/* ==========================================================================
   Clever Code Craft Studio (C3S) - Apple Aesthetic Design System
   ========================================================================== */

/* Montserrat 700 - tylko dla znacznika logo "C3S" (spójność z faviconem) */
@font-face {
  font-family: "Montserrat";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/montserrat-v12-latin_latin-ext-700.woff2") format("woff2"),
       url("../fonts/montserrat-v12-latin_latin-ext-700.woff") format("woff");
}

:root {
  /* System Fonts */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Colors - Light Mode */
  --bg: #f5f5f7;              /* Apple light gray background */
  --card-bg: #ffffff;         /* Pure white cards */
  --text: #1d1d1f;            /* Dark charcoal text */
  --text-muted: #86868b;      /* Cool gray secondary text */
  --accent: #c57849;          /* Titanium Copper */
  --accent-glow: rgba(197, 120, 73, 0.1);
  --border: rgba(0, 0, 0, 0.08);
  --nav-bg: rgba(245, 245, 247, 0.72);
  --btn-primary-bg: #1d1d1f;
  --btn-primary-text: #ffffff;
  --btn-secondary-bg: rgba(0, 0, 0, 0.04);
  --btn-secondary-text: #1d1d1f;

  /* Animation & Layout Defaults */
  --t-normal: 0.5s cubic-bezier(0.16, 1, 0.3, 1); /* Apple-like physics */
  --t-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-card: 22px;
  --radius-pill: 99px;
  --maxw: 1080px;
}

/* Colors - Dark Mode Override */
:root[data-theme="dark"] {
  --bg: #000000;              /* Pure black background */
  --card-bg: #161617;         /* Very dark gray cards */
  --text: #f5f5f7;            /* Off-white primary text */
  --text-muted: #86868b;      /* Cool gray secondary text */
  --accent: #d38c60;          /* Slightly brighter Titanium Copper */
  --accent-glow: rgba(211, 140, 96, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --nav-bg: rgba(0, 0, 0, 0.72);
  --btn-primary-bg: #f5f5f7;
  --btn-primary-text: #1d1d1f;
  --btn-secondary-bg: rgba(255, 255, 255, 0.06);
  --btn-secondary-text: #f5f5f7;
}

/* Base resets */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.47059;
  letter-spacing: -0.022em;
  transition: background-color var(--t-normal), color var(--t-normal);
  overflow-x: hidden;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--t-fast), opacity var(--t-fast);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Focus Indicator */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ---- STICKY NAVIGATION ---- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background-color var(--t-normal), border-color var(--t-normal);
}

.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px; /* Apple's thin nav standard */
}

.logo {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo .mark {
  background: var(--text);
  color: var(--bg);
  font-family: "Montserrat", var(--font-sans);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 3px 6px;
  border-radius: 5px;
  letter-spacing: 0;
  transition: transform var(--t-normal), background-color var(--t-normal);
}

.logo:hover .mark {
  transform: scale(1.05);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 400;
}

.nav-links a {
  opacity: 0.75;
  letter-spacing: -0.01em;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--accent);
}

.nav-cta {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text) !important;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  opacity: 1 !important;
}

.nav-cta:hover {
  transform: scale(1.02);
}

/* Theme Switcher Button */
.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  opacity: 0.75;
  transition: opacity var(--t-fast), background-color var(--t-fast);
}

.theme-toggle:hover {
  opacity: 1;
  background-color: var(--btn-secondary-bg);
}

.theme-toggle svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform var(--t-normal);
}

/* Hamburger toggle menu */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 12px;
  opacity: 0.75;
  z-index: 101;
}

.nav-toggle span {
  display: block;
  height: 1px;
  width: 100%;
  background-color: var(--text);
  transition: transform var(--t-normal), opacity var(--t-normal);
  transform-origin: left center;
}

/* Mobile Navigation drawer */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-normal);
}

