/* ==========================================================================
   Michał Kita — portfolio webdesignera
   Mobile first: style bazowe dla telefonu, potem 768px, 1024px i 1200px.
   Jasny i ciemny motyw sterowany atrybutem data-theme na <html>.
   ========================================================================== */

/* ---------- Tokeny: jasny motyw ---------- */
:root {
  color-scheme: light;
  --bg: #F5F6F8;
  --surface: #FFFFFF;
  --surface-2: #ECEFF4;
  --line: #DCE1E9;
  --ink: #0D1526;
  --muted: #4B5568;          /* 7:1 na tle */
  --primary: #14254A;        /* granat: przyciski */
  --primary-hover: #0B1834;
  --on-primary: #FFFFFF;
  --accent: #1F3F8F;         /* linki i wyróżnienia, 8.9:1 na tle */
  --accent-soft: #E1E8F6;
  --success: #1F7A4D;
  --error: #B42318;
  --error-bg: #FDECEA;
  --focus: #2F6FED;
  --shadow: 0 1px 2px rgb(13 21 38 / 0.05), 0 12px 32px rgb(13 21 38 / 0.08);
  --shadow-lg: 0 24px 60px rgb(13 21 38 / 0.16);
  --frame: #0D1526;
  --hero-glow: rgb(31 63 143 / 0.10);

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "DM Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;

  --text-sm: 0.9375rem;
  --text-base: 1.0625rem;
  --text-lg: 1.1875rem;
  --text-h3: 1.375rem;
  --text-h2: clamp(2rem, 1.3rem + 2.8vw, 3.25rem);
  --text-h1: clamp(2.5rem, 1.4rem + 4.8vw, 5rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 160ms;
  --dur: 280ms;
  --container: 75rem;      /* 1200px przy standardowej czcionce; rośnie razem z nią na dużych ekranach */
  --header-h: 4.5rem;
}

/* ---------- Tokeny: ciemny motyw ---------- */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0A0F1C;
  --surface: #111829;
  --surface-2: #172036;
  --line: #26314B;
  --ink: #E9EDF5;
  --muted: #A6B0C4;
  --primary: #BCCBF3;
  --primary-hover: #D6E0FA;
  --on-primary: #0A1430;
  --accent: #9DB5F5;
  --accent-soft: #1A2647;
  --success: #6FD3A0;
  --error: #FF8A80;
  --error-bg: #3A1B1B;
  --focus: #8FB2FF;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 12px 32px rgb(0 0 0 / 0.35);
  --shadow-lg: 0 24px 60px rgb(0 0 0 / 0.5);
  --frame: #26314B;
  --hero-glow: rgb(110 145 240 / 0.14);
}

/* ---------- Baza ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--dur) ease, color var(--dur) ease;
}

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

h1, h2, h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
h1 { font-size: var(--text-h1); font-variation-settings: "opsz" 96; }
h2 { font-size: var(--text-h2); font-variation-settings: "opsz" 72; }
h3 { font-size: var(--text-h3); font-weight: 650; line-height: 1.2; letter-spacing: -0.015em; }

p { margin: 0 0 var(--space-2); }
p:last-child { margin-bottom: 0; }

a { color: var(--accent); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

ul[role="list"], ol[role="list"] { list-style: none; margin: 0; padding: 0; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--accent); color: var(--bg); }

.icon {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -100px;
  z-index: 100;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--on-primary);
}
.skip-link:focus { top: var(--space-2); }

.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
}

/* ---------- Przyciski ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.375rem;
  border: 1.5px solid transparent;
  border-radius: 999px;
  font: 600 1rem/1.2 var(--font-body);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease,
              border-color var(--dur-fast) ease, transform var(--dur-fast) ease;
}
.btn:active { transform: scale(0.98); }
.btn .icon { transition: transform var(--dur) var(--ease-out); }
.btn:hover .icon-move { transform: translate(2px, -2px); }

.btn-primary { background: var(--primary); color: var(--on-primary); }
.btn-primary:hover { background: var(--primary-hover); color: var(--on-primary); }

