--color-text-secondary); margin-top: 14px; }

/* ---------- Legal pages ---------- */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h2 { margin: 40px 0 14px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li { margin-bottom: 12px; color: var(--color-text-secondary); }
.legal-content ul { padding-left: 22px; list-style: disc; }
.legal-content .updated { font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: 30px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-lg { margin-top: 48px; }
.max-w-sm { max-width: 640px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}