/* =========================================================
   INTOP GDYNIA — Stylesheet
   Palette: deep marine ink, steel blue, concrete, harbor orange
   Type: Barlow Condensed (display) / Source Sans 3 (body)
========================================================= */

:root {
  --c-ink: #0F1B2B;        /* deep marine navy - header/footer/headlines */
  --c-steel: #2B5876;      /* steel blue - secondary accents, links */
  --c-accent: #D9732B;     /* harbor orange - CTAs, highlights */
  --c-accent-soft: #E9B08A;
  --c-concrete: #62707C;   /* muted grey - body copy on light */
  --c-bg: #F6F5F1;         /* warm off-white background */
  --c-panel: #FFFFFF;      /* card / panel surface */
  --c-tint: #EEEEE7;       /* section tint background */
  --c-line: #D8D6CC;       /* hairline borders */

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;

  --radius-sm: 2px;
  --container: 1160px;
  --transition: 180ms ease;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.5em;
  color: var(--c-ink);
  letter-spacing: 0.2px;
}
p { margin: 0 0 1em; color: var(--c-concrete); max-width: 62ch; }
button { font-family: inherit; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.97rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--c-accent);
  color: #fff;
}
.btn-primary:hover { background: #c1611c; }
.btn-ghost {
  background: transparent;
  border-color: var(--c-ink);
  color: var(--c-ink);
}
.btn-ghost:hover { background: var(--c-ink); color: #fff; }
.btn-small { padding: 9px 18px; font-size: 0.88rem; }
.btn-full { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 245, 241, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.is-scrolled {
  border-bottom-color: var(--c-line);
  box-shadow: 0 4px 16px rgba(15, 27, 43, 0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ink);
}
.brand-mark { color: var(--c-accent); display: flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: 0.5px;
}
.brand-sub { font-size: 0.72rem; color: var(--c-concrete); letter-spacing: 0.5px; }

.main-nav ul { display: flex; gap: 30px; }
.nav-link {
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--c-ink);
  position: relative;
  padding: 6px 0;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 2px;
  background: var(--c-accent);
  transition: width var(--transition);
}
.nav-link:hover::after,
.nav-link.is-active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--c-ink);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
  padding: 76px 28px 64px;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-steel);
  letter-spacing: 0.3px;
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  max-width: 15ch;
  margin-bottom: 0.4em;
  opacity: 0;
  transform: translateY(14px);
  animation: heroIn 700ms ease forwards;
}
.hero-lede {
  font-size: 1.08rem;
  max-width: 46ch;
  opacity: 0;
  transform: translateY(14px);
  animation: heroIn 700ms ease 120ms forwards;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(14px);
  animation: heroIn 700ms ease 220ms forwards;
}
@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}
.hero-art { width: 100%; }
.hero-svg { width: 100%; height: auto; }

.stat-strip {
  border-top: 1px solid var(--c-line);
  background: var(--c-panel);
}
.stat-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.stat {
  padding: 26px 28px;
  border-left: 1px solid var(--c-line);
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.stat:first-child { border-left: none; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.86rem;
  color: var(--c-concrete);
  max-width: 16ch;
}

/* ---------- Sections (shared) ---------- */
.section { padding: 88px 0; }
.section-tint { background: var(--c-tint); }
.section-kicker {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-steel);
  margin-bottom: 10px;
}
.section-title { font-size: clamp(1.7rem, 3vw, 2.3rem); max-width: 20ch; }
.section-intro { max-width: 58ch; font-size: 1.05rem; margin-bottom: 44px; }

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: start;
}
.about-copy h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); max-width: 18ch; }
.about-facts {
  margin-top: 28px;
  border-top: 1px solid var(--c-line);
}
.about-facts li {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 0.95rem;
}
.fact-label { color: var(--c-concrete); }
.fact-value { color: var(--c-ink); font-weight: 600; text-align: right; }
.about-panel { align-self: stretch; }
.about-svg { width: 100%; height: auto; }
.svg-label {
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 1px;
  fill: var(--c-steel);
  font-weight: 600;
}
.svg-label-lg {
  font-family: var(--font-display);
  font-size: 15px;
  fill: var(--c-ink);
  font-weight: 600;
}

