/* ═══════════════════════════════════════════════════════════════════════════════
   2CU ECOSYSTEM THEME — BASE STYLES
   Shared foundation for all variants (Zenith Obsidian, Mzansi Heartbeat, Ubuntu Hub)
   ═══════════════════════════════════════════════════════════════════════════════ */

:root {
  /* Spacing */
  --c2u-space-xs: 0.25rem;
  --c2u-space-sm: 0.5rem;
  --c2u-space-md: 1rem;
  --c2u-space-lg: 1.5rem;
  --c2u-space-xl: 2rem;
  --c2u-space-2xl: 3rem;
  --c2u-space-3xl: 4rem;
  
  /* Typography */
  --c2u-font-display: 'Syne', system-ui, sans-serif;
  --c2u-font-body: 'DM Sans', system-ui, sans-serif;
  --c2u-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  --c2u-text-xs: 0.72rem;
  --c2u-text-sm: 0.875rem;
  --c2u-text-base: 1rem;
  --c2u-text-lg: 1.125rem;
  --c2u-text-xl: 1.25rem;
  --c2u-text-2xl: 1.5rem;
  --c2u-text-3xl: 1.875rem;
  --c2u-text-4xl: 2.25rem;
  --c2u-text-5xl: 3rem;
  
  /* Radius */
  --c2u-radius-sm: 12px;
  --c2u-radius-md: 20px;
  --c2u-radius-lg: 28px;
  --c2u-radius-xl: 36px;
  --c2u-radius-pill: 9999px;
  
  /* Easing */
  --c2u-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --c2u-ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --c2u-transition: 0.3s var(--c2u-ease);
  --c2u-transition-slow: 0.5s var(--c2u-ease);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--c2u-font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography ──────────────────────────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--c2u-font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: var(--c2u-space-lg) 0 var(--c2u-space-md);
}

h1 { font-size: clamp(2.4rem, 7vw, 4.5rem); line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 4.5vw, 3rem);  line-height: 1.1;  }
h3 { font-size: clamp(1.3rem, 3vw, 1.9rem);   line-height: 1.2;  }
h4 { font-size: 1.15rem; font-weight: 700; }
h5 { font-size: 1rem;    font-weight: 700; }
h6 { font-size: 0.875rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }

p { line-height: 1.8; margin: 0 0 var(--c2u-space-md); }
a { text-decoration: none; transition: color var(--c2u-transition); }

strong { font-weight: 800; }
em, i { font-style: normal; }

small { font-size: var(--c2u-text-sm); }
code { font-family: var(--c2u-font-mono); font-size: 0.9em; }

/* Navigation ───────────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--c2u-transition-slow);
}

.site-header a {
  font-weight: 600;
  font-size: var(--c2u-text-sm);
  letter-spacing: 0.01em;
  padding: 0.45rem 0.85rem;
  border-radius: var(--c2u-radius-sm);
  transition: all var(--c2u-transition);
}

/* Buttons ──────────────────────────────────────────────────────────────────────── */
.wp-block-button__link,
.wp-element-button,
button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--c2u-radius-sm);
  font-family: var(--c2u-font-body);
  font-weight: 800;
  font-size: var(--c2u-text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1;
  border: none;
  cursor: pointer;
  text-decoration: none !important;
  transition: all var(--c2u-transition-slow);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

button:disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-sm { padding: 0.625rem 1.125rem; font-size: var(--c2u-text-xs); }
.btn-lg { padding: 1.25rem 2.75rem; font-size: var(--c2u-text-base); }

/* Buttons — Shine effect on hover */
.wp-block-button__link::after,
.wp-element-button::after,
.btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transform: skewX(-20deg);
}

.wp-block-button__link:hover::after,
.wp-element-button:hover::after,
.btn:hover::after {
  animation: c2u-shine 0.65s forwards;
}

@keyframes c2u-shine { to { left: 125%; } }

/* Cards ────────────────────────────────────────────────────────────────────────── */
.wp-block-column,
.card,
[class*='-card'] {
  border-radius: var(--c2u-radius-lg);
  padding: var(--c2u-space-2xl) var(--c2u-space-xl);
  transition: all var(--c2u-transition-slow);
  position: relative;
  overflow: hidden;
}

.card::before,
[class*='-card']::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  opacity: 0;
  transition: opacity var(--c2u-transition-slow);
}

