/* ============================================================
   TOKENS
============================================================ */
:root{
  --ink:#0A2647;
  --ink-soft:#4C6480;
  --ink-faint:#8CA3BE;
  --blue:#1768C0;
  --blue-2:#0F4E97;
  --blue-deep:#061B36;
  --blue-deep-2:#0A2C54;
  --cyan:#2FB6C4;
  --paper:#FBFDFF;
  --sky:#EEF5FF;
  --line:#D7E6F7;
  --white:#FFFFFF;
  --shadow-sm: 0 8px 24px -14px rgba(10,38,71,.25);
  --shadow-lg: 0 30px 70px -30px rgba(6,27,54,.35);
  --ease: cubic-bezier(.22,.68,0,1);
  --container: 1120px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.display{ font-family:'Space Grotesk',system-ui,sans-serif; margin:0; letter-spacing:-.01em; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button{ font-family:inherit; cursor:pointer; }
.mono{ font-family:'JetBrains Mono',monospace; }

.wrap{ max-width:var(--container); margin:0 auto; padding:0 28px; }
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--blue);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--blue);
  display:inline-block;
}
.section-head{ max-width:640px; margin-bottom:56px; }
.section-head h2{ font-size:clamp(32px,4.4vw,46px); font-weight:600; color:var(--ink); }
.section-head .lede{ margin-top:16px; font-size:17px; color:var(--ink-soft); line-height:1.7; }

section{ position:relative; padding:120px 0; }
.skip-link{
  position:absolute; left:-999px; top:0;
  background:var(--blue); color:#fff; padding:12px 18px; z-index:1000; border-radius:0 0 8px 0;
}
.skip-link:focus{ left:0; }

/* ============================================================
   INTRO ANIMATION
============================================================ */
.intro{
  position:fixed; inset:0; z-index:2000;
  background:radial-gradient(120% 140% at 50% 30%, var(--blue-deep-2) 0%, var(--blue-deep) 60%, #040f20 100%);
  display:flex; align-items:center; justify-content:center; flex-direction:column;
  overflow:hidden;
  transition:opacity .7s var(--ease), visibility .7s var(--ease);
}
.intro.is-hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.intro-glow{
  position:absolute; width:900px; height:900px; border-radius:50%;
  background:radial-gradient(circle, rgba(47,182,196,.18) 0%, rgba(47,182,196,0) 70%);
  opacity:0; animation:glowIn 1.6s var(--ease) forwards;
}
@keyframes glowIn{ to{ opacity:1; } }

.intro-line{ width:min(560px,80vw); height:110px; overflow:visible; margin-bottom:8px; }
.intro-line path{
  fill:none; stroke-linecap:round; stroke-linejoin:round;
  stroke-dasharray:1; stroke-dashoffset:1;
  opacity:0;
}
.line-wave{ stroke:var(--cyan); stroke-width:.9; vector-effect:non-scaling-stroke;
  animation:drawLine .8s var(--ease) .15s forwards, fadeLine .01s linear .95s forwards;
}
.line-road{ stroke:#7FD1DA; stroke-width:1.1; stroke-dasharray:.045 .035;
  animation:fadeInLine .01s linear .95s forwards, drawLine .8s var(--ease) 1s forwards, fadeLine .01s linear 1.75s forwards;
}
.line-circuit{ stroke:#BFE9EE; stroke-width:1;
  animation:fadeInLine .01s linear 1.75s forwards, drawLine .75s var(--ease) 1.8s forwards;
}
@keyframes fadeInLine{ to{ opacity:1; } }
@keyframes drawLine{ from{ stroke-dashoffset:1; opacity:1; } to{ stroke-dashoffset:0; opacity:1; } }
@keyframes fadeLine{ to{ opacity:0; } }

.intro-text{ text-align:center; }
.intro-mark{
  display:inline-block; font-family:'JetBrains Mono',monospace; font-size:13px; letter-spacing:.3em;
  color:var(--cyan); opacity:0; transform:translateY(8px);
  animation:riseIn .6s var(--ease) 2.55s forwards;
}
.intro-name{
  color:#fff; font-size:clamp(28px,5vw,44px); font-weight:600; margin-top:14px;
  opacity:0; transform:translateY(14px);
  animation:riseIn .7s var(--ease) 2.75s forwards;
}
.intro-tagline{
  margin-top:12px; color:#9FC3DD; font-size:14.5px; letter-spacing:.02em;
  opacity:0; transform:translateY(10px);
  animation:riseIn .7s var(--ease) 3.05s forwards;
}
@keyframes riseIn{ to{ opacity:1; transform:translateY(0); } }