/* ---------- Services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}
.service-card {
  background: var(--c-panel);
  padding: 34px 28px;
  transition: background var(--transition);
}
.service-card:hover { background: #fbfaf7; }
.service-icon {
  display: inline-flex;
  color: var(--c-accent);
  margin-bottom: 18px;
}
.service-icon svg { width: 34px; height: 34px; }
.service-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.service-card p { font-size: 0.96rem; margin-bottom: 0; }

/* ---------- Why Us ---------- */
.why-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}
.why-copy h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); max-width: 16ch; }
.benefit-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px 36px;
}
.benefit-list li { display: flex; gap: 14px; align-items: flex-start; }
.benefit-icon {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--c-ink);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.benefit-icon svg { width: 14px; height: 14px; }
.benefit-list h3 { font-size: 1.02rem; margin-bottom: 4px; }
.benefit-list p { font-size: 0.92rem; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}
.contact-info h2 { font-size: clamp(1.7rem, 3vw, 2.2rem); max-width: 16ch; }
.contact-details { margin-top: 30px; }
.contact-details div {
  padding: 14px 0;
  border-top: 1px solid var(--c-line);
}
.contact-details div:last-child { border-bottom: 1px solid var(--c-line); }
.contact-details dt {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--c-steel);
  margin-bottom: 4px;
}
.contact-details dd {
  margin: 0;
  font-weight: 600;
  color: var(--c-ink);
}
.contact-details a:hover { color: var(--c-accent); }

.contact-form {
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  padding: 36px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-field { margin-bottom: 20px; display: flex; flex-direction: column; }
.form-field label {
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--c-ink);
}
.optional { font-weight: 400; color: var(--c-concrete); }
.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 11px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--c-ink);
  transition: border-color var(--transition);
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--c-steel);
  outline: none;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field.has-error input,
.form-field.has-error select,
.form-field.has-error textarea {
  border-color: #B4432A;
}
.form-error {
  font-size: 0.8rem;
  color: #B4432A;
  min-height: 1.1em;
  margin-top: 4px;
}
.form-status {
  margin: 14px 0 0;
  font-size: 0.92rem;
  font-weight: 600;
}
.form-status.success { color: #2F6B3E; }
.form-status.error { color: #B4432A; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-ink);
  color: #C9D1D9;
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 50px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { display: flex; gap: 12px; }
.footer-brand .brand-mark { color: var(--c-accent); }
.footer-name { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: #fff; margin: 0 0 4px; }
.footer-tagline { font-size: 0.86rem; color: #97A2AC; margin: 0; max-width: 32ch; }

.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-nav h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 14px;
}
.footer-nav li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-nav a { color: #C9D1D9; transition: color var(--transition); }
.footer-nav a:hover { color: var(--c-accent-soft); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 22px 28px 28px;
  font-size: 0.82rem;
  color: #7C8890;
}
.footer-bottom p { margin: 0; color: inherit; }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  color: var(--c-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(15,27,43,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition), color var(--transition);
  z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--c-ink); color: #fff; }

/* =========================================================
   Responsive
========================================================= */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-art { order: -1; max-width: 420px; margin: 0 auto; }
  .about-grid,
  .why-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .about-panel { max-width: 420px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-list { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0; right: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.is-open { max-height: 400px; }
  .main-nav ul { flex-direction: column; gap: 0; padding: 8px 28px 18px; }
  .main-nav li { border-bottom: 1px solid var(--c-line); }
  .main-nav .nav-link { display: block; padding: 14px 0; }
  .nav-toggle { display: flex; }
  .header-actions .btn-small { display: none; }

  .stat-strip-inner { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--c-line); }
  .stat:first-child { border-top: none; }

  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 26px 22px; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .section { padding: 64px 0; }
}