.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }

.btn-sm { min-height: 44px; padding: 0.5rem 1rem; font-size: var(--text-sm); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 44px;
  font-weight: 600;
  text-decoration: none;
}
.link-arrow .icon { transition: transform var(--dur) var(--ease-out); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ---------- Nagłówek ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) ease, background-color var(--dur) ease;
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: var(--header-h);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  min-height: 44px;
  margin-right: auto;
  color: var(--ink);
  text-decoration: none;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-name { font: 700 1.25rem/1.15 var(--font-display); letter-spacing: -0.02em; }
.logo-role { font-family: var(--font-mono); font-size: 0.6875rem; color: var(--muted); letter-spacing: 0.04em; }

.theme-toggle,
.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: border-color var(--dur-fast) ease, background-color var(--dur) ease;
}
.theme-toggle:hover, .nav-toggle:hover { border-color: var(--ink); }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.header-cta { display: none; }

/* Menu mobilne */
.main-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  padding: var(--space-2) var(--space-3) var(--space-4);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 16px 32px rgb(13 21 38 / 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility 0s linear var(--dur);
}
.main-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out), visibility 0s;
}
.main-nav ul { list-style: none; margin: 0; padding: 0; }
.main-nav a:not(.btn) {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font: 650 1.5rem/1.2 var(--font-display);
  text-decoration: none;
}
.main-nav a:not(.btn) .mono { color: var(--muted); }
.main-nav a[aria-current]:not(.btn) { color: var(--accent); }
.main-nav .nav-cta { margin-top: var(--space-3); }
.main-nav .nav-cta .btn { width: 100%; }

html:not(.js) .main-nav { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
html:not(.js) .nav-toggle { display: none; }

/* ---------- Sekcje ---------- */
.section { padding-block: var(--space-6); }
.section-alt { background: var(--surface); }

.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}
.section-label::after {
  content: "";
  flex: 0 0 48px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.section-head { max-width: 720px; margin-bottom: var(--space-5); }
.section-intro { color: var(--muted); font-size: var(--text-lg); max-width: 38em; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-5) var(--space-6);
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -20% -10% auto auto;
  width: 900px;
  height: 900px;
  background: radial-gradient(circle at center, var(--hero-glow), transparent 62%);
}
.hero::after {               /* delikatna siatka w tle — nawiązanie do projektowania */
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 70% 30%, #000 10%, transparent 70%);
  opacity: 0.55;
}

.hero-inner { display: grid; gap: var(--space-5); align-items: center; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: var(--space-3);
  padding: 0.375rem 0.875rem 0.375rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: var(--text-sm);
  font-weight: 500;
}
.status-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}
.status-dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--success);
  opacity: 0;
  animation: pulse 2.4s var(--ease-out) infinite;
}
@keyframes pulse { 0% { transform: scale(0.6); opacity: 0.7; } 100% { transform: scale(1.6); opacity: 0; } }

.hero h1 { margin-bottom: var(--space-3); }
.hero h1 .accent { color: var(--accent); }
.hero-lead { max-width: 33em; font-size: var(--text-lg); color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: var(--space-4); }

/* Kompozycja z ramkami urządzeń */
.hero-visual { position: relative; padding: 0 var(--space-3) var(--space-5) 0; }
.hero-visual .browser { transform: rotate(-1.5deg); }
.hero-visual .browser + .browser {
  position: absolute;
  width: 78%;
  right: 0;
  top: 28%;
  transform: rotate(1.5deg);
}
.hero-visual .phone {
  position: absolute;
  left: -2%;
  bottom: 0;
  width: 26%;
  min-width: 96px;
}

/* ---------- Ramki urządzeń ---------- */
.browser {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.browser-bar span { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.browser img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; }

.phone {
  overflow: hidden;
  border: 6px solid var(--frame);
  border-radius: 24px;
  background: var(--frame);
  box-shadow: var(--shadow-lg);
}
.phone img { width: 100%; aspect-ratio: 390 / 844; object-fit: cover; object-position: top; border-radius: 17px; }

/* ---------- Projekty ---------- */
.projects { display: grid; gap: var(--space-7); }

.project { display: grid; gap: var(--space-4); align-items: center; }
.project-media { position: relative; padding: 0 var(--space-4) var(--space-4) 0; }
.project-media .phone { position: absolute; right: 0; bottom: 0; width: 24%; min-width: 92px; }
.project-media a { display: block; border-radius: 12px; }
.project-media .browser { transition: transform 500ms var(--ease-out); }
.project-media a:hover .browser { transform: translateY(-4px); }

