@font-face {
  font-family: 'Computer Modern';
  src: url('/assets/fonts/cmunrm.woff2') format('woff2');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Computer Modern';
  src: url('/assets/fonts/cmunbx.woff2') format('woff2');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Computer Modern';
  src: url('/assets/fonts/cmunti.woff2') format('woff2');
  font-weight: normal;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Computer Modern';
  src: url('/assets/fonts/cmunbi.woff2') format('woff2');
  font-weight: bold;
  font-style: italic;
  font-display: swap;
}
/* ================================================================
   SWAMP – main.css  (jasny motyw)
   Surface Water Analysis and Modelling Platform
   ================================================================ */


/* ── Zmienne ─────────────────────────────────────────────────── */
:root {
  --bg:         #ffffff;
  --bg2:        #f6f9f7;
  --bg3:        #eef4f0;
  --surface:    #ffffff;
  --border:     #d4e6dc;
  --border2:    #a8ccba;
  --accent:     #0a7c56;
  --accent2:    #075e40;
  --accent3:    #0d9468;
  --accent-bg:  #e8f5ef;
  --text:       #0e1a16;
  --text2:      #263d34;
  --text3:      #3f6654;
  --muted:      #7a9e90;
  --font:       'Computer Modern', 'CMU Serif', Georgia, serif;
  --font-sans:  'Computer Modern', 'CMU Serif', Georgia, serif;
  --font-mono:  'Computer Modern', 'CMU Serif', Georgia, serif;
  --max:        1200px;
  --r:          4px;
  --tr:         0.25s cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ───────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:18px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
em,i{font-style:normal}
a{color:var(--accent);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--accent2);text-decoration:underline}

/* ── Typografia ──────────────────────────────────────────────── */
h1,h2,h3,h4{font-family:var(--font);font-weight:normal;line-height:1.25;color:var(--text)}
h1{font-size:clamp(2.2rem,5vw,3.8rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:1.4rem}
h4{font-size:1.15rem}
p{color:var(--text);line-height:1.85;margin-bottom:1.1rem;font-size:1rem}
p:last-child{margin-bottom:0}
em{font-style:normal}
strong{font-weight:bold;color:var(--text)}

/* ── Layout ──────────────────────────────────────────────────── */
.container{max-width:var(--max);margin:0 auto;padding:0 2rem}
.section{padding:6rem 0}

.section-label{
  font-family:var(--font-mono);font-size:0.78rem;
  letter-spacing:0.18em;text-transform:uppercase;
  color:var(--accent);display:block;margin-bottom:0.6rem
}
.section-title{margin-bottom:0.75rem}
.section-intro{font-size:1.1rem;color:var(--text);max-width:600px;margin-bottom:3.5rem}

/* ── Przyciski ───────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:0.7rem 1.6rem;font-family:var(--font);font-size:1rem;
  border-radius:var(--r);border:none;cursor:pointer;
  transition:all var(--tr);text-decoration:none;white-space:nowrap
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2);color:#fff;text-decoration:none;transform:translateY(-1px);box-shadow:0 4px 16px rgba(10,124,86,0.2)}
.btn-outline{background:transparent;color:var(--accent);border:1.5px solid var(--accent)}
.btn-outline:hover{background:var(--accent-bg);color:var(--accent2);text-decoration:none}

/* ── NAGŁÓWEK ────────────────────────────────────────────────── */
#site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}

.site-logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.site-logo:hover{text-decoration:none}

.logo-mark{
  width:40px;height:40px;background:var(--accent);
  border-radius:var(--r);display:flex;align-items:center;
  justify-content:center;flex-shrink:0
}
.logo-mark svg{width:22px;height:22px}

.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-name{font-family:var(--font-mono);font-size:1.05rem;color:var(--text);letter-spacing:0.1em}
.logo-tagline{font-family:var(--font);font-size:0.62rem;color:var(--text);margin-top:1px}

#main-nav ul{list-style:none;display:flex;align-items:center;gap:2px}
#main-nav ul li a{
  font-family:var(--font);font-size:1rem;color:var(--text);
  padding:0.45rem 0.9rem;border-radius:var(--r);
  transition:all var(--tr);display:block
}
#main-nav ul li a:hover{color:var(--accent);background:var(--accent-bg);text-decoration:none}
#main-nav ul li.active a{color:var(--accent)}