.mobile-nav-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  background: var(--card-bg);
  border-left: 1px solid var(--border);
  z-index: 99;
  padding: 80px 24px 30px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateX(100%);
  transition: transform var(--t-normal);
}

.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav a {
  font-weight: 500;
  font-size: 1.1rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.mobile-nav .nav-cta {
  margin-top: 8px;
  text-align: center;
  border-bottom: none;
}

/* ---- HERO SECTION (Apple Product Launch) ---- */
header {
  position: relative;
  text-align: center;
  padding: 90px 0 100px;
  overflow: hidden;
}

.antigravity-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
}

.hero {
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}

h1 {
  font-weight: 700;
  font-size: clamp(2.4rem, 6.4vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--text);
  max-width: 18ch;
  margin: 0 auto 24px;
}

h1 .accent {
  background: linear-gradient(135deg, var(--accent) 0%, #e49f75 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-weight: 400;
  max-width: 48ch;
  margin: 0 auto 38px;
  color: var(--text-muted);
  line-height: 1.381;
  letter-spacing: -0.011em;
}

.btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  transition: transform var(--t-fast), background-color var(--t-fast), border-color var(--t-fast);
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
}

.btn-primary:hover {
  transform: scale(1.02);
  background-color: var(--text);
}

.btn-ghost {
  background-color: transparent;
  border-color: var(--text);
  color: var(--text);
}

.btn-ghost:hover {
  background-color: var(--btn-secondary-bg);
}

.hero-foot {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 72px;
  flex-wrap: wrap;
}

.hero-foot div {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: left;
}

.hero-foot div span {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
  letter-spacing: -0.02em;
}

/* ---- BENTO GRID & SECTIONS ---- */
section {
  padding: 92px 0;
  position: relative;
  transition: background-color var(--t-normal), border-color var(--t-normal);
}

.sec-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 60ch;
  margin-left: auto;
  margin-right: auto;
}

.sec-label {
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

h2 {
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

h2 + p {
  margin-top: 14px;
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* Bento Grid System */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.bento-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 40px;
  transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.bento-card:hover {
  transform: translateY(-2px);
  border-color: rgba(197, 120, 73, 0.25);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.03);
}

:root[data-theme="dark"] .bento-card:hover {
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

/* Bento card sizing helpers */
.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

/* ---- PHILOSOPHY (Apple Manifesto Style) ---- */
.philo {
  text-align: center;
}

.philo-quote {
  font-weight: 700;
  font-size: clamp(1.7rem, 4.5vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 22ch;
  margin: 0 auto 32px;
}

.philo-quote em {
  font-style: normal;
  background: linear-gradient(135deg, var(--accent) 0%, #e49f75 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.philo-body {
  max-width: 58ch;
  margin: 0 auto;
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.philo-body p {
  margin-bottom: 20px;
}

.philo-body b {
  color: var(--text);
  font-weight: 600;
}

.ccc {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}

.ccc span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background-color: var(--card-bg);
  color: var(--text);
  transition: border-color var(--t-normal);
}

.ccc span b {
  color: var(--accent);
}

/* ---- SERVICES (Bento Layout) ---- */
.seg-ico-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background-color: var(--btn-secondary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--text);
  transition: color var(--t-fast);
}

.seg-ico-box svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.seg-title {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.015em;
}

.seg-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 24px;
}

.seg-eg {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 18px;
  font-size: 0.88rem;
}

.seg-eg b {
  font-size: 0.72rem;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

/* ---- PROCESS (Timeline Bento) ---- */
.step-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  margin-bottom: 24px;
  display: block;
}

.step-card h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ---- CASE STUDY (Apple Product Spotlight) ---- */
.case-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.case-card + .case-card {
  margin-top: 24px;
}

.case-left {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  background-color: var(--btn-secondary-bg);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.case-left h3 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 28px;
}

.case-row {
  margin-bottom: 20px;
}

.case-row:last-child {
  margin-bottom: 0;
}

.case-row b {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 4px;
}

.case-row p {
  font-size: 0.95rem;
  line-height: 1.45;
}

.case-right {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
  position: relative;
}

