/* Szabó Tamás – portfolio. Cartographic palette, no external fonts. */
:root{
  --paper:#FBFBF8; --paper-2:#EAF6F3; --white:#FFFFFF;
  --ink:#172E54; --slate:#4F5F78; --rule:#D7E2E0;
  --teal:#0B7F78; --teal-dark:#0B7F78; --ochre:#FFB627; --sky:#2E9BE0;
  --serif:Charter,"Bitstream Charter","Sitka Text",Cambria,"Iowan Old Style","Palatino Linotype",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --shell:1180px; --gutter:clamp(20px,5vw,48px);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--header-h) + 16px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.15;margin:0;color:var(--ink);text-wrap:balance}
p{margin:0}
:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:2px}
.shell{max-width:calc(var(--shell) + 2*var(--gutter));margin-inline:auto;padding-inline:var(--gutter)}
.skip-link{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 16px;border-radius:4px;text-decoration:none}
.skip-link:focus{top:12px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(251,251,248,.94);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--rule)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;flex-shrink:0}
.brand-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;box-shadow:0 0 0 2px var(--paper),0 0 0 3px var(--rule)}
.brand-avatar img{width:100%;height:100%;object-fit:cover}
.brand-name{display:flex;flex-direction:column;font:600 18px/1.15 var(--serif)}
.brand-name small{font:400 13px/1.3 var(--sans);color:var(--slate);margin-top:2px}
.desktop-nav{display:flex;gap:26px;margin-left:auto}
.desktop-nav a{font-size:15px;color:var(--slate);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.desktop-nav a:hover{color:var(--ink)}
.desktop-nav a.active{color:var(--ink);border-bottom-color:var(--teal)}
.header-tools{display:flex;align-items:center;gap:12px}
.language-toggle{display:flex;align-items:center;gap:2px;font-size:13px;border:1px solid var(--rule);border-radius:4px;padding:2px}
.language-toggle span{display:none}
.language-toggle a{text-decoration:none;padding:4px 9px;border-radius:3px;color:var(--slate);font-weight:600}
.language-toggle a.selected{background:var(--ink);color:var(--paper)}
.menu-button{display:none;width:42px;height:42px;border:1px solid var(--rule);border-radius:4px;background:transparent;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.menu-button span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.menu-button[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-button[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-button[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{border-top:1px solid var(--rule);background:var(--paper)}
.mobile-nav .shell{display:flex;flex-direction:column;padding-block:8px 20px}
.mobile-nav a{font:600 22px/1.2 var(--serif);text-decoration:none;padding:14px 0;border-bottom:1px solid var(--rule)}
.mobile-nav a.active{color:var(--teal)}

/* Buttons and links */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--sans);text-decoration:none;padding:15px 22px;border-radius:4px;border:1px solid var(--ink);cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary{background:var(--teal);border-color:var(--teal)}
.btn-primary:hover{background:var(--ink);border-color:var(--ink)}
.btn-outline{background:transparent;color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.text-link{color:var(--teal);font-weight:600;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.text-link:hover{color:var(--ink)}
.overline{font-size:14px;font-weight:600;color:var(--teal);margin-bottom:14px}
.tiny-label{font-size:13px;font-weight:600;color:var(--teal)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{font-size:13px;line-height:1;padding:7px 10px;border:1px solid var(--rule);border-radius:3px;color:var(--slate);background:var(--white)}
.chips-soft span{background:var(--paper-2);border-color:transparent;color:var(--ink)}
.chips-vertical{flex-direction:column;align-items:flex-start}