.project-num {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.project h3 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); margin-bottom: var(--space-2); }
.project-desc { color: var(--muted); font-size: var(--text-lg); }

ul.highlights { display: grid; gap: 0.5rem; margin: var(--space-3) 0 var(--space-4); }
.highlights li { display: flex; gap: 0.625rem; align-items: flex-start; }
.highlights .icon { margin-top: 0.2em; color: var(--accent); }

.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-3); }
.tag {
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.project-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ---------- Usługi ---------- */
.services { display: grid; gap: var(--space-3); }
.service {
  display: flex;
  flex-direction: column;
  padding: var(--space-4) var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg);
  transition: border-color var(--dur) ease, transform var(--dur) var(--ease-out);
}
.service:hover { border-color: var(--accent); transform: translateY(-3px); }
.service-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-3);
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
}
.service-icon .icon { width: 26px; height: 26px; }
.service > p { color: var(--muted); }
.service ul { display: grid; gap: 0.375rem; margin: var(--space-2) 0 0; padding: var(--space-2) 0 0; border-top: 1px solid var(--line); list-style: none; font-size: var(--text-sm); }
.service li { display: flex; gap: 0.5rem; }
.service li .icon { width: 1.1em; height: 1.1em; margin-top: 0.2em; color: var(--accent); }

/* Hosting i opieka — usługa dodatkowa pod kartami usług */
.care-card {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
  padding: var(--space-4) var(--space-3);
  border: 1px dashed var(--accent);
  border-radius: var(--radius-lg);
  background: var(--bg);
}
.care-intro { display: flex; flex-direction: column; gap: var(--space-2); }
.care-intro .service-icon { margin-bottom: 0; }
.care-intro p:not(.care-label) { color: var(--muted); max-width: 40em; }
.care-label {
  margin-bottom: 0.375rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.care-card h3 { margin-bottom: 0.5rem; }
ul.care-list { display: grid; gap: 0.625rem; margin: 0; padding: 0; list-style: none; align-content: center; }
.care-list li { display: flex; gap: 0.625rem; align-items: flex-start; }
.care-list .icon { margin-top: 0.2em; color: var(--accent); }

.pricing-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--accent-soft);
}
.pricing-note p { margin: 0; max-width: 40em; }

/* ---------- W standardzie ---------- */
.standards { display: grid; gap: var(--space-3) var(--space-4); }
.standard { display: flex; gap: var(--space-2); }
.standard .icon { width: 28px; height: 28px; color: var(--accent); }
.standard h3 { font-size: 1.125rem; margin-bottom: 0.25rem; }
.standard p { color: var(--muted); font-size: var(--text-sm); }

/* ---------- Jak pracuję ---------- */
.steps { display: grid; gap: var(--space-3); counter-reset: step; }
.step {
  position: relative;
  padding: var(--space-3) var(--space-2) var(--space-3) 0;
  border-top: 2px solid var(--ink);
}
.step-num {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.step p { color: var(--muted); }

/* ---------- O mnie ---------- */
.about { display: grid; gap: var(--space-5); align-items: start; }
.about-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--primary);
  color: var(--on-primary);
}
.about-name {
  margin: 0 0 var(--space-4);
  font: 700 clamp(1.5rem, 1.2rem + 1vw, 2rem)/1.1 var(--font-display);
  letter-spacing: -0.02em;
}
.about-monogram {
  display: block;
  margin-bottom: var(--space-2);
  font: 800 clamp(5rem, 3rem + 8vw, 8rem)/0.85 var(--font-display);
  letter-spacing: -0.06em;
}
.about-card dl { display: grid; gap: var(--space-2); margin: 0; }
.about-card dt { font-family: var(--font-mono); font-size: 0.75rem; opacity: 0.75; letter-spacing: 0.04em; }
.about-card dd { margin: 0; font-weight: 500; }
.about-text p { color: var(--muted); font-size: var(--text-lg); max-width: 36em; }
.about-text p:first-of-type { color: var(--ink); }
.skills { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--space-3); }

