@tailwind base;
@tailwind components;
@tailwind utilities;

/* ============================================================
   DESIGN TOKEN SYSTEM
   All tokens here. Child themes override in site.css.
   ============================================================ */

:root {
  /* ── Brand Colors ────────────────────────────────────────── */
  --color-primary:           #E62020;
  --color-primary-dark:      #B8001A;
  --color-primary-light:     #FFD6D6;
  --color-secondary:         #FF3D57;
  --color-secondary-dark:    #C4001D;
  --color-accent:            #FFD60A;
  --color-accent-dark:       #B89900;

  /* ── Neutrals ────────────────────────────────────────────── */
  --color-bg:                #FFFFFF;
  --color-bg-alt:            #F5F7FA;
  --color-bg-dark:           #0A0A0F;
  --color-surface:           #FFFFFF;
  --color-surface-alt:       #F0F2F5;
  --color-border:            #E2E6EF;
  --color-border-dark:       #CDD3DF;

  /* ── Text ────────────────────────────────────────────────── */
  --color-text:              #1A1A2E;
  --color-text-muted:        #6B7494;
  --color-text-subtle:       #9BA3BF;
  --color-text-inverse:      #FFFFFF;
  --color-heading:           #0D0D1A;

  /* ── Semantic ────────────────────────────────────────────── */
  --color-success:           #00B37A;
  --color-warning:           #F59E0B;
  --color-error:             #EF4444;
  --color-info:              #3B82F6;

  /* ── Typography ──────────────────────────────────────────── */
  --font-heading:            'Playfair Display', Georgia, serif;
  --font-body:               'DM Sans', 'Helvetica Neue', sans-serif;
  --font-mono:               'JetBrains Mono', monospace;

  /* ── Fluid Type Scale ────────────────────────────────────── */
  --text-xs:    clamp(0.70rem,  0.65rem + 0.25vw, 0.75rem);
  --text-sm:    clamp(0.85rem,  0.80rem + 0.25vw, 0.875rem);
  --text-base:  clamp(1rem,     0.95rem + 0.25vw, 1.0625rem);
  --text-md:    clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-lg:    clamp(1.25rem,  1.10rem + 0.75vw, 1.5rem);
  --text-xl:    clamp(1.5rem,   1.25rem + 1.25vw, 2rem);
  --text-2xl:   clamp(1.875rem, 1.50rem + 1.875vw, 2.625rem);
  --text-3xl:   clamp(2.25rem,  1.75rem + 2.5vw,  3.375rem);
  --text-4xl:   clamp(2.75rem,  2.00rem + 3.75vw, 4.5rem);
  --text-hero:  clamp(3.25rem,  2.25rem + 5vw,    6rem);

  /* ── Font Weights ────────────────────────────────────────── */
  --weight-light:            300;
  --weight-regular:          400;
  --weight-medium:           500;
  --weight-semibold:         600;
  --weight-bold:             700;
  --weight-black:            900;

  /* ── Line Heights ────────────────────────────────────────── */
  --leading-tight:           1.1;
  --leading-snug:            1.3;
  --leading-normal:          1.6;
  --leading-relaxed:         1.75;

  /* ── Letter Spacing ──────────────────────────────────────── */
  --tracking-tight:          -0.03em;
  --tracking-normal:         0em;
  --tracking-wide:           0.06em;
  --tracking-wider:          0.12em;
  --tracking-widest:         0.18em;

  /* ── Spacing Scale ───────────────────────────────────────── */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* ── Section Padding ─────────────────────────────────────── */
  --section-y:    clamp(4rem, 3rem + 5vw, 8rem);
  --section-x:    clamp(1.5rem, 1rem + 3vw, 3rem);

  /* ── Layout ──────────────────────────────────────────────── */
  --container-sm:            640px;
  --container-md:            768px;
  --container-lg:            1024px;
  --container-xl:            1280px;
  --container-2xl:           1440px;
  --container-width:         var(--container-xl);
  --header-height:           72px;
  --header-height-compact:   60px;

  /* ── Breakpoints (for reference — use in media queries) ──── */
  --breakpoint-sm:           640px;
  --breakpoint-md:           768px;
  --breakpoint-lg:           1024px;
  --breakpoint-xl:           1280px;
  --breakpoint-2xl:          1440px;