/* Home hero */
.hero{border-bottom:1px solid var(--ink);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,4vw,64px);align-items:end;padding-top:clamp(40px,7vw,96px)}
.hero-copy{padding-bottom:clamp(48px,7vw,96px)}
.hero h1{font-size:clamp(40px,5.6vw,74px);line-height:1.03;letter-spacing:-.015em;font-weight:600}
.hero-intro{font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--slate);max-width:33em;margin-top:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.hero-note{margin-top:40px;padding-top:18px;border-top:1px solid var(--rule);font-size:14px;color:var(--slate);max-width:33em}
.hero-art{position:relative;margin:0;align-self:stretch;display:flex;align-items:flex-end;min-height:440px}
.hero-field{position:absolute;inset:-4% -22% 8% -14%;background:url("hexfield.svg") center/cover no-repeat;-webkit-mask-image:radial-gradient(ellipse 56% 50% at 62% 52%,#000 38%,transparent 100%);mask-image:radial-gradient(ellipse 56% 50% at 62% 52%,#000 38%,transparent 100%)}
.hero-portrait{position:relative;width:100%;max-width:600px;margin-left:auto;animation:portrait-in .9s cubic-bezier(.2,.7,.2,1) both}
.hero-caption{position:absolute;left:0;bottom:32px;max-width:280px;background:var(--paper);padding:14px 18px 15px;border-left:3px solid var(--ochre);box-shadow:0 1px 0 var(--rule)}
.hero-caption strong{display:block;font:600 19px/1.2 var(--serif)}
.hero-caption span{display:block;font-size:13px;line-height:1.45;color:var(--slate);margin-top:4px}
@keyframes portrait-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* Sections */
.section{padding-block:clamp(64px,9vw,120px)}
.section-offset{background:var(--paper-2)}
.section-heading{max-width:46rem;margin-bottom:clamp(32px,4vw,52px)}
.section-heading h2,.manifesto h2,.publication-banner h2,.contact-band h2,.contact-copy h2,.form-wrap h2{font-size:clamp(28px,3.4vw,42px);letter-spacing:-.01em}
.section-description{color:var(--slate);font-size:18px;margin-top:16px;max-width:40em}
.section-cta{margin-top:36px}

/* Expertise tiles (home) */
.expertise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.expertise-tile{display:flex;flex-direction:column;gap:12px;text-decoration:none;border-top:2px solid var(--ink);padding-top:24px;transition:border-color .15s}
.expertise-tile:hover{border-top-color:var(--teal)}
.expertise-tile:hover h3{color:var(--teal)}
.expertise-tile h3{font-size:26px}
.expertise-tile p{color:var(--slate)}
.tile-tech{font-size:14px;font-weight:600;color:var(--teal);margin-top:auto;padding-top:8px}

/* Manifesto (dark band) */
.manifesto{background:linear-gradient(120deg,#172E54,#1D4C80);color:var(--paper);padding-block:clamp(64px,8vw,104px)}
.manifesto h2{color:var(--paper)}
.manifesto-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,6vw,96px);align-items:center}
.manifesto-grid>div>p{color:#C9D8EE;margin-top:18px;max-width:34em}
.process{display:grid;grid-template-columns:repeat(3,1fr);position:relative}
.process::before{content:"";position:absolute;left:0;right:0;top:22px;height:1px;background:#3B5784}
.process>div{position:relative;display:flex;flex-direction:column;gap:6px;padding-right:12px}
.process span{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:#1A3D6A;border:1px solid #6F8AB8;font:600 16px var(--serif);margin-bottom:12px}
.process>div:last-child span{border-color:var(--ochre);color:var(--ochre)}
.process strong{font:600 20px var(--serif)}
.process small{font-size:14px;color:#C9D8EE}

/* Research cards */
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{display:flex;flex-direction:column;gap:14px;background:var(--white);border:1px solid var(--rule);border-top:4px solid var(--teal);border-radius:2px;padding:28px 26px}
.feature-card h3{font-size:22px}
.feature-card p{color:var(--slate);font-size:16px}
.feature-card .text-link{margin-top:auto;padding-top:6px}
.feature-card.is-planned{background:transparent;border-style:dashed;border-top:3px dashed var(--slate)}
.feature-card.is-planned .tiny-label{color:var(--slate)}
.card-top{display:flex;justify-content:space-between}

