/* ============================================
   Nowoczesne Domy — design tokens
   ============================================ */
:root{
  --paper: #F3EEE4;
  --paper-2: #EAE1CE;
  --paper-3: #E4D9C2;
  --ink: #201D18;
  --ink-soft: #55503F;
  --ink-faint: #8B8471;
  --clay: #C1602E;
  --clay-dark: #9C4A22;
  --clay-light: #E4A579;
  --line: rgba(32,29,24,0.14);
  --line-light: rgba(243,238,228,0.18);

  --font-display: 'Fraunces', serif;
  --font-body: 'Archivo', sans-serif;

  --container: 1240px;
  --radius: 2px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img,svg{ display:block; max-width:100%; }
a{ color: inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
h1,h2,h3,p,dl,figure,blockquote{ margin:0; }
button{ font-family: inherit; cursor:pointer; }
em{ font-style: italic; }

/* subtle paper grain overlay for warmth/depth */
.grain{
  position: fixed; inset:0; z-index: 999; pointer-events:none;
  opacity: 0.045; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.eyebrow{
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay-dark);
  font-weight: 600;
  margin: 0 0 18px;
}
.eyebrow-light{ color: var(--clay-light); }

.section-title{
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(32px, 4.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.section-title-light{ color: var(--paper); }
.section-lead{
  max-width: 560px;
  margin-top: 20px;
  font-size: 17px;
  color: var(--ink-soft);
}
.section-lead-light{ color: rgba(243,238,228,0.72); }

/* ============================================
   Buttons
   ============================================ */
.btn{
  display: inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 15px 30px;
  font-size: 14.5px; font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), background-color .25s ease, border-color .25s ease, color .25s ease;
}
.btn-ink{ background: var(--ink); color: var(--paper); }
.btn-ink:hover{ background: var(--clay); transform: translateY(-2px); }
.btn-ghost{ border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.btn-clay{ background: var(--clay); color: var(--paper); }
.btn-clay:hover{ background: var(--clay-dark); transform: translateY(-2px); }
.btn-small{ padding: 11px 22px; font-size: 13px; }
.btn-full{ width: 100%; }

/* ============================================
   Nav
   ============================================ */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  background: rgba(243,238,228,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, background-color .3s ease;
}
.nav.is-scrolled{ border-bottom-color: var(--line); }
.nav-inner{
  max-width: var(--container); margin: 0 auto; padding: 20px 32px;
  display:flex; align-items:center; justify-content:space-between; gap: 24px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width: 30px; height:30px; color: var(--clay); flex-shrink:0; }
.brand-mark svg{ width:100%; height:100%; }
.brand-text{
  font-family: var(--font-display);
  font-size: 20px; font-weight: 500; letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-text em{ color: var(--clay); font-style: italic; }

.nav-links{ display:flex; gap: 34px; }
.nav-links a{
  font-size: 14px; font-weight: 500; color: var(--ink-soft);
  position: relative; padding-bottom: 3px;
  transition: color .2s ease;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:0; width:0; height:1px;
  background: var(--clay); transition: width .3s ease;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links a:hover::after{ width:100%; }

.nav-cta{ flex-shrink:0; }
.nav-burger{ display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px; }
.nav-burger span{ width:22px; height:2px; background: var(--ink); transition: transform .25s ease, opacity .25s ease; }

.nav-mobile{
  display:none; flex-direction: column; gap: 4px;
  padding: 0 32px 24px; background: var(--paper);
}
.nav-mobile a{ padding: 12px 0; font-size: 15px; border-bottom: 1px solid var(--line); }
.nav-mobile .btn{ margin-top: 12px; }

/* ============================================
   Hero — architect's concept board
   ============================================ */
.hero{
  max-width: var(--container); margin: 0 auto;
  padding: 160px 32px 130px;
}
.hero-head{ position: relative; }
.hero-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(52px, 8.4vw, 122px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 10px 0 0;
}
.hero-title .line{ display:block; overflow:hidden; }
.hero-title .line-2{ margin-left: 0.9em; }
.hero-title .line-3{ margin-left: 1.8em; }
.hero-title em{ color: var(--clay); font-style: italic; font-weight: 400; }

/* architectural scale ruler */
.hero-ruler{
  margin-top: 44px; height: 10px;
  border-top: 1px solid var(--ink);
  background:
    repeating-linear-gradient(90deg,
      var(--line) 0 1px, transparent 1px 24px) top/100% 6px no-repeat,
    repeating-linear-gradient(90deg,
      var(--ink) 0 1px, transparent 1px 120px) top/100% 10px no-repeat;
}
.hero-meta{
  display:flex; justify-content: space-between; gap: 20px;
  margin-top: 10px;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-faint);
}
.hero-meta span:nth-child(2){ text-align:center; }
.hero-meta span:last-child{ text-align:right; }