/* ---------- Kontakt ---------- */
.contact { display: grid; gap: var(--space-5); align-items: start; }
ul.contact-list { display: grid; gap: var(--space-2); margin-top: var(--space-4); }
.contact-list li a,
.contact-list li > div {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 64px;
  padding: 0.75rem var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--ink);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: border-color var(--dur-fast) ease;
}
.contact-list li a:hover { border-color: var(--accent); }
.contact-list .icon-box {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}
.contact-list .label { display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }
.contact-list .value { font-weight: 600; }

.form-card {
  padding: var(--space-4) var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg);
}
.field { margin-bottom: var(--space-3); }
.field label { display: block; margin-bottom: 0.375rem; font-weight: 600; font-size: var(--text-sm); }
.req { color: var(--error); }
.optional { font-weight: 400; color: var(--muted); }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: 0.75rem 0.875rem;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  transition: border-color var(--dur-fast) ease;
}
.field select {
  appearance: none;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237A869C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 20px;
  cursor: pointer;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--muted); }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 1px;
  border-color: var(--focus);
}
.field-hint { margin: 0.375rem 0 0; font-size: 0.875rem; color: var(--muted); }
.field-error { display: none; margin: 0.375rem 0 0; color: var(--error); font-size: 0.875rem; font-weight: 600; }
.field.has-error .field-error { display: block; }
.field.has-error input, .field.has-error textarea { border-color: var(--error); }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  margin-bottom: var(--space-3);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}
.form-status:empty { display: none; }
.form-status.is-error { background: var(--error-bg); color: var(--error); border: 1.5px solid var(--error); }

.privacy { margin-top: var(--space-2); font-size: 0.8125rem; color: var(--muted); }
.privacy summary { cursor: pointer; min-height: 44px; display: inline-flex; align-items: center; font-weight: 600; color: var(--ink); }
.privacy p { margin-top: 0.5rem; }

.spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.is-loading .spinner { display: inline-block; }
.is-loading { cursor: progress; opacity: 0.85; }
@keyframes spin { to { transform: rotate(360deg); } }

.form-success { padding: var(--space-4) var(--space-2); text-align: center; }
.form-success:focus { outline: none; }
.success-icon {
  display: inline-grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-3);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
}
.success-icon .icon { width: 30px; height: 30px; stroke-width: 2.25; }
.form-success p { color: var(--muted); }

/* ---------- Stopka ---------- */
.site-footer { padding-block: var(--space-5) var(--space-4); border-top: 1px solid var(--line); }
.footer-inner { display: grid; gap: var(--space-3); align-items: center; }
.footer-big {
  margin: 0;
  font: 800 clamp(2.25rem, 1.2rem + 5vw, 5rem)/1 var(--font-display);
  letter-spacing: -0.04em;
}
.footer-big a { color: var(--ink); text-decoration: none; }
.footer-big a:hover { color: var(--accent); }
.footer-meta { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-3); justify-content: space-between; align-items: center; color: var(--muted); font-size: var(--text-sm); }
.footer-meta nav ul { display: flex; flex-wrap: wrap; gap: 0 var(--space-2); list-style: none; margin: 0; padding: 0; }
.footer-meta nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); text-decoration: none; }
.footer-meta nav a:hover { color: var(--ink); }

/* ==========================================================================
   Podstrona projektu (case study)
   ========================================================================== */
.case-hero { padding-block: var(--space-5) var(--space-4); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: var(--space-3); font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); }
.breadcrumb { align-items: center; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); }
.breadcrumb a:hover { color: var(--ink); }
.case-hero h1 { font-size: clamp(2.25rem, 1.3rem + 4vw, 4.25rem); max-width: 16ch; }
.case-lead { max-width: 38em; font-size: var(--text-lg); color: var(--muted); }
.concept-note {
  display: inline-flex;
  gap: 0.5rem;
  align-items: flex-start;
  margin-top: var(--space-2);
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  font-size: var(--text-sm);
}
.concept-note .icon { margin-top: 0.15em; color: var(--accent); }

.case-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--line);
}
.case-meta dt { margin-bottom: 0.25rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }
.case-meta dd { margin: 0; font-weight: 500; }