/* Project list */
.project-list{border-top:1px solid var(--ink)}
.project-list-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:start;padding:28px 0;border-bottom:1px solid var(--rule);position:relative}
.project-content{display:flex;flex-direction:column;gap:10px;max-width:46rem}
.project-content h3{font-size:24px}
.project-content p:not(.tiny-label){color:var(--slate)}
.round-link{font-weight:600;font-size:15px;color:var(--teal);text-decoration:underline;text-underline-offset:4px;align-self:center;white-space:nowrap}
.round-link::after{content:"";position:absolute;inset:0}
.project-list-card:hover h3{color:var(--teal)}

/* Publication banner + contact band */
.publication-banner{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding-block:40px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.publication-banner p{color:var(--slate);margin-top:12px;max-width:36em}
.contact-band{background:var(--teal-dark);color:var(--paper);padding-block:clamp(56px,7vw,88px)}
.contact-band h2{color:var(--paper)}
.contact-band-inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.contact-band .btn-primary{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.contact-band .btn-primary:hover{background:var(--ochre);border-color:var(--ochre);color:var(--ink)}

/* Page hero (sub pages) */
.page-hero{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:end;padding-top:clamp(48px,7vw,96px);padding-bottom:clamp(40px,5vw,64px);background:linear-gradient(var(--ink),var(--ink)) bottom center/calc(100% - 2*var(--gutter)) 1px no-repeat}
.page-hero.has-portrait{grid-template-columns:minmax(0,1.4fr) minmax(220px,.6fr)}
.page-hero-inner{max-width:46rem}
.page-hero h1{font-size:clamp(42px,6vw,76px);letter-spacing:-.015em;line-height:1.02}
.page-lead{font-size:clamp(18px,1.6vw,21px);color:var(--slate);margin-top:24px;max-width:36em}
.page-portrait{margin:0;position:relative;max-width:340px;justify-self:end;width:100%}
.page-portrait::before{content:"";position:absolute;inset:16px -16px -16px 16px;background:var(--paper-2);border-right:3px solid var(--ochre);z-index:-1}
.page-portrait img{width:100%;aspect-ratio:1;object-fit:cover;filter:saturate(.9)}
.page-hero.has-portrait{position:relative;z-index:0}

/* Profile */
.profile-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(32px,6vw,88px);align-items:start}
.reading-prose{display:flex;flex-direction:column;gap:18px;font-size:18px;line-height:1.75;max-width:38em}
.reading{font-size:18px;line-height:1.75;max-width:38em;color:var(--ink)}
.aside-quote{border-left:3px solid var(--ochre);padding:4px 0 4px 28px;margin-top:8px}
.quote-mark{display:block;font:600 64px/0.6 var(--serif);color:var(--ochre);height:30px}
.aside-quote p{font:400 24px/1.4 var(--serif);font-style:italic}
.aside-quote span:last-child{display:block;margin-top:18px;font-size:14px;color:var(--slate)}
.timeline{border-top:1px solid var(--ink)}
.timeline-item{display:grid;grid-template-columns:180px minmax(0,1fr);gap:32px;padding:28px 0;border-bottom:1px solid var(--rule)}
.timeline-date{font:600 17px var(--serif);color:var(--teal)}
.timeline-main h3{font-size:23px}
.timeline-org{display:block;font-size:15px;color:var(--slate);margin:4px 0 10px}
.timeline-main p{max-width:40em}
.education-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;border-top:1px solid var(--ink)}
.education-item{display:grid;grid-template-columns:130px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--rule)}
.education-item small{font-size:14px;font-weight:600;color:var(--teal);padding-top:3px}
.education-item h3{font-size:19px}
.education-item p{font-size:15px;color:var(--slate);margin-top:4px}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.values-grid article{border-top:2px solid var(--ink);padding-top:22px}
.values-grid h3{font-size:22px;margin-bottom:10px}
.values-grid p{color:var(--slate)}
.small-note{margin-top:36px;font-size:14px;color:var(--slate);max-width:48em}