  /* ── Grid ────────────────────────────────────────────────── */
  --grid-gap:    clamp(1rem, 0.75rem + 1.25vw, 1.5rem);
  --grid-gap-lg: clamp(1.5rem, 1rem + 2.5vw, 2.5rem);

  /* ── Border Radius ───────────────────────────────────────── */
  --radius-xs:               2px;
  --radius-sm:               4px;
  --radius-md:               8px;
  --radius-lg:               16px;
  --radius-xl:               24px;
  --radius-2xl:              32px;
  --radius-full:             9999px;
  --radius-card:             var(--radius-lg);
  --radius-btn:              var(--radius-md);

  /* ── Shadows ─────────────────────────────────────────────── */
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:   0 2px 8px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 8px 24px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg:   0 20px 48px rgba(0,0,0,0.10), 0 6px 12px rgba(0,0,0,0.06);
  --shadow-xl:   0 32px 64px rgba(0,0,0,0.12), 0 12px 24px rgba(0,0,0,0.06);
  --shadow-2xl:  0 48px 96px rgba(0,0,0,0.15);
  --shadow-card: var(--shadow-md);
  --shadow-btn:  0 4px 14px rgba(230, 32, 32, 0.30);

  /* ── Transitions ─────────────────────────────────────────── */
  --ease-out:    cubic-bezier(0.0, 0.0, 0.2, 1.0);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1.0);
  --duration-fast:   150ms;
  --duration-normal: 250ms;
  --duration-slow:   400ms;
  --transition-base: all var(--duration-normal) var(--ease-out);
  --transition-fast: all var(--duration-fast) var(--ease-out);

  /* ── Z-Index ─────────────────────────────────────────────── */
  --z-below:     -1;
  --z-base:       0;
  --z-raised:     10;
  --z-dropdown:   100;
  --z-sticky:     200;
  --z-overlay:    300;
  --z-modal:      400;
  --z-toast:      500;

  /* ── Gradients ───────────────────────────────────────────── */
  --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  --gradient-hero:    linear-gradient(160deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  --gradient-dark:    linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.7) 100%);
  --gradient-overlay: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%);
}

/* ── Dark Mode ───────────────────────────────────────────────── */
[data-theme="dark"] {
  --color-bg:          #0A0A0F;
  --color-bg-alt:      #111118;
  --color-surface:     #16161F;
  --color-surface-alt: #1E1E2A;
  --color-border:      #2A2A3A;
  --color-border-dark: #35354A;
  --color-text:        #E8E8F0;
  --color-text-muted:  #9090A8;
  --color-heading:     #F0F0FF;
  --shadow-sm:         0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:         0 8px 24px rgba(0,0,0,0.4);
}

/* ── Reduced Motion ──────────────────────────────────────────── */
@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;
  }
}

/* ============================================================
   BASE STYLES
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family:      var(--font-body);
  font-size:        var(--text-base);
  line-height:      var(--leading-normal);
  color:            var(--color-text);
  background-color: var(--color-bg);
  overflow-x:       hidden;
}

img, video, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--color-primary); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

/* ── Headings ────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family:    var(--font-heading);
  font-weight:    var(--weight-bold);
  line-height:    var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color:          var(--color-heading);
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-md); }