/* Podgląd na żywo */
.preview { padding-bottom: var(--space-6); }
.preview-bar { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; justify-content: space-between; margin-bottom: var(--space-2); }
.device-switch {
  display: inline-flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}
.device-switch button {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  min-height: 44px;
  padding: 0 1rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: 600 var(--text-sm)/1 var(--font-body);
  cursor: pointer;
}
.device-switch button[aria-pressed="true"] { background: var(--primary); color: var(--on-primary); }
.device-switch button:not([aria-pressed="true"]):hover { color: var(--ink); }

.preview-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);   /* ramka nigdy nie rozpycha strony */
  justify-items: center;
  padding: var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 20% 10%, var(--hero-glow), transparent 50%),
    var(--surface-2);
}
.preview-frame {
  position: relative;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border-radius: 10px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.preview-frame iframe {
  display: block;
  border: 0;
  transform-origin: 0 0;
  background: #fff;
}
.preview-stage[data-device="phone"] .preview-frame {
  width: 390px;
  max-width: 100%;
  border: 8px solid var(--frame);
  border-radius: 32px;
}
.preview-note { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--muted); }

.case-section { padding-block: var(--space-5); border-top: 1px solid var(--line); }
.case-grid { display: grid; gap: var(--space-3) var(--space-6); }
.case-grid h2 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); }
.case-body p, .case-body li { color: var(--muted); font-size: var(--text-lg); }
.case-body p strong, .case-body li strong { color: var(--ink); }
.case-body ul { padding-left: 1.25rem; display: grid; gap: 0.5rem; }

.decision-list { display: grid; gap: var(--space-3); list-style: none; padding: 0 !important; }
.decision-list li { padding: var(--space-3); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.decision-list h3 { font-size: 1.125rem; margin-bottom: 0.375rem; }
.decision-list p { font-size: var(--text-base) !important; }

.swatches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-top: var(--space-3); }
.swatch { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.swatch span { display: block; height: 56px; }
.swatch code { display: block; padding: 0.375rem 0.5rem; font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }

.type-sample { margin-top: var(--space-3); padding: var(--space-3); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.type-sample .mono { color: var(--muted); }
.type-name { display: flex; justify-content: space-between; gap: 1rem; margin: 0.5rem 0 0; font: 650 1.25rem/1.3 var(--font-display); }
.type-name span { font: 400 0.8125rem/1.8 var(--font-mono); color: var(--muted); }

.feature-list { display: grid; gap: var(--space-2); list-style: none; padding: 0 !important; }
.feature-list li { display: flex; gap: 0.75rem; align-items: flex-start; }
.feature-list .icon { margin-top: 0.3em; color: var(--accent); }


.next-project {
  display: grid;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--primary);
  color: var(--on-primary);
  text-decoration: none;
  transition: transform var(--dur) var(--ease-out);
}
.next-project:hover { transform: translateY(-3px); }
.next-project .mono { opacity: 0.8; }
.next-project h2 { margin: 0.25rem 0 0; font-size: clamp(1.75rem, 1.2rem + 2vw, 2.75rem); }
.next-project .icon { width: 40px; height: 40px; }

/* ---------- Numer telefonu jako obrazek (ochrona przed botami) ----------
   Dwie wersje: jasny napis dla ciemnego motywu i ciemny dla jasnego. */
.phone-img { display: inline-flex; align-items: center; vertical-align: middle; }
.phone-img img { display: inline-block; width: auto; height: 0.95em; }
.phone-img .only-light { display: none; }
:root[data-theme="light"] .phone-img .only-light { display: inline-block; }
:root[data-theme="light"] .phone-img .only-dark { display: none; }
.contact-list .phone-img img { height: 1em; }

/* ---------- Polityka prywatności ---------- */
.legal-date { margin-top: var(--space-2); font-family: var(--font-mono); font-size: 0.8125rem; color: var(--muted); }
.legal-section { padding-block: var(--space-4) var(--space-7); border-top: 1px solid var(--line); }
.legal > * { max-width: 760px; }   /* wąska kolumna tekstu, wyrównana do lewej jak nagłówek */
.legal h2 { margin: var(--space-5) 0 var(--space-2); font-size: clamp(1.375rem, 1.2rem + 0.8vw, 1.75rem); letter-spacing: -0.015em; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: var(--muted); }
.legal strong { color: var(--ink); }
.legal ul { display: grid; gap: 0.5rem; margin: 0 0 var(--space-2); padding-left: 1.25rem; }
.legal a { overflow-wrap: anywhere; }