.case-right::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.case-stat span {
  display: block;
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 2px;
}

.case-stat small {
  font-size: 0.9rem;
  opacity: 0.7;
}

.case-quote {
  font-style: italic;
  font-size: 1rem;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  opacity: 0.9;
  line-height: 1.45;
}

/* ---- PRICING & CONFIGURATOR ---- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.price {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--t-normal), transform var(--t-normal), box-shadow var(--t-normal);
}

.price:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
}

.price .ribbon {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin-bottom: 12px;
  display: block;
}

.price h4 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
}

.price .from {
  margin-bottom: 20px;
}

.price .from b {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.price .from small {
  color: var(--text-muted);
}

.price p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 24px;
}

.price ul {
  list-style: none;
  margin-bottom: 30px;
}

.price li {
  font-size: 0.9rem;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.price li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
}

.price li:first-child {
  border-top: none;
}

.price .btn {
  margin-top: auto;
  justify-content: center;
}

/* Apple Configurator Style */
.calc-wrapper {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 48px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
}

.calc-options {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.calc-group b {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 16px;
}

/* Radio Cards (Air, Pro, Max) */
.calc-radios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.calc-radio {
  position: relative;
  cursor: pointer;
}

.calc-radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.calc-radio-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 12px;
  text-align: center;
  transition: border-color var(--t-fast), background-color var(--t-fast);
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.calc-radio input:checked + .calc-radio-card {
  border-color: var(--accent);
  background-color: var(--accent-glow);
}

.calc-radio-card span {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.calc-radio-card small {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Checkbox Cards */
.calc-checkboxes {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-check {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background-color: transparent;
  transition: border-color var(--t-fast), background-color var(--t-fast);
}

.calc-check:hover {
  background-color: var(--btn-secondary-bg);
}

.calc-check-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.calc-check input {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
}

.calc-check-text {
  display: flex;
  flex-direction: column;
}

.calc-check-text span {
  font-weight: 500;
  font-size: 0.95rem;
}

.calc-check-text small {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.calc-check-price {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
}

.calc-check input:checked + .calc-check-left .calc-check-text span {
  color: var(--accent);
}

/* Result checkout block */
.calc-result {
  background-color: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-radius: 16px;
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.calc-res-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
  margin-bottom: 8px;
  display: block;
}

.calc-price-box {
  margin-bottom: 24px;
}

.calc-price {
  font-weight: 700;
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  letter-spacing: -0.025em;
  color: var(--accent);
  line-height: 1.1;
}

.calc-time {
  font-size: 0.95rem;
  opacity: 0.8;
  margin-bottom: 24px;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.calc-time b {
  color: var(--accent);
}

.calc-result .btn {
  width: 100%;
  justify-content: center;
}

/* ---- TRUST SECTOR (Minimalist Statistics) ---- */
.trust {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.trust-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.trust-stats div {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 30px 24px;
}

.trust-stats span {
  display: block;
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent);
  margin-bottom: 4px;
}

.trust-stats small {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.35;
}

.trust-text p {
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.trust-text b {
  color: var(--text);
  font-weight: 600;
}

/* ---- FAQ ACCORDION ---- */
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
}

.faq summary {
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.015em;
  padding: 22px 40px 22px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  user-select: none;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 20px;
  font-size: 1.4rem;
  color: var(--text-muted);
  transition: transform var(--t-normal);
}

.faq details.is-open summary::after {
  content: "−";
}

.faq-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--t-normal) ease-out, padding var(--t-normal) ease-out;
  padding: 0;
}

.faq details.is-open .faq-content {
  padding: 0 0 24px 0;
}

.faq-content p {
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 72ch;
}

/* ---- FINAL CTA SECTION (Immersive) ---- */
.final {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.final h2 {
  max-width: 16ch;
  margin: 0 auto 16px;
}