/* ============================================================
   NAV
============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:900;
  padding:22px 0;
  transition:background .4s var(--ease), padding .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  background:rgba(251,253,255,.86); backdrop-filter:blur(10px);
  padding:14px 0; box-shadow:var(--shadow-sm); border-color:var(--line);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; }
.brand{
  font-family:'JetBrains Mono',monospace; font-weight:500; font-size:15px;
  letter-spacing:.1em; color:var(--ink);
  display:flex; align-items:center; gap:8px;
}
.brand::before{
  content:""; width:9px; height:9px; border-radius:50%; background:var(--cyan);
  box-shadow:0 0 0 4px rgba(47,182,196,.18);
}
.menu{ display:flex; gap:38px; }
.menu a{
  position:relative; font-size:14.5px; font-weight:500; color:var(--ink-soft);
  padding:6px 0; transition:color .25s var(--ease);
}
.menu a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--blue); transform:scaleX(0); transform-origin:left;
  transition:transform .3s var(--ease);
}
.menu a:hover, .menu a.is-active{ color:var(--ink); }
.menu a.is-active::after{ transform:scaleX(1); }

.menu-toggle{
  display:none; background:none; border:none; padding:6px; width:34px; height:34px;
  align-items:center; justify-content:center;
}
.menu-toggle svg{ width:20px; height:20px; }
.menu-toggle .icon-close{ display:none; }
.menu-toggle.is-open .icon-open{ display:none; }
.menu-toggle.is-open .icon-close{ display:block; }

/* ============================================================
   HERO
============================================================ */
.hero{
  padding-top:180px; padding-bottom:80px;
  min-height:92vh; display:flex; align-items:center;
  background:
    radial-gradient(circle at 18px 18px, rgba(23,104,192,.10) 1.5px, transparent 1.6px) 0 0/28px 28px,
    linear-gradient(180deg, var(--sky) 0%, var(--paper) 65%);
}
.hero-inner{ display:grid; gap:28px; max-width:760px; }
.hero-eyebrow{
  font-family:'JetBrains Mono',monospace; font-size:13px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--blue-2); display:flex; flex-wrap:wrap; gap:10px 14px; align-items:center;
}
.hero-eyebrow span:not(:last-child)::after{ content:"·"; margin-left:14px; color:var(--ink-faint); }
.hero h1{
  font-size:clamp(40px,7vw,74px); font-weight:700; line-height:1.03; color:var(--ink);
}
.hero .sub{ font-size:clamp(16px,2vw,19px); color:var(--ink-soft); max-width:620px; line-height:1.75; }
.cta-row{ display:flex; gap:16px; flex-wrap:wrap; margin-top:6px; }
.btn{
  display:inline-flex; align-items:center; gap:9px; padding:14px 26px; border-radius:999px;
  font-size:14.5px; font-weight:600; transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease);
  border:1px solid transparent;
}
.btn svg{ width:15px; height:15px; transition:transform .3s var(--ease); }
.btn-primary{ background:var(--ink); color:#fff; }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:var(--shadow-lg); }
.btn-ghost{ border-color:var(--line); color:var(--ink); background:var(--white); }
.btn-ghost:hover{ transform:translateY(-2px); box-shadow:var(--shadow-sm); border-color:var(--blue); }
.btn:hover svg{ transform:translate(2px,-2px); }

.stat-strip{
  margin-top:40px; display:grid; grid-template-columns:repeat(4,1fr); gap:0;
  border-top:1px solid var(--line); padding-top:32px; max-width:900px;
}
.stat{ padding-right:20px; border-left:1px solid var(--line); padding-left:20px; }
.stat:first-child{ border-left:none; padding-left:0; }
.stat b{ display:block; font-family:'Space Grotesk',sans-serif; font-size:clamp(24px,3vw,32px); color:var(--blue); font-weight:700; }
.stat span{ font-size:12.5px; color:var(--ink-soft); letter-spacing:.02em; }

/* ============================================================
   REVEAL
============================================================ */
[data-reveal]{ opacity:0; transform:translateY(24px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-visible{ opacity:1; transform:translateY(0); }
[data-reveal-delay="1"]{ transition-delay:.1s; }
[data-reveal-delay="2"]{ transition-delay:.2s; }
[data-reveal-delay="3"]{ transition-delay:.3s; }

/* ============================================================
   ABOUT
============================================================ */
.about{ background:var(--white); }
.about-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:64px; align-items:start; }
.about-text p{ color:var(--ink-soft); font-size:16px; line-height:1.85; }
.about-text p + p{ margin-top:18px; }
.about-stats{ display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:20px; margin-top:36px; }
.about-stats .stat{ border:none; padding:0; background:var(--sky); border-radius:16px; padding:18px 20px; }

.timeline{ position:relative; padding-left:34px; }
.timeline::before{
  content:""; position:absolute; left:5px; top:6px; bottom:6px; width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--blue) 40%,var(--ink) 100%);
  border-radius:2px;
}
.t-item{ position:relative; padding-bottom:38px; }
.t-item:last-child{ padding-bottom:0; }
.t-item::before{
  content:""; position:absolute; left:-34px; top:4px; width:12px; height:12px; border-radius:50%;
  background:var(--white); border:2px solid var(--blue); transition:background .3s, box-shadow .3s;
}
.t-item.is-visible::before{ background:var(--blue); box-shadow:0 0 0 5px rgba(23,104,192,.15); }
.t-year{ font-family:'JetBrains Mono',monospace; font-size:13px; color:var(--blue); letter-spacing:.06em; }
.t-item h3{ font-size:19px; font-weight:600; margin-top:6px; color:var(--ink); }
.t-item p{ margin-top:8px; color:var(--ink-soft); font-size:14.75px; line-height:1.7; }

