/* Kontakt — RKSYS (podstrona) */

:root {
  --bg: #0a0e12;
  --bg-elevated: #131920;
  --bg-card: #161d26;
  --border: #252d38;
  --border-light: #2f3a47;
  --text: #f2f4f8;
  --text-secondary: #a8b2bd;
  --text-muted: #6b7683;
  --accent: #22a8e0;
  --accent-hover: #4bb8eb;
  --accent-soft: rgba(34, 168, 224, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.loading .page-wrap {
  opacity: 0;
  transform: translateY(16px);
  transition: none;
}

body.loaded .page-wrap {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

body.loaded .page-header {
  animation: fadeUp 0.7s var(--ease) 0.1s both;
}

body.loaded .cta-block {
  animation: fadeUp 0.7s var(--ease) 0.2s both;
}

body.loaded .contact-form {
  animation: fadeUp 0.7s var(--ease) 0.25s both;
}

body.loaded .content {
  animation: fadeUp 0.7s var(--ease) 0.3s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== LOADER ========== */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader.hidden .page-loader-inner {
  transform: scale(0.96);
  opacity: 0;
}

.page-loader-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 168, 224, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 168, 224, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  animation: loaderGridPulse 2s ease-in-out infinite;
}

@keyframes loaderGridPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.page-loader-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  transition: transform 0.5s var(--ease), opacity 0.5s var(--ease);
}

.page-loader-logo {
  font-family: 'DM Sans Mono', monospace;
  font-size: clamp(2rem, 8vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text);
  margin-bottom: 2rem;
}

.page-loader-logo span {
  color: var(--accent);
  display: inline-block;
  animation: loaderLogoShine 1.8s ease-in-out infinite;
}

@keyframes loaderLogoShine {
  0%, 100% { opacity: 1; filter: drop-shadow(0 0 20px rgba(34, 168, 224, 0.4)); }
  50% { opacity: 0.85; filter: drop-shadow(0 0 40px rgba(34, 168, 224, 0.8)); }
}

.page-loader-bar {
  width: 200px;
  height: 3px;
  background: var(--border);
  border-radius: 999px;
  margin: 0 auto 1.25rem;
  overflow: hidden;
}

.page-loader-fill {
  display: block;
  height: 100%;
  width: 40%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  border-radius: 999px;
  animation: loaderBarRun 1.2s ease-in-out infinite;
}

@keyframes loaderBarRun {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

.page-loader-text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  animation: loaderTextBlink 1s ease-in-out infinite;
}

@keyframes loaderTextBlink {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 18, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.nav-logo {
  font-family: 'DM Sans Mono', monospace;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.08em;
  text-decoration: none;
}

.nav-logo span {
  color: var(--accent);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.2s, background 0.2s var(--ease);
}

.nav-links a:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.nav-cta {
  padding: 0.5rem 1.125rem !important;
  background: linear-gradient(135deg, var(--accent) 0%, #1a8fc4 100%);
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(34, 168, 224, 0.3);
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--accent-hover) 0%, var(--accent) 100%) !important;
  color: #fff !important;
  box-shadow: 0 4px 20px rgba(34, 168, 224, 0.4);
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .nav-links { gap: 1rem; }
  .nav-links a:not(.nav-cta) { display: none; }
}

.bg-pattern {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-soft) 0%, transparent 50%),
    linear-gradient(rgba(34, 168, 224, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 168, 224, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 56px 56px, 56px 56px;
  pointer-events: none;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
  flex: 1;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9375rem 1.75rem;
  background: linear-gradient(135deg, var(--accent) 0%, #1a8fc4 100%);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(34, 168, 224, 0.35);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), filter 0.2s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(34, 168, 224, 0.45);
  filter: brightness(1.05);
}

.page-header {
  padding: 4rem 0 2.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2.75rem;
}

.page-header .breadcrumb {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.page-header .breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.page-header .breadcrumb a:hover {
  color: var(--accent);
}

.page-title {
  font-size: clamp(1.625rem, 3.2vw, 2.125rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.cta-block {
  text-align: center;
  padding: 4rem 2.5rem;
  background: linear-gradient(180deg, var(--bg-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 2rem;
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.cta-block h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}

.cta-block p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.75rem;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.cta-block .btn-primary {
  font-size: 1rem;
  padding: 0.9375rem 2rem;
}

/* Formularz kontaktowy */
.contact-form {
  max-width: 560px;
  margin-bottom: 3rem;
  padding: 2.25rem;
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(22, 29, 38, 0.97) 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.02) inset;
}

.contact-form-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.form-row {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-label .required {
  color: var(--accent);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--border-light);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.form-input.error,
.form-textarea.error {
  border-color: #e5484d;
  box-shadow: 0 0 0 2px rgba(229, 72, 77, 0.2);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  font-size: 0.9375rem;
  margin-bottom: 1rem;
  min-height: 1.4em;
}

.form-message.success {
  color: #3fb950;
}

.form-message.error {
  color: #e5484d;
}

.form-submit {
  cursor: pointer;
  border: none;
}

.form-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.content {
  padding-bottom: 4rem;
  max-width: 720px;
}

.content p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

.content ul {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.content ul li {
  margin-bottom: 0.5rem;
}

footer {
  border-top: 1px solid var(--border);
  padding: 2.25rem 1.5rem;
  margin-top: auto;
  background: var(--bg-elevated);
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-brand {
  font-family: 'DM Sans Mono', monospace;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.footer-brand span { color: var(--accent); }

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}