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

:root {
  --sky:      #a8d4f0;
  --white:    #ffffff;
  --dark:     #1a2e3b;
  --page:     #f7f9fb;
  --font:     'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--page);
  color: var(--dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--font); }

/* ============================================================
   TreanorCorp — Clean & Confident
   Newsreader (serif headings) · IBM Plex Sans (body) · IBM Plex Mono (labels)
   Brand: slate #1a2e3b · sky #a8d4f0 · accent #2d6fa0
   ============================================================ */

:root {
  --dark:    #1a2e3b;
  --sky:     #a8d4f0;
  --accent:  #2d6fa0;
  --page:    #f7f9fb;
  --line:    #e2e9ef;
  --ink-2:   #4a5963;
  --ink-3:   #5b6b76;
  --serif:   'Newsreader', Georgia, 'Times New Roman', serif;
  --sans:    'IBM Plex Sans', system-ui, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;
}

::selection { background: var(--sky); color: var(--dark); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 40px; }

/* ---------- Shared type ---------- */
.eyebrow {
  font: 500 13px/1 var(--mono);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.eyebrow-sky { color: var(--sky); }

.section-title {
  font: 400 46px/1.1 var(--serif);
  letter-spacing: -0.6px;
  color: var(--dark);
  margin: 0;
  max-width: 20ch;
  text-wrap: pretty;
}
.section-title-light { color: #fff; }

.section-intro {
  font: 400 18px/1.6 var(--sans);
  color: var(--ink-2);
  max-width: 62ch;
  margin: 22px 0 0;
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-outline,
.btn-ghost {
  display: inline-block;
  font: 500 15.5px/1 var(--sans);
  padding: 16px 28px;
  border-radius: 9px;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn-primary {
  background: var(--dark);
  color: #fff;
  border: 1px solid var(--dark);
}
.btn-primary:hover { background: var(--accent); border-color: var(--accent); }
.btn-outline {
  background: transparent;
  color: var(--dark);
  border: 1px solid #c9d6df;
}
.btn-outline:hover { border-color: var(--dark); background: #eef4f8; }
.btn-ghost {
  background: none;
  color: var(--dark);
  border: 1px solid #c9d6df;
  font-size: 14px;
  padding: 11px 20px;
}
.btn-ghost:hover { border-color: var(--dark); }

/* ============================================================
   NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 249, 251, .85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 40px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  flex: none;
}
.nav-wordmark {
  font: 600 21px/1 var(--serif);
  color: var(--dark);
  letter-spacing: .1px;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 34px;
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  position: relative;
  color: #42525c;
  font: 500 14.5px/1 var(--sans);
  padding: 5px 1px;
  transition: color .15s;
}
.nav-links a:hover { color: var(--dark); }
.nav-links a.is-active { color: var(--dark); }
.nav-links a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -7px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-toggle { display: none; }

/* ============================================================
   HERO
   ============================================================ */
.hero-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px 40px 72px;
}
.hero .eyebrow { margin-bottom: 30px; }
.hero-title {
  font: 400 76px/1.04 var(--serif);
  letter-spacing: -1.2px;
  margin: 0;
  max-width: 15ch;
  color: var(--dark);
  text-wrap: pretty;
}
.hero-title em { font-style: italic; color: var(--accent); }
.hero-sub {
  font: 400 20px/1.6 var(--sans);
  color: var(--ink-2);
  max-width: 60ch;
  margin: 34px 0 0;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 76px;
  border-top: 1px solid var(--line);
  padding-top: 42px;
}
.stat-number {
  font: 400 56px/1 var(--serif);
  color: var(--dark);
  letter-spacing: -1px;
}
.stat-label {
  font: 400 15px/1.45 var(--sans);
  color: var(--ink-3);
  margin-top: 10px;
  max-width: 22ch;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 88px 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 58px;
}
.service-card {
  padding: 0 34px;
  border-left: 1px solid var(--line);
}
.service-tag {
  font: 500 13px/1 var(--mono);
  color: #a8b6c0;
  letter-spacing: 1px;
}
.service-card h3 {
  font: 500 24px/1.25 var(--serif);
  margin: 16px 0 0;
  color: var(--dark);
}
.service-card > p {
  font: 400 15px/1.6 var(--sans);
  color: var(--ink-3);
  margin: 14px 0 22px;
}
.service-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.service-card li {
  font: 400 14.5px/1.45 var(--sans);
  color: #37454e;
  padding-left: 18px;
  position: relative;
}
.service-card li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--sky);
}