.final p {
  max-width: 44ch;
  margin: 0 auto 36px;
  font-size: 1.15rem;
  color: var(--text-muted);
}

.final .btns {
  justify-content: center;
}

/* ---- FOOTER ---- */
footer {
  background-color: var(--bg);
  color: var(--text-muted);
  padding: 56px 0 32px;
  border-top: none;
  font-size: 0.78rem;
  transition: background-color var(--t-normal), color var(--t-normal);
}

.foot-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border);
}

footer .logo {
  color: var(--text);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.foot-cols {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.foot-col b {
  color: var(--text);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 12px;
}

.foot-col a {
  display: block;
  padding: 4px 0;
  color: inherit;
}

.foot-col a:hover {
  color: var(--text);
}

.foot-bot {
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- ANIMATIONS & EFFECTS ---- */
.reveal {
  opacity: 0;
  transform: translateY(22px) scale(0.99);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ---- FOUNDERS / O NAS ---- */
#o-nas {
  scroll-margin-top: 70px;
}

.founders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.founder-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: transform var(--t-normal), box-shadow var(--t-normal), border-color var(--t-normal);
}

.founder-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--accent);
}

[data-theme="dark"] .founder-card:hover {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.founder-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--border);
}

.founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  display: block;
}

.founder-card:hover .founder-photo img {
  transform: scale(1.04);
}

.founder-info {
  padding: 28px 28px 32px;
}

.founder-name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.founder-name-row h3 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  flex: 1;
}

.founder-linkedin {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  padding: 5px;
  border-radius: 7px;
  transition: color var(--t-fast), background-color var(--t-fast);
  flex-shrink: 0;
}

.founder-linkedin:hover {
  color: #0077b5;
  background-color: rgba(0, 119, 181, 0.1);
}

.founder-linkedin svg {
  width: 18px;
  height: 18px;
}

.founder-role {
  display: block;
  color: var(--accent);
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.founder-sites {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.founder-site {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  background: var(--btn-secondary-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.founder-site:hover {
  color: var(--accent);
  border-color: var(--accent);
  background-color: var(--accent-glow);
}

.founder-bio {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.founder-bio p + p {
  margin-top: 10px;
}

/* ---- SCROLL PROGRESS BAR ---- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 9999;
  pointer-events: none;
  transition: width 0.08s linear;
}

/* ---- HERO ENTRANCE ANIMATION ---- */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
    filter: blur(5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
  }
}

.hero-in {
  animation: heroFadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero-in-1 { animation-delay: 0.05s; }
.hero-in-2 { animation-delay: 0.2s; }
.hero-in-3 { animation-delay: 0.35s; }
.hero-in-4 { animation-delay: 0.5s; }
.hero-in-5 { animation-delay: 0.65s; }

/* ---- STAGGERED GRID REVEAL ---- */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(28px) scale(0.985);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.revealed > * { opacity: 1; transform: translateY(0) scale(1); }
.reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.revealed > *:nth-child(2) { transition-delay: 120ms; }
.reveal-stagger.revealed > *:nth-child(3) { transition-delay: 240ms; }
.reveal-stagger.revealed > *:nth-child(4) { transition-delay: 360ms; }
.reveal-stagger.revealed > *:nth-child(5) { transition-delay: 480ms; }

/* ---- NAV SCROLL STATE ---- */
nav.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}
[data-theme="dark"] nav.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.28);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
    animation: none !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
  .hero-in {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }
  .reveal-stagger > * {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ==========================================================================
   MEDIA QUERIES (Responsive Design)
   ========================================================================== */

@media (max-width: 960px) {
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .bento-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .span-4, .span-6, .span-8, .span-12 {
    grid-column: span 12;
  }
  
  .step-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .price-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .calc-radios {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  
  .founders-grid {
    grid-template-columns: 1fr;
  }

