/* Self-hosted variable fonts (SIL Open Font License, see fonts/). latin is preloaded in each page's <head>. */
@font-face{font-family:'Inter'; font-style:normal; font-weight:400 600; font-display:swap; src:url(fonts/inter-latin-ext.woff2) format('woff2'); unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Inter'; font-style:normal; font-weight:400 600; font-display:swap; src:url(fonts/inter-latin.woff2) format('woff2'); unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:'Fraunces'; font-style:normal; font-weight:500 700; font-display:swap; src:url(fonts/fraunces-latin-ext.woff2) format('woff2'); unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:'Fraunces'; font-style:normal; font-weight:500 700; font-display:swap; src:url(fonts/fraunces-latin.woff2) format('woff2'); unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}

:root{
  --bg:#ffffff;
  --bg-alt:#f6f7f9;
  --card:#ffffff;
  --border:#e3e6ea;
  --text:#4b5563;
  --text-dim:#6b7280;
  --heading:#12181f;
  --accent:#0a776a;
  --accent-hover:#085f55;
  --sans:'Inter', sans-serif;
  --display:'Fraunces', serif;

  /* Type scale: use these instead of one-off sizes */
  --fs-xs:13px;    /* meta: dates, labels, footer */
  --fs-sm:14px;    /* UI: nav, buttons, small copy */
  --fs-md:15px;    /* card and list copy */
  --fs-base:16px;  /* body and lead paragraphs */
  --fs-lg:17px;    /* card titles */
  --fs-xl:20px;    /* inline stat numbers */
}
*{box-sizing:border-box; margin:0; padding:0;}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth;}}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:var(--fs-base);
  line-height:1.65;
  overflow-x:hidden;
}
a{color:var(--accent); text-decoration:none;}
::selection{background:var(--accent); color:#fff;}

/* Keyboard focus: visible ring for keyboard users only */
:focus-visible{outline:2px solid var(--accent); outline-offset:3px; border-radius:4px;}

/* Skip link: hidden until focused with Tab */
.skip-link{
  position:absolute; left:16px; top:-48px; z-index:1000;
  background:var(--heading); color:#fff; padding:10px 16px; border-radius:8px;
  font-size:var(--fs-sm); font-weight:600;
}
.skip-link:focus{top:12px;}

picture{display:block; height:100%;}

.container{max-width:920px; margin:0 auto; padding:0 24px; position:relative; z-index:1;}

/* NAV */
nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1080px; margin:0 auto; padding:18px 24px;
  display:flex; align-items:center; justify-content:space-between;
}
.logo{
  font-family:var(--display); font-weight:600; color:var(--heading); font-size:var(--fs-lg);
}
.logo span{color:var(--accent);}
.nav-links{display:flex; gap:32px; list-style:none; align-items:center;}
.nav-links a{
  color:var(--text-dim); font-size:var(--fs-sm); font-weight:500;
  transition:color .2s;
}
.nav-links a:hover, .nav-links a.active{color:var(--heading);}
.nav-cta{
  border:1px solid var(--border); padding:8px 16px; border-radius:8px; color:var(--heading) !important;
  transition:border-color .2s, color .2s;
}
.nav-cta:hover{border-color:var(--accent); color:var(--accent) !important;}
.nav-toggle{display:none; background:none; border:none; color:var(--heading); font-size:22px; cursor:pointer;}

@media (max-width:720px){
  .nav-links{
    position:fixed; top:60px; left:0; right:0;
    flex-direction:column; align-items:flex-start; background:#fff;
    border-bottom:1px solid var(--border);
    padding:16px 24px; gap:16px;
    transform:translateY(-150%); transition:transform .25s ease;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:block;}
}