.menu-toggle{
  display:none;background:none;border:1.5px solid var(--border2);
  border-radius:var(--r);padding:6px 8px;cursor:pointer;color:var(--text)
}

/* ── HERO ────────────────────────────────────────────────────── */
.hero{
  position:relative;min-height:calc(100vh - 72px);
  display:flex;align-items:center;overflow:hidden;
  background:var(--bg2);border-bottom:1px solid var(--border)
}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:52px 52px;opacity:0.6;
  animation:gridDrift 28s linear infinite
}
@keyframes gridDrift{from{transform:translateY(0)}to{transform:translateY(52px)}}

.hero-glow{
  position:absolute;width:700px;height:700px;border-radius:50%;
  background:radial-gradient(circle,rgba(10,124,86,0.05) 0%,transparent 70%);
  top:50%;right:5%;transform:translateY(-50%);pointer-events:none
}
.hero-content{position:relative;z-index:2;width:100%;padding:5rem 0}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:0.78rem;
  letter-spacing:0.2em;text-transform:uppercase;color:var(--accent);
  margin-bottom:1.5rem;opacity:0;animation:fadeUp 0.7s ease 0.2s forwards
}
.hero-eyebrow::before{content:'';width:28px;height:1px;background:var(--accent)}

.hero-title{max-width:780px;margin-bottom:1.5rem;opacity:0;animation:fadeUp 0.7s ease 0.4s forwards;color:var(--text)}
.hero-title em{color:var(--accent)}

.hero-desc{font-size:1.15rem;color:var(--text);max-width:580px;margin-bottom:2.5rem;opacity:0;animation:fadeUp 0.7s ease 0.6s forwards}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;opacity:0;animation:fadeUp 0.7s ease 0.8s forwards}

.hero-stats{display:flex;gap:3.5rem;margin-top:4rem;padding-top:2rem;border-top:1px solid var(--border);opacity:0;animation:fadeUp 0.7s ease 1s forwards}
.stat-item{display:flex;flex-direction:column}
.stat-number{font-family:var(--font-mono);font-size:1.9rem;color:var(--accent);line-height:1}
.stat-label{font-size:0.82rem;color:var(--text);margin-top:4px}

.hero-wave{position:absolute;bottom:-1px;left:0;width:100%;line-height:0}
.hero-wave svg{display:block;width:100%;height:70px}

@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}

/* ── USŁUGI ──────────────────────────────────────────────────── */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}

.service-card{
  background:var(--bg);border:1.5px solid var(--border);border-radius:8px;
  padding:2.25rem;position:relative;overflow:hidden;transition:all var(--tr)
}
.service-card::after{
  content:'';position:absolute;bottom:0;left:0;width:100%;height:3px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform var(--tr)
}
.service-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 8px 28px rgba(10,124,86,0.1)}
.service-card:hover::after{transform:scaleX(1)}

.service-icon{width:48px;height:48px;background:var(--accent-bg);border:1px solid var(--border);border-radius:var(--r);display:flex;align-items:center;justify-content:center;margin-bottom:1.4rem}
.service-icon svg{width:24px;height:24px;stroke:var(--accent);fill:none;stroke-width:1.6}
.service-card h3{font-size:1.2rem;margin-bottom:0.75rem}
.service-card p{font-size:0.95rem;color:var(--text);line-height:1.75;margin-bottom:0}
.service-link{display:inline-flex;align-items:center;gap:6px;font-size:0.9rem;color:var(--accent);margin-top:1.25rem;transition:gap var(--tr);text-decoration:none}
.service-link:hover{gap:10px;text-decoration:none}

/* ── O MNIE sekcja ───────────────────────────────────────────── */
.section-about{background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);position:relative;overflow:hidden}
.section-about::before{content:'SWAMP';position:absolute;right:-1rem;top:50%;transform:translateY(-50%);font-family:var(--font);font-size:18vw;color:rgba(10,124,86,0.04);pointer-events:none;line-height:1;white-space:nowrap}

.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}
.about-tag{font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:0.75rem}
.about-text h2{margin-bottom:1.25rem}
.about-text p{font-size:1rem;color:var(--text);margin-bottom:1rem}

.acronym-list{margin-top:2rem;display:flex;flex-direction:column;gap:0.35rem}
.acronym-row{display:flex;align-items:baseline;gap:1rem}
.acronym-letter{font-family:var(--font-mono);font-size:1.4rem;color:var(--accent);width:28px;flex-shrink:0}
.acronym-word{font-size:1rem;color:var(--text)}