.card:hover,
[class*='-card']:hover {
  transform: translateY(-6px);
}

.card:hover::before,
[class*='-card']:hover::before {
  opacity: 1;
}

/* Forms ────────────────────────────────────────────────────────────────────────── */
input[type='text'],
input[type='email'],
input[type='password'],
input[type='search'],
input[type='tel'],
input[type='url'],
textarea,
select {
  width: 100%;
  border-radius: var(--c2u-radius-md);
  padding: var(--c2u-space-md) var(--c2u-space-lg);
  font-family: var(--c2u-font-body);
  font-size: var(--c2u-text-base);
  outline: none;
  transition: all var(--c2u-transition);
  -webkit-appearance: none;
}

input::placeholder,
textarea::placeholder {
  opacity: 0.5;
}

input:focus,
textarea:focus,
select:focus {
  transform: translateY(-2px);
}

textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

/* Tables ───────────────────────────────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--c2u-radius-md);
  overflow: hidden;
  margin: var(--c2u-space-2xl) 0;
}

th {
  font-family: var(--c2u-font-display);
  font-weight: 900;
  font-size: var(--c2u-text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: var(--c2u-space-lg);
  text-align: left;
}

td {
  padding: var(--c2u-space-lg);
  font-size: var(--c2u-text-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* Content Layout ───────────────────────────────────────────────────────────────── */
.site-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--c2u-space-2xl) var(--c2u-space-xl);
}

.wp-block-group {
  margin: var(--c2u-space-2xl) 0;
}

/* Dividers ─────────────────────────────────────────────────────────────────────── */
hr,
.wp-block-separator {
  border: none;
  height: 1px;
  margin: var(--c2u-space-3xl) 0;
  opacity: 0.25;
}

/* Blockquotes ──────────────────────────────────────────────────────────────────── */
blockquote,
.wp-block-quote {
  border-left: 3px solid;
  border-radius: 0 var(--c2u-radius-md) var(--c2u-radius-md) 0;
  padding: var(--c2u-space-xl) var(--c2u-space-2xl);
  margin: var(--c2u-space-2xl) 0;
  position: relative;
}

blockquote p,
.wp-block-quote p {
  font-size: 1.1rem;
  font-style: italic;
  line-height: 1.7;
  margin: 0;
}

blockquote cite,
.wp-block-quote cite {
  font-size: var(--c2u-text-xs);
  font-weight: 700;
  font-style: normal;
  letter-spacing: 0.05em;
  display: block;
  margin-top: var(--c2u-space-md);
}

/* Lists ────────────────────────────────────────────────────────────────────────── */
ul, ol {
  margin: var(--c2u-space-lg) 0 var(--c2u-space-2xl) var(--c2u-space-2xl);
}

li {
  margin: var(--c2u-space-sm) 0;
  line-height: 1.8;
}

/* Badges ───────────────────────────────────────────────────────────────────────── */
.badge,
.tag,
[class*='-badge'],
[class*='-tag'] {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.85rem;
  border-radius: var(--c2u-radius-pill);
  font-size: var(--c2u-text-xs);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Section labels ───────────────────────────────────────────────────────────────── */
.section-label,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--c2u-text-xs);
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--c2u-space-lg);
  padding: 0.25rem 0.85rem;
  border-radius: var(--c2u-radius-pill);
}

/* Modals & Toasts ──────────────────────────────────────────────────────────────── */
[class*='modal'] {
  border-radius: var(--c2u-radius-xl);
  position: relative;
  overflow: hidden;
}

[class*='modal']::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background-size: 200% auto;
}

[class*='toast'] {
  border-radius: var(--c2u-radius-pill);
  padding: var(--c2u-space-md) var(--c2u-space-2xl);
  font-weight: 800;
  font-size: var(--c2u-text-sm);
}

/* Utilities ────────────────────────────────────────────────────────────────────── */
.glass {
  border-radius: var(--c2u-radius-xl);
}

.rounded-sm   { border-radius: var(--c2u-radius-sm); }
.rounded-md   { border-radius: var(--c2u-radius-md); }
.rounded-lg   { border-radius: var(--c2u-radius-lg); }
.rounded-xl   { border-radius: var(--c2u-radius-xl); }
.rounded-pill { border-radius: var(--c2u-radius-pill); }

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

/* Scrollbar ────────────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { }
::-webkit-scrollbar-thumb { border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { }

/* Selection ────────────────────────────────────────────────────────────────────── */
::selection { }

/* Responsive ───────────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  h1 { font-size: clamp(2rem, 10vw, 3rem); }
  h2 { font-size: clamp(1.5rem, 7vw, 2.2rem); }
  
  .site-content {
    padding: var(--c2u-space-xl) var(--c2u-space-md);
  }
  
  .wp-block-column,
  .card {
    padding: var(--c2u-space-xl) var(--c2u-space-lg);
  }
  
  button,
  .btn {
    width: 100%;
  }
}

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

@media print {
  .site-header,
  .site-footer,
  [class*='modal'],
  [class*='toast'] {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
}