/* HERO */
header.hero{
  padding-top:176px; padding-bottom:96px;
  text-align:center;
}
.hero-intro{
  color:var(--text); font-size:var(--fs-base); font-weight:500; margin-bottom:24px;
}
.hero-intro strong{color:var(--heading); font-weight:600;}
.eyebrow{
  color:var(--accent); font-size:var(--fs-sm); font-weight:600;
  display:flex; align-items:center; justify-content:center; gap:8px; margin-bottom:16px;
}
h1.name{
  font-family:var(--display); font-weight:600; color:var(--heading);
  font-size:clamp(2.4rem, 5.5vw, 3.8rem); line-height:1.15; margin-bottom:24px;
  max-width:760px; margin-left:auto; margin-right:auto;
}
.role-line{
  font-size:clamp(1.05rem,2vw,1.2rem); color:var(--text-dim); margin-bottom:24px;
}
.role-line .accent{color:var(--accent); font-weight:600;}
.type-cursor{display:inline-block; width:2px; height:0.95em; background:var(--accent); margin-left:4px; vertical-align:middle; animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}
@media (prefers-reduced-motion:reduce){.type-cursor{display:none;}}
.hero-desc{max-width:560px; color:var(--text-dim); margin:0 auto 32px; font-size:var(--fs-base);}
.btn-row{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:32px; justify-content:center;}
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:12px 24px; border-radius:8px; font-weight:600; font-size:var(--fs-sm);
  transition:background .15s, border-color .15s, color .15s;
}
.btn-primary{
  background:var(--accent); color:#fff; border:1px solid var(--accent);
}
.btn-primary:hover{background:var(--accent-hover); border-color:var(--accent-hover);}
.btn-outline{
  border:1px solid var(--border); color:var(--heading); background:transparent;
}
.btn-outline:hover{border-color:var(--accent); color:var(--accent);}
.social-row{display:flex; gap:24px; justify-content:center; font-size:var(--fs-sm); font-weight:500;}
.social-row a{color:var(--text-dim); transition:color .2s;}
.social-row a:hover{color:var(--accent);}

/* PAGE HERO (subpages) */
.page-hero{padding:160px 0 64px; text-align:center;}
.page-hero .name{font-size:clamp(2rem,4.5vw,3rem); margin-bottom:16px;}
.page-hero .hero-desc{margin-bottom:0;}
.page-hero .hero-actions{margin:32px 0 0;}

/* SECTION SHARED */
section{padding:96px 0; position:relative;}
.section-alt{background:var(--bg-alt); border-top:1px solid var(--border); border-bottom:1px solid var(--border);}
.section-title-big{
  font-family:var(--display); font-weight:600; color:var(--heading);
  font-size:clamp(1.8rem,3.6vw,2.6rem); line-height:1.3; text-align:center;
  max-width:760px; margin:0 auto 64px;
}
.section-title-big .accent{color:var(--accent);}
h2.section-title{
  font-family:var(--display); font-weight:600; color:var(--heading);
  font-size:clamp(1.6rem,3vw,2.1rem); margin-bottom:40px;
}

/* VALUE PROPS (goals section) */
.value-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:48px;}
.value-grid-4{grid-template-columns:repeat(4,1fr); max-width:1000px; margin:0 auto;}
@media (max-width:900px){.value-grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:800px){.value-grid{grid-template-columns:1fr; gap:32px;}}
@media (max-width:520px){.value-grid-4{grid-template-columns:1fr;}}
.value-item{text-align:center;}
.value-item p{color:var(--text-dim); font-size:var(--fs-md); max-width:280px; margin:0 auto;}
.value-item strong{color:var(--heading);}
.services-link{margin:56px 0 0;}

/* CENTERED TEXT SECTION (meet the engineer / case studies / blog teasers) */
.text-section{text-align:center;}
.text-section .eyebrow{justify-content:center;}
.text-section h2{
  font-family:var(--display); font-weight:600; color:var(--heading);
  font-size:clamp(1.6rem,3.4vw,2.3rem); margin-bottom:16px; max-width:640px; margin-left:auto; margin-right:auto;
}
.text-section p.lead{color:var(--text-dim); font-size:var(--fs-base); max-width:560px; margin:0 auto 32px;}
.stats-inline{
  display:flex; justify-content:center; gap:32px; flex-wrap:wrap; margin:32px 0 8px;
  font-size:var(--fs-xs); color:var(--text-dim);
}
.stats-inline > div{max-width:150px;}
.stats-inline b{color:var(--heading); font-family:var(--display); font-size:var(--fs-xl); display:block; margin-bottom:2px;}

