/* 
  ========================================
  1. VARIABLES
  Theme: Sophisticated, Masculine, Minimalist
  Palette: Deep Blue, Graphite, Sand
  ========================================
*/
:root {
  /* Colors */
  --clr-primary: #0F172A; /* Deep Navy/Midnight */
  --clr-primary-hover: #1E293B;
  --clr-secondary: #D4C4A8; /* Sand/Beige */
  --clr-secondary-hover: #C2B092;
  
  --clr-text-main: #1F1F1F; /* Graphite */
  --clr-text-muted: #64748B;
  --clr-text-inverse: #FFFFFF;
  
  --clr-bg-body: #FFFFFF;
  --clr-bg-surface: #F8F9FA;
  --clr-bg-surface-alt: #EFEFEF;
  
  --clr-border: #E2E8F0;
  
  --clr-success: #2E5C46;
  --clr-warning: #B45309;
  --clr-danger: #991B1B;

  /* Typography - Editorial & Sleek */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif; /* For editorial headings */
  
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 2rem;
  --fs-4xl: 2.5rem;
  --fs-5xl: 3.25rem;

  --lh-tight: 1.1;
  --lh-snug: 1.3;
  --lh-base: 1.6;

  /* Spacing Scale */
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-24: 6rem;    /* 96px */

  /* UI Elements */
  --radius-xs: 2px; /* Sharp, masculine feel */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-round: 9999px;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* 
  ========================================
  2. RESET / NORMALIZE
  ========================================
*/
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

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

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

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

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

/* 
  ========================================
  3. BASE STYLES
  ========================================
*/
body {
  font-family: var(--font-sans);
  background-color: var(--clr-bg-body);
  color: var(--clr-text-main);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--clr-primary);
  line-height: var(--lh-tight);
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--fs-4xl); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-3xl); letter-spacing: -0.01em; }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }

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

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

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

/* 
  ========================================
  4. UTILITIES
  ========================================
*/
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.flex {
  display: flex;
}

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

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

.justify-between {
  justify-content: space-between;
}

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

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

.uppercase {
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 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;
}

/* 
  ========================================
  5. BASIC COMPONENTS
  ========================================
*/

/* Buttons: Sharp, Premium, Solid */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-xs);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-primary {
  background-color: var(--clr-primary);
  color: var(--clr-text-inverse)!important;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--clr-primary-hover);
  transform: translateY(-1px);
}

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

.btn-outline:hover:not(:disabled) {
  background-color: var(--clr-primary);
  color: var(--clr-text-inverse);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Inputs: Clean lines, minimal */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-base);
  color: var(--clr-text-main);
  background-color: var(--clr-bg-body);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xs);
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 1px var(--clr-primary);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--clr-text-main);
}

/* Cards: Editorial style, image heavy */
.card {
  background-color: var(--clr-bg-body);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xs);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3/4; /* Vertical aspect for fashion */
}

.card-body {
  padding: var(--space-4);
}

/* 
  ========================================
  6. ACCESSIBILITY
  ========================================
*/
:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 2px;
}

@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;
  }
}