/* ============================================
   Kateryna Portmann — Design System
   Robotics Product Leadership
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=Archivo:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root{
  /* Color */
  --paper: #F7F5F0;
  --paper-warm: #F1EDE4;
  --ink: #17181A;
  --ink-soft: #3A3B3D;
  --graphite: #6B6862;
  --hairline: #DBD6CB;
  --hairline-strong: #C7C1B3;
  --blue: #1C2B4A;
  --blue-soft: #2E4370;
  --red: #C8402C;
  --red-soft: #E0644F;
  --white: #FFFFFF;

  /* Type */
  --display: 'Archivo', sans-serif;
  --body: 'Newsreader', serif;
  --mono: 'Space Mono', monospace;

  --container: 1280px;
}

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

html{scroll-behavior:smooth;}

body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:18px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

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

::selection{background:var(--red); color:var(--white);}

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

/* ============ TYPE ============ */

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:700;
  line-height:1.05;
  letter-spacing:-0.01em;
  color:var(--ink);
}

.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--red);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:24px;
  height:1px;
  background:var(--red);
  display:inline-block;
}

.serif-lede{
  font-family:var(--body);
  font-style:italic;
  font-weight:400;
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.45;
  color:var(--ink-soft);
}

/* ============ LAYOUT ============ */

.wrap{
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

@media (max-width:640px){
  .wrap{padding:0 22px;}
}

section{position:relative;}

.divider{
  border:none;
  border-top:1px solid var(--hairline);
  margin:0;
}

/* ============ NAV ============ */

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(247,245,240,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--hairline);
}

.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 40px;
  max-width:var(--container);
  margin:0 auto;
}

.logo{
  font-family:var(--display);
  font-weight:800;
  font-size:17px;
  letter-spacing:-0.01em;
  text-transform:uppercase;
}
.logo span{color:var(--red);}

.nav-links{
  display:flex;
  gap:30px;
  list-style:none;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.06em;
  text-transform:uppercase;
}

.nav-links a{
  position:relative;
  padding-bottom:3px;
  transition:color 0.2s;
}
.nav-links a:hover{color:var(--red);}
.nav-links a.active{color:var(--red);}

.nav-cta{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  border:1px solid var(--ink);
  padding:10px 18px;
  white-space:nowrap;
  transition:all 0.2s;
}
.nav-cta:hover{background:var(--ink); color:var(--paper);}

.nav-toggle{
  display:none;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.nav-toggle svg{display:block;}

@media (max-width:900px){
  .nav-links{
    position:fixed;
    top:69px;
    left:0;
    right:0;
    bottom:0;
    background:var(--paper);
    flex-direction:column;
    gap:0;
    padding:10px 22px 40px;
    transform:translateX(100%);
    transition:transform 0.3s ease;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links li{border-bottom:1px solid var(--hairline); width:100%;}
  .nav-links a{display:block; padding:18px 0; font-size:14px;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
  .nav-inner{padding:18px 22px;}
}

/* ============ BUTTONS ============ */

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:15px 26px;
  border:1px solid var(--ink);
  transition:all 0.25s cubic-bezier(.4,0,.2,1);
  cursor:pointer;
  background:none;
}
.btn-primary{
  background:var(--ink);
  color:var(--paper);
  border-color:var(--ink);
}
.btn-primary:hover{background:var(--red); border-color:var(--red);}

.btn-outline{
  color:var(--ink);
}
.btn-outline:hover{background:var(--ink); color:var(--paper);}

.btn-arrow{transition:transform 0.25s;}
.btn:hover .btn-arrow{transform:translateX(4px);}

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

/* ============ HERO ============ */

.hero{
  padding:80px 0 0;
  overflow:hidden;
}

.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:50px;
  align-items:end;
  padding-bottom:60px;
}

.hero h1{
  font-size:clamp(40px,5.4vw,74px);
  margin:20px 0 28px;
}

.hero-text{
  font-family:var(--body);
  font-size:19px;
  color:var(--ink-soft);
  max-width:52ch;
  margin-bottom:34px;
}

.hero-side{
  font-family:var(--mono);
  font-size:13px;
  color:var(--graphite);
  border-left:1px solid var(--hairline-strong);
  padding-left:24px;
  line-height:2;
}

.hero-photo{
  width:100%;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--ink);
}
.hero-photo img{width:100%; height:100%; object-fit:cover;}

@media (max-width:900px){
  .hero{padding-top:50px;}
  .hero-grid{grid-template-columns:1fr; gap:26px;}
  .hero-side{border-left:none; border-top:1px solid var(--hairline-strong); padding-left:0; padding-top:16px;}
}

/* ============ SECTION SPACING ============ */

.section{padding:100px 0;}
.section-tight{padding:70px 0;}
@media (max-width:640px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
}

