/*
======================================================================
  Heren Mode Hub - Base Styles (base.css)
  Sleek, modern, sophisticated, urban, minimalist, monochrome
======================================================================
*/

/*
======================================================================
  1. CSS Variables (Design Tokens)
======================================================================
*/

:root {
  /* Color Palette - Monochrome + Accents */
  --color-background: #05070a;            /* Deep near-black navy */
  --color-surface: #0f1115;               /* Slightly lighter surface */
  --color-surface-alt: #151820;           /* Alt surface for cards/sections */
  --color-text: #f7f7f7;                  /* Primary text (high contrast) */
  --color-text-muted: #a4a9b3;            /* Muted/secondary text */
  --color-border-subtle: #252a33;         /* Subtle borders/dividers */

  --color-primary: #1e6fff;               /* Accent blue for CTAs */
  --color-primary-soft: rgba(30, 111, 255, 0.12);
  --color-primary-strong: #0f4fd1;

  --color-success: #27ae60;
  --color-warning: #f2c94c;
  --color-danger:  #e63946;

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

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 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: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-full: 999px;

  /* Shadows - subtle, modern */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-sm: 0 6px 16px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 14px 40px rgba(0, 0, 0, 0.5);
  --shadow-soft-border: 0 0 0 1px rgba(255, 255, 255, 0.02);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: 1.25rem;
}


/*
======================================================================
  2. Reset / Normalize
======================================================================
*/

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

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

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

ul,
ol {
  padding: 0;
}

body {
  min-height: 100vh;
}

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

img {
  height: auto;
}

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

button,
input,
select,
textarea {
  margin: 0;
  font: inherit;
  color: inherit;
  background: none;
  border-radius: 0;
}

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

input,
textarea,
select {
  outline: none;
}

textarea {
  resize: vertical;
}

:focus {
  outline: none;
}

/* Remove tap highlight on mobile for a cleaner feel */
body {
  -webkit-tap-highlight-color: transparent;
}


/*
======================================================================
  3. Base Styles
======================================================================
*/

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  min-height: 60vh;
}

/* Headings - clean hierarchy, tight for fashion visuals */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--line-height-tight);
  letter-spacing: 0.02em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2.5rem, 3vw, 3rem);
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(2rem, 2.4vw, 2.5rem);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: clamp(1.5rem, 2vw, 2rem);
  margin-bottom: var(--space-3);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-3);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-2);
}

h6 {
  font-size: var(--font-size-md);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
}

p {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-3);
  /* Comfortable line length for product copy */
}

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

strong {
  font-weight: 600;
}

/* Links - understated by default; suitable for product cards */

a {
  transition: color var(--transition-normal),
    opacity var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

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

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

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-8) 0;
}

code,
pre {
  font-family: var(--font-mono);
}


/*
======================================================================
  4. 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;
  }
}


/*
======================================================================
  5. Layout Utilities
======================================================================
*/

/* Container */

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

.section {
  padding-block: var(--space-12);
}

.section--tight {
  padding-block: var(--space-8);
}

/* Flex utilities */

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

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

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

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

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

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

/* Grid utilities - perfect for product listings */

.grid {
  display: grid;
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
}

/* Spacing utilities (margin/padding) */

.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: var(--space-2) !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-2 { margin-bottom: var(--space-2) !important; }
.mb-3 { margin-bottom: var(--space-3) !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

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

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

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

/* Text utilities */

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-muted { color: var(--color-text-muted) !important; }

.uppercase { text-transform: uppercase !important; }

/* 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-width: 0;
}


/*
======================================================================
  6. Basic Components
======================================================================
*/

/* Buttons - minimalist, high contrast, with subtle transitions */

.button,
button[type="button"],
button[type="submit"],
button[type="reset"],
input[type="submit"],
input[type="button"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-5);
  padding-block: calc(var(--space-2) + 2px);
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  transition:
    background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
  box-shadow: var(--shadow-xs);
  white-space: nowrap;
}

.button:hover,
button[type="button"]:hover,
button[type="submit"]:hover,
button[type="reset"]:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
  background-color: var(--color-primary-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.button:active,
button[type="button"]:active,
button[type="submit"]:active,
button[type="reset"]:active,
input[type="submit"]:active,
input[type="button"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.button:disabled,
button[disabled],
input[type="submit"][disabled],
input[type="button"][disabled] {
  cursor: not-allowed;
  opacity: 0.5;
  box-shadow: none;
}

.button--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-subtle);
  box-shadow: none;
}

.button--ghost:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.12);
}

.button--secondary {
  background-color: #ffffff;
  color: #000000;
}

.button--secondary:hover {
  background-color: #e5e5e5;
}

.button:focus-visible,
button:focus-visible,
input[type="submit"]:focus-visible,
input[type="button"]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Form Inputs - for filters, search, size selectors */

.input,
select,
textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="number"] {
  width: 100%;
  padding-inline: var(--space-3);
  padding-block: calc(var(--space-2) + 2px);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  color: var(--color-text);
  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,
input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

.input:focus,
select:focus,
textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
  background-color: #101218;
}

input[disabled],
select[disabled],
textarea[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Cards - for product tiles, highlights, content blocks */

.card {
  position: relative;
  background-color: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm), var(--shadow-soft-border);
  border: 1px solid rgba(255, 255, 255, 0.02);
  transition:
    transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.card--tight {
  padding: var(--space-3);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.04);
}

.card__media {
  border-radius: calc(var(--radius-lg) - 4px);
  overflow: hidden;
  margin-bottom: var(--space-3);
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

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

.card__meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
}


/*
======================================================================
  7. Image & Media Helpers
======================================================================
*/

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.aspect-ratio-4-5 {
  position: relative;
  width: 100%;
  padding-bottom: 125%; /* 4:5 fashion product imagery */
}

.aspect-ratio-4-5 > * {
  position: absolute;
  inset: 0;
}


/*
======================================================================
  8. Misc Helpers for E-commerce UI
======================================================================
*/

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-2);
  padding-block: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

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

.price {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.price--old {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.tagline {
  font-size: var(--font-size-sm);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}