/* ============================================================
   BLOG
============================================================ */
.blog{ background:var(--sky); }
.blog-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; margin-bottom:44px; }
.post-card{
  background:var(--white); border:1px solid var(--line); border-radius:20px; padding:28px;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
  display:flex; flex-direction:column; gap:14px; min-height:200px;
}
.post-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-lg); border-color:transparent; }
.post-tag{ font-family:'JetBrains Mono',monospace; font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--cyan); }
.post-card h3{ font-size:18px; font-weight:600; line-height:1.4; }
.post-card p{ font-size:14.25px; color:var(--ink-soft); line-height:1.65; flex-grow:1; }
.post-link{ font-size:13.5px; font-weight:600; color:var(--blue); display:inline-flex; align-items:center; gap:6px; }
.post-link svg{ width:12px; height:12px; }
.blog-note{ font-size:13px; color:var(--ink-faint); margin-bottom:28px; }
.blog-cta{ display:flex; justify-content:center; }

/* ============================================================
   CONTACT
============================================================ */
.contact{
  background:
    radial-gradient(circle at 24px 24px, rgba(255,255,255,.06) 1.5px, transparent 1.6px) 0 0/32px 32px,
    linear-gradient(180deg, var(--blue-deep-2), var(--blue-deep));
  color:#fff;
}
.contact .eyebrow{ color:var(--cyan); }
.contact .eyebrow::before{ background:var(--cyan); }
.contact .section-head h2{ color:#fff; }
.contact .section-head .lede{ color:#B9CEE3; }
.contact-grid{ display:grid; grid-template-columns:1fr 1.15fr; gap:64px; }
.contact-info{ display:flex; flex-direction:column; gap:28px; }
.contact-email{
  display:inline-flex; align-items:center; gap:12px; font-size:19px; font-weight:600; color:#fff;
  padding-bottom:14px; border-bottom:1px solid rgba(255,255,255,.18); width:fit-content;
  transition:color .3s;
}
.contact-email:hover{ color:var(--cyan); }
.contact-email svg{ width:18px; height:18px; }
.contact-meta{ color:#9FC3DD; font-size:14px; display:flex; flex-direction:column; gap:6px; }
.social-row{ display:flex; gap:12px; margin-top:6px; }
.social-row a{
  width:42px; height:42px; border-radius:50%; border:1px solid rgba(255,255,255,.2);
  display:flex; align-items:center; justify-content:center; transition:all .3s var(--ease);
}
.social-row a svg{ width:17px; height:17px; }
.social-row a:hover{ background:var(--cyan); border-color:var(--cyan); color:var(--blue-deep); transform:translateY(-3px); }

.form-grid{ display:grid; gap:16px; }
.form-row-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field{ display:flex; flex-direction:column; gap:8px; }
.field label{ font-size:12.5px; letter-spacing:.04em; color:#9FC3DD; font-family:'JetBrains Mono',monospace; }
.field input, .field textarea{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.18); border-radius:12px;
  padding:13px 16px; color:#fff; font-family:inherit; font-size:14.5px; transition:border-color .3s, background .3s;
}
.field input:focus, .field textarea:focus{ outline:none; border-color:var(--cyan); background:rgba(255,255,255,.1); }
.field textarea{ resize:vertical; min-height:110px; }
.form-msg{ font-size:13px; color:var(--cyan); min-height:18px; }
.btn-send{ background:var(--cyan); color:var(--blue-deep); align-self:start; }
.btn-send:hover{ transform:translateY(-2px); box-shadow:0 20px 40px -18px rgba(47,182,196,.5); }

/* ============================================================
   FOOTER
============================================================ */
.footer{ background:var(--blue-deep); color:#7C9DBC; padding:26px 0; border-top:1px solid rgba(255,255,255,.08); }
.footer .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
.footer-nav{ display:flex; gap:22px; }
.footer-nav a{ font-size:13px; transition:color .25s; }
.footer-nav a:hover{ color:#fff; }
.footer p{ font-size:13px; }

/* ============================================================
   FOCUS
============================================================ */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--cyan); outline-offset:3px;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 880px){
  .about-grid, .contact-grid{ grid-template-columns:1fr; gap:48px; }
  .blog-grid{ grid-template-columns:1fr; }
  .stat-strip{ grid-template-columns:repeat(2,1fr); row-gap:24px; }
  .stat:nth-child(3){ border-left:none; padding-left:0; }
  section{ padding:88px 0; }
}
@media (max-width: 720px){
  .menu{
    position:fixed; top:0; right:0; height:100vh; width:min(78vw,320px);
    background:var(--white); flex-direction:column; align-items:flex-start; gap:6px;
    padding:100px 32px 32px; box-shadow:var(--shadow-lg);
    transform:translateX(100%); transition:transform .4s var(--ease);
  }
  .menu.is-open{ transform:translateX(0); }
  .menu a{ font-size:17px; padding:14px 0; width:100%; }
  .menu-toggle{ display:flex; }
  .form-row-2{ grid-template-columns:1fr; }
}