/* ENGINEER PHOTO */
.engineer-photo{
  width:160px; height:160px; border-radius:24px; overflow:hidden; margin:0 auto 24px;
  border:1px solid var(--border); background:var(--bg-alt);
}
.engineer-photo img{width:100%; height:100%; object-fit:cover; object-position:50% 10%; display:block;} /* square crop of a portrait photo: keep the top of the head in frame */

/* MEET SECTION (two-column, larger photo) */
.meet-grid{display:grid; grid-template-columns:300px 1fr; gap:48px; align-items:center;}
@media (max-width:800px){.meet-grid{grid-template-columns:1fr; text-align:center;}}
.meet-photo{
  width:100%; max-width:300px; margin:0 auto; border-radius:20px; overflow:hidden;
  border:1px solid var(--border); background:var(--card);
  box-shadow:0 20px 40px rgba(18,24,31,0.08);
}
.meet-photo img{width:100%; height:360px; object-fit:cover; display:block;}
@media (max-width:800px){.meet-photo img{height:320px;}}
.meet-content{text-align:left;}
.meet-content .eyebrow{justify-content:flex-start;}
.meet-content h2{
  font-family:var(--display); font-weight:600; color:var(--heading);
  font-size:clamp(1.6rem,3.2vw,2.2rem); margin-bottom:16px;
}
.meet-content p.lead{color:var(--text-dim); font-size:var(--fs-base); max-width:none; margin:0 0 8px;}
/* Always a 2x2 grid so the four stats never wrap 3 + 1 */
.meet-stats{display:grid; grid-template-columns:repeat(2, minmax(0, 200px)); gap:24px 32px; justify-content:flex-start; margin-left:0;}
.meet-stats > div{text-align:left; max-width:none;}
.meet-btn{justify-content:flex-start; margin-top:32px;}
@media (max-width:800px){
  .meet-content{text-align:center;}
  .meet-content .eyebrow{justify-content:center;}
  .meet-stats{justify-content:center;}
  .meet-stats > div{text-align:center;}
  .meet-btn{justify-content:center;}
}

/* ABOUT */
.about-grid{display:grid; grid-template-columns:1.4fr 1fr; gap:48px; align-items:start;}
@media (max-width:800px){.about-grid{grid-template-columns:1fr;}}
.about-text p{color:var(--text-dim); margin-bottom:16px; font-size:var(--fs-base);}
.stats{display:grid; grid-template-columns:repeat(2,1fr); gap:24px;}
@media (max-width:520px){.stats{grid-template-columns:1fr 1fr;}}
.stat-card{
  background:var(--card); border:1px solid var(--border); border-radius:12px; padding:24px;
  text-align:left;
}
.stat-num{font-family:var(--display); font-size:2rem; font-weight:600; color:var(--accent);}
.stat-label{color:var(--text-dim); font-size:var(--fs-xs); margin-top:4px;}

/* TECHNICAL SKILLS */
.skills-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:16px;}
@media (max-width:800px){.skills-grid{grid-template-columns:1fr;}}
.skill-group{background:var(--card); border:1px solid var(--border); border-radius:12px; padding:20px 24px;}
.skill-group h3{color:var(--heading); font-size:var(--fs-md); margin-bottom:12px;}
.skill-tags{list-style:none; display:flex; flex-wrap:wrap; gap:8px;}
.skill-tags li{
  font-size:var(--fs-xs); font-weight:500; color:var(--heading);
  background:var(--bg-alt); border:1px solid var(--border); border-radius:999px; padding:4px 12px;
}

/* EXPERIENCE */
.timeline{position:relative; padding-left:32px; border-left:2px solid var(--border);}
.job{position:relative; margin-bottom:48px;}
.job:last-child{margin-bottom:0;}
.job::before{
  content:''; position:absolute; left:-41px; top:4px; width:16px; height:16px; border-radius:50%;
  background:var(--bg-alt); border:2px solid var(--accent);
}
.job-head{display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; margin-bottom:4px;}
.job-title{font-family:var(--display); font-weight:600; color:var(--heading); font-size:var(--fs-lg);}
.job-date{font-size:var(--fs-xs); font-weight:500; color:var(--accent);}
.job-company{color:var(--text-dim); font-size:var(--fs-sm); margin-bottom:16px; font-style:italic;}
.job ul{padding-left:16px; color:var(--text-dim); font-size:var(--fs-md);}
.job li{margin-bottom:8px;}
.job li::marker{color:var(--accent);}