/* the stage: full-bleed photo with drawn annotations */
.hero-stage{
  position: relative;
  margin-top: 56px;
  height: clamp(420px, 74vh, 720px);
}
.hero-photo{
  width: 100%; height: 100%; object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 40px 90px -40px rgba(32,29,24,0.45);
}
.hero-tag{
  position: absolute; top: 22px; left: 22px;
  padding: 10px 16px;
  background: rgba(32,29,24,0.82); color: var(--paper);
  backdrop-filter: blur(4px);
  font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: var(--radius);
}
.hero-tag em{
  font-family: var(--font-display); font-style: italic; font-weight: 400;
  text-transform: none; letter-spacing: 0.01em; font-size: 14px;
  color: var(--clay-light);
}

/* annotation leader lines (draw themselves in) */
.hero-anno-lines{
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; overflow: visible;
}
.anno-line{
  fill: none; stroke: var(--paper); stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1; stroke-dashoffset: 1;
  filter: drop-shadow(0 1px 2px rgba(32,29,24,0.5));
}
.hero-stage.is-visible .anno-line{
  transition: stroke-dashoffset .9s cubic-bezier(.4,0,.2,1);
  stroke-dashoffset: 0;
}
.hero-stage.is-visible .anno-line:nth-child(1){ transition-delay: .55s; }
.hero-stage.is-visible .anno-line:nth-child(2){ transition-delay: .75s; }
.hero-stage.is-visible .anno-line:nth-child(3){ transition-delay: .95s; }

.anno-dot{
  position: absolute; width: 9px; height: 9px; margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--clay); box-shadow: 0 0 0 3px rgba(243,238,228,0.85);
  transform: scale(0); transition: transform .4s cubic-bezier(.3,1.4,.4,1);
}
.hero-stage.is-visible .anno-dot{ transform: scale(1); }
.hero-stage.is-visible .anno-dot:nth-of-type(2){ transition-delay: .5s; }
.hero-stage.is-visible .anno-dot:nth-of-type(3){ transition-delay: .7s; }
.hero-stage.is-visible .anno-dot:nth-of-type(4){ transition-delay: .9s; }

.anno-label{
  position: absolute; transform: translate(-50%, -50%);
  padding: 8px 13px; white-space: nowrap;
  background: rgba(243,238,228,0.93);
  border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 11.5px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink);
  opacity: 0; transition: opacity .5s ease;
}
.hero-stage.is-visible .anno-label{ opacity: 1; }
.hero-stage.is-visible .anno-label:nth-of-type(5){ transition-delay: 1.2s; }
.hero-stage.is-visible .anno-label:nth-of-type(6){ transition-delay: 1.35s; }
.hero-stage.is-visible .anno-label:nth-of-type(7){ transition-delay: 1.5s; }

/* CTA card overlapping the photo */
.hero-card{
  position: absolute; right: 28px; bottom: -56px;
  width: min(400px, calc(100% - 56px));
  padding: 32px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 30px 60px -30px rgba(32,29,24,0.4);
}
.hero-lead{ font-size: 16.5px; color: var(--ink-soft); }
.hero-actions{ display:flex; gap:12px; margin-top: 24px; flex-wrap: wrap; }

/* ============================================
   Stats strip
   ============================================ */
.stats{ background: var(--ink); color: var(--paper); }
.stats-inner{
  max-width: var(--container); margin:0 auto; padding: 54px 32px;
  display:grid; grid-template-columns: repeat(4,1fr); gap: 32px;
}
.stat{ display:flex; flex-direction: column; }
.stat-num{
  font-family: var(--font-display); font-size: clamp(34px,4vw,48px);
  font-weight: 500; color: var(--clay-light); line-height:1;
}
.stat-suffix{
  font-family: var(--font-display); font-size: clamp(34px,4vw,48px);
  font-weight: 500; color: var(--clay-light); line-height:1;
}
.stat-label{
  margin-top: 10px; font-size: 13.5px; color: rgba(243,238,228,0.62);
  letter-spacing: 0.01em;
}

/* ============================================
   Sections (generic)
   ============================================ */
.section{ max-width: var(--container); margin: 0 auto; padding: 120px 32px; }
.section-dark{ max-width: none; background: var(--ink); color: var(--paper); }
.section-dark > *{ max-width: var(--container); margin-left:auto; margin-right:auto; }
.section-head{ margin-bottom: 64px; }

/* ============================================
   Feature grid (budowa na działce klienta)
   ============================================ */
.feature-grid{
  display:grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: var(--line); border: 1px solid var(--line);
}
.feature-card{
  background: var(--paper); padding: 48px 40px;
  transition: background-color .3s ease;
}
.feature-card:hover{ background: var(--paper-2); }
.feature-icon{
  display:block; width: 46px; height: 46px; color: var(--clay); margin-bottom: 26px;
}
.feature-icon svg{ width:100%; height:100%; }
.feature-card h3{
  font-family: var(--font-display); font-weight: 500; font-size: 22px;
  letter-spacing: -0.01em; margin-bottom: 12px;
}
.feature-card p{ font-size: 15px; color: var(--ink-soft); }