/* Research index steps (a real sequence) */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s}
.steps-grid article{border-top:2px solid var(--ink);padding-top:20px}
.steps-grid span{display:block;font:600 34px/1 var(--serif);color:var(--teal);margin-bottom:16px}
.steps-grid h3{font-size:20px;margin-bottom:8px}
.steps-grid p{color:var(--slate);font-size:16px}

/* Expertise page */
.expertise-detail{padding-block:clamp(48px,6vw,80px);border-bottom:1px solid var(--rule)}
.expertise-detail:last-of-type{border-bottom:0}
.detail-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px clamp(32px,6vw,88px)}
.detail-body h2{font-size:clamp(26px,3vw,36px);grid-column:1/-1}
.method-block{display:flex;flex-direction:column;gap:24px}
.method-block h3{font:600 14px var(--sans);color:var(--slate);margin-bottom:10px}

/* Detail pages */
.detail-hero{padding-top:clamp(40px,6vw,80px)}
.detail-hero .shell{padding-bottom:clamp(40px,5vw,64px);background:linear-gradient(var(--ink),var(--ink)) bottom center/calc(100% - 2*var(--gutter)) 1px no-repeat}
.detail-hero .shell{display:flex;flex-direction:column;align-items:flex-start}
.back-link{font-size:14px;color:var(--slate);text-decoration:none;margin-bottom:32px}
.back-link:hover{color:var(--teal)}
.detail-hero h1{font-size:clamp(34px,4.8vw,60px);max-width:20ch;letter-spacing:-.01em;line-height:1.06}
.detail-lead{font-size:clamp(18px,1.6vw,21px);color:var(--slate);max-width:36em;margin:22px 0 26px}
.detail-content-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(0,.8fr);gap:clamp(32px,6vw,88px);align-items:start}
.question-heading{font-size:clamp(22px,2.4vw,30px);font-weight:400;line-height:1.35;border-left:3px solid var(--ochre);padding-left:22px;margin-bottom:48px}
.detail-section{padding:26px 0;border-top:1px solid var(--rule)}
.detail-section h2{font-size:24px;margin-bottom:12px}
.detail-section p{font-size:18px;line-height:1.7;max-width:38em}
.detail-sidebar{position:sticky;top:calc(var(--header-h) + 24px);background:var(--white);border:1px solid var(--rule);padding:24px}
.aside-rule{height:1px;background:var(--rule);margin:22px 0}
.sidebar-note{font-size:14px;color:var(--slate)}

/* Publications */
.mtmt-card{background:var(--white);border:1px solid var(--rule);border-top:3px solid var(--teal);padding:28px;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.mtmt-card h2{font-size:40px}
.mtmt-card p:not(.overline){color:var(--slate)}

/* Contact */
.contact-columns{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,88px);align-items:start}
.contact-copy>p{color:var(--slate);margin:18px 0 30px;max-width:34em}
.contact-copy h3{font:600 14px var(--sans);color:var(--slate);margin:36px 0 6px}
.contact-direct{display:flex;flex-direction:column;gap:6px;padding:20px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--rule)}
.contact-direct span{font-size:14px;color:var(--slate)}
.contact-direct a{font:600 clamp(20px,2.2vw,26px) var(--serif);text-decoration:none;color:var(--teal);word-break:break-word}
.contact-direct a:hover{text-decoration:underline}
.network-link{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.network-link strong{display:block;font:600 19px var(--serif)}
.network-link small{color:var(--slate);font-size:14px}
.network-link:hover strong{color:var(--teal)}
.form-wrap{background:var(--white);border:1px solid var(--rule);padding:clamp(24px,3vw,36px)}
.form-wrap h2{margin-bottom:22px}
.form-wrap form{display:flex;flex-direction:column}
.form-wrap label{font-size:14px;font-weight:600;margin:16px 0 6px}
.form-wrap input,.form-wrap textarea{font:inherit;font-size:16px;color:var(--ink);background:var(--paper);border:1px solid var(--rule);border-radius:3px;padding:12px 14px}
.form-wrap input:focus,.form-wrap textarea:focus{outline:2px solid var(--teal);outline-offset:0;border-color:var(--teal);background:var(--white)}
.form-wrap textarea{resize:vertical;min-height:140px}
.form-wrap .btn{margin-top:24px;align-self:flex-start}
.form-note{font-size:13px;color:var(--slate);margin-top:14px}