/* ---------- Pojawianie się elementów ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
}

/* Bardzo wąskie telefony */
@media (max-width: 359px) {
  .container { padding-inline: var(--space-2); }
  .logo-name { font-size: 1.0625rem; }
}

/* ==========================================================================
   Tablet: od 768px
   ========================================================================== */
@media (min-width: 768px) {
  .container { padding-inline: var(--space-4); }
  .section { padding-block: var(--space-7); }

  .hero { padding-block: var(--space-6) var(--space-7); }
  .services { grid-template-columns: repeat(3, 1fr); }
  .care-intro { flex-direction: row; align-items: flex-start; }
  .care-card { padding: var(--space-4); }
  .standards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .form-card { padding: var(--space-5) var(--space-4); }
  .footer-inner { grid-template-columns: 1fr; }
  .case-meta { grid-template-columns: repeat(4, 1fr); }
  .next-project { grid-template-columns: 1fr auto; padding: var(--space-5); }
  .preview-stage { padding: var(--space-5); }
}

/* ==========================================================================
   Desktop: od 1024px
   ========================================================================== */
@media (min-width: 1024px) {
  :root { --header-h: 5rem; }

  .nav-toggle { display: none; }
  .header-cta { display: inline-flex; margin-left: 0.5rem; }
  .header-inner { gap: var(--space-2); }

  .main-nav,
  .main-nav.is-open {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: none;
    border: 0;
    box-shadow: none;
    transition: none;
  }
  .main-nav ul { display: flex; gap: 0.25rem; }
  .main-nav .nav-cta { display: none; }
  .main-nav a:not(.btn) {
    position: relative;
    min-height: 44px;
    align-items: center;
    padding: 0 0.75rem;
    border: 0;
    font: 500 var(--text-sm)/1.2 var(--font-body);
    color: var(--muted);
    white-space: nowrap;
    transition: color var(--dur-fast) ease;
  }
  .main-nav a:not(.btn) .mono { display: none; }
  .main-nav a:not(.btn):hover { color: var(--ink); }
  .main-nav a:not(.btn)::after {
    content: "";
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.25rem;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform var(--dur) var(--ease-out);
  }
  .main-nav a[aria-current]:not(.btn) { color: var(--ink); }
  .main-nav a[aria-current]:not(.btn)::after { transform: scaleX(1); }

  .hero-inner { grid-template-columns: 1.05fr 0.95fr; gap: var(--space-6); }
  .hero { padding-block: var(--space-7) var(--space-8); }

  .project { grid-template-columns: 1.15fr 0.85fr; gap: var(--space-6); }
  .project:nth-child(even) .project-media { order: 2; }

  .standards { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .care-card { grid-template-columns: 1.2fr 0.8fr; gap: var(--space-5); align-items: center; }
  .about { grid-template-columns: 0.8fr 1.2fr; gap: var(--space-7); }
  .contact { grid-template-columns: 0.9fr 1.1fr; gap: var(--space-6); }

  .case-grid { grid-template-columns: 0.75fr 1.25fr; }
  .case-grid > :first-child { position: sticky; top: calc(var(--header-h) + var(--space-3)); align-self: start; }
}

/* ==========================================================================
   Komputery (od 1024px): cała strona w skali 80% — wygląda tak,
   jakby przeglądarka miała ustawiony zoom 80%. Telefony i tablety bez zmian.
   ========================================================================== */
@media (min-width: 1024px) {
  body { zoom: 0.8; }
}

/* Duże monitory: strona płynnie się powiększa razem z szerokością ekranu.
   Prawie wszystkie rozmiary są w rem, więc wystarczy zwiększyć bazową czcionkę.
   125vw kompensuje skalę 80% powyżej, żeby proporcje były jak przy zoomie przeglądarki. */
@media (min-width: 1152px) {
  html { font-size: clamp(1rem, calc(1rem + (125vw - 1440px) * 0.0065), 1.5rem); }
}