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

:root {
  /* Colors */
  --color-bg: #0b1220; /* deep navy background for header/accents */
  --color-surface: #ffffff; /* primary surface */
  --color-surface-alt: #f4f5f7; /* subtle gray surface */
  --color-text: #12141a; /* main text */
  --color-text-muted: #6b7280; /* muted text */
  --color-primary: #ff5a5f; /* bright coral */
  --color-primary-soft: rgba(255, 90, 95, 0.12);
  --color-success: #22c55e; /* subtle green accent */
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-border-subtle: #e5e7eb;
  --color-border-strong: #111827;
  --color-nav-bg: #090e1a;

  /* Neutral grays */
  --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, 'SF Pro Text', 'Segoe UI', Roboto, sans-serif;
  --font-display: 'SF Pro Display', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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 */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* 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-xs: 0.1875rem; /* 3px */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-full: 999px;

  /* Shadows (subtle, modern) */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);

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

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: var(--space-4);
}

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

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

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

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

body {
  min-height: 100vh;
}

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

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

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

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

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

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--gray-50);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

/* Headings: scalable, for curated fashion feel */

h1,
.h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 3vw, 3rem);
  line-height: var(--line-height-tight);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2,
.h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.4vw, 2.25rem);
  line-height: var(--line-height-snug);
  font-weight: 650;
  letter-spacing: -0.02em;
}

h3,
.h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 1.8vw, 1.75rem);
  line-height: var(--line-height-snug);
  font-weight: 600;
  letter-spacing: -0.015em;
}

h4,
.h4 {
  font-size: 1.25rem;
  line-height: var(--line-height-snug);
  font-weight: 600;
}

h5,
.h5 {
  font-size: 1.125rem;
  line-height: var(--line-height-normal);
  font-weight: 600;
}

h6,
.h6 {
  font-size: 1rem;
  line-height: var(--line-height-normal);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  margin-bottom: var(--space-3);
  color: var(--gray-900);
}

p {
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

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

strong {
  font-weight: 600;
}

/* Links */

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-normal),
              opacity var(--transition-fast),
              text-decoration-color var(--transition-normal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: #ff3036;
  text-decoration: underline;
}

a:active {
  opacity: 0.85;
}

/* Lists */

ul,
ol {
  padding-left: 1.25rem;
  margin-bottom: var(--space-3);
}

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

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

:focus {
  outline: none;
}

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

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

/* Layout: container */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

/* 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;
}

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

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

.gap-2 {
  gap: var(--space-2);
}

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

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

/* Grid helpers */

.grid {
  display: grid;
}

.grid-auto-fit-min-200 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}

/* Visually hidden (screen reader only) */

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

/* Spacing utilities (common) */

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-6 { margin-bottom: var(--space-6); }
.pt-4 { padding-top: var(--space-4); }
.pb-4 { padding-bottom: var(--space-4); }
.pt-6 { padding-top: var(--space-6); }
.pb-6 { padding-bottom: var(--space-6); }

/* Text utilities */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-primary); }

/* Background utilities for promotional / deal sections */

.bg-surface { background-color: var(--color-surface); }
.bg-surface-alt { background-color: var(--color-surface-alt); }
.bg-primary-soft { background-color: var(--color-primary-soft); }
.bg-deep { background-color: var(--color-bg); color: #f9fafb; }

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

/* Buttons - primary CTA for deals, secondary for filters/nav */

.btn {
  --btn-bg: var(--color-primary);
  --btn-color: #ffffff;
  --btn-border: transparent;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--btn-border);
  background-color: var(--btn-bg);
  color: var(--btn-color)!important;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  transition: background-color var(--transition-normal),
              color var(--transition-normal),
              box-shadow var(--transition-fast),
              transform var(--transition-fast),
              border-color var(--transition-normal),
              opacity var(--transition-fast);
}

.btn:hover {
  background-color: #ff3036;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn:disabled,
.btn[aria-disabled='true'] {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-secondary {
  --btn-bg: #ffffff;
  --btn-color: var(--gray-900);
  --btn-border: var(--gray-200);
}

.btn-ghost {
  --btn-bg: transparent;
  --btn-color: var(--gray-900);
  --btn-border: transparent;
  padding-inline: 0.75rem;
}

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
  box-shadow: none;
}

.btn-pill {
  border-radius: var(--radius-full);
}

/* Form controls */

.input,
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-fast),
              background-color var(--transition-normal);
}

.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);
  color: var(--gray-400);
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: 0.25rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

/* Card: for product tiles, coupons, offers */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.04);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal),
              border-color var(--transition-normal),
              background-color var(--transition-normal);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 90, 95, 0.28);
}

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.25rem;
}

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

.card-body {
  flex: 1 1 auto;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

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

/* Tag / badge - for discounts, time-limited labels */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge-success {
  background-color: rgba(34, 197, 94, 0.12);
  color: var(--color-success);
}

.badge-warning {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--color-warning);
}

/* Promo band (for limited-time offers) */

.promo-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.6rem 0.9rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-bg), #121829);
  color: #f9fafb;
  box-shadow: var(--shadow-sm);
}

.promo-band strong {
  font-weight: 600;
}

/* Navigation hint (for sticky, sleek nav bars) */

.nav-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(9, 10, 20, 0.93), rgba(9, 10, 20, 0.88));
  color: #f9fafb;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.nav-bar .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 0.75rem;
}

.nav-link {
  font-size: var(--font-size-sm);
  color: rgba(226, 232, 240, 0.9);
  padding: 0.25rem 0.1rem;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-normal), border-color var(--transition-normal);
}

.nav-link:hover,
.nav-link[aria-current='page'] {
  color: #ffffff;
  border-color: var(--color-primary);
}

/* Imagery wrappers - for sleek product banners */

.media-cover {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--gray-100);
}

.media-cover img,
.media-cover picture,
.media-cover video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease-out;
}

.media-cover:hover img,
.media-cover:hover picture,
.media-cover:hover video {
  transform: scale(1.03);
}

/* Coupon code snippet */

.coupon-code {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px dashed rgba(15, 23, 42, 0.25);
  background-color: rgba(248, 250, 252, 0.9);
  font-family: 'SF Mono', ui-monospace, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.coupon-code-label {
  font-weight: 600;
  color: var(--gray-500);
}

/* Status chips for deal states (Polish labels like "Nowość", "Ostatnie sztuki") */

.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.16rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 500;
  background-color: var(--gray-100);
  color: var(--gray-700);
}

.chip-outline {
  background-color: transparent;
  border: 1px solid var(--gray-200);
}

.chip-success {
  background-color: rgba(34, 197, 94, 0.08);
  color: var(--color-success);
}

.chip-danger {
  background-color: rgba(239, 68, 68, 0.08);
  color: var(--color-danger);
}

/* Footer minimal styling hint */

.site-footer {
  border-top: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  padding-block: var(--space-6);
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover {
  color: var(--color-primary);
}