.display-text  { font-size: var(--text-hero); font-weight: var(--weight-black); }
.eyebrow       { font-size: var(--text-xs); font-weight: var(--weight-bold); letter-spacing: var(--tracking-widest); text-transform: uppercase; color: var(--color-primary); }
.lead          { font-size: var(--text-lg); line-height: var(--leading-relaxed); color: var(--color-text-muted); }
.gradient-text { background: var(--gradient-hero); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ── Layout ──────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--section-x);
}
.container-sm  { --container-width: var(--container-sm); }
.container-md  { --container-width: var(--container-md); }
.container-lg  { --container-width: var(--container-lg); }
.section       { padding-block: var(--section-y); }
.section-sm    { padding-block: calc(var(--section-y) * 0.6); }
.section-lg    { padding-block: calc(var(--section-y) * 1.4); }
.grid          { display: grid; gap: var(--grid-gap); }
.grid-2        { grid-template-columns: repeat(2, 1fr); }
.grid-3        { grid-template-columns: repeat(3, 1fr); }
.grid-4        { grid-template-columns: repeat(4, 1fr); }
.grid-auto     { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.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; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding-inline: var(--space-6);
  font-size: var(--text-sm); font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  border-radius: var(--radius-btn);
  transition: var(--transition-base);
  text-decoration: none; white-space: nowrap; cursor: pointer;
}
.btn-primary   { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(230, 32, 32, 0.4); }
.btn-secondary { background: var(--color-secondary); color: #fff; }
.btn-secondary:hover { background: var(--color-secondary-dark); color: #fff; }
.btn-outline   { background: transparent; color: var(--color-primary); border: 2px solid var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-ghost     { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-ghost:hover { background: var(--color-bg-alt); border-color: var(--color-border-dark); color: var(--color-text); }
.btn-dark      { background: var(--color-bg-dark); color: #fff; }
.btn-sm        { height: 36px; font-size: var(--text-xs); padding-inline: var(--space-4); }
.btn-lg        { height: 54px; font-size: var(--text-base); padding-inline: var(--space-8); }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  overflow: hidden; transition: var(--transition-base);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--color-border-dark); }
.card-body   { padding: var(--space-8); }
.card-media  { position: relative; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-slow) var(--ease-out); }
.card:hover .card-media img { transform: scale(1.04); }
.card-footer { padding: var(--space-5) var(--space-8); border-top: 1px solid var(--color-border); display: flex; align-items: center; gap: var(--space-4); }

/* ── Badges ──────────────────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; padding: var(--space-1) var(--space-3); font-size: var(--text-xs); font-weight: var(--weight-semibold); letter-spacing: var(--tracking-wide); text-transform: uppercase; border-radius: var(--radius-full); }
.badge-primary   { background: var(--color-primary-light); color: var(--color-primary-dark); }
.badge-secondary { background: rgba(255,61,87,0.12); color: var(--color-secondary-dark); }
.badge-success   { background: rgba(0,179,122,0.12); color: #00714D; }
.badge-dark      { background: var(--color-bg-dark); color: #fff; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group  { display: flex; flex-direction: column; gap: var(--space-2); }
.form-label  { font-size: var(--text-sm); font-weight: var(--weight-semibold); }
.input, .textarea, .select {
  width: 100%; height: 44px;
  padding-inline: var(--space-4);
  font-size: var(--text-base); font-family: inherit;
  color: var(--color-text); background: var(--color-surface);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
  appearance: none;
}
.textarea { height: auto; padding-block: var(--space-3); resize: vertical; }
.input:focus, .textarea:focus, .select:focus {
  outline: none; border: 2px solid var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-light);
}

/* ── Navigation ──────────────────────────────────────────────── */
.nav-menu { display: flex; align-items: center; gap: var(--space-1); list-style: none; }
.nav-menu a {
  display: flex; align-items: center; height: 40px; padding-inline: var(--space-4);
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: var(--color-text); border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.nav-menu a:hover, .nav-menu .current-menu-item > a { background: var(--color-bg-alt); color: var(--color-primary); }
.nav-menu .sub-menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 220px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg);
  padding: var(--space-2); opacity: 0; visibility: hidden;
  transform: translateY(-8px); transition: var(--transition-base);
  z-index: var(--z-dropdown);
}
.menu-item-has-children { position: relative; }
.menu-item-has-children:hover .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }

/* ── Header Component ─────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--duration-normal) var(--ease-out),
              background-color var(--duration-normal) var(--ease-out),
              height var(--duration-normal) var(--ease-out);
  will-change: transform;
}
.site-header.is-hidden {
  transform: translateY(-100%);
}
.site-header.is-compact {
  height: var(--header-height-compact);
  background: rgba(255,255,255,0.98);
}
[data-theme="dark"] .site-header {
  background: rgba(10,10,15,0.95);
}
[data-theme="dark"] .site-header.is-compact {
  background: rgba(10,10,15,0.98);
}

/* ── Header Inner Layout ──────────────────────────────────────── */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

