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

:root {
  /* Colors */
  --color-background: #0f1012;
  --color-surface: #15171a;
  --color-surface-elevated: #1d2024;
  --color-body: #f5f5f6;
  --color-heading: #ffffff;
  --color-muted: #9a9ea6;

  --color-primary: #d0b070; /* muted, slightly metallic gold */
  --color-primary-soft: rgba(208, 176, 112, 0.16);
  --color-success: #56b68b;
  --color-warning: #e5b25d;
  --color-danger: #e35a5a;

  --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",
    "Helvetica Neue", Arial, sans-serif;
  --font-display: "Playfair Display", "Fraunces", "Cormorant Garamond",
    Georgia, "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 2rem;     /* 32px */
  --font-size-4xl: 2.5rem;   /* 40px */
  --font-size-5xl: 3.25rem;  /* 52px */

  --line-height-tight: 1.1;
  --line-height-snug: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;
  --space-40: 40px;
  --space-48: 48px;
  --space-56: 56px;
  --space-64: 64px;
  --space-80: 80px;
  --space-96: 96px;

  /* Radius */
  --radius-none: 0;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  /* Shadows (soft, understated) */
  --shadow-xs: 0 6px 16px rgba(0, 0, 0, 0.25);
  --shadow-sm: 0 14px 40px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 20px 60px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --container-gutter: 24px;

  /* Other */
  --focus-ring-color: rgba(208, 176, 112, 0.7);
  --focus-ring-offset: 2px;
  --focus-ring-width: 1px;
}

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

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

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

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe {
  max-width: 100%;
  height: auto;
}

img,
svg,
video {
  display: block;
}

button,
input,
textarea,
select {
  margin: 0;
  font: inherit;
  color: inherit;
}

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

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
}

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

/* Remove tap highlight on mobile */

button,
input,
textarea,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

/* ========================================================================
   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-body);
}

main {
  min-height: 100vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  color: var(--color-heading);
  font-weight: 500;
  letter-spacing: 0.02em;
}

h1 {
  font-size: var(--font-size-5xl);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-24);
}

h2 {
  font-size: var(--font-size-3xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-20);
}

h3 {
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-16);
}

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

h5 {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
  margin-bottom: var(--space-8);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  line-height: var(--line-height-normal);
  color: var(--color-muted);
  margin-bottom: var(--space-8);
}

p {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-body);
}

p + p {
  margin-top: var(--space-12);
}

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

a {
  color: inherit;
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base),
    opacity var(--transition-base);
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), #f1e0b4);
  transition: width var(--transition-base);
  opacity: 0.85;
}

a:hover::after,
a:focus-visible::after {
  width: 100%;
}

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

strong {
  font-weight: 600;
}

hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: var(--space-32) 0;
}

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

:focus-visible {
  outline: none;
  box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color);
}

.focus-ring {
  outline: none;
  box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

/* Layout helpers */

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

.section {
  padding-top: var(--space-80);
  padding-bottom: var(--space-80);
}

.section--tight {
  padding-top: var(--space-48);
  padding-bottom: var(--space-48);
}

/* Flex */

.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 {
  flex-direction: column;
}

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

/* Grid */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-32);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-32);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (limited, for layout tweaks) */

.mt-0 { margin-top: 0 !important; }
.mt-24 { margin-top: var(--space-24) !important; }
.mt-32 { margin-top: var(--space-32) !important; }
.mt-40 { margin-top: var(--space-40) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-16 { margin-bottom: var(--space-16) !important; }
.mb-24 { margin-bottom: var(--space-24) !important; }
.mb-32 { margin-bottom: var(--space-32) !important; }

.pt-40 { padding-top: var(--space-40) !important; }
.pb-40 { padding-bottom: var(--space-40) !important; }

.text-center { text-align: center !important; }
.text-right { text-align: right !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: 0;
}

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Surface / background helpers */

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

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

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

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(208, 176, 112, 0.4);
  background: radial-gradient(circle at 10% 0%, rgba(255, 255, 255, 0.03), transparent 55%),
    linear-gradient(135deg, rgba(208, 176, 112, 0.2), rgba(208, 176, 112, 0));
  color: var(--color-heading);
  font-size: var(--font-size-sm);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--transition-slow),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
}

.button--primary {
  background:
    linear-gradient(135deg, #f1e0b4, var(--color-primary));
  color: #151515;
  border-color: rgba(255, 255, 255, 0.1);
}

.button--ghost {
  background: transparent;
  border-color: rgba(208, 176, 112, 0.4);
}

.button--subtle {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.04);
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
  border-color: rgba(208, 176, 112, 0.8);
}

.button--primary:hover:not(:disabled) {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.button:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: none;
}

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

.button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 1px #000, 0 0 0 3px var(--focus-ring-color);
}

/* Inputs */

.input,
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background-color: rgba(10, 10, 11, 0.85);
  color: var(--color-body);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

.input::placeholder,
textarea::placeholder {
  color: rgba(154, 158, 166, 0.9);
}

.input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: none;
  border-color: rgba(208, 176, 112, 0.8);
  box-shadow: 0 0 0 1px rgba(208, 176, 112, 0.6);
  background-color: rgba(10, 10, 11, 1);
}

.input[disabled],
textarea[disabled],
select[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
}

label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-muted);
}

/* Card */

.card {
  position: relative;
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
    radial-gradient(circle at top left, rgba(208, 176, 112, 0.14), transparent 55%),
    #131417;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(255, 255, 255, 0.06), transparent 45%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.card:hover::before {
  opacity: 1;
}

.card-header {
  margin-bottom: var(--space-20);
}

.card-title {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-snug);
  margin-bottom: var(--space-8);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-muted);
}

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

.card-footer {
  margin-top: var(--space-24);
  font-size: var(--font-size-sm);
  color: var(--color-muted);
}

/* Tag / meta chips */

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background-color: rgba(0, 0, 0, 0.42);
  color: var(--color-muted);
  font-size: var(--font-size-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Hero accent line (under headings) */

.heading-accent {
  position: relative;
  padding-bottom: 14px;
}

.heading-accent::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

/* ----------------------------------------------------------------------
   End of base.css
   -------------------------------------------------------------------- */