.about-card{background:var(--bg);border:1.5px solid var(--border);border-radius:8px;padding:2.25rem}
.about-card-label{font-family:var(--font-mono);font-size:0.68rem;letter-spacing:0.15em;text-transform:uppercase;color:var(--text);margin-bottom:1.75rem;display:block}
.skill-bar{margin-bottom:1.4rem}
.skill-bar:last-child{margin-bottom:0}
.skill-meta{display:flex;justify-content:space-between;font-size:0.9rem;color:var(--text);margin-bottom:7px}
.skill-track{height:5px;background:var(--bg3);border-radius:99px;overflow:hidden}
.skill-fill{height:100%;background:var(--accent);border-radius:99px;width:0;transition:width 1.2s cubic-bezier(0.4,0,0.2,1)}

/* ── AKTUALNOŚCI ─────────────────────────────────────────────── */
.news-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:3rem;flex-wrap:wrap;gap:1rem}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1.5rem}
.news-card{background:var(--bg);border:1.5px solid var(--border);border-radius:8px;overflow:hidden;transition:all var(--tr)}
.news-card:hover{border-color:var(--accent);box-shadow:0 6px 20px rgba(10,124,86,0.1);transform:translateY(-2px)}
.news-card-top{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 1.6rem 0}
.news-cat{font-family:var(--font-mono);font-size:0.72rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--accent);background:var(--accent-bg);padding:4px 10px;border-radius:2px;border:1px solid var(--border)}
.news-date{font-size:0.85rem;color:var(--text)}
.news-card-body{padding:1rem 1.6rem 1.6rem}
.news-card-body h3{font-size:1.1rem;margin-bottom:0.6rem;line-height:1.4}
.news-card-body h3 a{color:var(--text);text-decoration:none}
.news-card-body h3 a:hover{color:var(--accent)}
.news-card-body p{font-size:0.92rem;color:var(--text);line-height:1.7;margin:0}

/* ── STOPKA ──────────────────────────────────────────────────── */
#site-footer{background:var(--bg2);border-top:1px solid var(--border);padding:3.5rem 0 2rem}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:2rem}
.footer-nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:2px}
.footer-nav ul li a{font-size:0.95rem;color:var(--text);padding:4px 10px;border-radius:var(--r);transition:all var(--tr);text-decoration:none}
.footer-nav ul li a:hover{color:var(--accent);background:var(--accent-bg);text-decoration:none}
.footer-copy{text-align:center;font-size:0.82rem;color:var(--text);margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}

/* ── Scroll reveal ───────────────────────────────────────────── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity 0.55s ease,transform 0.55s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── PAGE HERO ───────────────────────────────────────────────── */
.page-hero{padding:5rem 0 3.5rem;background:var(--bg2);border-bottom:1px solid var(--border)}
.page-title{font-size:clamp(2rem,4vw,3rem);margin-bottom:0.75rem}
.page-intro{font-size:1.1rem;color:var(--text);max-width:620px;margin:0}

/* ── BREADCRUMB ──────────────────────────────────────────────── */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:0.9rem;color:var(--text);margin-bottom:1.25rem}
.breadcrumb a{color:var(--text);text-decoration:none}
.breadcrumb a:hover{color:var(--accent)}

/* ── POSTS ───────────────────────────────────────────────────── */
.posts-list{display:flex;flex-direction:column;gap:1.5rem}
.post-card{background:var(--bg);border:1.5px solid var(--border);border-radius:8px;padding:2.25rem;transition:all var(--tr)}
.post-card:hover{border-color:var(--accent);box-shadow:0 6px 20px rgba(10,124,86,0.08)}
.post-meta{display:flex;align-items:center;gap:1rem;margin-bottom:0.85rem}
.post-title{font-size:1.25rem;margin-bottom:0.65rem}
.post-title a{color:var(--text);text-decoration:none}
.post-title a:hover{color:var(--accent)}
.post-excerpt{font-size:0.95rem;color:var(--text);margin:0;line-height:1.75}