/* ============================================================
   WHY US
   ============================================================ */
.why-us { padding: 88px 0; }
.why-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.why-intro { position: sticky; top: 130px; }
.why-intro .section-title { font-size: 44px; line-height: 1.12; }
.why-intro .section-intro { font-size: 17px; max-width: 42ch; }
.why-list { display: flex; flex-direction: column; }
.why-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 6px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.why-num { font: 400 30px/1 var(--serif); color: var(--sky); }
.why-row h3 {
  font: 600 19px/1.3 var(--sans);
  margin: 0;
  color: var(--dark);
}
.why-row p {
  font: 400 15.5px/1.6 var(--sans);
  color: var(--ink-3);
  margin: 9px 0 0;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--dark);
  color: #eaf2f8;
  padding: 88px 0;
}
.about-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-top .section-title { font-size: 42px; line-height: 1.14; letter-spacing: -.4px; }
.about-copy p {
  font: 400 17px/1.7 var(--sans);
  color: #c4d3de;
  margin: 0 0 20px;
}
.about-copy p:last-child { margin-bottom: 0; }
.about-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
  border-top: 1px solid rgba(168, 212, 240, .22);
  padding-top: 42px;
}
.about-card h3 {
  font: 600 18px/1.3 var(--sans);
  margin: 0;
  color: var(--sky);
}
.about-card p {
  font: 400 15px/1.6 var(--sans);
  color: #b7c7d3;
  margin: 10px 0 0;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact { background: #fff; padding: 88px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}
.contact-info .section-title { font-size: 44px; }
.contact-info .section-intro { font-size: 17px; max-width: 40ch; margin-bottom: 32px; }
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.contact-details a {
  color: var(--dark);
  font: 500 16px/1.4 var(--sans);
}
.contact-details a:hover { color: var(--accent); }
.contact-locations {
  font: 400 14px/1.4 var(--mono);
  color: #8a98a2;
  letter-spacing: .3px;
  margin-top: 4px;
}

/* form */
.contact-form form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-row {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-group:not(.form-row .form-group) { grid-column: span 2; }
.form-group-full { grid-column: span 2; }
.form-group label {
  font: 500 13px/1 var(--sans);
  color: #37454e;
}
.form-group input,
.form-group select,
.form-group textarea {
  font: 400 15px/1.4 var(--sans);
  padding: 13px 14px;
  border: 1px solid #d3dee6;
  border-radius: 9px;
  background: #fafcfe;
  color: var(--dark);
  outline: none;
  width: 100%;
  transition: border-color .15s;
}
.form-group textarea { resize: vertical; line-height: 1.5; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-error {
  font: 400 12.5px/1 var(--sans);
  color: #c0392b;
}
.form-hp { display: none; }
.form-submit {
  grid-column: span 2;
  justify-self: start;
  background: var(--dark);
  color: #fff;
  font: 500 15.5px/1 var(--sans);
  padding: 15px 30px;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  transition: background .15s;
}
.form-submit:hover { background: var(--accent); }

.form-success {
  background: #eef6fc;
  border: 1px solid #cfe6f7;
  border-radius: 14px;
  padding: 48px 40px;
  text-align: center;
}
.form-success-mark {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font: 500 24px/1 var(--sans);
}
.form-success h3 {
  font: 400 26px/1.2 var(--serif);
  margin: 0;
  color: var(--dark);
}
.form-success p {
  font: 400 15.5px/1.6 var(--sans);
  color: var(--ink-3);
  margin: 12px 0 24px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--page);
  border-top: 1px solid var(--line);
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding-top: 34px;
  padding-bottom: 34px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 600 16px/1 var(--serif);
  color: var(--dark);
}
.footer-social {
  margin-left: auto;
  color: var(--ink-3);
  display: flex;
}
.footer-social:hover { color: var(--dark); }
.footer-copy {
  font: 400 13px/1 var(--mono);
  color: #9aa8b2;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero-title { font-size: 54px; }
  .section-title { font-size: 38px; }
  .why-inner,
  .about-top,
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .why-intro { position: static; }
  .services-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-card { border-left: none; padding: 0; border-top: 1px solid var(--line); padding-top: 28px; }
  .about-cards { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .container,
  .nav,
  .hero-inner { padding-left: 22px; padding-right: 22px; }
  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    margin-left: auto;
    padding: 6px;
  }
  .nav-toggle span {
    width: 24px; height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: transform .2s, opacity .2s;
  }
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--page);
    border-bottom: 1px solid var(--line);
    padding: 0 22px;
    max-height: 0;
    overflow: hidden;
    margin-left: 0;
    transition: max-height .25s ease, padding .25s ease;
  }
  .nav.open .nav-links { max-height: 320px; padding: 12px 22px 20px; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px 0; width: 100%; }
  .nav-links a.is-active::after { display: none; }
  .nav.open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav-toggle span:nth-child(2) { opacity: 0; }
  .nav.open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-title { font-size: 42px; }
  .hero-sub { font-size: 17px; }
  .stats-bar { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   MOTION — scroll reveals & micro-interactions
   All gated behind prefers-reduced-motion so reduced-motion
   users see the final state with no animation.
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  /* fade + rise reveal; --reveal-delay set per element for stagger.
     Hidden state is gated on html.js so content still shows if JS is off. */
  html.js [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .75s cubic-bezier(.16, .84, .44, 1) var(--reveal-delay, 0ms),
                transform .75s cubic-bezier(.16, .84, .44, 1) var(--reveal-delay, 0ms);
  }
  html.js [data-reveal][data-inview] {
    opacity: 1;
    transform: none;
  }

  /* sky accent line that draws in beneath each section label */
  .eyebrow { position: relative; }
  html.js .eyebrow::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    height: 2px;
    width: 0;
    background: var(--sky);
    transition: width .85s cubic-bezier(.16, .84, .44, 1) .2s;
  }
  html.js .eyebrow[data-inview]::after { width: 36px; }

  /* service cards lift slightly on hover */
  .service-card {
    transition: transform .28s cubic-bezier(.16, .84, .44, 1);
  }
  .service-card:hover { transform: translateY(-5px); }

  /* stat numbers ease up as they count */
  .stat-number { transition: color .3s ease; }
}