/* ======================================================================
   Variables
   ====================================================================== */
:root {
  /* Colors */
  --color-background: #f5f8fc;
  --color-surface: #ffffff;
  --color-text: #1a2533;
  --color-text-muted: #5c6b80;

  --color-primary: #1f6feb;
  --color-primary-soft: #e4efff;
  --color-primary-dark: #1552b1;

  --color-success: #18a34a;
  --color-warning: #f5b000;
  --color-danger: #e02424;

  --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-heading: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont,
    Roboto, "Helvetica Neue", Arial, sans-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-snug: 1.35;
  --line-height-normal: 1.6;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.18);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 240ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
}

/* ======================================================================
   Reset / Normalize
   ====================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

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

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

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

/* ======================================================================
   Base Styles
   ====================================================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background: radial-gradient(circle at top left, #e5f0ff 0, #f5f8fc 38%, #f5f8fc 100%);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
}

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

h1 {
  font-size: clamp(2.25rem, 3vw, 3rem);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.75rem, 2.4vw, 2.25rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.4rem, 2vw, 1.75rem);
  margin-bottom: var(--space-2);
}

h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-2);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

strong {
  font-weight: 600;
}

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

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

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

hr {
  border: 0;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-6) 0;
}

/* ======================================================================
   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;
  }
}

/* ======================================================================
   Utilities
   ====================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  box-sizing: border-box;
}

.section {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  box-sizing: border-box;
}

.section--light {
  background-color: var(--color-surface);
}

.section--muted {
  background-color: var(--gray-50);
}

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

.inline-flex {
  display: inline-flex;
}

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

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

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

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

.gap-sm {
  gap: var(--space-3);
}

.gap-md {
  gap: var(--space-4);
}

.gap-lg {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  width: 100%;
  box-sizing: border-box;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
  
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

/* Spacing utilities (selected, extend as needed) */
.mt-0 { margin-top: 0 !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }

.py-6 {
  padding-top: var(--space-6) !important;
  padding-bottom: var(--space-6) !important;
}

.p-4 {
  padding: var(--space-4) !important;
}

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

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

@media (max-width: 640px) {
  .text-center-sm {
    text-align: center;
  }
}

/* Screen-reader only */
.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;
}

/* ======================================================================
   Components
   ====================================================================== */
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    border-color var(--transition-base);
}

.btn--primary {
  background: linear-gradient(135deg, #1f6feb, #2f87ff);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #1552b1, #2563eb);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary-soft);
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.9), rgba(240, 244, 255, 0.9));
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
  box-shadow: var(--shadow-sm);
}

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

.btn:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.65);
}

/* Inputs & Forms */
.input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.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 rgba(31, 111, 235, 0.3);
}

.input--invalid {
  border-color: var(--color-danger);
}

.label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

.form-helper-text {
  margin-top: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

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

/* Card */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 232, 240, 0.9);
}

.card--muted {
  background: linear-gradient(145deg, #ffffff, #f4f7fc);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

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

.card-footer {
  margin-top: var(--space-4);
}

/* Tag / Badge for status (e.g. "Ekspres", "Polecane") */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.badge--success {
  background-color: rgba(24, 163, 74, 0.08);
  color: var(--color-success);
}

/* Testimonial styling helper */
.testimonial-quote {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-snug);
  color: var(--color-text);
}

.testimonial-meta {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

/* Hero headline helper for courier theme */
.hero-kicker {
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-2);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  max-width: 40rem;
}

/* Navigation helpers */
.navbar-blur {
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.6));
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #e5edf9;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  transition:
    background-color var(--transition-base),
    color var(--transition-base);
}

.nav-link:hover {
  background-color: rgba(148, 163, 184, 0.2);
  color: #ffffff;
}

.nav-link--current {
  background-color: rgba(37, 99, 235, 0.18);
  color: #ffffff;
}

/* Booking / CTA panel helper */
.booking-panel {
  background: linear-gradient(135deg, #0b1729, #153766);
  color: #e5edf9;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
}

.booking-panel h2,
.booking-panel h3 {
  color: #ffffff;
}

.booking-panel .label {
  color: #e5edf9;
}

.booking-panel .input,
.booking-panel textarea,
.booking-panel select {
  background-color: rgba(15, 23, 42, 0.92);
  border-color: rgba(148, 163, 184, 0.4);
  color: #f9fafb;
}

.booking-panel .input::placeholder,
.booking-panel textarea::placeholder {
  color: rgba(148, 163, 184, 0.8);
}

.booking-panel .input:focus-visible,
.booking-panel textarea:focus-visible,
.booking-panel select:focus-visible {
  border-color: #60a5fa;
  box-shadow: 0 0 0 1px rgba(96, 165, 250, 0.55);
}