.section-head{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:50px;
  margin-bottom:56px;
  align-items:end;
}
.section-head h2{font-size:clamp(30px,3.6vw,46px);}
@media (max-width:900px){
  .section-head{grid-template-columns:1fr; gap:18px;}
}

/* ============ BIG IDEA ============ */

.big-statement{
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(28px,4vw,52px);
  line-height:1.2;
  letter-spacing:-0.015em;
}
.big-statement em{
  font-family:var(--body);
  font-style:italic;
  font-weight:500;
  color:var(--red);
}

/* ============ FULL BLEED PHOTO ============ */

.photo-band{
  width:100%;
  aspect-ratio:21/9;
  overflow:hidden;
  background:var(--ink);
}
.photo-band img{width:100%; height:100%; object-fit:cover;}
.photo-caption{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--graphite);
  padding:14px 40px;
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  justify-content:space-between;
}
@media (max-width:640px){
  .photo-band{aspect-ratio:4/5;}
  .photo-caption{padding:12px 22px; flex-direction:column; gap:4px;}
}

/* ============ FOUR DIMENSIONS ============ */

.dimension{
  border-top:1px solid var(--hairline-strong);
  padding:44px 0;
  display:grid;
  grid-template-columns:100px 1fr 1fr;
  gap:36px;
}
.dimension:last-child{border-bottom:1px solid var(--hairline-strong);}

.dimension-primary{
  background:var(--white);
  margin:0 -32px;
  padding:44px 32px;
  border-top:1px solid var(--hairline-strong);
  border-bottom:1px solid var(--hairline-strong);
}
.dimension-primary .dimension-title{font-size:clamp(28px,3vw,38px);}
.dimension-primary .dimension-num{color:var(--red); font-weight:700;}

.dimension-num{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.04em;
  color:var(--red);
  padding-top:6px;
}

.dimension-title{
  font-family:var(--display);
  font-weight:700;
  font-size:clamp(24px,2.6vw,32px);
  margin-bottom:14px;
}

.dimension-desc{
  font-family:var(--body);
  font-style:italic;
  color:var(--ink-soft);
  font-size:19px;
  margin-bottom:0;
}

.dimension-list{
  list-style:none;
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--graphite);
  line-height:2.1;
  text-transform:uppercase;
  letter-spacing:0.02em;
}

.dimension-cta{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--ink);
  border-bottom:1px solid var(--ink);
  display:inline-block;
  margin-top:16px;
  padding-bottom:2px;
  transition:all 0.2s;
}
.dimension-cta:hover{color:var(--red); border-color:var(--red);}

@media (max-width:900px){
  .dimension{grid-template-columns:1fr; gap:14px;}
  .dimension-num{padding-top:0;}
  .dimension-primary{margin:0 -22px; padding:36px 22px;}
}

/* ============ CREDIBILITY STRIP ============ */

.cred-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--hairline-strong);
  border:1px solid var(--hairline-strong);
}
.cred-item{
  background:var(--paper);
  padding:34px 30px;
}
.cred-label{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--red);
  margin-bottom:10px;
}
.cred-value{
  font-family:var(--display);
  font-weight:700;
  font-size:19px;
  margin-bottom:6px;
}
.cred-sub{
  font-family:var(--body);
  font-style:italic;
  color:var(--graphite);
  font-size:15px;
}
@media (max-width:900px){
  .cred-grid{grid-template-columns:1fr;}
}

/* ============ FRAMEWORK (signature element) ============ */

.framework{
  border:1px solid var(--hairline-strong);
  background:var(--white);
  padding:0;
  overflow-x:auto;
}
.framework-track{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  min-width:760px;
}
.framework-stage{
  border-right:1px solid var(--hairline-strong);
  padding:32px 26px 40px;
  position:relative;
}
.framework-stage:last-child{border-right:none;}
.framework-coord{
  font-family:var(--mono);
  font-size:11px;
  color:var(--graphite);
  margin-bottom:22px;
  display:flex;
  justify-content:space-between;
}
.framework-stage h4{
  font-size:20px;
  margin-bottom:14px;
  letter-spacing:-0.01em;
}
.framework-tags{
  list-style:none;
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-soft);
  line-height:2;
}
.framework-tags li::before{
  content:'— ';
  color:var(--red);
}
.framework-arrow{
  position:absolute;
  right:-1px;
  top:50%;
  transform:translateY(-50%);
  width:16px;
  height:16px;
  z-index:2;
}
.framework-principle{
  font-family:var(--body);
  font-style:italic;
  font-size:clamp(18px,2vw,23px);
  text-align:center;
  padding:32px 30px;
  border-top:1px solid var(--hairline-strong);
  color:var(--ink-soft);
}