/* ============================================
   Process
   ============================================ */
.process{ display:flex; flex-direction: column; margin-top: 12px; }
.process-step{
  display:grid; grid-template-columns: 100px 1fr; gap: 24px;
  padding: 34px 0; border-top: 1px solid var(--line-light);
}
.process-step:last-child{ border-bottom: 1px solid var(--line-light); }
.process-num{
  font-family: var(--font-display); font-style: italic; font-size: 28px;
  color: var(--clay-light);
}
.process-step h3{
  font-family: var(--font-display); font-weight: 500; font-size: 23px; margin-bottom: 8px;
}
.process-step p{ color: rgba(243,238,228,0.68); max-width: 560px; font-size: 15px; }

/* ============================================
   Testimonials
   ============================================ */
.testimonials{ display:grid; grid-template-columns: repeat(3,1fr); gap: 40px; }
.testimonial{
  padding-top: 26px; border-top: 2px solid var(--ink);
}
.testimonial blockquote{
  font-family: var(--font-display); font-size: 19px; font-style: italic;
  line-height: 1.4; color: var(--ink);
}
.testimonial figcaption{ margin-top: 22px; font-size: 13.5px; font-weight: 600; }
.testimonial figcaption span{ display:block; font-weight: 400; color: var(--ink-faint); margin-top:2px; }

/* ============================================
   About
   ============================================ */
.about-grid{ display:grid; grid-template-columns: 1.3fr 0.9fr; gap: 70px; align-items:start; }
.about-text p{ margin-top: 20px; color: var(--ink-soft); font-size: 15.5px; max-width: 540px; }
.about-text .section-lead{ margin-top:20px; }
.about-badges{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 28px; }
.about-badges span{
  font-size: 12.5px; font-weight: 600; padding: 9px 16px;
  border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft);
}
.about-card{
  background: var(--ink); color: var(--paper); padding: 40px;
}
.about-card-label{ font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--clay-light); margin-bottom: 26px; }
.about-card dl div{ padding: 16px 0; border-top: 1px solid var(--line-light); display:flex; justify-content:space-between; gap: 20px; }
.about-card dt{ font-size: 13px; color: rgba(243,238,228,0.55); }
.about-card dd{ margin:0; font-size: 14.5px; text-align:right; font-weight: 500; }

/* ============================================
   FAQ
   ============================================ */
.faq-list{ max-width: 760px; }
.faq-item{ border-top: 1px solid var(--line); }
.faq-item:last-child{ border-bottom: 1px solid var(--line); }
.faq-q{
  width: 100%; display:flex; justify-content:space-between; align-items:center; gap: 20px;
  background:none; border:none; padding: 24px 0; text-align:left;
  font-family: var(--font-body); font-size: 16.5px; font-weight: 500; color: var(--ink);
}
.faq-icon{
  flex-shrink:0; width: 26px; height: 26px; border: 1px solid var(--line);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  font-size: 15px; color: var(--clay); transition: transform .3s ease;
}
.faq-item.is-open .faq-icon{ transform: rotate(45deg); background: var(--ink); color: var(--paper); border-color: var(--ink); }
.faq-a{
  max-height:0; overflow:hidden; transition: max-height .35s ease;
}
.faq-a p{ padding: 0 0 24px; max-width: 600px; color: var(--ink-soft); font-size: 15px; }

/* ============================================
   Contact
   ============================================ */
.contact-grid{ display:grid; grid-template-columns: 0.85fr 1.15fr; gap: 70px; }
.contact-details{ margin-top: 44px; display:flex; flex-direction:column; gap: 24px; }
.contact-details div{ padding-top: 18px; border-top: 1px solid var(--line-light); }
.contact-details span{ display:block; font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--clay-light); margin-bottom: 6px; }
.contact-details a, .contact-details p{ font-size: 18px; font-family: var(--font-display); font-style: italic; margin:0; color: var(--paper); }
.contact-details a:hover{ color: var(--clay-light); }

.contact-form{ background: var(--paper); padding: 44px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.contact-form label{ display:flex; flex-direction:column; gap:8px; margin-bottom: 18px; }
.contact-form label span{ font-size: 12.5px; font-weight: 600; letter-spacing:0.03em; color: var(--ink-soft); }
.contact-form input, .contact-form select, .contact-form textarea{
  border: 1px solid var(--line); background: var(--paper);
  padding: 13px 14px; font-family: var(--font-body); font-size: 14.5px; color: var(--ink);
  border-radius: var(--radius); resize: vertical;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus{
  outline:none; border-color: var(--clay);
}
.form-note{ margin-top: 14px; font-size: 13.5px; color: var(--clay-dark); font-weight: 600; min-height: 1em; }