/* Footer */
.footer{background:var(--ink);color:#C9D8EE;padding-top:56px}
.footer-main{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:40px}
.footer-logo{font:600 24px var(--serif);color:var(--paper);text-decoration:none}
.footer-logo span{color:var(--ochre)}
.footer-main p{margin-top:8px;font-size:15px;max-width:30em}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:flex-start}
.footer-links a{color:var(--paper);text-decoration:none;font-size:15px}
.footer-links a:hover{color:var(--ochre)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:20px 28px;border-top:1px solid #2D4A78;font-size:13px}

/* Responsive */
@media (max-width:1010px){
  .desktop-nav{display:none}
  .menu-button{display:flex}
  .header-tools{margin-left:auto}
  .research-grid{grid-template-columns:1fr 1fr}
  .steps-grid{grid-template-columns:1fr 1fr}
  .manifesto-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr;padding-top:36px}
  .hero-copy{padding-bottom:8px}
  .hero-art{min-height:0;max-width:520px;margin-inline:auto;width:100%}
  .hero-field{inset:0 -20% 6% -20%}
  .hero-caption{bottom:20px}
  .expertise-grid,.values-grid,.research-grid{grid-template-columns:1fr}
  .profile-layout,.detail-content-grid,.contact-columns,.detail-body,.education-grid{grid-template-columns:1fr}
  .page-hero.has-portrait{grid-template-columns:1fr}
  .page-portrait{justify-self:start;max-width:240px;order:-1}
  .detail-sidebar{position:static}
  .publication-banner{grid-template-columns:1fr}
  .timeline-item{grid-template-columns:1fr;gap:6px}
}
@media (max-width:560px){
  body{font-size:16px}
  .brand-name small{display:none}
  .process{grid-template-columns:1fr;gap:20px}
  .process::before{display:none}
  .steps-grid{grid-template-columns:1fr}
  .education-item{grid-template-columns:1fr;gap:4px}
  .project-list-card{grid-template-columns:1fr;gap:12px}
  .round-link{justify-self:start}
  .hero-caption{position:relative;bottom:auto;max-width:none;margin-top:-1px}
  .hero-art{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.footer,.contact-band,.hero-field{display:none}
  body{background:#fff}
}

/* v3: brighter accents */
.research-card:nth-child(2):not(.is-planned){border-top-color:var(--sky)}
.expertise-tile:nth-child(2){border-top-color:var(--sky)}
.expertise-tile:nth-child(3){border-top-color:var(--ochre)}
.expertise-tile{border-top-width:4px}
.desktop-nav a.active{border-bottom-color:var(--ochre)}
.language-toggle a.selected{background:var(--teal)}
.footer-logo span,.quote-mark{color:var(--ochre)}
.aside-quote,.question-heading{border-left-color:var(--ochre)}
.brand-avatar{box-shadow:0 0 0 2px var(--paper),0 0 0 4px var(--ochre)}
.page-portrait::before{background:#D6EFEA;border-right-color:var(--ochre)}
.publication-banner{border-top:4px solid var(--teal);border-bottom:1px solid var(--rule)}