/* CERTS */
.cert-sub{color:var(--text-dim); font-size:var(--fs-xs); margin-top:-32px; margin-bottom:32px;}
.certs-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
@media (max-width:800px){.certs-grid{grid-template-columns:repeat(2,1fr);}}
.cert-card{
  background:var(--card); border:1px solid var(--border); border-radius:12px; padding:24px 16px;
  text-align:center; transition:border-color .2s; display:block;
}
.cert-card:hover{border-color:var(--accent);}
.cert-badge{width:96px; height:96px; margin:0 auto 16px; display:block;} /* official Credly badge images */
.cert-card h3{color:var(--heading); font-size:var(--fs-md); margin-bottom:4px;}
.cert-card p{color:var(--text-dim); font-size:var(--fs-xs);}
.cert-cta{text-align:center; margin-top:32px;}

/* EDUCATION */
.edu-card{
  background:var(--card); border:1px solid var(--border); border-radius:12px; padding:24px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px;
}
.edu-card h3{color:var(--heading); font-family:var(--display); font-size:var(--fs-lg);}
.edu-card p{color:var(--text-dim); font-size:var(--fs-sm); margin-top:4px;}
.edu-date{color:var(--accent); font-size:var(--fs-xs); font-weight:500;}

/* CTA BANNER (subpages) */
.cta-banner{text-align:center; padding:64px 0;}
.cta-banner .section-title{margin-bottom:16px;}
.cta-banner p{color:var(--text-dim); margin:0 auto 24px; font-size:var(--fs-base); max-width:600px;}
.cta-banner p + p{margin-top:-12px;}

/* SERVICES */
.service-list{display:grid; gap:24px;}
.service-card{
  background:var(--card); border:1px solid var(--border); border-radius:16px; padding:32px;
  display:grid; grid-template-columns:1.25fr 1fr; gap:40px; scroll-margin-top:96px;
}
@media (max-width:800px){.service-card{grid-template-columns:1fr; gap:24px; padding:24px;}}
.service-tag{color:var(--accent); font-size:var(--fs-xs); font-weight:600; text-transform:uppercase; letter-spacing:.06em; margin-bottom:8px;}
.service-card h3{font-family:var(--display); font-weight:600; color:var(--heading); font-size:1.4rem; line-height:1.3; margin-bottom:8px;}
.service-for{color:var(--text-dim); font-size:var(--fs-md); margin-bottom:24px;}
.service-card h4{color:var(--heading); font-size:var(--fs-sm); font-weight:600; margin-bottom:8px;}
.service-card ul{padding-left:18px; color:var(--text); font-size:var(--fs-md); margin-bottom:24px;}
.service-card li{margin-bottom:6px;}
.service-card li::marker{color:var(--accent);}
.service-side{border-left:1px solid var(--border); padding-left:40px;}
@media (max-width:800px){.service-side{border-left:none; padding-left:0; border-top:1px solid var(--border); padding-top:24px;}}
.service-price{font-family:var(--display); font-weight:600; color:var(--heading); font-size:1.6rem; margin-bottom:12px; line-height:1.2;}
.service-scope{color:var(--text); font-size:var(--fs-sm); margin-bottom:24px;}
.service-scope strong{color:var(--heading);}
.service-price span{display:block; font-family:var(--sans); font-weight:500; font-size:var(--fs-xs); color:var(--text-dim); margin-top:4px;}
.service-proof{background:var(--bg-alt); border-left:3px solid var(--accent); border-radius:8px; padding:12px 16px; font-size:var(--fs-sm); color:var(--text);}
.service-note{color:var(--text-dim); font-size:var(--fs-sm); margin-top:24px; text-align:center;}

.levels{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
@media (max-width:800px){.levels{grid-template-columns:1fr;}}
.level{border:1px solid var(--border); border-radius:12px; padding:24px; border-top:3px solid var(--accent);}
.level-name{font-family:var(--display); font-weight:600; color:var(--heading); font-size:var(--fs-lg); margin-bottom:8px;}
.level p:not(.level-name){color:var(--text-dim); font-size:var(--fs-md);}
.levels-example{color:var(--text-dim); font-size:var(--fs-sm); margin-top:24px; max-width:760px;}