/* ============================================
   Legal pages (polityka prywatności, regulamin)
   ============================================ */
.legal{
  max-width: 760px; margin: 0 auto;
  padding: 160px 32px 120px;
}
.legal-back{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 13.5px; font-weight: 600; color: var(--ink-soft);
  margin-bottom: 28px;
}
.legal-back:hover{ color: var(--clay-dark); }
.legal-updated{
  margin-top: 18px; font-size: 13.5px; color: var(--ink-faint);
}
.legal-body{ margin-top: 56px; }
.legal-body h2{
  font-family: var(--font-display); font-weight: 500; font-size: 25px;
  letter-spacing: -0.01em; margin-top: 48px; margin-bottom: 16px;
}
.legal-body h2:first-child{ margin-top: 0; }
.legal-body p{ color: var(--ink-soft); font-size: 15.5px; margin-bottom: 14px; }
.legal-body ol, .legal-body ul{
  margin: 4px 0 18px; padding-left: 22px; color: var(--ink-soft); font-size: 15.5px;
}
.legal-body ol{ list-style: decimal; }
.legal-body ul{ list-style: disc; }
.legal-body li{ margin-bottom: 8px; }
.legal-body li::marker{ color: var(--clay-dark); }
.legal-body strong{ color: var(--ink); font-weight: 600; }

/* ============================================
   Footer
   ============================================ */
.footer{ background: var(--ink); color: var(--paper); }
.footer-inner{
  max-width: var(--container); margin:0 auto; padding: 90px 32px 60px;
  display:grid; grid-template-columns: 1fr 1.6fr; gap: 60px;
}
.footer-brand .brand-text{ color: var(--paper); font-size: 24px; }
.footer-brand p{ margin-top: 18px; color: rgba(243,238,228,0.55); font-size: 14px; max-width: 320px; }
.footer-cols{ display:grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.footer-head{ font-size: 12px; letter-spacing:0.1em; text-transform:uppercase; color: var(--clay-light); margin-bottom: 18px; }
.footer-cols a, .footer-cols span{ display:block; font-size: 14px; color: rgba(243,238,228,0.68); padding: 6px 0; }
.footer-cols a:hover{ color: var(--paper); }
.footer-bottom{
  border-top: 1px solid var(--line-light); padding: 26px 32px;
  max-width: var(--container); margin: 0 auto;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap: 10px;
  font-size: 12.5px; color: rgba(243,238,228,0.45);
}
.footer-bottom a:hover{ color: var(--paper); }

/* ============================================
   Scroll reveal
   ============================================ */
.reveal{ opacity:0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible{ opacity:1; transform:none; }

/* stagger hero lines */
.hero-title .line{ transition-delay: calc(var(--i, 0) * 90ms); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 980px){
  .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .nav-burger{ display:flex; }
  .nav-mobile.is-open{ display:flex; }

  .hero{ padding-top: 140px; padding-bottom: 80px; }
  .hero-stage{ height: clamp(340px, 52vh, 520px); }
  .hero-anno-lines, .anno-dot, .anno-label{ display: none; }
  .hero-card{
    position: static; width: 100%; margin-top: 18px;
    box-shadow: none; padding: 26px 24px;
  }

  .stats-inner{ grid-template-columns: repeat(2,1fr); }
  .feature-grid{ grid-template-columns: 1fr; }
  .about-grid, .contact-grid{ grid-template-columns: 1fr; }
  .testimonials{ grid-template-columns: 1fr; gap: 44px; }
  .footer-inner{ grid-template-columns: 1fr; }
  .footer-cols{ grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 620px){
  .section{ padding: 80px 22px; }
  .nav-inner{ padding: 16px 22px; }
  .hero{ padding: 120px 22px 60px; }
  .hero-title{ font-size: clamp(36px, 12vw, 50px); }
  .hero-title .line-2{ margin-left: 0.45em; }
  .hero-title .line-3{ margin-left: 0.9em; }
  .hero-meta{ flex-direction: column; gap: 6px; }
  .hero-meta span:nth-child(2), .hero-meta span:last-child{ text-align: left; }
  .hero-stage{ margin-top: 36px; }
  .hero-tag{ top: 12px; left: 12px; padding: 8px 12px; }
  .form-row{ grid-template-columns: 1fr; }
  .footer-cols{ grid-template-columns: 1fr; gap: 26px; }
  .process-step{ grid-template-columns: 50px 1fr; }
  .contact-form{ padding: 28px; }
  .about-card{ padding: 28px; }
  .feature-card{ padding: 32px 26px; }
}