/* ── Site Branding / Logo ────────────────────────────────────── */
.site-branding { flex-shrink: 0; }
.logo-link { display: flex; align-items: center; }
.logo-img { height: 40px; width: auto; transition: height var(--duration-normal) var(--ease-out); }
.site-header.is-compact .logo-img { height: 32px; }
.logo-text {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  color: var(--color-heading);
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
  transition: font-size var(--duration-normal) var(--ease-out);
}
.site-header.is-compact .logo-text { font-size: var(--text-md); }

/* ── Header Actions (right side) ─────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ── Icon Buttons ────────────────────────────────────────────── */
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: var(--transition-fast);
}
.icon-btn:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

/* ── Theme Toggle ─────────────────────────────────────────────── */
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* ── Nav Toggle (hamburger) ──────────────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  cursor: pointer;
}
.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition-fast);
}
.nav-toggle:hover .hamburger-line { background: var(--color-primary); }

/* ── Mobile Menu ─────────────────────────────────────────────── */
.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}
.mobile-menu-overlay.is-active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 85vw);
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-out);
  display: flex;
  flex-direction: column;
}
.mobile-menu.is-active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-md);
  color: var(--color-heading);
}
.mobile-menu-close { color: var(--color-text-muted); }
.mobile-menu-close:hover { color: var(--color-heading); }

.mobile-menu-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
}

.mobile-nav-menu {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
}
.mobile-nav-menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.mobile-nav-menu a:hover,
.mobile-nav-menu .current-menu-item > a {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}

.mobile-menu-footer {
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.mobile-social-links {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}
.mobile-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.mobile-social-link:hover {
  background: var(--color-primary);
  color: white;
}

/* ── Search Modal ─────────────────────────────────────────────── */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: clamp(4rem, 10vh, 8rem);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}
.search-modal.is-active {
  opacity: 1;
  visibility: visible;
}
.search-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
}
.search-modal-content {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin-inline: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(-20px);
  transition: transform var(--duration-normal) var(--ease-out);
}
.search-modal.is-active .search-modal-content {
  transform: translateY(0);
}

.search-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 10;
}

.search-header {
  padding: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
.search-form { width: 100%; }
.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-4);
  transition: border-color var(--transition-fast);
}
.search-input-wrapper:focus-within {
  border-color: var(--color-primary);
}
.search-icon {
  flex-shrink: 0;
  color: var(--color-text-muted);
}
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: var(--text-lg);
  color: var(--color-text);
  outline: none;
  min-width: 0;
}
.search-input::placeholder { color: var(--color-text-subtle); }
.search-submit { flex-shrink: 0; height: 44px; font-size: var(--text-sm); padding-inline: var(--space-5); }

.search-body {
  padding: var(--space-6) var(--space-8) var(--space-8);
  display: grid;
  gap: var(--space-8);
}

.search-section-title {
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.search-recent-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  list-style: none;
}
.search-recent-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  text-align: left;
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}
.search-recent-item:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
}
.search-recent-item::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7494' stroke-width='2'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
  background-size: contain;
  opacity: 0.5;
}

.search-topics-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.search-topic-link {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}
.search-topic-link:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* ── Entry Content ────────────────────────────────────────────── */
.entry-content {
  max-width: 68ch; font-size: var(--text-md); line-height: var(--leading-relaxed);
}
.entry-content p          { margin-bottom: var(--space-6); }
.entry-content h2         { font-size: var(--text-2xl); margin: var(--space-12) 0 var(--space-4); }
.entry-content h3         { font-size: var(--text-xl); margin: var(--space-8) 0 var(--space-3); }
.entry-content ul, .entry-content ol { padding-left: var(--space-6); margin-bottom: var(--space-6); list-style: revert; }
.entry-content li         { margin-bottom: var(--space-2); }
.entry-content blockquote { padding: var(--space-6) var(--space-8); border-left: 4px solid var(--color-primary); background: var(--color-primary-light); border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: var(--space-8) 0; font-style: italic; }
.entry-content img        { border-radius: var(--radius-lg); margin: var(--space-8) 0; box-shadow: var(--shadow-md); }
.entry-content code       { font-family: var(--font-mono); font-size: 0.875em; padding: 0.15em 0.4em; background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.entry-content pre        { background: var(--color-bg-dark); color: #e2e8f0; padding: var(--space-6); border-radius: var(--radius-lg); overflow-x: auto; margin: var(--space-8) 0; }
.entry-content table      { width: 100%; border-collapse: collapse; margin: var(--space-8) 0; }
.entry-content th, .entry-content td { padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); text-align: left; }
.entry-content th         { background: var(--color-bg-alt); font-weight: var(--weight-semibold); }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
.animate-fadeInUp { animation: fadeInUp 0.6s var(--ease-out) both; }
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.reveal { opacity: 0; transform: translateY(20px); transition: opacity var(--duration-slow) var(--ease-out), transform var(--duration-slow) var(--ease-out); }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ── Back to top ─────────────────────────────────────────────── */
.back-to-top {
  position: fixed; bottom: var(--space-6); right: var(--space-6);
  width: 44px; height: 44px;
  background: var(--color-primary); color: white;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: var(--transition-base); cursor: pointer; z-index: var(--z-raised);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