  .founder-photo {
    aspect-ratio: 4 / 3;
  }

  .trust {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .theme-toggle {
    margin-right: 8px;
  }

  header {
    padding: 60px 0 70px;
  }
}

@media (max-width: 680px) {
  .case-card {
    grid-template-columns: 1fr;
  }

  .case-right {
    padding: 32px 28px;
    border-top: 1px solid rgba(255,255,255,0.08);
  }

  .case-left {
    padding: 36px 28px;
  }
}

/* ==========================================================================
   PIN GATE OVERLAY (Under Construction Mode)
   ========================================================================== */
.pin-gate {
  position: fixed;
  inset: 0;
  background-color: #0b0f0e; /* space gray-black matching studio theme */
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.pin-gate.unlocked {
  opacity: 0;
  transform: scale(1.05);
  pointer-events: none;
}

.pin-card {
  text-align: center;
  max-width: 380px;
  width: 90%;
  padding: 44px 32px;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
  color: var(--text);
  transition: background-color var(--t-normal), color var(--t-normal), border-color var(--t-normal);
}

.pin-card .logo {
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.1rem;
}

.pin-card h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.pin-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
  line-height: 1.4;
}

.pin-input-container {
  position: relative;
  margin-bottom: 16px;
}

.pin-input-container input {
  width: 160px;
  height: 54px;
  background: var(--btn-secondary-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 1.8rem;
  font-family: var(--font-mono);
  text-align: center;
  letter-spacing: 0.4em;
  padding-left: 0.4em;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.pin-input-container input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.pin-error {
  color: #ff453a;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.2s, transform 0.2s;
}

.pin-error.show {
  opacity: 1;
  transform: translateY(0);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-8px); }
  40%, 80% { transform: translateX(8px); }
}

.pin-card.shake {
  animation: shake 0.35s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

/* ==========================================================================
   BLOG — lista, zajawka na stronie głównej oraz strony wpisów
   ========================================================================== */

/* ---- Zajawka na stronie głównej ---- */
.blog-teaser .sec-head { margin-bottom: 40px; }
.blog-teaser-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.blog-teaser-foot {
  display: flex;
  justify-content: center;
  margin-top: 40px;
}

/* ---- Karta wpisu (wspólna dla zajawki i listy) ---- */
.blog-card {
  text-decoration: none;
  color: inherit;
  gap: 12px;
  cursor: pointer;
}
.blog-card .post-cat { color: var(--accent); }
.blog-card h3 {
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin-top: 4px;
}
.blog-card p {
  color: var(--text-muted);
  font-size: 0.97rem;
  line-height: 1.5;
  flex: 1;
}
.blog-card-meta {
  color: var(--text-muted);
  font-size: 0.7rem;
  margin-top: auto;
  padding-top: 8px;
  opacity: 0.8;
}
.blog-card:hover h3 { color: var(--accent); }

/* ---- Hero listy bloga ---- */
.blog-hero {
  position: relative;
  text-align: center;
  padding: 120px 0 60px;
  overflow: hidden;
}
.blog-hero h1 { max-width: 20ch; }

/* ---- Lista bloga ---- */
.blog-list { padding-top: 32px; }
.blog-pillar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  text-decoration: none;
  color: inherit;
  border-color: var(--accent);
}
.blog-pillar .post-cat { color: var(--accent); }
.blog-pillar-text { flex: 1 1 460px; }
.blog-pillar h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  margin: 8px 0 12px;
}
.blog-pillar p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.55;
  max-width: 60ch;
  margin-bottom: 14px;
}
.blog-pillar-cta { white-space: nowrap; }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* ---- Strona pojedynczego wpisu ---- */
.post { position: relative; z-index: 2; }
.post-head {
  padding-top: 120px;
  padding-bottom: 8px;
  max-width: 760px;
}
.crumbs {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.7rem;
}
.crumbs a:hover { color: var(--accent); }
.crumbs span { opacity: 0.5; margin: 0 4px; }
.post-cat {
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.post-head h1 {
  text-align: left;
  max-width: 100%;
  margin: 0 0 18px;
  font-size: clamp(2rem, 5vw, 3.2rem);
}
.post-dek {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-bottom: 22px;
  max-width: 62ch;
}
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.72rem;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.post-meta span:nth-child(even) { opacity: 0.4; }