/* ============ FOOTER ============ */

.site-footer{
  background:var(--ink);
  color:var(--paper);
  padding:70px 0 30px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:50px;
  border-bottom:1px solid rgba(247,245,240,0.15);
}
.footer-brand{
  font-family:var(--display);
  font-weight:800;
  font-size:20px;
  text-transform:uppercase;
  margin-bottom:14px;
}
.footer-brand span{color:var(--red-soft);}
.footer-tag{
  font-family:var(--body);
  font-style:italic;
  color:rgba(247,245,240,0.7);
  max-width:34ch;
}
.footer-col h5{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:rgba(247,245,240,0.5);
  margin-bottom:16px;
}
.footer-col ul{list-style:none; line-height:2.4; font-size:15px;}
.footer-col a:hover{color:var(--red-soft);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  padding-top:26px;
  font-family:var(--mono);
  font-size:11px;
  color:rgba(247,245,240,0.45);
  letter-spacing:0.03em;
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr; gap:36px 20px;}
  .footer-bottom{flex-direction:column; gap:8px;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ============ PAGE HERO (interior pages) ============ */

.page-hero{
  padding:64px 0 70px;
  border-bottom:1px solid var(--hairline);
}
.page-hero h1{
  font-size:clamp(36px,5vw,60px);
  margin:18px 0 24px;
}
.page-hero .serif-lede{max-width:60ch;}

/* ============ GENERIC CONTENT BLOCKS ============ */

.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
}
@media (max-width:900px){
  .two-col{grid-template-columns:1fr; gap:30px;}
}

.split-7-5{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:50px;
}
@media (max-width:900px){
  .split-7-5{grid-template-columns:1fr; gap:26px;}
}

.split-5-7{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:50px;
}
@media (max-width:900px){
  .split-5-7{grid-template-columns:1fr; gap:26px;}
}

.card{
  border:1px solid var(--hairline-strong);
  padding:36px 32px;
  background:var(--white);
}
.card h3{font-size:22px; margin-bottom:12px;}
.card p{color:var(--ink-soft);}

.list-plain{
  list-style:none;
}
.list-plain li{
  padding:20px 0;
  border-top:1px solid var(--hairline);
  display:grid;
  grid-template-columns:140px 1fr;
  gap:24px;
}
.list-plain li:last-child{border-bottom:1px solid var(--hairline);}
.list-plain .tag{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--red);
}
@media (max-width:640px){
  .list-plain li{grid-template-columns:1fr; gap:6px;}
}

.pill{
  display:inline-block;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.05em;
  text-transform:uppercase;
  border:1px solid var(--hairline-strong);
  padding:7px 14px;
  margin:0 8px 8px 0;
  color:var(--ink-soft);
}

.image-frame{
  overflow:hidden;
  background:var(--ink);
}
.image-frame img{width:100%; height:100%; object-fit:cover;}

.coming-soon{
  border:1px dashed var(--hairline-strong);
  padding:50px 36px;
  text-align:center;
}
.coming-soon .eyebrow{justify-content:center;}
.coming-soon .eyebrow::before{display:none;}
.coming-soon h3{margin:14px 0 10px;}
.coming-soon p{color:var(--graphite); max-width:44ch; margin:0 auto;}

/* Event table */
.event-row{
  border-top:1px solid var(--hairline);
  padding:30px 0;
  display:grid;
  grid-template-columns:1fr 1fr 1fr 1fr;
  gap:24px;
}
.event-row:last-child{border-bottom:1px solid var(--hairline);}
.event-field-label{
  font-family:var(--mono);
  font-size:10px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--graphite);
  margin-bottom:6px;
}
.event-field-value{
  font-family:var(--display);
  font-weight:600;
  font-size:16px;
}
.event-topic{
  font-family:var(--display);
  font-weight:700;
  font-size:20px;
  grid-column:1 / -1;
  margin-bottom:6px;
}
@media (max-width:900px){
  .event-row{grid-template-columns:1fr 1fr; gap:16px 24px;}
}

/* Contact pathways */
.pathway-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  background:var(--hairline-strong);
  border:1px solid var(--hairline-strong);
}
.pathway{
  background:var(--paper);
  padding:44px 38px;
  transition:background 0.2s;
}
.pathway:hover{background:var(--white);}
.pathway .eyebrow{margin-bottom:16px;}
.pathway h3{font-size:26px; margin-bottom:12px;}
.pathway p{color:var(--ink-soft); margin-bottom:20px;}
@media (max-width:700px){
  .pathway-grid{grid-template-columns:1fr;}
}

/* Form */
.form-field{margin-bottom:24px;}
.form-field label{
  display:block;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--graphite);
  margin-bottom:8px;
}
.form-field input,
.form-field textarea,
.form-field select{
  width:100%;
  border:none;
  border-bottom:1px solid var(--hairline-strong);
  background:transparent;
  padding:12px 0;
  font-family:var(--body);
  font-size:17px;
  color:var(--ink);
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus{
  outline:none;
  border-color:var(--red);
}

/* Fade-in on scroll */
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in{opacity:1; transform:none;}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--red);
  outline-offset:3px;
}