/* ── Footer ──────────────────────────────────────────────────── */
.site-footer { background: var(--color-bg-dark); color: var(--color-text-inverse); padding-top: var(--space-20); }
.site-footer .container { position: relative; }

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-12); padding-bottom: var(--space-16); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-10); } }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: var(--space-8); } }

.footer-col { display: flex; flex-direction: column; }
.footer-heading { font-size: var(--text-sm); font-weight: var(--weight-bold); letter-spacing: var(--tracking-widest); text-transform: uppercase; color: rgba(255,255,255,0.9); margin-bottom: var(--space-5); }

.footer-about-text { font-size: var(--text-sm); color: rgba(255,255,255,0.5); line-height: var(--leading-relaxed); max-width: 280px; margin-bottom: var(--space-6); }

.footer-social { margin-top: auto; }
.footer-social-label { font-size: var(--text-xs); font-weight: var(--weight-bold); letter-spacing: var(--tracking-widest); text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: var(--space-4); }
.footer-social-icons { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.footer-social-link {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}
.footer-social-link:hover { background: var(--color-primary); color: white; transform: translateY(-2px); }

.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a { font-size: var(--text-sm); color: rgba(255,255,255,0.5); transition: var(--transition-fast); }
.footer-links a:hover { color: white; padding-left: var(--space-2); }
.footer-category-count { color: rgba(255,255,255,0.3); font-size: var(--text-xs); margin-left: var(--space-1); }

.footer-newsletter-text { font-size: var(--text-sm); color: rgba(255,255,255,0.5); line-height: var(--leading-relaxed); margin-bottom: var(--space-5); }
.footer-newsletter-form { display: flex; gap: var(--space-2); margin-bottom: var(--space-6); }
.footer-newsletter-form input {
  flex: 1; height: 40px; padding-inline: var(--space-4);
  font-size: var(--text-sm); color: var(--color-text);
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md); outline: none;
  transition: var(--transition-fast);
}
.footer-newsletter-form input::placeholder { color: rgba(255,255,255,0.3); }
.footer-newsletter-form input:focus { border-color: var(--color-primary); background: rgba(255,255,255,0.12); }
.footer-newsletter-form button {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; flex-shrink: 0;
  background: var(--color-primary); color: white;
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}
.footer-newsletter-form button:hover { background: var(--color-primary-dark); }

.footer-seo-links { display: flex; align-items: center; gap: var(--space-3); font-size: var(--text-xs); color: rgba(255,255,255,0.4); }
.footer-seo-links a { color: rgba(255,255,255,0.4); transition: var(--transition-fast); }
.footer-seo-links a:hover { color: white; }
.footer-seo-links-sep { color: rgba(255,255,255,0.2); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-block: var(--space-6); display: flex; align-items: center; justify-content: space-between; font-size: var(--text-sm); color: rgba(255,255,255,0.4); }
@media (max-width: 768px) { .footer-bottom { flex-direction: column; gap: var(--space-4); text-align: center; } }
.footer-copyright { margin: 0; }
.footer-legal-links { display: flex; gap: var(--space-6); list-style: none; }
.footer-legal-links a { color: rgba(255,255,255,0.4); font-size: var(--text-sm); transition: var(--transition-fast); }
.footer-legal-links a:hover { color: white; }