/* ── CALC ────────────────────────────────────────────────────── */
.calc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:4rem}
.calc-card{background:var(--bg);border:1.5px solid var(--border);border-radius:8px;padding:2rem;transition:all var(--tr)}
.calc-card:not(.calc-card--soon):hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 8px 24px rgba(10,124,86,0.1)}
.calc-card--soon{opacity:0.5;cursor:default}
.calc-card-header{margin-bottom:0.85rem}
.calc-title{font-size:1.1rem;margin-bottom:0.65rem}
.calc-desc{font-size:0.92rem;color:var(--text);margin-bottom:1.4rem;line-height:1.7}
.calc-section{padding-top:3rem;border-top:1px solid var(--border)}
.calc-section-header{margin-bottom:2.5rem}
.calc-placeholder{padding:3rem;border:1.5px dashed var(--border2);border-radius:8px;text-align:center;color:var(--text)}

/* ── O MNIE strona ───────────────────────────────────────────── */
.about-page-grid{display:grid;grid-template-columns:300px 1fr;gap:5rem;align-items:start}
.about-photo-placeholder{width:100%;aspect-ratio:3/4;background:var(--bg2);border:1.5px dashed var(--border2);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem}
.about-photo-placeholder-inner{text-align:center;color:var(--text);padding:2rem}
.about-photo-placeholder-inner p{font-size:0.95rem;margin:0.75rem 0 0.25rem;color:var(--text)}
.about-photo-placeholder-inner span{font-size:0.78rem;color:var(--text)}
.about-photo{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:8px;border:1.5px solid var(--border);margin-bottom:1.25rem}
.contact-card{background:var(--bg);border:1.5px solid var(--border);border-radius:8px;padding:1.4rem 1.6rem}
.contact-row{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:0.95rem;color:var(--text);border-bottom:1px solid var(--border)}
.contact-row:last-child{border-bottom:none}
.contact-row svg{flex-shrink:0;stroke:var(--accent)}
.contact-row a{color:var(--text);text-decoration:none}
.contact-row a:hover{color:var(--accent)}

/* ── TEORIA ──────────────────────────────────────────────────── */
.theory-box{background:var(--bg2);border:1.5px solid var(--border);border-radius:8px;padding:2.75rem}
.theory-box h2{margin-bottom:1rem}
.formula-block{background:var(--bg);border-left:3px solid var(--accent);border-radius:0 var(--r) var(--r) 0;padding:1.1rem 1.6rem;margin:1.4rem 0;font-size:1.1rem;color:var(--text)}
.formula-block p{margin-bottom:0.4rem;color:var(--text)}
.formula-block p:last-child{margin-bottom:0}
.formula-list{list-style:none;padding:0;margin:0.5rem 0 1rem 1rem}
.formula-list li{font-size:0.95rem;color:var(--text);padding:3px 0}
.formula-list li::before{content:'—';margin-right:8px;color:var(--text)}

/* ── EMPTY STATE ─────────────────────────────────────────────── */
.empty-state{padding:4rem 2rem;border:1.5px dashed var(--border2);border-radius:8px;text-align:center;margin-top:3rem}
.empty-state p{color:var(--text);font-size:1.05rem;margin:0}

/* ── Responsive ──────────────────────────────────────────────── */
@media(max-width:768px){
  html{font-size:17px}
  .menu-toggle{display:flex}
  #main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:0.75rem;box-shadow:0 4px 16px rgba(0,0,0,0.08)}
  #main-nav.open{display:block}
  #main-nav ul{flex-direction:column;gap:2px}
  #main-nav ul li a{padding:0.7rem 1rem;font-size:1.05rem}
  .hero-stats{flex-wrap:wrap;gap:1.75rem}
  .about-grid{grid-template-columns:1fr;gap:3rem}
  .section-about::before{display:none}
  .section{padding:4rem 0}
  .about-page-grid{grid-template-columns:1fr;gap:2.5rem}
  .about-photo-placeholder{max-width:280px;margin:0 auto 1.25rem}
}

/* ── Zastrzeżenie pod kalkulatorami (includes/disclaimer.php) ── */
.calc-disclaimer{margin-top:2rem;padding:1.1rem 1.4rem;background:var(--bg2);border:1px solid var(--border);border-left:3px solid var(--muted);border-radius:0 var(--r) var(--r) 0;font-size:0.84rem;line-height:1.7;color:var(--text3)}
.calc-disclaimer strong{color:var(--text2)}
.calc-disclaimer em{font-style:italic}
.calc-disclaimer--warn{background:#fffbf0;border-color:#ecd9a4;border-left-color:#d4a017;color:#5a3e00}
.calc-disclaimer--warn strong{color:#4a3200}