/* ---- Prose (treść artykułu) ---- */
.post-body {
  max-width: 760px;
  padding-top: 40px;
  padding-bottom: 24px;
  font-size: 1.12rem;
  line-height: 1.72;
  color: var(--text);
}
.post-body > p { margin-bottom: 1.35em; }
.post-body p.lead {
  font-size: 1.28rem;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 1.5em;
}
.post-body p.lead strong { font-weight: 600; }
.post-body h2 {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  margin: 1.8em 0 0.6em;
  letter-spacing: -0.02em;
  scroll-margin-top: 90px;
}
.post-body h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 1.5em 0 0.5em;
  scroll-margin-top: 90px;
}
.post-body ul,
.post-body ol {
  margin: 0 0 1.35em 1.2em;
  padding-left: 0.6em;
}
.post-body li { margin-bottom: 0.55em; padding-left: 0.2em; }
.post-body li::marker { color: var(--accent); }
.post-body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(197, 120, 73, 0.4);
}
.post-body a:hover { text-decoration-color: var(--accent); }
.post-body strong { font-weight: 600; }
.post-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.4em 0;
}
.post-body blockquote.post-callout {
  border-left: 3px solid var(--accent);
  background: var(--accent-glow);
  padding: 20px 24px;
  border-radius: 0 14px 14px 0;
  margin: 1.8em 0;
  font-size: 1.05rem;
  color: var(--text);
}
/* ---- Blok autora (E-E-A-T) ---- */
.post-author {
  max-width: 760px;
  display: flex;
  align-items: flex-start;
  gap: 22px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 30px;
  margin-top: 24px;
}
.post-author-img {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
.post-author-body { font-size: 0.96rem; line-height: 1.6; color: var(--text-muted); }
.post-author-label {
  color: var(--accent);
  font-size: 0.65rem;
  display: block;
  margin-bottom: 4px;
}
.post-author-body strong {
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 700;
  display: block;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.post-author-body p { margin: 0 0 12px; }
.post-author-links { display: flex; gap: 18px; }
.post-author-links a {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.post-author-links a:hover { opacity: 0.7; }
@media (max-width: 560px) {
  .post-author { flex-direction: column; gap: 16px; }
}

/* ---- Powiązane wpisy ---- */
.post-related {
  max-width: 760px;
  padding-top: 24px;
  padding-bottom: 24px;
}
.post-related h2 {
  font-size: 1.3rem;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.related-list { list-style: none; display: grid; gap: 10px; }
.related-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  transition: border-color var(--t-fast), transform var(--t-fast);
}
.related-list a:hover {
  border-color: rgba(197, 120, 73, 0.35);
  transform: translateY(-1px);
}
.related-list span { font-weight: 600; font-size: 0.98rem; }
.related-list small {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* ---- CTA na końcu wpisu ---- */
.post-cta {
  text-align: center;
  max-width: 760px;
  margin: 24px auto 0;
  padding: 64px 40px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}
.post-cta h2 { margin: 12px 0 12px; }
.post-cta p { color: var(--text-muted); margin-bottom: 28px; }
.post-cta .btns { margin-top: 0; }

/* ---- Responsywność bloga ---- */
@media (max-width: 860px) {
  .blog-teaser-grid,
  .blog-grid { grid-template-columns: 1fr; }
  .blog-pillar { flex-direction: column; align-items: flex-start; }
  .blog-pillar-cta { width: 100%; text-align: center; }
}
@media (max-width: 560px) {
  .post-head { padding-top: 96px; }
  .post-cta { padding: 44px 24px; }
}

/* ---- Przełącznik języka (PL/EN) ---- */
.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.lang-switch:hover { color: var(--accent); border-color: var(--accent); }
.mobile-nav .lang-switch { align-self: flex-start; margin-top: 8px; }