.steps{list-style:none; counter-reset:step; display:grid; grid-template-columns:repeat(4,1fr); gap:24px;}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.steps{grid-template-columns:1fr;}}
.steps li{counter-increment:step;}
.steps li::before{
  content:counter(step); display:flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:50%; border:2px solid var(--accent); color:var(--accent);
  font-weight:600; font-size:var(--fs-sm); margin-bottom:16px; background:var(--card);
}
.steps h3{color:var(--heading); font-size:var(--fs-md); margin-bottom:4px;}
.steps p{color:var(--text-dim); font-size:var(--fs-sm);}


.faq details{max-width:760px;}
.faq details{border-bottom:1px solid var(--border); padding:16px 0;}
.faq details:first-of-type{border-top:1px solid var(--border);}
.faq summary{cursor:pointer; color:var(--heading); font-weight:600; font-size:var(--fs-base);}
.faq summary::marker{color:var(--accent);}
.faq details p{color:var(--text-dim); font-size:var(--fs-md); margin-top:12px;}

.cta-banner .btn-row{margin-bottom:0;}
.alt-booking{color:var(--text-dim); font-size:var(--fs-sm); text-align:center; margin-top:16px;}
.alt-booking a{text-decoration:underline; text-underline-offset:2px;}
.page-hero .alt-booking{margin-top:20px;}
.cta-banner .alt-booking{font-size:var(--fs-sm); margin:20px auto 0;}

/* CASE STUDIES */
.case-section{padding:64px 0 96px;}
.case-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
@media (max-width:900px){.case-grid{grid-template-columns:1fr;}}
.case-card{
  background:var(--card); border:1px solid var(--border); border-radius:16px; padding:28px;
  display:flex; flex-direction:column;
}
.case-card h2{font-family:var(--display); font-weight:600; color:var(--heading); font-size:1.3rem; line-height:1.3; margin-bottom:12px;}
.case-card p:not(.service-tag){color:var(--text-dim); font-size:var(--fs-md); margin-bottom:24px; flex:1;}
.case-status{
  align-self:flex-start; font-size:var(--fs-xs); font-weight:600; color:var(--accent);
  background:rgba(10,119,106,0.08); border:1px solid rgba(10,119,106,0.25); border-radius:999px; padding:4px 12px;
}
.case-note{color:var(--text-dim); font-size:var(--fs-sm); text-align:center; margin-top:32px;}
.case-note a{text-decoration:underline; text-underline-offset:2px;}

/* CONTACT */
#contact{text-align:center;}
.contact-inner{max-width:520px; margin:0 auto;}
.contact-inner p{color:var(--text-dim); margin-bottom:32px; font-size:var(--fs-base);}
.contact-methods{display:flex; flex-direction:column; gap:16px; margin-bottom:32px;}
.contact-method{
  display:block; background:var(--card); border:1px solid var(--border);
  border-radius:12px; padding:16px 24px; text-align:left; transition:border-color .2s;
}
a.contact-method:hover{border-color:var(--accent);}
.contact-method .label{display:block; font-size:var(--fs-xs); color:var(--text-dim);}
.contact-method .val{color:var(--heading); font-weight:500; font-size:var(--fs-md);}

footer{
  border-top:1px solid var(--border); padding:32px 0; text-align:center;
  color:var(--text-dim); font-size:var(--fs-xs);
}

/* PROSE (privacy and other long-form pages) */
.prose-section{padding:0 0 96px;}
.prose{max-width:680px;}
.prose .updated{color:var(--text-dim); font-size:var(--fs-xs); margin-bottom:32px;}
.prose h2{font-family:var(--display); font-weight:600; color:var(--heading); font-size:1.4rem; margin:40px 0 12px;}
.prose p, .prose li{font-size:var(--fs-base); color:var(--text); margin-bottom:16px;}
.prose ul{padding-left:20px; margin-bottom:16px;}
.prose li{margin-bottom:8px;}
.prose li::marker{color:var(--accent);}
.prose a{text-decoration:underline; text-underline-offset:2px;}
.prose strong{color:var(--heading);}

footer a{color:var(--text-dim); text-decoration:underline; text-underline-offset:2px;}
footer a:hover{color:var(--accent);}