/* ========================================================================
   Variables
   ======================================================================== */

:root {
  /* Colors */
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-text: #1f2933;
  --color-text-muted: #6b7280;
  --color-primary: #1d4ed8; /* deep, trustworthy blue */
  --color-primary-soft: #e0e7ff;
  --color-primary-strong: #1e3a8a;
  --color-success: #16a34a;
  --color-warning: #f59e0b;
  --color-danger: #dc2626;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-serif: "Georgia", "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px converted to rem assuming 16px base) */
  --space-0: 0;
  --space-4: 0.25rem;  /* 4px */
  --space-8: 0.5rem;   /* 8px */
  --space-12: 0.75rem; /* 12px */
  --space-16: 1rem;    /* 16px */
  --space-20: 1.25rem; /* 20px */
  --space-24: 1.5rem;  /* 24px */
  --space-32: 2rem;    /* 32px */
  --space-40: 2.5rem;  /* 40px */
  --space-48: 3rem;    /* 48px */
  --space-64: 4rem;    /* 64px */
  --space-80: 5rem;    /* 80px */
  --space-96: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 220ms ease-out;
  --transition-slow: 320ms ease-out;
}

/* ========================================================================
   Reset / Normalize
   ======================================================================== */

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

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

a {
  color: inherit;
}

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

/* Remove default padding on lists nested under nav for clean menus */
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ========================================================================
   Base Styles
   ======================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2rem, 2.6vw, 2.75rem);
  margin-bottom: var(--space-24);
}

h2 {
  font-size: clamp(1.5rem, 2vw, 2.1rem);
  margin-bottom: var(--space-20);
}

h3 {
  font-size: clamp(1.25rem, 1.5vw, 1.6rem);
  margin-bottom: var(--space-16);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-12);
}

p {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

p:last-child {
  margin-bottom: 0;
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-strong);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

strong {
  font-weight: 600;
}

small {
  font-size: var(--font-size-sm);
}

/* ========================================================================
   Accessibility & Motion
   ======================================================================== */

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Screen-reader-only utility */
.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;
}

/* ========================================================================
   Utilities
   ======================================================================== */

/* Layout: container for content width on desktop, ideal for Polish users on laptops/tablets */
.container {
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--space-16);
  max-width: 1120px;
}

@media (min-width: 1280px) {
  .container {
    max-width: 1200px;
  }
}

/* Section spacing for clear, airy layout */
.section {
  padding-block: var(--space-48);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-64);
  }
}

/* Flex helpers */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-8 {
  gap: var(--space-8);
}

.gap-16 {
  gap: var(--space-16);
}

.gap-24 {
  gap: var(--space-24);
}

.gap-32 {
  gap: var(--space-32);
}

/* Grid helpers for cards, case studies, blog, etc. */
.grid {
  display: grid;
  gap: var(--space-24);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-24);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-24);
}

@media (min-width: 900px) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.text-center {
  text-align: center;
}

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

.mt-16 { margin-top: var(--space-16); }
.mt-24 { margin-top: var(--space-24); }
.mt-32 { margin-top: var(--space-32); }
.mt-40 { margin-top: var(--space-40); }

.mb-16 { margin-bottom: var(--space-16); }
.mb-24 { margin-bottom: var(--space-24); }
.mb-32 { margin-bottom: var(--space-32); }
.mb-40 { margin-bottom: var(--space-40); }

.py-16 { padding-block: var(--space-16); }
.py-24 { padding-block: var(--space-24); }
.py-32 { padding-block: var(--space-32); }

.px-16 { padding-inline: var(--space-16); }
.px-24 { padding-inline: var(--space-24); }

/* Badges / subtle labels for service types, case study tags, etc. */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  background-color: var(--gray-100);
  color: var(--gray-700);
}

.badge-primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

/* ========================================================================
   Components
   ======================================================================== */

/* Buttons: primary CTA for consultation / contact, secondary for nav etc. */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding-inline: var(--space-20);
  padding-block: 0.625rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff !important;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--color-primary-strong);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary-soft);
}

.btn-outline:hover {
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.btn-ghost {
  background-color: transparent;
  color: var(--gray-700);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: rgba(148, 163, 184, 0.12);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Form elements: for consultation request, contact, FAQ forms */

label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-800);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--gray-100);
  cursor: not-allowed;
}

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

/* Form groups for spacing between fields */
.form-group {
  margin-bottom: var(--space-16);
}

.form-helper {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card: used for services, case studies, testimonials, blog posts */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.card--hoverable {
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-base);
}

.card--hoverable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(129, 140, 248, 0.4);
}

.card-header {
  margin-bottom: var(--space-16);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
}

/* Testimonials-specific tweaks */
.testimonial {
  position: relative;
  padding-top: var(--space-20);
}

.testimonial::before {
  content: "\201C";
  position: absolute;
  top: 0;
  left: 0;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-primary-soft);
}

.testimonial-author {
  margin-top: var(--space-16);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.testimonial-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* FAQ accordion base styles (structure only, behavior handled in JS) */
.faq-item {
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  padding: var(--space-16);
}

.faq-question {
  font-weight: 600;
  cursor: pointer;
}

.faq-answer {
  margin-top: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

/* Blog meta info (date, author, category) */
.post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-12);
}

/* Hero / top-of-page sections (e.g., homepage, O nas) */
.hero {
  padding-block: var(--space-64);
}

@media (min-width: 768px) {
  .hero {
    padding-block: var(--space-80);
  }
}

.hero-heading {
  max-width: 32rem;
}

.hero-subtitle {
  margin-top: var(--space-12);
  max-width: 32rem;
  color: var(--color-text-muted);
}

.hero-actions {
  margin-top: var(--space-24);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

/* Navigation basics (for modern, clean Polish layout) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: rgba(248, 250, 252, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.25);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.75rem;
}

.site-logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

.nav-links {
  display: none;
  gap: var(--space-16);
  font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  color: var(--gray-700);
}

.nav-link--active,
.nav-link:hover {
  background-color: rgba(191, 219, 254, 0.5);
  color: var(--color-primary-strong);
}

/* Footer */
.site-footer {
  margin-top: var(--space-48);
  padding-block: var(--space-32);
  background-color: #0f172a;
  color: #e5e7eb;
}

.site-footer a {
  color: #e5e7eb;
}

.site-footer a:hover {
  color: #bfdbfe;
}

.site-footer small {
  color: #9ca3af;
}

/* Alerts: for important info about consultation packages, legal notes, etc. */
.alert {
  border-radius: var(--radius-md);
  padding: var(--space-12) var(--space-16);
  font-size: var(--font-size-sm);
  display: flex;
  gap: var(--space-8);
  align-items: flex-start;
}

.alert-info {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
}

.alert-success {
  background-color: #dcfce7;
  color: #166534;
}

.alert-warning {
  background-color: #fef3c7;
  color: #92400e;
}

.alert-danger {
  background-color: #fee2e2;
  color: #b91c1c;
}

/* Tables: for transparent pricing lists of consultation packages */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: 0.75rem 0.5rem;
  text-align: left;
}

.table thead th {
  border-bottom: 1px solid var(--gray-300);
  font-weight: 600;
  color: var(--gray-700);
}

.table tbody tr:nth-child(even) {
  background-color: var(--gray-50);
}

.table tbody tr:hover {
  background-color: var(--color-primary-soft);
}

/* Breadcrumbs for multi-page structure (O nas, Blog, FAQ, etc.) */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.breadcrumbs a {
  color: var(--color-primary);
}

.breadcrumbs-separator {
  opacity: 0.6;
}

/* End of base.css */