.back-to-top {
  position: fixed; bottom: var(--space-6); right: var(--space-6);
  width: 44px; height: 44px;
  background: var(--color-primary); color: white;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(16px);
  transition: var(--transition-base); cursor: pointer; z-index: var(--z-raised);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-dark); transform: translateY(-2px); }

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

/* ── Reading Progress ────────────────────────────────────────── */
.reading-progress { position: fixed; top: 0; left: 0; right: 0; height: 3px; z-index: var(--z-sticky); }
.reading-progress-bar { height: 100%; background: var(--color-primary); width: 0%; transition: width 0.1s linear; }

/* ── Cookie Banner ────────────────────────────────────────────── */
.cookie-banner {
  position: fixed; bottom: var(--space-6); left: var(--space-6); right: var(--space-6);
  max-width: 680px; background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-xl);
  padding: var(--space-6) var(--space-8); z-index: var(--z-toast);
  display: flex; align-items: center; gap: var(--space-6); flex-wrap: wrap;
  opacity: 0; visibility: hidden; transition: all 0.4s ease;
}

/* ── Category Pills ─────────────────────────────────────────────── */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.category-pill {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
}
.category-pill:hover {
  background: var(--color-primary);
  color: white;
}

/* ── Hero Section ───────────────────────────────────────────────── */
.hero-section {
  position: relative;
  padding-block: var(--section-y);
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
  opacity: 0.05;
  pointer-events: none;
}
.hero-post-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap-lg);
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.hero-post-card .card-media {
  aspect-ratio: 16 / 10;
}
.hero-post-card .card-body {
  padding: var(--space-10);
}
.hero-post-card .post-title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}
.hero-post-card .post-excerpt {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}
@media (max-width: 768px) {
  .hero-post-card {
    grid-template-columns: 1fr;
  }
  .hero-post-card .card-body {
    padding: var(--space-6);
  }
}

/* ── Post Grid ──────────────────────────────────────────────────── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--grid-gap-lg);
}
.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition-base);
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-dark);
}
.post-card .card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.post-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-out);
}
.post-card:hover .card-media img {
  transform: scale(1.05);
}
.post-card .card-body {
  padding: var(--space-6);
}
.post-card .post-title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
  color: var(--color-heading);
}
.post-card .post-title a:hover {
  color: var(--color-primary);
}
.post-card .post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.post-card .post-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}
.post-card .card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Sidebar Widget ─────────────────────────────────────────────── */
.sidebar-widget {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.sidebar-widget-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-primary);
}
.sidebar-widget ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.sidebar-widget ul li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}
.sidebar-widget ul li:last-child {
  border-bottom: none;
}
.sidebar-widget ul li a {
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: color var(--transition-fast);
}
.sidebar-widget ul li a:hover {
  color: var(--color-primary);
}

/* ── TOC Sidebar ────────────────────────────────────────────────── */
.toc-sidebar {
  position: sticky;
  top: calc(var(--header-height-compact) + var(--space-6));
  max-height: calc(100vh - var(--header-height-compact) - var(--space-12));
  overflow-y: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.toc-sidebar-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: var(--space-4);
}
.toc-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toc-sidebar nav a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition-fast);
}
.toc-sidebar nav a:hover,
.toc-sidebar nav a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ── Drop Cap ──────────────────────────────────────────────────── */
.entry-content > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: var(--weight-black);
  line-height: 0.8;
  padding-right: var(--space-3);
  padding-top: var(--space-2);
  color: var(--color-primary);
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }

  /* Desktop nav hidden on tablet, show hamburger */
  .primary-nav { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .search-modal { padding-top: var(--space-4); }
  .search-modal-content { margin-inline: var(--space-3); border-radius: var(--radius-lg); }
  .search-header { padding: var(--space-5) var(--space-5); }
  .search-body { padding: var(--space-5); }
  .search-input-wrapper { padding: var(--space-1) var(--space-3); }
  .search-input { font-size: var(--text-base); }
  .search-submit { padding-inline: var(--space-4); font-size: var(--text-xs); }
}